CN114434091A - Production method of automobile wheel lock ring - Google Patents
Production method of automobile wheel lock ring Download PDFInfo
- Publication number
- CN114434091A CN114434091A CN202011232355.5A CN202011232355A CN114434091A CN 114434091 A CN114434091 A CN 114434091A CN 202011232355 A CN202011232355 A CN 202011232355A CN 114434091 A CN114434091 A CN 114434091A
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- blank
- lock ring
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- section steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a production method of an automobile wheel lock ring, which comprises the steps of hot rolling of lock ring section steel, marking, rolling, cutting, spot welding, removing weld reinforcement, heating, press forming, notch punching, flattening, milling and prying, removing welding spots and burrs, and finally checking, wherein round steel is used as a raw material to roll the lock ring section steel, the lock ring section steel is rolled in an on-line mode, and a blank after rolling is cut off to obtain a cut blank; closing up and spot welding the cut blank, heating the spot-welded blank, pressing the heated blank into a preset shape, milling and prying the formed blank, and removing welding spots and burrs of the milled and pried blank to obtain the lock ring. The lock ring production method adopts round steel as a raw material, reduces the processing procedures of the lock ring section steel raw material, and reduces the production cost; the lock ring section steel is rolled on line, so that the end cutting is reduced, and the material utilization rate is high; and heating after spot welding, and performing press forming after heating to obtain a formed blank, wherein the forming effect is good, and the dimensional stability is good.
Description
Technical Field
The invention relates to the field of automobile wheels, in particular to a production method of an automobile wheel lock ring.
Background
The lock ring is a key safety component of the wheel, and the lock ring is an indispensable wheel accessory for locking a wheel flange (or a retainer ring) on a wheel rim. The locking ring is of an opening structure, is sleeved in a groove ring groove matched with the locking ring, and meets the requirement of repeated assembly and disassembly, so that the locking ring is required to have enough strength and rigidity, and is required to have elasticity so as to meet the requirement of dimensional stability after repeated assembly and disassembly.
The existing automobile lock ring production method adopts rolled 4-6 times length lock ring section steel bar material, and the lock ring is processed by the working procedures of marking, rolling, cutting, spot welding, heating, forming, polishing, milling opening and the like. The lock ring section steel is made of a billet with a cross section of 120 x 120 or more, and is obtained by cutting, heating, rolling and cooling, and the processing cost is high. The method comprises the following steps of (1) marking a section steel strip, starting marking from a position 100-150mm away from the end part of the lock ring section steel, and marking according to the material length of a single ruler; rolling, namely rolling 4-6 times of lock ring section steel bar materials into spiral blanks; cutting off, namely cutting off the head and the tail by a cutting machine, cutting off the spiral ring material into a single-multiple-length blank according to the marking position, wherein the cut is inclined, the efficiency is low, and the material utilization rate is low; and (3) heating, namely, putting the blank into a heating furnace for heating, wherein the heating temperature is uneven, so that the formed size is unstable.
Disclosure of Invention
The invention aims to provide a production method of an automobile wheel lock ring, which is used for solving the problems of more processing procedures, low processing efficiency, low material utilization rate, high production cost and poor dimensional stability of the lock ring in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a production method of an automobile wheel lock ring comprises the following steps:
the lock ring is hot-rolled by using section steel, and round steel is used as a raw material to roll the lock ring section steel;
scribing, namely scribing on the lock ring section steel to obtain a scribed blank;
rolling, namely performing online rolling on the lock ring section steel to obtain a rolled blank;
cutting, namely cutting the round blank to obtain a cut blank;
spot welding, namely spot welding is carried out on the cut blank to obtain a spot-welded blank;
welding, namely welding the spot-welded blank to obtain a welded blank;
removing the weld reinforcement, and removing the weld reinforcement from the welded blank to obtain a blank with the weld reinforcement removed;
heating, namely heating the spot-welded blank by using a heating furnace to obtain a heated blank;
pressing and forming, namely pressing the heated blank to a preset shape to obtain a formed blank;
punching a notch, namely punching the notch on the round blank to obtain a notch punched blank;
flattening, namely flattening the blank subjected to notch punching to obtain a flattened blank;
milling and prying the opening, namely milling and prying the formed blank to obtain a blank with the milled and pried opening;
removing welding spots and burrs, and removing the welding spots and the burrs of the blank after milling and prying to obtain a locking ring;
and (5) checking, namely checking the lock ring to obtain a finished lock ring.
Wherein, the hot rolling process of the section steel of the lock ring comprises the following steps:
cutting off round steel, namely cutting off the round steel serving as a raw material by using a steel cutting machine to obtain a round steel blank;
heating the blank, namely heating the round steel blank to obtain a heated blank;
rolling, namely rolling the heated blank to obtain a section steel bar material;
and straightening, namely straightening the section steel bar material to obtain the lock ring section steel.
In the spot welding process, the cut blank is placed on a spot welding platform, a closing device is started to close the cut blank, and spot welding is performed after closing to obtain the spot-welded blank.
In the rolling procedure, performing online rolling on the 12-18 times length lock ring section steel to obtain a rolled blank;
in the milling and prying step, the formed blank is placed on a pneumatic clamping device of a milling machine, and milling and prying are carried out after the formed blank is clamped, so that a blank with a milled and pryed opening is obtained;
in the pressing forming process, the formed blanks are piled on a turnover trolley for air cooling, and the turnover trolley is used for conveying the air-cooled blanks to a milling and prying opening process.
And in the heating procedure, the blank after spot welding is placed on a platform of a heating furnace, and is sent into the heating furnace to be heated to 850-950 ℃ to obtain the heated blank.
In the heating step, the heating furnace is a walking beam furnace.
The lock ring production method further comprises finished product inspection, wherein the lock ring is placed on an inspection platform to inspect the flatness of the lock ring, and the lock ring is sleeved on an inspection mandrel to inspect the size of an opening.
Wherein the billet heating step includes:
two U-shaped groove tracks are longitudinally arranged in parallel, and heat-resistant bars are sequentially placed in the U-shaped grooves;
the section steel blank is transversely placed on the heat-resistant bar;
and pushing the heat-resistant rod by using a pusher to send the section steel blank into a heating furnace for heating to obtain a heated blank.
In the rolling procedure, a bearing rolling mill is adopted to roll the heated blank for multiple times to obtain the section steel bar.
And conveying the section steel bar material to a cooling bed through a roller way for air cooling, and conveying the section steel bar material to a straightening process after the air cooling.
The technical scheme of the invention has the following beneficial effects:
in the scheme, the production method of the automobile wheel lock ring adopts round steel as a raw material, reduces the processing procedures, reduces the production cost and has high processing efficiency; the wire is rolled on line, the head cutting is reduced, and the material utilization rate is high; and heating after spot welding, and performing press forming after heating to obtain a formed blank, wherein the forming effect is good, and the dimensional stability is good.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, specific embodiments are described in detail below.
The invention provides a production method of an automobile wheel lock ring, aiming at the problems of multiple processing procedures, low processing efficiency, low material utilization rate, high production cost and poor dimensional stability of the existing lock ring.
The embodiment of the invention provides a production method of an automobile wheel lock ring, which comprises the following steps:
the section steel of the lock ring is hot-rolled, and round steel is used as a raw material to roll the section steel of the lock ring;
the lock ring is hot-rolled by using section steel, and round steel is used as a raw material to roll the lock ring section steel;
scribing, namely scribing on the lock ring section steel to obtain a scribed blank;
performing on-line rounding on the lock ring section steel to obtain a blank after rounding;
cutting, namely cutting the round blank to obtain a cut blank;
spot welding, namely spot welding is carried out on the cut blank to obtain a spot-welded blank;
welding, namely welding the spot-welded blank to obtain a welded blank;
removing the weld reinforcement, and removing the weld reinforcement from the welded blank to obtain a blank with the weld reinforcement removed;
heating, namely heating the spot-welded blank by using a heating furnace to obtain a heated blank;
pressing and forming, namely pressing the heated blank to a preset shape to obtain a formed blank;
punching a notch, namely punching the notch on the round blank to obtain a notch punched blank;
flattening, namely flattening the blank subjected to notch punching to obtain a flattened blank;
milling and prying the opening, namely milling and prying the formed blank to obtain a blank with the milled and pried opening;
removing welding spots and burrs, and removing the welding spots and the burrs of the blank after milling and prying to obtain a locking ring;
and (5) checking, namely checking the lock ring to obtain a finished lock ring.
The production method of the automobile wheel locking ring adopts the round steel as the raw material, reduces the processing procedures of the locking ring, reduces the production cost and has high production efficiency; the wire is rolled on line, the head cutting is reduced, and the material utilization rate is high; and heating after spot welding, and performing press forming after heating to obtain a formed blank, wherein the forming effect is good, and the dimensional stability is good.
Wherein, the hot rolling process of the section steel of the lock ring comprises the following steps:
cutting off round steel, namely cutting off the round steel serving as a raw material by using a steel cutting machine to obtain a round steel blank;
heating the blank, namely heating the round steel blank to obtain a heated blank;
rolling, namely rolling the heated blank to obtain a section steel bar material;
and straightening, namely straightening the section steel bar material to obtain the lock ring section steel.
In the spot welding process, the cut blank is placed on a spot welding platform, a closing device is started to close the cut blank, and spot welding is performed after closing to obtain the spot-welded blank.
In the rolling procedure, performing online rolling on the 12-18 times length lock ring section steel to obtain a rolled blank; in the milling and prying step, the formed blank is placed on a pneumatic clamping device of a milling machine, and milling and prying are carried out after the formed blank is clamped, so that a blank with a milled and pryed opening is obtained;
in the pressing forming process, the formed blanks are piled on a turnover trolley for air cooling, and the turnover trolley is used for conveying the air-cooled blanks to a milling and prying opening process.
And in the heating procedure, the blank after spot welding is placed on a platform of a heating furnace, and is sent into the heating furnace to be heated to 850-950 ℃ to obtain the heated blank.
In the heating step, the heating furnace is a walking beam furnace.
The lock ring production method further comprises finished product inspection, wherein the lock ring is placed on an inspection platform to inspect the flatness of the lock ring, and the lock ring is sleeved on an inspection mandrel to inspect the size of an opening.
Wherein the billet heating step includes:
two U-shaped groove tracks are longitudinally arranged in parallel, and heat-resistant bars are sequentially placed in the U-shaped grooves;
the section steel blank is transversely placed on the heat-resistant bar;
and pushing the heat-resistant rod by using a pusher to send the section steel blank into a heating furnace for heating to obtain a heated blank.
In the rolling procedure, a bearing rolling mill is adopted to roll the heated blank for multiple times to obtain the section steel bar.
And conveying the section steel bar material to a cooling bed through a roller way for air cooling, and conveying the section steel bar material to a straightening process after the air cooling.
The process of the present invention is described in detail below:
a method for producing an automotive wheel lock ring, the method comprising:
s1, carrying out hot rolling on the lock ring profile steel, and rolling the lock ring profile steel by using round steel as a raw material;
wherein, the hot rolling process of the section steel of the lock ring comprises the following steps:
cutting off round steel, namely cutting off the round steel serving as a raw material by using a steel cutting machine to obtain a round steel blank;
heating the blank, namely heating the round steel blank to obtain a heated blank;
the billet heating step includes:
two U-shaped groove tracks are longitudinally arranged in parallel, and cylindrical heat-resistant rods are sequentially placed in the U-shaped grooves;
the section steel blank is transversely placed on the heat-resistant bar;
and pushing the heat-resistant rod by using a pusher to feed the section steel blank into a heating furnace for heating to obtain a heated blank. The steel pusher is adopted to push the heat-resistant rod, and then the section steel blank is placed into the heating furnace, so that abnormal phenomena such as derailment and the like caused by directly pushing the blank are avoided.
Rolling, namely rolling the heated blank to obtain a section steel bar material;
in the rolling procedure, a bearing rolling mill is adopted to roll the heated blank for multiple times to obtain the section steel bar.
And conveying the section steel bar material to a cooling bed through a roller way for air cooling, and conveying the section steel bar material to a straightening process after the air cooling.
And straightening, namely straightening the rolled blank to obtain the lock ring section steel.
S2, rolling, namely performing online rolling on the lock ring section steel to obtain a rolled blank;
in the rolling procedure, the lock ring section steel with 12-18 times of length is rolled on line to obtain a rolled blank, and the rolled blank is in a spring shape; the edge rolling is carried out on line, the end cropping is reduced, the material utilization rate is improved, and the rolling efficiency is improved.
S3, cutting, namely cutting the rolled blank to obtain a cut blank; and (5) putting the round blanks into a cutting die one by one, and starting a press machine to cut.
S4, spot welding, wherein the cut blank is spot welded to obtain a spot-welded blank;
in the spot welding process, the cut blank is placed on a spot welding platform, a closing device is started to close the cut blank, spot welding is carried out after closing, and the spot-welded blank is obtained.
S5, heating, namely heating the spot-welded blank by using a heating furnace to obtain a heated blank;
in the heating procedure, the blank after spot welding is placed on a platform of a heating furnace, and is sent into the heating furnace for heating to 850-950 ℃ to obtain the heated blank. The heating furnace adopts a stepping heating furnace, is flexible in material transportation and uniform in heating, and can discharge all furnace burden outside the furnace when necessary.
S6, pressing and forming, namely pressing the heated blank into a preset shape to obtain a formed blank;
in the pressing and forming process, the heated blank is placed into a die by a tool, the heated blank is pressed by starting a press machine and is pressed into a preset shape, and the blank is uniformly heated and has good dimensional stability. And (3) putting the formed blanks in stacks on a turnover trolley for air cooling, and conveying the air-cooled blanks to a milling and prying process by utilizing the turnover trolley for every 50-70 formed blanks in stacks.
S7, milling and prying the opening, and milling and prying the formed blank to obtain a milled and pryed opening blank;
in the milling and prying process, the formed blank is placed on a pneumatic clamping device of a milling machine, a switch is started to clamp the formed blank, the prying opening is milled after a workpiece is clamped, the pneumatic clamping device is adopted to replace manual clamping, the efficiency is improved by 20%, and the labor intensity is reduced.
And S8, removing welding spots and burrs, and removing the welding spots and the burrs of the blank after milling and prying to obtain the locking ring. The welding spot of the lock ring is smooth and clean, and no burrs are left on the prying opening and the section.
And S9, inspecting a finished product, namely placing the lock ring on an inspection platform to inspect the flatness of the lock ring, sleeving the lock ring on an inspection mandrel to inspect the size of the opening, wherein the flatness and the size of the opening both meet the standard requirements.
In the scheme, the production method of the automobile wheel lock ring adopts round steel as a raw material, reduces the processing procedures of the lock ring, reduces the production cost and has high production efficiency; the round is rolled on line, the head cutting is reduced, and the material utilization rate is high; and heating after spot welding, and performing press forming after heating to obtain a formed blank, wherein the forming effect is good, and the dimensional stability is good.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the description of the present invention, it is to be understood that the terms "upper", "one end", and the like, indicate orientations or positional relationships only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that the terms "provided with" and "connected" are to be interpreted broadly, unless explicitly stated or limited otherwise. For example, the connection can be fixed, detachable or integrated; may be directly connected or indirectly connected through an intermediate. The fixed connection can be common technical schemes such as welding, threaded connection and clamping. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A production method of an automobile wheel lock ring is characterized by comprising the following steps:
the lock ring is hot-rolled by using section steel, and round steel is used as a raw material to roll the lock ring section steel;
scribing, namely scribing on the lock ring section steel to obtain a scribed blank;
rolling, namely performing online rolling on the lock ring section steel to obtain a rolled blank;
cutting, namely cutting the round blank to obtain a cut blank;
spot welding, namely spot welding is carried out on the cut blank to obtain a spot-welded blank;
welding, namely welding the spot-welded blank to obtain a welded blank;
removing the weld reinforcement, and removing the weld reinforcement from the welded blank to obtain a blank with the weld reinforcement removed;
heating, namely heating the spot-welded blank by using a heating furnace to obtain a heated blank;
pressing and forming, namely pressing the heated blank to a preset shape to obtain a formed blank;
punching a notch, namely punching the notch on the round blank to obtain a notch punched blank;
flattening, namely flattening the blank subjected to notch punching to obtain a flattened blank;
milling and prying the opening, namely milling and prying the formed blank to obtain a blank with the milled and pried opening;
removing welding spots and burrs, and removing the welding spots and the burrs of the blank after milling and prying to obtain a locking ring;
and (5) checking, namely checking the lock ring to obtain a finished lock ring.
2. The method for producing a lock ring for automobile wheels according to claim 1, wherein the hot rolling of the section steel of the lock ring comprises:
cutting off round steel, namely cutting off the round steel serving as a raw material by using a steel cutting machine to obtain a round steel blank;
heating the blank, namely heating the round steel blank to obtain a heated blank;
rolling, namely rolling the heated blank to obtain a section steel bar material;
and straightening, namely straightening the section steel bar material to obtain the lock ring section steel.
3. The method for producing the automobile wheel lock ring according to claim 1, wherein in the spot welding process, the cut blank is placed on a spot welding platform, a closing device is started to close the cut blank, and spot welding is performed after closing to obtain a spot-welded blank.
4. The method for producing the automobile wheel lock ring according to claim 1, wherein in the rolling step, the lock ring section steel with 12 to 18 times of length is rolled on line to obtain a rolled blank;
in the milling and prying step, the formed blank is placed on a pneumatic clamping device of a milling machine, and milling and prying are carried out after the formed blank is clamped, so that a blank with a milled and pryed opening is obtained;
in the pressing forming process, the formed blanks are piled on a turnover trolley for air cooling, and the turnover trolley is used for conveying the air-cooled blanks to a milling and prying opening process.
5. The method for producing the automobile wheel lock ring according to claim 1, wherein in the heating step, the spot-welded blank is placed on a platform of a heating furnace, and is sent into the heating furnace to be heated to 850 ℃ and 950 ℃ to obtain the heated blank.
6. The method for producing a wheel lock ring for automobiles according to claim 1, wherein in the heating step, the heating furnace is a step furnace.
7. The method for producing a vehicle wheel lock ring according to claim 1, wherein the method for producing a lock ring further comprises a finish inspection, wherein the lock ring is placed on an inspection platform to inspect the flatness of the lock ring, and the lock ring is sleeved on an inspection mandrel to inspect the size of the opening.
8. The method for producing a vehicle wheel lock ring according to claim 2, wherein the blank heating step comprises:
two U-shaped groove tracks are longitudinally arranged in parallel, and heat-resistant bars are sequentially placed in the U-shaped grooves;
the section steel blank is transversely placed on the heat-resistant bar;
and pushing the heat-resistant rod by using a pusher to send the section steel blank into a heating furnace for heating to obtain a heated blank.
9. The method for manufacturing a vehicle wheel lock ring according to claim 2, wherein in the rolling step, the heated blank is rolled in a plurality of passes by a bearing rolling mill to obtain a shaped steel bar.
10. The method for producing the automobile wheel lock ring according to claim 2, wherein the steel bar is conveyed to a cooling bed through a roller way to be air-cooled, and then is conveyed to the straightening process after the air-cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232355.5A CN114434091A (en) | 2020-11-06 | 2020-11-06 | Production method of automobile wheel lock ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232355.5A CN114434091A (en) | 2020-11-06 | 2020-11-06 | Production method of automobile wheel lock ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114434091A true CN114434091A (en) | 2022-05-06 |
Family
ID=81361982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011232355.5A Withdrawn CN114434091A (en) | 2020-11-06 | 2020-11-06 | Production method of automobile wheel lock ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114434091A (en) |
-
2020
- 2020-11-06 CN CN202011232355.5A patent/CN114434091A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220506 |
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| WW01 | Invention patent application withdrawn after publication |