CN110586746A - Check ring processing technology - Google Patents
Check ring processing technology Download PDFInfo
- Publication number
- CN110586746A CN110586746A CN201910934550.3A CN201910934550A CN110586746A CN 110586746 A CN110586746 A CN 110586746A CN 201910934550 A CN201910934550 A CN 201910934550A CN 110586746 A CN110586746 A CN 110586746A
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- CN
- China
- Prior art keywords
- check ring
- cutting
- blank
- rolling
- punching
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention provides a check ring processing technology, and belongs to the technical field of forklift wheels; the processing technology of the check ring comprises the following working procedures: cutting a blank, heating, rolling, cooling, rolling, marking, cutting, closing and leveling, finishing, checking, marking, punching a long hole, punching a prying opening, removing burrs and packaging. The processing technology of the check ring adopts on-line multi-time-scale rolling, thereby reducing the removed stub bars and improving the material utilization rate; the roller way is adopted to convey the profile steel, and the conveying belt is adopted to convey the check ring blank, so that the continuous operation is realized, and the production efficiency is improved; the lower cutter of the cutting die consists of a left blade and a right blade, and the stress at the cut is uniform and does not deform during cutting; because the fracture is neat, the opening aligning and the leveling after closing up and leveling are not misplaced.
Description
Technical Field
The invention relates to the technical field of forklift wheels, in particular to a processing technology of a check ring.
Background
The existing processing method of the check ring for the two-piece forklift wheel with the diameter of 12 inches or less adopts rolled section steel bars (3-6 times of the length) to obtain the check ring through the processes of rolling, cutting, leveling, finishing, punching long holes, punching prying openings and polishing, and has the defects of low production efficiency, serious cutting deformation, dislocation of broken openings after leveling and the like.
Disclosure of Invention
The invention aims to provide a check ring processing technology to solve the problems of low production efficiency, serious cutting deformation and dislocation of a fracture after leveling of a conventional processing method of a 12-inch or less two-piece type check ring for forklift wheels.
In order to solve the technical problems, the invention provides the following technical scheme:
a check ring processing technology comprises the following steps: cutting a blank, heating, rolling, cooling, rolling, marking, cutting, closing and leveling, finishing, checking, marking, punching a long hole, punching a prying opening, removing burrs and packaging.
The processing technology of the check ring comprises the following specific steps:
cutting off the blank: taking a square billet as a raw material, and cutting the square billet into multiple lengths by using a steel cutting machine;
heating: heating the cut square billet by using a heating furnace;
rolling: rolling the heated square billet to obtain a check ring section steel bar material;
and (3) cooling: conveying the check ring section steel bar material to a cooling bed for cooling;
rolling: sending the cooled retainer ring section steel strip to an online rounding machine for rounding to obtain a spring-shaped ring blank;
scribing: scribing the ring blank by adopting a special scribing tool;
cutting: cutting the ring blank at the scribing position to obtain a check ring blank;
closing and leveling: closing and leveling the check ring blank by using a closing machine;
and (3) finishing: placing the check ring blank subjected to closing and leveling into a finishing die for finishing;
and (4) checking: taking out the finished check ring blank, and sleeving the check ring blank on a check mandrel for checking;
pressing a mark: placing the check ring blank qualified in the inspection on a character pressing die for marking;
punching a long hole: placing the check ring blank after the mark is pressed on a punching die, and punching a long hole at a position 40 +/-10 mm away from the fracture size;
punching a prying opening: punching a prying opening for the check ring blank after punching the long hole, wherein the prying opening corresponds to the long hole;
removing burrs: checking the fracture, the punched hole and the prying opening, and if the burr is larger than 0.3mm, removing the burr to obtain a check ring;
packaging: and placing the check rings orderly, stacking according to the required quantity, packaging by adopting a packaging material, and marking to obtain a finished product.
And in the blank cutting process, the upper and lower cutter grooves of the cutting cutter are matched with the size of the square blank.
Wherein, in the heating procedure, the heating furnace is a three-section type heating furnace, and the heating temperature is controlled to 1150-1250 ℃.
Wherein, in the rolling step, the heated billet is subjected to 11-13 passes of rolling.
In the cutting step, a cutting die is used for cutting, and a lower cutter of the cutting die is composed of a left blade and a right blade.
In the closing-up leveling procedure, the closing-up machine is provided with two sets of closing-up devices.
In the inspection procedure, the clearance between the finished retainer ring blank and the inspection mandrel is not more than 1.5mm, the clearance gradually decreases along the circumference, and the opening is 5 +/-2 mm; the weight of the finished check ring blank in a free state is 10-15 mm.
Wherein the cross-sectional dimension of the billet is 120 x 120 or more.
The technical scheme of the invention has the following beneficial effects:
in the scheme, the check ring processing technology adopts online multi-time ruler rolling, thereby reducing the removed stub bars and improving the material utilization rate; continuous operation is realized, and the production efficiency is high.
Drawings
FIG. 1 is a sectional view of a steel strip for a retainer ring in the process for manufacturing the retainer ring according to the present invention;
FIG. 2 is a top view of a retainer ring in the retainer ring processing of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a view taken along line B of FIG. 3;
FIG. 5 is a schematic view of inspection in the process of manufacturing the retainer ring according to the present invention.
1. A long hole;
2. and (5) prying the opening.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a check ring processing technology which is suitable for batch processing of check rings for two-piece forklift wheels of 12 inches or less, and specifically comprises the following steps: cutting a blank, heating, rolling, cooling, rolling, marking, cutting, closing and leveling, finishing, checking, marking, punching a long hole, punching a prying opening, removing burrs and packaging.
The processing technology of the check ring comprises the following specific steps:
cutting off the blank: taking a square billet as a raw material, and cutting the square billet into multiple lengths by using a steel cutting machine;
heating: heating the cut square billet by using a heating furnace;
rolling: rolling the heated square billet to obtain a check ring steel strip material shown in figure 1;
and (3) cooling: the retainer ring section steel bar material is conveyed to the front of the cooling bed through a conveying roller way and is pushed to the cooling bed by a pusher dog mechanism for cooling;
rolling: sending the cooled retainer ring section steel strip to an online rolling machine through a conveying roller way, feeding a rolling roller for rolling to obtain a spring-shaped ring blank;
scribing: scribing the ring blank by adopting a special scribing tool, and conveying the scribed ring blank to the side of the lifter by using a ground rail trolley;
cutting: starting a lifter to enable a rocker arm to fall to the bottom, pushing a ring blank, enabling the rocker arm of the lifter to be inserted into the inner side of the ring blank, lifting the lifter and swinging the rocker arm to a punch press position, arranging a ball on the rocker arm, easily pulling the ring blank to a cutting die, aligning a scribing position, and stepping down a foot switch to sequentially cut off the ring blank to obtain a check ring blank;
closing and leveling: placing the check ring blank in a closing device of a closing machine, and closing and leveling the check ring blank;
and (3) finishing: conveying the check ring blank subjected to closing and leveling to the side of a friction press by a conveying belt, putting the check ring blank into a finishing die, and then starting the friction press by two hands to finish, so that safety accidents caused by misoperation are avoided;
and (4) checking: as shown in fig. 5, the finished retainer ring blank is taken out and sleeved on the inspection mandrel for inspection;
pressing a mark: conveying check ring blanks qualified through inspection to the side of a character pressing machine through a conveying belt, enabling fractures to face an operator, placing the check ring blanks on a character pressing die, and treading down a foot switch to press marks, wherein handwriting is clear;
punching a long hole: conveying the check ring blank subjected to mark pressing to the side of a punch press by a conveying belt, placing the check ring blank on a punching die, and punching a long hole 1 shown in the figure 4 at a position 40 +/-10 mm away from the fracture size;
punching a prying opening: transferring the check ring blank subjected to long hole punching to the next station, punching a prying opening 2 shown in figure 2, wherein the position of the prying opening 2 corresponds to that of the long hole 1, and alpha is 17-20 degrees;
removing burrs: checking the fracture, the punched hole and the prying port, and if the burr is larger than 0.3mm, removing the burr to obtain the check ring shown in figure 3;
packaging: and placing the check rings orderly, stacking according to the required quantity, packaging by adopting a packaging material, and marking to obtain a finished product.
In the blank cutting process, the upper and lower cutter grooves of the cutting cutter are matched with the size of the square blank, and the fracture is not easy to deform.
In the heating procedure, the heating furnace is a three-section type heating furnace, the heating temperature is controlled to 1150-.
In the rolling procedure, the heated square billet is rolled for 11-13 times, and lifting platforms are arranged at the front and the rear of the first two parallel rolling mills so as to meet the requirement of multi-pass back-and-forth rolling of the billet; the back three tandem rolling mills realize continuous rolling, and the finished rolling mill adopts a bearing type rolling mill, so that the rolling precision is high and stable.
In the cutting process, the cutting die adopts double cutting, namely the lower cutter consists of a left blade and a right blade, and the stress at the cut part is uniform and does not deform during cutting.
In the closing and leveling procedure, the fracture is neat, and the opposite openings are flush and not dislocated after closing and leveling; the necking machine is provided with two sets of necking devices, so that two workers can operate and use at the same time, and the production efficiency is improved.
In the inspection procedure, the clearance between the finished retainer ring blank and the inspection mandrel is not more than 1.5mm, the clearance gradually decreases along the circumference, and the opening is 5 +/-2 mm; the weight of the finished check ring blank in a free state is 10-15 mm.
Wherein the cross-sectional dimension of the billet is 120 x 120 or more.
In the scheme, the check ring processing technology adopts online multi-time ruler rolling, thereby reducing the removed stub bars and improving the material utilization rate; the roller way is adopted to convey the profile steel, and the conveying belt is adopted to convey the check ring blank, so that the continuous operation is realized, and the production efficiency is improved; the lower cutter of the cutting die consists of a left blade and a right blade, and the stress at the cut is uniform and does not deform during cutting; because the fracture is neat, the opening aligning and the leveling after closing up and leveling are not misplaced.
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 (9)
1. The processing technology of the check ring is characterized by comprising the following steps of: cutting a blank, heating, rolling, cooling, rolling, marking, cutting, closing and leveling, finishing, checking, marking, punching a long hole, punching a prying opening, removing burrs and packaging.
2. The processing technology of the check ring according to claim 1, characterized by comprising the following specific steps:
cutting off the blank: taking a square billet as a raw material, and cutting the square billet into multiple lengths by using a steel cutting machine;
heating: heating the cut square billet by using a heating furnace;
rolling: rolling the heated square billet to obtain a check ring section steel bar material;
and (3) cooling: conveying the check ring section steel bar material to a cooling bed for cooling;
rolling: sending the cooled retainer ring section steel strip to an online rounding machine for rounding to obtain a spring-shaped ring blank;
scribing: scribing the ring blank by adopting a special scribing tool;
cutting: cutting the ring blank at the scribing position to obtain a check ring blank;
closing and leveling: closing and leveling the check ring blank by using a closing machine;
and (3) finishing: placing the check ring blank subjected to closing and leveling into a finishing die for finishing;
and (4) checking: taking out the finished check ring blank, and sleeving the check ring blank on a check mandrel for checking;
pressing a mark: placing the check ring blank qualified in the inspection on a character pressing die for marking;
punching a long hole: placing the check ring blank after the mark is pressed on a punching die, and punching a long hole at a position 40 +/-10 mm away from the fracture size;
punching a prying opening: punching a prying opening for the check ring blank after punching the long hole, wherein the prying opening corresponds to the long hole;
removing burrs: checking the fracture, the punched hole and the prying opening, and if the burr is larger than 0.3mm, removing the burr to obtain a check ring;
packaging: and placing the check rings orderly, stacking according to the required quantity, packaging by adopting a packaging material, and marking to obtain a finished product.
3. The process for manufacturing a check ring according to claim 2, wherein in the blank cutting step, the upper and lower blade grooves of the cutting blade are adapted to the size of the square billet.
4. The processing technology of a check ring according to claim 2, wherein in the heating step, the heating furnace is a three-stage heating furnace, and the heating temperature is controlled to 1150-1250 ℃.
5. The process for producing a retainer ring according to claim 2, wherein the heated billet is subjected to 11 to 13 passes of rolling in the rolling step.
6. The process for manufacturing a gasket according to claim 2, wherein in the cutting step, the cutting is performed by using a cutting die, and a lower blade of the cutting die is composed of two left and right blades.
7. The processing technology of the check ring according to claim 2, wherein in the closing-up leveling procedure, the closing-up machine is provided with two sets of closing-up devices.
8. The check ring processing technology according to claim 2, wherein in the inspection process, the clearance between the finished check ring blank and the inspection mandrel is not more than 1.5mm, and gradually decreases along the circumference, and the opening is 5 ± 2 mm; the weight of the finished check ring blank in a free state is 10-15 mm.
9. The retainer ring processing method according to claim 2, wherein the square billet has a cross-sectional dimension of 120 x 120 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934550.3A CN110586746A (en) | 2019-09-29 | 2019-09-29 | Check ring processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910934550.3A CN110586746A (en) | 2019-09-29 | 2019-09-29 | Check ring processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110586746A true CN110586746A (en) | 2019-12-20 |
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ID=68864876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910934550.3A Pending CN110586746A (en) | 2019-09-29 | 2019-09-29 | Check ring processing technology |
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| CN (1) | CN110586746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207201A (en) * | 2020-10-20 | 2021-01-12 | 东风汽车有限公司 | Continuous machining forming method for conical check ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1055738A2 (en) * | 1999-05-28 | 2000-11-29 | Honda Giken Kogyo Kabushiki Kaisha | Method of manufacturing laminated ring and heat treatment apparatus for use in such method |
| CN101486140A (en) * | 2009-03-05 | 2009-07-22 | 安阳市宏源型钢有限责任公司 | Technology for manufacturing wheeled engineering machinery vehicle spokerib board and special-purpose vertical coiling machine |
| CN103341726A (en) * | 2013-06-20 | 2013-10-09 | 河南省宏源车轮有限公司 | Manufacturing technology of retaining snap ring for multi-piece small-sized engineering wheel and die |
| CN108608802A (en) * | 2018-07-04 | 2018-10-02 | 河南宏源车轮股份有限公司 | A kind of fork truck Wheel retainer ring structure and its processing technology |
| CN109967979A (en) * | 2019-04-18 | 2019-07-05 | 宏源精工车轮股份有限公司 | A kind of earthmoving machinery wheel slot circle processing technology |
-
2019
- 2019-09-29 CN CN201910934550.3A patent/CN110586746A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1055738A2 (en) * | 1999-05-28 | 2000-11-29 | Honda Giken Kogyo Kabushiki Kaisha | Method of manufacturing laminated ring and heat treatment apparatus for use in such method |
| CN101486140A (en) * | 2009-03-05 | 2009-07-22 | 安阳市宏源型钢有限责任公司 | Technology for manufacturing wheeled engineering machinery vehicle spokerib board and special-purpose vertical coiling machine |
| CN103341726A (en) * | 2013-06-20 | 2013-10-09 | 河南省宏源车轮有限公司 | Manufacturing technology of retaining snap ring for multi-piece small-sized engineering wheel and die |
| CN108608802A (en) * | 2018-07-04 | 2018-10-02 | 河南宏源车轮股份有限公司 | A kind of fork truck Wheel retainer ring structure and its processing technology |
| CN109967979A (en) * | 2019-04-18 | 2019-07-05 | 宏源精工车轮股份有限公司 | A kind of earthmoving machinery wheel slot circle processing technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207201A (en) * | 2020-10-20 | 2021-01-12 | 东风汽车有限公司 | Continuous machining forming method for conical check ring |
| CN112207201B (en) * | 2020-10-20 | 2022-08-19 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Continuous machining forming method for conical check ring |
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Application publication date: 20191220 |