CN117753952B - Metal casting mould - Google Patents
Metal casting mould Download PDFInfo
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- CN117753952B CN117753952B CN202410197406.7A CN202410197406A CN117753952B CN 117753952 B CN117753952 B CN 117753952B CN 202410197406 A CN202410197406 A CN 202410197406A CN 117753952 B CN117753952 B CN 117753952B
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- wall
- fixedly connected
- rod
- side wall
- die
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- 238000005058 metal casting Methods 0.000 title claims abstract description 16
- 238000005266 casting Methods 0.000 claims abstract description 54
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 17
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 6
- 229910052753 mercury Inorganic materials 0.000 claims description 6
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 31
- 239000002184 metal Substances 0.000 abstract description 31
- 230000007547 defect Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to the technical field of metal casting, in particular to a metal casting die which comprises a mounting preheating assembly, wherein the mounting preheating assembly comprises a bottom plate, a casting chamber is rotatably connected to the side wall of the upper end of the bottom plate, an air cylinder is fixedly arranged on the inner wall of the upper end of the casting chamber, and the telescopic end of the air cylinder is rotatably connected with the side wall of an upper die. The invention can uniformly preheat the die body before injecting the metal solution into the die body, ensure that the metal solution can uniformly flow after being injected into the die body, prevent the product from forming defects due to inconsistent cooling speed of the metal solution, improve the quality of the cast workpiece, and can continuously flow to the pores of the die body under the action of centrifugal force so that the metal solution can be uniformly distributed in the die body, thereby improving the yield of the workpiece after demolding and improving the production quality and the casting efficiency.
Description
Technical Field
The invention relates to the technical field of metal casting, in particular to a metal casting die.
Background
The casting is a technological process of smelting metal into liquid meeting certain requirements, pouring the liquid into casting mould, solidifying and cleaning to obtain the casting with preset shape, size and performance, and the casting blank is almost formed so as to attain the goal of no machining or small quantity of machining, and reduce cost and time to a certain extent.
However, in the prior art, when a metal is cast by using a mold, a molten metal solution is generally directly put into the mold, and after cooling and molding, the mold is subjected to demolding treatment, but the mold needs to reach a proper temperature before molten metal is injected to ensure uniform flow and solidification of the metal, if the mold is not preheated, the temperature of the mold may be uneven, so that the cooling speed of the metal is inconsistent in the injection process, and thus, non-uniformity, pores and defects on the surface of a product are formed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a metal casting die which can effectively solve the problem that the die cannot be preheated in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
The invention provides a metal casting die, which comprises a die body, wherein the die body comprises an upper die and a lower die which can be opened and closed, a feed pipe and an air duct are further arranged on the side wall of the upper end of the upper die,
Still including the installation preheat the subassembly, the installation preheat the subassembly and include the bottom plate, the upper end lateral wall of bottom plate rotates and is connected with the casting room, the upper end inner wall fixed mounting of casting room has the cylinder, the flexible end of cylinder is rotated with the lateral wall of last mould and is connected, the upper end lateral wall of bottom plate rotates and is connected with branch, the upper end of branch and the bottom fixed connection of lower mould, the inner wall evenly distributed of casting room is provided with a plurality of hot plates, servo motor is installed to the lower extreme lateral wall of bottom plate, and servo motor's output runs through the lateral wall of bottom plate and the one end fixed connection of branch.
Further, the automatic temperature detection device also comprises a temperature automatic detection assembly, wherein the temperature automatic detection assembly comprises a sealing shell fixedly connected with the top end of the upper die, a sealing piston is connected in a sealing sliding manner in the sealing shell, a push rod is fixedly connected to the side wall of the upper end of the sealing piston, one end of the push rod penetrates through the side wall of the sealing shell and is fixedly connected with a pressing plate, a supporting plate is fixedly connected to the side wall of one end of the sealing shell, a pressing trigger switch is fixedly connected to the side wall of the lower end of the supporting plate, and mercury is arranged in a space formed by the lower part of the sealing piston and the sealing shell;
The heating plates are electrically connected with the pressing trigger switch;
Still including being used for driving casting room and hot plate pivoted drive assembly, drive assembly includes: the utility model discloses a pole wall of branch has fixed the cup joint the external gear, the inner wall fixedly connected with internal gear of casting room, the upper end lateral wall of bottom plate rotates and is connected with the side gear, the side gear all meshes with external gear and internal gear mutually, the inner wall evenly distributed of casting room is provided with a plurality of electric telescopic handle, a plurality of the equal fixedly connected with arc pinion rack of flexible end of electric telescopic handle, electric telescopic handle and press trigger switch electric connection, the outer wall of branch has still fixed the cup joint ring gear.
Further, the mold comprises a heat dissipation assembly for cooling the mold body, the heat dissipation assembly comprises a plurality of installation cavities formed in the casting chamber, side rods are rotatably connected to the inner walls of the lower ends of the installation cavities, round gears are fixedly sleeved on the rod walls of the side rods, openings for the round gears to rotate are formed in the inner walls of the casting chamber, the round gears are meshed with the ring gears, and first strong magnets are fixedly connected to the upper ends of the side rods;
The inner wall of the upper end of the installation cavity is rotationally connected with first reciprocating screw rods corresponding to the side rod in number, one end of each first reciprocating screw rod is fixedly connected with a second strong magnet, and the second strong magnet is adsorbed with the corresponding first strong magnet through magnetic force.
Further, a connecting plate corresponding to the side rod is fixedly connected to the inner wall of one end of the mounting cavity, a transmission rod is rotatably connected to the side wall of one end of the connecting plate, pneumatic wheels are fixedly connected to one end of the transmission rod, penetrating through the side wall of the casting chamber, worm wheels are fixedly sleeved on the rod wall of the transmission rod, a worm is fixedly sleeved on the rod wall of the first reciprocating screw rod, and the worm is meshed with the corresponding worm wheels;
The rod wall sleeve of the first reciprocating screw rod is provided with a baffle plate matched with the first reciprocating screw rod, side walls at two ends of the baffle plate are respectively abutted against the inner wall of the installation cavity, and the side walls of the casting chamber are also provided with heat dissipation openings corresponding to the positions of the baffle plate.
Further, still including being used for to the inside gas injection subassembly that injects nitrogen gas of mould body, gas injection subassembly includes two curb plates of regarding lower mould lateral wall symmetry fixed connection, two the lateral wall rotation of the relative one end of curb plate is connected with the reciprocal lead screw of second, the fixed transmission gear that has cup jointed of pole wall of the reciprocal lead screw of second, transmission gear corresponds and transmission gear can mesh with the arc pinion rack around the rotatory in-process of the axis of branch with arc pinion rack position, the cover is equipped with the movable plate that matches the use with it on the reciprocal lead screw of second, the upper end lateral wall fixedly connected with depression bar of movable plate.
Further, the side wall of the lower die is fixedly connected with a shell, the inner part of the shell is in sealed sliding connection with a movable piston, one end of the compression bar penetrates through the side wall of the shell and is fixedly connected with the side wall of the movable piston, and the side wall of the lower die is provided with a nitrogen tank;
The through-hole has been seted up to the one end lateral wall of shell, and corresponds through-hole internally mounted and have communicating pipe, the one end of communicating pipe and the end fixed intercommunication of giving vent to anger of nitrogen jar, the outer wall of communicating pipe is provided with the check valve, the through-hole has been seted up to the upper end lateral wall of shell, and corresponds through-hole internally mounted and have the outlet duct, the one end of outlet duct inwards stretches out through the inner wall of lower mould, and the one end that the outlet duct inwards stretches out is provided with the stop valve to the downcast.
Further, still including being used for carrying out spacing subassembly to first reciprocating screw, spacing subassembly includes a plurality of spacing rings that set up at installation cavity inner wall, a plurality of mounting grooves have been seted up to the inner wall of spacing ring, the inner wall rotation of mounting groove is connected with the dog, the one end lateral wall fixedly connected with reset spring of dog, the other one end and the inner wall fixed connection of mounting groove of reset spring.
Further, a plurality of the side walls of one end of the installation groove are respectively provided with an electromagnet, the rod wall of the first reciprocating screw rod is fixedly connected with a plurality of rotating plates, and a plurality of the electromagnets are respectively electrically connected with the pressing trigger switch.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
According to the invention, through the mutual coordination of the temperature self-detection assembly, the installation preheating assembly, the transmission assembly, the heat dissipation assembly, the gas injection assembly and the limiting assembly, the die body can be uniformly preheated before the metal solution is injected into the die body, so that the metal solution can flow uniformly after being injected into the die body, the defect of products caused by inconsistent cooling speed of the metal solution is prevented, and the quality of cast workpieces is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a first view angle part of the invention with the base plate, servo motor and protective door removed;
FIG. 3 is a cross-sectional view of a portion of the structure of the present invention;
FIG. 4 is a perspective view of a second perspective view of the servo motor with the base plate removed;
FIG. 5 is an enlarged schematic view of the portion A in FIG. 4;
FIG. 6 is a schematic view of a heat dissipating assembly according to the present invention;
fig. 7 is a schematic structural view of the limiting assembly of the present invention.
Reference numerals in the drawings represent respectively: 1. a die body; 11. an upper die; 12. a lower die; 13. a feed pipe; 14. an air duct; 2. a temperature self-detection component; 21. a sealed housing; 22. a sealing piston; 23. a push rod; 24. pressing the plate; 25. a support plate; 26. pressing a trigger switch; 3. installing a preheating component; 31. a bottom plate; 32. a casting chamber; 33. a support rod; 34. a heating plate; 35. a servo motor; 4. a transmission assembly; 41. an external gear; 42. an internal gear; 43. an electric telescopic rod; 44. arc toothed plates; 45. a ring gear; 46. a side gear; 5. a heat dissipation assembly; 501. a mounting cavity; 502. a side bar; 503. a circular gear; 504. a first strong magnet; 505. a first reciprocating screw rod; 506. a second strong magnet; 507. a connecting plate; 508. a transmission rod; 509. a worm wheel; 510. a worm; 511. a wind wheel; 512. a baffle; 513. a heat radiation port; 6. an air injection assembly; 601. a side plate; 602. a second reciprocating screw rod; 603. a transmission gear; 604. a moving plate; 605. a compression bar; 606. a housing; 607. moving the piston; 608. a nitrogen tank; 609. a communicating pipe; 610. a one-way valve; 611. an air outlet pipe; 7. a limit component; 71. a limiting ring; 72. a mounting groove; 73. a stop block; 74. a return spring; 75. an electromagnet; 76. and rotating the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
The preheating component 3, the temperature self-detection component 2, the transmission component 4, the heat dissipation component 5, the gas injection component 6 and the limiting component 7 are installed, preheating of the die body can be achieved, uniform flow of metal solution after being injected into the die body is ensured, quality of cast workpieces is improved, the die body 1 and the metal solution in the die body 1 are cooled through rotation of the wind wheel 511, cooling speed is improved, the casting chamber 32 can be enabled to circulate with external air through the heat dissipation opening 513, cooling speed of the metal solution in the die body 1 is accelerated, efficiency of metal casting is improved, meanwhile, nitrogen in the shell 606 can be conveyed into the die body 1 through the gas outlet pipe 611, oxidation reaction can be effectively prevented, contact reaction of metal and the surface of the die body 1 is reduced, surface quality of castings is improved, cooling effect is achieved, temperature in the die body 1 is reduced, speed of metal solidification is delayed, thermal stress difference between the die body 1 and the castings is facilitated, and problems that cracks or defects may be caused are reduced.
Examples: referring to fig. 1 to 7, a metal casting mold comprises a mold body 1, wherein the mold body 1 comprises an upper mold 11 and a lower mold 12 which can be opened and closed, and a feed pipe 13 and an air duct 14 are further arranged on the upper end side wall of the upper mold 11;
Still including installing preheating component 3, install preheating component 3 includes bottom plate 31, the upper end lateral wall of bottom plate 31 rotates and is connected with casting room 32, the opening has still been seted up on casting room surface, and the guard gate is installed through the pivot to the opening lateral wall, be convenient for pour into metal solution into in the mould body 1 into, be convenient for take out the work piece of casting completion after the drawing of patterns simultaneously, the upper end inner wall fixed mounting of casting room 32 has the cylinder, the flexible end of cylinder is rotated with the lateral wall of last mould 11 and is connected, the upper end lateral wall of bottom plate 31 rotates and is connected with branch 33, the upper end of branch 33 and the bottom fixed connection of lower mould 12, the inner wall evenly distributed of casting room 32 is provided with a plurality of hot plates 34, servo motor 35 is installed to the lower extreme lateral wall of bottom plate 31, servo motor 35's output runs through the lateral wall of bottom plate 31 and the one end fixed connection of branch 33.
Still include temperature self-checking subassembly 2, temperature self-checking subassembly 2 includes seal shell 21 with last mould 11 top fixed connection, and seal shell 21's material is heat conduction material, be convenient for make the temperature transfer of mould body 1 surface to seal shell 21 inside, seal sliding connection has seal piston 22 in seal shell 21's inside, seal piston 22's upper end lateral wall fixedly connected with push rod 23, push rod 23's one end runs through seal shell 21's lateral wall and fixedly connected with push plate 24, seal shell 21's one end lateral wall fixedly connected with backup pad 25, backup pad 25's lower extreme lateral wall fixedly connected with presses trigger switch 26, seal piston 22 below is equipped with mercury with seal shell 21 looks space inside, utilize mercury expend with heat and contract with cold's characteristic to promote to press push plate 24 to press and press trigger switch 26, thereby control the continuation work of hot plate 34.
The heating plates 34 are electrically connected to the press trigger switch 26, and can be controlled to stop working after the preheating temperature of the die body 1 reaches a certain level.
Further included is a drive assembly 4 for rotating the casting chamber 32 and the heating plate 34, the drive assembly 4 comprising: the outer gear 41 has been cup jointed to the pole wall fixed of branch 33, the inner wall fixedly connected with internal gear 42 of casting room 32, the upper end lateral wall of bottom plate 31 rotates and is connected with side gear 46, side gear 46 all meshes with outer gear 41 and internal gear 42, the inner wall evenly distributed of casting room 32 is provided with a plurality of electric telescopic handle 43, the flexible end of a plurality of electric telescopic handle 43 all fixedly connected with arc pinion rack 44, electric telescopic handle 43 and press trigger switch 26 electric connection, the outer wall of branch 33 has still fixedly cup jointed ring gear 45.
When the die body 1 is used for casting metal, the heating plate 34 and the servo motor 35 are started, the servo motor 35 drives the supporting rod 33 to rotate, the lower die 12 and the upper die 11 are driven to rotate along with the rotation of the supporting rod 33, meanwhile, the external gear 41 fixedly sleeved on the wall of the supporting rod 33 is driven to rotate along with the rotation of the supporting rod 33, so that the side gear 46 meshed with the external gear 41 rotates along with the rotation of the external gear 41, the internal gear 42 meshed with the side gear 46 is driven to rotate along with the rotation of the side gear 46, the casting chamber 32 is driven to rotate, the heating plate 34 rotates along with the rotation of the die body 1 and the rotation of the heating plate 34 can uniformly preheat the die body 1 before the metal solution is injected into the die body 1, the uniform flow of the metal solution is ensured after the metal solution is injected into the die body 1, the defect of products is prevented from being formed, and the quality of casting workpieces is improved;
After the die body 1 is preheated to a certain temperature, heat on the surface of the die body 1 is conducted into the sealing shell 21 contacted with the upper die 11, mercury in the sealing shell 21 is heated and expanded at the moment, the sealing piston 22 above the mercury is pushed to move upwards, so that the push rod 23 is driven to move upwards, after the temperature on the surface of the die body 1 reaches a certain degree, the pressing plate 24 at one end of the push rod 23 is contacted with the pressing trigger switch 26 at the moment, the heating of the die body 1 is controlled to stop by the heating plate 34, then the servo motor 35 is closed by a worker, a metal solution is conveyed into the die body 1 through the feeding pipe 13, then the servo motor 35 is restarted, the die body 1 is driven to rotate, and along with the rotation of the die body 1, the metal solution in the die body 1 continuously flows to the holes of the die body 1 under the action of centrifugal force, so that the metal solution can be uniformly distributed in the die body 1, the yield of a workpiece after demoulding is improved, and the production quality and the casting efficiency are improved.
In addition, the invention also comprises a heat dissipation assembly 5 for cooling the die body 1, specifically, the heat dissipation assembly 5 comprises a plurality of installation cavities 501 formed in the casting chamber 32, the inner walls of the lower ends of the installation cavities 501 are rotationally connected with side rods 502, the rod walls of the side rods 502 are fixedly sleeved with round gears 503, the inner walls of the casting chamber 32 are provided with openings for the round gears 503 to rotate, the round gears 503 are meshed with the ring gears 45, and the upper ends of the side rods 502 are fixedly connected with first strong magnets 504;
the inner wall of the upper end of the mounting cavity 501 is rotationally connected with first reciprocating screw rods 505 corresponding to the positions of the side rods 502, one end of each first reciprocating screw rod 505 is fixedly connected with a second strong magnet 506, and the second strong magnet 506 and the corresponding first strong magnet 504 are adsorbed by magnetic force;
a connecting plate 507 corresponding to the side rod 502 is fixedly connected to the inner wall of one end of the mounting cavity 501, a transmission rod 508 is rotatably connected to the side wall of one end of the connecting plate 507, a pneumatic wheel 511 is fixedly connected to one end of the transmission rod 508 penetrating through the side wall of the casting chamber 32, a worm gear 509 is fixedly sleeved on the rod wall of the transmission rod 508, a worm 510 is fixedly sleeved on the rod wall of the first reciprocating screw 505, and the worm 510 is meshed with the corresponding worm gear 509;
The rod wall of the first reciprocating screw rod 505 is sleeved with a baffle 512 matched with the first reciprocating screw rod 505, side walls at two ends of the baffle 512 are all abutted against the inner wall of the installation cavity 501, a heat dissipation opening 513 corresponding to the position of the baffle 512 is further formed in the side wall of the casting chamber 32, and the formed heat dissipation opening 513 is used for facilitating improvement of air flow in the casting chamber 32 and cooling efficiency when cooling the metal solution in the die body 1.
After the metal solution is injected into the die body 1, the ring gear 45 fixedly sleeved on the rod wall of the support rod 33 is driven to rotate along with the rotation of the support rod 33, so that a plurality of round gears 503 meshed with the ring gear 45 are driven to rotate along with the rotation of the ring gear, the side rod 502 is driven to rotate, the first strong magnet 504 is driven to rotate along with the rotation of the first strong magnet 504, the second strong magnet 506 adsorbed by the magnetic force with the first strong magnet 504 is driven to rotate along with the rotation of the first strong magnet 504, so that the first reciprocating screw 505 is driven to rotate, the worm 510 is driven to rotate along with the rotation of the worm gear 509 meshed with the worm 510, the transmission rod 508 is driven to rotate along with the rotation of the transmission rod 508, the wind wheel 511 is driven to rotate, the baffle 512 is driven to reciprocate up and down along with the movement of the baffle 512, the cooling port 513 arranged on the side wall of the casting chamber 32 is intermittently opened without being blocked by the baffle 512, and the metal solution in the die body 1 and the die body 1 is driven to rotate along with the rotation of the wind wheel 511, so that the cooling speed of the cooling port 513 can be increased, and the cooling efficiency of the metal solution in the die body 1 can be cooled down through the cooling port 32.
In addition, the invention also comprises an air injection assembly 6 for injecting nitrogen into the die body 1, the air injection assembly 6 comprises two side plates 601 which are symmetrically and fixedly connected with the side wall of the lower die 12, the side wall of the opposite end of the two side plates 601 is rotationally connected with a second reciprocating screw rod 602, the rod wall of the second reciprocating screw rod 602 is fixedly sleeved with a transmission gear 603, the transmission gear 603 corresponds to the position of the arc toothed plate 44 and the transmission gear 603 can be meshed with the arc toothed plate 44 in the process of rotating around the axis of the supporting rod 33, the second reciprocating screw rod 602 is sleeved with a moving plate 604 matched with the second reciprocating screw rod 602, and the side wall of the upper end of the moving plate 604 is fixedly connected with a compression bar 605;
the side wall of the lower die 12 is fixedly connected with a shell 606, the inside of the shell 606 is hermetically and slidingly connected with a movable piston 607, one end of a compression bar 605 penetrates through the side wall of the shell 606 and is fixedly connected with the side wall of the movable piston 607, the side wall of the lower die 12 is provided with a nitrogen tank 608, and the nitrogen tank 608 is a normal pressure tank;
Through-hole has been seted up to the one end lateral wall of shell 606, and correspond through-hole internally mounted and have communicating pipe 609, communicating pipe 609's one end and the fixed intercommunication of the end of giving vent to anger of nitrogen gas jar 608, communicating pipe 609's outer wall is provided with check valve 610, the through-hole has been seted up to the upper end lateral wall of shell 606, and correspond through-hole internally mounted and have outlet duct 611, the one end of outlet duct 611 inwards stretches out through the inner wall of lower mould 12, and the one end that outlet duct 611 stretches out in the lower mould 12 is provided with the stop valve, can prevent through the stop valve that sets up that the metal solution in the mould body 1 from flowing out from the outlet duct, influence final work piece casting effect, improve product quality.
After the preheating temperature of the die body 1 reaches a certain degree, after the pressing plate 24 presses the pressing trigger switch 26, the electric telescopic rod 43 is controlled to be started, so that the plurality of arc toothed plates 44 are driven to move towards the die body 1, at this time, due to the rotation of the die body 1, the side plates 601 are driven to rotate along with the die body 1, under the action of the transmission component 4, the casting chamber 32 is driven to rotate, the arc toothed plates 44 and the die body 1 are driven to rotate in opposite directions, the electric telescopic rod 43 drives the arc toothed plates 44 to move to the position meshed with the transmission gear 603, in the process of rotating the arc toothed plates 44, the transmission gear 603 is driven to follow the rotation, the second reciprocating screw 602 is driven to rotate, the movable plate 604 moves up and down on the second reciprocating screw 602, in the process of moving plate 604 moves down, the pressing rod 605 is driven to move down, the movable piston 607 in the shell 606 is driven to move down, so that negative pressure is generated inside the shell 606, at this time, nitrogen in the casting chamber 32 is driven to rotate through the check valves 610 and 609, the nitrogen in the shell 606 is pumped into the shell 606, the temperature of the shell 607 is pushed up, the temperature of the air outlet pipe is pushed up, the temperature of the die is reduced, the temperature of the die is lowered, the temperature of the die is increased, the die is cooled, the temperature is increased, the temperature of the die is increased, the temperature is increased, and the temperature of the die is increased, and the temperature is effectively, the temperature of the die is increased, and the temperature is the temperature of the die is cooled, and the inside the die is also can be cooled, and the temperature is the die is increased, and the surface is the temperature is the device.
In addition, the invention also comprises a limiting component 7 for limiting the first reciprocating screw rod 505, specifically, the limiting component 7 comprises a plurality of limiting rings 71 arranged on the inner wall of the mounting cavity 501, a plurality of mounting grooves 72 are formed on the inner wall of the limiting rings 71, a stop block 73 is rotatably connected on the inner wall of the mounting groove 72, a reset spring 74 is fixedly connected on the side wall of one end of the stop block 73, and the other end of the reset spring 74 is fixedly connected with the inner wall of the mounting groove 72;
The side walls of one ends of the plurality of mounting grooves 72 are respectively provided with an electromagnet 75, the rod wall of the first reciprocating screw rod 505 is also fixedly connected with a plurality of rotating plates 76, and the plurality of electromagnets 75 are respectively electrically connected with the pressing trigger switch 26.
In the preheating process of the die body 1, the die body 1 and the casting chamber 32 rotate, under the action of the transmission component 4, the round gear 503 is driven to rotate in a following way, when the first reciprocating screw 505 is driven to rotate, the first reciprocating screw 505 passes through the inside of the limiting ring 71, in the rotating process of the first reciprocating screw 505, the rotating plate 76 is driven to rotate in a following way, but the rotating plate 76 is shielded by the stop block 73 in the rotating process, the rotating plate 76 cannot rotate at the moment, the wind wheel 511 is not driven to rotate, so that the die body 1 is preheated at the moment, the round gear 503 can drive the side rod 502 and the first strong magnet 504 to rotate continuously, and the first reciprocating screw 505 cannot rotate, at this time, the first strong magnet 504 will overcome the magnetic force with the second strong magnet 506, the second strong magnet 506 keeps motionless along with the first reciprocating screw rod 505, after the preheating of the die body 1 is completed, the pressing trigger switch 26 is triggered, the electromagnet 75 is electrified to generate magnetic force, thereby adsorbing the stop block 73 into the installation groove 72, at this time, the stop block 73 does not limit the rotating plate 76, so that the first reciprocating screw rod 505 can rotate, the die body 1 can dissipate heat and cool, the preheating efficiency of the die body 1 can be prevented from being influenced by the rotation of the wind wheel 511, and the efficiency of metal casting is greatly improved.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The metal casting die comprises a die body (1), wherein the die body (1) comprises an upper die (11) and a lower die (12) which can be opened and closed, a feed pipe (13) and an air duct (14) are further arranged on the side wall of the upper end of the upper die (11),
The device comprises a bottom plate (31), wherein the bottom plate (31) is fixedly connected with a casting chamber (32) through rotation, an air cylinder is fixedly arranged on the inner wall of the upper end of the casting chamber (32), the telescopic end of the air cylinder is rotatably connected with the side wall of an upper die (11), a supporting rod (33) is rotatably connected with the side wall of the upper end of the bottom plate (31), the upper end of the supporting rod (33) is fixedly connected with the bottom end of a lower die (12), a plurality of heating plates (34) are uniformly distributed on the inner wall of the casting chamber (32), a servo motor (35) is arranged on the side wall of the lower end of the bottom plate (31), and the output end of the servo motor (35) penetrates through the side wall of the bottom plate (31) and is fixedly connected with one end of the supporting rod (33);
The automatic temperature detection device comprises a sealing shell (21) fixedly connected with the top end of an upper die (11), a sealing piston (22) is connected in a sealing sliding manner in the sealing shell (21), a push rod (23) is fixedly connected to the side wall of the upper end of the sealing piston (22), one end of the push rod (23) penetrates through the side wall of the sealing shell (21) and is fixedly connected with a pressing plate (24), a supporting plate (25) is fixedly connected to the side wall of one end of the sealing shell (21), a pressing trigger switch (26) is fixedly connected to the side wall of the lower end of the supporting plate (25), and mercury is arranged in a space formed by the lower side of the sealing piston (22) and the sealing shell (21);
the heating plates (34) are electrically connected with the pressing trigger switch (26);
The casting device further comprises a transmission assembly (4) for driving the casting chamber (32) and the heating plate (34) to rotate, wherein the transmission assembly (4) comprises: the utility model discloses a novel electric telescopic device for the bottom plate of the automobile, which comprises a base plate (31), a plurality of supporting rods (33), an outer gear (41) is fixedly sleeved on the rod wall of the supporting rod (33), an inner gear (42) is fixedly connected with the inner wall of the casting chamber (32), a side gear (46) is rotationally connected with the upper end side wall of the base plate (31), the side gears (46) are meshed with the outer gear (41) and the inner gear (42), a plurality of electric telescopic rods (43) are uniformly distributed on the inner wall of the casting chamber (32), arc toothed plates (44) are fixedly connected with the telescopic ends of the electric telescopic rods (43), the electric telescopic rods (43) are electrically connected with a pressing trigger switch (26), and a ring gear (45) is fixedly sleeved on the outer wall of the supporting rod (33);
The novel nitrogen injection mold comprises a mold body (1), and is characterized by further comprising an air injection assembly (6) for injecting nitrogen into the mold body (1), wherein the air injection assembly (6) comprises two side plates (601) symmetrically and fixedly connected with the side walls of the lower mold (12), the side walls of the opposite ends of the two side plates (601) are rotationally connected with a second reciprocating screw rod (602), a transmission gear (603) is fixedly sleeved on the rod wall of the second reciprocating screw rod (602), the transmission gear (603) corresponds to the arc toothed plate (44) in position, the transmission gear (603) can be meshed with the arc toothed plate (44) in the rotating process around the axis of the supporting rod (33), a moving plate (604) matched with the second reciprocating screw rod (602) is sleeved on the second reciprocating screw rod (602), and a compression rod (605) is fixedly connected to the side wall of the upper end of the moving plate (604);
the side wall of the lower die (12) is fixedly connected with a shell (606), the inside of the shell (606) is hermetically and slidingly connected with a movable piston (607), one end of the compression bar (605) penetrates through the side wall of the shell (606) and is fixedly connected with the side wall of the movable piston (607), and the side wall of the lower die (12) is provided with a nitrogen tank (608);
The utility model discloses a nitrogen gas jar, including shell (606), through-hole has been seted up to the one end lateral wall of shell (606), and corresponds through-hole internally mounted and have communicating pipe (609), the one end of communicating pipe (609) is fixed to be linked together with the end of giving vent to anger of nitrogen gas jar (608), the outer wall of communicating pipe (609) is provided with check valve (610), the through-hole has been seted up to the upper end lateral wall of shell (606), and corresponds through-hole internally mounted and have outlet duct (611), the inner wall inwards stretches out of lower mould (12) is run through to the one end of outlet duct (611), and the one end that stretches out in outlet duct (611) lower mould (12) is provided with the stop valve.
2. The metal casting die according to claim 1, further comprising a heat dissipation assembly (5) for cooling the die body (1), wherein the heat dissipation assembly (5) comprises a plurality of installation cavities (501) formed in the casting chamber (32), side rods (502) are rotatably connected to the inner walls of the lower ends of the installation cavities (501), round gears (503) are fixedly sleeved on the rod walls of the side rods (502), openings for the round gears (503) to rotate are formed in the inner walls of the casting chamber (32), the round gears (503) are meshed with the ring gears (45), and first strong magnets (504) are fixedly connected to the upper ends of the side rods (502);
the inner wall of the upper end of the installation cavity (501) is rotationally connected with first reciprocating screw rods (505) corresponding to the positions of the side rods (502), one end of each first reciprocating screw rod (505) is fixedly connected with a second strong magnet (506), and the second strong magnets (506) and the corresponding first strong magnets (504) are adsorbed through magnetic force.
3. A metal casting mould according to claim 2, characterized in that a connecting plate (507) corresponding to the position of the side rod (502) is fixedly connected to the inner wall of one end of the installation cavity (501), a transmission rod (508) is rotatably connected to the side wall of one end of the connecting plate (507), a pneumatic wheel (511) is fixedly connected to one end of the transmission rod (508) penetrating through the side wall of the casting chamber (32), a worm wheel (509) is fixedly sleeved on the rod wall of the transmission rod (508), a worm (510) is fixedly sleeved on the rod wall of the first reciprocating screw (505), and the worm (510) is meshed with the corresponding worm wheel (509);
The wall of the first reciprocating screw rod (505) is sleeved with a baffle (512) matched with the first reciprocating screw rod, the side walls at two ends of the baffle (512) are respectively abutted against the inner wall of the installation cavity (501), and the side wall of the casting chamber (32) is also provided with a heat dissipation opening (513) corresponding to the baffle (512).
4. The metal casting die according to claim 2, further comprising a limiting assembly (7) for limiting the first reciprocating screw rod (505), wherein the limiting assembly (7) comprises a plurality of limiting rings (71) arranged on the inner wall of the mounting cavity (501), a plurality of mounting grooves (72) are formed in the inner wall of the limiting rings (71), a stop block (73) is rotatably connected to the inner wall of the mounting grooves (72), a return spring (74) is fixedly connected to one end side wall of the stop block (73), and the other end of the return spring (74) is fixedly connected with the inner wall of the mounting grooves (72).
5. A metal casting mold according to claim 4, wherein a plurality of electromagnets (75) are provided on one end side walls of the mounting grooves (72), and a plurality of rotating plates (76) are fixedly connected to the rod wall of the first reciprocating screw (505), and the plurality of electromagnets (75) are electrically connected to the push trigger switch (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410197406.7A CN117753952B (en) | 2024-02-22 | 2024-02-22 | Metal casting mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410197406.7A CN117753952B (en) | 2024-02-22 | 2024-02-22 | Metal casting mould |
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| CN117753952A CN117753952A (en) | 2024-03-26 |
| CN117753952B true CN117753952B (en) | 2024-05-31 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR421929A (en) * | 1910-10-28 | 1911-03-08 | Stefan Malik | Device for preventing the heating of machine parts |
| US2564884A (en) * | 1949-06-28 | 1951-08-21 | Sternberg Jaime De | Mold section locking device for pressure die casting machines |
| CN108788094A (en) * | 2018-08-01 | 2018-11-13 | 中国兵器工业第五九研究所 | A kind of multidigit parallel connection compression casting device and method for large aluminum alloy casting |
| CN109590443A (en) * | 2019-01-05 | 2019-04-09 | 陈杰 | A kind of horizontal centrifugal casting machine |
| CN209288255U (en) * | 2018-12-06 | 2019-08-23 | 盛旺汽车零部件（昆山）有限公司 | A kind of casting mould stalk heating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008049442A1 (en) * | 2006-10-23 | 2008-05-02 | Manfred Renkel | Method for production of precision castings by centrifugal casting |
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- 2024-02-22 CN CN202410197406.7A patent/CN117753952B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR421929A (en) * | 1910-10-28 | 1911-03-08 | Stefan Malik | Device for preventing the heating of machine parts |
| US2564884A (en) * | 1949-06-28 | 1951-08-21 | Sternberg Jaime De | Mold section locking device for pressure die casting machines |
| CN108788094A (en) * | 2018-08-01 | 2018-11-13 | 中国兵器工业第五九研究所 | A kind of multidigit parallel connection compression casting device and method for large aluminum alloy casting |
| CN209288255U (en) * | 2018-12-06 | 2019-08-23 | 盛旺汽车零部件（昆山）有限公司 | A kind of casting mould stalk heating device |
| CN109590443A (en) * | 2019-01-05 | 2019-04-09 | 陈杰 | A kind of horizontal centrifugal casting machine |
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| Publication number | Publication date |
|---|---|
| CN117753952A (en) | 2024-03-26 |
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