CN100348344C - Large-scale semi-solid state die forging hydraulic press - Google Patents
Large-scale semi-solid state die forging hydraulic press Download PDFInfo
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- CN100348344C CN100348344C CNB2004100202531A CN200410020253A CN100348344C CN 100348344 C CN100348344 C CN 100348344C CN B2004100202531 A CNB2004100202531 A CN B2004100202531A CN 200410020253 A CN200410020253 A CN 200410020253A CN 100348344 C CN100348344 C CN 100348344C
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Abstract
The present invention relates to a large semisolid die forging hydraulic press which belongs to the technical field of a hydraulic press. The large semisolid die forging hydraulic press is composed of a press body, a press frame platform, a dynamic system and an electrical system, wherein the press body is composed of an upper cross beam, a lower cross beam, a slider, a support post and a pull rod. A main cylinder and a side cylinder are connected with the dynamic system, and the electrical system controls the dynamic system. The lower cross beam of the hydraulic press is fixedly provided with a material pushing device, cylinder bodies are fixedly arranged on the lower cross beam. Pistons are sheathed in the cylinder bodies, and plungers are sheathed in the pistons, and are fixed to the cylinder bodies. The plungers are in an inner hollow structure. A material pushing pad is fixedly arranged at the top of each piston, and anti-rotating flanges are fixedly arranged on the pistons. Cylinder opening flanges are fixedly arranged on the cylinder bodies, and cylinder opening guide sleeves are fixedly arranged in the cylinder bodies. Guiding belts and sealing rings are embedded in the piston walls, guide rods are fixedly arranged in the anti-rotating flanges, and the connection strokes of the guide rods are displayed. The hydraulic press is provided with a four-corner levelling device and a slider anti-dropping device, and the slider is in an X-shaped structure. The invention has the advantages of high material pushing speed, low power, simple structure, high efficiency, high moving precision, high workpiece quality, etc.
Description
Technical field
The invention belongs to the hydraulic press technical field, particularly relate to a kind of large-scale semisolid die forging hydraulic press.
Background technology
Present known large-scale semisolid die forging hydraulic press, constitute by fuselage, framework platform, master cylinder, dynamical system, electrical system, fuselage is made of by pull bar entablature, sill, slide block, pillar, master cylinder and side cylinder install on the crossbeam, its piston rod links to each other with slide block, and the action of finishing machine by electrical system is to satisfy the requirement of technology.The quick Lifting Device of 1. hydraulic press that has solved hydraulic press existence is in the past provided by pump, has increased the installed power of pump delivery and complete machine.2. hydraulic press does not possess the slider tilt that the four-corner leveling device causes and causes workpiece defective.3. hydraulic press does not have the slide block anti-drop device, has the slide problem down of sliding.4. under high temperature compacting situation, make the fuselage thermal deformation instigate guide clearance to change, influence these problems of accuracy of machines, the service behaviour of the large-scale semisolid die forging hydraulic press of entire effect and the product quality of casting die.
Summary of the invention
The present invention provides a kind of large-scale semisolid die forging hydraulic press for solving the technical problem that exists in the known technology.
The present invention seeks to select for use quick Lifting Device that small-sized and large press had both been satisfied rate request, reduce press power again; The four-corner leveling device is provided, prevents slider tilt; Realize that slide block is anti-fall and improve the press motion precision.
Main frame of the present invention adopts pull bar pretension composite frame structure.Hydraulic control system adopts proportion control, has accurate position, speed and force value; Adopt PLC and secondary meter to constitute digital control system in open type; Adopt exploitation of CAD/CAE/CAM integrated technology and manufacturing; Adopt tele-control system to product quick diagnosis and service, satisfied the large product operating efficiency.This large-sized liquid-state die forging hydraulic press:
1, is the liquid forging process shaping that both can finish metal and metal alloy that medium carries out transmission with oil, can finishes the semisolid die forging process forming again; Have two kinds of shaping control modes of the journey of deciding and level pressure, both can realize the shaping processing of identical material, can realize the shaping processing (being shaped) of unlike material again as reaching bonding with metal inlay, fiber or shaping particles base etc.
2, main frame adopts the group frame triplex structure, and master cylinder is a piston type, and the both sides cylinder is a plunger type; Guide rail adopts the X-shaped structure.
3, this machine has travelling table for ease of mold exchange more, adopts variable-frequency motor to drive and key formula positional cylinder, and the reseting precision that makes travelling table is 0.01mm.
4, this machine is provided with two cover slide block hydraulic locking devices at upper beam, and when machine suspended use, slide block was fixed by hydraulic lock in the limes superiors position; Be furnished with photoelectric protector before and after this machine, safe and reliable.
5,, can set the technological parameter of storage mold more than 200, and pressure, speed, stroke, time, temperature are set, followed the tracks of and response and place remote detection fast with the digital control system of touch screen and PLC and industrial computer formation.
6, adopt 4 balance sysmtes of closed loop proportional control, realize the shaping offset loading force is carried out from motion tracking and compensation.
Adopt new digital formula displacement transducer-magnetic grid and NC control system as hydraulic press high reliability high-precision digital Position Control stroke digital control system.Can obtain the measurement result of resolving accuracy up to 1um and high repeatable accuracy.Replace that hydraulic press now adopts by structures such as mechanical transmission mechanism and circle grating form between control type stroke digital control system, there is error in the control accuracy underneath drive mechanism that is caused, after the outage of non-absolute value circle grating, energising must recover technical barriers such as zero-bit, satisfies the high control accuracy requirement of large-scale double-action thick plate stretching hydraulic machine.
The structure of relevant apparatus of the present invention and operation principle:
1. quick Lifting Device
Mounting structure: the liftout pad is installed in top land by screw thread, anti-rotation flange is installed on the piston by screw, cylinder mouth flange is installed on the cylinder body by screw, cylinder mouth guide pin bushing is installed in the cylinder body by shoulder in the cylinder body and cylinder mouth flange, guidance tape and Glais ring are inlaid in inboard wall of cylinder block, piston bush is loaded in the cylinder body, plunger bushing is loaded in the piston, cylinder body is installed on the sill by fastening locknut, plunger is packed on the cylinder body by little locknut, guide post installs by screw thread and anti-rotation flange, the digital display support is installed on the sill lower plane by screw, and the stroke digital display is installed on the digital display support, and collision block is installed on the stroke digital display, gag lever post is joined and is welded on the sill lower plane, and limit switch is installed on the gag lever post.
Operation principle: realize the little tonnage liftout motion of high speed by quick plunger, rely on piston to realize full tonnage liftout, anti-rotation flange and guide post are realized the function of liftout quick and precisely of Lifting Device, decide the journey sender by the stroke digital display.Piston is directed in the cylinder body by guidance tape and fairlead and moves, and the Glais ring sealing guarantees Lifting Device high pressure liftout and steadily ne-leakage operation.
2. slide block anti-drop device
Mounting structure: collision block is installed on the piston rod by screw, piston rod is set in the cylinder body, flange is installed in cylinder body one side by hold-down screw, the locking cylinder cylinder body is by cooperating shoulder and pillar location, be fixed on the pillar by screw, spacing bearing and cylinder mouth flange are joined weldering, are fixed with limit switch on the bearing.
Operation principle: move forward and backward by locking cylinder, the impeller-hub motion will be slided fast safe locking at extreme position, realize that slide block is anti-fall.
3. slide block and pillar
The guide rail structure of slide block adopts outer X type guide rail structure form, and pillar is for cooperating slider guide, and to adopt X type twin props structure, reduction causes the thermal deformation of press fuselage owing to the press operating ambient temperature is high.Slide block appearance and size increases, and the guide rail guiding clearance is diminished, even do not have the requirement of guiding clearance.According to the plane geometry size of slide block, at first determine the angle of guide pass, can make the guide rail spigot surface consistent as far as possible like this, thereby reduce the influence of thermal deformation guide clearance with the thermal deformation direction of slide block, improved the kinematic accuracy retentivity of press.
4. four-corner leveling device
Mounting structure: guide plate installs by screw and plunger, the leveling cylinder is installed on the workbench by screw, pressure tester is installed on external side, power source is installed in to be done on the platform, cylinder mouth locknut is flush-mounted in the cylinder body by screw thread, and cylinder mouth guide pin bushing is flush-mounted in the cylinder body by shoulder in cylinder mouth locknut and the cylinder body, and guide pad is installed in outside the cylinder body, guide post install with guide plate by screw and with guide pad in cooperate, plunger bushing is loaded in the cylinder body.
Operation principle: the four-corner leveling device is a relatively independent control system, and it is installed on four angles of press bed.After entering the descending stage of compacting, patrix is with before blank contacts, and the slide block lower plane just contacts with the leveling cylinder plug that stretches out, and with slower speed plunger is depressed, and the leveling cylinder begins to play a role, and this process continues up to lasting packing stage.The four-corner leveling system works under the leveling capability in its permission all the time before and after the matched moulds: no matter be to go up to rub under the motion state before pressing or four jiaos of injustice that other interference causes, slider tilt, still in working order down, because product is different and blank flows and the distribution asymmetry causes the centre of form of product deformation force and the centre distance deviation of hydraulic press, cause slide block to form eccentricity, make the inclination of slide block, can both react rapidly to the direction of eccentricity effect.At this moment pressure information and displacement information are transported to respectively in the concentrated PLC system and handle, send instruction respectively according to the result who handles the back gained then, control corresponding servo ratio valve events, make it regulate the opening amount, the oil extraction back pressure of control leveling cylinder according to the desired value that sets.Like this, because each cylinder back pressure difference makes slide block produce a relative countertorque and comes the original inclination of balance, thereby continues the maintenance downstream state parallel with workbench, guaranteed the precision of product.
The technical solution used in the present invention is:
Large-scale semisolid die forging hydraulic press, by fuselage, framework platform, master cylinder, dynamical system, electrical system constitutes, fuselage is by entablature, sill, slide block, pillar constitutes by pull bar, master cylinder is connected with dynamical system with the side cylinder, electrical system control dynamical system, be characterized in: the hydraulic press sill is fixed with Lifting Device, the liftout cylinder body is installed in sill, the liftout cylinder body is connected with valve body through flange, valve body is connected with prefill valve, piston bush is loaded in the liftout cylinder body, plunger bushing is loaded in the piston, plunger is fixed on the liftout cylinder body, plunger is interior hollow structure, the liftout pad is installed in top land, anti-rotation flange is installed on the piston, liftout cylinder mouth flange is installed on the liftout cylinder body, liftout cylinder mouth guide pin bushing is installed in the liftout cylinder body, guidance tape and sealing ring are flush-mounted on the piston wall, and guide post is installed in anti-rotation flange, and guide post connects the stroke digital display, the stroke digital display is installed in sill by stroke digital display support, the collision block corresponding with limit switch is installed on the stroke digital display, and sill is equipped with gag lever post, and limit switch is installed on the gag lever post.
The present invention can also adopt following technical measures:
Described large-scale semisolid die forging hydraulic press is characterized in: cylinder mouth guide pin bushing is installed in the cylinder body by shoulder in the cylinder body and cylinder mouth flange, and plunger is installed in cylinder body by locknut.
Described large-scale semisolid die forging hydraulic press, be characterized in: the hydraulic press workbench is equipped with the four-corner leveling device, the leveling cylinder is installed in workbench, and the leveling cylinder is connected with hydraulic oil detector and control valve, and plunger bushing is loaded in the cylinder body, guide plate is installed in plunger, cylinder mouth locknut is flush-mounted in the cylinder body, and cylinder mouth guide pin bushing is flush-mounted in the cylinder body, and guide pad is installed in the cylinder body outside, guide post cooperates with guide pad and is installed in guide plate, and guide plate is equipped with displacement detector.
Described large-scale semisolid die forging hydraulic press is characterized in: fairlead is flush-mounted in the cylinder body by shoulder in cylinder mouth locknut and the cylinder body.
Described large-scale semisolid die forging hydraulic press, be characterized in: hydraulic press is equipped with the slide block anti-drop device, locking cylinder is installed in pillar, piston rod is set in the cylinder body, piston rod one end support slipper, collision block is installed in piston rod, and the cylinder body flange is installed in cylinder body one side, is installed on the spacing bearing of cylinder mouth flange and is fixed with the limit switch that cooperates with collision block.
Described large-scale semisolid die forging hydraulic press is characterized in: slider of hydraulic press is an X type structure, and the outer end is corresponding with four-corner leveling device guide plate position.
Advantage and good effect that the present invention has are:
Large-scale semisolid die forging hydraulic press adopts quick Lifting Device, and for small-sized press, installed power is little, and power is unrestricted, and selects quick Lifting Device for use for large press, has both satisfied rate request, reduces press power again, has saved the energy.The slide block anti-drop device moves forward and backward by locking cylinder, and the impeller-hub motion will be slided fast safe locking at extreme position, realizes that slide block is anti-fall.Slide block X type has reduced the influence of thermal deformation to guide clearance, has improved the kinematic accuracy retentivity of press.The four-corner leveling device makes slide block produce countertorque in pressing process and comes the original inclination of balance, thereby continues to keep the slide block downstream state parallel with workbench, has guaranteed the precision of product.The present invention is simple in structure, precise control, working stability, efficient height, has effectively improved the quality of workpiece.
Description of drawings
Fig. 1 is the large-scale semisolid die forging hydraulic press of a present invention structural representation;
Fig. 2 is quick Lifting Device structural representation;
Fig. 3 is a four-corner leveling apparatus structure schematic diagram;
Fig. 4 is Fig. 3 leveling cylinder structure schematic diagram;
Fig. 5 is Fig. 4 leveling cylinder cross-sectional view;
Fig. 6 is a slide block anti-drop device structural representation;
Fig. 7 is the slide block structure schematic diagram;
Fig. 8 is the corbeling schematic diagram.
Among the figure: 1. dynamical system, 2. fuselage, 3. master cylinder, 4. side cylinder, 5. framework platform, 6. slide block, 7. pillar, 8. travelling table, 9. electrical system, 10. four-corner leveling device, 11. sills, 12. quick Lifting Device, 13. lubricating arrangement, 14. liftout pads, 15. pistons, 16. anti-rotation flanges, 17. cylinder mouth flange, 18. cylinder bodies, 19. cylinder mouth guide pin bushings, 20. fastening locknuts, 21. quick plunger, 22. guidance tapes, 23. Glais rings, 24. flanges, 25. valve body, 26. prefill valves, 27. collision blocks, 28. limit switch, 29. gag lever posts, 30. stroke digital displays, 31. the digital display support, 32. guide posts, 33. guide plates, 34. leveling cylinder 35. manographs, 36. guide pads, 37. guide posts, 38. the valve group, 39. displacement detectors, 40. workbench, 41. cylinder mouth locknut, 42. cylinder mouth guide pin bushings, 43. plungers, 44 cylinder bodies, 45. collision blocks, 46. piston rods, 47. cylinder mouth flange, 49. spacing bearings, 50. limit switches.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 6, Fig. 7 and Fig. 8.
Large-scale semisolid die forging hydraulic press, constitute by fuselage 2, framework platform 5, master cylinder 3, dynamical system 1, electrical system 9, fuselage is made of by pull bar entablature, sill 11, slide block 6, pillar 7, and master cylinder 3 is connected with dynamical system 1 with side cylinder 4, electrical system 9 control dynamical systems 1.Realize the pressing process action by master cylinder 3, side cylinder 4.Provide the energy by dynamical system 1, framework platform 5 is as safety and protector.Electrical system 9 realizes control automatically.Travelling table 8 is realized quick die change and pickup function.Four-corner leveling device 10 balance unbalance loading moments, Lifting Device 12 realizes the quick head part function of press fast, lubricating arrangement 13 provides slide block lead lubricating oil.The product main frame adopts pull bar pretension composite frame structure.Slide block makes main frame have high rigidity by the airframe structure of three 1000 tons of hydraulic oil cylinder driving; Hydraulic control system adopts proportion control, has accurate position, speed and force value; Adopt PLC and secondary meter to constitute digital control system in open type; Adopt exploitation of CAD/CAE/CAM integrated technology and manufacturing; Adopt tele-control system to product quick diagnosis and service, satisfied the requirement of large product operating efficiency.Be the 30000KN semisolid liquid forging accurate digital control hydraulic press that is applicable to that parts such as special vehicle, railway locomotive, automobile are made.
The structure of the large-scale semisolid die forging hydraulic press of the present invention:
1. quick Lifting Device
Hydraulic press sill 11 is fixed with quick Lifting Device 12, cylinder body 18 is installed in sill by fastening locknut 20, piston 15 is set in the cylinder body 18, plunger 21 is set in the piston 15, plunger 21 is packed on the cylinder body 18 by little locknut, plunger 21 is interior hollow structure, the interior thus hollow structure of hydraulic oil enters epicoele, liftout pad 14 is installed in piston 15 tops by screw thread, anti-rotation flange 16 is installed on the piston 15 by screw, cylinder mouth flange 17 is installed on the cylinder body 18 by screw, cylinder mouth guide pin bushing 19 is installed in the cylinder body 18 by shoulder and cylinder mouth flange 17 in the cylinder body 18, guidance tape 22 (4 road) and Glais ring 23 (1 road) are inlaid on piston 15 walls, cylinder body 18 is connected with valve body 25 through flange 24, valve body 25 is connected with prefill valve 26, guide post 32 installs by screw thread and anti-rotation flange 16, guide post 32 connects stroke digital display 30, digital display support 31 is installed on sill 11 lower planes by screw, stroke digital display 30 is installed on the digital display support 31, collision block 27 is installed on the stroke digital display 30, gag lever post 29 is joined and is welded on sill 11 lower planes, and limit switch 28 is installed on the gag lever post 29.
2. four-corner leveling device
The hydraulic press workbench is equipped with four-corner leveling device 10, leveling cylinder 34 is installed in workbench 40 by screw, oil pressure detector 35 is equipped with in leveling cylinder 34 outsides, be connected with hydraulic oil control valve group 38, plunger 43 is set in the cylinder body 44, guide plate 33 is installed in plunger 43, cylinder mouth locknut 41 is flush-mounted in the cylinder body 44 by screw thread, cylinder mouth guide pin bushing 42 is flush-mounted in the cylinder body 44 by shoulder in cylinder mouth locknut 41 and the cylinder body 44, guide pad 36 is installed in leveling cylinder 34 outsides, guide post 37 cooperates by screw with guide pad 36 and is installed in guide plate 33, and guide plate 33 is equipped with displacement detector 39.
3. slide block anti-drop device
Hydraulic press is equipped with the slide block anti-drop device, collision block 45 is installed on the piston rod 46 by screw, piston rod 46 is set in the cylinder body, piston rod 46 1 end support slippers, flange 47 is installed in cylinder body one side by hold-down screw, and the locking cylinder cylinder body is fixed on the pillar by screw by cooperating shoulder and pillar location, spacing bearing 49 is joined weldering with cylinder mouth flange 47, is fixed with the limit switch 50 that cooperates with collision block 45 on the bearing 49.
4. slide block and pillar
Slider of hydraulic press is an X type structure, and the outer end is corresponding with four-corner leveling device guide plate 33 positions.The outer X type octahedral of the guide rail structure employing right angle guide rail structure form of slide block, pillar is for cooperating slider guide, to adopt X type twin props structure, to satisfy owing to press operating ambient temperature height causes the thermal deformation of press fuselage.
Claims (5)
1, a kind of large-scale semisolid die forging hydraulic press, by fuselage, framework platform, master cylinder, dynamical system, electrical system constitutes, fuselage is by entablature, sill, slide block, pillar constitutes by pull bar, master cylinder is connected with dynamical system with the side cylinder, electrical system control dynamical system, it is characterized in that: the hydraulic press sill is fixed with Lifting Device, the liftout cylinder body is installed in sill, the liftout cylinder body is connected with valve body through flange, valve body is connected with prefill valve, piston bush is loaded in the liftout cylinder body, plunger bushing is loaded in the piston, plunger is fixed on the liftout cylinder body, plunger is interior hollow structure, the liftout pad is installed in top land, anti-rotation flange is installed on the piston, liftout cylinder mouth flange is installed on the liftout cylinder body, liftout cylinder mouth guide pin bushing is installed in the liftout cylinder body, guidance tape and sealing ring are flush-mounted on the piston wall, and guide post is installed in anti-rotation flange, and guide post connects the stroke digital display, the stroke digital display is installed in sill by stroke digital display support, the collision block corresponding with limit switch is installed on the stroke digital display, and sill is equipped with gag lever post, and limit switch is installed on the gag lever post.
2, large-scale semisolid die forging hydraulic press according to claim 1 is characterized in that: liftout cylinder mouth guide pin bushing is installed in the liftout cylinder body by shoulder in the liftout cylinder body and liftout cylinder mouth flange, and plunger is installed in the liftout cylinder body by locknut.
3, large-scale semisolid die forging hydraulic press according to claim 1 and 2, it is characterized in that: the hydraulic press workbench is equipped with the four-corner leveling device, the leveling cylinder is installed in workbench, the leveling cylinder is connected with hydraulic oil detector and control valve, plunger bushing is loaded in the leveling cylinder body, guide plate is installed in plunger, leveling cylinder mouth locknut is flush-mounted in the leveling cylinder body, leveling cylinder mouth guide pin bushing is flush-mounted in the leveling cylinder body, guide pad is installed in the leveling cylinder body outside, guide post cooperates with guide pad and is installed in guide plate, and guide plate is equipped with displacement detector.
4, large-scale semisolid die forging hydraulic press according to claim 3 is characterized in that: fairlead is flush-mounted in the leveling cylinder body by shoulder in leveling cylinder mouth locknut and the leveling cylinder body.
5, large-scale semisolid die forging hydraulic press according to claim 1, it is characterized in that: hydraulic press is equipped with the slide block anti-drop device, locking cylinder is installed in pillar, piston rod is set in the locking cylinder body, piston rod one end support slipper, collision block is installed in piston rod, and locking cylinder body flange is installed in locking cylinder body one side, is installed on the spacing bearing of locking cylinder mouth flange and is fixed with the limit switch that cooperates with collision block.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100202531A CN100348344C (en) | 2004-08-09 | 2004-08-09 | Large-scale semi-solid state die forging hydraulic press |
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| CNB2004100202531A CN100348344C (en) | 2004-08-09 | 2004-08-09 | Large-scale semi-solid state die forging hydraulic press |
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| CN1733386A CN1733386A (en) | 2006-02-15 |
| CN100348344C true CN100348344C (en) | 2007-11-14 |
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| CN107520391A (en) * | 2017-09-29 | 2017-12-29 | 中铁隆昌铁路器材有限公司 | Lifting Device and forging press |
| CN114193810B (en) * | 2021-12-15 | 2023-12-29 | 合肥合锻智能制造股份有限公司 | Large split thick plate end socket forming hydraulic press with double-initiative four-corner leveling function |
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| CN1733386A (en) | 2006-02-15 |
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