CN113832329A - Heat treatment process for engine piston ring - Google Patents
Heat treatment process for engine piston ring Download PDFInfo
- Publication number
- CN113832329A CN113832329A CN202111085922.3A CN202111085922A CN113832329A CN 113832329 A CN113832329 A CN 113832329A CN 202111085922 A CN202111085922 A CN 202111085922A CN 113832329 A CN113832329 A CN 113832329A
- Authority
- CN
- China
- Prior art keywords
- heat treatment
- piston ring
- treatment furnace
- sand
- engine
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 126
- 239000011261 inert gas Substances 0.000 claims abstract description 19
- 238000007751 thermal spraying Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000004576 sand Substances 0.000 claims description 33
- 238000004064 recycling Methods 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 17
- 239000007789 gas Substances 0.000 claims description 17
- 238000005488 sandblasting Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000010981 drying operation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000010419 fine particle Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011882 ultra-fine particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2251/00—Treating composite or clad material
- C21D2251/02—Clad material
Abstract
The invention provides a heat treatment process for a piston ring of an engine, belonging to the technical field of heat treatment processes, and the heat treatment process for the piston ring of the engine comprises the following steps of S1: removing the oxide layer; s2: cleaning; s3: thermal spraying; s4: installing the piston ring into a heat treatment furnace; s5: exhausting air; s6: heat treatment; s7: and (6) cooling. When the engine piston ring heat treatment process is used, the special fixture is hung in the heat treatment furnace by using the hanging frame, the furnace door of the heat treatment furnace is closed, the air in the heat treatment furnace is exhausted by using the vacuum pump, the inert gas is introduced into the heat treatment furnace by using the inflating mechanism, the piston ring is heated by the heat treatment furnace to be above the phase transition temperature and is kept warm for 10-20 minutes, the special fixture provided with the piston ring is taken out from the heat treatment furnace and hung on the support to be air-cooled to the room temperature, and the heat treatment process of the engine piston ring carries out heat treatment operation on the piston ring under the environment of the inert gas, namely the heat treatment quality of the piston ring is ensured.
Description
Technical Field
The invention relates to the technical field of heat treatment processes, in particular to a heat treatment process for a piston ring of an engine.
Background
The piston ring is used for imbedding the inside becket of piston slot, and the piston ring divide into two kinds: a compression ring and an oil ring. The compression ring can be used for sealing the combustible mixed gas in the combustion chamber; the oil ring is used to scrape off the excessive oil on the cylinder.
However, the above-mentioned solutions still have certain defects, and the inventors have found through research that, in the process of implanting the piston ring into a heat treatment furnace for heat treatment, the heat treatment quality of the piston ring cannot be ensured because the gas capable of reacting with the piston ring exists in the heat treatment furnace and causes irreversible influence on the outer surface performance of the piston ring.
Disclosure of Invention
In order to make up for the defects, the invention provides a heat treatment process for a piston ring of an engine, which aims to solve the problem that the heat treatment quality of the piston ring cannot be ensured because the outer surface performance of the piston ring is irreversibly influenced by gas capable of reacting with the piston ring in a heat treatment furnace in the heat treatment process of the existing piston ring implanted into the heat treatment furnace.
The invention is realized by the following steps:
the invention provides a heat treatment process for a piston ring of an engine, which comprises the following steps:
s1: removing an oxidation layer, clamping the piston ring by utilizing a clamping arm, and then polishing the oxidation layer on the piston ring by utilizing a sand blasting device;
s2: cleaning, namely washing sand on the piston ring by using a cleaning mechanism, and drying the piston ring by using a drying mechanism;
s3: thermal spraying, namely spraying a coating material on the piston ring by utilizing a thermal spraying mechanism in an inert gas environment;
s4: installing the piston ring into a heat treatment furnace, stacking the piston ring subjected to thermal sand spraying treatment into a special fixture, hanging the special fixture into the heat treatment furnace by using a hanging frame, and closing a furnace door of the heat treatment furnace;
s5: exhausting air, namely exhausting the air in the heat treatment furnace by using a vacuum pump, and introducing inert gas into the heat treatment furnace by using an inflating mechanism;
s6: heat treatment, wherein the piston ring is heated by a heat treatment furnace to a temperature above the phase transition temperature, and the temperature is kept for 10-20 minutes;
s7: and cooling, taking the special fixture with the piston ring out of the heat treatment, hanging the fixture on a bracket, and air-cooling to room temperature.
In an embodiment of the invention, the sand blasting device in the step 1 includes a sand blasting mechanism, a sand recycling mechanism and a protection mechanism, the sand recycling mechanism is disposed below the sand blasting mechanism, the protection mechanism is disposed around the sand blasting mechanism, and the protection mechanism prevents sand from being blasted to the outside, so that the sand completely enters the sand recycling mechanism, and the sand is recycled and reused conveniently.
In an embodiment of the present invention, the cleaning mechanism in step 2 includes a flushing mechanism, a feeding mechanism, a flanging mechanism and a water recycling mechanism, the flushing mechanism is fixed above the feeding mechanism, the flanging mechanism is fixed on the flushing mechanism, the water recycling mechanism is fixed below the feeding mechanism, the flanging mechanism includes a mechanical arm and an electromagnet, the electromagnet is fixed on the mechanical arm, the feeding mechanism conveys the polished piston ring forward, the flushing mechanism flushes the piston ring, the mechanical arm and the electromagnet perform flanging operation on the piston ring, so that sand on the piston ring and the feeding mechanism is flushed away, and a sand-water mixture flows into the water recycling mechanism.
In an embodiment of the present invention, the water recycling mechanism in step 2 includes a box, a filter screen, a water pump, a first water pipe, a second water pipe and a support column, the support column is fixed on a lower surface of the box, the filter screen is fixed in the box, the water pump is fixed on an outer wall of the box, one end of each of the first water pipe and the second water pipe is arranged on the water pump, the other end of the first water pipe is arranged on the flushing mechanism, the other end of the second water pipe is arranged in the box, the filter screen filters sand in the sand-water mixture, and the water pump injects clean water into the flushing mechanism through the second water pipe and the first water pipe to realize recycling of water resources.
In an embodiment of the present invention, the drying mechanism in step 2 is fixed at the tail of the feeding mechanism, after the drying mechanism dries one surface of the piston ring, the flanging mechanism performs flanging operation on the piston ring, the drying mechanism performs drying operation on the other surface of the piston ring, and the flanging mechanism places the dried piston ring in the collection box.
In one embodiment of the present invention, the thermal spraying mechanism in step 3 heats and melts the coating material, atomizes the coating material into ultrafine particles by using a high-speed gas flow, and sprays the ultrafine particles onto the surface of the piston ring at a high speed to form the coating.
In an embodiment of the present invention, in step 4, the hanging rack is fixed on the special fixture, a hanging rod is arranged in the heat treatment furnace, the hanging rack is hung on the hanging rod, so that the special fixture can be conveniently and quickly hung in the heat treatment furnace, the furnace door is fixed on the heat treatment furnace through a hinge, and the furnace door is convenient for taking out the special fixture in the heat treatment furnace.
In an embodiment of the present invention, in the step 5, the vacuum pump includes a vacuum pump body, an air duct, and a vacuum sensor, the vacuum pump body and the vacuum sensor are both fixed on an outer wall of the heat treatment furnace, the air duct is disposed between the vacuum pump body and the heat treatment furnace, the vacuum pump body can enable an inner cavity of the heat treatment furnace to form a vacuum state, and the vacuum sensor is convenient for controlling a vacuum degree in the heat treatment furnace.
In an embodiment of the present invention, the inflating mechanism in step 5 includes an inflator, a gas tank, a first conduit and a second conduit, the gas tank stores inert gas, the first conduit and the second conduit are both disposed on the inflator, the other end of the first conduit is disposed in the gas tank, the second conduit is disposed in the heat treatment furnace, and the inflator facilitates introduction of the inert gas in the gas tank into the heat treatment furnace.
In an embodiment of the present invention, in the step 7, a hanging ring is fixed on the bracket, and the hanging rack is hung on the hanging ring, that is, the special fixture is hung on the bracket, and a plurality of special fixtures can be hung on the hanging rack at the same time, so that the utilization rate of the bracket is improved.
The invention has the beneficial effects that: the invention obtains a heat treatment process of a piston ring of an engine through the design, when in use, the piston ring is clamped by utilizing a clamping arm, an oxide layer on the piston ring is ground by utilizing a sand blasting device, sand on the piston ring is washed by utilizing a cleaning mechanism, the piston ring is dried by utilizing a drying mechanism, coating materials are sprayed on the piston ring by utilizing a thermal spraying mechanism under the inert gas environment, the piston ring after the thermal spraying sand treatment is stacked into a special fixture, then the special fixture is hung in a heat treatment furnace by utilizing a hanging frame, the furnace door of the heat treatment furnace is closed, air in the heat treatment furnace is exhausted by utilizing a vacuum pump, inert gas is introduced into the heat treatment furnace by utilizing an inflating mechanism, the heat treatment furnace heats the piston ring to be above the phase transition temperature and keeps the temperature for 10 to 20 minutes, and the special fixture provided with the piston ring is taken out of the heat treatment, and the heat treatment process is hung on a bracket to be air-cooled to room temperature, and the heat treatment process of the engine piston ring carries out heat treatment operation on the piston ring in an inert gas environment, namely the heat treatment quality of the piston ring is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a system diagram of a heat treatment process for a piston ring of an engine according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present invention provides a technical solution, which includes the following steps:
s1: removing an oxidation layer, clamping the piston ring by utilizing a clamping arm, and then polishing the oxidation layer on the piston ring by utilizing a sand blasting device, wherein the sand blasting device in the step 1 comprises a sand blasting mechanism, a sand recycling mechanism and a protection mechanism, the sand recycling mechanism is arranged below the sand blasting mechanism, the protection mechanism is arranged around the sand blasting mechanism, and the protection mechanism prevents sand from being blasted to the outside, so that the sand completely enters the sand recycling mechanism, and the sand is convenient to recycle;
s2: cleaning, cleaning sand on the piston ring by using a cleaning mechanism, and drying the piston ring by using a drying mechanism, wherein the cleaning mechanism in the step 2 comprises a washing mechanism, a feeding mechanism, a flanging mechanism and a water recycling mechanism, the washing mechanism is fixed above the feeding mechanism, the flanging mechanism is fixed on the washing mechanism, the water recycling mechanism is fixed below the feeding mechanism, the flanging mechanism comprises a mechanical arm and an electromagnet, the electromagnet is fixed on the mechanical arm, the feeding mechanism conveys the polished piston ring forwards, the washing mechanism washes the piston ring, the mechanical arm and the electromagnet perform flanging operation on the piston ring to wash sand on the piston ring and the feeding mechanism, the sand-water mixture flows into the water recycling mechanism, the drying mechanism in the step 2 is fixed at the tail part of the feeding mechanism, and after the drying mechanism dries one surface of the piston ring, the flanging mechanism carries out flanging operation on the piston ring, the drying mechanism carries out drying operation on the other side of the piston ring, and the flanging mechanism places the dried piston ring in the collecting box;
s3: thermal spraying, namely spraying a coating material on the piston ring by using a thermal spraying mechanism in an inert gas environment, heating and melting the coating material by using the thermal spraying mechanism in the step 3, atomizing the coating material into superfine particles by using high-speed airflow, and spraying the superfine particles onto the surface of the piston ring at a high speed to form a coating;
s4: installing a piston ring into a heat treatment furnace, stacking the piston ring subjected to thermal sand spraying treatment into a special fixture, hanging the special fixture into the heat treatment furnace by using a hanging frame, closing a furnace door of the heat treatment furnace, fixing the hanging frame on the special fixture in the step 4, arranging a hanging rod in the heat treatment furnace, hanging the hanging frame on the hanging rod, conveniently and quickly hanging the special fixture into the heat treatment furnace, fixing the furnace door on the heat treatment furnace through hinges, and conveniently taking out the special fixture in the heat treatment furnace by using the furnace door;
s5: exhausting air, exhausting the air in the heat treatment furnace by using a vacuum pump, introducing inert gas into the heat treatment furnace by using an inflating mechanism, wherein the vacuum pump in the step 5 comprises a vacuum pump body, an air guide pipe and a vacuum sensor, the vacuum pump body and the vacuum sensor are both fixed on the outer wall of the heat treatment furnace, the air guide pipe is arranged between the vacuum pump body and the heat treatment furnace, the vacuum pump body can enable the inner cavity of the heat treatment furnace to form a vacuum state, the vacuum sensor is convenient for controlling the vacuum degree in the heat treatment furnace, the inflating mechanism in the step 5 comprises an inflating pump, the heat treatment furnace comprises a gas storage tank, a first guide pipe and a second guide pipe, wherein inert gas is stored in the gas storage tank, the first guide pipe and the second guide pipe are both arranged on an inflator pump, the other end of the first guide pipe is arranged in the gas storage tank, the second guide pipe is arranged in the heat treatment furnace, and the inflator pump is convenient for guiding the inertia in the gas storage tank into the heat treatment furnace;
s6: heat treatment, wherein the piston ring is heated by a heat treatment furnace to a temperature above the phase transition temperature, and the temperature is kept for 10-20 minutes;
s7: and (3) cooling, namely taking out the special fixture with the piston ring from the heat treatment, hanging the special fixture on the support, air-cooling the special fixture to room temperature, fixing a hanging ring on the support in the step (7), hanging the hanging frame on the hanging ring, namely realizing that the special fixture is hung on the support, hanging a plurality of special fixtures on the hanging frame at the same time, and improving the utilization rate of the support.
Specifically, the working principle of the heat treatment process of the engine piston ring is as follows: when in use, the piston ring is clamped by utilizing the clamping arm, then an oxide layer on the piston ring is polished by utilizing the sand blasting device, sand on the piston ring is washed by utilizing the cleaning mechanism, the piston ring is dried by utilizing the drying mechanism, coating materials are sprayed on the piston ring by utilizing the thermal spraying mechanism under the inert gas environment, the piston ring after the thermal spraying sand treatment is piled into the special fixture, then the special fixture is hung in the heat treatment furnace by utilizing the hanging frame, the furnace door of the heat treatment furnace is closed, the air in the heat treatment furnace is exhausted by utilizing the vacuum pump, the inert gas is introduced into the heat treatment furnace by utilizing the inflating mechanism, the piston ring is heated by the heat treatment furnace, the temperature is heated to be higher than the phase transition temperature, the heat preservation is carried out for 10 to 20 minutes, the special fixture provided with the piston ring is taken out of the heat treatment and hung on the bracket for air cooling to the room temperature, and the heat treatment process of the piston ring of the engine carries out the heat treatment operation under the inert gas environment, namely, the heat treatment quality of the piston ring is ensured.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A heat treatment process for a piston ring of an engine is characterized by comprising the following steps:
s1: removing an oxidation layer, clamping the piston ring by utilizing a clamping arm, and then polishing the oxidation layer on the piston ring by utilizing a sand blasting device;
s2: cleaning, namely washing sand on the piston ring by using a cleaning mechanism, and drying the piston ring by using a drying mechanism;
s3: thermal spraying, namely spraying a coating material on the piston ring by utilizing a thermal spraying mechanism in an inert gas environment;
s4: installing the piston ring into a heat treatment furnace, stacking the piston ring subjected to thermal sand spraying treatment into a special fixture, hanging the special fixture into the heat treatment furnace by using a hanging frame, and closing a furnace door of the heat treatment furnace;
s5: exhausting air, namely exhausting the air in the heat treatment furnace by using a vacuum pump, and introducing inert gas into the heat treatment furnace by using an inflating mechanism;
s6: heat treatment, wherein the piston ring is heated by a heat treatment furnace to a temperature above the phase transition temperature, and the temperature is kept for 10-20 minutes;
s7: and cooling, taking the special fixture with the piston ring out of the heat treatment, hanging the fixture on a bracket, and air-cooling to room temperature.
2. The heat treatment process for the piston ring of the engine as claimed in claim 1, wherein the sand blasting device in the step 1 comprises a sand blasting mechanism, a sand recycling mechanism and a protection mechanism, the sand recycling mechanism is arranged below the sand blasting mechanism, the protection mechanism is arranged around the sand blasting mechanism, the protection mechanism prevents sand from being blasted to the outside, and the sand is enabled to completely enter the sand recycling mechanism, so that the sand can be recycled and reused.
3. The heat treatment process for the piston ring of the engine as claimed in claim 1, wherein the cleaning mechanism in step 2 comprises a washing mechanism, a feeding mechanism, a flanging mechanism and a water recycling mechanism, the washing mechanism is fixed above the feeding mechanism, the flanging mechanism is fixed on the washing mechanism, the water recycling mechanism is fixed below the feeding mechanism, the flanging mechanism comprises a mechanical arm and an electromagnet, the electromagnet is fixed on the mechanical arm, the feeding mechanism conveys the polished piston ring forward, the washing mechanism washes the piston ring, the mechanical arm and the electromagnet perform flanging operation on the piston ring, sand on the piston ring and the feeding mechanism is washed away, and a sand-water mixture flows into the water recycling mechanism.
4. The heat treatment process for the piston ring of the engine as claimed in claim 3, wherein the water recycling mechanism in step 2 comprises a box body, a filter screen plate, a water pump, a first water pipe, a second water pipe and a support column, the support column is fixed on the lower surface of the box body, the filter screen plate is fixed in the box body, the water pump is fixed on the outer wall of the box body, one end of each of the first water pipe and the second water pipe is arranged on the water pump, the other end of each of the first water pipe and the second water pipe is arranged on the flushing mechanism, the other end of each of the second water pipe and the second water pipe is arranged in the box body, the filter screen plate filters sand in the sand-water mixture, and the water pump injects clean water into the flushing mechanism through the second water pipe and the first water pipe to recycle water resources.
5. The heat treatment process for the piston ring of the engine as claimed in claim 3, wherein the drying mechanism in the step 2 is fixed at the tail of the feeding mechanism, after the drying mechanism dries one surface of the piston ring, the flanging mechanism performs flanging operation on the piston ring, the drying mechanism performs drying operation on the other surface of the piston ring, and the flanging mechanism places the dried piston ring in the collection box.
6. The heat treatment process for the piston ring of the engine as claimed in claim 1, wherein the thermal spraying mechanism in step 3 heats and melts the coating material, atomizes the coating material into extremely fine particles by using high-speed gas flow, and sprays the particles onto the surface of the piston ring at high speed to form the coating.
7. The heat treatment process for the piston ring of the engine as claimed in claim 1, wherein the hanger in step 4 is fixed on the special fixture, a hanging rod is arranged in the heat treatment furnace, the hanger is hung on the hanging rod to facilitate the quick hanging of the special fixture into the heat treatment furnace, the furnace door is fixed on the heat treatment furnace through a hinge, and the furnace door facilitates the taking out of the special fixture in the heat treatment furnace.
8. The heat treatment process for the piston ring of the engine as claimed in claim 1, wherein the vacuum pump in the step 5 comprises a vacuum pump body, an air duct and a vacuum sensor, the vacuum pump body and the vacuum sensor are both fixed on the outer wall of the heat treatment furnace, the air duct is arranged between the vacuum pump body and the heat treatment furnace, the vacuum pump body can enable the inner cavity of the heat treatment furnace to be in a vacuum state, and the vacuum sensor is convenient for controlling the vacuum degree in the heat treatment furnace.
9. The heat treatment process for an engine piston ring as claimed in claim 1, wherein said inflating mechanism in step 5 includes an inflator, a gas tank, a first conduit and a second conduit, said gas tank storing an inert gas, said first conduit and said second conduit being disposed on said inflator, the other end of said first conduit being disposed in said gas tank, said second conduit being disposed in said heat treatment furnace, said inflator facilitating introduction of the inert gas in said gas tank into said heat treatment furnace.
10. The heat treatment process for the piston ring of the engine as claimed in claim 1, wherein a hanging ring is fixed on the bracket in the step 7, and the hanging rack is hung on the hanging ring, so that the hanging rack is hung on the bracket, and a plurality of special fixtures can be hung on the hanging rack at the same time, thereby improving the utilization rate of the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111085922.3A CN113832329A (en) | 2021-09-16 | 2021-09-16 | Heat treatment process for engine piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111085922.3A CN113832329A (en) | 2021-09-16 | 2021-09-16 | Heat treatment process for engine piston ring |
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| Publication Number | Publication Date |
|---|---|
| CN113832329A true CN113832329A (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111085922.3A Pending CN113832329A (en) | 2021-09-16 | 2021-09-16 | Heat treatment process for engine piston ring |
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| CN (1) | CN113832329A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298957A (en) * | 2000-06-28 | 2001-06-13 | 佛山市扬戈热处理有限公司 | Low-vacuum heat treating method with less or no oxidization and its apparatus |
| CN102168276A (en) * | 2011-04-06 | 2011-08-31 | 上海电机学院 | Heat treatment technology for automobile piston ring |
| CN103025909A (en) * | 2010-07-22 | 2013-04-03 | 联邦摩高布尔沙伊德公司 | Piston ring having a thermally sprayed coating and method for producing same |
-
2021
- 2021-09-16 CN CN202111085922.3A patent/CN113832329A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298957A (en) * | 2000-06-28 | 2001-06-13 | 佛山市扬戈热处理有限公司 | Low-vacuum heat treating method with less or no oxidization and its apparatus |
| CN103025909A (en) * | 2010-07-22 | 2013-04-03 | 联邦摩高布尔沙伊德公司 | Piston ring having a thermally sprayed coating and method for producing same |
| CN102168276A (en) * | 2011-04-06 | 2011-08-31 | 上海电机学院 | Heat treatment technology for automobile piston ring |
Non-Patent Citations (1)
| Title |
|---|
| 范世东等: "《轮机维护与修理》", 30 November 2012, 武汉大学出版社 * |
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Application publication date: 20211224 |