Horizontal flange blank hot coiling machine
One, technical field:
The utility model relates to a kind of special equipment of making flange, particularly relates to a kind of horizontal flange blank hot coiling machine.
Two, background technology:
Along with the stable development at full speed of economy, further extensively with general, therefore, the application of supporting various pipeline slip-on welding flanges is also essential, and demand will be more and more huger also for the conveying engineering of the various fluid lines of China; Along with the continuous input of large-engineerings such as the south water to north, transfering natural gas from the west to the east, large-sized flange also will occupy suitable market position in addition!
Slip-on welding flange is to make earlier flange blank, then with flange blank again fine finishining be the finished product flange, so the precision of blank has just determined the processing cost of flange significantly.At present, the making of flange blank has mainly been adopted and has been forged moulding and excision forming, and these two kinds of production methods exist common drawback: the one, process coarse, the physical dimension error is bigger, restive, increased follow-up accurately machined labour intensity and processing cost, reduced yield rate; The 2nd, production efficiency is low.In addition, also have part producer to adopt the mode of cold coiling to carry out the making of flange blank, though production efficiency increases, the straightway of head and the tail can't be got rid of, and easily produces ovality, and processing capacity is big, has also increased production cost simultaneously.Have only it is cut away, raw-material like this utilization rate is just very low, and production cost is also higher, and at every turn can only monolithic production, and efficient is still not high.
In addition, " flange blank hot coiling machine " of the patent No. 200820148917 discloses vertical flange blank hot coiling machine, this kind mode efficiently saves material, but if roll large-sized flange, the fuselage height need further be increased, and complete machine will become too huge like this, machine gravity improves, stability is not good enough, and the difficulty that charging, discharging also all become and not easy to operate has so just influenced production efficiency and cost of manufacture.
Three, utility model content:
The utility model is to overcome the deficiency that prior art exists, and a kind of horizontal flange blank hot coiling machine that a kind of economical with materials, machining accuracy height, process velocity are fast, be applicable to the processing of large-sized flange blank hot coiling is provided.
A kind of horizontal flange blank hot coiling machine, comprise frame, be fixed on the engine on the frame, transmission mechanism and bearing block, the disc mould that curls, also comprise the mould chassis that a level is installed, the central shaft on described mould chassis vertically is installed in the frame top chock, the central shaft on this mould chassis is connected with engine by transmission mechanism, fixed or movable being equipped with and the curling mould of the disc of spigot shaft coaxle line in upper surface, described mould chassis, on described mould disks, be provided with the spiral cushion block that blank termination anchor clamps and some height increase gradually, and be provided with the band steel guide device at an end of frame.
Approximate same level height place is provided with adjustable jack unit at described curling mould, and an end of described adjustable jack unit is fixed on the frame, and the other end is provided with the roof pressure wheel.
Described band steel guide device comprises a fixing spacing side plate and is located at the horizontal feed roller of this spacing side plate bottom.
Described band steel guide device is the adjustable lifting guide device of hydraulic control, and spacing side plate and horizontal feed roller are fixed on the adjustable crane.
Vertically be fixed with guide rail or be provided with guide groove on described adjustable crane, coupling is equipped with longitudinal extension mechanism on guide rail or guide groove, and described spacing side plate and horizontal feed roll and be fixed in the longitudinal extension mechanism.
Described adjustable jack unit includes the top pressure rack that is fixed on the body frame, roof pressure hydraulic cylinder one end is fixed on this top pressure rack, the other end is fixed with the roof pressure slide block, the lower end of described roof pressure slide block is provided with the guide rail that cooperates with the top pressure rack convex-concave, in the roof pressure slips end roof pressure wheel is installed.
Described engine is the directly moving motor of charged magnetic.
The hydraulic cylinder of described adjustable lifting guide device is separately installed with magnetic valve on its oil inlet pipe and the flowline, and described magnetic valve is connected with the signal output part of automatic control system, realizes that the guide device of adjustable lifting and flange blank helix-coil progress are synchronous.
The beneficial effects of the utility model:
1, raw material head and afterbody problem have been solved, save material and blank anchor clamps and spiral cushion block are housed on the mould chassis, adopt the spiral cushion block spacing, define the original position of blank, adopt the blank clamp, make blank be close to die-face, in addition, lead the position wheel and be adjacent to blank, solved in the process of rolling the problem that blank head stub bar and straightway can't be got rid of; Top-pressure mechanism is set, takes turns the cylindrical that withstands work piece, cooperate the running of mould that tail straight segment is got rid of, improved stock utilization, also guaranteed the dimensional accuracy of work piece simultaneously by roof pressure.
2, lead a mechanism and adopt the hydraulic cylinder lifting, the spiral cushion block is spacing, this function is rolled justify more, and blank is rolled into helical form, and speed is fast, steady quality, has improved production efficiency greatly.
3, leading a mechanism adopts the leading screw adjustment to lead a slide block, can change the position of leading position wheel and charging roller, top-pressure mechanism can be adjusted the stroke of the position cooperation roof pressure hydraulic cylinder of top pressure rack, can mate the slip-on welding flange of plurality of specifications, realizes the making of many kinds flange from small to large.
4, the horizontal setting of dish type mould and mould chassis, make that the charging of large-sized flange blank and discharging become easily, quick, improved production efficiency equally, also reduced labour intensity.
5, simple and compact equipment structure, swift and convenient to operate, automaticity improves greatly.
Four, description of drawings:
Fig. 1 is a horizontal flange blank hot coiling machine side structure schematic diagram of the present utility model;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the left TV structure schematic diagram of Fig. 1;
Fig. 4 is the utility model flange blank hot coiling view;
Fig. 5 is the I portion structure for amplifying schematic diagram of Fig. 2.
Numbering 1 is a frame among the figure, and 2 is engine, and 3 is belt pulley, 4 is reductor, and 5 is shaft coupling, and 6 is the trunnion axis bearing, 7 is drive bevel gear, and 8 is driven wheel of differential, and 9 is central shaft (main shaft), 10 is the vertical axis bearing, and 11 are the charging roller, and 12 is fixed side, 13 for leading a hydraulic cylinder, and 14 for leading a slide block, and 15 for leading a chute, 16 is vertical position guiding groove, 17 are the curling mould of disc, and 18 is the mould chassis, and 19 is the spiral cushion block, 20 are the roof pressure wheel, 21 is connector, and 22 is the roof pressure slide block, and 23 is the roof pressure chute, 24 is hydraulic cylinder, and 25 is the roof pressure support.
Five, specific embodiments:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of horizontal flange blank hot coiling machine, comprise frame 1, fixedly mount motor 2, reductor 3, lateral shaft bearing 6 and vertical axis bearing 10 successively at the frame downside, motor 2 and reductor 3 power shafts are in transmission connection by belt and belt pulley 3, speed reducer output shaft is connected with drive shaft by shaft coupling 5, and drive shaft is installed and lateral shaft bearing 6 is interior and at the end of this drive shaft drive bevel gear 7 (bevel pinion) is installed.
The mould chassis 18 that level is installed, its central shaft 13 vertically is installed on the upper and lower bearing block of frame interior (lower end is installed in the vertical axis bearing 10 of described frame downside) driven wheel of differential 8 bevel gear wheels is installed on mould center chassis axle 13), transmission is meshing with each other between described drive bevel gear 7 and the driven wheel of differential 8.Described motor 2 adopts the directly moving motor of charged magnetic, and rotate on motor rotating band moving mold chassis.
The 18 upper surface activities on the mould chassis (or fixing) are equipped with and the disc of central shaft 13 coaxial lines is curled mould 17 is movablely installed curling of the flange blank that is fit to different model (being different bores).
On described mould disks, be provided with blank termination anchor clamps blank anchor clamps 26 and have saw shape tooth, be installed in the T type groove on the described mould chassis 18, regulate, can clamp or unclamp blank by leading screw 27.
The spiral cushion block 19 that some is circumferentially arranged on described mould disks, described each spiral pad tile height increases gradually, each spiral cushion block upper surface whole formation helicoid.Spiral cushion block 19 is installed in the rectangular channel on the mould chassis 18.Each rectangular channel radially distributes and 18 upper surfaces, mould chassis, and usually rectangular channel length is greater than spiral pad block length several times, so that each spiral cushion block can fix respectively in radially inside or outside translation, thereby the flange blank that is fit to different bore models curls.
End in frame 1 is provided with the band steel guide device.Vertically be fixed with on described adjustable crane and be provided with guide groove 15 (or guide rail), go up coupling at guide groove 15 (or guide rail) longitudinal extension mechanism is installed, spacing side plate 12 and horizontal feed roll 11 and are fixed in the longitudinal extension mechanism.
17 approximate same level height places are provided with adjustable jack unit at described curling mould, described adjustable jack unit includes the top pressure rack 25 that is fixed on the body frame, roof pressure hydraulic cylinder 24 1 ends are fixed on this top pressure rack 25, the other end is fixed with roof pressure slide block 22, the lower end of described roof pressure slide block 22 is provided with the guide groove 23 that cooperates with top pressure rack 25 convex-concaves, be hinged with connector 21 at roof pressure slide block 22 ends, rotating shaft vertically is installed on the connector, and roof pressure wheel 20 is installed in this rotating shaft.
The horizontal flange blank hot coiling machine course of work of present embodiment is as follows:
Lead a slide block 14 by ball-screw axial adjustment, make and lead position wheel and charging roller to the appropriate location, last jack panel is fixed; Start and receive switch, under motor 2 drove, beginning rotary die chassis 18 made the adjustment leading screw parallel with the feed roller wheel axis with the blank holder axis, and near leading position wheel one side, made between blank anchor clamps and the mould by the leading screw adjustment and leave appropriate gap; The blank after the heating by the charging roller with lead position wheel and deliver between blank anchor clamps and the dish type mould, and make the blank termination by last spiral cushion block sidewall, adjust leading screw and make blank clamp blank, start automatic switch, under driven by motor, dish type mould and mould chassis rotate simultaneously, blank is rolled, simultaneously guide device at the uniform velocity rises under the driving of leading a hydraulic cylinder, adds to be distributed in the spacing of differing heights spiral cushion block on the mould chassis, blank is carried out many circle helical forms roll; Wait to roll when being near completion, start the roof pressure hydraulic cylinder, make the roof pressure wheel hold out against blank, the blank afterbody is overlayed on the dish type mould, after finishing, close automatic switch, return jack unit, adjust leading screw and unclamp the blank anchor clamps, the blank after the moulding is hung away, finish this and roll.
Embodiment two: accompanying drawing is not drawn, and content and embodiment one are basic identical, and something in common does not repeat, and different is: cooperate transmission by turbine, worm screw between the drive shaft of level and the vertical central shaft.
Embodiment three: accompanying drawing is not drawn, content and embodiment one are basic identical, something in common does not repeat, different is: the hydraulic cylinder of described adjustable lifting guide device, be separately installed with magnetic valve on its oil inlet pipe and the flowline, described magnetic valve is connected with the signal output part of automatic control system, realizes that the guide device of adjustable lifting and flange blank helix-coil progress are synchronous.