CN117123757B - Ultralow-speed die casting die for automobile air conditioner compressor impeller - Google Patents
Ultralow-speed die casting die for automobile air conditioner compressor impeller Download PDFInfo
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- CN117123757B CN117123757B CN202311361662.7A CN202311361662A CN117123757B CN 117123757 B CN117123757 B CN 117123757B CN 202311361662 A CN202311361662 A CN 202311361662A CN 117123757 B CN117123757 B CN 117123757B
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- 238000004512 die casting Methods 0.000 title claims abstract description 32
- 239000002893 slag Substances 0.000 claims abstract description 87
- 238000000465 moulding Methods 0.000 claims description 32
- 238000004891 communication Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 29
- 229910052782 aluminium Inorganic materials 0.000 description 29
- 239000007788 liquid Substances 0.000 description 26
- 238000007599 discharging Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2227—Die seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
Abstract
The invention discloses an ultralow-speed die casting die for an impeller of an automobile air conditioner compressor, which comprises an upper die plate and a lower die plate, wherein an upper die core is embedded and installed at the lower side of the upper die plate, a lower die core is embedded and installed at the upper side of the lower die plate, two forming die cavities which are arranged side by side are formed by the upper die core and the lower die core, a sliding groove and a sliding block are arranged at one side of the lower die core, a plurality of lower-layer exhaust slag bags communicated with the corresponding forming die cavities are arranged between the bottom of the sliding block and the sliding groove, a plurality of upper-layer exhaust slag bags are arranged at the top of the sliding block, quick exhaust blocks are arranged at two ends of the lower die plate, quick exhaust slag bag grooves are arranged at the positions between the forming die cavities and the quick exhaust grooves at the upper sides of the lower die core, and the quick exhaust slag bag grooves are communicated with the lower-layer exhaust slag bags and the upper-layer exhaust slag bags at the same time. The invention can solve the technical problem that the existing low-speed die-casting mould is unsmooth in exhaust and is easy to generate air holes in the mould.
Description
Technical Field
The invention relates to the field of automobile part dies, in particular to an ultralow-speed die casting die for an automobile air conditioner compressor impeller.
Background
The automobile air conditioner compressor impeller is a part with vortex-shaped ribs arranged on one side end face, is an important part in an air conditioner compressor, is formed by adopting an aluminum die casting process, is mainly formed by adopting a high-temperature high-pressure rapid die casting die at present, but if the automobile air conditioner compressor impeller adopts the rapid die casting die, a lot of air holes are formed due to unsmooth air exhaust and too high aluminum material flow rate, and the generation of the air holes cannot be avoided by adding a vacuumizing device in time, so that the low-speed die casting die is required to be adopted to ensure that aluminum liquid is fully filled into a die cavity, the existing exhaust structure of the traditional low-speed die casting die is also provided with an exhaust block, the exhaust mode is obviously too large in resistance to influence the rapid air exhaust in the die cavity, and the die casting die of the automobile air conditioner compressor impeller needs to be redesigned.
Disclosure of Invention
The invention provides an ultralow-speed die-casting die for an impeller of an automobile air conditioner compressor, which can solve the technical problem that the existing low-speed die-casting die is unsmooth in exhaust and is easy to generate air holes in the die.
In order to achieve the above purpose, the present invention provides the following technical solutions: the ultra-low speed die casting die for the impeller of the automobile air conditioner compressor comprises an upper die plate and a lower die plate, wherein an upper die core is embedded and installed at the lower side of the upper die plate, a lower die core is embedded and installed at the upper side of the lower die plate, the upper die core and the lower die core form two forming die cavities arranged side by side, a main low speed runner is arranged on the first side of the lower die core, which is positioned on the two forming die cavities, the main low speed runner is communicated with the two forming die cavities, a sliding groove is arranged on the second side of the lower die core, which is positioned on the forming die cavity, a sliding block matched with the forming die cavity is arranged in the sliding groove in a sliding manner, the sliding block is driven to move by a sliding block oil cylinder at one side of the lower die plate, a plurality of lower layer exhaust slag bags communicated with the corresponding forming die cavities are arranged between the bottom of the sliding block and the sliding groove, the upper layer exhaust slag ladle communicated with the corresponding molding cavity is arranged between the top of the sliding block and the upper mold core, the two ends of the lower mold plate are provided with quick exhaust blocks close to the molding cavity, the upper side of each quick exhaust block is provided with a quick exhaust groove, the inside of each quick exhaust block is transversely provided with an inner exhaust channel communicated with the quick exhaust groove, the inside of the lower mold plate is vertically provided with an outer exhaust channel communicated with the inner exhaust channel, the inside of the inner exhaust channel is transversely provided with a plugging core pulling, the plugging core pulling moves under the drive of a plugging oil cylinder and cuts off the communication between the quick exhaust groove and the inner exhaust channel, the two ends of the upper side of the lower mold core are provided with quick exhaust slag ladle grooves positioned between the molding cavity and the quick exhaust grooves, the quick exhaust slag ladle grooves and the quick exhaust grooves are communicated in the radial direction, at least one of the lower layer exhaust slag ladle and the at least two upper layer exhaust slag ladles on the same side of the rapid exhaust slag ladle groove are communicated with the rapid exhaust slag ladle groove through the circulation groove, the movable sliding block is arranged to form the compressor impeller, so that the upper side surface and the lower side surface of the sliding block can be utilized to arrange two layers of exhaust grooves, and the rapid exhaust slag ladle groove is used for converging and rapidly discharging the exhaust of the exhaust slag ladles on the upper side and the lower side of the sliding block into the rapid exhaust block to be discharged from the outer exhaust channel, so that the air in the die cavity can be rapidly discharged.
Preferably, the rapid exhaust slag ladle groove is provided with two first guide grooves communicated with the upper exhaust slag ladle side by side towards one side of the molding die cavity, a second guide groove communicated with a lower exhaust slag ladle is arranged between the two first guide grooves, and the first guide groove and the second guide groove can guide air flow so as to rapidly ensure that air and aluminum liquid in the upper exhaust slag ladle and the lower exhaust slag ladle are in the rapid exhaust slag ladle groove.
Preferably, the side part of the rapid exhaust slag ladle groove is also provided with a stepped exhaust groove extending to the edge of the lower die core, the stepped exhaust groove can assist in exhausting gas in the rapid exhaust slag ladle groove, and the stepped exhaust groove can prevent aluminum liquid from flowing outwards.
Preferably, the upper layer exhaust slag ladle and the lower layer exhaust slag ladle are all three which are uniformly arranged along the edge of the corresponding molding die cavity, wherein one of the lower layer exhaust slag ladles positioned in the middle is communicated with the second guide groove, one lower layer exhaust slag ladle close to the rapid exhaust slag ladle groove extends to the edge of the lower die core through the external exhaust groove, the rest lower layer exhaust slag ladle is communicated through the communication exhaust groove positioned in the middle of the lower die core, two of the upper layer exhaust slag ladles close to the rapid exhaust slag ladle groove are respectively communicated with the corresponding first guide groove, the rest upper layer exhaust slag ladle is also communicated with the communication exhaust groove, the upper layer exhaust slag ladle and the lower layer exhaust slag ladle are all three, aluminum liquid can be uniformly guided and discharged, and meanwhile, slag ladles between the two die cavities are communicated through the communication exhaust groove, so that the flow rate of aluminum liquid flowing through the die cavity can be effectively improved.
Preferably, each molding die cavity is communicated with the main low-speed runner through two auxiliary low-speed runners, a flow limiting protruding part is arranged at the position, close to the molding die cavity, of each auxiliary low-speed runner, aluminum liquid in the main low-speed runner can be split, the aluminum liquid in the molding die cavity is more uniform, the flow rate of the aluminum liquid entering the molding die cavity can be reduced by the flow limiting protruding part, and separation and cutting of a later-stage runner material handle and a product are facilitated.
Preferably, the sections of the main low-speed runner and the auxiliary low-speed runner are U-shaped, which is beneficial to reducing the flow velocity of aluminum liquid in the main low-speed runner and the auxiliary low-speed runner.
Preferably, the quick exhaust groove is communicated with the inner exhaust channel through a first air passage arranged vertically, the inner exhaust channel is communicated with the outer exhaust channel through a second air passage arranged vertically, the first air passage and the second air passage are arranged in a staggered mode, the first air passage corresponds to a thimble in the lower die plate, the lower end of the thimble is connected with a top plate positioned on the lower side of the lower die plate, and the thimble can eject waste materials formed on the quick exhaust groove and products together.
Preferably, the upper air discharging block is embedded in the position corresponding to the quick air discharging block at the lower side of the upper die core, and the upper air discharging block is in butt joint with the quick air discharging block to form a quick air discharging groove during die assembly.
Compared with the prior art, the invention has the beneficial effects that:
the structure is unique, the compressor impeller is formed by arranging the movable forming sliding blocks, so that the upper side and the lower side of the forming sliding blocks can be utilized to arrange two layers of exhaust grooves, and the rapid exhaust slag ladle grooves are used for converging exhaust gas of exhaust slag ladles on the upper side and the lower side of the forming sliding blocks and rapidly discharging the exhaust gas from the outer exhaust channel in the rapid exhaust blocks, so that air in a mold cavity can be rapidly discharged, products of air holes during product forming are reduced, and various problems that the conventional die casting die is used for forming the compressor impeller of an automobile air conditioner are solved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view partially in cross-section of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A
FIG. 4 is a side elevational view in partial cross-section of the structure of the present invention;
FIG. 5 is a top partial block diagram of the present invention;
FIG. 6 is a partial perspective view of the present invention;
FIG. 7 is a perspective view of a lower mold insert according to the present invention;
FIG. 8 is an enlarged block diagram of the portion B of FIG. 7;
FIG. 9 is a top view of the lower mold insert of the present invention;
fig. 10 is a schematic view of an automotive air conditioning compressor wheel according to the present invention.
Reference numerals:
1. the upper die plate, 11, the lower layer exhaust slag ladle, 12, the quick exhaust slag ladle groove, 13, the first guide groove, 14, the stepped exhaust groove, 15, the second guide groove, 16, the external exhaust groove, 17, the main low-speed runner, 18, the auxiliary low-speed runner, 19, the flow limiting protruding part, 2, the lower die plate, 21, the communicating exhaust groove, 23, the forming die cavity, 24, the upper exhaust block, 25, the inner exhaust channel, 26, the ejector pin, 27, the outer exhaust channel, 28, the top plate, 29, the quick exhaust groove, 3, the plugging oil cylinder, 31, the first communicating air channel, 32, the second communicating air channel, 4, the slider oil cylinder, 5, the lower die core, 6, the quick exhaust block, 7, the plugging core, 8, the slider, 9, the upper layer exhaust slag ladle, 10 and the sliding chute.
Detailed Description
The technical solutions in 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.
As shown in fig. 10, one end of the impeller of the air conditioner of the automobile is a plane, and the other end is provided with a vortex-shaped blade structure, which is the main part of the impeller, so that the main part of the impeller is mainly a vortex-shaped blade structure formed by a die casting die, and a slide block is not required to be arranged between an upper die core and a lower die core for forming the vortex-shaped blade structure in a traditional high-speed die casting die, so that only a vortex-shaped groove is arranged on the lower die core, but the vortex-shaped blade structure is easy to generate a plurality of air holes in the inside and the surface after the formation due to the relatively high speed and unsmooth air discharge during the formation in the high-speed die casting die, and the strength and the service life of the impeller of the compressor are affected.
Therefore, in order to solve the above-mentioned technical problems, as shown in fig. 1-9, an ultralow speed die casting mold for an impeller of an air conditioner compressor of an automobile is provided in the embodiment of the present invention, which comprises an upper die plate 1 and a lower die plate 2, wherein an upper die core is embedded and installed at the lower side of the upper die plate 1, a lower die core 5 is embedded and installed at the upper side of the lower die plate 2, the upper die core and the lower die core 5 form two molding cavities 23 arranged side by side, a main low speed runner 17 is provided on a first side of the two molding cavities 23 on the lower die core 5, the main low speed runner 17 is communicated with the two molding cavities 23, a runner 10 is provided on a second side of the molding cavities 23 on the lower die core 5, a slide 8 matched with the molding cavities 23 is slidably provided in the runner 10, the slide 8 is driven to move by a slide cylinder 4 on one side of the lower die plate 2, a plurality of lower layer exhaust slag bags 11 communicated with the corresponding molding die cavities 23 are arranged between the bottom of the sliding block 8 and the sliding chute 10, a plurality of upper layer exhaust slag bags 9 communicated with the corresponding molding die cavities 23 are arranged between the top of the sliding block 8 and the upper die core, quick exhaust blocks 6 are arranged at the two ends of the lower die plate 2 close to the molding die cavities 23, quick exhaust grooves 29 are arranged on the upper sides of the quick exhaust blocks 6, inner exhaust channels 25 communicated with the quick exhaust grooves 29 are transversely arranged in the quick exhaust blocks 6, outer exhaust channels 27 communicated with the inner exhaust channels 25 are vertically arranged in the lower die plate 2, a core pulling plug 7 is transversely arranged in the inner exhaust channels 25, the core pulling plug 7 moves under the drive of the blocking oil cylinder 3 and cuts off the communication between the quick exhaust grooves 29 and the inner exhaust channels 25, the two ends of the upper side of the lower die core 5 are positioned between the forming die cavity 23 and the quick exhaust groove 29, the quick exhaust groove 12 is communicated with the quick exhaust groove 29, at least one lower exhaust slag ladle 11 and at least two upper exhaust slag ladles 9 on the same side of the quick exhaust groove 12 are communicated with the quick exhaust groove 12 through the circulation groove, the movable sliding block 8 is arranged to form a compressor impeller, so that the upper side and the lower side of the sliding block 8 can be utilized to arrange two layers of exhaust grooves, and the quick exhaust slag ladle 12 is arranged to collect and quickly exhaust the exhaust ladles on the upper side and the lower side of the sliding block 8 into the quick exhaust block 6 to be discharged from the outer exhaust channel 27, thereby more quickly exhausting the air in the die cavity.
Specifically, in this embodiment, the slider 8 is not mainly used for forming the compressor impeller, mainly, the upper and lower two layers of exhaust ladles are formed by setting the slider 8, the aluminum liquid flows through the forming cavity 23 and then enters the upper layer exhaust ladles 9 and the lower layer exhaust ladles 11, the traditional ladles do not actively set the exhaust function, the exhaust block is installed on the mold, but the structure of the compressor impeller is complex, so that the aluminum liquid can continue to flow after entering the upper layer exhaust ladles 9 and the lower layer exhaust ladles 11, part of the aluminum liquid is gathered into the rapid exhaust ladles 12, the gas in the aluminum liquid is gathered into the rapid exhaust ladles 12, the rapid exhaust ladles 12 are also communicated with the rapid exhaust ladles 29 on the rapid exhaust block 6, so that the gas can enter the inner exhaust channel 25 before the aluminum liquid flows through and is rapidly exhausted from the outer exhaust channel 27, the exhaust efficiency is high, and the low-speed aluminum liquid can be preferentially discharged to the rapid exhaust ladles 9, and when the aluminum liquid is rapidly exhausted from the inner exhaust channel 25, the air holes can be prevented from being blocked by the rapid exhaust block by the low-speed impeller, and the rapid exhaust structure can be prevented from being extended into the air vent channel 25, and the rapid exhaust channel can be rapidly formed.
In this embodiment, the flow speed of the molten aluminum in the main low-speed runner 17 and the die cavity is 0.4 to 0.5m/s, the specific pressure is 120 to 150mpa, the whole die casting process is 4 seconds, and the time of the whole die casting process of the conventional high-pressure die casting is 1.8 seconds, so the die in the invention is an ultra-low-speed die casting die.
In some embodiments, as shown in fig. 7-8, two first guiding grooves 13 communicated with the upper layer of the exhaust slag ladle 9 are arranged side by side on the side of the rapid exhaust slag ladle 12 facing the forming mold cavity 23, a second guiding groove 15 communicated with one lower layer of the exhaust slag ladle 11 is arranged between the two first guiding grooves 13, and the first guiding grooves 13 and the second guiding grooves 15 can guide gas flow to guide gas and aluminum liquid in the upper layer of the exhaust slag ladle 9 and the lower layer of the exhaust slag ladle 11 into the rapid exhaust slag ladle 12.
Meanwhile, in order to further increase the exhaust speed of the rapid exhaust slag ladle 12, the side portion of the rapid exhaust slag ladle 12 is further provided with a stepped exhaust groove 14 extending to the edge of the lower die core 5, the stepped exhaust groove 14 can assist in exhausting the gas in the rapid exhaust slag ladle 12, and the stepped exhaust groove 14 can prevent the aluminum liquid from flowing outwards.
As a specific embodiment, as shown in fig. 5-9, the upper layer exhaust slag ladle 9 and the lower layer exhaust slag ladle 11 are all three which are uniformly arranged along the edges of the corresponding molding mold cavity 23, wherein one of the middle parts of the lower layer exhaust slag ladle 11 is communicated with the second guide groove 15, one lower layer exhaust slag ladle 11 close to the rapid exhaust slag ladle groove 12 extends to the edge of the lower mold core 5 through the external exhaust groove 16, the rest lower layer exhaust slag ladle 11 is communicated through the communicating exhaust groove 21 positioned in the middle part of the lower mold core 5, two of the upper layer exhaust slag ladles 9 close to the rapid exhaust slag ladle groove 12 are respectively communicated with the corresponding first guide groove 13, the rest upper layer exhaust slag ladles 9 are also communicated with the communicating exhaust groove 21, the upper layer exhaust slag ladles 9 and the lower layer exhaust slag ladles 11 are all three, so that aluminum liquid can be uniformly guided and gas can be discharged, meanwhile, slag ladles between the two mold cavities are communicated through the communicating exhaust grooves 21, so that the flow velocity of the aluminum liquid flowing through the mold cavity can be effectively improved, the upper layer exhaust slag ladles can be also be concentrated through the upper layer exhaust slag ladle 11 through the vent grooves 16 by adopting the way, and the way of the exhaust gas can be fully communicated with the vent grooves through the upper layer exhaust grooves 16.
In some embodiments, as shown in fig. 7, each molding cavity 23 is connected to the main low-speed runner 17 through two auxiliary low-speed runners 18, the auxiliary low-speed runners 18 are provided with a flow-limiting protrusion 19 near the molding cavity 23, the auxiliary low-speed runners 18 can split the aluminum liquid in the main low-speed runner 17 and the aluminum liquid entering the molding cavity 23 is more uniform, the flow-limiting protrusion 19 can reduce the flow rate of the aluminum liquid entering the molding cavity 23, and the separation and cutting of the material handle and the product in the later runner are also facilitated. Meanwhile, in order to reduce the flow rate of the aluminum liquid in the runner, the cross sections of the main low-speed runner 17 and the auxiliary low-speed runner 18 are both U-shaped, which is favorable for reducing the flow rate of the aluminum liquid in the main low-speed runner 17 and the auxiliary low-speed runner 18, that is, the side walls and the bottom surfaces of the two sides of the main low-speed runner 17 and the auxiliary low-speed runner 18 are substantially vertical, and the structure has no speed-increasing resistance reducing effect on the aluminum liquid relative to the side walls of the high-speed die-casting mold runner in an inclined shape.
In some embodiments, in order to achieve better demolding, as shown in fig. 2, the quick exhaust groove 29 is communicated with the inner exhaust channel 25 through a first air passage 31 arranged vertically, the inner exhaust channel 25 is communicated with the outer exhaust channel 27 through a second air passage 32 arranged vertically, the first air passage 31 and the second air passage 32 are arranged in a staggered manner, the first air passage 31 corresponds to the ejector pins 26 in the lower die plate 2, the lower ends of the ejector pins 26 are connected with the top plate 28 positioned on the lower side of the lower die plate 2, and the ejector pins 26 can eject waste materials molded on the quick exhaust groove 29 together with products.
In order to facilitate the formation of the quick vent 29, as shown in fig. 6, the lower side of the upper mold insert is embedded with the upper vent block 24 at a position corresponding to the quick vent block 6, the upper vent block 24 is abutted with the quick vent block 6 to form the quick vent 29 during mold closing, the upper vent block 24 and the quick vent block 6 are also in detachable structures, and under the condition that the upper vent block 24 is not provided, the quick vent 29 can be formed by slotting on the lower end surface of the upper mold insert.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Claims (7)
1. The ultra-low speed die casting die of the impeller of the automobile air conditioner comprises an upper die plate (1) and a lower die plate (2), wherein an upper die core is embedded and installed at the lower side of the upper die plate (1), a lower die core (5) is embedded and installed at the upper side of the lower die plate (2), the ultra-low speed die casting die is characterized in that the upper die core and the lower die core (5) form two molding die cavities (23) which are arranged side by side, a first side of the lower die core (5) which is positioned at the two molding die cavities (23) is provided with a main low speed runner (17), the main low speed runner (17) is communicated with the two molding die cavities (23), a second side of the lower die core (5) which is positioned at the molding die cavity (23) is provided with a sliding groove (10), the sliding groove (10) is slidably provided with a sliding block (8) which is matched with the molding die cavity (23), the sliding block (8) is driven by a sliding block cylinder (4) at one side of the lower die plate (2), the bottom of the sliding block (8) is provided with a plurality of corresponding air exhaust layers (23) which are arranged between the bottom of the sliding block (23) and the sliding block (8) and the upper die cavity (9) which are communicated with the corresponding layers of the molding die cavities (23), the device is characterized in that a quick exhaust block (6) is arranged at the two ends of the lower die plate (2) close to a forming die cavity (23), a quick exhaust groove (29) is formed in the upper side of the quick exhaust block (6), an inner exhaust channel (25) communicated with the quick exhaust groove (29) is transversely formed in the quick exhaust block (6), an outer exhaust channel (27) communicated with the inner exhaust channel (25) is vertically formed in the lower die plate (2), a plugging core pulling core (7) is transversely arranged in the inner exhaust channel (25), the plugging core pulling core (7) moves under the driving of a plugging oil cylinder (3) and cuts off the communication between the quick exhaust groove (29) and the inner exhaust channel (25), a quick exhaust slag ladle groove (12) is formed in the position, located between the forming die cavity (23) and the quick exhaust groove (29), and the quick exhaust slag ladle (12) is communicated with the quick exhaust groove (29) to at least one slag ladle layer (11) on the same side as the quick exhaust ladle and at least one slag ladle (12) on the lower side of the slag ladle layer (9; quick exhaust groove (29) be linked together with interior exhaust passage (25) through first air flue (31) of vertical setting, interior exhaust passage (25) be linked together with outer exhaust passage (27) through second air flue (32) of vertical setting, first air flue (31) be dislocation set with second air flue (32), first air flue (31) correspond with thimble (26) of lower bolster (2) inside, the lower extreme of thimble (26) link to each other with roof (28) that are located lower bolster (2) downside.
2. The ultra-low speed die casting die for an automotive air conditioner compressor wheel according to claim 1, wherein: the rapid exhaust slag ladle groove (12) is provided with two first guide grooves (13) communicated with the upper exhaust slag ladle (9) side by side towards one side of the molding die cavity (23), and a second guide groove (15) communicated with the lower exhaust slag ladle (11) is arranged between the two first guide grooves (13).
3. The ultra-low speed die casting die for an automotive air conditioner compressor wheel according to claim 2, wherein: the side part of the rapid slag ladle groove (12) is also provided with a step-shaped air discharge groove (14) extending to the edge of the lower die core (5).
4. The ultra-low speed die casting die for an automotive air conditioner compressor wheel according to claim 3, wherein: the upper layer exhaust slag ladle (9) and the lower layer exhaust slag ladle (11) are three evenly arranged along the edge of the corresponding molding die cavity (23), one of the lower layer exhaust slag ladles (11) located in the middle is communicated with the second guide groove (15), one lower layer exhaust slag ladle (11) close to the rapid exhaust slag ladle groove (12) extends to the edge of the lower die core (5) through the external exhaust groove (16), the rest lower layer exhaust slag ladles (11) are communicated through the communicating exhaust groove (21) located in the middle of the lower die core (5), two of the upper layer exhaust slag ladles (9) close to the rapid exhaust slag ladle groove (12) are respectively communicated with the corresponding first guide groove (13), and the rest upper layer exhaust slag ladles (9) are also communicated with the communicating exhaust groove (21).
5. The ultra-low speed die casting die for an automotive air conditioner compressor wheel according to claim 1, wherein: each molding die cavity (23) is communicated with the main low-speed runner (17) through two auxiliary low-speed runners (18), and a flow limiting boss (19) is arranged at a position, close to the molding die cavity (23), of the auxiliary low-speed runner (18).
6. The ultra-low speed die casting die for an automotive air conditioner compressor wheel according to claim 5, wherein: the sections of the main low-speed runner (17) and the auxiliary low-speed runner (18) are U-shaped.
7. The ultra-low speed die casting die for an automotive air conditioner compressor wheel according to claim 1, wherein: the upper air exhausting block (24) is embedded in the position, corresponding to the quick air exhausting block (6), of the lower side of the upper die core, and the upper air exhausting block (24) is in butt joint with the quick air exhausting block (6) to form a quick air exhausting groove (29) during die assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311361662.7A CN117123757B (en) | 2023-10-20 | 2023-10-20 | Ultralow-speed die casting die for automobile air conditioner compressor impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311361662.7A CN117123757B (en) | 2023-10-20 | 2023-10-20 | Ultralow-speed die casting die for automobile air conditioner compressor impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117123757A CN117123757A (en) | 2023-11-28 |
| CN117123757B true CN117123757B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311361662.7A Active CN117123757B (en) | 2023-10-20 | 2023-10-20 | Ultralow-speed die casting die for automobile air conditioner compressor impeller |
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| CN210412475U (en) * | 2019-08-02 | 2020-04-28 | 宁波孚士威机械有限公司 | Forming die of automobile air conditioner compressor shell |
| CN115464117A (en) * | 2022-08-29 | 2022-12-13 | 诸暨市海禾金属制品有限公司 | Vortex plate extrusion die-casting die |
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| WO2007086479A1 (en) * | 2006-01-26 | 2007-08-02 | Daikin Industries, Ltd. | Method for manufacturing sliding component of compressor and compressor |
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| CA2561891A1 (en) * | 2005-02-07 | 2006-08-10 | Honda Motor Co., Ltd. | Die casting mold and improved vent structure used therein |
| CN101375055A (en) * | 2006-01-26 | 2009-02-25 | 大金工业株式会社 | Method for manufacturing sliding component of compressor and compressor |
| WO2014064876A1 (en) * | 2012-10-26 | 2014-05-01 | 株式会社Uacj | Al ALLOY CAST IMPELLER FOR COMPRESSOR AND PROCESS FOR PRODUCING SAME |
| CN107345574A (en) * | 2017-07-31 | 2017-11-14 | 上海皮尔博格有色零部件有限公司 | A kind of die cavity gas extraction system of die casting |
| CN207325904U (en) * | 2017-08-07 | 2018-05-08 | 重庆瀚立机械制造有限公司 | A kind of automobile air-conditioning compressor cylinder bodies die casting |
| CN208303835U (en) * | 2018-05-15 | 2019-01-01 | 宁波北仑东恩精密机械有限公司 | A kind of die casting of car washing machine end cap |
| CN209811205U (en) * | 2019-03-19 | 2019-12-20 | 合肥熠辉轻合金科技有限公司 | Liquid forging die device of vortex disk blank for automobile air conditioner compressor |
| CN210412475U (en) * | 2019-08-02 | 2020-04-28 | 宁波孚士威机械有限公司 | Forming die of automobile air conditioner compressor shell |
| CN110576169A (en) * | 2019-10-25 | 2019-12-17 | 苏州丰硕模具有限公司 | automobile engine cylinder block die casting die |
| CN115464117A (en) * | 2022-08-29 | 2022-12-13 | 诸暨市海禾金属制品有限公司 | Vortex plate extrusion die-casting die |
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| CN117123757A (en) | 2023-11-28 |
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