Die casting equipment of semi-solid state foundry goods
Technical Field
The invention relates to the technical field of stamping and injection molding, in particular to die-casting equipment for a semi-solid casting.
Background
The die-casting is a metal casting process, and is characterized in that a high pressure is applied to molten metal by utilizing a die cavity, so that the die-casting is a part processing manufacturing mode, a lubricant is required to be sprayed into a die cavity in the preparation process of die-casting, the lubricant can help to control the temperature of the die and can also help to demould a casting, however, the conventional device usually needs manpower to oil and lubricate the die cavity and a piston push rod in the lubrication aspect, so that the use complexity is improved, a bottom die is usually directly impacted, the stress of a supporting part and the die is large, and the opposite impact movement cannot be realized, so that the manufacturing accuracy of forming at the bottom die is poor.
Disclosure of Invention
The invention aims to provide a die casting device for a semi-solid casting, which solves the existing problems that: the existing device usually needs manpower to lubricate the lubricating aspects of the die cavity and the piston push rod, and the use complexity is improved.
In order to achieve the purpose, the invention provides the following technical scheme: a die-casting device for semi-solid castings comprises a die-casting table, wherein a coordination fixed plate is fixed at one end of the top end of the die-casting table, a first hydraulic piston cylinder is fixed at one end of the coordination fixed plate through a screw, a discharging push plate is fixed at the output end of the first hydraulic piston cylinder, a conveying blanking roller is installed at the other end of the top end of the die-casting table, and a stress sharing counter-punching forming structure is installed inside the die-casting table;
the stress sharing hedging forming structure comprises a carrying bottom plate, an operation carrying block, an assembling positioning plate, a motor, a transmission belt wheel, a transmission polished rod, an eccentric driving wheel, a matching rolling shaft, a bidirectional connecting push guide rod, an assembling clamping block, a derivation force-dividing column, an auxiliary stress spring and a hedging bottom die, wherein the operation carrying block is welded at the top end of the carrying bottom plate, the assembling positioning plate is fixed at one end of the carrying bottom plate, the motor is fixed at one end of the assembling positioning plate through a screw, the output end of the motor is rotatably connected with the transmission belt wheel, the transmission polished rod is rotatably connected at one side of the transmission belt wheel, the eccentric driving wheel is welded at one end of the transmission polished rod, another eccentric driving wheel is fixed at one end of the eccentric driving wheel, a positioning column is welded between the eccentric driving wheel and the other eccentric driving wheel, and the matching rolling shaft is fixed at one end of the other eccentric driving wheel, the running and impacting die block is characterized in that the matching rolling shaft and the transmission polished rod are rotatably connected with the running and carrying block, the top end of the eccentric driving wheel is sleeved with a bidirectional connecting push guide rod, the top end of the bidirectional connecting push guide rod is clamped with an assembling clamping block, the top end of the assembling clamping block is fixedly provided with an auxiliary stress spring, two ends of the top end of the running and carrying block are welded with derivation force distribution columns, the running and carrying block is connected with the opposite impacting die block through the derivation force distribution columns, and the top end of the auxiliary stress spring is welded with the opposite impacting die block;
one side welding of casting and pressing platform has the cooperation support arm, one side welding of the top of cooperation support arm has the self-lubricating top mould structure.
Preferably, the automatic lubricating top die structure comprises a first derivation oiling return force structure, a two-way lubricating derivation cylinder, a second derivation oiling return force structure, a first oiling pipe, a second hydraulic piston cylinder, a sealing pushing guide sheet, a matching piston column, an opposite-direction top die, an elastic hose and a second oiling pipe, wherein the output end of the second hydraulic piston cylinder is fixedly provided with the sealing pushing guide sheet, the bottom end of the sealing pushing guide sheet is connected with the opposite-direction top die piston cylinder through the matching piston column, one end of the output end of the second hydraulic piston cylinder, one end of the sealing pushing guide sheet and one end of the matching piston column are all positioned in the two-way lubricating derivation cylinder, the top end and the bottom end of the two-way lubricating derivation cylinder are respectively fixedly provided with the first derivation oiling return force structure and the second derivation oiling return force structure, the output end of the first derivation oiling return force structure is fixedly provided with the first oiling pipe, the output end of the second derivation oiling return force structure is connected with the second oiling pipe through the elastic hose, and the output end of the second oil filling pipe penetrates through the opposite punching top die.
Preferably, the second is derived oiling and is returned the inner structure that the power structure is the same with the first derivation oiling and return the power structure completely, first derivation oiling returns the power structure and includes lubricating oil chamber post, partition panel, sliding guide promotion post, join in marriage the dress board, first derivation clamp plate, spacing spring and second derivation clamp plate, the inside welding of lubricating oil chamber post has the partition panel, install spacing spring between partition panel and the inside bottom of lubricating oil chamber post, the side welding all around of lubricating oil chamber post has the dress board of joining in marriage, the equal sliding connection in inside of lubricating oil chamber post and partition panel has sliding guide to promote the post, sliding guide promotes all sides from the bottom up of post and is fixed with first derivation clamp plate and second derivation clamp plate in proper order.
Preferably, the inside of lubricating oil chamber post and the inside of partition panel have all been seted up and have been derived the through-hole, it promotes the post for clearance fit to derive the through-hole and lead with sliding.
Preferably, the second derivation pressing plate is made of rubber, and the second derivation pressing plate is in sliding connection with the inside of the lubricating oil cavity column.
Preferably, the elastic hose is in a spring shape, and is made of soft silicone rubber.
Preferably, the driving belt wheel consists of a driving belt wheel, a driven belt wheel and a transmission belt, and the driving belt wheel is connected with the driven belt wheel through the transmission belt.
Preferably, a matching sleeve is arranged inside the bottom end of the bidirectional connecting push guide rod, clamping pin columns are welded on two sides of the top end of the bidirectional connecting push guide rod, transfer holes are formed in two sides of the inside of the assembling clamping block, the matching sleeve is in clearance fit with the positioning column, and the clamping pin columns are in clearance fit with the transfer holes.
Preferably, the derivation component force column comprises a positioning shell, a top pressure spring and a derivation pressure lever, the derivation pressure lever and the top pressure spring are both positioned in the positioning shell, and the derivation pressure lever is connected with the positioning shell through the top pressure spring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the die-casting device, the manufacturing accuracy of the die bottom die of the model is improved in a die-casting mode of bidirectional hedging in the die closing process of the die-casting device through the design of a stress sharing hedging forming structure, the elastic force unloading at the supporting position of the die bottom die is used for avoiding rigid rebound, the pressure is directly transmitted to the supporting position of the die bottom die, and the service life is prolonged;
2. according to the invention, through the design of the automatic lubricating top die structure, the device can automatically oil the telescopic rod and the inner part of the die cavity in the reciprocating process of stamping, so that the complex process of manual oil application is avoided, and the use convenience of the device is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention patent, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a side view of the present invention in its entirety;
FIG. 3 is a partial cross-sectional view of the invention as a whole;
FIG. 4 is a schematic view of a partial structure of the force-sharing and opposite-punching forming structure of the present invention;
FIG. 5 is a partial cross-sectional view of the force sharing opposed punch forming structure of the present invention;
FIG. 6 is a front view of the self-lubricating top die structure of the present invention;
FIG. 7 is a schematic view of a portion of the self-lubricating top die structure of the present invention;
FIG. 8 is a schematic view of a first derived oiling return structure according to the present invention.
In the figure: 1. a casting and pressing table; 2. a coordination fixing plate; 3. a first hydraulic piston cylinder; 4. a discharging push plate; 5. conveying a blanking roller; 6. a mounting base plate; 7. operating the carrying block; 8. assembling a positioning plate; 9. a motor; 10. a drive pulley; 11. a conductive polish rod; 12. an eccentric driving wheel; 13. matching with a rolling shaft; 14. the push guide rod is connected in a bidirectional way; 15. assembling a clamping block; 16. deducing a force-dividing column; 17. an auxiliary force-bearing spring; 18. oppositely punching a bottom die; 19. force-sharing hedging forming structure; 20. a support arm is matched; 21. a lubricating oil cavity column; 22. a partition panel; 23. a sliding guide pushing column; 24. assembling a plate; 25. a first derivation pressure plate; 26. a limiting spring; 27. a second development platen; 28. a first derivation oiling return force structure; 29. a bidirectional lubrication derivation cylinder; 30. a second derivation oiling return force structure; 31. a first filler pipe; 32. a second hydraulic piston cylinder; 33. sealing the push guide sheet; 34. a mating piston post; 35. oppositely punching a top die; 36. an elastic hose; 37. a second filler pipe; 38. self-lubricating top die structure.
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.
Referring to fig. 1-3, a die casting device for semi-solid castings comprises a casting table 1, wherein one end of the top end of the casting table 1 is fixed with a coordination fixed plate 2, one end of the coordination fixed plate 2 is fixed with a first hydraulic piston cylinder 3 through a screw, the output end of the first hydraulic piston cylinder 3 is fixed with a discharge push plate 4, the other end of the top end of the casting table 1 is provided with a transmission blanking roller 5, and a stress-sharing counter-punching forming structure 19 is arranged inside the casting table 1.
Referring to fig. 4-5, the stress-sharing and hedging forming structure 19 includes a carrying bottom plate 6, an operation carrying block 7, an assembly positioning plate 8, a motor 9, a transmission belt pulley 10, a transmission polished rod 11, an eccentric driving wheel 12, a matching rolling shaft 13, a bidirectional connection push guide rod 14, an assembly clamping block 15, a derivation force-dividing column 16, an auxiliary stress spring 17 and a hedging bottom die 18, wherein the top end of the carrying bottom plate 6 is welded with the operation carrying block 7, one end of the carrying bottom plate 6 is fixed with the assembly positioning plate 8, one end of the assembly positioning plate 8 is fixed with the motor 9 through a screw, the output end of the motor 9 is rotatably connected with the transmission belt pulley 10, one side of the transmission belt pulley 10 is rotatably connected with the transmission polished rod 11, one end of the transmission polished rod 11 is welded with the eccentric driving wheel 12, one end of the eccentric driving wheel 12 is fixed with another eccentric driving wheel 12, and a positioning column is welded between the eccentric driving wheel 12 and the other eccentric driving wheel 12, a matching rolling shaft 13 is fixed at one end of the other eccentric driving wheel 12, the matching rolling shaft 13 and the transmission polished rod 11 are rotatably connected with the operation carrying block 7, a bidirectional connecting push guide rod 14 is sleeved at the top end of the eccentric driving wheel 12, an assembling clamping block 15 is clamped at the top end of the bidirectional connecting push guide rod 14, an auxiliary stressed spring 17 is fixed at the top end of the assembling clamping block 15, derivation force distribution columns 16 are welded at two ends of the top end of the operation carrying block 7, the operation carrying block 7 is connected with an opposite impact bottom die 18 through the derivation force distribution columns 16, and an opposite impact bottom die 18 is welded at the top end of the auxiliary stressed spring 17;
referring to fig. 3-8, a mating support arm 20 is welded at one side of a casting platform 1, an automatic lubricating top die structure 38 is welded at one side of the top end of the mating support arm 20, the automatic lubricating top die structure 38 includes a first derivation oil injection return force structure 28, a bidirectional lubricating derivation cylinder 29, a second derivation oil injection return force structure 30, a first oil injection pipe 31, a second hydraulic piston cylinder 32, a sealing push guide sheet 33, a mating piston column 34, an opposite-punching top die 35, an elastic hose 36 and a second oil injection pipe 37, the output end of the second hydraulic piston cylinder 32 is fixed with the sealing push guide sheet 33, the bottom end of the sealing push guide sheet 33 is connected with the opposite-punching top die 35 through the mating piston column 34, and one end of the output end of the second hydraulic piston cylinder 32, the sealing push guide sheet 33 and the mating piston column 34 are all located inside the bidirectional lubricating derivation cylinder 29, the top end and the bottom end of the bidirectional lubricating derivation cylinder 29 are respectively fixed with the first derivation oil injection return force structure 28 and the second oil injection return force structure 30, the output end of the first derivation oil injection returning force structure is fixed with a first oil injection pipe, the output end of the second derivation oil injection returning force structure 30 is connected with a second oil injection pipe 37 through an elastic hose 36, and the output end of the second oil injection pipe 37 penetrates through the opposite punching top die 35.
Referring to fig. 7-8, the second derivation oil injection returning structure 30 is completely the same as the first derivation oil injection returning structure 28 in internal structure, the first derivation oil injection returning structure 28 includes a lubricating oil cavity column 21, a partition plate 22, a sliding guide pushing column 23, an assembling plate 24, a first derivation pressing plate 25, a limiting spring 26 and a second derivation pressing plate 27, the partition plate 22 is welded inside the lubricating oil cavity column 21, the limiting spring 26 is installed between the partition plate 22 and the bottom end inside the lubricating oil cavity column 21, the assembling plate 24 is welded on the peripheral side of the lubricating oil cavity column 21, the sliding guide pushing column 23 is slidably connected inside the lubricating oil cavity column 21 and the partition plate 22, the first derivation pressing plate 25 and the second derivation pressing plate 27 are sequentially fixed on the peripheral side of the sliding guide pushing column 23 from bottom to top, derivation through holes are formed inside the lubricating oil cavity column 21 and inside the partition plate 22, the derivation through holes are in clearance fit with the sliding guide pushing column 23, the oil injection and the return force stop are conveniently formed by driving, and the automatic oil injection and stop are completed.
Referring to fig. 8, the second pushing plate 27 is made of rubber, and the second pushing plate 27 is slidably connected to the inside of the lubricating oil cavity column 21, so as to form good water tightness and prevent the lubricating oil from leaking.
Referring to fig. 6-7, the elastic tube 36 is spring-shaped, and the elastic tube 36 is made of soft silicone rubber, so that the elastic tube can be easily stretched and resilient to lubricate the lubricating oil in the displacement stroke of the punching die 35.
Referring to fig. 5, the driving pulley 10 is composed of a driving pulley, a driven pulley and a transmission belt, the driving pulley is connected with the driven pulley through the transmission belt, a matching sleeve is disposed inside the bottom end of the bidirectional connecting push-guide rod 14, clamping pin columns are welded on two sides of the top end of the bidirectional connecting push-guide rod 14, transfer holes are disposed on two sides of the inside of the assembling clamping block 15, the matching sleeve is in clearance fit with the positioning column, the clamping pin columns are in clearance fit with the transfer holes, so that the transmission torque is conveniently transmitted to form power transmission, and the counter die block 18 is driven to form raised counter punching.
Referring to fig. 5, the derivation split force column 16 is composed of a positioning housing, a top pressure spring and a derivation pressure lever, the derivation pressure lever and the top pressure spring are both located inside the positioning housing, and the derivation pressure lever is connected with the positioning housing through the top pressure spring, so as to form contact type force sharing, and reduce the pressure born by the counter die 18.
The working principle is as follows: when the output end of the first oil filling pipe 31 pushes the sealing push-guiding piece 33 to move downwards, so that the sealing push-guiding piece 33 slides in the bidirectional lubrication derivation cylinder 29, the closing die for pushing down is completed by deriving the displacement of the top-punching die 35 through the matching piston column 34, the elastic hose 36 extends along with the movement of the top-punching die 35, and contacts one end of the second derivation oil-injection back-force structure 30 during the derivation of the sealing push-guiding piece 33, because the internal structure of the second derivation oil-injection back-force structure 30 is identical to that of the first derivation oil-injection back-force structure 28, a position explanation is given below that a certain structure in the second derivation oil-injection back-force structure 30 is not going further, pressure is applied to the sliding guide push-pushing column 23 in the second derivation oil-injection back-force structure 30, so that the sliding guide push-pushing column 23 in the second derivation oil-injection back-force structure 30 drives the first derivation pressing plate 25 to push the limit spring 26 in the second derivation oil-injection back-injection structure 30 to compress, the second derivation pressing plate 27 in the second derivation oil injection returning structure 30 is driven to extrude the lubricating oil stored in the lubricating oil cavity column 21 in the second derivation oil injection returning structure 30, so that the lubricating oil enters the second oil injection pipe 37 through the elastic hose 36 and is sprayed out, the top punching die 35 is lubricated, when the second hydraulic piston cylinder 32 drives the sealing pushing sheet 33 to move upwards, the sliding guide pushing column 23 in the second derivation oil injection returning structure 30 loses stress, the extrusion pressure is cancelled under the reset pushing of the limiting spring 26 in the second derivation oil injection returning structure 30, in the upward moving process of the sealing pushing sheet 33, the sliding guide pushing column 23 in the first derivation oil injection returning structure 28 is applied with pressure through displacement, the structure operation mode is completely the same as that in the second derivation oil injection returning structure 30, the first oil injection pipe 31 is used for guiding the oil to lubricate the output end of the second hydraulic piston cylinder 32 and the matching piston column 34, in the process of pressing down the punching top die 35, the torque of the motor 9 is transmitted through the transmission belt wheel 10 to drive the eccentric driving wheel 12 to rotate, due to the eccentric design of the eccentric driving wheel 12, the eccentric driving wheel 12 can have the highest point to push the offset bottom die 18 to move upwards to form offset, so that the internal forming effect of the offset bottom die 18 is improved, the pressure applied to the counter die 18 during the derivation process presses down the top pressure spring through the derivation pressure lever at the derivation force-dividing column 16, so that while the top pressure spring contracts, the derivation force-distributing columns 16 on two sides of the counter-punching bottom die 18 complete lateral stress, the stress is shared by matching with the top pressure spring, the elastic potential energy generated in the process that the derivation force-distributing columns 16 and the top pressure spring are compressed is utilized to counteract the counter force generated by the compression, so that the stress on the counter die block 18 is smaller and more uniform, and the service life of the whole device is prolonged.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.