CN112975300A - All-terrain dune buggy steering gear housing and warm-cold composite forging production process thereof - Google Patents
All-terrain dune buggy steering gear housing and warm-cold composite forging production process thereof Download PDFInfo
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- CN112975300A CN112975300A CN202110305644.1A CN202110305644A CN112975300A CN 112975300 A CN112975300 A CN 112975300A CN 202110305644 A CN202110305644 A CN 202110305644A CN 112975300 A CN112975300 A CN 112975300A
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- blank
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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
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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
- 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
Abstract
The invention discloses an all-terrain dune buggy steering gear casing which is a hollow cylindrical structure with a flange and comprises an outer wall and an inner cavity, wherein the inner cavity is formed by a central circular cavity and three ball channel cavities uniformly distributed outside the central circular cavity, the outer wall is of a circular structure provided with grooves, three pairs of the grooves are longitudinally arranged on the outer wall and correspond to the ball channel edges of the inner cavity, and the outer wall is also provided with an assembly port. The warm-cold composite forging production process comprises the following steps: firstly, blanking; heating and upsetting; forming an inner cavity; annealing treatment; making blank, shot blasting and phosphorus saponification treatment; sixthly, stretching the shell by cold extrusion; seventhly, annealing treatment is carried out; eighthly, finishing the inner cavity; ninthly, machining; quenching and tempering treatment for red coke. By adopting the technical scheme, the steering gear box shell has the advantages of good internal organization, high density, high strength, impact resistance, good comprehensive mechanical property of products and stable quality, reduces cutting processing, saves metal materials, shortens the production period and improves the production efficiency.
Description
Technical Field
The invention relates to a body temperature cold composite forging production process of a direction case of an all-terrain dune buggy.
Background
The all-terrain dune buggy steering gear casing is mainly used for the steering system of the all-terrain dune buggy steering gear casing, the product is special in shape, the appearance and the inner cavity are of special-shaped structures, all-terrain dune buggy types are different, the steering gear casing is long or short, generally is divided into different series such as 220 plus 360mm, the appearance of the adjacent flange section is circular, the shape of the lower surface of the cylinder is special, and the head part of the cylinder is provided with a three-lug special-shaped flange edge with the thickness of 10 mm. The existing all-terrain dune buggy steering gear shell produced and processed generally adopts a casting method to cast a blank, then lathes and mills an inner circle and an outer circle, and then uses a broach to broach an inner hole. The steering machine shell of the all-terrain dune buggy produced by the process has the advantages of poor compactness of materials, poor impact resistance, low strength, large processing allowance and long production period. The steering gear housing is easy to crack, and the like, and can not adapt to the development trend of the current automobile industry.
Disclosure of Invention
The invention provides a warm-cold composite forging production process aiming at the technical problem of producing the steering gear housing of the all-terrain dune buggy by mechanical cutting after the existing die-casting forming, which can improve the compactness, impact resistance and comprehensive mechanical property of the steering gear housing of the all-terrain dune buggy and improve the product quality; the waste of metal materials in cutting processing is reduced, the production period is shortened, and the production efficiency is improved.
The invention is realized by the following technical scheme:
the utility model provides an all terrain sandy beach car steering gear casing, its cavity tubular structure for having the flange, includes outer wall and inner chamber, the inner chamber constitute by central circle chamber and the outer evenly distributed's of central circle chamber three ball channel chamber, the outer wall for setting up notched circular structure, the recess be three vertical settings on the outer wall to corresponding with the lane edge of inner chamber, still be provided with the assembly opening on the outer wall.
The warm-cold composite forging production process of the steering gear housing of the all-terrain dune buggy comprises the following steps:
feeding: cutting out the metal bar by a circular sawing machine according to the drawing; shot blasting graphite coating: performing shot blasting treatment on the prepared blank, and removing oxide skin on the surface; heating the blank to 220 +/-20 ℃, and then carrying out surface thin graphite coating to prevent the surface of the heated metal material from decarbonizing;
heating and upsetting: heating the blank with the graphite coating on the surface to 860 +/-20 ℃, putting the blank into an upsetting die for warm forging and upsetting, and forming an outer wall and a flange of a circular structure;
forming an inner cavity: the blank after upsetting the flange is timely placed into an inner cavity forming die to be extruded to form an inner cavity structure with a bottom (5);
annealing treatment: heating the blank with the formed inner cavity to 580 +/-10 ℃, keeping the temperature for 4 hours, cooling the blank to below 450 ℃ along with the furnace, discharging the blank from the furnace, and air-cooling the blank to remove the stress of the product;
making a blank: turning to remove the bottom 5 of the product; shot blasting: performing shot blasting treatment on the prepared blank, and removing oxide skin on the surface; phosphorus saponification: the surface of the blank is phosphorized and saponified to ensure surface lubrication and create conditions for cold forging metal flow;
sixthly, cold extrusion and stretching: putting the phosphorized and saponified blank into a die to cool and extrude and stretch the shell;
seventhly, re-annealing treatment: heating the blank after cold extrusion and stretching to 580 +/-10 ℃, preserving heat for 4 hours, cooling to below 450 ℃ along with the furnace, discharging from the furnace, air cooling, and removing the stress of the product; shot blasting: performing shot blasting treatment on the prepared blank, and removing oxide skin on the surface; phosphorus saponification: the surface of the blank is phosphorized and saponified to ensure surface lubrication and create conditions for cold forging metal flow;
eighthly, finishing an inner cavity: putting the phosphorized and saponified blank into a die for cold extrusion finishing, and improving the precision of the inner cavity;
ninthly, machining: end face turning: turning and flattening two end faces; drilling: drilling three assembly mounting holes on the flange surface; milling a contour groove: milling a groove on the outer wall for subsequent assembly; machining an assembly opening according to drawing requirements;
quenching and tempering treatment for red (R) carburization: carburizing and quenching, namely heating the machined part to 870 +/-10 ℃, preserving heat for 120 minutes, cooling the part in quenching oil at the temperature of 60 ℃, cooling the part for 30 minutes, and cleaning and removing impurities such as oil stains and the like after cooling the part for improving the surface hardness of the product and increasing the strength of the product; and (4) tempering, namely heating the cleaned parts to 570 +/-10 ℃, preserving heat for 120 minutes, and cooling by water to finally form the product.
The inner cavity forming step is carried out in two steps, wherein part of the inner cavity is formed first, and then the whole inner cavity is formed.
Compared with the prior art, the invention has the following beneficial effects:
by adopting the technical scheme, the steering gear box has the advantages of good internal organization, high density, high strength, impact resistance, good comprehensive mechanical property of products, stable quality, reduction of cutting processing, saving of metal materials, shortening of production period, improvement of production efficiency and capability of meeting the use requirements of the steering gear box of the all-terrain all-.
Drawings
FIG. 1 is a schematic structural view of a steering gear housing of an all terrain beach vehicle in accordance with an embodiment of the present invention;
FIG. 2 is a flow chart of the process for deforming the blank of the steering gear housing of the all terrain dune buggy according to the embodiment of the invention.
Number in the figure: 1. Flange, 2, outer wall, 3, inner chamber, 4, recess, 5, bottom, assembly opening.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples with reference to the accompanying drawings.
Example (b): referring to fig. 1, the steering gear housing of the all-terrain dune buggy is a hollow cylindrical structure with a flange 1, and comprises an outer wall 2 and an inner cavity 3, wherein the inner cavity 3 is composed of a central circular cavity and three ball channel cavities uniformly distributed outside the central circular cavity, the outer wall 2 is of a circular structure provided with grooves 4, the grooves 4 are three pairs of grooves which are longitudinally arranged on the outer wall 2 and correspond to the ball channel edges of the inner cavity 3, the outer wall 2 is also provided with an assembly port 6, and the part of the outer wall 2 close to the flange 1 is of a circular structure.
Referring to fig. 2, the warm-cold composite forging production process of the steering gear housing of the all-terrain dune buggy comprises the following steps:
discharging and shot blasting a graphite coating: cutting out the metal bar according to the drawing by using a circular sawing machine, performing shot blasting treatment after blank making, and removing surface oxide skin; heating the blank to 220 +/-20 ℃ to carry out surface thin graphite coating so as to prevent the surface of the heated metal material from decarbonizing;
heating and upsetting: heating the blank with the graphite coating on the surface to 860 +/-20 ℃, putting the blank into an upsetting die for warm forging and upsetting, and forming an outer wall 2 and a flange 1 which are of a circular structure;
forming an inner cavity: putting the blank after upsetting the flange 1 into an inner cavity forming die in time for extrusion, firstly forming a part of inner cavity, then forming the whole inner cavity, and finally forming an inner cavity structure with a bottom 5;
annealing treatment: heating the blank with the formed inner cavity to 580 +/-10 ℃, keeping the temperature for 4 hours, cooling the blank to below 450 ℃ along with the furnace, discharging the blank from the furnace, and air-cooling the blank to remove the stress of the product;
fifthly, shot blasting and phosphorization saponification treatment of the blank: turning to remove the bottom 5, performing shot blasting treatment after blank making to remove surface oxide skin, and performing phosphating and saponification treatment on the surface of the blank to ensure surface lubrication and create conditions for cold forging metal flow;
sixthly, cold extrusion and stretching: putting the phosphorized and saponified blank into a die to cool and extrude and stretch the shell;
seventhly, re-annealing treatment: heating the blank after cold extrusion and stretching to 580 +/-10 ℃, preserving heat for 4 hours, cooling to below 450 ℃ along with the furnace, discharging from the furnace, air cooling, and removing the stress of the product; performing shot blasting phosphorization saponification treatment to ensure surface lubrication and create conditions for cold forging metal flow;
eighthly, finishing an inner cavity: putting the phosphorized and saponified blank into a die for cold extrusion finishing, and improving the precision of the inner cavity;
ninthly, machining: turning and flattening the end face of the finished blank; drilling three assembly mounting holes on the surface of the flange 1; milling a contour groove: milling a groove 4 on the outer wall 2, and cutting, machining and milling an assembly opening 6 on the outer wall 2 according to the requirements of a drawing for subsequent assembly;
quenching and tempering treatment for red (R) carburization: carburizing and quenching, namely heating the machined part to 870 +/-10 ℃, preserving heat for 120 minutes, cooling the part in quenching oil at the temperature of 60 ℃, cooling the part for 30 minutes, improving the surface hardness of the part, increasing the strength of the product, and cleaning and removing impurities such as oil stains; and tempering, namely heating the cleaned parts to 570 +/-10 ℃, preserving the heat for 120 minutes, and cooling by water to finally form the product.
The embodiments are only for the purpose of facilitating understanding of the technical solutions of the present invention, and do not constitute a limitation to the scope of the present invention, and any simple modification, equivalent change and modification made to the above solutions without departing from the contents of the technical solutions of the present invention or the technical spirit of the present invention still fall within the scope of the present invention.
Claims (3)
1. The utility model provides an all terrain sandy beach car steering gear casing, its cavity tubular structure for having flange (1), including outer wall (2) and inner chamber (3), inner chamber (3) constitute by central circle chamber and the outer evenly distributed's of central circle chamber three ball channel chamber, outer wall (2) for the circular structure that is provided with recess (4), its characterized in that: the grooves (4) are longitudinally arranged on the outer wall (2) in three pairs and correspond to the lane edge of the inner cavity (3), and the outer wall (2) is also provided with an assembly port (6).
2. The all terrain dune buggy steering housing of claim 1 wherein: the warm-cold composite forging production process comprises the following steps:
feeding: cutting out the metal bar by a circular sawing machine according to the drawing; shot blasting graphite coating: performing shot blasting treatment on the prepared blank, and removing oxide skin on the surface; heating the blank to 220 +/-20 ℃, and then carrying out surface thin graphite coating;
heating and upsetting: heating the blank with the graphite coating on the surface to 860 +/-20 ℃, putting the blank into an upsetting die for warm forging and upsetting, and forming an outer wall (2) and a flange (1) with a circular structure;
forming an inner cavity: the blank after upsetting the flange is timely placed into an inner cavity forming die to be extruded to form an inner cavity structure with a bottom (5);
annealing treatment: heating the blank with the formed inner cavity to 580 +/-10 ℃, keeping the temperature for 4 hours, cooling the blank to below 450 ℃ along with the furnace, discharging the blank out of the furnace and air cooling the blank;
making a blank: turning to remove the bottom (5) of the product; shot blasting: performing shot blasting treatment on the prepared blank, and removing oxide skin on the surface; phosphorus saponification: carrying out phosphating and saponification treatment on the surface of the blank;
sixthly, cold extrusion and stretching: putting the phosphorized and saponified blank into a die to cool and extrude and stretch the shell;
seventhly, re-annealing treatment: heating the blank after cold extrusion and stretching to 580 +/-10 ℃, preserving heat for 4 hours, cooling to below 450 ℃ along with the furnace, discharging and air cooling; shot blasting: performing shot blasting treatment on the prepared blank, and removing oxide skin on the surface; phosphorus saponification: carrying out phosphating and saponification treatment on the surface of the blank;
eighthly, finishing an inner cavity: putting the phosphorized and saponified blank into a die for cold extrusion finishing;
ninthly, machining: end face turning: turning and flattening two end faces; drilling: drilling three assembling and mounting holes on the surface of the flange (1); milling a contour groove: milling a groove (4) on the outer wall (2); machining an assembly opening (6) according to the requirements of a drawing;
quenching and tempering treatment for red (R) carburization: carburizing and quenching, namely heating the machined part to 870 +/-10 ℃, preserving heat for 120 minutes, cooling the part in quenching oil at the temperature of 60 ℃, cooling the part for 30 minutes, and cleaning and removing impurities such as oil stains and the like; and (4) tempering, namely heating the cleaned parts to 570 +/-10 ℃, preserving heat for 120 minutes, and cooling by water to finally form the product.
3. The all terrain dune buggy steering housing of claim 2 wherein: the inner cavity forming step is carried out in two steps, wherein part of the inner cavity is formed first, and then the whole inner cavity is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305644.1A CN112975300A (en) | 2021-03-23 | 2021-03-23 | All-terrain dune buggy steering gear housing and warm-cold composite forging production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305644.1A CN112975300A (en) | 2021-03-23 | 2021-03-23 | All-terrain dune buggy steering gear housing and warm-cold composite forging production process thereof |
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| CN112975300A true CN112975300A (en) | 2021-06-18 |
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| CN202110305644.1A Withdrawn CN112975300A (en) | 2021-03-23 | 2021-03-23 | All-terrain dune buggy steering gear housing and warm-cold composite forging production process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653878A (en) * | 2022-05-05 | 2022-06-24 | 江苏威鹰机械有限公司 | Warm-cold composite forging production process for hollow shaft sleeve of transmission shaft of SUV passenger vehicle |
| CN114850366A (en) * | 2022-05-05 | 2022-08-05 | 江苏威鹰机械有限公司 | Warm-cold composite forging production process for steering wheel rotor of passenger car |
| CN115106728A (en) * | 2022-07-20 | 2022-09-27 | 江苏龙城精锻集团有限公司 | Steel cover plate part of air-conditioning compressor and manufacturing process thereof |
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2021
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| JPH11236925A (en) * | 1997-12-19 | 1999-08-31 | Honda Motor Co Ltd | Constant velocity joint and manufacture thereof |
| JP2007040419A (en) * | 2005-08-03 | 2007-02-15 | Honda Motor Co Ltd | Tri-port type constant velocity universal joint |
| CN101733350A (en) * | 2008-11-14 | 2010-06-16 | 江苏威鹰机械有限公司 | Production technology for blanking by using a through-hole type universal joint finish forging pot shell capable of moving axially |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114653878A (en) * | 2022-05-05 | 2022-06-24 | 江苏威鹰机械有限公司 | Warm-cold composite forging production process for hollow shaft sleeve of transmission shaft of SUV passenger vehicle |
| CN114850366A (en) * | 2022-05-05 | 2022-08-05 | 江苏威鹰机械有限公司 | Warm-cold composite forging production process for steering wheel rotor of passenger car |
| CN115106728A (en) * | 2022-07-20 | 2022-09-27 | 江苏龙城精锻集团有限公司 | Steel cover plate part of air-conditioning compressor and manufacturing process thereof |
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Application publication date: 20210618 |
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