CN216729488U - Die casting die of material is steadily taken off to two side types of loosing core - Google Patents

Abstract

The embodiment of this application provides a die casting die of material is steadily taken off to two side core pulling type, including bottom plate, stopper, a slider seat and a mould benevolence, No. two mould benevolence and No. two slider seats, No. three mould benevolence and No. three slider seats, No. four mould benevolence and No. four slider seats, be provided with between a mould benevolence and No. two mould benevolence and annotate the material pipe. Be provided with cylinder and No. two cylinders that are used for stretching into the die cavity in No. three sliding block seats and No. four sliding block seats respectively, slide in No. one mould benevolence and be provided with slider and No. two sliders, be provided with two recesses in No. two mould benevolence, during the compound die, slider and No. two sliders are arranged in the space that two recesses and spout are constituteed respectively, the lateral wall slope of a recess. A first sliding rod and a second sliding rod are arranged in the second mold core, and the second mold core further comprises a thimble group used for jacking and conveying the second mold core, the material injection pipe and the product and a thimble dial used for jacking and conveying the thimble group. The advantages are that: can ensure that the product is relatively quick and stable when being separated from the die.

Description

Die casting die of material is steadily taken off to two side types of loosing core

Technical Field

The utility model relates to the field of mold design, in particular to a double-side core-pulling type die-casting mold capable of stably stripping materials.

Background

The die-casting die is a method for casting liquid die forging, a process completed on a special die-casting die forging machine. The basic process 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 die-casting die is low in efficiency under the condition of mass production because the formed products cannot be quickly separated when the products are ejected. The material is difficult to remove by a conventional method under the condition that the surface of a product is not flat due to undercut and the like, for example, the material is removed by an ejector pin according to the conventional method or the core is pulled from one side, so that the product is separated from the undercut in a mold core, the ejector pin print is easily left on the outer surface of the product, and the product and the mold core are possibly scratched and rubbed, so that the product is not well molded.

In view of this, it is necessary to provide a new die casting mold with smooth stripping of the double-side core pulling type.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-side core-pulling type die-casting die capable of stably stripping materials, which effectively overcomes the defect that the die cannot be rapidly and stably stripped in the prior art.

The technical scheme adopted by the utility model is as follows:

the die-casting die comprises a bottom plate, wherein four limiting blocks are arranged at four corners of the bottom plate, and the limiting blocks and the bottom plate form a cross channel. The cross passageway both sides are provided with mould benevolence and No. two mould benevolence relatively, the mould benevolence outside is connected with the slider seat No. one, No. two mould benevolence outsides are connected with the slider seat No. two, the other both sides of cross passageway are provided with mould benevolence No. three and mould benevolence No. four relatively, No. three mould benevolence outsides are connected with the slider seat No. three, No. four mould benevolence outsides are connected with the slider seat No. four, be provided with between mould benevolence and the mould benevolence No. two and annotate the material pipe.

Be provided with respectively in No. three sliding block seats and No. four sliding block seats and be used for stretching into the inside cylinder and No. two cylinders of product, be provided with two spouts in the mould benevolence, slide respectively in two spouts and be provided with a slider and No. two sliders, during the compound die a mould benevolence, No. two mould benevolence, cylinder, No. two cylinders, a slider and No. two sliders form the die cavity that is used for annotating the material jointly. The two chutes are symmetrical about the cavity, two first grooves are formed in the second mold core relative to the cavity and communicated with the cavity, and a first sliding block and a second sliding block are respectively arranged in a space formed by the two first grooves and the chutes during mold closing. The lateral wall slope of a recess, be provided with a through-hole and No. two through-holes in a slider and No. two sliders respectively, No. two mould benevolence go up the slant and are provided with the slide bar of arranging in a slide bar in the through-hole respectively and No. two slide bars in the through-hole respectively for a slider and No. two sliders can slide a slide bar and No. two slide bars relatively respectively. The device also comprises a thimble group used for jacking the second mold core, the material injection pipe and the product and a thimble dial used for jacking the thimble group.

Further, the method comprises the following steps: the thimble group is including No. one thimble that is used for the top to send the product, No. two thimbles that are used for the top to send the notes material pipe and No. three thimbles that are used for the top to send No. two mould benevolence.

Further, the method comprises the following steps: a groove II is formed in one side of the first sliding block, a stop pin used for limiting the movement of the first sliding block is arranged in the first mold core, and the tail end of the stop pin is arranged in the groove II.

Further, the method comprises the following steps: a stop block is arranged on one side of the first mold core and extends out of the sliding groove.

Further, the method comprises the following steps: the third mold core is provided with a protrusion, the first mold core is provided with a first half groove, the second mold core is provided with a second half groove, and the protrusion is arranged in the first half groove and the second half groove after mold closing.

Further, the method comprises the following steps: the four corners of the second mold core are provided with a convex block, and the four corners of the first mold core are provided with a third groove matched with the convex block.

Further, the method comprises the following steps: the thimble dish includes spliced pole, a dish, sets up No. two dishes in a dish outside and sets up No. three dishes that are used for being connected with external drive mechanism in No. two dishes outsides, a dish is provided with the through-hole that is used for supplying a thimble, No. two thimbles and No. three thimbles to pass, a thimble, No. two thimbles and No. three thimbles pass a dish and No. two dish fixed connection, No. two dishes outside is provided with the spliced pole, the spliced pole both ends are connected with No. two dishes and No. three dishes respectively.

Further, the method comprises the following steps: the stopper of thimble dish both sides all is provided with the locating pin that is used for advancing line location to the thimble dish, the both sides that a slider seat is close to the stopper all are provided with the bar hole, the thimble passes the bar hole and arranges in between No. three dishes and No. two dishes, interval between No. three dishes and No. two dishes is greater than the diameter of locating pin.

The utility model has the beneficial effects that:

1. through setting up a slider and No. two sliders, a slide bar and No. two slide bars, break away from simultaneously from product both sides, can guarantee that the product is comparatively stable when being broken away from.

2. The stop pin can limit the further outward movement of the first sliding block during demoulding, so that the first sliding block is prevented from being separated from the first die core.

Drawings

FIG. 1 is a front view of a double-sided core pulling type die casting mold for smooth stripping according to an embodiment of the application;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a side view of a double-sided core pulling type smooth stripping die casting mold according to an embodiment of the application;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is an exploded view of a stop pin, a first slide block and a first mold core of the double-side core pulling type die casting mold for smooth stripping according to the embodiment of the application;

FIG. 6 is an overall exploded view of the double-sided core pulling type die casting mold for smooth stripping of the material according to the embodiment of the application;

fig. 7 is a schematic view illustrating a die casting mold for double-sided core pulling type stable stripping according to an embodiment of the present application, in which a first slide block seat and a first mold core are removed;

labeled as: 1. a base plate; 2. a limiting block; 3. a first slider seat; 4. a first mold core; 5. a second slider seat; 6. a second mold core; 7. a third mold core; 8. a fourth mold core; 9. a thimble group; 10. a thimble plate; 11. positioning pins; 12. a fourth slider seat; 13. a third slider seat; 301. a strip-shaped hole; 401. a chute; 402. a first sliding block; 403. a second sliding block; 404. a retaining pin; 405. a stopper; 406. a first half-groove; 407. a groove III; 601. a first groove; 602. a first sliding rod; 603. a second sliding rod; 604. a second half-groove; 605. a bump; 701. a first cylinder; 702. a protrusion; 801. a second cylinder; 4021. a second groove; 101. connecting columns; 102. a first dial; 103. a second disk; 104. a third tray; 901. a first thimble; 902. a second thimble;

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the die casting die of the two-sided core pulling type smooth stripping provided by the embodiment of the application comprises a bottom plate 1, wherein four corners of the bottom plate 1 are provided with a limiting block 2, and the limiting blocks 2 and the bottom plate 1 form a cross channel. The novel cross-shaped channel is characterized in that a first mold core 4 and a second mold core 6 are arranged on two sides of the cross-shaped channel relatively, the outer side of the first mold core 4 is connected with a first sliding block seat 3, the outer side of the second mold core 6 is connected with a second sliding block seat 5, a third mold core 7 and a fourth mold core 8 are arranged on the other two sides of the cross-shaped channel relatively, a third sliding block seat 13 is connected to the outer side of the third mold core 7, and a fourth sliding block seat 12 is connected to the outer side of the fourth mold core 8. And a material injection pipe is arranged between the first mold core 4 and the second mold core 6.

A first cylinder 701 and a second cylinder 801 used for extending into the interior of a product are arranged in the third slider seat 13 and the fourth slider seat 12 respectively, two sliding grooves 401 are arranged in the first mold core 4, and a first slider 402 and a second slider 403 are arranged in the two sliding grooves 401 in a sliding mode respectively. When the die is closed, the first die core 4, the second die core 6, the first cylinder 701, the second cylinder 801, the first slide block 402 and the second slide block 403 form a cavity for injecting materials together. The two runners 401 are symmetrical about the cavity. Two first grooves 601 are formed in the opposite cavity in the second mold core 6, the two first grooves 601 are communicated with the mold cavity, a first sliding block 402 and a second sliding block 403 are arranged in a space formed by the two first grooves 601 and the sliding groove 401 respectively during mold closing, the side wall of the first groove 601 inclines, a first through hole and a second through hole are formed in the first sliding block 402 and the second sliding block 403 respectively, and a first sliding rod 602 and a second sliding rod 603 are arranged in the first through hole and the second through hole respectively in an inclined mode on the second mold core 6, so that the first sliding block 402 and the second sliding block 403 can slide relative to the first sliding rod 602 and the second sliding rod 603 respectively. The mould also comprises an ejector pin group 9 for ejecting the second mould core 6, a material injection pipe and a product and an ejector pin disc 10 for ejecting the ejector pin group 9.

When the mold works, the first slide block seat 3 drives the first mold core 4, the second slide block seat 5 drives the second mold core 6 to move towards the center of the cross channel, when the first mold core 4 and the second mold core 6 are superposed, the third slide block seat 13 and the fourth slide block seat 12 respectively drive the third mold core 7 and the fourth mold core 8 to move towards the center of the cross channel, so that the third mold core 7 is tightly attached to one side of the first mold core 4 and one side of the second mold core 6 which are superposed, the first cylinder 701 extends into a cavity formed by the first mold core 4 and the second mold core 6, the fourth mold core 8 is tightly attached to the other side of the first mold core 4 and the second mold core 6 which are superposed, and the second cylinder 801 extends into a cavity formed by the first mold core 4 and the second mold core 6. And then, injecting materials into the cavity through the material injection pipe, and after the materials in the cavity are formed and cooled to form a product, pulling the third mold core 7 and the fourth mold core 8 outwards from two sides by the third slide seat 13 and the fourth slide seat 12 respectively so as to release the first cylinder 701 shaft and the second cylinder 801 shaft from the product in the cavity. Then, the second mold core 6 is pulled outwards by the second slide seat 5, the first slide block 402 and the second slide block 403 are driven to separate from the product, and the thimble set 9 is ejected by the thimble plate 10, so that the product, the second mold core 6 and the material injection pipe are ejected by the thimble set 9.

In the above-mentioned design, can set up cylinder 701 and cylinder 801 No. two simultaneously, guarantee the inside die cavity shaping of product, set up slider 402 and slider 403 No. two, utilize No. two mould benevolence 6 to drive slide bar 602 and No. two slide bar 603 for slider 402 and No. two slider 403 break away from with the product both sides simultaneously, realize two sides and loose core, set up thimble group 9 top simultaneously and send the product, annotate material pipe and No. two mould benevolence 6, can stabilize quick drawing of patterns.

Specifically, the method comprises the following steps: the thimble group 9 comprises a first thimble for jacking products, a second thimble for jacking an injection pipe and a third thimble for jacking a second mold core 6.

In the above design, the product, the material injection pipe and the second mold core 6 are respectively ejected, so that the product can be rapidly separated.

Specifically, the method comprises the following steps: as shown in fig. 4 and 5, a second groove 4021 is formed in one side of the first slide block 402, a stop pin 404 for limiting the movement of the first slide block 402 is arranged in the first mold core 4, and the tail end of the stop pin 404 is disposed in the second groove 4021.

During operation, after the die is molded, the second slide block seat 5 drives the first slide rod 602 and the second slide rod 603 to move outwards, and the first slide rod 602 and the second slide rod 603 respectively drive the first slide block 402 and the second slide block 403 to move outwards, so that the first slide block 402 and the second slide block 403 are separated from the product. After the side wall of the second groove 4021 contacts the stop pin 404, the first slider 402 stops moving.

In the above design, the stop pin 404 is arranged to limit the first slide block 402 from further outward movement during demolding, so as to prevent the first slide block 402 from separating from the first mold core 4.

Specifically, the method comprises the following steps: as shown in fig. 4, a stopper 405 is disposed on one side of the first mold core 4, and the stopper 405 extends out of the sliding groove 401.

During operation, after the die is molded, the second slide block seat 5 drives the first slide rod 602 and the second slide rod 603 to move outwards, and the first slide rod 602 and the second slide rod 603 respectively drive the first slide block 402 and the second slide block 403 to move outwards, so that the first slide block 402 and the second slide block 403 are separated from the product. When the second slider 403 slides on the slide groove 401 and contacts the stopper 405, the second slider 403 stops moving.

In the above design, the stop 405 can limit the second slide block 403 from further outward movement during demolding, so as to prevent the second slide block 403 from separating from the first mold core 4.

Specifically, the method comprises the following steps: as shown in fig. 1 and 2, a protrusion 702 is disposed on the third slider seat 13, the first mold core 4 is provided with a first half groove 406, the second mold core 6 is provided with a second half groove 604, and after mold assembly, the protrusion 702 is disposed in the first half groove 406 and the second half groove 604.

In practical application, the protrusion 702 of the third mold core 7 is placed in the first half groove 406 and the second half groove 604 during mold closing, and the protrusion 702 of the third mold core 7 is separated from the first half groove 406 and the second half groove 604 during mold releasing.

In the design, the first mold core 4 and the second mold core 6 which are overlapped can be effectively ensured to be in close contact with each other, and relative sliding is not easy to occur.

Specifically, the method comprises the following steps: as shown in fig. 1, four corners of the second mold core 6 are provided with a bump 605, and four corners of the first mold core 4 are provided with a groove adapted to the bump 605.

In practical application, when the mold is closed, the four bumps 605 in the second mold core 6 are all arranged in the grooves at the four corners of the first mold core 4; when the mold is removed, the four bumps 605 of the second mold core 6 are separated from the four grooves of the first mold core 4.

In the design, the accuracy of the first mold core 4 and the second mold core 6 can be ensured during mold closing, and relative sliding is not easy to occur after the first mold core 4 and the second mold core 6 are closed.

Specifically, the method comprises the following steps: as shown in fig. 2, 3 and 4, the thimble plate 10 includes a connection column 101, a first plate 102, a second plate 103 disposed outside the first plate 102, and a third plate 104 disposed outside the second plate 103 and used for connecting with an external driving mechanism, the first plate 102 is provided with through holes for passing first, second and third thimbles, the first, second and third thimbles pass through the first plate 102 and are fixedly connected with the second plate 103, the second plate 103 is provided with a connection column 101, and two ends of the connection column 101 are respectively connected with the second plate 103 and the third plate 104.

When the ejector pin group is in work, the external equipment drives the ejector pin plate 10 to eject the ejector pin group 9, when one or more of a first ejector pin, a second ejector pin or a third ejector pin in the ejector pin group 9 needs to be replaced, the first plate 102 and the second plate 103 are separated, and only unqualified ejector pins are replaced.

In the above design, through setting up No. one dish 102 and No. two dishes 103, can only change among them unqualified thimble when one or more in a thimble, No. two thimbles or No. three thimbles need be changed, compare and only set up No. one dish 102, can make the change of thimble group 9 convenient more and swift.

Specifically, the method comprises the following steps: as shown in fig. 1 and 6, the limiting blocks 2 on both sides of the thimble plate 10 are provided with positioning pins 11 for positioning the thimble plate 10, both sides of the first slider seat 3 close to the limiting blocks 2 are provided with strip-shaped holes 301, the thimble passes through the strip-shaped holes 301 and is placed between the third plate 104 and the second plate 103, and the distance between the third plate 104 and the second plate 103 is greater than the diameter of the positioning pins 11.

When the ejector pin plate 10 is used, when the ejector pin set 9 is ejected, the ejector pin plate 10 can slide between the cross channels, the tail end of the positioning pin 11 extends between the third plate 104 and the second plate 103, when the ejector pin plate 10 moves to the side far away from the first mold core 4, the second plate 103 is in contact with the positioning pin 11, then the ejector pin plate 10 stops moving, and when the ejector pin plate 10 moves to the side far away from the first mold core 4, the third plate 104 is in contact with the positioning pin 11, then the ejector pin plate 10 stops moving.

In the design, the thimble plate 10 can be automatically limited by the positioning pin 11 when the thimble assembly 9 is ejected, and the operation time is saved.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A die casting die for double-side core-pulling type stable stripping comprises a bottom plate (1), wherein four limiting blocks (2) are arranged at four corners of the bottom plate (1), four limiting blocks (2) and the bottom plate (1) form a cross channel, a first die core (4) and a second die core (6) are arranged on two sides of the cross channel relatively, the outer side of the first die core (4) is connected with a first sliding block seat (3), the outer side of the second die core (6) is connected with a second sliding block seat (5), a third die core (7) and a fourth die core (8) are arranged on the other two sides of the cross channel relatively, a third sliding block seat (13) is connected on the outer side of the third die core (7), a fourth sliding block seat (12) is connected on the outer side of the fourth die core (8), and a material injection pipe is arranged between the first die core (4) and the second die core (6),

the method is characterized in that: a first cylinder (701) and a second cylinder (801) which are used for extending into a product are respectively arranged in the third sliding block seat (13) and the fourth sliding block seat (12), two sliding grooves (401) are arranged in the first mold core (4), a first sliding block (402) and a second sliding block (403) are respectively arranged in the two sliding grooves (401) in a sliding manner, the first mold core (4), the second mold core (6), the first cylinder (701), the second cylinder (801), the first sliding block (402) and the second sliding block (403) jointly form a mold cavity for injecting materials during mold closing, the two sliding grooves (401) are symmetrical relative to the mold cavity, two first grooves (601) are arranged in opposite mold cavities in the second mold core (6), the two first grooves (601) are communicated with the mold cavity, the first sliding block (402) and the second sliding block (403) are respectively arranged in a space formed by the two first grooves (601) and the sliding grooves (401) during mold closing, the side wall of the first groove (601) is inclined, a first through hole and a second through hole are formed in the first sliding block (402) and the second sliding block (403) respectively, a first sliding rod (602) and a second sliding rod (603) are obliquely arranged on the second mold core (6) and are arranged in the first through hole and the second through hole respectively, so that the first sliding block (402) and the second sliding block (403) can slide relative to the first sliding rod (602) and the second sliding rod (603) respectively, and the ejection mechanism further comprises an ejection pin group (9) for ejecting the second mold core (6), an injection pipe and a product and an ejection pin disc (10) for ejecting the ejection pin group (9).

2. The die-casting die for the double-side core-pulling type stable stripping as claimed in claim 1, wherein: the thimble group (9) comprises a first thimble used for pushing a product and a second thimble used for pushing an injection pipe.

3. A die-casting die with double-sided core-pulling type stable stripping function as claimed in claim 1, wherein the die-casting die comprises: a second groove (4021) is formed in one side of the first sliding block (402), a stop pin (404) used for limiting the movement of the first sliding block (402) is arranged in the first mold core (4), and the tail end of the stop pin (404) is arranged in the second groove (4021).

4. The die-casting die for the double-side core-pulling type stable stripping as claimed in claim 1, wherein: a stop block (405) is arranged on one side of the first mold core (4), and the stop block (405) extends out of the sliding groove (401).

5. The die-casting die for the double-side core-pulling type stable stripping as claimed in claim 1, wherein: a bulge (702) is arranged on the third mold core (7), a first half groove (406) is arranged on the first mold core (4), a second half groove (604) is arranged on the second mold core (6), and the bulge (702) is arranged in the first half groove (406) and the second half groove (604) after mold closing.

6. The die-casting die for the double-side core-pulling type stable stripping as claimed in claim 1, wherein: the four corners of the second mold core (6) are provided with a convex block (605), and the four corners of the first mold core (4) are provided with a third concave groove (407) matched with the convex block (605).

7. A die-casting die with double-sided core-pulling type stable stripping function as claimed in claim 1, wherein the die-casting die comprises: thimble dish (10) are including spliced pole (101), a dish (102), set up No. two dish (103) in a dish (102) outside and set up No. three dish (104) that are used for being connected with external drive mechanism in No. two dish (103) outsides, a dish (102) is provided with the through-hole that is used for supplying a thimble and No. two thimbles to pass, a thimble and No. two thimbles pass a dish (102) and No. two dish (103) fixed connection, No. two dish (103) outsides is provided with spliced pole (101), spliced pole (101) both ends are connected with No. two dish (103) and No. three dish (104) respectively.

8. The die-casting die for the double-side core-pulling type stable stripping as claimed in claim 1, wherein: stopper (2) of thimble dish (10) both sides all are provided with locating pin (11) that are used for going on fixing a position to thimble dish (10), the both sides that slider seat (3) are close to stopper (2) all are provided with bar hole (301), the thimble passes bar hole (301) and arranges in between No. three dish (104) and No. two dish (103), interval between No. three dish (104) and No. two dish (103) is greater than the diameter of locating pin (11).

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