CN117531979A - Production equipment and technology for casting gear motor shell - Google Patents
Production equipment and technology for casting gear motor shell Download PDFInfo
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- CN117531979A CN117531979A CN202311529218.1A CN202311529218A CN117531979A CN 117531979 A CN117531979 A CN 117531979A CN 202311529218 A CN202311529218 A CN 202311529218A CN 117531979 A CN117531979 A CN 117531979A
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- 238000005266 casting Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000005516 engineering process Methods 0.000 title abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 93
- 239000007924 injection Substances 0.000 claims abstract description 93
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 239000012943 hotmelt Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 3
- 239000012768 molten material Substances 0.000 description 10
- 239000011258 core-shell material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910001234 light alloy Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/08—Shaking, vibrating, or turning of moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses production equipment for casting a gear motor shell and a process thereof, and belongs to the technical field of production equipment for casting; further comprises: the cavity is formed in the inner side of the lower die, a vibration component is arranged on the inner side of the cavity, and knocking vibration of the lower die is realized through heat change in the casting process; the injection piece is rotatably arranged between the upper die and the die core, and uniform injection is realized through rotation; the sliding groove is formed in the fixing frame, a connecting pipe is arranged on the inner side of the sliding groove, and the upper end of the connecting pipe is connected with a negative pressure component. The production equipment and the technology for casting the shell of the gear motor can rotationally discharge the molten raw material, improve the uniformity of material injection, realize automatic exhaust and bubble removal by utilizing the heat drive of the molten raw material, and effectively improve the casting molding effect of the shell.
Description
Technical Field
The invention relates to the technical field related to motor shell casting, in particular to production equipment and technology for casting a gear motor shell.
Background
The gear motor housing is a housing for protecting internal components of the motor, and is usually made of aluminum alloy, and in the production of the gear motor housing, a casting mode is generally adopted, and alloy materials in a molten state are injected into a mold to be integrally formed.
Among the prior art, as the casting mould for light alloy motor housing of publication number CN115194096A, including outside slide damper, the avris department of outside slide damper surface is equipped with fixed folded plate, fixed folded plate passes through fixing bolt and outside slide damper's surface fixed connection, the top cover between the outside slide damper opposite face is equipped with pushes down the module, the inside cover of pushing down the module is equipped with the pan feeding heat sink, the bottom fixedly connected with guide bar of pushing down the module, the surface cover of guide bar bottom is equipped with the support module device, the pan feeding heat sink includes the spacing ring board, the spacing ring board sets up in the upper surface department of pushing down the module. According to the casting mould for the light alloy motor shell, in the process of pressing and descending of the lower pressure-reducing temperature block, the elastic pull rod is subjected to stretching force, so that the limiting ring plate is contracted inwards to achieve an excellent sealing effect, but in the use process, gas at the inner side of the cavity is automatically discharged only through extrusion, so that bubbles in a molten raw material cannot be completely discharged, and air holes are easily formed on the surface and the inner side of the machined shell;
as another example, a molded motor housing casting mold disclosed in publication No. CN114734002a, said mold comprising: casting a core shell, wherein the casting core shell is placed in a die holder; the mold core is matched with the casting core shell, a forming cavity is formed between the mold core and the casting core shell when the mold core stretches into the casting core shell, a liquid supply mechanism for supplying casting solution into the forming cavity is further arranged at the top of the mold core, and the height of the mold core relative to the casting core shell is adjusted through a first height adjusting piece; the liquid supply mechanism comprises a liquid supply tank fixedly arranged on the mold core, and a piston block is slidably arranged in the liquid supply tank. The casting mold can avoid the problem that the metal liquid in the mold is not filled rapidly and sufficiently frequently in the process of casting the motor shell, and the metal liquid is difficult to be uniformly distributed in the inner cavity of the mold after being injected into the mold.
Disclosure of Invention
The invention aims to provide production equipment for casting a gear motor shell and a process thereof, which are used for solving the problem that the production equipment for casting the gear motor shell on the market provided by the background technology is inconvenient to rapidly discharge bubbles in a molten material in the casting process.
In order to achieve the above purpose, the present invention provides the following technical solutions: the production equipment for casting the gear motor shell comprises a horizontally arranged base, wherein a lower die and an air cylinder are fixedly arranged on the base, a die cavity is formed in the inner side of the lower die, a guide pillar is fixedly arranged on the upper surface of the lower die, meanwhile, an upper die is fixedly connected with the output end of the air cylinder, and a die core is fixedly arranged in the middle of the upper die through a fixing frame;
further comprises: the cavity is formed in the inner side of the lower die, a vibration component is arranged on the inner side of the cavity, and knocking vibration of the lower die is realized through heat change in the casting process;
the cooling pipe is embedded and arranged on the inner wall of the cavity by the bolts and is connected with the external cooler, so that rapid forming and cooling are realized;
the injection piece is rotatably arranged between the upper die and the die core, and uniform injection is realized through rotation;
the inner cavity is formed in the inner side of the mold core, a driving assembly is arranged in the inner side of the inner cavity, and driving rotation of the injection piece is realized through heat in the casting process;
the sliding groove is formed in the fixing frame, a connecting pipe is arranged on the inner side of the sliding groove, and the upper end of the connecting pipe is connected with a negative pressure assembly for improving the exhaust efficiency of gas on the inner side of the die cavity.
Preferably, the vibration component comprises a screw piece arranged in the cavity, the lower end of the screw piece is fixedly arranged on the inner wall of the cavity, and the screw piece is made of memory metal materials.
By adopting the technical scheme, after molten materials are injected into the die cavity, the lower die is heated, so that the screw piece is heated and then is found to deform, the upper end of the screw piece is enabled to rise in a rotating mode, and position adjustment is achieved.
Preferably, the top of the spiral piece is elastically rotated and is provided with the knocking piece, the top of the knocking piece is attached to the inner wall of the cavity, the outer side of the knocking piece is fixedly provided with the magnetic blocks, meanwhile, the inner wall of the cavity is uniformly embedded and provided with the magnetic rings, and the positions of the magnetic blocks and the magnetic rings are correspondingly arranged and opposite to each other in magnetic pole.
Through adopting above-mentioned technical scheme for when the screw member drove the knocking member and shifts up the rotation, the knocking member can be close to the magnetic ring of co-altitude one by one, can make the knocking member carry out elastic rotation under magnetic force effect, thereby intermittently strike the inner wall of cavity, make the die cavity inner wall vibrate, and then promote the bubble discharge.
Preferably, the injection piece is of a disc-shaped structure, the bottom surface of the inner side of the injection piece is in a conical shape, injection holes are uniformly formed in the bottom of the injection piece, and the injection holes and the mold cavities are correspondingly arranged.
By adopting the technical scheme, after the hot-melt material is poured into the inner side of the injection piece, the material can enter the die cavity through a plurality of injection holes.
Preferably, the driving assembly comprises a connecting cylinder fixedly installed at the lower end of the injection piece, the connecting cylinder is rotationally connected with the mold core, an air bag is arranged between the outer side of the connecting cylinder and the inner cavity, an adjusting ring is arranged between the outer side of the connecting cylinder and the inner cavity in a lifting mode, and meanwhile the upper end and the lower end of the air bag are respectively fixedly connected with the inner side bottom of the inner cavity and the lower end face of the adjusting ring.
By adopting the technical scheme, after the mold core contacts with the high-temperature material, the temperature in the inner cavity can be increased, so that the air bag in the inner cavity is heated and expanded, and the adjusting ring is pushed to move upwards, so that the height adjustment is realized.
Preferably, the inner wall of the adjusting ring is embedded with balls, the outer wall of the connecting cylinder is provided with a spiral guide groove, and the balls slide along the guide groove.
Through adopting above-mentioned technical scheme for when the balloon drove the adjusting ring and risen, can make the ball roll along the guide slot, thereby drive connecting cylinder and injection member and rotate, make the injection member can carry out rotatory notes material, make hot melt raw materials can quick evenly distributed in the die cavity.
Preferably, the injection piece is fixedly penetrated with an exhaust pipe, the exhaust pipe is communicated with the die cavity, and the upper ends of the upper die, the injection piece and the exhaust pipe are flush.
Through adopting above-mentioned technical scheme for when the injection piece pours into the material through the injection hole into, the air in the die cavity can be discharged through the blast pipe, and the blast pipe can avoid the material to get into simultaneously.
Preferably, the connecting pipe is arranged on the motion track of the exhaust pipe, the end parts of the exhaust pipe and the connecting pipe are communicated through magnetic attraction, and the connecting pipe is in sliding connection with the sliding groove.
By adopting the technical scheme, when the injection piece rotates, the exhaust pipe can be driven to intermittently pass through the connecting pipes at different positions, so that the connecting pipes are driven to slide and adjust along the sliding grooves after adsorption and communication.
Preferably, the negative pressure assembly comprises a piston cylinder communicated with the connecting pipe, a piston sheet is installed on the inner side of the piston cylinder in an interference fit mode, a spring is connected between the piston sheet and the inner wall of the upper end of the piston cylinder, a piston rod is fixedly arranged at the upper end of the piston sheet, the piston rod penetrates through the upper end of the piston cylinder and is in telescopic connection with the piston rod, an abutting piece is fixedly arranged at the upper end of the piston rod, the lower surface of the abutting piece is attached to the inclined upper surface of the guide piece, and the guide piece is fixedly arranged on the upper surface of the fixing frame.
Through adopting above-mentioned technical scheme for when the blast pipe drove the connecting pipe and remove, the conflict piece can be followed the inclined plane slip of guide, thereby pulling the piston piece and upwards move in the piston cylinder, make the piston cylinder can be through blast pipe and connecting pipe extraction gas in the die cavity, make the effective discharge of air in the injection hot melt material, further improve the casting effect.
Preferably, the process of the production equipment for casting the gear motor shell comprises the following specific steps:
s1: the output end of the control cylinder contracts to drive the upper die to move downwards, so that the guide sleeve slides along the guide post to realize guiding, and the die core is accurately placed in the die cavity to realize die assembly;
s2: leading in hot melt raw materials into a groove body of an injection piece, enabling the hot melt raw materials to enter a mold cavity through an injection hole, simultaneously enabling an exhaust pipe to automatically exhaust air in the mold cavity, enabling a screw piece to deform after being heated along with the temperature rise of a lower mold, enabling the top of the screw piece to drive a knocking piece to rise and rotate, enabling the knocking piece to be close to magnetic rings at different positions one by one, enabling magnetic blocks and the magnetic blocks on the back of the knocking piece to be magnetically attracted, enabling the knocking piece to elastically rotate when the magnetic blocks and the magnetic blocks are staggered, knocking the inner wall of the cavity to further knock the vibration of the mold cavity wall, and enabling bubbles in the hot melt raw materials to float upwards to be exhausted due to vibration;
s3: along with the injection of hot-melt material for the mold core is heated and is raised, thereby make its inboard gasbag heated expansion, thereby promote the adjusting ring and follow the connecting cylinder and shift up, thereby make the ball of adjusting ring inner wall can roll along the guide slot, thereby drive connecting cylinder and injection piece and rotate, make the injection hole on the injection piece can adjust the injection position, make the injection material more even, when the injection piece drives the blast pipe rotatory simultaneously, can make the blast pipe intermittent type be close to the connecting pipe, make the blast pipe adsorb the intercommunication with the connecting pipe under magnetic force effect, and drive the connecting pipe and slide along the spout, the piece that contradicts simultaneously rotates, and slide along the guide piece inclined plane, thereby promote the piston rod and drive the piston piece and slide in the inboard of piston cylinder, make the piston cylinder draw unnecessary air in the die cavity through the connecting pipe, the blast pipe, make the atmospheric pressure change in the die cavity, further promote the exhaust, improve the material flow smoothness in the injection hole simultaneously.
Compared with the prior art, the invention has the beneficial effects that: the production equipment and the process for casting the shell of the gear motor can rotationally discharge the molten raw material, improve the uniformity of material injection, realize automatic exhaust and bubble removal by utilizing the heat drive of the molten raw material, and effectively improve the casting and forming effects of the shell, and are specifically disclosed as follows;
1. the screw, the knocking piece and the magnetic ring are arranged, along with the injection of the molten material, the temperature in the cavity of the lower die is increased, the screw is deformed after being heated, the top of the screw drives the knocking piece to rise and rotate at the same time, the knocking piece is close to the magnetic rings at different positions one by one, the knocking piece is made to reciprocate and elastically rotate under the magnetic force of the magnetic blocks and the magnetic rings, so that the different positions of the outer wall of the die cavity are knocked one by one from bottom to top, and the rising and discharge of bubbles in the molten material are promoted by vibration;
2. the injection piece, the connecting cylinder and the air bag are arranged, and along with the injection of the molten material, the mold core is heated and heats the air bag, so that the air bag is expanded and deformed, the adjusting ring is pushed to move upwards along the connecting cylinder, the ball rolls along the guide groove, the injection piece is driven to rotate through the connecting cylinder, the position of an injection hole on the injection piece is adjusted, the uniform injection of the molten material is realized, and high injection efficiency is provided;
3. be provided with blast pipe and connecting pipe, along with the rotation of injection member, can intermittently be close to connecting pipe to both adsorb the intercommunication and remove together, make the conflict piece can slide along the guide, drive piston rod lift adjustment, make the piston piece shift up in the inboard of piston section of thick bamboo, make the piston section of thick bamboo can be through blast pipe and connecting pipe extraction die cavity air, thereby change the air pressure in the die cavity, further promote the discharge of bubble, can accelerate the injection of molten material simultaneously.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic top view of the lower die of the present invention;
FIG. 4 is a schematic view of the bottom of the upper die of the present invention;
FIG. 5 is a schematic diagram of a cross-sectional structure of a lower die of the present invention;
FIG. 6 is a schematic diagram of the cross-sectional structure of the upper mold and the mold core of the present invention;
FIG. 7 is a schematic perspective view of an injector and connecting cylinder according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 9 is a schematic cross-sectional view of a holder according to the present invention;
fig. 10 is an enlarged view of the structure of fig. 9B according to the present invention.
In the figure: 1. a base; 2. a lower die; 3. a cylinder; 4. a mold cavity; 5. a guide post; 6. an upper die; 7. guide sleeve; 8. a mold core; 9. a cavity; 10. a cooling tube; 11. a screw; 12. a knocking member; 13. a magnetic block; 14. a magnetic ring; 15. a fixing frame; 16. an injection member; 17. a connecting cylinder; 18. a guide groove; 19. an inner cavity; 20. an air bag; 21. an adjusting ring; 22. a ball; 23. an injection hole; 24. an exhaust pipe; 25. a chute; 26. a connecting pipe; 27. a piston cylinder; 28. a piston plate; 29. a spring; 30. a piston rod; 31. a contact member; 32. a guide.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 10, the present invention provides a technical solution: the production equipment for casting the gear motor shell comprises a base 1 which is horizontally arranged, wherein a lower die 2 and a cylinder 3 are fixedly arranged on the base 1, a die cavity 4 is formed in the inner side of the lower die 2, a guide post 5 is fixedly arranged on the upper surface of the lower die 2, meanwhile, an upper die 6 is fixedly connected with the output end of the cylinder 3, and a die core 8 is fixedly arranged in the middle of the upper die 6 through a fixing frame 15;
further comprises: the cavity 9 is formed in the inner side of the lower die 2, a vibration component is arranged in the inner side of the cavity 9, and knocking vibration of the lower die 2 is realized through heat change in the casting process; the cooling pipe 10 is embedded and installed on the inner wall of the cavity 9 by bolts, and the cooling pipe 10 is connected with an external cooler to realize rapid molding and cooling; the vibration assembly comprises a screw 11 arranged in the cavity 9, the lower end of the screw 11 is fixedly arranged on the inner wall of the cavity 9, and the screw 11 is made of memory metal material. The top of the spiral piece 11 is elastically rotatably provided with the knocking piece 12, the top of the knocking piece 12 is attached to the inner wall of the cavity 9, the magnetic blocks 13 are fixedly arranged on the outer side of the knocking piece 12, meanwhile, the inner wall of the cavity 9 is uniformly embedded and provided with the magnetic rings 14, and the positions of the magnetic blocks 13 and the magnetic rings 14 are correspondingly arranged and opposite to each other in magnetic pole.
As shown in fig. 1-5 and 8, the control cylinder 3 drives the lower die 2 and the upper die 6 to perform die assembly, then molten material is injected into the die cavity 4 through the injection piece 16, so that the temperature in the die cavity 9 is increased, the spiral piece 11 is heated, the spiral piece 11 is deformed after being heated, the top of the spiral piece drives the knocking piece 12 to rotate and rise, the magnetic blocks 13 outside the knocking piece 12 pass through magnetic rings 14 at different positions one by one, the knocking piece 12 elastically rotates, and knocking on the outer wall of the die cavity 4 is achieved, and foam removal is achieved through generated vibration.
The injection piece 16 is rotatably arranged between the upper die 6 and the die core 8, and realizes uniform injection by rotation; the inner cavity 19 is formed in the inner side of the mold core 8, a driving assembly is arranged in the inner side of the inner cavity 19, and driving rotation of the injection piece 16 is realized through heat in the casting process;
the chute 25 is arranged on the fixing frame 15, a connecting pipe 26 is arranged on the inner side of the chute 25, and the upper end of the connecting pipe 26 is connected with a negative pressure component for improving the exhaust efficiency of the gas on the inner side of the die cavity 4. The injection piece 16 has a disc-shaped structure, the inner bottom surface of the injection piece 16 is in a conical shape, the bottom of the injection piece 16 is uniformly provided with injection holes 23, and the injection holes 23 are correspondingly arranged with the die cavity 4. The driving assembly comprises a connecting cylinder 17 fixedly arranged at the lower end of the injection piece 16, the connecting cylinder 17 is rotationally connected with the mold core 8, an air bag 20 is arranged between the outer side of the connecting cylinder 17 and the inner cavity 19, an adjusting ring 21 is arranged between the outer side of the connecting cylinder 17 and the inner cavity 19 in a lifting mode, and meanwhile the upper end and the lower end of the air bag 20 are respectively fixedly connected with the inner side bottom of the inner cavity 19 and the lower end face of the adjusting ring 21. The ball 22 is fitted into the inner wall of the adjusting ring 21, the spiral guide groove 18 is formed in the outer wall of the connecting tube 17, and the ball 22 slides along the guide groove 18. The injection piece 16 is fixedly penetrated with an exhaust pipe 24, the exhaust pipe 24 is communicated with the die cavity 4, and the upper ends of the upper die 6, the injection piece 16 and the exhaust pipe 24 are flush.
As shown in fig. 6 to 7, as the temperature in the mold cavity 4 increases, the air bag 20 in the mold core 8 expands due to heating, and pushes the adjusting ring 21 to rise along the connecting cylinder 17, so that the balls 22 roll along the guide groove 18, and the injection piece 16 is driven to rotate, so that the injection hole 23 on the injection piece 16 can be rotated and adjusted, the molten material can be uniformly injected into the mold cavity 4, the injection efficiency is improved, and the exhaust pipe 24 can realize the discharge of air.
The engagement pipe 26 is on the movement locus of the exhaust pipe 24, and the ends of the exhaust pipe 24 and the engagement pipe 26 are communicated by magnetic attraction, and the engagement pipe 26 and the chute 25 are slidingly connected. The negative pressure assembly comprises a piston cylinder 27 communicated with a connecting pipe 26, a piston sheet 28 is installed on the inner side of the piston cylinder 27 in an interference fit mode, a spring 29 is connected between the piston sheet 28 and the inner wall of the upper end of the piston cylinder 27, a piston rod 30 is fixedly arranged at the upper end of the piston sheet 28, the piston rod 30 penetrates through the upper end of the piston cylinder 27 and is in telescopic connection with the piston rod, an abutting piece 31 is fixedly arranged at the upper end of the piston rod 30, the lower surface of the abutting piece 31 is attached to the inclined upper surface of a guide piece 32, and the guide piece 32 is fixedly arranged on the upper surface of a fixing frame 15.
As shown in fig. 7-10, with the rotation of the injection member 16, the exhaust pipe 24 on the outer side of the injection member will intermittently approach the connecting pipe 26 at different positions, so that the two pipes are in adsorption communication and move synchronously, and at this time, the connecting pipe 26 will drive the piston cylinder 27 to slide along the sliding groove 25, so that the abutting member 31 is guided by the guiding member 32 to drive the piston sheet 28 to move upwards in the piston cylinder 27, thereby adjusting the air pressure in the mold cavity 4, further accelerating the air discharge and bubble breakage in the mold cavity 4, and simultaneously promoting the injection of the molten material in the injection member 16.
A technology of production equipment for casting a gear motor shell comprises the following specific steps:
s1: the output end of the control cylinder 3 contracts to drive the upper die 6 to move downwards, so that the guide sleeve 7 slides along the guide post 5 to realize guiding, and the die core 8 is accurately placed into the die cavity 4 to realize die assembly;
s2: introducing hot melt raw materials into the groove body of the injection piece 16, so that the hot melt raw materials enter the die cavity 4 through the injection hole 23, simultaneously, the exhaust pipe 24 can automatically exhaust air in the die cavity 4, along with the temperature rise of the lower die 2, the screw piece 11 deforms after being heated, the top of the screw piece 11 drives the knocking piece 12 to rise and rotate, the knocking piece 12 is close to magnetic rings 14 at different positions one by one, magnetic attraction is generated between the magnetic blocks 13 and 13 on the back of the knocking piece 12, the knocking piece 12 elastically rotates, when the magnetic blocks 13 and 13 are staggered, the knocking piece 12 elastically rotates, and then the inner wall of the cavity 9 is knocked, so that vibration of the wall of the die cavity 4 is realized, and bubbles in the hot melt material float upwards for exhaust due to vibration;
s3: along with the injection of the hot-melt material, the mold core 8 is heated and heated to raise the temperature, so that the air bag 20 at the inner side of the mold core is heated and expanded, thereby pushing the adjusting ring 21 to move upwards along the connecting cylinder 17, the ball 22 at the inner wall of the adjusting ring 21 rolls along the guide groove 18, thereby driving the connecting cylinder 17 and the injection piece 16 to rotate, the injection hole 23 on the injection piece 16 can adjust the injection position to enable the injection material to be more uniform, meanwhile, when the injection piece 16 drives the exhaust pipe 24 to rotate, the exhaust pipe 24 intermittently approaches the connecting pipe 26, the exhaust pipe 24 is in adsorption communication with the connecting pipe 26 under the action of magnetic force, and drives the connecting pipe 26 to slide along the sliding groove 25, at the moment, the abutting piece 31 rotates simultaneously and slides along the inclined surface of the guide piece 32, thereby pushing the piston rod 30 to drive the piston piece 28 to slide at the inner side of the piston barrel 27, and the piston barrel 27 extracts redundant air in the mold cavity 4 through the connecting pipe 26 and the exhaust pipe 24, thereby enabling the air pressure in the mold cavity 4 to change, further promoting the exhaust, and simultaneously improving the flow smoothness of the material in the injection hole 23.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The production equipment for casting the gear motor shell comprises a base (1) which is horizontally arranged, wherein a lower die (2) and a cylinder (3) are fixedly arranged on the base (1), a die cavity (4) is formed in the inner side of the lower die (2), a guide pillar (5) is fixedly arranged on the upper surface of the lower die (2), meanwhile, the output end of the cylinder (3) is fixedly connected with an upper die (6), and a die core (8) is fixedly arranged in the middle of the upper die (6) through a fixing frame (15);
characterized by further comprising:
the cavity (9) is formed in the inner side of the lower die (2), a vibration component is arranged in the inner side of the cavity (9), and knocking vibration of the lower die (2) is realized through heat change in the casting process;
the cooling pipe (10) is embedded and arranged on the inner wall of the cavity (9), and the cooling pipe (10) is connected with an external cooler to realize rapid molding and cooling;
the injection piece (16) is rotatably arranged between the upper die (6) and the die core (8), and realizes uniform injection through rotation;
the inner cavity (19) is formed in the inner side of the mold core (8), a driving assembly is arranged in the inner side of the inner cavity (19), and driving rotation of the injection piece (16) is realized through heat in the casting process;
the sliding groove (25) is formed in the fixing frame (15), a connecting pipe (26) is arranged on the inner side of the sliding groove (25), and the upper end of the connecting pipe (26) is connected with a negative pressure assembly for improving the exhaust efficiency of gas on the inner side of the die cavity (4).
2. The production equipment for casting a gear motor housing according to claim 1, wherein: the vibration component comprises a spiral piece (11) arranged in the cavity (9), the lower end of the spiral piece (11) is fixedly arranged on the inner wall of the cavity (9), and the spiral piece (11) is made of memory metal materials.
3. The production equipment for casting a gear motor housing according to claim 2, wherein: the top elastic rotation of screw (11) is installed and is knocked down piece (12), and the top of knocking piece (12) is laminated in the inner wall of cavity (9), and the outside fixed mounting of knocking piece (12) has magnetic path (13), and the inner wall of cavity (9) is even embedded installs magnetic ring (14) simultaneously, and the position of magnetic path (13) and magnetic ring (14) corresponds the setting and opposite face magnetic pole is opposite.
4. The production equipment for casting a gear motor housing according to claim 1, wherein: the injection piece (16) is of a disc-shaped structure, the inner bottom surface of the injection piece (16) is in a conical shape, injection holes (23) are uniformly formed in the bottom of the injection piece (16), and the injection holes (23) and the die cavity (4) are correspondingly arranged.
5. The production equipment for casting a gear motor housing according to claim 1, wherein: the driving assembly comprises a connecting cylinder (17) fixedly arranged at the lower end of the injection piece (16), the connecting cylinder (17) is rotationally connected with the mold core (8), an air bag (20) is arranged between the outer side of the connecting cylinder (17) and the inner cavity (19), an adjusting ring (21) is arranged between the outer side of the connecting cylinder (17) and the inner cavity (19) in a lifting mode, and meanwhile the upper end and the lower end of the air bag (20) are fixedly connected with the inner side bottom of the inner cavity (19) and the lower end face of the adjusting ring (21) respectively.
6. The production equipment for casting a gear motor housing according to claim 5, wherein: the inner wall of the adjusting ring (21) is embedded with a ball (22), the outer wall of the connecting cylinder (17) is provided with a spiral guide groove (18), and the ball (22) slides along the guide groove (18).
7. The production equipment for casting a gear motor housing according to claim 1, wherein: the injection piece (16) is fixedly penetrated with an exhaust pipe (24), the exhaust pipe (24) is communicated with the die cavity (4), and the upper ends of the upper die (6), the injection piece (16) and the exhaust pipe (24) are flush.
8. The production equipment for casting a gear motor housing according to claim 7, wherein: the connecting pipe (26) is arranged on the movement track of the exhaust pipe (24), the end parts of the exhaust pipe (24) and the connecting pipe (26) are communicated through magnetic attraction, and the connecting pipe (26) is connected with the sliding groove (25) in a sliding mode.
9. The production equipment for casting a gear motor housing according to claim 8, wherein: the negative pressure assembly comprises a piston cylinder (27) communicated with the connecting pipe (26), a piston piece (28) is installed on the inner side of the piston cylinder (27) in an interference fit mode, a spring (29) is connected between the piston piece (28) and the inner wall of the upper end of the piston cylinder (27), a piston rod (30) is fixedly arranged at the upper end of the piston piece (28) at the same time, the piston rod (30) penetrates through the upper end of the piston cylinder (27) and is in telescopic connection with the piston rod, a abutting piece (31) is fixedly arranged at the upper end of the piston rod (30), the lower surface of the abutting piece (31) is attached to the inclined upper surface of the guide piece (32), and the guide piece (32) is fixedly arranged on the upper surface of the fixing frame (15).
10. The process of production equipment for casting a gear motor shell according to claim 1, which is characterized by comprising the following specific steps:
s1: the output end of the air cylinder (3) is controlled to shrink, the upper die (6) is driven to move downwards, the guide sleeve (7) slides along the guide post (5) to realize guiding, and the die core (8) is accurately placed into the die cavity (4) to realize die assembly;
s2: leading a hot melt raw material into a groove body of an injection piece (16), enabling the hot melt raw material to enter a mold cavity (4) through an injection hole (23), enabling an exhaust pipe (24) to automatically exhaust air in the mold cavity (4), enabling a screw piece (11) to deform after being heated along with the temperature rise of a lower mold (2), enabling the top of the screw piece (11) to drive a knocking piece (12) to rise and rotate, enabling the knocking piece (12) to be close to magnetic rings (14) at different positions one by one, enabling magnetic blocks (13) and magnetic blocks (13) on the back of the knocking piece (12) to be magnetically attracted, enabling the knocking piece (12) to elastically rotate, and enabling the knocking piece (12) to elastically rotate when the magnetic blocks (13) and the magnetic blocks (13) are staggered, knocking the inner wall of the cavity (9) to vibrate, and enabling bubbles in the hot melt material to float and be exhausted due to vibration;
s3: along with the injection of hot-melt material, make mold core (8) be heated and heat up, thereby make gasbag (20) of its inboard thermal expansion, thereby promote adjusting ring (21) and follow connecting cylinder (17) and move upwards, make ball (22) of adjusting ring (21) inner wall can roll along guide slot (18), thereby drive connecting cylinder (17) and injection piece (16) and rotate, make injection hole (23) on injection piece (16) can adjust the filling position, make the material of annotating more evenly, simultaneously injection piece (16) drive blast pipe (24) rotatory time, can make blast pipe (24) intermittent type be close to connecting tube (26), make blast pipe (24) adsorb the intercommunication with connecting tube (26) under the magnetic force effect, and drive connecting tube (26) and slide along spout (25), contradict piece (31) can rotate simultaneously this moment, and slide along guide piece (32) inclined plane, thereby promote piston rod (30) to drive piston piece (28) and slide in the inboard of piston tube (27), make piston tube (27) take place in connecting tube (26), take place in the die cavity (4) through connecting tube (24), the change in the air pressure of the promotion in the blast pipe (4) is in the die cavity (4) is more smooth, simultaneously, the change in the air pressure takes place in the blast pipe (4) is further the blast pipe (4) is promoted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311529218.1A CN117531979B (en) | 2023-11-16 | 2023-11-16 | Production equipment and technology for casting gear motor shell |
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| CN202311529218.1A CN117531979B (en) | 2023-11-16 | 2023-11-16 | Production equipment and technology for casting gear motor shell |
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| CN117531979B CN117531979B (en) | 2024-06-07 |
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| US20040177942A1 (en) * | 2001-01-12 | 2004-09-16 | Mason Douglas P. | Method and apparatus for vibration casting of vehicle wheels |
| CN111571957A (en) * | 2020-06-18 | 2020-08-25 | 艾梅花 | Injection mold |
| CN113333720A (en) * | 2021-06-15 | 2021-09-03 | 程顺友 | Uniform pouring system for liquid nonferrous metal |
| CN113523253A (en) * | 2021-07-19 | 2021-10-22 | 江苏省高邮中等专业学校 | Liquid pressure casting equipment with defoaming function |
| KR102433335B1 (en) * | 2022-03-24 | 2022-08-18 | 엠쓰리파트너스 주식회사 | Module device for injection mold core |
| CN116277780A (en) * | 2023-05-05 | 2023-06-23 | 烟台神通汽车部件有限公司 | Integrated molding injection mechanism for upright post and application method thereof |
| CN116353005A (en) * | 2023-04-06 | 2023-06-30 | 林建设 | Constant temperature shaping device for cooling molten plastic |
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2023
- 2023-11-16 CN CN202311529218.1A patent/CN117531979B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040177942A1 (en) * | 2001-01-12 | 2004-09-16 | Mason Douglas P. | Method and apparatus for vibration casting of vehicle wheels |
| CN111571957A (en) * | 2020-06-18 | 2020-08-25 | 艾梅花 | Injection mold |
| CN113333720A (en) * | 2021-06-15 | 2021-09-03 | 程顺友 | Uniform pouring system for liquid nonferrous metal |
| CN113523253A (en) * | 2021-07-19 | 2021-10-22 | 江苏省高邮中等专业学校 | Liquid pressure casting equipment with defoaming function |
| KR102433335B1 (en) * | 2022-03-24 | 2022-08-18 | 엠쓰리파트너스 주식회사 | Module device for injection mold core |
| CN116353005A (en) * | 2023-04-06 | 2023-06-30 | 林建设 | Constant temperature shaping device for cooling molten plastic |
| CN116277780A (en) * | 2023-05-05 | 2023-06-23 | 烟台神通汽车部件有限公司 | Integrated molding injection mechanism for upright post and application method thereof |
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| CN117531979B (en) | 2024-06-07 |
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