CN114178461B - Circulating eccentric shaft type two-stage transmission high-speed precise warm forging press - Google Patents
Circulating eccentric shaft type two-stage transmission high-speed precise warm forging press Download PDFInfo
- Publication number
- CN114178461B CN114178461B CN202111505381.5A CN202111505381A CN114178461B CN 114178461 B CN114178461 B CN 114178461B CN 202111505381 A CN202111505381 A CN 202111505381A CN 114178461 B CN114178461 B CN 114178461B
- Authority
- CN
- China
- Prior art keywords
- lower die
- upper die
- eccentric
- mould
- eccentric wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005242 forging Methods 0.000 title claims abstract description 51
- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 230000005484 gravity Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 37
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001125 extrusion Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010275 isothermal forging Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to the technical field of hot die forging machine devices, and discloses a circulating eccentric shaft type two-stage transmission high-speed precise warm hot die forging machine which comprises an installation shell, wherein a reverse component for driving an upper die table and a lower die table to always keep reverse motion is arranged in the installation shell, fit sliding tables matched with two chamfers are also arranged in the installation shell, and the bottoms of the two fit sliding tables are fixedly connected to the installation shell through corresponding supporting springs. The invention realizes the mutual approaching or separating of the upper die table and the lower die table, compared with the traditional one-way casting extrusion mode of the upper die table, the blank is placed on the lower die table and is matched with the synchronous motion of the upper die table and the lower die table, the forming speed of hot die forging can be improved, the time requirement of unit casting frequency is effectively shortened, the economic benefit is improved, the support force can be provided for the lower die table, the tension effect on the fastening nut is reduced, the service life of the fastening nut is prolonged, and the practicability of the whole die forging machine is improved.
Description
Technical Field
The invention relates to the technical field of hot die forging machine devices, in particular to a circulating eccentric shaft type two-stage transmission high-speed precision warm hot die forging machine.
Background
The die forging press is mainly used for hot die forging and isothermal superplastic forming of materials which are difficult to deform, such as aluminum alloy, titanium alloy, high-temperature alloy, powder alloy and the like. The forging method is characterized in that the compactness of a deformation material can be improved through large pressure, long pressure maintaining time and slow deformation speed, the comprehensive performance of the forging is improved by refining material grains, the deformation uniformity of the whole forging is improved, the design requirements of the material difficult to deform and the forging with a complex structure are met through isothermal forging and superplastic deformation, the material can be saved by 40%, and the aim of small machining amount or near net shape is fulfilled. The isothermal die forging hydraulic press is key equipment for producing important forgings by aviation, aerospace and other important machines.
In the field of hot die forging forming, the die forging machines commonly used at present mainly adopt forward extrusion, backward extrusion, forward and backward composite repeated extrusion and other modes, but the extrusion modes only apply pressure to the blank from one direction, when the molds are treated in batches, the hot die forging forming speed is slow, so that the overall time consumption is long, the economic benefit is low, in the prior art, chinese patent documents CN209753901U and CN210045919U respectively provide a circulating lubrication two-stage transmission high-speed precision warm forging machine and an eccentric shaft type two-stage transmission high-speed precision warm forging machine, although the accurate casting is realized and the forming effect of the warm die forging machine is ensured, the method is a casting method of 'one-way' die forging in essence, the casting efficiency of the warm die forging machine is not improved essentially intuitively, therefore, the circulating eccentric shaft type two-stage transmission high-speed precision warm forging press meets the casting requirement of the blank.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a circulating type eccentric shaft type two-stage transmission high-speed precise warm forging press, which has the advantages of rapid casting forming and the like and solves a series of problems of low efficiency and the like of the forging press in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a circulating eccentric shaft type two-stage transmission high-speed precise warm forging press comprises an installation shell, wherein an upper die table and a lower die table which are matched and used for stamping a blank to form a forged piece are arranged in the installation shell, a reverse component for driving the upper die table and the lower die table to always keep reverse motion is arranged in the mounting shell, the reverse component comprises a central rotating shaft rotatably arranged on the mounting shell, an upper die eccentric wheel and a lower die eccentric wheel fixedly sleeved on the central rotating shaft, the upper die eccentric wheel and the lower die eccentric wheel are positioned on different axes with the central rotating shaft, and the upper die eccentric wheel and the lower die eccentric wheel keep malposition movement on the central rotating shaft, the upper die eccentric wheel and the lower die eccentric wheel are respectively connected with the upper die table and the lower die table through an upper die rotating connecting piece and a lower die rotating connecting piece;
lower mould platform slidable mounting be in the installation housing, just the chamfer has all been seted up to the both sides of lower mould platform, the lower mould rotate the bottom of connecting piece through corresponding perpendicular connecting rod and fastening nut with lower mould platform fixed connection, still be equipped with respectively in the installation housing with two the sliding table that agrees with of chamfer looks adaptation, and two the bottom of agreeing with the sliding table all through the supporting spring fixed connection that corresponds on the installation housing, two supporting spring keeps compression state throughout and can makes agree with the sliding table with corresponding the chamfer closely laminates.
Preferably, the top of installation casing is fixed mounting still has the ability to drive center pivot pivoted actuating mechanism, actuating mechanism contains interconnect's driving motor and reduction gear, the top fixed mounting of installation casing has driving motor, just driving motor's output with the input of reduction gear is connected, the output fixedly connected with driving pulley of reduction gear, it has cup jointed to rotate on the installation casing center pivot, just the both ends of center pivot all run through the installation casing extends to respectively outside the both sides of installation casing, the one end of center pivot still fixedly connected with center pivot coaxial line and diameter are greater than driving pulley's speed reduction pulley, speed reduction pulley with the last tensioning of driving pulley has same driving belt.
Preferably, the fixed mould eccentric wheel of having cup jointed in central point on the central rotating shaft, go up the mould eccentric wheel with the central rotating shaft disalignment just go up still to rotate on the mould eccentric wheel and cup joint the mould and rotate the connecting piece, go up the mould and rotate the bottom of connecting piece and seted up the spread groove, fixedly connected with is the same last mould connecting axle on the both sides inner wall of spread groove, just go up the top fixedly connected with connecting block of mould platform, the connecting block rotates to cup joint on the last mould connecting axle.
Preferably, the central rotating shaft is further fixedly connected with two lower die eccentric wheels which correspond to each other in position and are respectively positioned at two sides of the upper die eccentric wheel, the two lower die eccentric wheels are not coaxial with the central rotating shaft, the two lower die eccentric wheels are sleeved on the central rotating shaft at the same angle, the two lower die eccentric wheels and the upper die eccentric wheel keep rotating in a staggered manner, when the gravity center of the upper die eccentric wheel rotates to the highest position, the gravity centers of the two lower die eccentric wheels can be just positioned at the lowest position, the two lower die eccentric wheels are rotatably sleeved with the lower die rotating connecting piece, and the bottom end of the lower die rotating connecting piece is rotatably connected with a lower die connecting shaft, the lower die connecting shaft is rotatably sleeved with the vertical connecting rods, and the bottom ends of the vertical connecting rods are fixedly connected with the same lower die table.
Preferably, the two vertical connecting rods are sleeved on the upper die table and the lower die table in a sliding manner, the bottom ends of the two vertical connecting rods penetrate through the upper die table and the lower die table and extend to one side of the lower die table, the two vertical connecting rods are sleeved with the two fastening nuts in a threaded manner, the two fastening nuts at the same height are respectively located on two sides of the lower die table, and the bottom end of the upper die table is further provided with two adaptive grooves matched with the fastening nuts.
Preferably, still fixed mounting has last mould deflector in the installation casing, the bottom of going up the mould platform is established to slide the cover and is gone up on the mould deflector, the bottom of installation casing still fixed mounting be used for bearing the bottom plate of lower mould platform, offer on the bottom plate and be used for the slip cap to establish the irregular guiding hole of lower mould platform, just the lower mould platform can be in all the time keep sliding in the irregular guiding hole.
Preferably, the top of bottom plate is two fixed axles that the position is corresponding still fixedly connected with, two equal sliding sleeve has agreed with the slip table on the fixed axle, and two agree with the slip table be trapezium structure and respectively with correspond set up on the lower mould bench the chamfer is laminated mutually, two all cup jointed on the fixed axle supporting spring, two supporting spring's both ends fixed connection respectively is in the bottom plate with correspond agree with on the slip table, and two supporting spring keeps compression state.
Preferably, the lower mould bench has seted up annular seal groove, just the bottom fixedly connected with of upper mould bench with the sealed bulge loop of annular seal groove looks adaptation, the upper mould bench with the lower mould bench is close to each other and when extruding the foundry goods, sealed bulge loop is prior to the foundry goods shaping to slide extremely in the annular seal groove.
Preferably, the lower die table is further provided with an overflow groove for collecting extruded blanks, and the overflow groove is located on the inner side of the annular sealing groove.
(III) advantageous effects
Compared with the prior art, the invention provides a circulating eccentric shaft type two-stage transmission high-speed precise warm hot die forging machine, which has the following beneficial effects:
1. when a pressure casting is applied to a blank, the circulating eccentric shaft type two-stage transmission high-speed precise warm forging die forging machine rotates through the central rotating shaft, and drives the upper die table below to lift through the rotating connection effect of the upper die connecting shaft, because the lower die eccentric wheels and the upper die eccentric wheels are arranged in a staggered manner, when the gravity center of the upper die eccentric wheels is positioned at the highest position, the gravity centers of the two lower die eccentric wheels are just positioned at the lowest position, so that the two lower die rotating connecting pieces and the upper die rotating connecting pieces are kept in staggered lifting, and further the lower die table and the upper die table are kept in reverse lifting motion through the connection effect of the lower die connecting shaft and the vertical connecting rod, so that the upper die table and the lower die table are close to or far away from each other, compared with the traditional one-way extrusion casting mode of the upper die table, the blank is placed on the lower die table and matched with the synchronous motion of the upper die table and the lower die table, the forming speed of hot die forging can be improved, the time requirement for unit casting frequency is effectively shortened, and the economic benefit is improved.
2. This high-speed accurate warm die forging machine of circulating eccentric shaft type secondary drive, through setting up the sliding table that agrees with lower die bed looks adaptation, all keep abundant compression state at arbitrary moment because supporting spring, thereby make the sliding table that agrees with of both sides provide the holding power to lower die bed all the time, in the foundry goods is in the twinkling of an eye, agree with the sliding table and supporting spring not only can play the cushioning effect and receive the impact and cause not hard up the influence in order to reduce fastening nut, can also provide the holding power to lower die bed, reduce the pulling force effect that comes from perpendicular connecting rod transmission that fastening nut received, further prolong fastening nut's life, improve the practicality of whole die forging machine.
3. According to the circulating type eccentric shaft type two-stage transmission high-speed precise warm forging press, the sealing convex ring is arranged, a cavity required by forming is wrapped when a casting is formed, so that the situation that blanks in a molten state are sputtered outwards when the casting is formed is avoided, the safety during casting is improved, and by arranging the overflow groove, redundant blanks can overflow the cavity required by casting forming and can actively enter the overflow groove when the casting is formed, so that centralized collection is completed, and subsequent cleaning operation of the device is facilitated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the mounting housing of the present invention;
FIG. 3 is a schematic view of the interior of the present invention;
FIG. 4 is a schematic view of the internal perspective structure of the present invention;
FIG. 5 is a schematic view of another perspective cut-away view of the mounting housing of the present invention;
FIG. 6 is a perspective view of the central shaft of the present invention;
FIG. 7 is a schematic perspective view of an internal portion of the present invention;
FIG. 8 is a schematic top perspective view of the upper and lower mold tables according to the present invention;
fig. 9 is a schematic bottom perspective view of the upper mold table and the lower mold table of the present invention.
In the figure: 1. installing a shell; 2. feeding a die table; 3. a lower die table; 4. a central rotating shaft; 5. a reduction pulley; 6. an upper die eccentric wheel; 7. the upper die rotates the connecting piece; 8. an upper die connecting shaft; 9. a lower die eccentric wheel; 10. the lower die rotates the connecting piece; 11. a lower die connecting shaft; 12. a vertical connecting rod; 13. fastening a nut; 14. an upper die guide plate; 15. a fixed shaft; 16. fitting a sliding table; 17. a support spring; 18. an annular seal groove; 19. a sealing convex ring; 20. an overflow trough; 21. a base plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As described in the background of the invention, the defects in the prior art are overcome, and in order to solve the technical problems, the application provides a circulating eccentric shaft type two-stage transmission high-speed precise warm forging press.
In a typical embodiment of the present application, as shown in fig. 1-9, a circular eccentric shaft type two-stage transmission high-speed precision warm forging press comprises a mounting housing 1, an upper die table 2 and a lower die table 3 adapted to each other and used for stamping a blank to form a forged piece, the mounting housing 1 is provided with a reverse component for driving the upper die table 2 and the lower die table 3 to always keep reverse motion, the reverse component comprises a central rotating shaft 4 rotatably mounted on the mounting housing 1 and an upper die eccentric 6 and a lower die eccentric 9 fixedly sleeved on the central rotating shaft 4, the upper die eccentric 6 and the lower die eccentric 9 are both positioned on different axes with the central rotating shaft 4, the upper die eccentric 6 and the lower die eccentric 9 keep dislocation motion on the central rotating shaft 4, the upper die eccentric 6 and the lower die eccentric 9 are connected with the upper die table 2 and the lower die table 3 through an upper die rotation connecting piece 7 and a lower die rotation connecting piece 10 respectively, when a pressure casting needs to be applied to a blank, the upper die eccentric wheel 6 and the two lower die eccentric wheels 9 with the same size rotate synchronously through the rotation of the central rotating shaft 4, when the upper die eccentric wheel 6 rotates, the upper die rotating connecting piece 7 which is rotatably sleeved on the upper die rotating connecting piece can be driven to lift along with the gravity center of the upper die rotating connecting piece, and the upper die table 2 below is driven to lift through the rotating connecting action of the upper die connecting shaft 8, in the process, because the lower die eccentric wheel 9 and the upper die eccentric wheel 6 are arranged in a staggered mode, when the gravity center of the upper die eccentric wheel 6 is located at the highest position, the gravity centers of the two lower die eccentric wheels 9 are just located at the lowest position, so that the two lower die rotating connecting pieces 10 and the upper die rotating connecting piece 7 keep lifting in a staggered mode, and further through the connecting action of the lower die connecting shaft 11 and the vertical connecting rod 12, the lower die table 3 and the upper die table 2 keep lifting reversely, therefore, the upper die table 2 and the lower die table 3 are close to or far away from each other, and compared with the traditional casting mode (namely, the one-way extrusion effect of the upper die table 2), the blank is placed on the lower die table 3 and is matched with the synchronous movement of the upper die table 2 and the lower die table 3, so that the forming rate of hot die forging is improved, the time requirement of unit casting frequency is effectively shortened, and the economic benefit is improved;
the lower die table 3 is slidably mounted in the mounting shell 1, chamfers are arranged on two sides of the lower die table 3, the bottom end of the lower die rotating connecting piece 10 is fixedly connected with the lower die table 3 through a corresponding vertical connecting rod 12 and a fastening nut 13, a matching sliding table 16 respectively matched with the two chamfers is further arranged in the mounting shell 1, the bottoms of the two matching sliding tables 16 are fixedly connected on the mounting shell 1 through corresponding supporting springs 17, the two supporting springs 17 are always in a compressed state and can enable the matching sliding tables 16 to be tightly attached to the corresponding chamfers, in the application, as a casting mode of reversely extruding the upper die table 2 and the lower die table 3 is adopted, although the casting speed is effectively improved, compared with a traditional 'one-way' extruding mode, when a casting is formed by die casting, as a strong extruding force acts, the connecting piece of the lower die table 3 and the vertical connecting rod 12 can be formed, that is, the fastening nut 13 receives strong impact, under many times of casting impact, may make the fastening nut 13 take place not hard up or impaired phenomenon, thereby aggravate the wearing and tearing of connecting piece, through setting up the slip table 16 that agrees with lower platen 3 looks adaptation, because supporting spring 17 all keeps abundant compression state at any moment, thereby make the slip table 16 that agrees with of both sides provide the holding power to lower platen 3 all the time, in the foundry goods is in the twinkling of an eye, agree with slip table 16 and supporting spring 17 not only can play certain cushioning effect and be used for reducing the impact influence that fastening nut 13 received, can also provide the holding power to lower platen 3, reduce the pulling force effect that comes from the transmission of vertical connecting rod 12 that fastening nut 13 received, further prolong the life of fastening nut 13, improve the practicality of whole die forging machine.
As a preferred embodiment in this embodiment, a driving mechanism capable of driving the central rotating shaft 4 to rotate is further fixedly installed on the top of the installation housing 1, the driving mechanism includes a driving motor and a speed reducer connected to each other, the driving motor is fixedly installed on the top of the installation housing 1, an output end of the driving motor is connected to an input end of the speed reducer, an output end of the speed reducer is fixedly connected to a driving pulley, the installation housing 1 is rotatably sleeved with the central rotating shaft 4, two ends of the central rotating shaft 4 both penetrate through the installation housing 1 and respectively extend out of two sides of the installation housing 1, one end of the central rotating shaft 4 is further fixedly connected to a decelerating pulley 5 coaxial with the central rotating shaft 4 and having a diameter larger than that of the driving pulley, the decelerating pulley 5 and the driving pulley are tensioned with a same driving belt, when a casting is required, the driving motor indirectly drives the decelerating pulley 5 to rotate at a low speed through the driving belt by a decelerating function of the speed reducer, thereby improving the torque of the reduction pulley 5, enabling the central rotating shaft 4 to stably rotate, and ensuring that the central rotating shaft 4 can provide sufficient rotating power for the upper die eccentric wheel 6 and the lower die eccentric wheel 9.
As a preferred embodiment in the embodiment, an upper mold eccentric wheel 6 is fixedly sleeved on a central position on a central rotating shaft 4, the upper mold eccentric wheel 6 is not coaxial with the central rotating shaft 4, an upper mold rotating connecting piece 7 is also rotatably sleeved on the upper mold eccentric wheel 6, a connecting groove is formed at the bottom end of the upper mold rotating connecting piece 7, the inner walls at two sides of the connecting groove are fixedly connected with the same upper mold connecting shaft 8, the top end of an upper mold table 2 is fixedly connected with a connecting piece, the connecting piece is rotatably sleeved on the upper mold connecting shaft 8, the central rotating shaft 4 is also fixedly connected with two lower mold eccentric wheels 9 which are correspondingly positioned and respectively positioned at two sides of the upper mold eccentric wheel 6, the two lower mold eccentric wheels 9 are not coaxial with the central rotating shaft 4, the two lower mold eccentric wheels 9 are sleeved on the central rotating shaft 4 at the same angle, and the two lower mold eccentric wheels 9 are all in staggered rotation with the upper mold eccentric wheel 6, when the gravity center of the upper die eccentric wheel 6 rotates to the highest position, the gravity centers of the two lower die eccentric wheels 9 can be just positioned at the lowest position, the two lower die eccentric wheels 9 are respectively rotatably sleeved with a lower die rotating connecting piece 10, the bottom ends of the two lower die rotating connecting pieces 10 are respectively rotatably connected with a lower die connecting shaft 11, the two lower die connecting shafts 11 are also respectively rotatably sleeved with a vertical connecting rod 12, the bottom ends of the two vertical connecting rods 12 are respectively and fixedly connected with the same lower die table 3, when the upper die eccentric wheel 6 rotates along with the central rotating shaft 4, the gravity center height of the upper die eccentric wheel 6 is continuously changed, so that the gravity center height of the upper die rotating connecting piece 7 rotatably sleeved with the upper die eccentric wheel is continuously changed, and the upper die table 2 below is continuously lifted through the rotating connecting action of the upper die connecting shaft 8, thereby realizing the casting operation of blanks, because the lower die eccentric wheel 9 and the upper die eccentric wheel 6 are kept in dislocation lifting, the lower die rotating connecting piece 10 and the upper die rotating connecting piece 7 are kept in reverse lifting motion, the lower die table 3 and the upper die table 2 are kept in reverse lifting motion through the connecting action of the lower die connecting shaft 11 and the vertical connecting rod 12, and therefore mutual extrusion or separation of the lower die table 3 and the upper die table 2 is achieved, and the forming rate of castings is improved.
As a preferred embodiment in this embodiment, two vertical connecting rods 12 are slidably sleeved on the upper mold table 2 and the lower mold table 3, and the bottom ends of the two vertical connecting rods 12 penetrate through the upper mold table 2 and the lower mold table 3 and extend to one side of the lower mold table 3, two fastening nuts 13 are screwed on the two vertical connecting rods 12, and two sets of fastening nuts 13 at the same height are respectively located on two sides of the lower mold table 3, and the bottom end of the upper mold table 2 is further provided with two adapting grooves adapted to the fastening nuts 13, in this application, the lower mold table 3 and the vertical connecting rods 12 are fixedly connected by the fastening nuts 13 distributed up and down on two sides, so that the lower mold rotating connecting piece 10 drives the vertical connecting rods 12 up and down through the lower mold connecting shaft 11, the lower mold table 3 can follow up-and down movement, in addition, conventional gaskets can be further arranged between the fastening nuts 13 and the lower mold table 3, therefore, the connection strength of the fastening nut 13 is improved, and the fastening nut 13 can be buffered during stamping, so that the service life of the fastening nut 13 is prolonged.
As a preferred embodiment in this embodiment, an upper mold guide plate 14 is further fixedly installed in the installation housing 1, the bottom end of the upper mold table 2 is slidably sleeved on the upper mold guide plate 14, a bottom plate 21 for carrying the lower mold table 3 is further fixedly installed at the bottom end of the installation housing 1, an irregular guide hole for slidably sleeving the lower mold table 3 is opened on the bottom plate 21, and the lower mold table 3 can always slide in the irregular guide hole, the upper die guide plate 14 and the irregular guide holes which are respectively clamped with the upper die table 2 and the lower die table 3 can guide the upper die table 2 and the lower die table 3 when the upper die table 2 and the lower die table 3 are lifted, thereby cooperate and go up moulding platform 2 and 3 self action of gravity of lower moulding platform for go up moulding platform 2 and lower moulding platform 3 can remain vertical lift throughout, and then ensure to avoid the dislocation between last moulding platform 2 and the lower moulding platform 3, guarantee the precision of foundry goods.
As a preferred embodiment in this embodiment, two fixing shafts 15 corresponding to each other are fixedly connected to the top of the bottom plate 21, the two fixing shafts 15 are slidably sleeved with the matching sliding table 16, and the two fitting sliding tables 16 are both in a trapezoidal structure and are respectively attached to chamfers arranged on the corresponding lower die tables 3, the two fixed shafts 15 are respectively sleeved with the supporting springs 17, the two ends of the two supporting springs 17 are respectively and fixedly connected to the bottom plate 21 and the corresponding fitting sliding tables 16, and the two supporting springs 17 are kept in a compressed state, the matched sliding tables 16 at the two sides can always keep upward supporting force on the lower die table 3 through the elastic force action of the supporting spring 17, thereby improving the stability of the lower mold table 3 and reducing the impact strength of the fastening nut 13 during casting, and the matching sliding table 16 should preferably be made of an elastic material such as natural rubber.
As a preferred embodiment in this embodiment, an annular sealing groove 18 is formed in the lower mold table 3, and a sealing convex ring 19 adapted to the annular sealing groove 18 is fixedly connected to the bottom of the upper mold table 2, when the upper mold table 2 and the lower mold table 3 approach each other and extrude a casting, the sealing convex ring 19 slides into the annular sealing groove 18 preferentially before the casting is formed, it should be noted that, no matter whether a cavity required for the casting forming is a concave-convex fit or other fit manner, the length of the sealing convex ring 19 should be enough to wrap the cavity required for the forming during the forming, so as to prevent a blank in a molten state from sputtering outward during the casting, thereby improving safety during the casting.
As a preferred embodiment in this embodiment, the lower die table 3 is further provided with an overflow chute 20 for collecting extruded billets, and the overflow chute 20 is located inside the annular seal groove 18, and by providing the overflow chute 20, redundant billets can overflow a cavity required for molding castings and actively enter the overflow chute 20 during casting, so that centralized collection is completed, and subsequent cleaning operation of the device is facilitated.
The working principle of the invention is as follows: when a pressure casting is applied to a blank, the upper die eccentric wheel 6 and the two lower die eccentric wheels 9 with the same size are synchronously rotated through the rotation of the central rotating shaft 4, when the upper die eccentric wheel 6 rotates, the upper die rotating connecting piece 7 which is rotatably sleeved on the upper die rotating connecting piece can be driven to lift along with the gravity center of the upper die rotating connecting piece 7, and the upper die table 2 below is driven to lift through the rotating connecting action of the upper die connecting shaft 8, in the process, because the lower die eccentric wheel 9 and the upper die eccentric wheel 6 are arranged in a staggered mode, when the gravity center of the upper die eccentric wheel 6 is located at the highest position, the gravity centers of the two lower die eccentric wheels 9 are just located at the lowest position, so that the two lower die rotating connecting pieces 10 and the upper die rotating connecting piece 7 are kept in a staggered mode to lift, further, through the connecting action of the lower die connecting shaft 11 and the vertical connecting rod 12, the lower die table 3 and the upper die table 2 are kept in a reverse lifting motion, and the upper die table 2 and the lower die table 3 are close to or far away from each other, compared with the traditional one-way casting extrusion mode of the upper die table 2, the blank is placed on the lower die table 3, and the forming speed of hot die forging can be improved by matching with the synchronous motion of the upper die table 2 and the lower die table 3, so that the time requirement for unit casting frequency is effectively shortened, and the economic benefit is improved;
by arranging the fit sliding table 16 matched with the lower die table 3, the support spring 17 is kept in a fully compressed state at any time, so that the fit sliding tables 16 on two sides always provide support force for the lower die table 3, and at the moment of casting, the fit sliding table 16 and the support spring 17 not only can play a buffering role to reduce the loosening influence of the fastening nut 13 due to impact, but also can provide support force for the lower die table 3, reduce the tensile force of the fastening nut 13 from the vertical connecting rod 12, further prolong the service life of the fastening nut 13 and improve the practicability of the whole die forging machine;
through setting up sealed bulge loop 19, play the parcel effect to the required cavity of shaping when the foundry goods shaping to the blank under the honor molten condition outwards sputters when avoiding the foundry goods, thereby security when improving the foundry goods, through setting up overflow launder 20, unnecessary blank can spill over the required cavity of foundry goods shaping and initiatively get into in the overflow launder 20 during the foundry goods, accomplishes and concentrates the collection, makes things convenient for follow-up clearance operation to the device.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high-speed accurate warm die forging machine that heats of circulating eccentric shaft type second grade transmission, includes installation casing (1), be equipped with looks adaptation in installation casing (1) and be used for punching press blank shaping and obtain last moulding stage (2) and lower moulding stage (3) of forging, its characterized in that: a reverse component for driving the upper die table (2) and the lower die table (3) to always keep reverse motion is arranged in the mounting shell (1), the reverse component comprises a central rotating shaft (4) rotatably arranged on the mounting shell (1) and an upper die eccentric wheel (6) and a lower die eccentric wheel (9) fixedly sleeved on the central rotating shaft (4), the upper die eccentric wheel (6) and the lower die eccentric wheel (9) are both positioned on different axes with the central rotating shaft (4), and the upper die eccentric wheel (6) and the lower die eccentric wheel (9) keep malposition movement on the central rotating shaft (4), the upper die eccentric wheel (6) and the lower die eccentric wheel (9) are respectively connected with the upper die table (2) and the lower die table (3) through an upper die rotary connecting piece (7) and a lower die rotary connecting piece (10);
lower die table (3) slidable mounting be in installation casing (1), just the chamfer has all been seted up to the both sides of lower die table (3), the lower mould rotate the bottom of connecting piece (10) through corresponding perpendicular connecting rod (12) and fastening nut (13) with lower die table (3) fixed connection, still be equipped with respectively in installation casing (1) with two the agree with slip table (16) of chamfer looks adaptation, and two the bottom of agreeing with slip table (16) all through corresponding supporting spring (17) fixed connection be in on installation casing (1), two supporting spring (17) remain compression state throughout and can make agree with slip table (16) and correspond the chamfer closely laminates.
2. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 1, characterized in that: the top of the mounting shell (1) is also fixedly provided with a driving mechanism which can drive the central rotating shaft (4) to rotate, the driving mechanism comprises a driving motor and a speed reducer which are connected with each other, the driving motor is fixedly installed at the top of the installation shell (1), the output end of the driving motor is connected with the input end of the speed reducer, the output end of the speed reducer is fixedly connected with a driving belt pulley, the mounting shell (1) is rotatably sleeved with the central rotating shaft (4), and both ends of the central rotating shaft (4) penetrate through the mounting shell (1) and respectively extend out of both sides of the mounting shell (1), one end of the central rotating shaft (4) is also fixedly connected with a speed reducing belt pulley (5) which is coaxial with the central rotating shaft (4) and has a diameter larger than that of the driving belt pulley, the same transmission belt is tensioned on the speed reduction belt pulley (5) and the driving belt pulley.
3. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 2, characterized in that: go up central point and put fixed the having cup jointed of central point in central pivot (4) and go up mould eccentric wheel (6), go up mould eccentric wheel (6) with central pivot (4) disalignment just go up mould eccentric wheel (6) and go up still to rotate and cup joint and go up mould rotation connecting piece (7), go up the bottom that mould rotation connecting piece (7) and seted up the spread groove, fixedly connected with is same to go up mould connecting axle (8) on the both sides inner wall of spread groove, just go up the top fixedly connected with connecting block of mould platform (2), the connecting block rotates to cup joint go up mould connecting axle (8).
4. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 3, characterized in that: the central rotating shaft (4) is further fixedly connected with two lower die eccentric wheels (9) which are arranged at two corresponding positions and respectively positioned at two sides of the upper die eccentric wheel (6), the two lower die eccentric wheels (9) are not coaxial with the central rotating shaft (4), the two lower die eccentric wheels (9) are sleeved on the central rotating shaft (4) at the same angle, the two lower die eccentric wheels (9) and the upper die eccentric wheel (6) are in staggered rotation, when the gravity center of the upper die eccentric wheel (6) rotates to the highest position, the gravity centers of the two lower die eccentric wheels (9) can be just positioned at the lowest position, the two lower die eccentric wheels (9) are rotationally sleeved with the lower die rotary connecting piece (10), the bottom ends of the two lower die rotary connecting pieces (10) are rotationally connected with a lower die connecting shaft (11), the two lower die connecting shafts (11) are also rotationally sleeved with the vertical connecting rod (12), the bottom ends of the two vertical connecting rods (12) are fixedly connected with the same lower die table (3).
5. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 4, characterized in that: two perpendicular connecting rod (12) all slide to cup joint go up mould platform (2) with on lower mould platform (3), and two the bottom of perpendicular connecting rod (12) all runs through go up mould platform (2) with lower mould platform (3) and extend to one side of lower mould platform (3), two equal threaded sleeve has two fastening nut (13) on perpendicular connecting rod (12), and two sets of on the same height fastening nut (13) are located respectively the both sides of lower mould platform (3), the bottom of going up mould platform (2) still seted up two with the adaptation groove of fastening nut (13) looks adaptation.
6. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 5, wherein: still fixed mounting has last mould deflector (14) in installation casing (1), the bottom slip cap of going up mould platform (2) is established go up on mould deflector (14), the bottom of installation casing (1) still fixed mounting have and is used for bearing bottom plate (21) of lower mould platform (3), it establishes to have seted up on bottom plate (21) to be used for the slip cap the irregular guiding hole of lower mould platform (3), just lower mould platform (3) can be in all the time keep sliding in the irregular guiding hole.
7. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 6, characterized in that: fixed axle (15), two that the top of bottom plate (21) is two still fixedly connected with positions is corresponding, two equal slip on fixed axle (15) has cup jointed and has agreed with slip table (16), and two agree with slip table (16) be trapezium structure and respectively with correspond set up on lower mould platform (3) the chamfer is laminated mutually, two all cup jointed on fixed axle (15) supporting spring (17), two the both ends of supporting spring (17) are fixed connection respectively in bottom plate (21) and corresponding agree with on slip table (16) on, and two supporting spring (17) keep compression state.
8. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 1, characterized in that: an annular sealing groove (18) is formed in the lower die table (3), and a sealing convex ring (19) matched with the annular sealing groove (18) is fixedly connected to the bottom of the upper die table (2).
9. The circulating eccentric shaft type two-stage transmission high-speed precise warm forging press according to claim 8, characterized in that: an overflow groove (20) used for collecting extruded blanks is further formed in the lower die table (3), and the overflow groove (20) is located on the inner side of the annular sealing groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505381.5A CN114178461B (en) | 2021-12-10 | 2021-12-10 | Circulating eccentric shaft type two-stage transmission high-speed precise warm forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505381.5A CN114178461B (en) | 2021-12-10 | 2021-12-10 | Circulating eccentric shaft type two-stage transmission high-speed precise warm forging press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114178461A CN114178461A (en) | 2022-03-15 |
| CN114178461B true CN114178461B (en) | 2022-07-26 |
Family
ID=80604300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111505381.5A Active CN114178461B (en) | 2021-12-10 | 2021-12-10 | Circulating eccentric shaft type two-stage transmission high-speed precise warm forging press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114178461B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB215612A (en) * | 1923-06-15 | 1924-05-15 | John Hanbury Farrer | Improvements in machines for horseshoe manufacture |
| DE2748235A1 (en) * | 1976-10-30 | 1978-05-03 | Sumitomo Metal Ind | DIE FORGING PRESS |
| CN206445159U (en) * | 2016-12-30 | 2017-08-29 | 无锡明珠钢球有限公司 | A kind of cam-type riveting mechanism |
| CN107971441A (en) * | 2017-11-14 | 2018-05-01 | 宜昌江峡船用机械有限责任公司 | Hotdie forging press and control method |
| CN209811123U (en) * | 2018-12-29 | 2019-12-20 | 盐城昱祺机械制造有限公司 | Bidirectional closed forging die |
| CN210045919U (en) * | 2018-11-30 | 2020-02-11 | 浙江精勇精锻机械有限公司 | Eccentric shaft type two-stage transmission high-speed precision warm forging press |
| CN212042500U (en) * | 2020-04-05 | 2020-12-01 | 浙江三维大通精锻科技有限公司 | Bidirectional closed hot die forging die for cross shaft |
| CN212239063U (en) * | 2020-04-16 | 2020-12-29 | 邵基雄 | Hot die forging press |
| CN112775413A (en) * | 2021-01-07 | 2021-05-11 | 北京北方车辆集团有限公司 | Liquid forging extrusion die with overflow launder |
| CN113680941A (en) * | 2021-08-03 | 2021-11-23 | 戴颖航 | Bidirectional hammering forging press |
-
2021
- 2021-12-10 CN CN202111505381.5A patent/CN114178461B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB215612A (en) * | 1923-06-15 | 1924-05-15 | John Hanbury Farrer | Improvements in machines for horseshoe manufacture |
| DE2748235A1 (en) * | 1976-10-30 | 1978-05-03 | Sumitomo Metal Ind | DIE FORGING PRESS |
| CN206445159U (en) * | 2016-12-30 | 2017-08-29 | 无锡明珠钢球有限公司 | A kind of cam-type riveting mechanism |
| CN107971441A (en) * | 2017-11-14 | 2018-05-01 | 宜昌江峡船用机械有限责任公司 | Hotdie forging press and control method |
| CN210045919U (en) * | 2018-11-30 | 2020-02-11 | 浙江精勇精锻机械有限公司 | Eccentric shaft type two-stage transmission high-speed precision warm forging press |
| CN209811123U (en) * | 2018-12-29 | 2019-12-20 | 盐城昱祺机械制造有限公司 | Bidirectional closed forging die |
| CN212042500U (en) * | 2020-04-05 | 2020-12-01 | 浙江三维大通精锻科技有限公司 | Bidirectional closed hot die forging die for cross shaft |
| CN212239063U (en) * | 2020-04-16 | 2020-12-29 | 邵基雄 | Hot die forging press |
| CN112775413A (en) * | 2021-01-07 | 2021-05-11 | 北京北方车辆集团有限公司 | Liquid forging extrusion die with overflow launder |
| CN113680941A (en) * | 2021-08-03 | 2021-11-23 | 戴颖航 | Bidirectional hammering forging press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114178461A (en) | 2022-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8418521B2 (en) | Double closed hydraulic mould stand | |
| CN102380517B (en) | Multifunctional vibration extrusion die based on electro-hydraulic servo driving | |
| CN101708526B (en) | Method and die for forming driven helical gear profile of automobile rear axle | |
| WO2013123730A1 (en) | Bidirectional double-punching can body stretcher | |
| CN201815618U (en) | Precision forging die capable of forging tooth form of straight toothed spur gear | |
| CN201120507Y (en) | Stephanoporate in-mold tapping machine | |
| CN104858429A (en) | Shaping rotation feeding and discharging device and shaper with same | |
| CN110918938B (en) | Workpiece extrusion and torsion composite integrated forming method and forming device | |
| CN206551517U (en) | A kind of two point double action press device | |
| CN114178461B (en) | Circulating eccentric shaft type two-stage transmission high-speed precise warm forging press | |
| CN101209597A (en) | Hydraulic punching machine | |
| CN202316617U (en) | Multifunctional vibrating extrusion mold based on hydraulic servo-drive | |
| CN2187503Y (en) | Swinging roll compaction machine | |
| CN110216182B (en) | Servo drive pressing device | |
| CN102248691A (en) | Energy-saving precise press with multiple connecting rods | |
| CN208341543U (en) | A kind of bottom plate convenient for adjusting fixation | |
| CN109013817B (en) | Cone rolling machine | |
| CN207043153U (en) | The upper end cover progressive die is used in a kind of compressor production | |
| CN214023399U (en) | Die casting die's buffer | |
| CN204620792U (en) | The efficient forcing press of closed double-point | |
| CN214349359U (en) | Bearing ring forging processing production line | |
| CN210023394U (en) | Eccentric wheel type stamping device | |
| CN105013996A (en) | Eccentric gear split crankshaft type stroke-adjustable servo press | |
| CN201376010Y (en) | Pressing machine | |
| CN101596619A (en) | A kind of billet shearing machine without machine frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A circulating eccentric shaft type two-stage transmission high-speed precision warm forging machine Effective date of registration: 20231017 Granted publication date: 20220726 Pledgee: Industrial and Commercial Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: ZHEJIANG JINGYONG FORGING MACHINERY Co.,Ltd. Registration number: Y2023980061414 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |