CN217412406U - Die-casting die - Google Patents

Abstract

The embodiment of the application provides a die casting die, including die holder, stopper, a slider seat and a mould benevolence, No. two slider seats and No. two mould benevolence, No. three slider seats and No. three mould benevolence, No. four slider seats and No. four mould benevolence. A third sliding block and a fourth sliding block which extend into a product are arranged in the third sliding block seat and the fourth sliding block seat respectively. A first sliding block and a second sliding block are arranged on the first mold core, and the first mold core, the second mold core, the first sliding block, the second sliding block, the third sliding block and the fourth sliding block form a cavity for injecting materials together. And a thimble group and a thimble plate for jacking the thimble group are arranged in the first slide block seat. The thimble group includes that at least one is used for pushing into a mould benevolence in with a thimble of product contact, and at least one is used for pushing into a mould benevolence in with mould contact No. two thimbles and at least one is used for pushing into a mould benevolence in with No. three thimbles of notes charge pipe contact. The advantages are that: the product can be quickly separated from the die, and the surface flaw of the product is not easy to cause.

Description

Die-casting die

Technical Field

The utility model relates to a mould field specifically is a die casting die.

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. Because current die casting die is owing to can not be quick when carrying out the top to the product and send the fashioned product separately, inefficiency under the condition of mass production, and the product is unfavorable for the smooth mould that removes of product to the simple top of sending with an thimble, causes product surface flaw.

In view of the above, it is necessary to provide a new die casting mold.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of die casting die has effectively solved current die casting die efficiency low, be unfavorable for the product completely to deviate from the defect of mould when producing.

The utility model adopts the technical proposal that:

the die-casting die comprises a die holder, wherein the four corners of the die holder are respectively provided with a limiting block, the limiting blocks and the die holder form a cross channel, the transverse layers on the two sides of the cross channel are provided with a first sliding block seat, a first die core, a second die core and a second sliding block seat which are connected with each other, the first die core and the second die core are located in the center of the cross channel during die assembly, the other two sides of the center of the cross channel are respectively provided with a third die core and a third sliding block seat which are connected with each other, the fourth die core and the fourth sliding block seat, and a material injection pipe is arranged between the first die core and the second die core.

A third sliding block and a fourth sliding block which stretch into a product are arranged in the third sliding block seat and the fourth sliding block seat respectively, a first sliding block and a second sliding block are arranged on the first mold core, and a first mold core, a second mold core, a first sliding block, a second sliding block, a third sliding block and a fourth sliding block form a cavity for injecting materials together during mold closing. The first sliding block and the second sliding block are arranged in a mirror image mode relative to the cavity. The ejector pin group comprises at least one ejector pin used for being ejected into a first mold core and being in contact with a product, at least one second ejector pin used for being ejected into the first mold core and being in contact with a second mold core, and at least one third ejector pin used for being ejected into the first mold core and being in contact with a material injection pipe.

And further: the first ejector pins are four and are symmetrically arranged on two sides of the product.

Further: the thimble dish includes the spliced pole, No. one dish, sets up No. two dishes in the dish outside and set up No. three dishes that are used for being connected with external drive mechanism in No. two dishes outsides, No. one dish is provided with the through-hole that is used for supplying a thimble, No. two thimbles and No. three thimbles to pass, No. one thimble, No. two thimbles and No. three thimbles wear many dishes and offset with No. two dishes, 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 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 take-up housing is close to the stopper all are provided with the bar through-hole, the thimble passes the bar through-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.

Further: no. three mould benevolence is close to No. three sliding block seat one side and is provided with the step No. one, No. three the one end that the slider is close to No. three sliding block seat is provided with the arch No. one with the step adaptation, No. four mould benevolence is close to No. four sliding block seat one side and is provided with the step No. two, No. two the one end that the slider is close to No. four sliding block seats is provided with the arch No. two with the step adaptation No. two.

Further: a mould benevolence and the relative die cavity of No. two die holders are provided with the recess, a slider and No. two sliders all are provided with the through-hole, be provided with the connecting block that is used for connecting a mould benevolence and No. two mould benevolence on the through-hole, the connecting block passes the through-hole both ends and arranges in the recess of a mould benevolence and No. two mould benevolence respectively, the recess is greater than the through-hole and makes the relative recess motion of connecting block.

Further: a plurality of semicircular grooves are formed in the side walls of the first sliding block and the second sliding block, and a through hole and a stop pin which is abutted to the semicircular grooves are formed in the first die core in a penetrating mode.

The utility model has the advantages that:

1. through set up a slider, No. two sliders, No. three sliders and No. four sliders in a mould benevolence, No. two mould benevolence, No. three mould benevolence, No. four mould benevolence respectively, set up the thimble group that can be used for simultaneously jacking simultaneously to a mould benevolence, product, notes material pipe in a slider seat, can make the product break away from the mould fast to be difficult for causing product surface flaw.

2. Four first ejector pins are symmetrically arranged on two sides of a product, so that the product is stably stressed when being ejected.

3. Through set up the step on No. three mould benevolence, set up the arch No. one with the step adaptation on No. three sliders, set up the step No. two on No. four mould benevolence, set up the arch No. two with the step adaptation on No. four sliders, can guarantee the slip between No. three slider and No. three mould benevolence and the slip of No. four mould benevolence and No. four sliders can carry out the screens automatically.

Drawings

Fig. 1 is a cross-sectional view of a die casting mold of an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of a die casting mold according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a first slide block seat, a first mold core, a second mold core, a third mold core, and a fourth mold core according to an embodiment of the present disclosure.

Fig. 4 is an exploded view of fig. 3.

Fig. 5 is an exploded view of a first mold core, a fourth mold core, and a fourth slide of a die casting mold according to an embodiment of the present application.

Fig. 6 is a schematic view of a first mold insert and a second mold insert of the present application.

Fig. 7 is a sectional view taken along the direction of fig. 6A-a.

Labeled as: 1. a die holder; 2. a limiting block; 3. a first slider seat; 4. a first mold core; 5. a second mold core; 6. a second slider seat; 7. a third mold core; 8. a fourth mold core; 9. a third slider seat; 10. a fourth slider seat; 11. a material injection pipe; 12. a thimble group; 13. a thimble plate; 14. a first sliding block; 15. a second sliding block; 16. a third sliding block; 17. a fourth slider; 18. positioning pins; 19. a semicircular groove; 20. a retaining pin; 301. a strip-shaped through hole; 121. a first thimble; 122. a second thimble; 123. a third thimble; 131. a first dial; 132. a second disc; 133. a third tray; 134. connecting columns; 701. A first step; 801. a second step; 161. a first bump; 171. a second bump; 401. a groove; 402. and (4) connecting the blocks.

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 invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. 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. 5, and fig. 6, the die casting mold provided in the embodiment of the present application structurally includes a mold base 1, four corners of the mold base 1 are provided with one limiting block 2, and the four limiting blocks 2 and the mold base 1 form a cross channel. The transverse layers of the two sides of the cross channel are provided with a first slide block seat 3, a first mold core 4, a second mold core 5 and a second slide block seat 6 which are connected with each other, the first mold core 4 and the second mold core 5 are positioned in the center of the cross channel during mold closing, the other two sides of the center of the cross channel are respectively provided with a third mold core 7 and a third slide block seat 9 which are connected with each other, a fourth mold core 8 and a fourth slide block seat 10, and a material injection pipe 11 is arranged between the first mold core 4 and the second mold core 5.

A third slider 16 and a fourth slider 17 which extend into the product are respectively arranged in the third slider seat 9 and the fourth slider seat 10, the first mold core 4 is provided with a first slide block 14 and a second slide block 15, the first mold core 4, the second mold core 5, the first slide block 14, the second slide block 15, the third slide block 16 and the fourth slide block 17 form a cavity for injecting materials together during mold closing, the first slide block 14 and the second slide block 15 are arranged in a mirror image manner relative to the cavity, a thimble group 12 and a thimble tray 13 for jacking the thimble group 12 are arranged in the first slide block seat 3, the thimble group 12 comprises at least one first thimble 121 for being pushed into the first mold core 4 to be contacted with a product, at least one second thimble 122 for being pushed into the first mold core 4 to be contacted with the second mold core 5, and at least one third thimble 123 for being pushed into the first mold core 4 to be contacted with the material injection pipe 11.

During operation, the first slide block seat 3 and the second slide block seat 6 respectively drive the first mold core 4 and the second mold core 5 towards the center of the cross channel, so that the first mold core 4 and the second mold core 5 are tightly attached, and meanwhile, the first slide block 14 and the second slide block 15 extend into the mold cavity. Then, the third slide block seat 9 and the fourth slide block 17 respectively drive the third mold core 7 and the fourth mold core 8, so that the first mold core 4 and the second mold core 5 are in a clamping state of the third mold core 7 and the fourth mold core 8, and meanwhile, the third slide block 16 extends and the fourth slide block 17 extends into the first mold core 4. The metal liquid is injected into the cavity through the material injection pipe 11, after a product in the cavity is cold cut, the third slider seat 9 and the fourth slider seat 10 respectively pull the third mold core 7 and the fourth mold core 8 to the outer side, so that the third slider 16 and the fourth slider 17 are separated from the product, the first slider seat 3 and the second slider seat 6 respectively pull the first mold core 4 and the second mold core 5, the first mold core 4 and the second mold core 5 are separated from each other, and the first slider 14 and the second slider 15 are separated from the product. Meanwhile, the ejector pin disc 13 ejects a first ejector pin 121 to eject a product, a second ejector pin 122 ejects a second mold core 5, and a third ejector pin 123 ejects an injection molding pipe.

In the design, the first slide block 14, the second slide block 15, the third slide block 16 and the fourth slide block 17 are respectively arranged in the first mold core 4, the second mold core 5, the third mold core 7 and the fourth mold core 8, and the ejector pin group which can be simultaneously used for simultaneously ejecting the first mold core 4, a product and the injection pipe 11 is arranged in the first slide block seat 3, so that the product can be quickly separated from the mold, and the surface defect of the product is not easily caused.

Specifically, the method comprises the following steps: as shown in fig. 4, the number one of the thimbles 121 is four, and the thimbles are symmetrically arranged on two sides of the product.

The design can achieve the purpose of stably separating from the product by simultaneously carrying out jacking on two sides of the product.

Specifically, the method comprises the following steps: as shown in fig. 1 and 4, the thimble plate 13 includes a connection column 134, a first plate 131, a second plate 132 disposed outside the first plate 131, and a third plate 133 disposed outside the second plate 132 and used for connecting with an external driving mechanism, the first plate 131 is provided with a through hole for passing a first thimble 121, a second thimble 122, and a third thimble 123, the first thimble 121, the second thimble 122, and the third thimble 123 pass through the first plate 131 to abut against the second plate 132, a connection column 134 is disposed outside the second plate 132, and two ends of the connection column 134 are respectively connected with the second plate 132 and the third plate 133.

In practical application, the external driving mechanism drives the thimble group 12 to be ejected by the thimble plate 13, and when one or more of the first thimble 121, the second thimble 122 or the third thimble 123 in the thimble group 12 needs to be replaced, the first plate 131 and the second plate 132 are separated, and only the unqualified thimble is replaced.

In the above design, by providing the first tray 131 and the second tray 132, when one or more of the first thimble 121, the second thimble 122, or the third thimble 123 needs to be replaced, only the unqualified thimble therein is replaced, and compared with the first tray 131, the replacement of the thimble group 12 is more convenient and faster.

Specifically, the method comprises the following steps: as shown in fig. 4, the positioning pins 18 for positioning the thimble plate 13 are disposed on the two side limiting blocks 2 of the thimble plate 13, the strip-shaped through holes 301 are disposed on the two sides of the first slider seat 3 close to the limiting blocks 2, the thimble passes through the strip-shaped through holes 301 and is disposed between the third plate 133 and the second plate 132, and the distance between the third plate 133 and the second plate 132 is greater than the diameter of the positioning pins 18.

When the ejector pin disc 13 is used for ejecting the ejector pin group 12, the ejector pin disc 13 can slide between the cross channels, the tail end of the positioning pin 18 extends into a space between the third disc 133 and the second disc 132, when the ejector pin disc 13 moves to the side far away from the first mold core 4, the second disc 132 is in contact with the positioning pin 18, then the ejector pin disc 13 stops moving, and when the ejector pin disc 13 moves to the side far away from the first mold core 4, the third disc 133 is in contact with the positioning pin 18, then the ejector pin disc 13 stops moving.

In the design, the thimble plate 13 can be automatically limited by the positioning pin 18 when the thimble assembly 12 is ejected, and the operation time is saved.

Specifically, the method comprises the following steps: as shown in fig. 4 and 5, a first step 701 is disposed on a side of the third mold core 7 close to the third slide seat 9, a first protrusion 161 adapted to the first step 701 is disposed on a side of the third slide 16 close to the third slide seat 9, a second step 801 is disposed on a side of the fourth mold core 8 close to the fourth slide seat 10, and a second protrusion 171 adapted to the second step 801 is disposed on a side of the second slide 15 close to the fourth slide seat 10.

When the first boss 161 is matched with the first step 701 in operation, the third slide block 16 stops moving towards the first die core 4; when the second protrusion 171 is engaged with the second step 801, the fourth slide 17 stops moving toward the first mold core 4.

In the above design, the first step 701, the second step 801, the first protrusion 161 and the second protrusion 171 are provided, so that the third slider 16 and the fourth slider 17 can be automatically clamped when moving in the cavity direction.

Specifically, the method comprises the following steps: as shown in fig. 4 and 5, a groove 401 is formed in the first mold core 4 and the second mold core 5 relative to the cavity, through holes are formed in the first slide block 14 and the second slide block 15, connecting blocks 402 for connecting the first mold core 4 and the second mold core 5 are arranged on the through holes, the connecting blocks 402 penetrate through two ends of the through holes and are respectively arranged in the grooves 401 of the first mold core 4 and the second mold core 5, and the grooves 401 are larger than the through holes so that the connecting blocks 402 can move relative to the grooves 401.

In operation, when the first sliding block 14 and the second sliding block 15 move, two ends of the connecting block 402 are always positioned in the groove 401.

In the above design, the first mold core 4 and the second mold core 5 are provided with the grooves 401, so that the first sliding block 14 and the second sliding block 15 are not easy to fall off from the first mold core 4 during movement through the cooperation of the grooves 401 and the connecting blocks 402.

Specifically, the method comprises the following steps: as shown in fig. 3 and 4, the side walls of the first slide block 14 and the second slide block 15 are provided with a plurality of semicircular grooves 19, and the first mold core 4 is provided with a through hole and a stop pin 20 which passes through and abuts against the semicircular grooves 19.

In the design, the stop pin 20 abuts against the semi-circular groove 19, so that the first sliding block 14 and the second sliding block 15 are more stable during pouring.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

1. A die-casting die comprises a die holder (1), wherein four corners of the die holder (1) are respectively provided with a limiting block (2), the four limiting blocks (2) and the die holder (1) form a cross channel, a first die core (4) and a second die core (5) are oppositely arranged on two sides of the center of the cross channel, 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 (5) is connected with a second sliding block seat (6), the first die core (4) and the second die core (5) are positioned in the center of the cross channel during die assembly, the other two sides of the center of the cross channel are oppositely provided with a third die core (7) and a fourth die core (8), the outer side of the third die core (7) is connected with a third sliding block seat (9), the fourth die core (8) is connected with a fourth sliding block seat (10), a material injection pipe (11) is arranged between the first die core (4) and the second die core (5),

the method is characterized in that: the ejector pin structure is characterized in that a third sliding block (16) and a fourth sliding block (17) extending into a product are arranged in the third sliding block seat (9) and the fourth sliding block seat (10) respectively, a first sliding block (14) and a second sliding block (15) are arranged on the first mold core (4), the second mold core (5), the first sliding block (14), the second sliding block (15), the third sliding block (16) and the fourth sliding block (17) jointly form a cavity for injecting materials during mold closing, the first sliding block (14) and the second sliding block (15) are arranged in a mirror image mode relative to the cavity, an ejector pin group (12) and an ejector pin disc (13) used for ejecting the ejector pin group (12) are arranged in the first sliding block seat (3), the ejector pin group (12) comprises at least one first ejector pin (121) used for ejecting into the first mold core (4) to contact with the product, and at least one ejector pin (122) used for ejecting into the first mold core (4) to contact with the second mold core (5) and at least one ejector pin (121) used for ejecting at least one ejector pin A third thimble (123) which is inserted into the first mold core (4) and is contacted with the material injection pipe (11).

2. The die casting mold of claim 1, wherein: the first ejector pins (121) are four and are symmetrically arranged on two sides of the product.

3. The die casting mold of claim 1, wherein: thimble dish (13) are including spliced pole (134), No. one dish (131), set up No. two dish (132) in a dish (131) outside and set up No. three dish (133) that are used for being connected with external drive mechanism in No. two dish (132) outsides, a dish (131) are provided with the through-hole that is used for supplying a thimble (121), No. two thimbles (122) and No. three thimbles (123) to pass, a plurality of a dish (131) and No. two dish (132) fixed connection are worn to a thimble (121), No. two thimbles (122) and No. three thimbles (123), still include spliced pole (134), spliced pole (134) both ends are connected with No. two dish (132) and No. three dish (133) respectively.

4. The die casting mold of claim 1, wherein: stopper (2) of thimble dish (13) both sides all are provided with locating pin (18) that are used for fixing a position thimble dish (13), the both sides that slider seat (3) are close to stopper (2) all are provided with bar through-hole (301), locating pin (18) pass bar through-hole (301) and arrange in between No. three dish (133) and No. two dish (132), interval between No. three dish (133) and No. two dish (132) is greater than the diameter of locating pin (18).

5. The die casting mold of claim 1, wherein: no. three mould benevolence (7) are close to No. three slider seat (9) one side and are provided with step (701) No. one, No. three slider (16) are close to No. three slider seat (9) one end be provided with a protruding (161) of step (701) adaptation No. one, No. four mould benevolence (8) are close to No. four slider seat (10) one side and are provided with No. two steps (801), No. two slider (15) are close to No. four slider seat (10) one end be provided with No. two protruding (171) of No. two steps (801) adaptation.

6. The die casting mold of claim 1, wherein: the first mold core (4) and the second mold base (1) are provided with grooves (401) relative to the cavity, the first sliding block (14) and the second sliding block (15) are provided with through holes, connecting blocks (402) used for connecting the first mold core (4) and the second mold core (5) are arranged on the through holes, the connecting blocks (402) penetrate through the two ends of the through holes and are respectively arranged in the grooves (401) of the first mold core (4) and the second mold core (5), and the grooves (401) are larger than the through holes so that the connecting blocks (402) can move relative to the grooves (401).

7. The die casting mold of claim 1, wherein: a plurality of semicircular grooves (19) are formed in the side walls of the first sliding block (14) and the second sliding block (15), and a through hole and a stop pin (20) which is abutted to the semicircular grooves (19) in a penetrating mode are formed in the first mold core (4).

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