CN113369458A - Die-casting die applied to die-casting machine - Google Patents
Die-casting die applied to die-casting machine Download PDFInfo
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- CN113369458A CN113369458A CN202110587462.8A CN202110587462A CN113369458A CN 113369458 A CN113369458 A CN 113369458A CN 202110587462 A CN202110587462 A CN 202110587462A CN 113369458 A CN113369458 A CN 113369458A
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- fixed
- die casting
- die
- rod
- mold
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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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/145—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with knives spaced axially and circumferentially on the periphery of a cylindrical rotor unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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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
- B22D17/2007—Methods or apparatus for cleaning or lubricating moulds
Abstract
The utility model relates to a be applied to die casting die of die casting machine, relate to die casting die's field, it includes the fixed die and with the movable mould of fixed die concatenation adaptation, movable mould keeps away from the lateral wall of fixed die and has seted up heavy platform, movable mould has seted up the injection port in the diapire of heavy platform, and movable mould is fixed with the runner cover in the injection port, movable mould is fixed with the mounting panel in the lateral wall of heavy platform is removable, the mounting panel slides and is provided with the drive ring with injection gun tip butt adaptation, movable mould has the go-between in the diapire butt of heavy platform, the go-between is fixed with a plurality of laminatings in the scraper of runner cover inner wall, the drive ring coaxial line is fixed with the spiral rod, the coaxial line is fixed with the transmission piece with spiral rod screw thread adaptation, the spiral rod is provided with and is used for scraping the mechanism of sweeping that hangs the aluminium caking. This application has the effect of being convenient for clear up the runner cover, can keep the internal perisporium roughness of runner cover, is favorable to keeping the laminating compactness between runner cover and the injection gun, reduces the phenomenon that the swift aluminium appears.
Description
Technical Field
The utility model relates to a die casting die's field especially relates to a die casting die who is applied to die casting machine.
Background
The die casting machine is a machine for pressure casting, injects molten metal liquid into a die under the action of pressure to cool and mold, and can obtain a solid metal casting after the die is opened. The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defects of the blank are eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state.
The existing Chinese patent with the patent application number of CN201610422261.1 provides an anti-gassing material pipe assembly of a die casting machine and an injection molding device, the anti-gassing material pipe assembly of the die casting machine comprises a material pipe and a sprue bush, and a filling port communicated with the interior of the material pipe is arranged on the side wall of the material pipe; the rear end of the sprue bush is in butt joint with the material pipe, an exhaust structure is arranged between the front end of the sprue bush and the injection port, and the exhaust structure and the injection port are located on the side wall of the same side.
The related art described above has the following disadvantages: after the injection of the aluminum soup is completed to the die through the injection gun, part of the aluminum soup is easily remained in the sprue bush, and the part of the metal liquid is easily attached to the sprue bush after being solidified into a caking.
Disclosure of Invention
In order to improve the problem of the inside caking of clearance sprue bush not convenient for, this application provides a die casting die who is applied to die casting machine.
The application provides a die casting die for die casting machine adopts following technical scheme:
a die-casting die applied to a die-casting machine comprises a fixed die and a movable die spliced and matched with the fixed die, wherein a sinking platform is arranged on the side wall, away from the fixed die, of the movable die, an injection port is formed in the bottom wall of the sinking platform of the movable die, and a sprue bush is fixed in the injection port of the movable die; move the mould in the removable mounting panel that is fixed with of lateral wall of heavy platform, the mounting panel slides and is provided with the drive ring with injection gun tip butt adaptation, move the mould in the diapire butt of heavy platform has the go-between, the go-between be fixed with a plurality of laminating in the scraper of runner cover inner wall, the drive ring coaxial line is fixed with the spiral rod, the go-between coaxial line be fixed with the transmission piece of spiral rod screw thread adaptation, the spiral rod is provided with and is used for sweeping the mechanism with what the aluminium caking hung out.
By adopting the technical scheme, when cleaning the caking in the sprue bush, the injection gun is driven to gradually approach the sprue bush by the self-contained oil cylinder or air cylinder of the die casting machine equipment until the injection gun is abutted to and pushes the driving ring, so that the driving ring and the spiral rod synchronously slide along the axial direction of the sprue bush and slide towards the sprue bush, and the aluminum caking attached to the inner peripheral wall of the sprue bush is continuously cut until the driving ring reaches the motion limit through the spiral matching between the spiral rod and the driving block, so that the aluminum caking can be separated from the inner wall of the sprue bush because the sink table limits the translation of the connecting ring, the driving ring and the spiral rod are driven to be far away from the fixed die after the injection gun is far away from the fixed die, and the aluminum caking dropped in the sprue bush is pushed out of the sprue bush by the scraping and sweeping mechanism, thus the cleaning of the interior of the sprue bush can be completed, need not the manual work and clear up the inside of sprue bush, reduce the impaired risk of sprue bush internal perisporium to this effect of realizing being convenient for clear up the sprue bush can keep the internal perisporium roughness of sprue bush, is favorable to keeping the laminating compactness between sprue bush and the injection gun, reduces the phenomenon that the swift aluminium appears, and make full use of die casting machine injection apparatus's power drive clearance process.
Optionally, scrape sweep the structure and include movable rod and a plurality of articulate in the articulated blade of movable rod tip, the spiral pole cavity sets up, just the movable rod wears to locate the inside of spiral pole, the movable rod is kept away from the end fixing of fixed mould has the butt dish, the movable rod with be provided with between the spiral pole and be used for ordering about the first elastic component that articulated blade expanded.
By adopting the technical scheme, when the sprue bush is cleaned, the injection gun is abutted against the abutting disc and drives the driving ring and the movable rod to synchronously move towards the fixed mold, meanwhile, the end part of the movable rod close to the mounting plate completely enters the spiral rod, the first elastic part is in a stretching state, and the side walls of the hinged blades are attached to the spiral rod after contacting with an aluminum caking, so that the hinged blades jointly form a sharp drill shape, the crushing of massive aluminum caking is facilitated, and a scraper can conveniently enter the sprue bush; accomplish the clearance back, first spring begins the retraction and drives articulated blade expansion through elastic force, and the aluminium caking that the in-process articulated blade that leaves the runner cover at spiral pole and movable rod gradually scrapes out the runner cover with the aluminium caking that drops to this realization is driven out the purpose of aluminium caking, is favorable to reducing the aluminium caking of piling up in the runner cover to further promote the clearance effect of runner cover.
Optionally, the first elastic element includes a first spring sleeved on the movable rod, one end of the first spring is connected to the end portion of the movable rod far away from the mounting plate, and the other end of the first spring is connected to the end portion of the spiral rod far away from the mounting plate.
By adopting the technical scheme, when the sprue bush is cleaned, the injection gun drives the driving ring and the movable rod to synchronously move towards the fixed die, meanwhile, the end part of the movable rod close to the mounting plate completely enters the spiral rod, the first spring is in a stretching state, and the side walls of the hinged blades are attached to the spiral rod after contacting with the aluminum caking, so that the hinged blades jointly form a sharp drill shape, the crushing of large aluminum caking is facilitated, and the scraper can conveniently enter the sprue bush; accomplish the clearance back, first spring begins the retraction and drives articulated blade through elastic force and expand, and the aluminium caking that will drop at the articulated blade of in-process that the spiral pole and movable rod leave the runner cover gradually scrapes out the runner cover to this realization is clear away out the purpose of aluminium caking, is favorable to reducing the aluminium caking of piling up in the runner cover, and further promotes the clearance effect of runner cover, and need not artifical articulated blade that expandes, further simplifies the operating procedure of clearance.
Optionally, the side wall of the hinged blade is provided with a hinged block in a sliding manner, the hinged block is hinged with a limiting rod, and the other end of the limiting rod is hinged to the end part of the spiral rod far away from the mounting plate.
By adopting the technical scheme, when the movable rod moves towards the fixed die, the end part of the movable rod, which is far away from the mounting plate, is gradually far away from the spiral rod, the two ends of the limiting rod swing, and the angle between the hinged blades and the spiral rod is limited, so that the hinged blades are stably folded, and the hinged blades can effectively crush aluminum agglomerates; after the cleaning is completed, the first spring drives the hinged blade to unfold through elastic force, and the limiting rod continues to limit the angle between the hinged blade and the spiral rod, so that the hinged blade is stably unfolded, and further, the aluminum agglomeration in the sprue bush is stably removed.
Optionally, a plurality of crushing knives are fixed to the side wall of the hinged blade.
Through adopting above-mentioned technical scheme, the bold aluminium caking can be broken better to broken sword at the in-process that the movable rod is close to the stationary mould.
Optionally, the mounting plate is provided with a sliding groove, a sliding block which is matched with the sliding groove in a sliding manner is fixed on the outer peripheral wall of the driving ring, and a second elastic piece which is used for driving the driving ring to be away from the fixed die is arranged between the mounting plate and the sliding block.
By adopting the technical scheme, when the sprue bush is cleaned, the sliding block slides along the length direction of the sliding groove, the driving ring is enabled to be stably close to the sprue bush, and the second elastic piece is compressed or stretched; after cleaning is finished, the injection gun cancels the abutting force applied to the driving ring, the second elastic piece begins to retract or rebound, meanwhile, the second elastic piece drives the sliding block to slide along the sliding groove in the direction away from the fixed die through elastic force, and drives the driving ring, the spiral rod, the connecting ring and the scraping and sweeping mechanism to synchronously and stably slide in the direction away from the fixed die, manual taking out of the driving ring, the spiral rod, the connecting ring and the scraping and sweeping mechanism is not needed, and the cleaning operation steps are further simplified.
Optionally, the mounting panel in the spout internal fixation has a guide bar, the length direction of guide bar is on a parallel with the length direction of spout, just the guide bar wears to locate in the slider.
Through adopting above-mentioned technical scheme, the guide bar further limits the slip direction of slider, is favorable to promoting the slip stability of drive ring.
Optionally, the second elastic element includes a second spring sleeved on the outer peripheral wall of the guide rod, and one end of the second spring is connected to the side wall of the sliding block and the other end of the second spring is connected to the inner wall of the sliding groove.
By adopting the technical scheme, when the sprue bush is cleaned, the sliding block slides along the length direction of the sliding groove, the driving ring is enabled to be stably close to the sprue bush, and the second spring is compressed or stretched; after cleaning is finished, the injection gun cancels the abutting force applied to the driving ring, the second spring starts to retract or rebound, meanwhile, the second spring drives the sliding block to slide along the sliding groove in the direction away from the fixed die through elastic force, and drives the driving ring, the spiral rod, the connecting ring and the scraping and sweeping mechanism to synchronously and stably slide in the direction away from the fixed die, manual taking out of the driving ring, the spiral rod, the connecting ring and the scraping and sweeping mechanism is not needed, and the cleaning operation steps are further simplified.
Optionally, the movable mold is provided with a guide groove on the inner peripheral wall of the sinking platform, and the guide groove is used for guiding the butt joint between the injection molding gun and the sprue bush.
Through adopting above-mentioned technical scheme, when injection aluminium hot water, the guide way can guide injection gun and sprue bush accurate butt joint, can promote the tightness of being connected of injection gun and sprue bush, and then reduce the emergence of swift aluminium.
Optionally, the die is detachably fixed with two reinforcing backing plates for increasing the strength of the inner wall of the guide groove at the guide groove.
Through adopting above-mentioned technical scheme, strengthen the backing plate and can strengthen the intensity of guide way inside wall, reduce the risk that the inside wall of guide way is heated and is out of shape, be favorable to reducing the frequency that the swift aluminium takes place.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving ring and the spiral rod are driven to gradually approach the fixed die by the driving force of the injection gun approaching the sprue bush, and the connecting ring and the scraper are continuously rotated by the spiral matching between the spiral rod and the driving block, so that the aluminum caking can be separated from the inner wall of the sprue bush;
2. the distance between the end part of the movable rod and the end part of the spiral rod is changed by the driving force of the injection gun close to the sprue bush, the plurality of hinged blades are folded under the limiting action of the hinged block and the limiting block to form a drill bit shape, massive aluminum caking can be favorably crushed, when the injection gun is far away from the fixed die, the plurality of hinged blades are driven by the first spring to be unfolded, the dropped aluminum caking can be scraped out of the sprue bush, the purpose of removing the aluminum caking is realized, and the aluminum caking accumulated in the sprue bush can be favorably reduced;
3. the second spring can drive the driving ring, the spiral rod, the connecting ring and the scraping mechanism to synchronously and stably slide towards the direction far away from the fixed die through elastic force, the driving ring, the spiral rod, the connecting ring and the scraping mechanism do not need to be taken out manually, and the operation steps of cleaning are further simplified.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an exploded view of the movable mold, mounting plate, drive ring, connecting ring, sweeping mechanism and reinforcing shim plate of the present embodiment;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged schematic view of portion B of FIG. 2;
FIG. 5 is an enlarged schematic view of portion C of FIG. 3;
fig. 6 is a schematic sectional view taken along line D-D in fig. 1.
Reference numerals: 1. fixing a mold; 2. moving the mold; 21. sinking a platform; 22. an injection port; 221. a sprue bush; 23. a guide groove; 24. inserting grooves; 25. a movable groove; 251. a sloping block; 252. a third spring; 3. mounting a plate; 31. a fixed part; 32. a connecting portion; 33. a guide rail portion; 331. a chute; 332. a guide bar; 3321. a second spring; 4. a drive ring; 41. a helical rod; 42. a slider; 43. a first connecting rod; 5. a connecting ring; 51. a scraper; 511. reinforcing the circle; 52. a transmission block; 53. a second connecting rod; 6. a sweeping mechanism; 61. a movable rod; 611. a first spring; 612. a butting tray; 613. a hinged disk; 6131. a hinged lever; 62. a hinged leaf; 621. a hinged block; 6211. a limiting rod; 622. a crushing knife; 623. a T-shaped groove; 7. reinforcing the base plate; 71. and (6) plugging the blocks.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses die casting die applied to die casting machine. Referring to fig. 1 and 2, the die casting mold applied to the die casting machine includes a fixed mold 1 and a movable mold 2 adapted to the fixed mold 1 in a splicing manner, a sinking platform 21 is disposed on a side wall of the movable mold 2 far away from the fixed mold 1, an injection port 22 (refer to fig. 3) is disposed on a bottom wall of the sinking platform 21 of the movable mold 2, a cylindrical sprue bush 221 is fixed in the injection port 22 of the movable mold 2, and the sprue bush 221 is in interference fit with an inner peripheral wall of the injection port 22. In the preparation process of the aluminum ingot, the aluminum soup is injected from the injection port 22 through the injection gun, and is guided to the cavity between the fixed mold 1 and the movable mold 2 by the sprue bush 221.
Referring to fig. 3 and 4, two mounting plates 3 are detachably fixed to the side wall of the movable mold 2 on the sinking platform 21, and the two mounting plates 3 are respectively located at two sides of the injection port 22. The mounting plate 3 includes a fixing portion 31, a connecting portion 32, and a rail portion 33. The fixing portion 31 is fixed to the inner wall of the sinking platform 21 by bolts, and both ends of the connecting portion 32 are welded to the fixing portion 31 and the rail portion 33, respectively. The guide rail part 33 of the mounting plate 3 is slidably provided with a driving ring 4 which is in butt fit with the end part of the injection gun, the driving ring 4 is coaxially arranged with the sprue bush 221, and the outer diameter dimension of the driving ring 4 is not less than the inner diameter dimension of the injection gun muzzle. The guide rail portion 33 of the mounting plate 3 is opened with a slide groove 331 (see fig. 5), the longitudinal direction of the slide groove 331 is parallel to the axial direction of the sprue bush 221, and both ends of the slide groove 331 in the longitudinal direction are closed. A slide block 42 (refer to fig. 5) which is in sliding fit with the sliding groove 331 is fixed on the outer peripheral wall of the drive ring 4, and the slide block 42 slides along the length direction of the sliding groove 331, so that the sliding direction of the drive ring 4 is limited to be the axial direction of the sprue bush 221. In order to improve the sliding stability of the driving ring 4, a guide rod 332 (see fig. 5) is fixed in the sliding slot 331 of the mounting plate 3, the longitudinal direction of the guide rod 332 is parallel to the longitudinal direction of the sliding slot 331, and the guide rod 332 is inserted into the slider 42.
Referring to fig. 2 and 3, the movable mold 2 has a connecting ring 5 in contact with the bottom wall of the sink table 21, the connecting ring 5 is disposed coaxially with the sprue bush 221, and the outer diameter of the connecting ring 5 is larger than the outer diameter of the sprue bush 221. The connecting ring 5 is fixed with a plurality of scrapers 51 attached to the inner wall of the sprue bush 221, and the end parts of the scrapers 51 far away from the connecting ring 5 are welded with reinforcing circles 511 attached to the inner peripheral wall of the sprue bush 221, so that the strength of the scrapers 51 can be increased by the reinforcing rings. The driving ring 4 is coaxially fixed with a spiral rod 41 through a first connecting rod 43, the spiral rod 41 is arranged in a hollow manner, the spiral rod 41 is coaxially arranged with the sprue bush 221, the connecting ring 5 is coaxially fixed with a driving block 52 which is in threaded fit with the spiral rod 41 through a second connecting rod 53, and the spiral rod 41 is provided with a scraping and sweeping mechanism 6 (refer to fig. 5) for hanging out the aluminum agglomeration.
When cleaning the lumps in the sprue bush 221, the oil cylinder or the air cylinder of the die casting machine drives the injection gun to gradually approach the sprue bush 221 until the injection gun abuts against and pushes the driving ring 4, the slide block 42 slides along the length direction of the slide groove 331, the driving ring 4 and the spiral rod 41 synchronously slide along the axial direction of the sprue bush 221 and slide towards the sprue bush 221 under the assistance of the guide rod 332, and through the spiral fit between the spiral rod 41 and the driving block 52, the connecting ring 5 and the scraper 51 continuously rotate around the axis of the sprue bush 221 due to the horizontal movement limited by the sinking platform 21, and continuously cut the aluminum lumps attached to the inner peripheral wall of the sprue bush 221 until the driving ring 4 reaches the movement limit, so that the aluminum lumps can be separated from the inner wall of the sprue bush 221, and after the injection gun is far away from the fixed die 1, the driving ring 4 and the spiral rod 41 are driven to be far away from the fixed die 1, and push away runner cover 221 through scraping the inside aluminium caking that drops of mechanism 6 with runner cover 221, can accomplish the clearance to the inside of runner cover 221, need not the manual work and clear up the inside of runner cover 221, reduce the impaired risk of runner cover 221 internal perisporium, with this effect of realizing being convenient for clear up runner cover 221, can keep the internal perisporium roughness of runner cover 221, be favorable to keeping the laminating compactness between runner cover 221 and the injection gun, reduce the phenomenon that the bible aluminium appears, and make full use of die casting machine injection apparatus's power drive clearance process.
Referring to fig. 4 and 5, the sweeping structure includes a movable rod 61 and a plurality of hinge blades 62 hinged to an end of the movable rod 61, and the movable rod 61 is inserted into the inside of the spiral rod 41 and is coaxially arranged with the spiral rod 41. When the injection gun does not start working, two ends of the movable rod 61 protrude out of the spiral rod 41, a contact disc 612 is fixed at the end of the movable rod 61 far away from the fixed die 1, the side wall of the contact disc 612 close to the fixed die 1 is in contact fit with the driving ring 4, and the side wall of the contact disc 612 far away from the fixed die 1 is in contact fit with the muzzle of the injection gun. A hinge plate 613 is fixed at the end of the movable rod 61 close to the fixed mold 1, and a hinge rod 6131 is hinged between the inner side wall of each hinge blade 62 and the edge of the hinge plate 613. The adjacent hinged blades 62 are partially overlapped when folded, and a plurality of crushing blades 622 are fixed to the side walls of the hinged blades 62.
Referring to fig. 4 and 5, in order to limit the rotation angle of the hinge blade 62, a hinge block 621 is slidably disposed on an inner side wall of the hinge blade 62, a T-shaped groove 623 is formed in the inner side wall of the hinge blade 62 along the length direction, two ends of the T-shaped groove 623 along the length direction are closed, and the hinge block 621 slidably moves along the length direction of the T-shaped groove 623. The hinged block 621 is hinged with a limit rod 6211, and the other end of the limit rod 6211 is hinged with the end part of the spiral rod 41 far away from the mounting plate 3.
Referring to fig. 4 and 5, in order to drive the hinge blade 62 to be unfolded automatically, a first elastic member for driving the hinge blade 62 to be unfolded is disposed between the movable rod 61 and the spiral rod 41. The first elastic member includes a first spring 611 sleeved on the movable rod 61, one end of the first spring 611 is connected to the end of the movable rod 61 away from the mounting plate 3, and the other end is connected to the end of the spiral rod 41 away from the mounting plate 3.
When the sprue bush 221 is cleaned, the injection gun abuts against the abutting disc 612, meanwhile, the end part of the movable rod 61 close to the mounting plate 3 gradually enters the spiral rod 41, the end part of the movable rod 61 far from the mounting plate 3 gradually leaves away from the spiral rod 41, the first spring 611 is in a stretching state, the side walls of the hinged blades 62 are attached to the spiral rod 41 after contacting aluminum lumps, meanwhile, the two ends of the limit rod 6211 swing, and the angle between the hinge blade 62 and the spiral rod 41 is limited, the hinged blades 62 are stably folded until the abutting disc 612 abuts against the driving ring 4, and then the driving ring 4 and the movable rod 61 are driven to synchronously move towards the fixed die 1, so that the hinged blades 62 can crush massive aluminum agglomerates in the advancing process, and the crushing knife 622 can better crush massive aluminum agglomerates in the process that the movable rod 61 approaches the fixed die 1, so that the scraper 51 can conveniently enter the sprue bush 221; after finishing the clearance, first spring 611 begins to contract and drives articulated blade 62 through the elastic force and expand, gag lever post 6211 continues to restrict the angle between articulated blade 62 and the helical rod 41, make articulated blade 62 expand steadily, articulated blade 62 will drop the aluminium caking of scraping out runner cover 221 at helical rod 41 and the in-process that movable rod 61 leaves runner cover 221 gradually, with this realization the mesh of clearing out the aluminium caking, be favorable to reducing the aluminium caking of piling up in runner cover 221, and further promote the clearance effect of runner cover 221, and need not artifical articulated blade 62 that expands, the operating procedure of further simplifying the clearance.
Referring to fig. 4 and 5, in order to drive the driving ring 4 and the sweeping mechanism 6 to automatically move away from the fixed mold 1, a second elastic member for driving the driving ring 4 to move away from the fixed mold 1 is disposed between the mounting plate 3 and the slider 42, the second elastic member includes a second spring 3321 sleeved on the outer circumferential wall of the guiding rod 332, one or two of the second springs 3321 may be disposed, in this embodiment, two of the second springs 3321 are disposed, and the two second springs 3321 are respectively sleeved on two ends of the guiding rod 332, and the two second springs 3321 may provide a larger driving force. One end of the second spring 3321 is connected to the side wall of the slider 42 and the other end is connected to the inner wall of the sliding groove 331.
When the sprue bush 221 is cleaned, the slide block 42 slides in the lengthwise direction of the slide groove 331 and causes the drive ring 4 to be stably brought close to the sprue bush 221 while compressing or stretching the two second springs 3321; after the cleaning is finished, the injection gun cancels the abutting force applied to the driving ring 4, the two second springs 3321 begin to retract or rebound respectively, and simultaneously the two second springs 3321 drive the sliding block 42 to slide along the sliding groove 331 towards the direction away from the fixed mold 1 through the elastic force, and drive the driving ring 4, the spiral rod 41, the connecting ring 5 and the scraping and sweeping mechanism 6 to synchronously and stably slide towards the direction away from the fixed mold 1, so that the driving ring 4, the spiral rod 41, the connecting ring 5 and the scraping and sweeping mechanism 6 do not need to be taken out manually, and the cleaning operation steps are further simplified.
Referring to fig. 1 and 6, in order to align the injection gun with the sprue bush 221, the movable mold 2 is provided with a guide groove 23 on an inner peripheral wall of the sinking platform 21, and the guide groove 23 is used for guiding the butt joint between the injection gun and the sprue bush 221. In order to strengthen the strength of the inner wall of the guide groove 23, two reinforcing backing plates 7 for increasing the strength of the inner wall of the guide groove 23 are detachably fixed on the die at the guide groove 23, and the reinforcing backing plates 7 and the die are fixed through bolts.
And the two opposite sides of the guide groove 23 are symmetrically provided with inserting grooves 24, the notches of the two inserting grooves 24 are arranged oppositely, and the two inserting grooves 24 are respectively positioned at the two sides of the sprue bush 221. The side wall of the reinforcing backing plate 7 is welded with an inserting block 71 which is inserted and matched with the inserting groove 24. The movable mold 2 is provided with a movable groove 25 on the side wall of the insertion groove 24 far away from the sprue bush 221, the notch of the movable groove 25 faces the inner cavity of the insertion groove 24, the movable mold 2 is connected with an inclined block 251 in the movable groove 25 in a sliding manner, a third spring 252 is arranged in the movable groove 25, one end of the third spring 252 is connected to the bottom wall of the movable groove 25, and the other end of the third spring 252 is connected to the side wall of the inclined block 251 close to the bottom wall of the movable groove 25.
When the aluminum soup is injected, the guide groove 23 can guide the injection gun to be accurately butted with the sprue bush 221, so that the connection tightness of the injection gun and the sprue bush 221 can be improved, and the occurrence of Biaotiao is reduced. The strength of the inner side wall of the guide groove 23 can be enhanced by the reinforcing backing plate 7, the reinforcing of the inner side wall of the guide groove 23 by the reinforcing backing plate 7 is further improved by the third spring 252 and the inclined block 251, the risk of thermal deformation of the inner side wall of the guide groove 23 is reduced, and the occurrence frequency of Biao aluminum is reduced.
The embodiment of the application relates to a die casting die applied to a die casting machine, which is characterized in that: when cleaning the lumps in the sprue bush 221, an oil cylinder or an air cylinder of the die casting machine drives the injection gun to abut against the abutting disc 612, meanwhile, the end of the movable rod 61 close to the mounting plate 3 gradually enters the spiral rod 41, the end of the movable rod 61 far from the mounting plate 3 gradually leaves away from the spiral rod 41, the first spring 611 is in a stretching state, the side walls of the hinged blades 62 are abutted against the spiral rod 41 after contacting the aluminum lumps, simultaneously, the two ends of the limiting rod 6211 swing and limit the angle between the hinged blades 62 and the spiral rod 41, so that the hinged blades 62 are stably folded until the abutting disc 612 abuts against the driving ring 4, as the slide block 42 slides along the length direction of the sliding groove 331, the driving ring 4 and the spiral rod 41 stably and synchronously slide along the axial direction of the sprue bush 221 and towards the fixed die 1, and the two second springs 3321 are in a stretching state and a compressing state respectively, the plurality of hinged blades 62 crush large aluminum lumps in the advancing process, the crushing cutter 622 and the scraper 51 can crush the large aluminum lumps better in the advancing process so that the scraper 51 can enter the sprue bush 221 conveniently, and meanwhile, due to the spiral fit between the spiral rod 41 and the transmission block 52 and the limitation of the translation of the connecting ring 5 by the sinking platform 21, the connecting ring 5 and the scraper 51 continuously rotate around the axis of the sprue bush 221 and continuously cut the aluminum lumps attached to the inner peripheral wall of the sprue bush 221 until the driving ring 4 reaches the movement limit, so that the aluminum lumps can be separated from the inner wall of the sprue bush 221;
after the injection gun is far away from the fixed mold 1, the two second springs 3321 begin to rebound or retract, the driving ring 4 and the spiral rod 41 are driven to be gradually far away from the fixed mold 1 by elastic force, and the first spring 611 begins to retract, so that the distance between the end part of the movable rod 61 far away from the mounting plate 3 and the end part of the spiral rod 41 far away from the mounting plate 3 is restored, the limiting rod 6211 continues to limit the angle between the hinged blade 62 and the spiral rod 41, the hinged blade 62 is stably unfolded, and further the aluminum cakes falling inside the sprue bush 221 are stably pushed out of the sprue bush 221, the cleaning of the inside of the sprue bush 221 can be completed, the inside of the sprue bush 221 does not need to be manually cleaned, the risk of damaging the inner peripheral wall of the sprue bush 221 is reduced, the effect of cleaning the sprue bush 221 is achieved, the flatness of the inner peripheral wall of the sprue bush 221 can be maintained, and the close fit between the sprue bush 221 and the injection gun can be maintained, reduce the phenomenon of occurrence of Biaoai, and make full use of the power of the injection device of the die casting machine to drive the cleaning process.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a be applied to die casting die of die casting machine which characterized in that: the injection mold comprises a fixed mold (1) and a movable mold (2) spliced and matched with the fixed mold (1), wherein a sinking platform (21) is arranged on the side wall, far away from the fixed mold (1), of the movable mold (2), an injection port (22) is arranged on the bottom wall of the sinking platform (21) of the movable mold (2), and a sprue bush (221) is fixed in the injection port (22) of the movable mold (2);
move mould (2) in the lateral wall of heavy platform (21) is removable to be fixed with mounting panel (3), mounting panel (3) slide be provided with drive ring (4) of injection gun tip butt adaptation, move mould (2) in the diapire butt joint of heavy platform (21) has go-between (5), go-between (5) be fixed with a plurality of laminating in scraper (51) of runner cover (221) inner wall, drive ring (4) coaxial line is fixed with spiral pole (41), go-between (5) coaxial line be fixed with transmission piece (52) of spiral pole (41) screw thread adaptation, spiral pole (41) are provided with and are used for sweeping mechanism (6) with scraping that the aluminium caking was hung out.
2. The die casting mold applied to the die casting machine according to claim 1, characterized in that: scrape and sweep the structure and include movable rod (61) and a plurality of articulate in articulated blade (62) of movable rod (61) tip, spiral pole (41) cavity sets up, just movable rod (61) wear to locate the inside of spiral pole (41), movable rod (61) are kept away from the end fixing of fixed mould (1) has butt joint dish (612), movable rod (61) with be provided with between spiral pole (41) and be used for ordering about the first elastic component that articulated blade (62) expand.
3. The die casting mold applied to the die casting machine according to claim 2, characterized in that: the first elastic piece comprises a first spring (611) sleeved on the movable rod (61), one end of the first spring (611) is connected to the end, away from the mounting plate (3), of the movable rod (61), and the other end of the first spring is connected to the end, away from the mounting plate (3), of the spiral rod (41).
4. The die casting mold applied to the die casting machine according to claim 2, characterized in that: the side wall of the hinged blade (62) is provided with a hinged block (621) in a sliding manner, the hinged block (621) is hinged with a limit rod (6211), and the other end of the limit rod (6211) is hinged to the end part, far away from the mounting plate (3), of the spiral rod (41).
5. The die casting mold applied to the die casting machine according to claim 2, characterized in that: a plurality of crushing knives (622) are fixed to the side wall of the hinged blade (62).
6. The die casting mold applied to the die casting machine according to claim 1, characterized in that: spout (331) have been seted up in mounting panel (3), the periphery wall of drive ring (4) be fixed with spout (331) slide slider (42) of adaptation that slides, mounting panel (3) with be provided with between slider (42) and be used for driving drive ring (4) are kept away from the second elastic component of stationary mould (1).
7. The die casting mold for die casting machine according to claim 6, wherein: the mounting panel (3) in spout (331) internal fixation has guide bar (332), the length direction of guide bar (332) is on a parallel with the length direction of spout (331), just guide bar (332) wear to locate in slider (42).
8. The die casting mold applied to the die casting machine according to claim 7, wherein: the second elastic piece comprises a second spring (3321) sleeved on the outer peripheral wall of the guide rod (332), and one end of the second spring (3321) is connected to the side wall of the sliding block (42) and the other end of the second spring is connected to the inner wall of the sliding groove (331).
9. The die casting mold applied to the die casting machine according to claim 1, characterized in that: the movable mould (2) is provided with a guide groove (23) on the inner peripheral wall of the sinking platform (21), and the guide groove (23) is used for guiding the butt joint between the injection molding gun and the sprue bush (221).
10. The die casting mold applied to the die casting machine according to claim 9, characterized in that: two reinforcing backing plates (7) used for increasing the strength of the inner wall of the guide groove (23) are detachably fixed on the guide groove (23) of the die.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110587462.8A CN113369458B (en) | 2021-05-27 | 2021-05-27 | Die-casting die applied to die-casting machine |
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| CN202110587462.8A CN113369458B (en) | 2021-05-27 | 2021-05-27 | Die-casting die applied to die-casting machine |
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| CN113369458B CN113369458B (en) | 2022-06-17 |
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| Publication number | Publication date |
|---|---|
| CN113369458B (en) | 2022-06-17 |
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