CN110153226A - Hot rolled steel rod rolling line and production method for piston ring - Google Patents
Hot rolled steel rod rolling line and production method for piston ring Download PDFInfo
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- CN110153226A CN110153226A CN201910500799.3A CN201910500799A CN110153226A CN 110153226 A CN110153226 A CN 110153226A CN 201910500799 A CN201910500799 A CN 201910500799A CN 110153226 A CN110153226 A CN 110153226A
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- wire rod
- rolling
- wire
- annealing
- precision
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
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- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a kind of hot rolled steel rod rolling lines and production method for piston ring, including the unwrapping wire runner successively arranged, annealing preprocessing station, drying unit, precision rolling device, Q-tempering component, traction component and take-up runner, the annealing preprocessing station is used to remove the oxidation film of wire surface and the machining property for improving wire rod for precision rolling device, the drying unit is used to remove the moisture of wire surface, the precision rolling device by the wire rod rolling of annealing preprocessing station for that will form, setting annealing preprocessing station improves the machining property of wire rod in the production line, precision rolling device is arranged to form wire rod rolling and control the percent ripple of wire surface, improve quality stability.
Description
Technical field
The present invention relates to wire rod technical fields, and in particular to a kind of hot rolled steel rod rolling line for piston ring and
Production method.
Background technique
It is bad to produce hot rolled steel rod machining property used in engine piston ring, after being made annealing treatment
Roll forming again, hot rolled steel rod roll forming rear surface percent ripple are poor.
In production line in the prior art, the surface waviness of roll forming wire rod can not be effectively reduced.
Summary of the invention
In order to solve the above technical problems, the present invention provide it is a kind of for the hot rolled steel rod rolling line of piston ring and life
Production method, setting annealing preprocessing station improve wire rod machining property, setting precision rolling device by wire rod rolling at
Type and the percent ripple for controlling wire surface, improve quality stability.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of hot rolled steel rod rolling line for piston ring, including the unwrapping wire runner successively arranged, pretreatment work of annealing
Position, drying unit, precision rolling device, Q-tempering component, traction component and take-up runner, the annealing preprocessing station
Machining property for removing the oxidation film of wire surface and for improving wire rod for precision rolling device, the drying
Device is used to remove the moisture of wire surface, and the precision rolling device will be for that will pass through the wire rod rolling of annealing preprocessing station
Molding, the Q-tempering component are used to improve the toughness and fatigue strength of wire rod.
Further, the precision rolling device includes side rolling idler wheel symmetrically arranged on the left and the right and arrangement symmetrical above and below
Pinch rollers 402, side rolling idler wheel circumferencial direction is equipped with for by the molding rolling slot 403 of wire rod rolling, the pressure
Tight idler wheel is respectively used to compress the upper and lower surfaces of side wheel, the pinch rollers be used to reduce side rolling idler wheel up and down
Bounce.
A kind of production method of the hot rolled steel rod rolling line for piston ring, comprising the following steps:
Step 1: be placed on wire rod one end on unwrapping wire idler wheel pass through for precision rolling device reduce the annealing component of wire rod hardness with
And the acid dip pickle of the oxide layer for removing wire surface；
Step 2: wire rod is sequentially passed through and is used to remove wire rod by the drying unit of acid dip pickle rear surface moisture and is used for
By the molding precision rolling device of wire rod rolling；
Step 3: wire rod is passed through to the Q-tempering component for being used to improve wire rod fatigue strength and toughness.
Compared with prior art, the method have the benefit that:
1. can reduce the hardness of wire rod by setting annealing preprocessing station in the production line, improve the machining of wire rod
Performance is conducive to protect precision rolling device, and can remove the oxidation film of wire surface by acid dip pickle, improves wire rod
Quality.
2. wire rod rolling is formed and controls the ripple of wire surface by the way that precision rolling device is arranged in the production line
Degree, improves quality stability.
Detailed description of the invention
Fig. 1 is production line schematic flow sheet of the invention；
Fig. 2 is the structural schematic diagram of present invention annealing preprocessing station；
Fig. 3 is the structural schematic diagram of straightener of the invention；
Fig. 4 is the top view of the horizontal percent ripple detection device of the present invention；
Fig. 5 is the front view of the vertical percent ripple detection device of the present invention；
Fig. 6 is the structural schematic diagram of the artificial checking device of the present invention；
Fig. 7 is the structural schematic diagram of side throwing electro-optical device of the present invention；
Fig. 8 is the structural schematic diagram that wire rod of the present invention passes through side throwing electro-optical device；
Fig. 9 is the structural schematic diagram of face polishing assembly of the present invention；
Figure 10 is the structural schematic diagram of precision rolling device of the present invention.
Specific embodiment
A kind of preferred embodiment of the invention is described in detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of hot rolled steel rod rolling line for piston ring, including the unwrapping wire runner successively arranged
100, anneal preprocessing station 200, drying unit 300, precision rolling device 400, Q-tempering component 500, traction component with
And take-up runner 900, the annealing preprocessing station are used to remove the oxidation film of wire surface and for filling for precision rolling
The machining property for improving wire rod is set, the drying unit is used to remove the moisture of wire surface, the precision rolling device
For that will pass through the wire rod rolling molding of annealing preprocessing station, the Q-tempering component is used to improve the toughness of wire rod and tired
Labor intensity can reduce the hardness of wire rod by the way that annealing preprocessing station is arranged in the production line, improve the machining of wire rod
Performance is conducive to after protecting precision rolling device, wire rod hardness to reduce, and when carrying out rolling process, surface waviness is lower,
Quality stability is more preferable.
As shown in Figure 1, being successively placed with polishing station 600 between the Q-tempering component 500 and traction wheel set assembly
With on-line checking station 700.
As shown in Figure 1, the polishing station 600 includes face polishing assembly, the side throwing optical assembly set gradually, the face is thrown
Optical assembly is used to carry out polishing to wire rod upper and lower surfaces and the side throwing optical assembly is for polishing wire rod two sides.
As shown in FIG. 7 and 8, the side throwing electro-optical device includes bottom plate 621, pressing plate 622, support pad 623 and side throwing light
Wheel 624 offers wire rod limit chamber close to side throwing halo side between the bottom plate and pressing plate, sets between the bottom plate and pressing plate
There is the support pad for adjusting wire rod limit chamber height, the wire rod makes the non-polished surface and branch of wire rod by wire rod limit chamber
Stake pad piece pushes against, and wire rod other side burnishing surface stretches out wire rod limit chamber and forms wire rod polishing position 11；Wire rod is filled across side throwing light
Before setting, need for support pad to be placed in plate upper surface, and compress support pad using pressing plate, between the bottom plate and pressing plate
And wire rod limit chamber is formed close to side throwing halo side, wire rod 10 is passed through into wire rod limit chamber, the wire rod side comes to support
On gasket, wire rod limit chamber is exposed at the wire rod polishing position of the wire rod other side, and side throwing halo contact wire rod polishing portion position is simultaneously
It is processed by shot blasting.
As shown in figure 9, the face polishing assembly include front support idler wheel 611, preceding polishing wheel 612, rear support idler wheel 613 with
And rear polishing wheel 614, the axis parallel arrangement of the front support idler wheel and rear support idler wheel and it is located in the same horizontal plane, institute
Polishing wheel is for polishing wire rod upper surface before stating, and the rear polishing wheel is for polishing wire rod lower surface, and the preceding polishing wheel is with before
The direction of rotation of back-up roller wheel on the contrary, after described the direction of rotation of polishing wheel and rear support idler wheel on the contrary, preceding polishing wheel to wire rod
When upper surface is polished, front support wheel is played a supporting role, when rear polishing wheel polishes wire rod lower surface, rear support wheel
Play a supporting role, the face polishing assembly can the upper and lower surfaces to wire rod be processed by shot blasting.
As illustrated in fig. 1 and 2, the annealing preprocessing station includes the annealing component 210 and acid dip pickle successively arranged
220, the annealing component includes annealing well furnace 211, ammonia decomposition device 212 and is used to connect annealing well furnace and ammonia decomposition device
Gas pipeline 213, the annealing well furnace is used to improve the machining property of wire rod, and the ammonia decomposition device is used for as annealing
Well furnace provides protective gas, and the acid dip pickle is used to remove the oxidation film that wire rod is generated by annealing well furnace rear surface, leads to
Setting annealing component and acid dip pickle in the production line are crossed, the hardness of wire rod can be reduced, improve the machining property of wire rod,
Be conducive to protect precision rolling device, be equipped with pickling solution in the acid dip pickle, pickling solution can make the oxidation film of wire surface
It is detached from wire rod, improves wire rod quality.
As shown in Figure 10, it includes that side symmetrically arranged on the left and the right is rolled that the precision rolling device, which includes the precision rolling device,
The pinch rollers 402 of idler wheel 401 processed and arrangement symmetrical above and below, the side rolling idler wheel circumferencial direction are equipped with for rolling wire rod
Molding rolling slot 403 is made, the pinch rollers are respectively used to compress the upper and lower surfaces of side wheel, the pinch rollers
It is formed under the squeezing action of side rolling idler wheel for reducing moving up and down for side rolling idler wheel, when wire rod passes through rolling slot specific
Shape, rolling slot can be configured according to the shape of final products, when wire rod macroscopic view straightness is not high, can make roll idler wheel
It moves up and down, so that cross sectional shape is unstable after wire rod rolling, pinch rollers reduce the operation of rolling for compressing side rolling idler wheel
Moving up and down for middle side rolling idler wheel, improves the stability of wire cross-section shape.
As seen in figures 3-6, the on-line checking station include successively arrange for improve wire rod straightness straightener,
For detect wire surface degree of injury failure detector and horizontal percent ripple detection device, vertical percent ripple detection device,
Artificial checking device, the horizontal percent ripple detection device and vertical percent ripple detection device are for detecting wire rod percent ripple, institute
Artificial checking device is stated for wiping out in wire rod by failure detector, horizontal percent ripple detection device and vertical percent ripple detection dress
Postpone underproof region；The straightener includes the aligning idler wheel 710 that at least two groups are arranged symmetrically, in the present embodiment, institute
It states aligning idler wheel and shares 4 groups, the straightness that the aligning idler wheel is used to improve wire rod 10 makes before carrying out percent ripple detection
The straightness that wire rod is improved with aligning idler wheel is conducive to the detection error for reducing percent ripple detection device, error detection is avoided to cause
Production line frequent shutdown bring production loss, improve production efficiency；The horizontal percent ripple detection device includes sidewindering
Wheel 733, hold out against idler wheel 731 and with the first pressure sensor 732 that holds out against idler wheel and contact, the horizontal percent ripple detection device
It is fixed on detection workbench, the side wheel is fixedly connected on detection workbench by bearing, and the idler wheel that holds out against passes through
Bearing and elastic parts are installed on detection workbench, and there are when percent ripple, can make to hold out against idler wheel relative to detection work for wire rod 10
Make platform to move, above-mentioned movement can be detected by first pressure sensor；The vertical percent ripple detection device includes bottom surface
Idler wheel 743, pinch rollers 741 and the second pressure sensor 742 contacted with pinch rollers, the vertical percent ripple detection dress
It sets and is fixed on detection workbench, the bottom surface idler wheel is fixedly connected on detection workbench by bearing, the pinch rollers
It is installed on detection workbench by bearing and elastic parts, wire rod 10 can make pinch rollers relative to inspection there are when percent ripple
It surveys workbench to move, above-mentioned movement can be detected by second pressure sensor；Horizontal percent ripple detection device and vertical wave
Line degree detection device can detecte the horizontal percent ripple and vertical percent ripple of wire rod, and the percent ripple in either direction is not up to standard
When, equipment can be shut down, and will likely the positions of existing defects stop to the position of artificial checking device, convenient working personnel carry out
Manual operation ensure that the quality stability of wire rod；The failure detector is eddy current flaw detec, and eddy current flaw detec can detect line
Material surface defect avoids defective product from flowing into next process, ensure that the quality stability of wire rod；Artificial checking device
Including workbench 751, it is fixedly arranged on the examining watching mirror 752 of worktable upper surface and what is be fixedly connected with workbench inspects headlamp
753, the examining watching mirror for being fixedly arranged on worktable upper surface is conducive to the defect that operating personnel confirms wire rod lower surface, when shortening shutdown
Between, improve production efficiency.
Q-tempering component is used to carry out modifier treatment for wire rod, and Q-tempering component includes oil quenching device and tempering dress
It sets, by the wire rod of rolling after carrying out oil hardening processing and tempering, its fatigue limit and toughness can be improved.
As shown in Figure 1, being equipped with the Loosen up wire wheel 110 for being wound with wire feedstock, the take-up on the unwrapping wire runner 100
Receiving wire wheel 910 is installed, the linear speed of the linear velocity of wire rod and traction runner 800 on the Receiving wire wheel on runner 900
Spend identical, do not stress drawing deformation when being wound to wire rod on Receiving wire wheel, ensure that the quality stability of wire rod.
A kind of production method of the hot rolled steel rod rolling line for piston ring, comprising the following steps:
Step 1: be placed on wire rod one end on unwrapping wire idler wheel pass through for precision rolling device reduce the annealing component of wire rod hardness with
And the acid dip pickle of the oxide layer for removing wire surface；
Step 2: wire rod is sequentially passed through and is used to remove wire rod by the drying unit of acid dip pickle rear surface moisture and is used for
By the molding precision rolling device of wire rod rolling；
Step 3: wire rod is passed through to the Q-tempering component for being used to improve wire rod fatigue strength and toughness.
It, will be by step 3 quenching and tempering in order to reduce the percent ripple of wire surface and improve the quality of wire rod
Wire rod afterwards passes through the polishing station for being processed by shot blasting for wire rod upper surface, lower surface and two sides, will polish
Treated, and wire rod passes through the on-line checking station for detecting wire rod case of surface defects and polishing treatment Qualification.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention, and any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technique scheme, for the sake of this narrating mode of specification is just for the sake of understanding, those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of hot rolled steel rod rolling line for piston ring, which is characterized in that including the unwrapping wire runner successively arranged
(100), anneal preprocessing station (200), drying unit (300), precision rolling device (400), Q-tempering component (500),
Traction component and take-up runner (900), the annealing preprocessing station are used to remove the oxidation film of wire surface and are used for
The machining property of wire rod is improved for precision rolling device, the drying unit is used to remove the moisture of wire surface, described
Precision rolling device by the wire rod rolling molding of annealing preprocessing station, the Q-tempering component for that will be used to improve line
The toughness and fatigue strength of material.
2. being used for the hot rolled steel rod rolling line of piston ring according to claim 1, it is characterised in that: the precision is rolled
Device processed includes the pinch rollers (402) of side rolling idler wheel (401) symmetrically arranged on the left and the right and arrangement symmetrical above and below, the side
Idler wheel circumferencial direction is rolled to be equipped with for by the molding rolling slot (403) of wire rod rolling, the pinch rollers to be respectively used to compress
The upper and lower surfaces of side wheel, the pinch rollers are used to reduce moving up and down for side rolling idler wheel.
3. the production method described in -2 any one for the hot rolled steel rod rolling line of piston ring according to claim 1, packet
Include following steps:
Step 1: be placed on wire rod one end on unwrapping wire idler wheel pass through for precision rolling device reduce the annealing component of wire rod hardness with
And the acid dip pickle of the oxide layer for removing wire surface；
Step 2: wire rod is sequentially passed through and is used to remove wire rod by the drying unit of acid dip pickle rear surface moisture and is used for
By the molding precision rolling device of wire rod rolling；
Step 3: wire rod is passed through to the Q-tempering component for being used to improve wire rod fatigue strength and toughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500799.3A CN110153226A (en) | 2019-06-11 | 2019-06-11 | Hot rolled steel rod rolling line and production method for piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500799.3A CN110153226A (en) | 2019-06-11 | 2019-06-11 | Hot rolled steel rod rolling line and production method for piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110153226A true CN110153226A (en) | 2019-08-23 |
Family
ID=67628587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500799.3A Withdrawn CN110153226A (en) | 2019-06-11 | 2019-06-11 | Hot rolled steel rod rolling line and production method for piston ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110153226A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853067A (en) * | 2020-12-31 | 2021-05-28 | 河南富瑞德金属制品有限公司 | Preparation process of special-shaped section oil quenching-tempering spring steel wire |
-
2019
- 2019-06-11 CN CN201910500799.3A patent/CN110153226A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853067A (en) * | 2020-12-31 | 2021-05-28 | 河南富瑞德金属制品有限公司 | Preparation process of special-shaped section oil quenching-tempering spring steel wire |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190823 |
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| WW01 | Invention patent application withdrawn after publication |