CN104056878B - A kind of high accuracy hot school type machine - Google Patents
A kind of high accuracy hot school type machine Download PDFInfo
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- CN104056878B CN104056878B CN201410275576.9A CN201410275576A CN104056878B CN 104056878 B CN104056878 B CN 104056878B CN 201410275576 A CN201410275576 A CN 201410275576A CN 104056878 B CN104056878 B CN 104056878B
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Abstract
The invention provides a kind of high accuracy hot school type machine, comprise school type machine host, support, heating furnace, holding tube device and send pipe dolly, described support is provided with two parallel slideway, a ball-screw and oil cylinders, ball-screw is all parallel with two slideways with the axis of oil cylinder, and ball-screw is connected by the motor of decelerator with support one end; Two slideways corresponding to support bottom described school type machine host are provided with slide block, corresponding to the ball-screw on support, be provided with nut bottom the type machine host of school, the nut sleeve of school type machine host is contained on the ball-screw of support, and school type machine host is placed on two slideways of support by two slide blocks; Described heating furnace is placed in the front of support, and heating furnace fire door is towards school type machine; The described pipe dolly that send is placed between support and heating furnace; Two described holding tube device symmetries are fixedly mounted on the both sides sending pipe dolly, and the conehead pull bar corresponding to school type machine host is arranged.Automaticity of the present invention is high, improves production efficiency, reduces labor strength.
Description
Technical field
The invention belongs to mechanical field, be specifically related to a kind of hot school shape equipment of high strength high accuracy cylindrical pipes.
Background technology
In recent years, along with the adjustment of national energy layout, the quantity of the various energy of Cemented filling improves constantly.Bigbore demand pipe amount sharply increases, and requires also more and more higher to tube quality.Steel pipe school type machine is one of key equipment of Longitudinal SAW Pipe production line.School type machine, as a kind of very crucial technical equipment improving tube quality, is used more and more in tubulation is produced.But along with steel tubing quality and grade, other improves, the increase, particularly Aero-Space of steel pipe thickness and military field be to σ under room temperature condition
b >=1700MPa, σ
0.2 the ultra high strength alloy steel steel pipe of>=1400MPa expanding, normal temperature expanding technology can not meet instructions for use.And to the required precision of steel pipe also very strictly, normal temperature expanding technology more can not meet the demands for Aero-Space and military field.Mainly adopt jack manually repeatedly repeatedly to correct full circle for this type of high strength, high precision steel tube at present or adopt lathe to carry out turnery processing, reaching required circularity.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides that a kind of automaticity is high, production efficiency is high and the high accuracy hot school type machine of labor strength can be reduced.
The technical solution used in the present invention is: comprise school type machine host, support, heating furnace, holding tube device and send pipe dolly, described support is provided with two parallel slideway, ball-screw and oil cylinders, ball-screw is all parallel with two slideways with the axis of oil cylinder, and ball-screw is connected by the motor of decelerator with support one end; Two slideways corresponding to support bottom described school type machine host are provided with slide block, corresponding to the ball-screw on support, be provided with nut bottom the type machine host of school, the nut sleeve of school type machine host is contained on the ball-screw of support, and school type machine host is placed on two slideways of support by slide block; Described heating furnace is placed in the front of support, and heating furnace fire door is towards school type machine host; The described pipe dolly that send is placed between support and heating furnace;
Described two slideways corresponded on support bottom pipe dolly that send are provided with slide block, send pipe dolly to be placed on two slideways of support by slide block; Corresponding to the oil cylinder on support, send bottom pipe dolly and be provided with pull bar, pull bar is connected with the piston rod of oil cylinder; Pipe dolly is sent to comprise chassis, slide plate, material loading fork, turnover panel, discharging fork, discharging fork bearing, unloading fuel tank and walking oil cylinder, the both sides on described chassis are respectively equipped with guide rail, the guide rail described slide plate corresponding to both sides, chassis is provided with road wheel, described walking oil cylinder one end and chassis hinged, the other end and slide plate hinged; The both sides of described slide plate one end are installed with a material loading fork bearing respectively, and material loading fork bearing is provided with material loading fork, and material loading fork upper end is provided with V-type mouth; Described turnover panel and the other end of slide plate hinged, the bilateral symmetry of turnover panel is provided with discharging fork bearing, and discharging fork bearing is installed with discharging fork, and discharging fork upper end is provided with V-type mouth; Described unloading fuel tank one end and turnover panel hinged, the other end be hinged on material loading fork bearing and turnover panel between slide plate on;
Two holding tube devices are fixedly mounted on support, and two holding tube devices are positioned at the both sides sending pipe dolly, and the conehead pull bar corresponding to school type machine host is arranged.
In the type machine of above-mentioned high accuracy hot school, described school type machine host comprises casing, conehead pull bar, attaching nut, adjustment gear and promotes gear, described conehead pull bar is arranged in casing, attaching nut is arranged on the conehead pull bar in casing, the outer wall of described attaching nut is provided with external screw thread, the centre bore of adjustment gear is provided with internal thread, and adjustment gear is arranged on outside attaching nut, is spirally connected with attaching nut; Adjustment gear and promotion gears meshing, promote gear by support installing on casing, the gear shaft of promotion gear stretch out chassis end and is provided with spanner.
In the type machine of above-mentioned high accuracy hot school, one end of described gear shaft is stretched out casing and is connected with ratchet spanner, the other end is provided with locking river, locking river is rack-mount by double end pull bar, the axis of double end pull bar and the axes normal of gear shaft, double end pull bar is provided with spanner through bracket end, and spanner and support are spirally connected, and are provided with plain cushion between spanner and support.
In the type machine of above-mentioned high accuracy hot school, described holding tube device comprises holding tube device seat, holding tube device crane, hoist cylinder, clamping jaw oil cylinder, the two-sided rack, bracing frame, two connecting rods, left jig arm, right jig arm and two gears; Described holding tube device seat is the tubular structure of upper end open, and holding tube device crane is arranged in holding tube device seat inner chamber, and the inner chamber matched in clearance of holding tube device crane bottom and holding tube device seat, is provided with lacuna between the inner chamber of top and holding tube device seat; Described holding tube device crane is hollow structure, and described hoist cylinder is arranged in the inner chamber of holding tube device crane, and upper end and the holding tube device crane of hoist cylinder are hinged, lower end and holding tube device seat hinged; Clamping jaw oil cylinder is arranged in the inner chamber of holding tube device crane, lower end and holding tube device crane hinged, upper end is stretched out holding tube device crane and is connected with tooth bar; Described bracing frame is U-shaped, and be fixedly mounted on holding tube device seat, two described gears are positioned on bracing frame respectively by gear shaft, engage respectively with the two-sided rack; Two gear shafts are respectively equipped with drive plate, described left jig arm and right jig arm are hinged on the two ends of bracing frame respectively, two described connecting rod one end are hinged with two drive plates respectively, the other end of two connecting rods respectively with left jig arm and right jig arm hinged, the upper end of left jig arm and right jig arm is respectively equipped with jaw.
In the type machine of above-mentioned high accuracy hot school, also comprise stock shelf, stock shelf is near sending pipe dolly to arrange, described stock shelf comprises frame, stock shelf crane, lift cylinder, positioning cylinder, two be arranged in parallel chain, multiple shift fork and multiple adjustment fork, described stock shelf crane is positioned at the top of frame, hinged with frame, one end and the stock shelf crane of described lift cylinder are hinged, the other end and frame hinged; The two ends of the both sides of described stock shelf crane are respectively equipped with a sprocket wheel, and the sprocket wheel at the two ends of homonymy is connected by a chain; Described multiple shift fork and multiple adjustment fork is corresponding is arranged on two chains, shift fork is arranged on a chain by mobile forked standard, and adjustment fork is arranged on another chain by adjustment forked standard; The upper end of shift fork and adjustment fork is equipped with V-type mouth; Both sides in the middle part of stock shelf crane are respectively equipped with a positioning cylinder, and two positioning cylinder deads in line, axes normal is in chain, and piston rod is oppositely arranged.
In the type machine of above-mentioned high accuracy hot school, also comprise arranging machine, described arranging machine is placed in heating furnace school type owner pusher side dorsad, comprise arranging machine frame, arranging machine oil cylinder, cut somebody's hair and control device, described arranging machine oil cylinder is arranged in arranging machine frame, the piston rod of arranging machine oil cylinder is connected with cutting somebody's hair, the piston rod of arranging machine oil cylinder towards heating furnace, the axis being parallel of the axis of arranging machine oil cylinder and the conehead pull bar of school type machine host.
Compared with prior art, technique effect of the present invention is:
1. the present invention includes feeder, send pipe dolly and arranging machine, achieve the mechanization production of material loading, discharging, substantially increase the mechanization degree of high accuracy hot school type machine, reduce the labour intensity of workman, improve production efficiency.
2. school of the present invention type machine host is provided with adjustment gear on conehead pull bar, adjustment gear and promotion gears meshing, rotated by ratchet spanner driven gear, and then drive adjustment pinion rotation, adjustment gear moves on attaching nut, to adjust the distance between adjusting nut end face and casing inner wall, the also stroke of i.e. conehead pull bar, what can control conehead mould more accurately by adjustment gear dilates diameter.
3. holding tube device of the present invention realizes jaw by hoist cylinder and clamping jaw oil cylinder and treats holding tightly of expanding steel pipe, and do not need manual operation, automaticity is high, greatly reduces the labour intensity of workman; By hoist cylinder and clamping jaw oil cylinder realize jaw treat fastening time of expanding steel pipe and take-down time than the fastening time needed for existing tightening technology and the take-down time short, improve operating efficiency.
4. expanding with wedge block principle is applied to the hot school shape of high strength high precision steel tube by the present invention, and improve sizing precision, mechanization degree is high, reduces percent defective.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is A-A sectional view in Fig. 1.
Fig. 3 is support of the present invention, stock shelf, send the arrangement figure of pipe dolly and heating furnace.
Fig. 4 is the structural representation of school of the present invention type machine host.
Fig. 5 is B direction view in Fig. 4.
Fig. 6 is C-C sectional view in Fig. 5.
Fig. 7 is D-D sectional view in Fig. 6.
Fig. 8 is the front view of holding tube device of the present invention.
Fig. 9 is the side view cutaway drawing of holding tube device of the present invention.
Figure 10 is the top view of holding tube device of the present invention.
Figure 11 is I place enlarged drawing in Fig. 8.
Figure 12 is the front view sending pipe dolly of the present invention.
Figure 13 is the side view sending pipe dolly of the present invention.
Figure 14 be of the present invention send pipe dolly the front view of turnover panel.
Figure 15 is E-E sectional view in Figure 14.
Figure 16 is the front view of stock shelf of the present invention.
Figure 17 is the side view of stock shelf of the present invention.
Figure 18 is the front view of arranging machine of the present invention.
Figure 19 is the top view of arranging machine of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As Figure 1-3, the present invention includes school type machine host 1, support 2, holding tube device 3, stock shelf 7, send pipe dolly 4, heating furnace 5 and arranging machine 6; Described support 2 is provided with two parallel slideway 21, ball-screws 22 and an oil cylinder 23, and ball-screw 22 is all parallel with two slideways 21 with the axis of oil cylinder 23, and ball-screw 22 is connected with motor 25 by the decelerator 24 of support 2 rear end; Two slideways 21 corresponding to support 2 bottom described school type machine host 1 are provided with slide block 11, corresponding to the ball-screw 22 on support 2, nut 22 is provided with bottom school type machine host 1, the nut 12 of school type machine host 1 is sleeved on the ball-screw 22 of support 2, and school type machine host 1 is placed on two slideways 21 of support 2 by two slide blocks 11.Described heating furnace 5 is placed in the front of support 1, and the fire door of heating furnace 5 is towards school type machine host 1.The described pipe dolly 4 that send is placed between support 1 and heating furnace 5, and two slideways 21 sending the bottom of pipe dolly 4 to correspond on support 2 are provided with slide block, send pipe dolly 4 to be placed on two slideways 21 of support 2 by slide block; Corresponding to the oil cylinder 23 on support 2, send bottom pipe dolly 4 and be provided with pull bar 4-1, pull bar 4-1 is connected with the piston rod of oil cylinder 23.Described holding tube device 3 is fixedly mounted on both sides support 2 sending pipe dolly 4, and the conehead pull bar corresponding to school type machine host 1 is arranged.Described stock shelf 7 is near sending pipe dolly 4 to arrange, and described arranging machine 6 is placed in the side of heating furnace 5 school type machine host 1 dorsad.
As shown in Figure 4,5, described school type machine host 1 comprises casing 13, conehead pull bar 14, attaching nut 15, adjustment gear 16 and promotes gear 17, described conehead pull bar 14 is arranged in casing 13, attaching nut 15 is arranged on the conehead pull bar 14 in casing 13, the outer wall of described attaching nut 15 is provided with external screw thread, the centre bore of adjustment gear 16 is provided with internal thread, and adjustment gear 16 is arranged on outside attaching nut 15, is spirally connected with attaching nut 15; Adjustment gear 16 engages with promotion gear 17, promotes gear 17 and is arranged on casing 13 by support 18, the gear shaft 172 of promotion gear 17 stretches out casing 13 end and is provided with ratchet spanner 173.
As Fig. 6, shown in 7, described support 18 is provided with two otic placodes 181 perpendicular to gear shaft 172, two otic placodes 181 are provided with gear shaft installing hole, gear shaft 172 is installed on mount 18 by two gear shaft installing holes, gear shaft 172 one end is stretched out casing 13 and is connected with ratchet spanner 173, the other end is provided with locking river 174, locking river 174 is installed on mount 18 by double end pull bar 171, the axis of double end pull bar 171 and the axes normal of gear shaft 172, double end pull bar 171 is provided with spanner 176 through support 18 end, double end pull bar 171 between spanner 176 and support 18 is provided with plain cushion 175.
As seen in figs. 8-10, holding tube device 3 of the present invention comprises holding tube device seat 31, holding tube device crane 32, hoist cylinder 33, clamping jaw oil cylinder 34, the two-sided rack 310, bracing frame 36, two connecting rod 35, left jig arm 37, right jig arm 39 and two gears 313; Described holding tube device seat 31 is the tubular structure of upper end open, holding tube device crane 32 is arranged in the inner chamber of holding tube device seat 31, the inner chamber matched in clearance of holding tube device crane 32 bottom and holding tube device seat 31, is provided with lacuna 312 between the inner chamber of top and holding tube device seat 31.Described holding tube device crane 32 is hollow structure, and described hoist cylinder 33 is arranged in the inner chamber of holding tube device crane 32, and upper end and the holding tube device crane 32 of hoist cylinder 33 are hinged, lower end and holding tube device seat 31 hinged.Described clamping jaw oil cylinder 34 is arranged in the inner chamber of holding tube device crane 32, lower end and holding tube device crane 32 hinged; Upper end is stretched out holding tube device crane 32 and is connected with the two-sided rack 310.Described bracing frame 36 is U-shaped, is fixedly mounted on holding tube device seat 31, and two described gears 313 are positioned on bracing frame 36 by gear shaft 3131 respectively, and two gears 313 engage with the two-sided rack 310 respectively; Two gear shafts 3131 are respectively equipped with drive plate 3132, described left jig arm 37 and right jig arm 39 are hinged on the two ends of bracing frame 36 respectively, two described connecting rod 35 one end are hinged with two drive plates 3132 respectively, the other end of two connecting rods 35 respectively with left jig arm 37 and right jig arm 39 hinged, the upper end of left jig arm 37 and right jig arm 39 is respectively equipped with jaw 38.Described jaw 38 is arranged in left jig arm 37 or right jig arm 39 by jaw seat 381.
As Fig. 8, Figure 10, shown in Figure 11, on the upper wall of described holding tube device seat 31, two extension adjustment device 311 are provided with corresponding to the lacuna between holding tube device crane 32 top and the inner chamber of holding tube device seat 31, described extension adjustment device 311 comprises worm screw 3111, turbine 3114, locking nut 3118, nut sleeve 3116 and adjustment screw rod 3117, described worm screw 3111 is arranged on holding tube device seat 31 by bearing block, engage with turbine 3114, turbine 3114 is connected with nut sleeve 3116 by key 3115, and by locking nut 3118 axial location in nut sleeve 3116, nut sleeve 3116 is connected with adjustment screw rod 3117.In order to make two extension adjustment device 311 synchronous, correspondingly on the worm screw 3111 of two described extension adjustment device 311 be provided with sprocket wheel 3112, two sprocket wheels 3112 are connected by chain; The worm screw 3111 of one extension adjustment device 311 is provided with handwheel 3113.
As shown in Figure 12,13, the pipe dolly that send of the present invention comprises chassis 41, slide plate 42, material loading fork 44, turnover panel 46, discharging fork 48, discharging fork bearing 47, unloading fuel tank 45 and walking oil cylinder 49, the both sides on described chassis 41 are respectively equipped with guide rail 411, the guide rail 411 described slide plate 42 corresponding to both sides, chassis 41 is provided with road wheel 421, described walking oil cylinder 49 one end and the one end on chassis 41 hinged, the other end and slide plate 42 hinged; The both sides of one end of described slide plate 42 are installed with a material loading fork bearing 43 respectively, material loading fork bearing 43 is provided with two parallel installing holes 431, installing hole 431 vertical direction size is greater than horizontal direction size, material loading fork 44 is fixedly mounted on material loading fork bearing 43 by two screws through two installing holes 431, adjust the height of material loading fork 44 by the adjustment position of screw on installing hole 431 vertical direction, material loading is pitched 44 upper ends and is provided with V-type mouth.Described turnover panel 46 is hinged with the other end of slide plate 42, and as shown in Figure 14,15, described turnover panel 46 is provided with the upper surface middle part that two parallel otic placode 461, two otic placodes 461 are positioned at turnover panel 46, one end of described unloading fuel tank 45 and the otic placode 461 of turnover panel 46 hinged; The other end of unloading fuel tank 45 is connected with slide plate 42 by hinged seat; Hinged seat is fixedly mounted on material loading on slide plate 42 and pitches between bearing 43 and turnover panel 46.Described discharging fork bearing 47 is provided with two parallel installing holes 471, installing hole 471 vertical direction size is greater than horizontal direction size, discharging fork 48 is fixedly mounted on discharging fork bearing 47 by two screws through two installing holes 471, adjust the height of discharging fork 48 by the adjustment position of screw on installing hole 471 vertical direction, discharging is pitched 48 upper ends and is provided with V-type mouth.
As shown in Figure 16,17, described stock shelf comprises frame 71, stock shelf crane 72, lift cylinder 75, two positioning cylinder 77, two be arranged in parallel chain 73, multiple shift fork 76 and multiple adjustment fork 78, described stock shelf crane 72 is positioned at the top of frame 71, hinged with frame 71, one end and the stock shelf crane 72 of described lift cylinder 75 are hinged, one end and frame 71 hinged; The two ends of the both sides of described stock shelf crane 72 are respectively equipped with a sprocket wheel, and the sprocket wheel at the two ends of homonymy is connected by chain 73; Described multiple shift forks 76 and multiple adjustment fork 78 corresponding be arranged on two chains, shift fork 76 is arranged on a chain by mobile forked standard 74, and adjustment fork 78 is arranged on another chain by adjustment forked standard 77; The upper end of shift fork 76 and adjustment fork 78 is equipped with V-type mouth.Both sides in the middle part of stock shelf crane 72 are respectively equipped with the dead in line of positioning cylinder 77, two positioning cylinder 77, and axes normal is in chain 73, and piston rod is oppositely arranged.
As shown in Figure 18,19, described arranging machine 6 comprises arranging machine frame 61, arranging machine oil cylinder 62, cut somebody's hair 63 and control device 64, described arranging machine oil cylinder 62 is arranged in arranging machine frame 61, the piston rod of arranging machine oil cylinder 62 63 to be connected with cutting somebody's hair, the piston rod of arranging machine oil cylinder 62 towards heating furnace 5, the axis being parallel of the axis of arranging machine oil cylinder 62 and the conehead pull bar 14 of school type machine host 1.Described control device 64 controls the stroke of cylinder piston rod.
Work progress of the present invention is as follows:
The first step: by required school shape steel tube suspending to the corresponding shift fork 76 and adjustment fork 78 of stock shelf 7;
Second step: stock shelf 7 lift cylinder promotes stock shelf crane 72, and by stock shelf crane 72 one end lifting, height of formation is poor, makes stock shelf crane 72 shift fork higher than the material loading fork 44 sending pipe dolly 4;
3rd step: stock shelf 7 by Induction Motor-Driven sprocket rotation, thus drives the shift fork 76 on chain 73 and adjustment fork 78 to walk by sprocket wheel, and positioning cylinder 77 position steel pipe being transported to stock shelf 7 stops;
4th step: positioning cylinder 77 action being simultaneously positioned at stock shelf 7 both sides, by the steel pipe centering on shift fork 76 and adjustment fork 78;
5th step: stock shelf 7 Induction Motor-Driven sprocket wheel is rotated further, is transported to pipe dolly 4 material loading fork 44 and waits position stopping by steel pipe;
6th step: stock shelf 7 lift cylinder 75 off-load, makes the lifting end of stock shelf 7 decline, and is fallen by the steel pipe on shift fork 76 and adjustment fork 78 on the material loading fork 41 of fortune pipe dolly 4;
7th step: fortune pipe dolly 4 is walked cylinder action, is transported to by steel pipe after on host center line and stops;
8th step: clamping jaw oil cylinder 34 action of holding tube device 3, is locked on guide rail by holding tube device 5; Hoist cylinder 33 action, bracing frame 36 rises, and steel pipe is lifted to conehead pull bar 14 isometry position (lifting height mixes up in advance) of school type machine host 1;
9th step: main frame servomotor action, stops after driving school type machine host 1 to advance to expansion head reeve steel pipe,
Tenth step: the mould of school type machine host 1 is pre-tensioner
11 step: clamping jaw oil cylinder 34 action of holding tube device 3, unclamped by steel pipe, hoist cylinder 33 declines, and bracing frame 36 falls.
12 step: the cylinder action of heating furnace 5 simultaneously, by oven door opening;
13 step: servomotor fast driving school type machine host 1 advances, and steel pipe is sent to heating furnace 5.
14 step: the mold shrinkage of school type machine host 1, heating furnace 5 bracket rises and holds steel pipe, and heating furnace 5 fire door is closed;
15 step: heating furnace 5 starts steel pipe heating, and nitrogen is opened.
16 step: infrared measurement of temperature mechanism thermometric;
17 step: after being reached temperature by the heating of school shape steel pipe, heating furnace 5 oven door opening,
18 step: school type machine host 1 advances fast, enters stove and connects steel pipe;
19 step: the bracket of heating furnace 5 declines;
20 step: oil cylinder 62 action of arranging machine 6, promotes steel pipe;
21 step: heating furnace 5 heats and stops;
22 step: the servo-cylinder action of school type machine host 1, carries out expanding school shape to steel pipe;
23 step: second time expanding school shape;
24 step: after pipe expanding completes, the mould retraction of school type machine host 1, holding tube device 3 bracing frame 36 rises, clamping jaw oil cylinder 34 action, jaw holding tube;
25 step: servo-cylinder drives school type machine host 1 rapid backward, and holding tube device 5 jaw unclamps steel pipe, and bracing frame 36 declines, drops on steel pipe on the discharging fork 48 of fortune pipe dolly 4.
26 step: fortune pipe dolly 4 oil cylinder dynamic 49 of walking is done, and stops after driving Plantago minuta to proceed to discharge position;
27 step: fortune pipe dolly 4 unloading fuel tank 45 promotes discharging fork 48 upset, is translated on unloading rack by steel pipe.Again by steel tube suspending from shape region, expanding school.
Through above 27 steps, the expanding school shape process of a steel pipe completes.
Claims (6)
1. a high accuracy hot school type machine, it is characterized in that: comprise school type machine host, support, heating furnace, holding tube device and send pipe dolly, described support is provided with two parallel slideway, ball-screw and oil cylinders, ball-screw is all parallel with two slideways with the axis of oil cylinder, and ball-screw is connected by the motor of decelerator with support one end; Two slideways corresponding to support bottom described school type machine host are provided with slide block, corresponding to the ball-screw on support, be provided with nut bottom the type machine host of school, the nut sleeve of school type machine host is contained on the ball-screw of support, and school type machine host is placed on two slideways of support by slide block; Described heating furnace is placed in the front of support, and heating furnace fire door is towards school type machine host; The described pipe dolly that send is placed between support and heating furnace;
Described two slideways corresponded on support bottom pipe dolly that send are provided with slide block, send pipe dolly to be placed on two slideways of support by slide block; Corresponding to the oil cylinder on support, send bottom pipe dolly and be provided with pull bar, pull bar is connected with the piston rod of oil cylinder; Pipe dolly is sent to comprise chassis, slide plate, material loading fork, turnover panel, discharging fork, discharging fork bearing, unloading fuel tank and walking oil cylinder, the both sides on described chassis are respectively equipped with guide rail, the guide rail described slide plate corresponding to both sides, chassis is provided with road wheel, described walking oil cylinder one end and chassis hinged, the other end and slide plate hinged; The both sides of described slide plate one end are installed with a material loading fork bearing respectively, and material loading fork bearing is provided with material loading fork, and material loading fork upper end is provided with V-type mouth; Described turnover panel and the other end of slide plate hinged, the bilateral symmetry of turnover panel is provided with discharging fork bearing, and discharging fork bearing is installed with discharging fork, and discharging fork upper end is provided with V-type mouth; Described unloading fuel tank one end and turnover panel hinged, the other end be hinged on material loading fork bearing and turnover panel between slide plate on;
Two holding tube devices are fixedly mounted on support, and two holding tube devices are positioned at and send pipe dolly both sides, and the conehead pull bar corresponding to school type machine host is arranged.
2. high accuracy according to claim 1 hot school type machine, it is characterized in that: described school type machine host comprises casing, conehead pull bar, attaching nut, adjustment gear and promotes gear, described conehead pull bar is arranged in casing, attaching nut is arranged on the conehead pull bar in casing, the outer wall of described attaching nut is provided with external screw thread, the centre bore of adjustment gear is provided with internal thread, and adjustment gear is arranged on outside attaching nut, is spirally connected with attaching nut; Adjustment gear and promotion gears meshing, promote gear by support installing on casing, the gear shaft of promotion gear stretch out chassis end and is provided with spanner.
3. high accuracy according to claim 2 hot school type machine, it is characterized in that: one end of described gear shaft is stretched out casing and is connected with ratchet spanner, the other end is provided with locking river, locking river is rack-mount by double end pull bar, the axis of double end pull bar and the axes normal of gear shaft, double end pull bar is provided with spanner through bracket end, and the double end pull bar between spanner and support is provided with plain cushion.
4. high accuracy according to claim 1 hot school type machine, is characterized in that: described holding tube device comprises holding tube device seat, holding tube device crane, hoist cylinder, clamping jaw oil cylinder, the two-sided rack, bracing frame, two connecting rods, left jig arm, right jig arm and two gears; Described holding tube device seat is the tubular structure of upper end open, and holding tube device crane is arranged in holding tube device seat inner chamber, and the inner chamber matched in clearance of holding tube device crane bottom and holding tube device seat, is provided with lacuna between the inner chamber of top and holding tube device seat; Described holding tube device crane is hollow structure, and described hoist cylinder is arranged in the inner chamber of holding tube device crane, and upper end and the holding tube device crane of hoist cylinder are hinged, lower end and holding tube device seat hinged; Clamping jaw oil cylinder is arranged in the inner chamber of holding tube device crane, lower end and holding tube device crane hinged, upper end is stretched out holding tube device crane and is connected with tooth bar; Described bracing frame is U-shaped, and be fixedly mounted on holding tube device seat, two described gears are positioned on bracing frame respectively by gear shaft, engage respectively with the two-sided rack; Two gear shafts are respectively equipped with drive plate, described left jig arm and right jig arm are hinged on the two ends of bracing frame respectively, two described connecting rod one end are hinged with two drive plates respectively, the other end of two connecting rods respectively with left jig arm and right jig arm hinged, the upper end of left jig arm and right jig arm is respectively equipped with jaw.
5. the high accuracy hot school type machine according to claim 1,2,3 or 4, it is characterized in that: also comprise stock shelf, stock shelf is near sending pipe dolly to arrange, described stock shelf comprises frame, stock shelf crane, lift cylinder, positioning cylinder, two be arranged in parallel chain, multiple shift fork and multiple adjustment fork, described stock shelf crane is positioned at the top of frame, hinged with frame, one end and the stock shelf crane of described lift cylinder are hinged, the other end and frame hinged; The two ends of the both sides of described stock shelf crane are respectively equipped with a sprocket wheel, and the sprocket wheel at the two ends of homonymy is connected by a chain; Described multiple shift fork and multiple adjustment fork is corresponding is arranged on two chains, shift fork is arranged on a chain by mobile forked standard, and adjustment fork is arranged on another chain by adjustment forked standard; The upper end of shift fork and adjustment fork is equipped with V-type mouth; Both sides in the middle part of stock shelf crane are respectively equipped with a positioning cylinder, and two positioning cylinder deads in line, axes normal is in chain, and piston rod is oppositely arranged.
6. high accuracy according to claim 5 hot school type machine, it is characterized in that: also comprise arranging machine, described arranging machine is placed in heating furnace school type owner pusher side dorsad, comprise arranging machine frame, arranging machine oil cylinder, cut somebody's hair and control device, described arranging machine oil cylinder is arranged in arranging machine frame, the piston rod of arranging machine oil cylinder is connected with cutting somebody's hair, the piston rod of arranging machine oil cylinder towards heating furnace, the axis being parallel of the axis of arranging machine oil cylinder and the conehead pull bar of school type machine host.
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| CN201410275576.9A CN104056878B (en) | 2014-06-19 | 2014-06-19 | A kind of high accuracy hot school type machine |
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| CN201410275576.9A CN104056878B (en) | 2014-06-19 | 2014-06-19 | A kind of high accuracy hot school type machine |
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| CN104056878B true CN104056878B (en) | 2016-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4028926A (en) * | 1974-11-19 | 1977-06-14 | Prvni Brnenska Strojirna, Narodni Podnik | Handling device for slipping tubes on the mandrel of bending machines |
| EP0010597A1 (en) * | 1978-10-14 | 1980-05-14 | Th. Kieserling & Albrecht GmbH & Co. | Feeding channel for bars and tubes |
| CN2925683Y (en) * | 2006-03-30 | 2007-07-25 | 番禺珠江钢管有限公司 | Movable expanding machine |
| CN201632518U (en) * | 2010-01-07 | 2010-11-17 | 沈阳飞机工业（集团）有限公司 | Conduit diameter calibrating clamp |
| CN202461342U (en) * | 2012-03-14 | 2012-10-03 | 天津腾飞钢管有限公司 | Charging device for thermally-expanded steel tube |
| CN203917495U (en) * | 2014-06-19 | 2014-11-05 | 湘潭华进科技有限公司 | The hot school of a kind of high accuracy type machine |
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2014
- 2014-06-19 CN CN201410275576.9A patent/CN104056878B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028926A (en) * | 1974-11-19 | 1977-06-14 | Prvni Brnenska Strojirna, Narodni Podnik | Handling device for slipping tubes on the mandrel of bending machines |
| EP0010597A1 (en) * | 1978-10-14 | 1980-05-14 | Th. Kieserling & Albrecht GmbH & Co. | Feeding channel for bars and tubes |
| CN2925683Y (en) * | 2006-03-30 | 2007-07-25 | 番禺珠江钢管有限公司 | Movable expanding machine |
| CN201632518U (en) * | 2010-01-07 | 2010-11-17 | 沈阳飞机工业（集团）有限公司 | Conduit diameter calibrating clamp |
| CN202461342U (en) * | 2012-03-14 | 2012-10-03 | 天津腾飞钢管有限公司 | Charging device for thermally-expanded steel tube |
| CN203917495U (en) * | 2014-06-19 | 2014-11-05 | 湘潭华进科技有限公司 | The hot school of a kind of high accuracy type machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104056878A (en) | 2014-09-24 |
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