CN210886153U - Nodular cast iron piston ring quenching and tempering heat treatment clamping fixture - Google Patents
Nodular cast iron piston ring quenching and tempering heat treatment clamping fixture Download PDFInfo
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- CN210886153U CN210886153U CN201920683986.5U CN201920683986U CN210886153U CN 210886153 U CN210886153 U CN 210886153U CN 201920683986 U CN201920683986 U CN 201920683986U CN 210886153 U CN210886153 U CN 210886153U
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- axle core
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Abstract
The utility model discloses a nodular cast iron piston ring quenching and tempering heat treatment clamping fixture, the axle core has been seted up along the axial and led the oil pocket, the one end of axle core is connected with the axle journal, set up more than two oil through holes that switch on with leading the oil pocket on the axle core, be connected with first clamp plate on the axle journal, the other end of axle core is provided with the second clamp plate parallel with first clamp plate, the piston ring runs through and connects on the axle core, and the piston ring parallel arrangement is between first clamp plate and second clamp plate, the axle core is close to second clamp plate one end and is provided with the locking unit that is used for restricting the second clamp plate; through set up the oil through hole on the axle core, guarantee between the quenching oil infiltration piston ring, promote the cooling of the interior circle of piston ring, remedy the not enough problem in drilling space on the piston ring clamp plate of current little cylinder diameter, when guaranteeing oil through nature between the piston ring, can also guarantee the effect of quenching and tempering heat treatment, simple structure, the clamping is convenient.
Description
Technical Field
The utility model belongs to the technical field of the internal-combustion engine piston ring is made, especially, relate to a nodular cast iron piston ring quenching and tempering heat treatment clamping anchor clamps.
Background
The piston ring has important value and significance in the production application of the internal combustion engine, and has very strict processing and production requirements on the piston ring. When the ductile iron piston ring is subjected to quenching and tempering heat treatment, in order to prevent the piston ring from deforming, the piston ring is generally clamped into a rod for integral heat treatment, but the inner circle of the rod is required to have good oil permeability after being clamped into the rod, so that cooling oil can enter the inner circle part of the rod during quenching, and the inner circle of the material can obtain a cooling speed equivalent to that of the outer circle to obtain a uniform internal structure. The conventional clamp adopts a solid mandrel to press a plate, and holes are drilled in the plate to realize oil passing. For a small bore ring, the above-mentioned conventional method cannot achieve a hole drilled in the pressure plate or an insufficient area of the hole, resulting in insufficient oil permeability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a fixture for quenching and tempering heat treatment of a nodular cast iron piston ring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a nodular cast iron piston ring quenching and tempering heat treatment clamping anchor clamps, includes axle core, first clamp plate, piston ring, second clamp plate, locking unit, the oil guide cavity has been seted up along the axial to the axle core, the one end of axle core is connected with the axle journal, set up the oil through hole that two above and oil guide cavity switched on the axle core, be connected with first clamp plate on the axle journal, the other end of axle core be provided with the parallel second clamp plate of first clamp plate, the piston ring through connection be in on the axle core, just piston ring parallel arrangement is between first clamp plate and second clamp plate, the axle core is close to second clamp plate one end is provided with and is used for the restriction the locking unit of second clamp plate.
Preferably, more than two sets of the oil through holes are arranged on the shaft core, and each set of the oil through holes is arranged in the radial direction of the shaft core in a staggered mode.
Preferably, a plurality of groups of oil through holes are arranged on the shaft core, and the number of each group of oil through holes is four.
Preferably, an installation hole is formed in one end, close to the second pressing plate, of the shaft core, and the locking unit is a wedge-shaped block corresponding to the installation hole in shape.
Preferably, the installation hole has a large aperture at one end and a small aperture at the other end, and the locking unit has a large shape at one end and a small shape at one end.
Preferably, one end of the shaft core close to the first pressure plate passes through the shaft neck to extend, one end of the shaft core close to the second pressure plate passes through the locking unit, and the locking unit is provided with a through hole corresponding to the oil guide cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up multiunit oil through hole on the axle core, lead in quenching oil by the oil guide chamber of axle core inside for quenching oil can be abundant infiltration dress between the piston ring between first clamp plate and second clamp plate, improve the cooling problem in the existing piston ring, effectively improve the quenching and tempering heat treatment effect of piston ring; the clamping fixture for quenching and tempering heat treatment of the ductile cast iron piston ring can ensure that quenching oil permeates between the piston rings in the quenching and tempering process of the piston ring, promotes the cooling of the inner circle of the piston ring, makes up the problem that the drilling space is not enough on the pressing plate of the existing clamping small-cylinder-diameter piston ring, can also ensure the effect of quenching and tempering heat treatment while ensuring the oil permeability between the piston rings, and has simple structure, convenient clamping and good practicability.
Drawings
Fig. 1 is the utility model provides a structural schematic diagram of nodular cast iron piston ring quenching and tempering heat treatment clamping anchor clamps.
In the drawings, 1: journal, 2: first presser plate, 3: shaft core, 4: oil through hole, 5: piston ring, 6: second presser plate, 7: locking unit, 8: oil guide cavity, 9: mounting hole, 10: and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in the attached figure 1, a ductile cast iron piston ring quenching and tempering heat treatment clamping fixture comprises a shaft core 3, a first pressing plate 2, a piston ring 5, a second pressing plate 6 and a locking unit 7, wherein the shaft core 3 is made of tubular heat-resistant stainless steel material, an oil guide cavity 8 is axially formed in the shaft core 3, one end of the shaft core 3 is connected with a shaft neck 1, the shaft neck 1 is made of thickened pipe material, the shaft neck 1 and the shaft core 3 are welded into a whole to increase the structural strength, more than two oil through holes 4 communicated with the oil guide cavity 8 are formed in the shaft core 3, the shaft neck 1 is connected with the first pressing plate 2, the other end of the shaft core 3 is provided with the second pressing plate 6 parallel to the first pressing plate 2, the piston ring 5 is connected to the shaft core 3 in a penetrating manner, the piston ring 5 is arranged between the first pressing plate 2 and the second pressing plate 6 in parallel, one end of the shaft core 3 close to the second pressing plate 6 is provided with the locking unit 7 for limiting the, one end of the shaft core 3 close to the first pressure plate 2 penetrates through the shaft neck 1 to extend, one end of the shaft core 3 close to the second pressure plate 6 penetrates through the locking unit 7, and a through hole 10 corresponding to the oil guide cavity 8 is formed in the locking unit 7.
The utility model discloses a set up multiunit oil through hole 4 on axle core 3, lead in quenching oil by oil guide chamber 8 inside axle core 3, make quenching oil can abundant infiltration dress clamp between the piston ring 5 between first clamp plate 2 and second clamp plate 6, improve the cooling problem in the existing piston ring 5, effectively improve the quenching and tempering heat treatment effect of piston ring 5; this kind of nodular cast iron piston ring quenching and tempering heat treatment clamping anchor clamps can guarantee between quenching oil infiltration piston ring 5 at the in-process that piston ring 5 carries out the quenching and tempering, promotes the cooling of circle in the piston ring 5, remedies the problem that the drilling space is not enough on the clamp plate of the little bore diameter piston ring 5 of current clamping, when guaranteeing to lead to oil between the piston ring 5, can also guarantee the effect of quenching and tempering heat treatment, simple structure, the clamping is convenient, has good practicality.
More than two groups of oil through holes 4 are formed in the shaft core 3, each group of oil through holes 4 are arranged in the radial direction of the shaft core 3 in an array mode, ten groups of oil through holes 4 are formed in the shaft core 3, and the number of each group of oil through holes 4 is four; through setting up multiunit oil through hole 4, guarantee to fully permeate quenching oil between the piston ring 5, further improve the cooling problem of the interior circle of piston ring 5, guarantee to lead to oily between the piston ring 5, improve the quenching and tempering heat treatment effect of piston ring 5.
A mounting hole 9 is formed in one end, close to the second pressing plate 6, of the shaft core 3, the locking unit 7 is a wedge-shaped block corresponding to the shape of the mounting hole 9, the aperture of one end of the mounting hole 9 is large, the aperture of the other end of the mounting hole is small, and the shape of one end of the locking unit 7 is large and the shape of the other end of the locking unit is small; the space of the piston ring 5 clamped between the first clamping plate and the second pressing plate 6 is limited through the locking unit 7, so that the sliced piston ring 5 is tightly clamped into a rod, quenching and tempering heat treatment procedures of quenching and high-temperature tempering are conveniently carried out, the wedge-shaped locking unit 7 with one large end and one small end can conveniently transfer the smaller end of the locking unit 7 into the mounting hole 9, and the locking unit 7 is locked to ensure that the piston ring 5 between the first pressing plate 2 and the second pressing plate 6 is tightly clamped into the rod.
During quenching and tempering heat treatment of the ductile iron piston ring 5, in order to prevent the piston ring 5 from deforming, the piston ring 5 is generally clamped into a rod for integral heat treatment, but the inner circle of the rod is required to have good oil permeability after being clamped into the rod, so that cooling oil can enter the inner circle part of the rod during quenching, and the inner circle of the material can obtain a cooling speed equivalent to that of the outer circle to obtain a uniform internal structure. The conventional clamp adopts a solid mandrel to press a plate, and holes are drilled in the plate to realize oil passing. For the small-bore ring, the conventional method cannot realize poor oil-passing performance caused by insufficient area of a drill hole or a hole on the pressure plate, and finally causes uneven quenching, so that the method better solves the problem.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a nodular cast iron piston ring quenching and tempering heat treatment clamping anchor clamps, includes axle core, first clamp plate, piston ring, second clamp plate, locking unit, its characterized in that, the axle core has been seted up along the axial and has been led the oil pocket, the one end of axle core is connected with the axle journal, set up the oil through hole that two above and lead the oil pocket to switch on the axle core, be connected with first clamp plate on the axle journal, the other end of axle core be provided with the parallel second clamp plate of first clamp plate, piston ring through connection be in on the axle core, just piston ring parallel arrangement is between first clamp plate and second clamp plate, the axle core is close to second clamp plate one end is provided with and is used for the restriction the locking unit of second clamp plate.
2. The ductile cast iron piston ring thermal refining and heat treating clamping fixture as claimed in claim 1, wherein more than two sets of the oil through holes are arranged on the shaft core, and each set of the oil through holes are arranged in the radial direction of the shaft core in an array manner.
3. The ductile cast iron piston ring thermal refining and heat treating clamping fixture as claimed in claim 2, wherein a plurality of sets of oil through holes are arranged on the shaft core, and the number of each set of oil through holes is four.
4. The ductile cast iron piston ring thermal refining treatment clamping fixture as claimed in any one of claims 1-3, wherein a mounting hole is formed at one end of the shaft core close to the second pressing plate, and the locking unit is a wedge-shaped block corresponding to the mounting hole in shape.
5. The nodular cast iron piston ring quenching and tempering heat treatment clamping fixture as claimed in claim 4, wherein the mounting hole has a large aperture at one end and a small aperture at the other end, and the locking unit has a large shape at one end and a small shape at the other end.
6. The ductile cast iron piston ring thermal refining treatment clamping fixture as claimed in claim 5, wherein one end of the shaft core close to the first pressing plate extends through the shaft neck, one end of the shaft core close to the second pressing plate passes through the locking unit, and the locking unit is provided with a through hole corresponding to the oil guide cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920683986.5U CN210886153U (en) | 2019-05-14 | 2019-05-14 | Nodular cast iron piston ring quenching and tempering heat treatment clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920683986.5U CN210886153U (en) | 2019-05-14 | 2019-05-14 | Nodular cast iron piston ring quenching and tempering heat treatment clamping fixture |
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| Publication Number | Publication Date |
|---|---|
| CN210886153U true CN210886153U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920683986.5U Active CN210886153U (en) | 2019-05-14 | 2019-05-14 | Nodular cast iron piston ring quenching and tempering heat treatment clamping fixture |
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| CN (1) | CN210886153U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996359A (en) * | 2020-08-31 | 2020-11-27 | 安庆海威尔机械有限公司 | Method for preventing deformation of piston ring during quenching |
| CN112011682A (en) * | 2020-09-28 | 2020-12-01 | 安庆海威尔机械有限公司 | Auxiliary tool for reducing deformation rate of piston ring during quenching |
| CN112011681A (en) * | 2020-09-28 | 2020-12-01 | 安庆海威尔机械有限公司 | Method for reducing deformation rate of piston ring during quenching |
-
2019
- 2019-05-14 CN CN201920683986.5U patent/CN210886153U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996359A (en) * | 2020-08-31 | 2020-11-27 | 安庆海威尔机械有限公司 | Method for preventing deformation of piston ring during quenching |
| CN112011682A (en) * | 2020-09-28 | 2020-12-01 | 安庆海威尔机械有限公司 | Auxiliary tool for reducing deformation rate of piston ring during quenching |
| CN112011681A (en) * | 2020-09-28 | 2020-12-01 | 安庆海威尔机械有限公司 | Method for reducing deformation rate of piston ring during quenching |
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