CN105127692A - Production method of semi-closed U-shaped metal groove with inner skid resistance tooth hooks - Google Patents
Production method of semi-closed U-shaped metal groove with inner skid resistance tooth hooks Download PDFInfo
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- CN105127692A CN105127692A CN201510646236.7A CN201510646236A CN105127692A CN 105127692 A CN105127692 A CN 105127692A CN 201510646236 A CN201510646236 A CN 201510646236A CN 105127692 A CN105127692 A CN 105127692A
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a production method of a semi-closed U-shaped metal groove with inner skid resistance tooth hooks, aiming at producing a metal section having a skid resistance function. The method comprises the steps of smelting by adopting the metal section or a metal raw material and casting a casting blank; preparing an expanding section blank the size of which corresponds to that of a finished product section; preparing a semi-finished product blank; and preparing the semi-closed U-shaped metal groove of which the inner side of the roll rim is provided with zigzag-shaped or dovetail-shaped hooks. The production method disclosed by the invention can be used for producing steel hook U-shaped groove with the inner skid resistance tooth hooks and aluminium alloy and titanium alloy tooth U-shaped grooves, can also be used for producing magnesium alloy, zinc alloy tooth U-shaped grooves, and is wide in application range, high in production efficiency and low in production cost; the semi-closed U-shaped metal groove with inner skid resistance tooth hooks is more conveniently connected with a T-shaped bolt, accurate in positioning and good in skid resistance movement, has no inner stress and corner crack and is suitable for various installation, suspension and connection, and the semi-closed U-shaped metal groove with the inner skid resistance tooth hooks is formed by one fire.
Description
Technical field
The present invention relates to metal material processing and forming method, particularly a kind of production method of semi-closed port " U " the shape metallic channel with interior anti-slop serrations hook.
Background technology
Semi-closed port " U " shape metallic channel is used for connecting and structure use, be divided into non-ferrous metal and ferrous metal two kinds of materials, its cross section is English alphabet " U " shape, hook with zigzag or swallow-tail form anti-slop serrations inside U-shaped crimping, be applied in the fields such as tunnel, glass curtain wall, Aero-Space, locomotive, machine-building.Existing production method is that: Gang Ban – itemize-pressure hooks-bending-finished product, and brake forming is clod wash.Said method exists that internal stress is large, there is the shortcoming such as crackle, two pyrogene materials in bight.
Summary of the invention
The invention provides a kind of production method of semi-closed port " U " the shape metallic channel with interior anti-slop serrations hook, be intended to produce the shape with antiskid function.
With a production method for semi-closed port " U " the shape metallic channel that interior anti-slop serrations hooks, the method comprises the following steps:
A presses material and the dimensional requirement of finished product metallic channel, adopts shape, or adopts raw metal to carry out smelting and casting strand;
B. the normal temperature metal section bar adopted is sent into heating furnace heating, then feeding mill milling or feeding forging machine forge, or send into extruder extrusion process; The high temperature strand adopting raw metal to carry out smelting directly is sent into mill milling or send into forging machine and forge, or send into extruder extruding, make the expansion cross section base corresponding with finished section bar size;
C. expansion cross section base is sent into roller press and carry out roll extrusion, during roll extrusion, be fixed on the roller finder on a swing roller, teeth or dovetail are linked continuous roll extrusion and enter to launch cross section base corresponding finished product semi-closed port crimping inner tines hook position, make semi-finished product base;
D. semi-finished product base is sent into bending machine to bend, bend through 4-13 road, make inside semi-closed port crimping with " U " shape metallic channel that zigzag or dovetail hook.
The metal mentioned in described step a includes non-ferrous metal, ferrous metal and alloy thereof.
The rolling mentioned in described step b comprises continuous, the semicontinuous and reciprocating rolling of line.
The roller press mentioned in described step c is provided with 1 to 4 and is parallel to each other and the rotating shaft that rotates in opposite direction of adjacent two axles, and rotating shaft is provided with the roller that shape hook-shaped with anti-slop serrations is identical.
The roll extrusion mentioned in described step c is cold rolling, hot roll extrusion or hot rolling, and cold rolling temperature is normal temperature; Hot rolling temperatures is 350 DEG C to 1050 DEG C; Hot rolling temperature is 100 DEG C to 850 DEG C.
The surface external of the semi-finished product base mentioned in described step c has sawtooth or dovetail teeth to hook.
That mentions in described steps d is bent into clod wash, hot bending or warm curved, and Cold Bending Temperature is normal temperature; Hot bending temperature is 350 DEG C to 1050 DEG C; The curved temperature of temperature is 100 DEG C to 850 DEG C.
The present invention is compared with existing congenic method, and its significant beneficial effect is embodied in:
The present invention only in existing shape hot rolling production process, need increase hot roller press and carries out rolling step and thermal flexure operation, just obtains a kind of semi-closed port " U " shape groove shape hooked with interior anti-slop serrations.The present invention both can produce anti-slop serrations in band and hook steel-tooth " U " shape groove, aluminium alloy, titanium alloy tooth " U " shape groove, magnesium alloy, Zinc alloy tooth " U " shape groove can also be produced, its applied range, production efficiency are high, production cost is low, connect convenient with tommyhead bolt, accurate positioning, antiskid performance is good, internal stress free and corner crack, one-heating forming, is applicable to various dress and hangs connection.
Accompanying drawing explanation
Fig. 1 is band sawtooth steel five limit " U " the shape metallic channel cross sectional representation adopting the present invention to produce.
Fig. 2 is band sawtooth aluminium matter seven limit " U " the shape metallic channel cross sectional representation adopting the present invention to produce.
Fig. 3 is that the band dovetail adopting the present invention to produce hooks titanium alloy five limit " U " shape metallic channel cross sectional representation.
Detailed description of the invention
Embodiment 1
The present embodiment is with sawtooth semi-closed port steel five limit " U " shape metallic channel to produce 30*25mm, specifically describes the present invention.
As shown in Figure 1, a kind of semi-closed port " U " shape metallic channel hooked with interior anti-slop serrations, its material is Q345B, and the production method step of this metallic channel is as follows:
A. press the chemical composition of finished product " U " shape metallic channel, select diameter 100mm round steel or 100mm square steel to be raw material;
B. raw material is sent into heating furnace and be heated to 1050 DEG C, after then sending into Φ 450 roughing mill rolling 5 passage, then send into Φ 350 tandem mill rolling 4 passage, be rolled into the expansion cross section base of wide 76mm, the thick 2.8mm of waist, this cross section base temperature is 960 DEG C;
C. expansion cross section base is sent into 12 roller roller press and carry out hot roll extrusion, starting hot rolling temperatures is 930 DEG C, after 1 road roll extrusion, makes the semi-finished product base that there is the wide sawtooth of 5mm on upper surface both sides;
D. semi-finished product base is sent into 62 roller hot-bending machines to carry out Continuous Heat and bend, start hot bending temperature 900 DEG C, semi-closed port steel " U " the shape groove made 30*25mm and be with serrated teeth to hook is bent through 6 roads, section is five limits " U " shape, wide 30mm, high 25mm, the A/F 14mm on semi-closed port limit, seam width 8mm, in crimping, anti-slop serrations hooks as zigzag, tooth depth 2.0mm, facewidth 5mm, tooth pitch 3mm, sawtooth drift angle 60 °, bending final temperature 870 DEG C.
Embodiment 2
The present embodiment is with sawtooth semi-closed port aluminium matter seven limit " U " shape metallic channel to produce 40*22, specifically describes the present invention.
As shown in Figure 2, a kind of semi-closed port " U " shape groove hooked with interior anti-slop serrations, its material is aluminium alloy, and section is seven limits " U " shape, and the production method step of this metallic channel is as follows:
A. smelt by the chemical composition of " U " shape metallic channel, and continuous casting becomes 120*120 aluminium strand;
B. after high temperature aluminum strand directly being sent into Φ 450 roughing mill rolling 7 passage, then send into Φ 350 tandem mill rolling 4 passage, start rolling temperature is 500 DEG C, is rolled into the expansion cross section base of wide 92mm, the thick 3mm of waist, and this cross section base temperature is 470 DEG C;
C. expansion cross section base is sent into 12 roller roller press and carry out hot roll extrusion, start hot rolling temperatures 460 DEG C, after 1 road roll extrusion, make the semi-finished product base that there is the wide sawtooth of 5mm on upper surface both sides;
D. after semi-finished product base being cooled to normal temperature, send into 12 2 roller forming mills carry out continuous cold bend, through 12 roads, the bending 40*22mm that makes is with sawtooth semi-closed port aluminium matter seven limit " U " shape groove, section is seven limits " U " shape, upper hem width 20mm, the long 14mm of left and right hypotenuse, side straight flange height 12mm are semi-closed port below, seam width 8mm, in crimping, anti-slop serrations hooks as zigzag, tooth depth 1.5mm, facewidth 5mm, tooth pitch 3mm, sawtooth drift angle 90 °.
Embodiment 3
The present embodiment is with dovetail to hook semi-closed port titanium alloy five limit " U " shape metallic channel to produce 50*25mm, specifically describes the present invention.
As shown in Figure 3, a kind of semi-closed port " U " shape metallic channel hooked with interior anti-slop serrations, its material is titanium alloy, and section is semi-closed port five limit " U " shape, and the step of this metallic channel production method is as follows:
A. smelt by the chemical composition of titanium alloy " U " shape metallic channel, and cast 110*110 strand;
B. strand after cooling is sent into heating furnace and be heated to 950 DEG C, after sending into Φ 450 roughing mill rolling 7 passage, then send into Φ 350 tandem mill rolling 6 passage, be rolled into the expansion cross section base of wide 109mm, the thick 4.0mm of waist, this cross section base temperature 860 DEG C;
C. expansion cross section base is sent into 12 roller roller press and carry out hot roll extrusion, start hot rolling temperatures 830 DEG C, after 1 road roll extrusion, make the semi-finished product base that there are 62 ° of dovetail angles on upper surface both sides;
D. semi-finished product base is sent into 62 roller hot-bending machines to carry out Continuous Heat and bend, start hot bending temperature 830 DEG C, bend through 6 roads and make 50*25mm, band dovetail semi-closed port titanium alloy " U " shape groove, section is semi-closed port five limit " U " shape, wide 50mm, high 25mm, the A/F 22mm on semi-closed port limit, seam width 14mm, in crimping, anti-slop serrations hooks as swallow-tail form, 62 °, dovetail angle, bending final temperature 770 DEG C.
Claims (7)
1. a production method for semi-closed port " U " the shape metallic channel of the interior anti-slop serrations hook of band, is characterized in that the method comprises the following steps:
A presses material and the dimensional requirement of finished product metallic channel, adopts shape, or adopts raw metal to carry out smelting and casting strand;
B. the normal temperature metal section bar adopted is sent into heating furnace heating, then feeding mill milling or feeding forging machine forge, or send into extruder extrusion process; The high temperature strand adopting raw metal to carry out smelting directly is sent into mill milling or send into forging machine and forge, or send into extruder extruding, make the expansion cross section base corresponding with finished section bar size;
C. expansion cross section base is sent into roller press and carry out roll extrusion, during roll extrusion, be fixed on the roller finder on a swing roller, teeth or dovetail are linked continuous roll extrusion and enter to launch cross section base corresponding finished product semi-closed port crimping inner tines hook position, make semi-finished product base;
D. semi-finished product base is sent into bending machine to bend, bend through 4-13 road, make inside semi-closed port crimping with " U " shape groove that zigzag or dovetail hook.
2. the production method of a kind of semi-closed port " U " shape metallic channel with interior anti-slop serrations hook according to claim 1, is characterized in that the metal mentioned in described step a includes non-ferrous metal, ferrous metal and alloy thereof.
3. the production method of a kind of semi-closed port " U " shape metallic channel with interior anti-slop serrations hook according to claim 1, is characterized in that the rolling mentioned in described step b comprises continuous, the semicontinuous and reciprocating rolling of line.
4. the production method of a kind of semi-closed port " U " shape metallic channel with interior anti-slop serrations hook according to claim 1, it is characterized in that the roller press mentioned in described step c is provided with 1 to 4 and is parallel to each other and the rotating shaft that rotates in opposite direction of adjacent two axles, rotating shaft is provided with the roller that shape hook-shaped with anti-slop serrations is identical.
5. the production method of a kind of semi-closed port " U " shape metallic channel with interior anti-slop serrations hook according to claim 1, it is characterized in that the roll extrusion mentioned in described step c is cold rolling, hot roll extrusion or hot rolling, cold rolling temperature is normal temperature; Hot rolling temperatures is 350 DEG C to 1050 DEG C; Hot rolling temperature is 100 DEG C to 850 DEG C.
6. the production method of a kind of semi-closed port " U " shape metallic channel with interior anti-slop serrations hook according to claim 1, is characterized in that the surface external of the semi-finished product base mentioned in described step c has sawtooth or dovetail teeth to hook.
7. the production method of a kind of semi-closed port " U " shape metallic channel hooked with interior anti-slop serrations according to claim 1, it is characterized in that mentioning in described steps d to be bent into clod wash, hot bending or temperature curved, Cold Bending Temperature is normal temperature; Hot bending temperature is 350 DEG C to 1050 DEG C; The curved temperature of temperature is 100 DEG C to 850 DEG C.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108131553A (en) * | 2018-01-15 | 2018-06-08 | 江门市蓬江区欧罗富五金橡胶制品有限公司 | Heavy burden beam |
CN108480415A (en) * | 2018-03-20 | 2018-09-04 | 中冶赛迪工程技术股份有限公司 | A kind of online roll-in thermoforming process of hot plate/band and its application |
CN109351820A (en) * | 2018-09-10 | 2019-02-19 | 中冶赛迪技术研究中心有限公司 | A kind of molded production method of hot-rolling of member openings to following formula |
CN109915174A (en) * | 2019-04-08 | 2019-06-21 | 无锡商业职业技术学院 | A kind of rail tunnel folding teeth channel steel and its preparation process |
CN110043788A (en) * | 2019-05-05 | 2019-07-23 | 浙江海迈材料科技有限公司 | A kind of building support Two bors d's oeuveres channel steel |
CN111421052A (en) * | 2019-12-19 | 2020-07-17 | 东北大学无锡研究院 | Folding inclined leg Halfen channel steel and preparation method thereof |
CN112108834A (en) * | 2020-07-29 | 2020-12-22 | 苏州正赞轨道交通科技有限公司 | Production method of hollow open rod piece |
CN115106730A (en) * | 2022-08-08 | 2022-09-27 | 聊城产研创新发展有限公司 | Manufacturing method of welding embedded groove |
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CN102240891A (en) * | 2011-05-23 | 2011-11-16 | 武汉钢铁(集团)公司 | Method for producing hot-rolling U-shaped steel sheet pile with residual stress less than 100 MPa |
CN104400368A (en) * | 2014-11-19 | 2015-03-11 | 罗光政 | Method for manufacturing metal rack by virtue of profiling rolling |
CN104759892A (en) * | 2015-03-23 | 2015-07-08 | 中冶赛迪工程技术股份有限公司 | Channel section steel production system and production method thereof |
CN104831190A (en) * | 2015-04-18 | 2015-08-12 | 罗光政 | Atmospheric-corrosion-resistant low-temperature-brittleness-resistant pre-embedded groove and production method thereof |
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Patent Citations (5)
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US5247736A (en) * | 1989-11-28 | 1993-09-28 | Carrier Corporation | Method of manufacturing a multipiece eccentric shaft |
CN102240891A (en) * | 2011-05-23 | 2011-11-16 | 武汉钢铁(集团)公司 | Method for producing hot-rolling U-shaped steel sheet pile with residual stress less than 100 MPa |
CN104400368A (en) * | 2014-11-19 | 2015-03-11 | 罗光政 | Method for manufacturing metal rack by virtue of profiling rolling |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108131553A (en) * | 2018-01-15 | 2018-06-08 | 江门市蓬江区欧罗富五金橡胶制品有限公司 | Heavy burden beam |
CN108480415A (en) * | 2018-03-20 | 2018-09-04 | 中冶赛迪工程技术股份有限公司 | A kind of online roll-in thermoforming process of hot plate/band and its application |
CN109351820A (en) * | 2018-09-10 | 2019-02-19 | 中冶赛迪技术研究中心有限公司 | A kind of molded production method of hot-rolling of member openings to following formula |
CN109915174A (en) * | 2019-04-08 | 2019-06-21 | 无锡商业职业技术学院 | A kind of rail tunnel folding teeth channel steel and its preparation process |
CN110043788A (en) * | 2019-05-05 | 2019-07-23 | 浙江海迈材料科技有限公司 | A kind of building support Two bors d's oeuveres channel steel |
CN110043788B (en) * | 2019-05-05 | 2024-02-27 | 浙江海迈材料科技股份有限公司 | Double-spliced groove steel for building support |
CN111421052A (en) * | 2019-12-19 | 2020-07-17 | 东北大学无锡研究院 | Folding inclined leg Halfen channel steel and preparation method thereof |
CN112108834A (en) * | 2020-07-29 | 2020-12-22 | 苏州正赞轨道交通科技有限公司 | Production method of hollow open rod piece |
CN115106730A (en) * | 2022-08-08 | 2022-09-27 | 聊城产研创新发展有限公司 | Manufacturing method of welding embedded groove |
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