CN110947928B - Casting die of vertical extruder - Google Patents
Casting die of vertical extruder Download PDFInfo
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- CN110947928B CN110947928B CN201911307266.XA CN201911307266A CN110947928B CN 110947928 B CN110947928 B CN 110947928B CN 201911307266 A CN201911307266 A CN 201911307266A CN 110947928 B CN110947928 B CN 110947928B
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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
- B22D17/2076—Cutting-off equipment for sprues or ingates
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Abstract
The invention discloses a casting die of a vertical extruder, which comprises a fixed die frame and a movable die frame, wherein a fixed die core is arranged at one end in the fixed die frame, which faces to the movable die frame, a runner is vertically arranged in the middle of the fixed die frame and the fixed die core in a through manner, a sprue bush component is arranged in a feed inlet of the fixed die frame, a movable die core is arranged at one end in the movable die frame, which faces to the fixed die frame, the movable die core and the fixed die core are matched to form a die cavity of a casting after die assembly, the inner end part of the runner is connected with the die cavity, and the outer end part of the runner is connected with the sprue bush component, and the casting die is characterized in that: the middle part of movable mould frame and movable mould core is provided with hot cutting mechanism, and the movable mould frame is provided with hot cutting actuating mechanism outward, and hot cutting actuating mechanism is connected with hot cutting mechanism, drives hot cutting mechanism and cuts off the cake of material of interior gate department to the cover half sideslip motion, and the advantage is: through the hot cutting mechanism in the mould, cut off the cake of expecting of ingate department in the mould after the casting to cutting off to the cover half direction, ejecting the cake of expecting, make the cake of expecting to break away from the runner easily, improve production efficiency.
Description
Technical Field
The invention relates to the field of extrusion casting dies, in particular to a casting die of a vertical extruder.
Background
Squeeze casting is a common technique in the industry for forming lightweight components. And directly injecting a certain amount of metal liquid to be cast from a sprue bush into the cavity through the material cylinder, closing and pressing through a movable die and a fixed die to form a casting part in the cavity according to a set structure, cooling, and demoulding to obtain a casting product.
However, the existing casting die of the extruding machine still has the following defects: because feed liquid velocity of flow is comparatively slow among the squeeze casting process, on the one hand in order to guarantee the interior feed liquid temperature of runner, on the other hand in order to prevent the interior gas entrainment of runner, current runner pipe diameter all sets up great, and the flow gate is thick and solid, and vertical squeeze casting is the central feeding, so the cake that forms during the casting is whole thick solid and strong in flow gate and runner, causes the cake to take out the difficulty, often needs manual removal after the die sinking, wastes time and energy, reduces production efficiency.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a casting die of a vertical extruder, which can cut a material cake at an inner sprue in the die through an in-die hot cutting mechanism after casting is finished, cut the material cake towards a fixed die direction, eject the material cake, enable the material cake to be easily separated from a flow channel and improve the production efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: a casting die of a vertical extruder comprises a fixed die frame and a movable die frame, wherein a fixed die core is arranged at one end, facing the movable die frame, in the fixed die frame, a runner is vertically arranged in the middle of the fixed die frame and the fixed die core in a through mode, a sprue bush component is arranged at one end, facing the movable die frame, in the fixed die frame, a movable die core is arranged at one end, facing the fixed die frame, in the movable die frame, the movable die core and the fixed die core are matched to form a die cavity of a casting after die assembly, an inner sprue is arranged at the inner end of the runner, the inner sprue is connected with the die cavity, the outer end of the runner is connected with the sprue bush component, molten metal enters the die cavity through the sprue bush component and the runner, a hot cutting mechanism is arranged at the middle of the movable die frame and the movable die core, and a hot cutting driving mechanism is arranged outside the movable die frame, the hot cutting driving mechanism is connected with the hot cutting mechanism and drives the hot cutting mechanism to move towards the side of the fixed die to cut off the material cake at the inner gate.
In some embodiments, the hot cutting mechanism includes a punch pin and an insert sleeve, the punch pin vertically penetrates through the middle portions of the movable mold frame and the movable mold core, the outer end portion of the punch pin is connected with the hot cutting driving mechanism, the inner end portion of the punch pin is flush with the surface of the movable mold core, the punch pin is coaxial with the runner, the diameter of the punch pin is slightly smaller than that of the inner gate, the inner end portion of the punch pin enters the inner gate and is in clearance fit with the runner when moving towards the fixed mold side, the insert sleeve is disposed between the movable mold core and the punch pin, the outer peripheral wall of the insert sleeve is fixed with the movable mold core, and the inner peripheral wall of the insert sleeve is in clearance fit with the outer peripheral wall of the punch pin. The hot cutting driving mechanism drives the cylindrical punching needle to move towards the side of the fixed die to cut off the material cake 7 at the inner sprue 13, and the designed hot cutting mechanism has a better effect; the bushing structure is used for protecting the movable mould core from being damaged when the punch pin performs hot cutting movement up and down.
In some embodiments, the hot cutting driving mechanism comprises an oil cylinder and a piston, a piston chamber for reciprocating the piston is arranged in the oil cylinder, one end of the piston is connected with the piston chamber, the other end of the piston is connected with the outer end of the punching needle, and the stroke range of the piston is 40-50 mm. Therefore, before the die is opened after casting, the oil cylinder drives the piston to push the hot cutting mechanism to move towards the fixed die side to break the material cake in the runner, and then the oil cylinder drives the piston and the hot cutting mechanism to return.
In some embodiments, the fixed mold frame back to the one end of the movable mold frame is provided with a feed inlet, the sprue bush assembly comprises a positioning ring and a sprue bush body which are arranged in the feed inlet, the positioning ring is arranged above the sprue bush body and fixed with the fixed mold frame, the lower end part of the sprue bush body extends into the fixed mold core, the inner peripheral wall of the positioning ring and the inner peripheral wall of the sprue bush body jointly form a feed cavity which is gradually reduced in a step shape from top to bottom, and the lower end of the feed cavity is connected with the flow channel. Through setting up runner cover body and location ring structure, reduce the degree of depth of runner cover body, make the drift stroke shorten, reduce the production and the adhering to of slag charge on the runner cover body inner wall, and then reduce the inside slag charge that mingles of product, improve the mechanical properties of foundry goods, improve the product percent of pass.
In some embodiments, the depth of the lower end of the sprue bush body is 32-38 mm, the inner side wall of the lower end of the sprue bush body is an inclined surface inclined inwards from top to bottom, the inclination of the inclined surface is 3-10 degrees, and the inclination of the inner side wall of the runner is consistent with the inclination of the inner side wall of the lower end. The inner side wall of the lower end part of the sprue bush and the inner side wall of the runner are provided with specific slopes, so that the cake can be separated from the runner and fall out along with gravity more easily after the punching needle continuously ejects a distance to the fixed die side.
In some embodiments, a first positioning surface is arranged on the bottom wall of the positioning ring, a second positioning surface is arranged on the inner side wall of the positioning ring, the first positioning surface is abutted to the upper surface of the upper end of the sprue bush body, the second positioning surface is abutted to the outer side wall of the upper end of the sprue bush body, the positioning ring is fixed to the fixed die frame through at least one pair of connecting pieces, and each pair of connecting pieces are circumferentially and symmetrically distributed. Therefore, the sprue bush body is clamped in two directions through the positioning surface, so that the positioning ring tightly fixes the sprue bush body; because the sprue bush body is consumptive material, fragile, the holding ring not only plays fixed sprue bush body, increases the effect of feed cylinder height, and it can be dismantled with the sprue bush body and be connected, still has the installation and change of being convenient for, the effect of saving the cost.
In some embodiments, the outer end of the punch pin includes a first positioning boss, the outer end of the piston includes a second positioning boss, the first positioning boss is fixedly connected with the second positioning boss, the diameters of the first positioning boss and the second positioning boss are the same and are both larger than the diameters of the punch pin and the piston, a fastening hoop for fixing the connection between the first positioning boss and the second positioning boss is arranged on the peripheries of the first positioning boss and the second positioning boss, an accommodating cavity for accommodating the fastening hoop during hot cutting is arranged at one end of the movable mold frame, which faces away from the movable mold core, the diameter of an inner cavity of the fastening hoop is larger than the diameter of openings at two ends, and the first positioning boss and the second positioning boss are tightly clamped in the inner cavity. From this towards having more stable connection performance between needle and the piston, improve towards the degree of accuracy when needle hot cutting, the stability of structure is further guaranteed in the setting of fastening armful ring and holding chamber.
In some embodiments, the punch pin is internally and longitudinally provided with a cooling water channel, the first positioning boss is internally provided with a water inlet, a water outlet is arranged above the water inlet, two ends of the cooling water channel are respectively connected with the water inlet and the water outlet, the water inlet and the water outlet are respectively connected with an external water pipe, the fastening hoop is provided with an opening for the external water pipe to pass through, and a water isolating mechanism is arranged between adjacent pipelines of the cooling water channel. Thereby having a more excellent cooling effect and structural stability.
In some embodiments, the die further comprises a die leg, the upper end of the die leg is fixedly connected with the movable die frame, and the lower end of the die leg is fixedly connected with the oil cylinder.
In some embodiments, the material of the punch pin and the material of the insert sleeve are hot die steel. The punch pin and the insert sleeve made of the material have excellent mechanical property and thermal property, and are particularly suitable for a hot cutting mechanism.
Compared with the prior art, the invention has the advantages that: by arranging the hot cutting mechanism and the hot cutting driving mechanism, the hot cutting driving mechanism drives the hot cutting mechanism to move towards the side of the fixed die to cut off the material cake at the sprue in the runner before die opening is finished after injection, and the material cake is cut off towards the direction of the fixed die and ejected out, so that the material cake is easy to separate from the runner, and then the material cake falls out of the die under the action of gravity, manual digging is not needed after die opening, time and labor are saved, and the production and manufacturing efficiency is improved; in addition, the improved structure of the sprue bush assembly is arranged at the feed inlet, so that the depth of the sprue bush is reduced from original 98mm to about 35mm, the stroke of the punch is shortened, the generation and adhesion of slag on the inner wall of the sprue bush are reduced, the qualification rate of a casting product is improved from original 51% to about 90.5%, the sprue bush and the inner wall of the flow channel are inclined, a material cake can be further separated from the flow channel easily, and the production efficiency is improved.
Drawings
FIG. 1 is a cross-sectional view of a casting die of a vertical extruder of the present invention;
FIG. 2 is a cross-sectional view of a casting die of a vertical extruder in a pre-hot-cut condition in accordance with the present invention;
FIG. 3 is a cross-sectional view of a casting die of a vertical extruder in a hot-cut condition according to the present invention;
FIG. 4 is a cross-sectional view of a sprue bushing assembly of a casting mold for a vertical extruder of the present invention;
FIG. 5 is an exploded view of a sprue bushing assembly of a vertical extruder casting mold of the present invention;
fig. 6 is an exploded view of the hot cutting mechanism of a vertical extruder casting die of the present invention.
The die comprises a fixed die frame 1, a sprue bush component 10, a positioning ring 101, a sprue bush body 102, an inclined surface 103, a first positioning surface 104, a second positioning surface 105, a fixed die core 11, a runner 12, an inner sprue 13, a movable die frame 2, a movable die core 21, an accommodating cavity 22, a die cavity 3, a feed inlet 4, a feed cavity 41, a hot cutting mechanism 5, a punch pin 51, an insert sleeve 52, a first positioning boss 53, a fastening holding ring 54, a cooling water channel 55, a water separating mechanism 56, an opening 57, a hot cutting driving mechanism 6, an oil cylinder 61, a piston 62, a piston cavity 63, a second positioning boss 64, a material cake 7, a water pipe 8 and a die foot 9.
Detailed Description
The following is a further detailed description of a vertical extruder casting die of the present invention with reference to the accompanying drawings and examples, but the invention is not limited thereto.
Example one
As shown in the figure, the casting die of the vertical extruder comprises a fixed die frame 1 and a movable die frame 2, a fixed die core 11 is arranged at one end, facing a movable die frame 2, in the fixed die frame 1, a runner 12 is vertically arranged in the middle of the fixed die frame 1 and the fixed die core 11 in a through mode, a sprue bush component 10 is arranged at one end, facing away from the movable die frame 2, in the fixed die frame 1, a movable die core 21 is arranged at one end, facing the fixed die frame 1, in the movable die frame 2, the movable die core 21 and the fixed die core 11 are matched to form a die cavity 3 of a casting, an inner sprue 13 is arranged at the inner end of the runner 12, the outer end of the runner 12 is connected with the sprue bush component 10, the outer end of the runner 12 is connected with a feed inlet 4, molten metal sequentially enters the die cavity 3 through the sprue bush component 10 and the runner 12, a hot cutting mechanism 5 is arranged at the middle of the movable die frame 2 and the movable die core 21, a hot cutting driving mechanism 6 is arranged outside the movable die frame 2, the hot cutting driving mechanism 6 is connected with the hot cutting mechanism 5, and drives the hot cutting mechanism 5 to move towards the fixed die side to cut off the material cake 7 at the inner sprue 13.
Example two
The present embodiment provides a casting die of a vertical extruder, which is further defined in the structure of the hot cutting mechanism 5 on the basis of the first embodiment. In this embodiment, the hot cutting mechanism 5 includes a punch pin 51 and an insert 52, the punch pin 51 vertically penetrates through the middle portions of the moving mold frame 2 and the moving mold core 21, the outer end portion of the punch pin 51 is connected with the hot cutting driving mechanism 6, the inner end portion of the punch pin 51 is flush with the surface of the moving mold core 21, the punch pin 51 and the runner 12 are coaxially arranged, the diameter of the punch pin 51 is slightly smaller than the diameter of the inner gate 13, the inner end portion of the punch pin 51 enters the inner gate 13 and is in clearance fit with the inner wall of the runner 12 when moving to the fixed mold side, the insert 52 is arranged between the moving mold core 21 and the punch pin 51, the outer peripheral wall of the insert 52 is fixed to the moving mold core 21, and the inner peripheral wall of the insert 52 is in clearance fit with the outer peripheral wall of the punch pin 51. The bushing structure is used for protecting the movable mould core from being damaged when the punch pin performs hot cutting movement up and down.
EXAMPLE III
The present embodiment provides a casting die of a vertical extruder, which is further limited in the structure of the hot cutting driving mechanism 6 on the basis of the first embodiment. In this embodiment, the hot cutting driving mechanism 6 includes an oil cylinder 61 and a piston 62, a piston chamber 63 for reciprocating the piston 62 is provided in the oil cylinder 61, one end of the piston 62 is connected to the piston chamber 63, the other end of the piston 62 is connected to the outer end of the punch pin 51, and the stroke range of the piston 62 is 40-50 mm.
Example four
The present embodiment provides a vertical extruder casting die, which further defines the structure of the sprue bush assembly 10 on the basis of the first embodiment. In this embodiment, a feed inlet 4 is arranged at one end of the fixed die frame 1, which faces away from the movable die frame 2, the sprue bush assembly 10 includes a positioning ring 101 and a sprue bush body 102 which are arranged in the feed inlet 4, the positioning ring 101 is arranged above the sprue bush body 102, the positioning ring 101 is fixed to the fixed die frame 1, the lower end of the sprue bush body 102 extends into the fixed die core 11, the inner peripheral wall of the positioning ring 101 and the inner peripheral wall of the sprue bush body 102 jointly form a feed cavity 41 which is stepped and degressive from top to bottom, and the lower end of the feed cavity 41 is connected with the runner 12.
In this embodiment, the depth of the lower end portion of the runner housing body 102 is 32 to 38mm, the inner wall of the lower end portion of the runner housing body 102 is provided as an inclined surface 103 inclined inward from the top to the bottom, the inclination of the inclined surface 103 is 3 to 10 °, and the inclination of the inner wall of the runner 12 is equal to the inclination of the inner wall (inclined surface 103) of the lower end portion. The inclination is preferably 5 °.
In this embodiment, a first positioning surface 104 is disposed on a bottom wall of the positioning ring 101, a second positioning surface 105 is disposed on an inner side wall of the positioning ring 101, the first positioning surface 104 abuts against an upper surface of an upper end portion of the sprue bush body 102, the second positioning surface 105 abuts against an outer side wall of the upper end portion of the sprue bush body 102, the positioning ring 101 is fixed to the fixed mold frame 1 through at least one pair of connecting members, and each pair of connecting members are circumferentially and symmetrically distributed.
EXAMPLE five
The present embodiment provides a casting die of a vertical extruder, which further defines the structures of the hot cutting mechanism 5 and the hot cutting driving mechanism 6 on the basis of the third embodiment. In this embodiment, the outer end portion of the punch pin 51 includes a first positioning boss 53, the outer end portion of the piston 62 includes a second positioning boss 64, the first positioning boss 53 is fixedly connected with the second positioning boss 64, and the diameters of the first positioning boss 53 and the second positioning boss 64 are the same and are both greater than the diameters of the punch pin 51 and the piston 62, the peripheries of the first positioning boss 53 and the second positioning boss 64 are provided with a fastening hoop 54 for stabilizing the connection between the first positioning boss and the second positioning boss, and one end of the movable mold frame 2, which faces away from the movable mold core 21, is provided with an accommodating cavity 22 for accommodating the fastening hoop 54 during hot cutting.
In this embodiment, the diameter of the inner cavity of the fastening ring 54 is larger than the diameter of the openings at the two ends, and the first positioning boss 53 and the second positioning boss 64 are tightly clamped in the inner cavity.
EXAMPLE six
The casting die of the vertical extruder provided in this embodiment is further limited in the structure of the hot cutting mechanism 5 on the basis of the second embodiment. In this embodiment, a cooling water channel 55 is longitudinally arranged in the punch pin 51, a water inlet is arranged in the first positioning boss 53, a water outlet is arranged above the water inlet, and two ends of the cooling water channel 55 are respectively connected with the water inlet and the water outlet to enable cooling water to enter and exit from the water inlet and the water outlet. A water stop mechanism 56 is provided between adjacent pipes of the cooling water passage 55.
In this embodiment, the water inlet and the water outlet are respectively connected to the external water pipe 8, and the fastening ring 54 is provided with an opening 57 through which the water supply pipe 8 passes. The water pipe 8 may be made of steel, and the housing chamber 22 further includes a portion for housing the outer water pipe 8.
EXAMPLE seven
The embodiment provides a vertical extruder casting die, which is further improved on the basis of the embodiment. In this embodiment, the mold further comprises a mold leg 9, the upper end of the mold leg 9 is fixedly connected with the movable mold frame 2, and the oil cylinder 61 is fixedly connected with the lower end of the mold leg 9.
The material of the punch pin 51 and the insert 52 can be SKD61 hot-work die steel, so that the punch pin has excellent mechanical property and thermal property.
The working principle of the casting die of the vertical extruder is as follows: after the movable mold and the fixed mold are assembled, molten metal enters the cavity through the sprue bush assembly and the runner in sequence for extrusion casting, and a material cake is formed in the runner after casting is completed. Before the mould is opened, the oil cylinder drives the piston to push the punching needle to move towards the side of the fixed mould, the punching needle punches and cuts off a cake at a pouring gate in the runner, the punching needle continuously ejects a distance towards the side of the fixed mould to enable the cake to be more easily separated from the runner, and then the oil cylinder drives the piston and the punching needle to return. The mould is opened after cooling and forming, and the material cake drops to the outside of the mould along the gravity direction, and the material cake is not required to be manually dug out after mould opening, so that time and labor can be saved, and the production and manufacturing efficiency is improved.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, and the present invention may be modified in materials and structures, or replaced with technical equivalents. Therefore, structural equivalents made by using the description and drawings of the present invention or by directly or indirectly applying to other related arts are also encompassed within the scope of the present invention.
Claims (8)
1. A vertical extruder casting mould comprises a fixed mould frame and a movable mould frame, wherein a fixed mould core is arranged at one end of the fixed mould frame facing to the movable mould frame, a flow channel is vertically arranged in the middle of the fixed mould frame and the fixed mould core in a through mode, a sprue bush component is arranged at one end of the fixed mould frame facing to the movable mould frame, a movable mould core is arranged at one end of the movable mould frame facing to the fixed mould frame, the movable mould core and the fixed mould core are matched to form a cavity of a casting after being matched with each other, an inner end part of the flow channel is an inner sprue, the inner sprue is connected with the cavity, the outer end part of the flow channel is connected with the sprue bush component, and molten metal enters the cavity through the sprue bush component and the flow channel, and the vertical extruder casting mould is characterized in that a hot cutting mechanism is arranged at the middle parts of the movable mould frame and the movable mould core, a hot cutting driving mechanism is arranged outside the movable mold frame and connected with the hot cutting mechanism to drive the hot cutting mechanism to move towards the side of the fixed mold to cut off the material cake at the inner gate;
a feed port is formed in one end, back to the movable die frame, of the fixed die frame, the sprue bush assembly comprises a positioning ring and a sprue bush body which are arranged in the feed port, the positioning ring is arranged above the sprue bush body and fixed with the fixed die frame, the lower end of the sprue bush body extends into the fixed die core, a feed cavity which is gradually decreased in a step shape from top to bottom is formed by the inner peripheral wall of the positioning ring and the inner peripheral wall of the sprue bush body together, and the lower end of the feed cavity is connected with the runner; the depth of the lower end part of the sprue bush body is 32-38 mm, the inner side wall of the lower end part of the sprue bush body is an inclined plane which is inclined inwards from top to bottom, the inclination of the inclined plane is 3-10 degrees, and the inclination of the inner side wall of the flow channel is consistent with that of the inner side wall of the lower end part.
2. The casting mold of a vertical extrusion press as claimed in claim 1, wherein the hot cutting mechanism comprises a punch pin and an insert sleeve, the punch pin vertically penetrates through the middle of the movable mold frame and the movable mold core, the outer end of the punch pin is connected with the hot cutting driving mechanism, the inner end of the punch pin is flush with the surface of the movable mold core, the punch pin is coaxial with the runner, the diameter of the punch pin is slightly smaller than that of the inner sprue, the inner end of the punch pin enters the inner sprue and is in clearance fit with the runner when moving towards the fixed mold side, the insert sleeve is arranged between the movable mold core and the punch pin, the outer peripheral wall of the insert sleeve is fixed with the movable mold core, and the inner peripheral wall of the insert sleeve is in clearance fit with the outer peripheral wall of the punch pin.
3. The casting die of a vertical extruder as claimed in claim 2, wherein the hot cutting driving mechanism comprises an oil cylinder and a piston, a piston chamber for reciprocating the piston is arranged in the oil cylinder, one end of the piston is connected with the piston chamber, the other end of the piston is connected with the outer end of the punching needle, and the stroke range of the piston is 40-50 mm.
4. The casting mold of the vertical extruder as claimed in claim 1, wherein the bottom wall of the positioning ring is provided with a first positioning surface, the inner side wall of the positioning ring is provided with a second positioning surface, the first positioning surface abuts against the upper surface of the upper end of the sprue bush body, the second positioning surface abuts against the outer side wall of the upper end of the sprue bush body, the positioning ring is fixed to the fixed mold frame by at least one pair of connecting members, and each pair of connecting members are circumferentially and symmetrically distributed.
5. A casting die for a vertical extruder as claimed in claim 3, wherein the outer end of the punch pin includes a first locating boss, the outer end part of the piston comprises a second positioning boss, the first positioning boss is fixedly connected with the second positioning boss, the diameters of the first positioning lug boss and the second positioning lug boss are the same and are both larger than the diameter of the punching needle, the peripheries of the first positioning lug boss and the second positioning lug boss are provided with fastening hoops for stabilizing the connection between the first positioning lug boss and the second positioning lug boss, one end of the movable mould frame, which is back to the movable mould core, is provided with an accommodating cavity for accommodating the fastening hoop during hot cutting, the diameter of the inner cavity of the fastening embracing ring is larger than the diameter of the openings at the two ends, and the first positioning lug boss and the second positioning lug boss are tightly clamped in the inner cavity.
6. The casting mold of the vertical extruder as claimed in claim 5, wherein the punch pin is provided with a cooling water channel longitudinally therein, the first positioning boss is provided with a water inlet therein, a water outlet is provided above the water inlet, both ends of the cooling water channel are connected with the water inlet and the water outlet respectively, the water inlet and the water outlet are connected with an external water pipe respectively, the fastening hoop is provided with an opening for the external water pipe to pass through, and a water isolating mechanism is provided between adjacent pipes of the cooling water channel.
7. The casting mold of a vertical extruder as claimed in claim 3, further comprising a mold foot, wherein the upper end of the mold foot is fixedly connected to the movable mold frame, and the lower end of the mold foot is fixedly connected to the cylinder.
8. A vertical extruder casting die as defined in claim 2 wherein the punch pin and the insert are made of hot die steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307266.XA CN110947928B (en) | 2019-12-18 | 2019-12-18 | Casting die of vertical extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911307266.XA CN110947928B (en) | 2019-12-18 | 2019-12-18 | Casting die of vertical extruder |
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| Publication Number | Publication Date |
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| CN110947928A CN110947928A (en) | 2020-04-03 |
| CN110947928B true CN110947928B (en) | 2022-05-27 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9111259U1 (en) * | 1991-09-11 | 1993-01-14 | Bänsch, Klaus-Peter, 8501 Eckental | Tool for injection or die casting |
| JPH0939035A (en) * | 1995-07-27 | 1997-02-10 | Sony Corp | Molding die for optical disk substrate and its molding method |
| JP3160888B2 (en) * | 1996-03-11 | 2001-04-25 | 三菱マテリアル株式会社 | Mold equipment for injection molding |
| JP3808167B2 (en) * | 1997-05-01 | 2006-08-09 | Ｙｋｋ株式会社 | Method and apparatus for manufacturing amorphous alloy molded article formed by pressure casting with mold |
| JP2002307488A (en) * | 2001-04-11 | 2002-10-23 | Hitachi Maxell Ltd | Method for molding data recording disk substrate, and mold therefor |
| JP2003053801A (en) * | 2001-08-09 | 2003-02-26 | Sony Corp | Mold for injection molding, method for manufacturing optical recording medium, and optical recording medium |
| JP3921513B2 (en) * | 2002-04-17 | 2007-05-30 | 株式会社木村工業 | Molding apparatus and mold unit used therefor |
| CN105397060A (en) * | 2015-11-10 | 2016-03-16 | 苏州三基铸造装备股份有限公司 | Vertical-type high-pressure casting die for in-die automatic cutting casting system |
| CN205522328U (en) * | 2016-04-26 | 2016-08-31 | 常州轻工职业技术学院 | Automatically, cut runner plastics mould with inclined hole plastic housing |
| HUE061923T2 (en) * | 2018-01-15 | 2023-08-28 | Druckguss Service Deutschland Gmbh | Cold chamber pressure casting machine |
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