CN116408432A - Die casting die capable of rapidly ejecting die castings - Google Patents
Die casting die capable of rapidly ejecting die castings Download PDFInfo
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- CN116408432A CN116408432A CN202310685022.5A CN202310685022A CN116408432A CN 116408432 A CN116408432 A CN 116408432A CN 202310685022 A CN202310685022 A CN 202310685022A CN 116408432 A CN116408432 A CN 116408432A
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- 238000004512 die casting Methods 0.000 title claims abstract description 107
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 13
- 239000002184 metal Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention is suitable for the technical field of die casting production, and provides a die casting die capable of rapidly ejecting a die casting, which comprises a fixed die assembly and an inclined ejection mechanism, wherein the fixed die assembly comprises a fixed die plate and a fixed die seat plate for mounting the fixed die assembly, two ends of one side end surface of the fixed die plate are respectively provided with a support connected with the fixed die seat plate, the other side end surface of the fixed die plate is provided with a fixed die core, and the fixed die core is provided with an inclined ejection groove; the oblique ejection mechanism comprises a lower clamping plate and an upper clamping plate which are slidably arranged between the fixed die plate and the fixed die seat plate, an oblique ejector rod is arranged between the upper clamping plate and the fixed die plate, the other end of the oblique ejector rod obliquely stretches into the oblique ejection groove, and a material returning part matched with the cavity is arranged on the side wall of one end of the oblique ejector rod stretching into the oblique ejection groove; compared with the prior art, the die casting is ejected by adopting the inclined ejection mechanism, the inclined ejection rod is stably matched with the die casting through the material returning part, and the stability of the die casting is improved through the material returning part in the ejection process of the die casting.
Description
Technical Field
The invention belongs to the technical field of die casting production, and particularly relates to a die casting die capable of rapidly ejecting a die casting.
Background
The die casting die is a tool for completing a die casting process on a special die casting die forging machine and is special for casting metal parts. The die casting production process comprises the following steps: the quantitative molten metal is filled into the cavity of the die at a low speed or at a high speed, and is pressurized along with the cooling process of the molten metal, so that the shrinkage cavity shrinkage defect of the blank can be eliminated, the internal structure of the blank reaches the crushed grains in a forged state, and the comprehensive mechanical property of the workpiece is obviously improved.
In the prior art, in the process of carrying out die casting molding by a die casting mold, whether the die casting is ejected by adopting an upright ejector rod or an inclined ejector rod, in the ejection process, the ejector rod cannot stably eject the die casting, and the single ejector rod is ejected for the die casting at one time to actively release the die under the action of external force, the ejector rod is only arranged at a key node, the die casting cannot be covered, so that the uniformity and the completeness of the structures of the parts of the die casting cannot be ensured, and the ejector rod with multiple specifications is adopted for carrying out multiple ejections, so that multiple impact is caused on the die casting, and the structural performance of the die casting is reduced. Therefore, in order to solve the above problems, a die casting die for rapidly ejecting a die casting has been proposed.
Disclosure of Invention
The invention provides a die-casting die capable of rapidly ejecting a die-casting piece, and aims to solve the problems that in the prior art, the die-casting die cannot stably eject the die-casting piece, and the die-casting piece cannot be completely ejected and the ejection impact causes performance influence.
The invention is realized in that a die casting die for rapidly ejecting a die casting comprises:
the fixed die assembly comprises a fixed die plate and a fixed die seat plate for mounting the fixed die assembly, two ends of one side end face of the fixed die plate are respectively provided with a support connected with the fixed die seat plate, the other side end face of the fixed die plate is provided with a fixed die core, and the fixed die core is provided with an inclined ejection groove;
the oblique jacking mechanism comprises a lower clamping plate and an upper clamping plate which are slidably arranged between the fixed die plate and the fixed die seat plate, an oblique jacking rod is arranged between the upper clamping plate and the fixed die plate, one end of the oblique jacking rod, which is far away from the fixed die plate, is horizontally slidably arranged between the lower clamping plate and the upper clamping plate, the other end of the oblique jacking rod obliquely stretches into an oblique jacking groove, and a material returning part matched with a cavity at the outer side of the fixed die core is arranged on the side wall of one end of the oblique jacking rod, which stretches into the oblique jacking groove;
the auxiliary ejection mechanism comprises a guide cylinder and a guide rod penetrating into the guide cylinder, one end of the guide cylinder is connected with one side end face of the fixed die plate, close to the fixed die seat plate, one end of the guide rod, which extends into the guide cylinder, is connected with the fixed die core, a second elastic piece which elastically supports the guide rod is arranged in the guide cylinder, guide holes and sliding grooves which are distributed on the outer sides of the guide holes are formed in the end faces of the lower clamping plate and the upper clamping plate, annular positioning grooves are formed in the outer walls of one end, which extends into the guide holes, of the guide rod, clamping blocks are arranged in the sliding grooves in a sliding mode, one end of each clamping block is provided with a third elastic piece which is accommodated in each sliding groove, the other end, which extends into each guide hole, of each clamping block is provided with a U-shaped slot, and an unlocking guide table is arranged on the outer wall of the guide cylinder, and one end, which extends out of the guide cylinder, of each unlocking guide table is matched with each slot;
the telescopic piece is connected with the end face of one side, away from the fixed die plate, of the fixed die seat plate, and the telescopic piece is connected with and drives the inclined ejection mechanism.
Preferably, the terminal surface of lower plate and punch holder all is equipped with the mounting groove of holding oblique ejector pin tip, the guide way that sinks has all been seted up to the both sides of mounting groove, the both sides that the oblique ejector pin deviates from fixed die plate one end all articulate there is the slide, slide sliding accommodation is in the guide way.
Preferably, the inclined ejection mechanism further comprises a first elastic piece arranged in the guide groove, and the first elastic piece is used for elastically supporting the sliding seat.
Preferably, a chamfer is arranged at one end of the unlocking guide table extending out of the guide cylinder, and a corresponding matched chamfer is arranged at the end part of the unlocking guide table and the inner wall of the slot.
Preferably, the vacuum tube comprises a vacuum tube penetrating through the lower clamping plate and the upper clamping plate, and an outer guide tube sleeved outside the vacuum tube, one end of the vacuum tube is connected with the fixed die seat plate, one end of the outer guide tube, which is close to the fixed die seat plate, is connected with the upper clamping plate, a central groove is formed in the end face, which is close to one side of the movable die core, of the fixed die core, and the other ends of the vacuum tube and the outer guide tube extend into the central groove.
Preferably, the middle part of the fixed die seat plate is provided with an air port communicated with a negative pressure pipe, the side wall of one end of the negative pressure pipe, which is away from the fixed die seat plate, is provided with a communication hole connected with the air port, and when the fixed die core and the movable die core are matched to form a die cavity, the communication hole is sealed by the inner wall of the outer guide pipe.
Compared with the prior art, the invention has the beneficial effects that: according to the die casting die capable of rapidly ejecting the die casting, the inclined ejection mechanism is adopted to eject the die casting, the inclined ejection rod is stably matched with the die casting through the material returning part, and the stability of the die casting is improved through the material returning part in the ejection process of the die casting; the auxiliary ejection mechanism is used for connecting the fixed mold core and the upper clamping plate, the fixed mold core is guided and installed through the guide cylinder and the guide rod in a matched mode, the guide rod is provided with elastic force towards the fixed mold seat plate through the second elastic piece, tension force towards the fixed mold seat plate is further provided for the fixed mold core, the guide rod is locked through the clamping block and the positioning groove in a matched mode, the guide rod is driven to eject the fixed mold core through the clamping block in the process of ejecting the die casting through the inclined ejector rod, the die casting is further completely separated from the fixed mold plate, after the clamping block slides along with the lower clamping plate and the upper clamping plate for a certain distance, the end portion of the unlocking guide table stretches into the slot, the clamping block is driven to separate from the positioning groove, and then under the aligning effect of the second elastic piece, the fixed mold core is driven to separate from the ejected die casting and fall into the fixed mold plate to reset, so that the die casting is completely ejected and separated from the fixed mold core.
Drawings
Fig. 1 is a schematic perspective view of a die casting die of the present invention;
FIG. 2 is a schematic view of the unfolded structure of the stationary mold assembly;
FIG. 3 is a schematic view of an expanded configuration of the movable mold assembly;
fig. 4 is a schematic view showing a half-cut perspective structure of a die casting die according to the present invention at a first view angle;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;
FIG. 6 is a schematic view of the unfolding structure of the pitched roof mechanism;
FIG. 7 is a schematic perspective view of an oblique ejector rod;
fig. 8 is a schematic view showing a half-cut perspective of a second view of the die casting die of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8B;
FIG. 10 is a schematic view of an auxiliary ejection mechanism deployment;
FIG. 11 is an enlarged schematic view of FIG. 8 at C;
in the figure: 1. a stationary mold assembly; 11. a stationary mold plate; 12. a mold core is fixed; 13. an inclined top groove; 14. a support; 15. a fixed die seat plate; 16. a guide post; 17. an air port; 18. a central slot;
2. a movable mold assembly; 21. a movable template; 22. a movable mold core; 23. a movable die base plate; 24. a sprue bush;
3. an inclined ejection mechanism; 31. a lower clamping plate; 32. an upper clamping plate; 33. a mounting groove; 34. an inclined ejector rod; 35. a material returning part; 36. a guide groove; 37. a slide; 38. a first elastic member;
4. an auxiliary ejection mechanism; 41. a guide cylinder; 42. a guide rod; 43. a second elastic member; 44. a positioning groove; 45. a guide hole; 46. a chute; 47. a clamping block; 48. a third elastic member; 49. unlocking the guide table; 410. a slot;
5. a negative pressure assembly; 51. a negative pressure pipe; 52. an outer conduit; 53. a communication hole;
6. a telescoping member; 7. a positioning cylinder; 8. and positioning columns.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1-7, the present invention provides a technical solution: a die casting die for rapidly ejecting a die casting, comprising:
the fixed die assembly 1, the fixed die assembly 1 comprises a fixed die plate 11 and a fixed die seat plate 15 for installing the fixed die assembly 1, two ends of one side end surface of the fixed die plate 11 are respectively provided with a support 14 connected with the fixed die seat plate 15, the other side end surface of the fixed die plate 11 is provided with a fixed die core 12, the fixed die core 12 is provided with an inclined ejection groove 13, and the inclined ejection groove 13 is particularly distributed on the inner wall of a die cavity;
the movable die assembly 2, the movable die assembly 2 comprises a movable die plate 21 which is in sliding connection with a fixed die plate 11, one side end surface of the movable die plate 21 is provided with a movable die base plate 23, the other side end surface of the movable die plate 21 is provided with a movable die core 22 which is matched with a fixed die core 12 to form a die cavity, and specifically, the die cavity formed by the fixed die core 12 and the movable die core 22 in a matched manner is used for forming a concave product;
the inclined ejection mechanism 3, the inclined ejection mechanism 3 comprises a lower clamping plate 31 and an upper clamping plate 32 which are slidably arranged between the fixed die plate 11 and the fixed die seat plate 15, an inclined ejector rod 34 is arranged between the upper clamping plate 32 and the fixed die plate 11, specifically, the inclined ejector rod 34 has an inclination angle of 5-20 degrees, one end of the inclined ejector rod 34, which is far away from the fixed die plate 11, is horizontally slidably arranged between the lower clamping plate 31 and the upper clamping plate 32, the other end of the inclined ejector rod 34 obliquely stretches into the inclined ejector groove 13, a material returning part 35 matched with a cavity at the outer side of a fixed die core is arranged on the side wall of one end of the inclined ejector rod 34, specifically, the side wall of one end of the inclined ejector rod 34 stretching into the inclined ejector groove 13 is attached to the inner wall of the inner concave of the die casting, the material returning part 35 is a boss or a groove, a corresponding groove or boss is formed on the inner wall of the concave of the die casting, and the gradient of the outer wall of the material returning part 35 is 0-10 degrees;
the telescopic piece 6, the end face of one side of the telescopic piece 6, which is away from the fixed die plate 11, of the fixed die seat plate 15 is connected, the telescopic piece 6 is connected with and drives the inclined ejection mechanism 3, and specifically, the overhanging end of the telescopic piece 6 penetrates through the fixed die seat plate 15 and is connected with the lower clamping plate 31;
the die casting can be carried out in a cavity formed by the die closing of the fixed die core 12 and the movable die core 22 through the sprue bush 24, a protruding material is formed in the die casting cavity through the material returning part 35, the bottom end of the inclined ejector rod 34 is clamped and guided through the cooperation of the lower clamping plate 31 and the upper clamping plate 32, after the fixed die assembly 1 and the movable die assembly 2 are opened, the lower clamping plate 31 and the upper clamping plate 32 are driven to slide towards the fixed die plate 11 through the telescopic piece 6, meanwhile, the die casting is ejected through the inclined ejector rod 34, the material returning part 35 is gradually separated from the protruding material in the die casting cavity in the ejection process, and compared with the traditional die casting ejection, the stability in the die casting ejection process can be effectively ensured through the cooperation of the inclined ejector rod 34 and the material returning part 35.
Wherein, be connected with guide pillar 16 between fixed die plate 11 and the cover half bedplate 15, lower plate 31 and punch holder 32 and guide pillar 16 sliding connection, concretely, guide pillar 16 sets up a plurality ofly, and the adjacent one side terminal surface of fixed die plate 11 and cover half bedplate 15 is equipped with respectively with guide pillar 16 both ends complex counter bore, guide pillar 16 and lower plate 31 and punch holder 32 shaft hole cooperation, can lead the ejecting action of lower plate 31 and punch holder 32 through guide pillar 16.
Wherein, according to the position of die casting clout, wear to establish a plurality of clout ejector pins that are connected with lower plate 31 and punch holder 32 in fixed die plate 11, carry out ejecting to the clout along with the ejecting action of lower plate 31 and punch holder 32.
Wherein, the four corners of movable mould board 21 all sink into and install reference column 8, and specifically, the counter bore has been seted up at the four corners of movable mould board 21, and reference column 8 holding is in the counter bore, and the both ends of support 14 all are equipped with the positioning cylinder 7 that runs through fixed mould board 11, and reference column 8 cooperates with positioning cylinder 7 to fixed mould subassembly 1 and movable mould subassembly 2 compound die and die sinking in-process are led and are fixed a position through reference column 8 and positioning cylinder 7.
Further, the terminal surfaces of lower plate 31 and punch holder 32 all are equipped with the mounting groove 33 of holding inclined ejector pin 34 tip, the guide way 36 that sinks has all been seted up to the both sides of mounting groove 33, specifically, guide way 36 is seted up at the adjacent one side terminal surface of lower plate 31 and punch holder 32, the both sides that inclined ejector pin 34 deviates from fixed die plate 11 one end all articulate there is slide 37, specifically, the round pin post is worn to establish at the tip of inclined ejector pin 34, the both ends and the slide 37 shaft hole cooperation of round pin post, slide 37 sliding accommodation is in guide way 36, can carry out spacingly to the tip of inclined ejector pin 34 through mounting groove 33 to cooperate with slide 37 through guide way 36, further horizontal direction is and spacing to the one end that inclined ejector pin 34 deviates from fixed die plate 11, more be favorable to inclined ejector pin 34 to the die casting ejecting.
Further, the inclined ejection mechanism 3 further includes a first elastic member 38 disposed in the guide slot 36, the first elastic member 38 is configured to elastically support the slide seat 37, and in the process of obliquely moving up the inclined ejection rod 34, the slide seat 37 is further provided with a horizontal driving force by the first elastic member 38, so that the stability of the inclined ejection rod 34 on the ejection action of the die casting is effectively improved.
In the embodiment, after the fixed die assembly 1 and the movable die assembly 2 are matched for die assembly through the positioning column 8 and the positioning cylinder 7, a die cavity is formed by matching the fixed die core 12 and the movable die core 22, then molten metal is injected into the die cavity through the sprue bush 24 in a pressurizing manner, after the molten metal is cooled and is subjected to die casting molding, the fixed die assembly 1 and the movable die assembly 2 are opened, the lower clamping plate 31 and the upper clamping plate 32 are driven by the telescopic piece 6 to slide towards the fixed die plate 11 along the guide post 16, meanwhile, the die casting is ejected by the inclined ejector rod 34, and the material returning part 35 is gradually separated from a protruding material in the cavity of the die casting in the ejection process until the material returning part 35 is completely separated from the die casting;
in the ejection operation, the relationship between the ejection stroke of the inclined ejector rod 34 and the size of the material returning section 35 is:
wherein d is the maximum thickness or the maximum depth of the material returning part 35, alpha is the inclination angle of the inclined ejector rod 34, and h is the ejection stroke of the inclined ejector rod 34;
after the ejection stroke of the inclined ejector rod 34 reaches h, the ejection action is completed, and the die casting can be taken down.
Example 2
Referring to fig. 8-10, the difference is that, based on embodiment 1:
further, the auxiliary ejection mechanism 4 is further included, the auxiliary ejection mechanism 4 comprises a guide cylinder 41 and a guide rod 42 penetrating through the guide cylinder 41, the guide rod 42 is in a stepped shaft shape and is matched with an inner hole of the guide cylinder 41 in a shaft hole mode, one end of the guide cylinder 41 is connected with one side end face of the fixed die plate 11, which is close to the fixed die seat plate 15, one end of the guide rod 42 extending into the guide cylinder 41 is connected with the fixed die core 12, a second elastic piece 43 for elastically supporting the guide rod 42 is arranged in the guide cylinder 41, the second elastic piece 43 is a spring, two ends of the second elastic piece 43 are respectively positioned by the inner hole end face of the guide cylinder 41 and a shaft shoulder of the guide rod 42, the second elastic piece 43 applies elastic force to the guide rod 42 in the opposite direction of ejection action, namely, the guide cylinder 41 and the guide rod 42 are matched, the fixed die core 12 is installed in a guiding mode, meanwhile, elastic force towards the fixed die seat plate 15 is provided for the guide rod 42, further tension force towards the fixed die seat plate 15 is provided for the fixed die core 12, stability of the fixed die core 12 is guaranteed, in the ejection process of the inclined rod 34, the inclined rod 34 is slightly separated from the fixed die core 12 along with the inclined rod 13, and the inclined rod 12 can be ejected out of the fixed die core 12 along with the fixed die core 12, and the inclined rod 12 is completely along with the inclined rod 12.
Further, the end surfaces of the lower clamping plate 31 and the upper clamping plate 32 are provided with a guide hole 45 and a chute 46 distributed on the outer side of the guide hole 45, a circular positioning groove 44 is formed in the outer wall of one end of the guide rod 42 extending into the guide hole 45, a clamping block 47 is slidably mounted in the chute 46, a third elastic piece 48 accommodated in the chute 46 is arranged at one end of the clamping block 47, the other end of the clamping block 47 extends into the guide hole 45 to be matched with the positioning groove 44, the clamping block 47 can be guided and mounted through the chute 46, the third elastic piece 48 provides overhanging elastic force for the clamping block 47, the clamping block 47 is matched with the positioning groove 44 to lock the guide rod 42, the lower clamping plate 31 and the upper clamping plate 32 are synchronous with the guide rod 42, and therefore, when the lower clamping plate 31 and the upper clamping plate 32 slide towards the fixed die plate 11 to be ejected, the guide rod 42 is driven to eject the fixed die casting is ejected through the clamping block 47, and the die casting is completely separated from the fixed die plate 11.
Further, the clamping block 47 stretches into the slot 410 that the U type is link up is offered to one end of constant head tank 44, specifically, the U type opening of slot 410 cooperates with the guide arm 42 outer wall in the constant head tank 44, the outer wall of guide tube 41 is equipped with unblock guide table 49, the one end that unblock guide table 49 extends out of guide tube 41 is equipped with the chamfer and cooperates with slot 410, specifically, the one end that unblock guide table 49 deviates from fixed die plate 11 exceeds the port of guide tube 41, and after clamping block 47 slides a certain distance along with lower plate 31 and punch holder 32, the tip of unblock guide table 49 stretches into in slot 410, the tip of unblock guide table 49 and the inner wall of slot 410 all set up the chamfer that corresponds, thereby after unblock guide table 49 stretches into slot 410, promote clamping block 47 break away from constant head tank 44, and then under the return action of second elastic component 43, drive the die core 12 break away from ejecting die casting and fall into fixed die plate 11 and reset, thereby with the die casting is complete ejecting and breaking away from fixed die core 12.
In this embodiment, through the cooperation of the guide cylinder 41 and the guide rod 42, the second elastic member 43 provides the guide rod 42 with elastic force towards the fixed mold seat plate 15, so as to elastically press the fixed mold core 12 into the fixed mold seat plate 15, and the telescopic member 6 drives the lower clamping plate 31 and the upper clamping plate 32 to slide along the guide post 16 for ejection until complete ejection of the die casting is divided into three stages which are continuously performed, specifically as follows:
in the first stage, the ejection stroke is h 1 The end of the stroke is that the chamfer end face of the slot 410 at the end of the clamping block 47 is contacted with the chamfer end face at the end of the unlocking guide 49;
in the stroke, as the clamping blocks 47 lock the bottom ends of the guide rods 42, the guide rods 42 are driven by the clamping blocks 47 to push out the fixed mold cores 12 along with the action of the inclined ejector rods 34, so that the residue of the slag ladle of the die casting is completely separated from the fixed mold plate 11;
in the second stage, the ejection stroke h 2 The end of the travel is that the clamping block 47 is separated from the guide rod 42;
in the stroke, the end part of the unlocking guide table 49 stretches into the slot 410 to push the clamping block 47 to be separated from the positioning groove 44, so that the locking of the clamping block 47 to the guide rod 42 is released, and under the action of the second elastic piece 43, the guide rod 42 drives the fixed die core 12 to be separated from the ejected die casting and fall into the fixed die plate 11 to reset, so that the die casting is completely ejected and separated from the fixed die core 12;
in the third stage, the ejection stroke h 3 The stroke end is that the material returning part 35 is separated from the die casting;
in this stroke, after the clamping block 47 is unlocked from the guide rod 42, the inclined ejector rod 34 pushes the die casting, and the material returning part 35 is separated from the concave side wall of the die casting under the action of the inclination angle of the inclined ejector rod.
In the ejection process of the three continuous stages, the total ejection stroke H of the inclined ejector rod 34 is set as follows:
where d is the maximum thickness or depth of the material returning portion 35, α is the inclination angle of the inclined ejector rod 34, H is the total ejection stroke of the inclined ejector rod 34, H 1 、h 2 、h 3 The values of (1) are respectively that the inclined ejector rod 34 is atEjection strokes of the three continuous stages;
in the three continuous action stages, the die casting remainder is separated from the fixed die plate 11 under the action of the remainder ejector rod, and the die casting is passively separated from the fixed die core 12, so that the die casting can be rapidly demolded, the impact on the structure of the die casting caused by ejection impact is effectively avoided, the uniformity and stability of the structure of the die casting are ensured, and compared with the traditional die casting die, the ejection action is continuous, and the complete performance of the die casting, particularly the complete structural performance of the thin-wall part, can be effectively ensured.
Example 3
Referring to fig. 4, 8 and 11, the difference is that, based on embodiment 2:
further, still include negative pressure assembly 5, negative pressure assembly 5 includes the negative pressure pipe 51 that runs through lower plate 31 and punch holder 32 and the cover is established in the outer pipe 52 of negative pressure pipe 51 outside, concretely, the through-hole with negative pressure pipe 51 complex is seted up at the center of lower plate 31, and negative pressure pipe 51 and outer pipe 52 shaft hole complex, the one end and the cover half bedplate 15 of negative pressure pipe 51 are connected, the one end that the cover half bedplate 15 is close to outer pipe 52 is connected with punch holder 32, concretely, the one end that the cover half bedplate 15 is close to outer pipe 52 and punch holder 32 shaft hole complex, and the tip of outer pipe 52 is formed with the flange of cooperation centre gripping by lower plate 31 and punch holder 32, the centre tank 18 has been seted up to the terminal surface that the cover half core 12 is close to one side of movable mould core 22, concretely, the outer pipe 52 and cover half core 12 shaft hole complex, and the end that negative pressure pipe 51 stretches into the die cavity seals to the port of outer pipe 52, can pass through negative pressure pipe 51 and outer pipe 52 complex, during die casting ejection, outer pipe 52 is close to punch holder 31 and punch holder 16, it is close to guide post 16 to the inside the die casting 11 to form the steady, and then the negative pressure is formed in die casting along with lower plate 16 to die carrier 11.
Further, the air port 17 communicated with the negative pressure pipe 51 is formed in the middle of the fixed die seat plate 15, specifically, one end of the negative pressure pipe 51, deviating from the fixed die plate 11, is in threaded connection with the fixed die seat plate 15, an inner hole of the negative pressure pipe 51 is communicated with the air port 17, a communication hole 53 communicated with the air port 17 is formed in the side wall of one end of the negative pressure pipe 51, deviating from the fixed die seat plate 15, specifically, the negative pressure pipe 51 is a stepped circular tube, the top end is closed, the inner hole of the outer guide pipe 52 is stepped, the communication hole 53 is sealed by the inner wall of the outer guide pipe 52 when the fixed die core 12 and the movable die core 22 are matched to form a cavity, air pumping equipment such as an air pump can be connected through the air port 17, when the port of the outer guide pipe 52 is separated from the end of the negative pressure pipe 51, the air pumping equipment is matched with the air port 17 and the negative pressure pipe 51 to form negative pressure in the outer guide pipe 52, and then the negative pressure is absorbed by the outer guide pipe 52 to form a part of the die casting in the central groove 18, stability in ejection of the die casting is further improved, and the position deviation in the ejection process of the die casting can be ensured to be prevented from affecting product quality and potential safety hazards in the ejection process of the die casting.
In this embodiment, the air pumping device such as an air pump is connected through the air port 17, and when the port of the outer conduit 52 is separated from the end part of the negative pressure pipe 51, the air pumping device is matched with the negative pressure pipe 51 through the air port 17, and the part of the die casting formed in the central groove 18 is adsorbed through the outer conduit 52, so that the inclined ejector rod 34 is ensured to be separated from the die casting stably, and the influence on the product quality and the potential safety hazard caused by the position deviation in the ejection process of the die casting are avoided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A die casting die for rapidly ejecting a die casting, comprising:
the fixed die assembly (1), the fixed die assembly (1) comprises a fixed die plate (11) and a fixed die seat plate (15) for installing the fixed die assembly (1), two ends of one side end face of the fixed die plate (11) are respectively provided with a support (14) connected with the fixed die seat plate (15), the other side end face of the fixed die plate (11) is provided with a fixed die core (12), and the fixed die core (12) is provided with an inclined ejection groove (13);
the oblique jacking mechanism (3), the oblique jacking mechanism (3) comprises a lower clamping plate (31) and an upper clamping plate (32) which are slidably arranged between a fixed die plate (11) and a fixed die seat plate (15), an oblique jacking rod (34) is arranged between the upper clamping plate (32) and the fixed die plate (11), one end of the oblique jacking rod (34) deviating from the fixed die plate (11) is horizontally slidably arranged between the lower clamping plate (31) and the upper clamping plate (32), the other end of the oblique jacking rod (34) obliquely stretches into an oblique jacking groove (13), and a material returning part (35) matched with a cavity at the outer side of a fixed die core (12) is arranged on the side wall of one end of the oblique jacking rod (34) stretching into the oblique jacking groove (13);
the auxiliary ejection mechanism (4), the auxiliary ejection mechanism (4) comprises a guide cylinder (41) and a guide rod (42) penetrating through the guide cylinder (41), one end of the guide cylinder (41) is connected with one side end face of a fixed die plate (11) close to a fixed die seat plate (15), one end of the guide rod (42) extending into the guide cylinder (41) is connected with a fixed die core (12), a second elastic piece (43) for elastically supporting the guide rod (42) is arranged in the guide cylinder (41), a guide hole (45) and a sliding groove (46) distributed outside the guide hole (45) are formed in the end faces of a lower clamping plate (31) and an upper clamping plate (32), a circular positioning groove (44) is formed in the outer wall of one end of the guide rod (42) extending into the guide hole (45), a clamping block (47) is arranged in a sliding mode, a third elastic piece (48) accommodated in the sliding groove (46) is arranged at one end of the clamping block (47), a positioning groove (44) is formed in the other end of the clamping block (47) extending into the guide hole (45), a positioning groove (44) is formed in the outer wall of the clamping block (47), a U-shaped groove (44) is formed in the outer wall of the clamping block (41), one end of the unlocking guide table (49) extending out of the guide cylinder (41) is matched with the slot (410);
the telescopic piece (6), the terminal surface that telescopic piece (6) and cover half bedplate (15) deviate from cover half board (11) one side is connected, telescopic piece (6) are connected and drive oblique top mechanism (3).
2. A die casting die for rapidly ejecting a die casting according to claim 1, wherein: the end faces of the lower clamping plate (31) and the upper clamping plate (32) are respectively provided with a mounting groove (33) for accommodating the end parts of the inclined ejector rods (34), the two sides of the mounting grooves (33) are respectively provided with a sunken guide groove (36), the two sides of the inclined ejector rods (34) away from one end of the fixed die plate (11) are respectively hinged with a sliding seat (37), and the sliding seats (37) are slidingly accommodated in the guide grooves (36).
3. A die casting die for rapidly ejecting a die casting according to claim 2, wherein: the inclined ejection mechanism (3) further comprises a first elastic piece (38) arranged in the guide groove (36), and the first elastic piece (38) is used for elastically supporting the sliding seat (37).
4. A die casting die for rapidly ejecting a die casting according to claim 1, wherein: one end of the unlocking guide table (49) extending out of the guide cylinder (41) is provided with a chamfer, and the end part of the unlocking guide table (49) and the inner wall of the slot (410) are respectively provided with a corresponding chamfer.
5. A die casting die for rapidly ejecting a die casting according to claim 1, wherein: still include negative pressure assembly (5), negative pressure assembly (5) are including negative pressure pipe (51) and the cover of running through lower plate (31) and punch holder (32) establish outer pipe (52) in negative pressure pipe (51) outside, the one end and the cover half bedplate (15) of negative pressure pipe (51) are connected, the one end that outer pipe (52) is close to cover half bedplate (15) is connected with punch holder (32), center groove (18) have been seted up to the terminal surface that cover half core (12) is close to movable mold core (22) one side, the other end of negative pressure pipe (51) and outer pipe (52) all stretches into in center groove (18).
6. A die casting die for rapidly ejecting a die casting according to claim 5, wherein: the middle part of cover half bedplate (15) has seted up gas port (17) with negative pressure pipe (51) intercommunication, communication hole (53) that link up gas port (17) are seted up to the lateral wall of negative pressure pipe (51) deviating from cover half bedplate (15) one end, when cover half core (12) and movable mold core (22) cooperation formed the die cavity, communication hole (53) are sealed by outer pipe (52) inner wall.
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| CN202310685022.5A CN116408432B (en) | 2023-06-12 | 2023-06-12 | Die casting die capable of rapidly ejecting die castings |
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| CN116408432B CN116408432B (en) | 2023-08-18 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000024769A (en) * | 1998-07-14 | 2000-01-25 | Tekunoa Kk | Formation of die casting formed product having undercut shape |
| KR100852489B1 (en) * | 2007-03-22 | 2008-08-18 | 동남정밀 주식회사 | Die-casting mold |
| KR20090064049A (en) * | 2007-12-14 | 2009-06-18 | 현대자동차주식회사 | Core ejecting device for die casting metallic pattern |
| JP2009183986A (en) * | 2008-02-07 | 2009-08-20 | Ryobi Ltd | Die-casting die, and die-casting method |
| CN104385537A (en) * | 2014-11-26 | 2015-03-04 | 江苏师范大学 | Injection mold for automobile engine cylinder head cover |
| CN204842906U (en) * | 2015-07-24 | 2015-12-09 | 吉林电子信息职业技术学院 | A die casting die for adapter sleeve |
| CN109648793A (en) * | 2018-09-29 | 2019-04-19 | 高建鑫 | A kind of manufacturing method of automobile interior decoration back shroud |
| CN212239140U (en) * | 2020-05-15 | 2020-12-29 | 深圳市品成金属制品有限公司 | Front mould tunnel slide locking structure and die-casting die |
| CN114472849A (en) * | 2021-12-20 | 2022-05-13 | 广东启新汽车零部件有限公司 | Secondary ejection die-casting die |
-
2023
- 2023-06-12 CN CN202310685022.5A patent/CN116408432B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000024769A (en) * | 1998-07-14 | 2000-01-25 | Tekunoa Kk | Formation of die casting formed product having undercut shape |
| KR100852489B1 (en) * | 2007-03-22 | 2008-08-18 | 동남정밀 주식회사 | Die-casting mold |
| KR20090064049A (en) * | 2007-12-14 | 2009-06-18 | 현대자동차주식회사 | Core ejecting device for die casting metallic pattern |
| JP2009183986A (en) * | 2008-02-07 | 2009-08-20 | Ryobi Ltd | Die-casting die, and die-casting method |
| CN104385537A (en) * | 2014-11-26 | 2015-03-04 | 江苏师范大学 | Injection mold for automobile engine cylinder head cover |
| CN204842906U (en) * | 2015-07-24 | 2015-12-09 | 吉林电子信息职业技术学院 | A die casting die for adapter sleeve |
| CN109648793A (en) * | 2018-09-29 | 2019-04-19 | 高建鑫 | A kind of manufacturing method of automobile interior decoration back shroud |
| CN212239140U (en) * | 2020-05-15 | 2020-12-29 | 深圳市品成金属制品有限公司 | Front mould tunnel slide locking structure and die-casting die |
| CN114472849A (en) * | 2021-12-20 | 2022-05-13 | 广东启新汽车零部件有限公司 | Secondary ejection die-casting die |
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| CN116408432B (en) | 2023-08-18 |
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