CN105033042A - Production technology of winch support - Google Patents
Production technology of winch support Download PDFInfo
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- CN105033042A CN105033042A CN201510323651.9A CN201510323651A CN105033042A CN 105033042 A CN105033042 A CN 105033042A CN 201510323651 A CN201510323651 A CN 201510323651A CN 105033042 A CN105033042 A CN 105033042A
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- winch support
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- winch
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Abstract
The invention provides a production technology of a winch support and belongs to the technical field of production and manufacturing of winches. The production technology solves the technical problem that the strength of an existing winch support is low. The production technology of the winch support includes the following steps that a, plate materials are prepared, wherein primitive plates made of medium carbon steel materials are taken and shorn into plate materials for manufacturing the winch support, and the plate materials are placed on a stamping platform; b, impressing is performed, wherein two parallel and spaced impressing marks are pressed on the plate materials in a stamping manner; c, medium frequency heating is performed, wherein the plate materials are transferred to a medium frequency furnace and used for performing local medium-frequency heating on the impressing marks; and d, stamping forming is performed, wherein the plate materials are moved back to the stamping platform, and stamping is performed along the impressing marks so that the plate materials can form the U-shaped winch support. The winch support is made from the medium carbon steel materials. The production technology is improved. While the strength of the winch support made from the medium carbon steel is improved, stamping forming is smoothly performed through impressing, integrating, detecting and other procedures, the precision of the support is improved, and the yield of finished products is increased.
Description
Technical field
The invention belongs to machinery manufacturing technology field, design a kind of production technology of winch, particularly a kind of production technology of winch support.
Background technology
Winch be a kind of reel lay winding wire ropes or chain to draw the small-sized crane gear of weight, also known as hoist engine; It can be used alone, also can as lifting, build the road and building block in the machinery such as mine hoisting, because of simple to operate, wiring amount is large, dislocation convenient and the material lifting or put down that is widely used in the places such as building, hydraulic engineering, forestry, mine, harbour is dragged.Usual winch all comprises winch support and is arranged on the rotary reel on support, solderless wrapped connection rope on reel; Because the reel that winch support connects needs solderless wrapped connection rope, winch support needs to make U-shaped, reel is connected on the two side of winch support, rope has enough spatial dimensions to be wound around on reel, winch support adopts punch forming mostly, winch support of the prior art all adopts mild steel to make, and its hardness is low, is convenient to shaping; Its procedure of processing generally includes shear, blanking, punch forming, boring etc.
China's patent (notification number: CN102059523A; Publication date: 2011-05-18) disclose a kind of processing method of winch frame in winch of petroleum drilling machine, implement according to following steps, be provided with two technological datum II at base upper surface along on the equidirectional same axis in horizontal spindle hole; The backboard outer surface of single axle turntable main body arranges technological datum I, and paying on backboard outer surface in multiaxial type turntable main body arranges technological datum III, the processing of step 1, spindle hole; The processing in each hole on step 2, left and right side plate; The processing of step 3, side plate and fishplate bar assembly; The sharp processing of step 4, left and right side plate.
The winch support that traditional forging or casting technique are produced has the shortcomings such as intensity is weak, low precision, by arranging benchmark in above-mentioned patent, its precision can be ensured to a certain extent, but adopt traditional material and traditional pressing and jointing technique to be difficult to ensure the intensity of turntable.
Summary of the invention
The present invention is directed to the problems referred to above that existing technology exists, provide a kind of production technology of winch support, technical problem to be solved by this invention is: the intensity how improving winch support.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
A production technology for winch support, is characterized in that, this technique comprises the following steps:
A, plate prepare: draw materials as the original plate of medium carbon steel cuts into the plate manufacturing winch support, and be placed in stamping station;
B, impression: adopt impact style on plate, extrude the impression of two parallel interval;
C, heating in medium frequency: plate is transferred in intermediate frequency furnace and local heating in medium frequency is carried out to impression place;
D, punch forming: plate is moved back to stamping station, and make plate become U-shaped winch support along impression punching press.
Its principle is: winch support adopts sheet metal forming usually, and for the ease of punch forming, winch support of the prior art adopts low-carbon steel material, its hardness is lower, intensity is weak, adopts the plate manufacture of medium carbon steel, improve hardness and intensity in the technical program.In order to smooth machine-shaping, in the technical program, have employed impression and heating in medium frequency treatment process, by stamping out impression in advance, ensure that heating in medium frequency position and being again placed on the position of stamping station, thus the precision of guarantee punching press; By in intermediate frequency furnace to the local heat of stamping position, make plate impression place reduce hardness, realize mild steel material punch forming, improve the forming property of material, make the plate internal stress after punching press more even, prevent crackle from producing, improve the bearing strength of sheet-metal press working bending place.
Adopt the sheet material of medium carbon steel material in the technical program, adopt the preheating method of heating in medium frequency in intermediate frequency furnace to be conducive to lowering the maximum hardness of medium carbon steel heat affected area, prevent cold crack, and reduce residual stress.Winch support volume is comparatively large, carries out local preheating, can improve the efficiency of heating surface; The medium carbon steel of high strength has certain plasticity, toughness and intensity, and machinability is good, carries out preheating, heat-treats after punch forming, make it have good comprehensive mechanical property after modifier treatment before punch forming.
In the production technology of above-mentioned winch support, between step a and b, plate is polished, and plate near two ends position respectively punching press to portal one and hole two, then to hole one and hole two and slab perimeter chamfering.Plate after polishing is smooth, easy to use, and hole one and hole two are for installing reel.As an alternative, breach can be offered at square plate two ends for setting up reel, and carry out spacing to the axis of reel.
In the production technology of above-mentioned winch support, in stepb, impression makes recessed in the middle part of plate and forms angle α with plate both sides, and α is 3 ° ~ 8 °.α is preferably 5 °, by impressing in advance, when plate being placed again stamping station, can ensure that the relevant position of plate and diel is accurate, being convenient to follow-up punching press.After preliminary impression, the resistance of follow-up punching press can be reduced, be convenient to shaping.
In the production technology of above-mentioned winch support, in step C, be transferred in the coil of intermediate frequency furnace at plate impression place and carry out heating in medium frequency, intermediate frequency furnace power is 60KW ~ 120KW, and the heat time is 6S ~ 10S.Moved to by plate in intermediate frequency furnace, make the coil encircling of intermediate frequency furnace at the impression place of plate, produce medium frequency electric magnetic wave by coil circulating current and heat plate impression place, the efficiency of heating surface is high, and heating location is accurate and even.
In the production technology of above-mentioned winch support, in step C, as further preferred version, the heating power of intermediate frequency furnace is 80KW ~ 100KW, and the heat time is 7S ~ 9S.For general winch, this heating power and heat time can reach higher production efficiency and cost performance.
In the production technology of above-mentioned winch support, in steps d, in the plate 10S after heating in medium frequency, move back to stamping station.Consider from station period and temperature requirement, be preferably 2S-3S, ensure suitable preheat temperature.
In the production technology of above-mentioned winch support, step e, detection and integer is increased: stamping forming winch support is detected after steps d, utilize testing tool to detect stamping forming winch support Sidewall angles and whether reach standard, adjustment correction is carried out to the Sidewall angles of non-compliant winch support.Special testing tool is adopted to detect stamping forming effect during detection; The winch support mating shapes of this testing tool and standard, can be set in from the top down on the U-shaped sidewall of winch support, if can sheathedly accurately enter, side shows that winch support punch forming is good, if testing tool can not be set on the U-shaped sidewall of winch support, side show stamping forming shape and angle wrong, by integer liquidate swaging become two Sidewall angles carry out adjustment revise, reduction error; Ensure that each punching press winch support out can conform with the regulations standard with this.
In the production technology of above-mentioned winch support, after step e, increase step f, heat treatment: winch support entirety is heat-treated.By heat-treating the winch support of entirety, improve its hardness and intensity.
Compared with prior art, the present invention has the following advantages:
1, in the present invention, winch support adopts medium carbon steel material to make, and improves production technology, while utilizing medium carbon steel manufacture winch support to improve its intensity, adopts the smooth punch formings of operation such as impression, integer, detection, improves precision and the yield rate of support.
2, the impression place of heating in medium frequency mode to plate is adopted to carry out local heat in the present invention, realize mild steel material punch forming, and improve the forming property of material, make the plate internal stress after punching press more even, prevent crackle from producing, improve the bearing strength of sheet-metal press working bending place.
3, in the present invention by heat-treating the winch support of entirety, improve its hardness and intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation in step a;
Fig. 2 is the structural representation in step b;
Fig. 3 is the structural representation in steps d;
Fig. 4 is the perspective view of winch support;
Fig. 5 is process chart of the present invention.
In figure, 1, winch support; 2, Kong Yi; 3, hole two; 4, impression; 5, plate; 6, stamping station.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figures 1 to 5, in the present embodiment, the production technology of winch support comprises the following steps:
A, plate 5 prepare: draw materials as the original plate of medium carbon steel cuts into the plate 5 manufacturing winch support 1, and be placed in stamping station 6;
As preferably, plate 5 is long strip-board shape;
Plate 5 is polished, and plate 5 near two ends position respectively punching press to portal one 2 and hole 23, then to hole 1 and hole 23 and plate 5 peripheral chamfer, the plate 5 after polishing is smooth, easy to use, and hole 1 and hole 23 are for installing reel;
B, impression: adopt impact style on plate 5, stamp out the impression 4 of two parallel interval; In stepb, impression makes recessed in the middle part of plate 5 and forms angle α with plate 5 both sides, and α is 3 ° ~ 8 °; In the present embodiment, α is preferably 5 °, is convenient to follow-up punching press;
C, heating in medium frequency: plate 5 is transferred in intermediate frequency furnace and heating in medium frequency is carried out to impression 4 place; Move in intermediate frequency furnace by plate 5, make the coil encircling of intermediate frequency furnace at impression 4 place of plate 5, adopt coil electricity heating, the power of intermediate frequency furnace is the arbitrary value in 60KW ~ 120KW, and the heat time is the arbitrary value in 6S ~ 10S; As preferred embodiment, the power of intermediate frequency furnace is the arbitrary value in 80KW ~ 100KW, and the heat time is the arbitrary value in 7S ~ 9S;
As preferred plan, the power of intermediate frequency furnace is 90KW, and the heat time is 8S;
Plate 5 after heating in medium frequency moves back to stamping station 6 in 10S, to ensure suitable preheat temperature; Be preferably in 3S;
Heating in medium frequency local is within the scope of the impression periphery 2mm of plate;
D, punch forming: plate 5 is moved back to stamping station 6, and make it into U-shaped winch support 1 along impression 4 punching press;
E, stamping forming winch support 1 to be detected and integer.Special testing tool is adopted to detect stamping forming effect during detection; Winch support 1 mating shapes of this testing tool and standard, can be set in from the top down on the U-shaped sidewall of winch support 1, if can sheathedly accurately enter, side shows that winch support 1 punch forming is good, if testing tool can not be set on the U-shaped sidewall of winch support 1, side show stamping forming shape and angle wrong, by liquidate swaging become two Sidewall angles carry out adjustment revise, reduction error; Ensure that each punching press winch support 1 out can conform with the regulations standard with this;
F, winch support 1 to be heat-treated; By heat-treating the winch support 1 of entirety, improve its hardness and intensity.
Because the reel that winch support 1 connects needs solderless wrapped connection rope, winch support 1 needs to make U-shaped, reel is connected on the two side of winch support 1, and rope has enough spatial dimensions to be wound around on reel, and winch support 1 adopts plate 5 punch forming usually, for the ease of punch forming, conventional winch support 1 adopts low-carbon steel material, and its hardness is lower, and intensity is weak, adopt the plate 5 of medium carbon steel to manufacture in the present embodiment, improve hardness and intensity.In order to the smooth punch forming of mild steel material, impression and heating in medium frequency treatment process is have employed in the present embodiment, by stamping out impression 4 in advance, the precision of punching press can be ensured, be convenient to carry out local heat at impression 4 place of plate 5 simultaneously, utilize the principle that metallized thermoplastic is shaped, realize mild steel material punch forming, and the quenching heat treatment that can realize while being shaped plate 5, improve the forming property of material, make the plate after punching press 5 internal stress more even, reduce the phosphorus content of bending place, prevent crackle from producing, improve the bearing strength of plate 5 punching press bending place.
Move in intermediate frequency furnace by plate 5, make the coil encircling of intermediate frequency furnace at impression 4 place of plate 5, produce medium frequency electric magnetic wave by coil circulating current and heat plate 5 impression 4 place, the efficiency of heating surface is high, and heating location is accurate and even.Be conducive to by the preheating method of heating in medium frequency in intermediate frequency furnace the maximum hardness lowering medium carbon steel heat affected area, prevent cold crack, and reduce residual stress.Winch support 1 volume is comparatively large, carries out local preheating, can improve the efficiency of heating surface; The medium carbon steel of high strength has certain plasticity, toughness and intensity, and machinability is good, carries out preheating, heat-treats after punch forming, make it have good comprehensive mechanical property after modifier treatment before punch forming.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ 1 herein, winch support; 2, Kong Yi; 3, hole two; 4, impression; 5, plate; 6, the term such as stamping station, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. a production technology for winch support, is characterized in that, this technique comprises the following steps:
A, plate (5) prepare: draw materials as the original plate of medium carbon steel cuts into the plate (5) manufacturing winch support (1), and be placed in stamping station (6);
B, impression: adopt impact style at the impression (4) of upper extrusion two parallel interval of plate (5);
C, heating in medium frequency: plate (5) is transferred in intermediate frequency furnace local heating in medium frequency is carried out to impression (4) place;
D, punch forming: plate (5) is moved back to stamping station (6), and make plate (5) become U-shaped winch support (1) along impression (4) punching press.
2. the production technology of a kind of winch support according to claim 1, is characterized in that, in stepb, impression makes plate (5) middle part recessed and forms angle α with plate (5) both sides.
3. the production technology of a kind of winch support according to claim 2, is characterized in that, described angle α is 3 ° ~ 8 °.
4. the production technology of a kind of winch support according to claim 1 or 2 or 3, it is characterized in that, in step c, plate (5) impression (4) place is transferred in the coil of intermediate frequency furnace and carries out heating in medium frequency, intermediate frequency furnace power is 60KW ~ 120KW, and the heat time is 6S ~ 10S.
5. the production technology of a kind of winch support according to claim 4, is characterized in that, in step c, the heating power of intermediate frequency furnace is 80KW ~ 100KW, and the heat time is 7S ~ 9S.
6. the production technology of a kind of winch support according to claim 5, is characterized in that, in steps d, moves back to stamping station (6) in plate (5) 10S after heating in medium frequency.
7. the production technology of a kind of winch support according to claim 1 and 2, it is characterized in that, step e, detection and integer is increased: stamping forming winch support (1) is detected after steps d, utilize testing tool to detect stamping forming winch support (1) Sidewall angles and whether reach standard, adjustment correction is carried out to the Sidewall angles of non-compliant winch support (1).
8. the production technology of a kind of winch support according to claim 7, is characterized in that, increases step f, heat treatment after step e: heat-treat winch support (1) entirety.
9. the production technology of a kind of winch support according to claim 1 and 2, it is characterized in that, between step a and b, plate (5) is polished, and plate (5) near two ends position respectively punching press to portal one (2) and hole two (3), then to hole one (2) and hole two (3) and plate (5) peripheral chamfer.
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| CN201510323651.9A CN105033042B (en) | 2015-06-12 | 2015-06-12 | A kind of production technology of winch support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110681794A (en) * | 2018-07-06 | 2020-01-14 | 佛吉亚汽车座椅有限责任公司 | Method for producing a component for adjusting a motor vehicle seat having a row of teeth |
| CN114769396A (en) * | 2022-03-10 | 2022-07-22 | 嘉兴雷益铝业有限公司 | Stamping preparation process of U-shaped aluminum profile |
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| DE10020068A1 (en) * | 2000-04-22 | 2001-10-25 | Wolfgang Diem | Method to manufacture box sealed at base and side walls from bent sheet metal section, for solar cooking box; involves perforating bend lines with small slits or holes filled with coating material |
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| CN114769396A (en) * | 2022-03-10 | 2022-07-22 | 嘉兴雷益铝业有限公司 | Stamping preparation process of U-shaped aluminum profile |
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| CN105033042B (en) | 2018-03-16 |
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