CN104625645A - Machining method for thin-wall squared tube - Google Patents
Machining method for thin-wall squared tube Download PDFInfo
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- CN104625645A CN104625645A CN201510015170.1A CN201510015170A CN104625645A CN 104625645 A CN104625645 A CN 104625645A CN 201510015170 A CN201510015170 A CN 201510015170A CN 104625645 A CN104625645 A CN 104625645A
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- 238000003754 machining Methods 0.000 title abstract 5
- 239000000314 lubricant Substances 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 28
- 230000003139 buffering effect Effects 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 146
- 239000007788 liquid Substances 0.000 claims description 43
- 238000007599 discharging Methods 0.000 claims description 31
- 238000007493 shaping process Methods 0.000 claims description 27
- 238000003672 processing method Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 23
- 230000033001 locomotion Effects 0.000 claims description 20
- 239000012809 cooling fluid Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
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- 229920003023 plastic Polymers 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 238000005461 lubrication Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000007791 liquid phase Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000007779 soft material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 36
- 230000008569 process Effects 0.000 abstract description 16
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- 239000010959 steel Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
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Classifications
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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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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a machining method for a thin-wall squared tube and belongs to the technical field of square tube forming processes. The machining method for the thin-wall squared tube mainly includes the following steps that 1 a strip roll is decoiled, wherein the strip roll is unfolded and a strip is discharged; 2 the strip is conveyed actively, wherein the strip is discharged downstream under the action of traction force; 3 buffering speed governing is conducted, wherein the strip is discharged at a constant speed without the action of tensile force, and the active conveying frequency of the strip is controlled; 4 lubricant coating is conducted, wherein the two surfaces of the strip are coated with lubricants; 5 forming is conducted, wherein the strip is gradually bent in a cold mode, so that the strip forms a tube blank with a weld joint and a square section, and the weld joint is located on the upper surface of the tube blank; 6 high-frequency welding is conducted; 7 cooling is conducted; 8 residual liquor is cleaned away; 9 the tube section is accurately shaped; 10 cutting is conducted. The machining method solves the technical problems that existing thin-wall squared tubes are poor in forming quality and low in production efficiency, and the machining method is widely applied to manufacturing thin-wall squared tubes.
Description
Technical field
The present invention relates to a kind of processing method of pipeline, relate more particularly to a kind of processing method of thin-walled square tube, belong to square tube molding technology thereof field.
Background technology
In auto manufacturing, the effect of welded tube is usually used to be to provide a passage, hold compression high temperature air to make it to flow through, these welded tubes are different from structural tube, it does not need to bear larger pressure, therefore often use some thin-walled materials to produce different planforms, meet its use value.
Such as, charge air cooler ratio-frequency welded tube is produced and is made primarily of the welding of thin-wall aluminum alloy band material, the charge air cooler ratio-frequency welded tube radius-thickness ratio made is greater than 50, namely equivalent diameter/raw-material the thickness of charge air cooler ratio-frequency welded tube is greater than 50, charge air cooler ratio-frequency welded tube wall thickness is less than 0.6mm usually, traditional charge air cooler ratio-frequency welded tube production technology adopts first shaping pipe usually, then weld, finally pipe is produced square-section charge air cooler aluminium-alloy pipe by flat tube shaping machine set, when adopting this kind of mode to produce, shaping after welding is empty curved, empty curved be contacted by outer roller and pipe outer wall unidirectional to form curved side band material is bent, because top roll and lower roll produce pressure simultaneously, forming force easily surmounts critical point, cause edge unstability indent, and also can have influence on stable operation of unit and Forming Quality, and it is relatively low to produce charge air cooler ratio-frequency welded tube efficiency.
Therefore, for the processing method of a kind of new thin-walled square tube of exploitation, not only there is urgent researching value, also there are good economic benefit and commercial Application potentiality, this just the power place that is accomplished of the present invention and basis lean on.
Summary of the invention
In order to overcome the defect of the processing method of above-mentioned pointed existing thin-walled square tube, the present inventor, to this has been further investigation, after having paid a large amount of creative work, thus completes the present invention.
Specifically, technical problem to be solved by this invention is: the processing method providing a kind of thin-walled square tube, to solve the technical problem that existing thin-walled square tube Forming Quality is poor, production efficiency is low.
For solving the problems of the technologies described above, technical scheme of the present invention is: the processing method providing a kind of thin-walled square tube, and the processing method of described thin-walled square tube comprises the following steps: (1) band material winds off volume: launched by band material volume, export band material; (2) active conveyer belt material: band material exports to downstream under tractive force effect, and in course of conveying, mouth is broken in the both sides of the edge of expecting at band; (3) speed governing is cushioned: band material constant speed under without tensile force effect exports, the frequency of delivery that control cincture material is initiatively carried; (4) lubricant is coated with: be coated with lubricant on two surfaces of band material; (5) shaping: band to be expected clod wash gradually, make band material form the pipe with the square-section of a weld seam, described weld seam is positioned on the upper surface of described pipe; (6) high-frequency welding: make weld seam form a V-arrangement angle, and pass through high-frequency induction coil, under high-frequency induction coil effect, utilize approach effect and the kelvin effect of high frequency electric, V-arrangement angle place is heated to molten state rapidly, and between mother metal, liquid phase merges, pressure is applied to pipe, under pressure, squeeze the metallurgical binding that unnecessary deposite metal forms mother metal, it is square that formation closes; (7) cool: square tube complete for high-frequency welding is cooled; (8) raffinate is removed: the cooling fluid removing cooled square tube remained on surface; (9) accurately shape in cast cross section: according to tolerance needs, accurately shapes to the cross section of square tube; (10) cut: by the square tube fixed length cutting exported continuously.
In the processing method of described thin-walled square tube of the present invention, improve as one, in step (5), first at the right-angle side of shaping 1/2 length of side in the both sides of the band material with cut, bending forming gradually expected by each band by a length of side again, and the right-angle side of two 1/2 length of sides is drawn close relatively.
In the processing method of described thin-walled square tube of the present invention, as further improvement, in step (5), some compositions are used to carry out cold roll forming to the shaping pair roller arranged, described shaping pair roller includes upper format roll setting up and down and lower forming roller, be provided with bending modular angle between described upper format roll and lower forming roller, the bending modular angle being positioned at the described shaping pair roller in downstream is less than the bending modular angle of the described shaping pair roller of upstream.
In the processing method of described thin-walled square tube of the present invention, improve as one, in step (2), band material active conveying device is used to provide tractive force, described band material initiatively conveying device comprises supporting seat, described supporting seat is rotatablely equipped with a guide roller, the described supporting seat of described guide roller downstream position is provided with an installing rack, described installing rack top is installed with baffle plate, described installing rack is rotatablely equipped with drive roll, described drive roll horizontally set and be positioned at below described baffle plate, be positioned on the described installing rack below described drive roll and be rotatablely equipped with driven voller, the axis of described driven voller and the axial consistent of described drive roll, guide roller described in pile warp successively expected by band, driven voller and drive roll, described installing rack is provided with transverse baffle between described drive roll and driven voller, described transverse baffle is fixedly installed on described installing rack away from described guide roller side, described transverse baffle is installed with scraper, and the blade of described scraper expects the lower surface at edge towards band, the clad that the flexible material of surfaces be clad of described drive roll and driven voller is made.
In the processing method of described thin-walled square tube of the present invention, as further improvement, in step (3), band material active buffer arrangements for speed regulation are used to carry out band material buffering, described band material active buffer arrangements for speed regulation comprise mount pad, described mount pad is provided with the two vertical baffle plates be oppositely arranged, vertically the stock chest that is rectangular shape is formed between baffle plate and mount pad described in two, one end of described stock chest is provided with the first charging aperture, the other end is provided with the first discharging opening, described first charging aperture and the first discharging opening are arranged along the length direction of described stock chest, the described mount pad be positioned at below described first charging aperture is provided with an installing plate, described installing plate is provided with that buffer upper limit level sensor setting up and down is gentle sweeps away limit sensors, described in two, vertical baffle plate is the plastic dam that transparent plastics material is made.
In the processing method of described thin-walled square tube of the present invention, as further improvement, in step (4), use band material surface to be coated with applicator and be coated with lubricant on two surfaces of band material, described band material surface is coated with applicator and comprises support, described support is rotatablely equipped with upper live-rollers setting up and down and lower live-rollers, the lubrication gap be used for by described band material is formed between described upper live-rollers and lower live-rollers, described upper live-rollers and lower live-rollers are equipped with a hollow cavity, feed tube is provided with in described hollow cavity, described upper live-rollers is distributed with several fluid holes being communicated with described hollow cavity with the surface of lower live-rollers, the outer surface of described upper live-rollers and lower live-rollers is all covered with the absorptive element that soft material is made, and the described support be positioned at below described lower live-rollers is provided with and connects liquid box, described in connect liquid box bottom be provided with drain pipe, described drain pipe is communicated with a liquid supply box, is provided with filter element in described liquid supply box, and described feed tube is communicated with described liquid supply box by liquor pump.
In the processing method of described thin-walled square tube of the present invention, as further improvement, in step (7), after using welding, cooling device cools square tube, after described welding, cooling device comprises shower, the first casing be fixed in spray frame is provided with below described shower, along square tube movement locus direction two described in the first casing sidewall on be respectively equipped with the first groove and the second groove, described first groove and the second groove are oppositely arranged, dismountablely on the described sidewall being positioned at described first groove be connected with the first connecting plate, described first connecting plate is provided with the second charging aperture, dismountablely on the described sidewall being positioned at described second groove be connected with the second connecting plate, described second connecting plate is provided with the second discharging opening, described in vertical with square tube movement locus direction two, the top side wall of the first casing is equipped with overfall, described first bottom half is provided with liquid-feeding tube, dividing plate is provided with in described first casing between described overfall and described second discharging opening, described first casing is divided into cooling bath and wiping groove by described dividing plate, described liquid-feeding tube connects described cooling bath, described dividing plate is provided with for the through hole by described square tube, and the both sides being positioned at described square tube movement locus in described wiping groove are equipped with liquid absorption sponge, described spray frame outside described first casing is provided with waste liquid collecting box.
In the processing method of described thin-walled square tube of the present invention, improve as another kind, in step (8), surperficial raffinate scavenge unit is used to know the liquid of square tube remained on surface, described surperficial raffinate scavenge unit comprises the second casing be arranged in cleaning machine frame, described second casing is provided with relatively the 3rd charging aperture and the 3rd discharging opening, a sponge block is provided with in described second casing, described sponge block has one for the passage by square tube, described 3rd charging aperture, described passage and described 3rd discharging opening are all positioned in the direction of motion of square tube; The both sides being positioned at described passage are provided with two pressing plates for clamping described sponge block relatively, the vertical height of described pressing plate is greater than the length of described Box Section, each described pressing plate is all connected with linear drive apparatus, and the direction of motion of described linear drive apparatus is vertical with the direction of motion of square tube.
After have employed technique scheme, the invention has the beneficial effects as follows: because the direct clod wash in forming process of band material becomes to have the pipe of the square-section of weld seam, and weld seam is positioned on the upper surface of square pipe, is convenient to welding fabrication, compare the production technology of traditional thin-walled welding pipe, not only continuity is strong, improve production efficiency, and in forming process, make the two-way compacting of the surfaces externally and internally of band material, rebound little, be applicable to the shaping making of cast of heavy caliber, large radius-thickness ratio.
Due to band material active buffer arrangements for speed regulation devising stock chest, buffer upper limit level sensor is gentle sweeps away limit sensors, one end of described stock chest is provided with the first charging aperture, the other end is provided with the first discharging opening, described buffer upper limit level sensor eases up and sweeps away limit sensors and be all electrically connected with the drive motors of drive roll, thus in process of production, first enter stock chest by the first charging aperture from the band material band material that initiatively conveying device derives, then derive from the first discharging opening and enter remaining production equipment, when being with material bottom near described stock chest top, namely be now with stockline speed too small, buffer upper limit level sensor sends signal transmission to the drive motors of drive roll, the drive motors of drive roll improves rotating speed, improve the linear velocity of band material, when being with material bottom bottom described stock chest, namely be now with stockline speed excessive, buffering lower limit sensor sends signal transmission to the drive motors of drive roll, the drive motors of drive roll reduces rotating speed, reduce the linear velocity of band material, ensure to produce normal operation, the linear velocity of fine adjustment band material, described in two, vertical baffle plate is the plastic dam that transparent plastics material is made, and in process of production, is convenient to the ruuning situation of observation band material.
Applicator is coated with owing to being provided with band material surface, thus the lubricant of feed tube conveying is attached on absorptive element by fluid hole, when being with material by lubrication gap, lubricant on absorptive element can be coated in the surface of band material, scribble the band material of lubricant through remaining production equipment, owing to reducing the coefficient of friction of band material and remaining production equipment, band material is not easily scratched, improve the surface quality of band material, and alleviate the wearing and tearing of remaining production equipment, improve the service life of remaining production equipment; Connect liquid box because the support be positioned at below described lower live-rollers is provided with, the bottom connecing liquid box is provided with drain pipe, the lubricant that absorptive element drips is dropped on and connects in liquid box, avoids lubricant to trickle in external environment condition, causes external environment condition to pollute; Because described drain pipe is communicated with a liquid supply box, filter element is provided with in described liquid supply box, described feed tube is communicated with described liquid supply box by liquor pump, thus the lubricant connect in liquid box can pass back in liquid supply box, feed tube is conveyed into by liquor pump, achieve recycling of lubricant, reduce cost.
Owing to being provided with the rear cooling device of welding, in process of production, shower and liquid-feeding tube pass into cooling fluid simultaneously in the first casing, make to be full of cooling fluid in the first casing, unnecessary cooling fluid flows out from overfall, the second charging aperture and the second discharging opening, and square tube enters in the first casing from the second charging aperture, then derives from the second discharging opening, square tube is made to be immersed in cooling fluid, effect square tube being reached cool completely; Owing to being provided with dividing plate in described first casing between described overfall and described second discharging opening, described first casing is divided into cooling bath and wiping groove by described dividing plate, described liquid-feeding tube connects described cooling bath, described dividing plate is provided with for the through hole by described square tube, the both sides being positioned at described square tube movement locus in described wiping groove are equipped with liquid absorption sponge, liquid absorption sponge can absorb the residual cooling fluid of cooled square tube outer surface, realizes the effect of preliminary clean square tube; Described spray frame outside described first casing is provided with waste liquid collecting box, the cooling fluid flowed out from overfall, the second charging aperture and the second discharging opening enters in the waste liquid collecting box spray frame, effectively prevent pollution production line, reduce the labour intensity of cleaner production line.
Owing to being provided with surperficial raffinate scavenge unit, when square tube is from the 3rd charging aperture admission passage from the process that the 3rd discharging opening is derived, linear drive apparatus drives pressing plate to hold out against in square tube by sponge block, sponge block is utilized to wipe residual cooling fluid, only need regularly replace sponge block, not only cost is low, drops into little, noiselessness, and avoid waste liquor contamination environment.
Accompanying drawing explanation
Fig. 1 is the process frame chart of the embodiment of the present invention;
Fig. 2 is the distortion schematic diagram with material in forming process;
Fig. 3 is the structural representation of band material decoiling equipment in the embodiment of the present invention;
Fig. 4 is the structural representation of the passive buffer unit of band material uncoiling in the embodiment of the present invention;
Fig. 5 is the structural representation of band material active conveying device in the embodiment of the present invention;
Fig. 6 is the structural representation of band material active buffer arrangements for speed regulation in the embodiment of the present invention;
Fig. 7 is the structural representation that in the embodiment of the present invention, band material surface is coated with applicator;
Fig. 8 is the structural representation of cooling device after welding in the embodiment of the present invention;
Fig. 9 is the structural representation of surperficial raffinate scavenge unit in the embodiment of the present invention;
Figure 10 is the structural representation of shaping pair roller in the embodiment of the present invention.
Wherein, in figs. 1-10, each number designation refers to following concrete meaning, element and/or parts respectively.
In figure: 100, band material decoiling equipment, 101, first base, 102, first guide rail, 103, band material volume, 104, first linear drive apparatus, 1041, first supporting seat, 1042, screw rod, 1043, manual turntable, 105, uncoiling frame, 106, first slide block, 107, first servomotor, 108, reel, 109, reduction box, 110, fixed head, 111, brake drum, 200, the passive buffer unit of band material uncoiling, 201, buffering frame, 202, feed roller, 203, discharge roller, 204, second guide rail, 205, second slide block, 206, buffer roll, 207, steel wire rope, 208, balancing weight, 209, fixed pulley, 210, first lower limit sensor, 211, first upper limit sensor, 212, lower bumper, 213, upper bumper, 214, band material, 300, band material initiatively conveying device, 301, supporting seat, 302, guide roller, 303, installing rack, 304, baffle plate, 305, second servomotor, 306, drive roll, 307, driven voller, 308, transverse baffle, 309, scraper, 400, band material active buffer arrangements for speed regulation, 401, mount pad, 402, first vertical baffle plate, 403, second vertical baffle plate, 404, stock chest, 405, first charging aperture, 406, first discharging opening, 407, installing plate, 408, buffer upper limit level sensor, 409, buffering lower limit sensor, 500, band material surface is coated with applicator, 501, support, 502, upper live-rollers, 5021, upper hollow cavity, 5022, upper fluid hole, 503, lower live-rollers, 5031, lower hollow cavity, 5032, lower fluid hole, 504, lubrication gap, 505, upper feed tube, 506, lower feed tube, 507, upper absorptive element, 508, lower absorptive element, 509, connect liquid box, 510, drain pipe, 511, liquid supply box, 512, filter element, 513, liquor pump, 600, cooling device after welding, 601, shower, 602, spray frame, 603, first casing, 6031, first groove, 6032, second groove, 604, first connecting plate, 6041, second charging aperture, 605, second connecting plate, 6051, second discharging opening, 606, overfall, 607, liquid-feeding tube, 608, dividing plate, 6081, through hole, 609, cooling bath, 610, wiping groove, 611, liquid absorption sponge, 700, surface raffinate scavenge unit, 701, cleaning machine frame, 702, second casing, 703, 3rd charging aperture, 704, 3rd discharging opening, 705, sponge block, 7051, first sponge block, 7052, second sponge block, 706, square tube, 707, passage, 708, first pressing plate, 709, second pressing plate, 710, linear drive apparatus, 711, first cylinder, 712, second cylinder, 800, shaping pair roller, 801, upper format roll, 802, lower forming roller, 803, bending modular angle.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.But the purposes of these exemplary embodiments and object are only used for exemplifying the present invention, not any type of any restriction is formed to real protection scope of the present invention, more non-protection scope of the present invention is confined to this.
As shown in Figure 1, a kind of processing method of thin-walled square tube provided by the present invention, the processing method of described thin-walled square tube mainly comprises the following steps: (1) band material winds off volume: launched by band material volume, export band and expect; (2) active conveyer belt material: band material exports to downstream under tractive force effect, and in course of conveying, mouth is broken in the both sides of the edge of expecting at band; (3) speed governing is cushioned: band material constant speed under without tensile force effect exports, the frequency of delivery that control cincture material is initiatively carried; (4) lubricant is coated with: be coated with lubricant on two surfaces of band material; (5) shaping: band to be expected clod wash gradually, make band material form the pipe with the square-section of a weld seam, described weld seam is positioned on the upper surface of described pipe; (6) high-frequency welding: use radio-frequency generator, high frequency switch board, high frequency dedicated transformer, high frequency output automatic feedback system and welding compression roller, high frequency output automatic feedback system is monitored high frequency output in real time and is adjusted, welding compression roller applies pressure to pipe, be well known to those skilled in the art, do not repeat them here; During welding, weld seam is made to form a V-arrangement angle, and by high-frequency induction coil, under high-frequency induction coil effect, utilize approach effect and the kelvin effect of high frequency electric, V-arrangement angle place is heated to molten state rapidly, between mother metal, liquid phase merges, and applies pressure, under pressure to pipe, squeeze the metallurgical binding that unnecessary deposite metal forms mother metal, it is square that formation closes; (7) cool: square tube complete for high-frequency welding is cooled; (8) raffinate is removed: the cooling fluid removing cooled square tube remained on surface; (9) accurately shape in cast cross section: according to tolerance needs, accurately shapes to the cross section of square tube; (10) cut: by the square tube fixed length cutting exported continuously.
Introduce processing step of the present invention in detail below:
In step (1), as shown in Figure 3, band material decoiling equipment 100 is used to be launched by band material volume, band material decoiling equipment 100 comprises the first base 101, first base 101 is installed with two the first guide rails 102 be arranged in parallel, the bearing of trend of the first guide rail 102 expects the axial consistent of volume 103 with band, the uncoiling frame 105 driven by the first linear drive apparatus 104 is provided with above two first guide rails 102, the first slide block 106, first slide block 106 being provided with corresponding every bar first guide rail 102 setting bottom uncoiling frame 105 is slidably mounted on corresponding first guide rail 102; The reel 108 driven by the first servomotor 107 is installed with above uncoiling frame 105, reduction box 109 is provided with between first servomotor 107 and reel 108, reel 108 is through a fixed head 110, fixed head 110 vertically arranges and is positioned at the side of the first base 101, and band material volume 103 is installed on the end that reel 108 passes fixed head 110; Thus in process of production, when being with the bandwidth of material to change, first linear drive apparatus 104 drives uncoiling frame 105 to slide on the first guide rail 102, uncoiling frame 105 is made to be with movable reel 108 to move, regulate the center line of material loading consistent with the center line of subsequent production line, easy and simple to handle, quick, accurate, avoid band material deflection, ensure that normally carrying out of production.
Wherein, first linear drive apparatus 104 comprises the supporting seat 1041 be arranged on the first base 101, supporting seat 1041 is between two first guide rails 102, supporting seat 1041 is rotatablely equipped with screw rod 1042, screw rod 1042 is threadedly connected to bottom uncoiling frame 105, and the end of screw rod 1042 is provided with manual turntable 1043, rotation manual rotating disk 1043, uncoiling frame 105 is moved, easy to adjust; Certain first linear drive apparatus 104 also can be set to hydraulic jack etc., and the piston rod of hydraulic jack is connected with bottom uncoiling frame 105, and those skilled in the art can select voluntarily according to actual conditions, do not repeat them here.
When being with the linear velocity of material excessive, in order to reduce the linear velocity of band material, reel 108 is provided with brake drum 111 between fixed head 110 and the first servomotor 107, and brake drum 111 can reduce the speed of reel 108, thus reduces the linear velocity of band material.
In order to save the material loading time, band material decoiling equipment 100 is provided with two, and two reels 108 be arranged in parallel, when band material decoiling equipment 100 material loading is produced, another band material decoiling equipment 100 can carry out material loading storing, saves the material loading time, improves efficiency.
In order to improve stability, the downstream of band material decoiling equipment 100 is provided with the passive buffer unit 200 of band material uncoiling, as shown in Figure 4, the passive buffer unit 200 of band material uncoiling comprises buffering frame 201, buffering frame 201 is rotatablely equipped with the feed roller 202 and discharge roller 203 that axially be arranged in parallel, buffering frame 201 is provided with vertical the second guide rail 204 arranged, second guide rail 204 is between feed roller 202 and discharge roller 203, second guide rail 204 is provided with the second slide block 205, second slide block 205 is rotatablely equipped with buffer roll 206, more steady in order to make buffer roll 206 move, preferably, second guide rail 204 comprises two vertical guide be arranged in parallel, accordingly, second slide block 205 is provided with two, two second slide blocks 205 are positioned at the two ends of buffer roll 206, band expects pile warp feed roller 202, buffer roll 206 and discharge roller 203 successively, and buffer roll 206 is connected with balancing weight 208 by steel wire rope 207, and steel wire rope 207 pile warp is installed on the fixed pulley 209 at buffering frame 201 top, the below being positioned at buffer roll 206 bottom buffering frame 201 is provided with the first lower limit sensor 210, the top that buffering frame 201 top is positioned at buffer roll 206 is provided with the first upper limit sensor 211, first upper limit sensor 211 and the first lower limit sensor 210 is all electrically connected with the first servomotor 107, buffering frame 201 is provided with lower bumper 212, lower bumper 212 is positioned at the below of the first lower limit sensor 210, lower bumper 212 can be spring or Compress Spring etc., those skilled in the art can select according to actual conditions, do not repeat them here, lower bumper 212 makes, after band material volume discharges, to reduce in the natural dropping process of buffer roll 206 impact bottom buffering frame 201, buffering frame 201 is provided with upper bumper 213, and upper bumper 213 is positioned at the top of the first upper limit sensor 211, and upper bumper 213 can be spring or Compress Spring etc., and those skilled in the art can select according to actual conditions, do not repeat them here, upper bumper 213 makes when the first upper limit sensor 211 damages, and reduces the impact of buffer roll 206 to buffering frame 201 top, avoids buffer roll 206 to be damaged simultaneously.
In process of production, from band material 214 pile warp feed roller 202, buffer roll 206 and the discharge roller 203 successively that band material decoiling equipment 100 is derived, then remaining production equipment is entered, when buffer roll 206 moves to buffering frame 201 top, namely be now with material 214 linear velocity too small, first upper limit sensor 211 sends signal transmission and improves rotating speed to the first servomotor 107, first servomotor 107, improves the linear velocity of band material 214; When buffer roll 206 moves to bottom buffering frame 201, namely be now with material 214 linear velocity excessive, the first lower limit sensor 210 sends signal transmission and reduces rotating speed to the first servomotor 107, first servomotor 107, reduce the linear velocity of band material 214, make band expect 214 linear velocity held stationaries.
In step (2), as shown in Figure 5, band material active conveying device 300 is used to provide tractive force, described band material initiatively conveying device 300 comprises supporting seat 301, supporting seat 301 is rotatablely equipped with a guide roller 302, the supporting seat 301 of guide roller 302 downstream position is provided with an installing rack 303, and installing rack 303 top is installed with baffle plate 304, installing rack 303 is rotatablely equipped with the drive roll 306 driven by the second servomotor 305; Drive roll 306 horizontally set and be positioned at below baffle plate 304, be positioned on the installing rack 303 below drive roll 306 and be rotatablely equipped with driven voller 307, the axis of driven voller 307 and the axial consistent of drive roll 306, band material 214 pile warp guide roller 302, driven voller 307 and drive roll 306 successively, the cornerite being with material 214 is increased, second servomotor 305 drives drive roll 306 to move, and band material 214 is moved forward smoothly and enters follow-up production equipment, ensure that normally carrying out of production; Installing rack 303 is provided with transverse baffle 308 between drive roll 306 and driven voller 307, transverse baffle 308 is fixedly installed in the side away from guide roller 302 on installing rack 303, transverse baffle 308 is installed with scraper 309, the blade of scraper 309 expects the lower surface at edge towards band, mouth is broken on conveyer belt material limit, limit, improves production efficiency.In order to increase the frictional force that band material 214 is carried, the clad that the flexible material of surfaces be clad of drive roll 306 and driven voller 307 is made, clad makes to be with the conveying of material 214 more smooth and easy, elastomeric material selects silica gel usually, rubber etc. can certainly be selected, those skilled in the art specifically can select according to actual conditions, do not repeat them here.
In step (3), as shown in Figure 6, band material active buffer arrangements for speed regulation 400 are used to carry out band material buffering, band material active buffer arrangements for speed regulation 400 comprise mount pad 401, mount pad 401 is provided with the first vertical baffle plate 402 and the second vertical baffle plate 403 be oppositely arranged, first vertical baffle plate 402 and the second vertical baffle plate 403 are the plastic dam that transparent plastics material is made, be convenient to the ruuning situation of observation band material in process of production, first vertical baffle plate 402 and second vertically forms a stock chest 404 in rectangular shape between baffle plate 403 and mount pad 401, one end of stock chest 404 is provided with the first charging aperture 405, the other end is provided with the first discharging opening 406, first charging aperture 405 and the first discharging opening 406 are arranged along the length direction of stock chest 404, the mount pad 401 be positioned at below the first charging aperture 405 is provided with an installing plate 407, installing plate 407 is provided with that buffer upper limit level sensor setting up and down 408 is gentle sweeps away limit sensors 409, buffer upper limit level sensor 408 is gentle to be swept away limit sensors 409 and is all electrically connected with the second servomotor 305.
In process of production, first the band material 214 of deriving from uncoiler enters stock chest 404 by the first charging aperture 405, then derive from the first discharging opening 406 and enter remaining production equipment, when being with close stock chest 404 top bottom material 214, namely be now with material 214 linear velocity too small, buffer upper limit level sensor 408 sends signal transmission and improves rotating speed to the second servomotor 305, second servomotor 305, improves the linear velocity of band material 214; Time bottom band material 214 bottom stock chest 404, namely be now with material 214 linear velocity excessive, buffering lower limit sensor 409 sends signal transmission to the second servomotor 305, second servomotor 305 reduces rotating speed, reduce the linear velocity of band material 214, thus the linear velocity of fine adjustment band material 214, ensure to produce normal operation.
In step (4), as shown in Figure 7, use band material surface to be coated with applicator 500 and be coated with lubricant on two surfaces of band material, described band material surface is coated with applicator 500 and comprises support 501, support 501 is rotatablely equipped with upper live-rollers 502 setting up and down and lower live-rollers 503, the lubrication gap 504 be used for by being with material 214 is formed between upper live-rollers 502 and lower live-rollers 503, upper live-rollers 502 is provided with hollow cavity 5021, feed tube 505 is provided with in upper hollow cavity 5021, lower live-rollers 503 is provided with lower hollow cavity 5031, lower feed tube 506 is provided with in lower hollow cavity 5031, the surface distributed of upper live-rollers 502 has several to be communicated with the upper fluid hole 5022 of upper hollow cavity 5021, the surface distributed of lower live-rollers 503 has several to be communicated with the lower fluid hole 5032 of lower hollow cavity 5031, the outer surface of upper live-rollers 502 is covered with the upper absorptive element 507 that soft material is made, the outer surface of lower live-rollers 503 is covered with the lower absorptive element 508 that soft material is made, upper absorptive element 507 and lower absorptive element 508 are felt, certainly upper absorptive element 507 and lower absorptive element 508 also can select sponge etc., those skilled in the art can according to circumstances specifically select, and do not repeat them here, the support 501 be positioned at below lower live-rollers 503 is provided with and connects liquid box 509, and the bottom connecing liquid box 509 is provided with drain pipe 510.
In order to realize recycling of lubricant, reduce costs, drain pipe 510 is communicated with a liquid supply box 511, be provided with filter element 512 in liquid supply box 511, filter element 512 can select screen pack etc., and those skilled in the art can according to circumstances specifically select, do not repeat them here, upper feed tube 505 is communicated with liquid supply box 511 with lower feed tube 506 by liquor pump 513, makes the lubricant back connect in liquid box 509 enter in liquid supply box 511, is conveyed into upper feed tube 505 and lower feed tube 506 by liquor pump 513.
In process of production, lubricant enters upper hollow cavity 5021 from upper feed tube 505, be adsorbed on upper absorptive element 507 by upper fluid hole 5022, lubricant enters lower hollow cavity 5031 from lower feed tube 506, be adsorbed on lower absorptive element 508 by lower fluid hole 5032, lubricant intermittence can pass into feed tube 505 and lower feed tube 506, and lubricant can select lubricating oil etc.; When being with material 214 by lubrication gap 504, on the upper surface that the lubricant of upper absorptive element 507 and lower absorptive element 508 can be coated in band material 214 and lower surface, scribble the band material 214 of lubricant through remaining production equipment, owing to reducing the coefficient of friction of band material 214 and remaining production equipment, band material 214 is not easily scratched, improve the surface quality of band material 214, and alleviate the wearing and tearing of remaining production equipment, improve the service life of remaining production equipment; The lubricant simultaneously going up drippage on live-rollers 502 and lower live-rollers 503 drops on and connects in liquid box 509, avoids lubricant to trickle in external environment condition, causes external environment condition to pollute.
In step (5), as Fig. 2 and Figure 10 jointly shown in, first at the right-angle side of shaping 1/2 length of side in the both sides of the band material with cut, bending forming gradually expected by each band by a length of side again, the right-angle side of two 1/2 length of sides is drawn close relatively, some compositions are used to carry out cold roll forming to the shaping pair roller 800 arranged, described shaping pair roller 800 includes upper format roll 801 setting up and down and lower forming roller 802, bending modular angle 803 is provided with between described upper format roll 801 and lower forming roller 802, the bending modular angle 803 being positioned at the described shaping pair roller 800 in downstream is less than the bending modular angle 803 of the described shaping pair roller 800 of upstream, band is made to expect cold-bending deformation gradually, first the right-angle side of two 1/2 length of sides is bent into 90 degree, again the band material of another two length of sides is bent into 30 degree first on shaping pair roller 800, then 45 degree are bent into second on shaping pair roller 800, 60 degree are bent into on shaping pair roller on 800 again the 3rd, the welding compression roller entered subsequently in next step heals up, weld seam is positioned on the upper surface of square-section.
In step (6), use radio-frequency generator, high frequency switch board, high frequency dedicated transformer, high frequency output automatic feedback system and welding compression roller, high frequency output automatic feedback system is monitored high frequency output in real time and is adjusted, welding compression roller applies pressure to pipe, be well known to those skilled in the art, do not repeat them here; During welding, weld seam is made to form a V-arrangement angle, and by high-frequency induction coil, under high-frequency induction coil effect, utilize approach effect and the kelvin effect of high frequency electric, V-arrangement angle place is heated to molten state rapidly, between mother metal, liquid phase merges, and applies pressure, under pressure to pipe, squeeze the metallurgical binding that unnecessary deposite metal forms mother metal, it is square that formation closes.
In step (7), as shown in Figure 8, after using welding, cooling device 600 pairs of square tubes cool, after described welding, cooling device 600 comprises shower 601, the first casing 603 be fixed in spray frame 602 is provided with below shower 601, the first groove 6031 and the second groove 6032 is respectively equipped with along on the sidewall of two first casings 603 in square tube movement locus direction, first groove 6031 and the second groove 6032 are oppositely arranged, dismountablely on the sidewall being positioned at the first groove 6031 place be connected with the first connecting plate 604, first connecting plate 604 is provided with the second charging aperture 6041, dismountablely on the sidewall being positioned at the second groove 6032 place be connected with the second connecting plate 605, second connecting plate 605 is provided with the second discharging opening 6051, the top side wall of two first casings 603 vertical with square tube movement locus direction is equipped with overfall 606, liquid-feeding tube 607 is provided with bottom first casing 603.
In process of production, shower 601 and liquid-feeding tube 607 pass into cooling fluid simultaneously in the first casing 603, make to be full of cooling fluid in the first casing 603, unnecessary cooling fluid flows out from overfall 606, second charging aperture 6041 and the second discharging opening 6051, square tube enters in the first casing 603 from the second charging aperture 6041, then derive from the second discharging opening 6051, make square tube be immersed in cooling fluid, effect square tube being reached cool completely; And according to the different model of square tube, corresponding first connecting plate 604 and the second connecting plate 605 can be installed, achieve square tube produce in welding after the versatility of cooling device.
In order to absorb the residual cooling fluid of cooled square tube outer surface, realize the effect of preliminary clean square tube, dividing plate 608 is provided with in the first casing 603 between overfall 606 and the second discharging opening 6051, first casing 603 is divided into cooling bath 609 and wiping groove 610 by dividing plate 608, liquid-feeding tube 607 connects cooling bath 609, dividing plate 608 is provided with for the through hole 6081 by square tube, the both sides being positioned at square tube movement locus in wiping groove 610 are equipped with liquid absorption sponge 611, certainly, in order to clean square tube further, wiping groove 610 can arrange multiple, dividing plate 608 is equipped with between adjacent wiping groove 610, the both sides being positioned at square tube movement locus in each wiping groove 610 are equipped with liquid absorption sponge 611.
In order to avoid the cooling fluid flowed out from overfall 606 pollutes production line, the spray frame 602 outside the first casing 603 is provided with waste liquid collecting box.
In step (8), as shown in Figure 9, surperficial raffinate scavenge unit 700 is used to know the liquid of square tube remained on surface, described surperficial raffinate scavenge unit 700 comprises the second casing 702 be arranged in cleaning machine frame 701, second casing 702 is provided with relatively the 3rd charging aperture 703 and the 3rd discharging opening 704, a sponge block 705 is provided with in second casing 702, sponge block 705 has one for the passage 707 by square tube 706, sponge block 705 can be overall structure, certainly, conveniently change sponge block 705, sponge block 705 can be Split type structure, comprise the first sponge block 7051 and the second sponge block 7052, 3rd charging aperture 703, passage 707 and the 3rd discharging opening 704 are all positioned in the direction of motion of square tube 706, the both sides being positioned at passage 707 are provided with the first pressing plate 708 and the second pressing plate 709 for clamping sponge block 705 relatively, the vertical height of the first pressing plate 708 and the second pressing plate 709 is greater than the length in square tube 706 cross section, the direction of motion of linear drive apparatus 710 is vertical with the direction of motion of square tube, wherein, linear drive apparatus 710 comprises the first cylinder 711 and the second cylinder 712, the cylinder body of the first cylinder 711 and the second cylinder 712 is all fixedly installed in cleaning machine frame 701, the piston rod of the first cylinder 711 connects the first pressing plate 708, the piston rod of the second cylinder 712 connects the second pressing plate 709.
In step (9), accurately shaped in the cast cross section of square tube, usually use Standard Module, be well known to those skilled in the art, do not repeat them here.
In step (10), saw blade or other cutting, parting tool can be selected, cut online, the output speed of cutter sweep and square tube is needed to be consistent during cutting, then cut, the method and equipment comparative maturity, be well known to those skilled in the art, do not repeat them here.
Should be appreciated that the purposes of these embodiments is only not intended to for illustration of the present invention limit the scope of the invention.In addition; also should understand; after having read technology contents of the present invention, those skilled in the art can make various change, amendment and/or modification to the present invention, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.
Claims (8)
1. a processing method for thin-walled square tube, is characterized in that, comprises the following steps: (1) band material winds off volume: launched by band material volume, export band material; (2) active conveyer belt material: band material exports to downstream under tractive force effect, and in course of conveying, mouth is broken in the both sides of the edge of expecting at band; (3) speed governing is cushioned: band material constant speed under without tensile force effect exports, the frequency of delivery that control cincture material is initiatively carried; (4) lubricant is coated with: be coated with lubricant on two surfaces of band material; (5) shaping: band to be expected clod wash gradually, make band material form the pipe with the square-section of a weld seam, described weld seam is positioned on the upper surface of described pipe; (6) high-frequency welding: make weld seam form a V-arrangement angle, and pass through high-frequency induction coil, under high-frequency induction coil effect, utilize approach effect and the kelvin effect of high frequency electric, V-arrangement angle place is heated to molten state rapidly, and between mother metal, liquid phase merges, pressure is applied to pipe, under pressure, squeeze the metallurgical binding that unnecessary deposite metal forms mother metal, it is square that formation closes; (7) cool: square tube complete for high-frequency welding is cooled; (8) raffinate is removed: the cooling fluid removing cooled square tube remained on surface; (9) accurately shape in cast cross section: according to tolerance needs, accurately shapes to the cross section of square tube; (10) cut: by the square tube fixed length cutting exported continuously.
2. the processing method of thin-walled square tube as claimed in claim 1, it is characterized in that: in step (5), first at the right-angle side of shaping 1/2 length of side in the both sides of the band material with cut, then bending forming gradually expected by each band by a length of side, and the right-angle side of two 1/2 length of sides is drawn close relatively.
3. the processing method of thin-walled square tube as claimed in claim 1 or 2, it is characterized in that: in step (5), some compositions are used to carry out cold roll forming to the shaping pair roller arranged, described shaping pair roller includes upper format roll setting up and down and lower forming roller, be provided with bending modular angle between described upper format roll and lower forming roller, the bending modular angle being positioned at the described shaping pair roller in downstream is less than the bending modular angle of the described shaping pair roller of upstream.
4. the processing method of the thin-walled square tube as described in any one of claim 1-3, it is characterized in that: in step (2), band material active conveying device is used to provide tractive force, described band material initiatively conveying device comprises supporting seat, described supporting seat is rotatablely equipped with a guide roller, the described supporting seat of described guide roller downstream position is provided with an installing rack, described installing rack top is installed with baffle plate, described installing rack is rotatablely equipped with drive roll, described drive roll horizontally set and be positioned at below described baffle plate, be positioned on the described installing rack below described drive roll and be rotatablely equipped with driven voller, the axis of described driven voller and the axial consistent of described drive roll, guide roller described in pile warp successively expected by band, driven voller and drive roll, described installing rack is provided with transverse baffle between described drive roll and driven voller, described transverse baffle is fixedly installed on described installing rack away from described guide roller side, described transverse baffle is installed with scraper, and the blade of described scraper expects the lower surface at edge towards band, the clad that the flexible material of surfaces be clad of described drive roll and driven voller is made.
5. the processing method of the thin-walled square tube as described in any one of claim 1-4, it is characterized in that: in step (3), band material active buffer arrangements for speed regulation are used to carry out band material buffering, described band material active buffer arrangements for speed regulation comprise mount pad, described mount pad is provided with the two vertical baffle plates be oppositely arranged, vertically the stock chest that is rectangular shape is formed between baffle plate and mount pad described in two, one end of described stock chest is provided with the first charging aperture, the other end is provided with the first discharging opening, described first charging aperture and the first discharging opening are arranged along the length direction of described stock chest, the described mount pad be positioned at below described first charging aperture is provided with an installing plate, described installing plate is provided with that buffer upper limit level sensor setting up and down is gentle sweeps away limit sensors, described in two, vertical baffle plate is the plastic dam that transparent plastics material is made.
6. the processing method of the thin-walled square tube as described in any one of claim 1-5, it is characterized in that: in step (4), use band material surface to be coated with applicator and be coated with lubricant on two surfaces of band material, described band material surface is coated with applicator and comprises support, described support is rotatablely equipped with upper live-rollers setting up and down and lower live-rollers, the lubrication gap be used for by described band material is formed between described upper live-rollers and lower live-rollers, described upper live-rollers and lower live-rollers are equipped with a hollow cavity, feed tube is provided with in described hollow cavity, described upper live-rollers is distributed with several fluid holes being communicated with described hollow cavity with the surface of lower live-rollers, the outer surface of described upper live-rollers and lower live-rollers is all covered with the absorptive element that soft material is made, and the described support be positioned at below described lower live-rollers is provided with and connects liquid box, described in connect liquid box bottom be provided with drain pipe, described drain pipe is communicated with a liquid supply box, is provided with filter element in described liquid supply box, and described feed tube is communicated with described liquid supply box by liquor pump.
7. the processing method of the thin-walled square tube as described in any one of claim 1-6, it is characterized in that: in step (7), after using welding, cooling device cools square tube, after described welding, cooling device comprises shower, the first casing be fixed in spray frame is provided with below described shower, along square motion course bearing two described in the first casing sidewall on be respectively equipped with the first groove and the second groove, described first groove and the second groove are oppositely arranged, dismountablely on the described sidewall being positioned at described first groove be connected with the first connecting plate, described first connecting plate is provided with the second charging aperture, dismountablely on the described sidewall being positioned at described second groove be connected with the second connecting plate, described second connecting plate is provided with the second discharging opening, described in vertical with square motion course bearing two, the top side wall of the first casing is equipped with overfall, described first bottom half is provided with liquid-feeding tube, dividing plate is provided with in described first casing between described overfall and described second discharging opening, described first casing is divided into cooling bath and wiping groove by described dividing plate, described liquid-feeding tube connects described cooling bath, described dividing plate is provided with for by described square through hole, and the both sides being positioned at described square motion track in described wiping groove are equipped with liquid absorption sponge, described spray frame outside described first casing is provided with waste liquid collecting box.
8. the processing method of the thin-walled square tube as described in any one of claim 1-7, it is characterized in that: in step (8), surperficial raffinate scavenge unit is used to know the liquid of square tube remained on surface, described surperficial raffinate scavenge unit comprises the second casing be arranged in cleaning machine frame, described second casing is provided with relatively the 3rd charging aperture and the 3rd discharging opening, a sponge block is provided with in described second casing, described sponge block has one for by described square passage, described 3rd charging aperture, described passage and described 3rd discharging opening are all positioned in the described square direction of motion, the both sides being positioned at described passage are provided with two pressing plates for clamping described sponge block relatively, the vertical height of described pressing plate is greater than the length of described square-section, each described pressing plate is all connected with linear drive apparatus, and the direction of motion of described linear drive apparatus is vertical with the described square direction of motion.
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| CN112719379B (en) * | 2020-12-21 | 2022-04-22 | 中国兵器工业集团江山重工研究院有限公司 | Milling method for multiple composite inclined planes of square pipe |
| CN114523269A (en) * | 2022-03-04 | 2022-05-24 | 安徽新欧力电器有限公司 | Refrigerator component processing system and method |
| CN115179051A (en) * | 2022-09-09 | 2022-10-14 | 山东省地质科学研究院 | Preparation device and method of ion source sample carrier of thermal ionization mass spectrometer |
| CN115179051B (en) * | 2022-09-09 | 2022-12-06 | 山东省地质科学研究院 | Preparation device and method of ion source sample carrier of thermal ionization mass spectrometer |
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