CN219112854U

CN219112854U - Rotary base die casting die

Info

Publication number: CN219112854U
Application number: CN202223484472.8U
Authority: CN
Inventors: 张日昌; 钟伟周
Original assignee: Shenzhen Huayemei Alloy Technology Co ltd
Current assignee: Shenzhen Huayemei Alloy Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-02
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of die casting dies, in particular to a rotary base die casting die which comprises an upper die holder, a lower die holder, a bottom plate, an upper forming block and a lower forming block, wherein an upper forming cavity for product forming is formed in the upper forming block, an arc-shaped groove is formed in the upper forming cavity, a forming hole is formed in the connecting position of the arc-shaped groove, a movable block is arranged on the lower die holder, a die casting runner is formed in the movable block, a forming column and a forming hole are formed in the periphery of the die casting runner, forming grooves are symmetrically formed in the lower forming block, a die casting runner is formed in the concave surface of the forming grooves, a cylindrical member and a forming hole are arranged between the two forming grooves, the movable block is matched with the forming grooves, a lower forming cavity is formed in the position of the lower forming block on one side of a pouring pipe, the workpiece is easy to die casting, the die casting is easy to form, the die is easy to release, and the die casting efficiency is improved.

Description

Rotary base die casting die

Technical Field

The utility model relates to the technical field of die casting dies, in particular to a rotary base die casting die.

Background

The die casting die is a tool for casting metal parts, molten metal is cast and filled into a cavity of the die at a low speed or a high speed, a required product is obtained along with the pressurized forging of the molten metal in the cooling process, the surface temperature of the die casting die is important for manufacturing die castings, the technical requirements on the surface treatment of the die casting die are high, the die casting die is important technological equipment in die casting production, the smooth production is realized, and the quality of castings is important.

The rotary base is a very common part, the base is often installed on a wall surface, a plastic supporting part is arranged inside the rotary base for placing articles, but in the forming process, the design requirement of a die is higher, the die stripping is also difficult, the die stripping of products after die casting is difficult in the prior art, the design of the rotary base die is complex, the quick die stripping cannot be realized, and the forming and post-treatment of the products are greatly influenced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the rotary base die-casting die which is easy to die-cast and mold, and easy to mold out, reduces the production cost and improves the mold-releasing and die-casting efficiency.

The utility model solves the technical problems by adopting the following scheme: the utility model provides a rotation type base die casting die, includes upper die base, die holder, bottom plate, goes up shaping piece and lower shaping piece, upward be equipped with the shaping chamber that is used for product shaping on the shaping piece, it is equipped with the arc recess to go up the shaping chamber, the inside shaping hole that is equipped with of arc recess, install the movable block on the die holder, be equipped with the die-casting runner on the movable block, be equipped with shaping post spare and shaping hole around the die-casting runner, lower shaping piece symmetry is equipped with the shaping recess, shaping recess concave surface department is equipped with the die-casting runner, two be equipped with the cylindricality component between the shaping recess, movable block and shaping recess looks adaptation, movable block and shaping recess compound die form down the shaping die cavity, lower shaping piece is close to watering pipe one side and is equipped with the cylindricality recess with watering pipe surface looks adaptation.

Further, a core pulling mechanism is arranged on the lower die holder, an inclined guide post, a locking block and a sliding block are arranged on the core pulling mechanism, an inclined guide post used for guiding is arranged on the sliding block, an installation block is arranged on the inclined guide post, one end of the inclined guide post is arranged on the upper die holder through the installation block, the other end of the inclined guide post is inserted on the sliding block, a bolt is arranged on the locking block, one end of the bolt is inserted into the locking block, an installation hole which is matched with the bolt in size is formed in the upper die holder, and the other end of the bolt is embedded in the installation hole.

Furthermore, the lower die holder is provided with a pouring pipe for conveying molten metal, the upper end of the pouring pipe is provided with a pouring gate, and the pouring gate penetrates through the upper die holder and is flush with the end face of the upper die holder.

Further, an arc-shaped groove matched with the columnar pouring tube is formed in one side, close to the pouring tube, of the upper forming block, a positioning lug is arranged on the upper forming block, a positioning groove is formed in the position, corresponding to the upper forming block, of the lower forming block, and the positioning lug is embedded in the positioning groove.

Further, a return pin is arranged on the locking block, the return pin is inserted on the locking block and penetrates through the locking hole, and a return spring is arranged on the return pin positioned at the outer side end of the locking block.

Further, be equipped with push rod fixed plate and push rod backup pad on the bottom plate, the push rod fixed plate is installed in push rod backup pad top, install four reset levers and a plurality of thimble that are used for ejecting the goods on the push rod fixed plate, reset lever cartridge is on the push rod fixed plate.

Further, the bottom plate is provided with support legs, the support legs are provided with guide posts, one ends of the guide posts are provided with guide sleeves, one ends of the guide posts, which are provided with the guide sleeves, penetrate through the lower die holder and the upper die holder, and the upper parts of the guide posts are level to the upper end surface of the upper die holder.

Furthermore, one end of the thimble is inserted on the push rod fixing plate, and the other end of the thimble is inserted into the lower molding cavity.

Compared with the prior art, the utility model has the beneficial effects that: according to the die disclosed by the utility model, by installing the two core pulling mechanisms, when die casting is completed, the sliding block drives the locking blocks to move to two sides through the guiding action of the inclined guide posts to strip the product, and the die is provided with the ejector pins, so that the ejector pins can eject the product in the vertical direction, the stripping speed is higher, and the product precision is improved; the utility model uses a die casting process, the size of the casting manufactured by the die casting process is more accurate, the secondary processing can be reduced or avoided, the production speed is high, and the high-fluidity metal can be cast.

The foregoing description is only an overview of the technical solution of the present utility model, and may be implemented according to the content of the specification in order to make the technical means of the present utility model more clearly understood, and in order to make the above and other objects, features and advantages of the present utility model more clearly understood, the following specific preferred embodiment is given by way of the following detailed description in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic view of part of the structure of the components of the present embodiment;

FIG. 3 is a schematic diagram of the upper molding block structure of the present embodiment;

fig. 4 is a schematic structural view of a core pulling mechanism according to the present embodiment;

FIG. 5 is a schematic cross-sectional view of the embodiment

FIG. 6 is another schematic cross-sectional view of the present embodiment;

FIG. 7 is a schematic view of a portion of the support member of the present embodiment;

FIG. 8 is a schematic diagram of a movable block of the present embodiment;

fig. 9 is a schematic diagram of the structure of the lower molding block of the present embodiment.

In the figure: 1. an upper die holder; 11. a mounting groove; 12. an upper molding block; 121. an upper molding cavity; 122. positioning the protruding blocks; 2. a lower die holder; 21. a core pulling mechanism; 211. oblique guide posts; 2111. a mounting block; 212. a locking block; 2121. a plug pin; 2122. a return pin; 2123. a return spring; 213. a slide block; 22. a movable block; 221. forming a column; 23. a lower molding block; 231. a lower molding cavity; 232. forming a groove; 2321. a columnar member; 233. a positioning groove; 3. a bottom plate; 31. a push rod fixing plate; 311. a reset lever; 312. a plurality of ejector pins; 32. a push rod support plate; 33. a support leg; 331. a guide post; 332. guide sleeve; 4. casting a pipe; 41. a gate; 42. an arc-shaped groove; 5. a cylindrical recess; 6. a die casting runner; 7. and forming holes.

Detailed Description

In order that the utility model may be more readily understood, a further description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

It should be noted that, as used herein, the terms "center," "upper," "lower," "front," "rear," "left," "right," "top," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Unless otherwise indicated, the meaning of "a plurality" is two or more.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1 to 4 and 8, a rotary base die casting die comprises an upper die holder 1, a lower die holder 2 and a bottom plate 3, wherein the upper die holder 1 is provided with a mounting groove 11, an upper molding block 12 is arranged in the mounting groove 11, an upper molding cavity 121 for product molding is arranged on the upper molding block 12, an arc-shaped groove 42 is arranged on the upper molding cavity 121, a molding hole 7 is arranged at the connecting position of the arc-shaped groove 42, a core pulling mechanism 21 convenient for demolding and a lower molding block 23 for product molding are arranged on the lower die holder 2, a molding groove 232 is arranged on one side of the lower molding block 23 close to a sliding block 213, a die casting runner 6 is arranged at the concave surface of the molding groove 232, metal liquid enters the device for die casting through the die casting runner 6, a movable block 22 is matched with the molding groove 232, a cylindrical member 2321 and a molding hole 7 are arranged between the two molding grooves 232, the movable block 22 and the molding groove 232 are combined to form a lower molding cavity 231, the movable block 22 is close to one side of the lower forming block 23 and die-cast to form an important component on the upper side of a workpiece, the core pulling mechanism 21 is arranged on two symmetrical sides of the lower die holder 2, the core pulling mechanism 21 is provided with an inclined guide post 211, a locking block 212 and a sliding block 213, the upper part of the inclined guide post 211 is connected with a mounting block 2111, one end of the inclined guide post 211 is arranged on the upper die holder 1 through the mounting block 2111, the other end of the inclined guide post 211 is inserted on the sliding block 213, the two sides of the workpiece are demolded through the guiding of the inclined guide post 211 by the sliding block 213, in the embodiment, the locking block 212 is tightly attached to the sliding block 213 and arranged on the outer side of the core pulling mechanism 21, so that the die cannot slide during operation, the die casting is ensured to normally run, the movable block 22 is arranged in the lower die holder 2, the movable block 22 is arranged on one end of the two sliding blocks 213 which are close to each other during the movement of the lower die holder 2, the movable block 22 is provided with a die-casting runner 6, and a molding column 221 and a molding hole 7 are arranged around the die-casting runner 6, and in this embodiment, through the die-casting mold of the upper molding cavity 121 and the lower molding cavity 231, the metal is hydraulically pressed into the molding cavity to perform cooling molding treatment, and finally the target workpiece is obtained.

As shown in fig. 4, in this embodiment, a latch 2121 is installed on the lock block, one end of the latch 2121 penetrates into the lock block to be installed inside the lock block, and an installation hole corresponding to the size of the latch 2121 is provided at a position corresponding to the upper die holder 1, the other end of the latch 2121 is embedded into the installation hole of the upper die holder 1, and the latch 2121 can assist the lock block to move, so that the demolding process is easier.

As shown in fig. 2, in the present embodiment, a pouring tube 4 for conveying molten metal is mounted on the lower die holder 2, a gate 41 at the upper end of the pouring tube 4 penetrates through the upper die holder 1, the upper portion of the gate 41 is flush with the end face of the upper die holder 1, the molten metal is pressed in from the gate 41 and conveyed into a molding cavity through the pouring tube 4, the molten metal is filled on the die, and cooling molding is performed to obtain a product.

As shown in fig. 3 and 9, in this embodiment, the side of the upper molding block 12 close to the pouring tube 4 is provided with an arc-shaped groove 42 adapted to the cylindrical pouring tube 4, four corners of the upper molding block 12 are provided with positioning protrusions 122, four corners of the lower molding block 23 corresponding to the upper molding block 12 are provided with positioning grooves 233, the positioning protrusions 122 can be embedded in the positioning grooves 233, and the upper molding block 12 and the lower molding block 23 can be assembled with the positioning grooves 233 through the positioning protrusions 122, so that the sizes of the products are more accurate.

As shown in fig. 2 and 9, in this embodiment, a cylindrical groove 5 adapted to the surface of the pouring tube 4 is provided on one side of the lower molding block 23 near the pouring tube 4, two grooves for die casting of the product are provided on the side of the lower molding block 23, and the two grooves on the lower molding block 23 are close to two movable blocks 22, and when the movable blocks 22 are clamped, the lower molding block 23 is pressed to perform die casting of the product, the groove portion of the lower molding block 23 is a side structure of the product, and after the molten metal is pressed in, the core pulling mechanism 21 and the movable blocks 22 move to the position of the lower molding cavity 231, and then cooling molding is performed.

As shown in fig. 4 and 6, in this embodiment, a return pin 2122 is disposed on the lock block, the return pin 2122 is inserted on the lock block, a return spring 2123 is disposed on the return pin 2122 at the outer end of the lock block, when the workpiece is completely demolded, the core pulling mechanism 21 is moved outwards to completely separate the workpiece, and after the core pulling mechanism 21 is moved outwards, the return pin 2122 and the return spring 2123 act to restore to the original position, so that the next die casting operation is continuously prepared.

As shown in fig. 1 and 5, in this embodiment, a push rod fixing plate 31 and a push rod supporting plate 32 are disposed on a bottom plate 3, the push rod fixing plate 31 is mounted above the push rod supporting plate 32, four reset rods 311 and a plurality of ejector pins 312 are mounted on the push rod fixing plate 31, the reset rods 311 of this embodiment are inserted on the push rod fixing plate 31, one ends of the ejector pins are inserted on the push rod fixing plate 31, the other ends of the ejector pins are inserted into a lower molding cavity 231 for ejecting a product, the mounting positions of the ejector pins are the middle positions of the lower molding cavity 231, the distribution pressure of the ejector pins is balanced, when the product is demolded, the ejector pins give a certain pressure in the vertical direction, the product is demolded in the vertical direction more easily, and the ejector pins can adjust positions according to different shapes of the product.

As shown in fig. 7, in this embodiment, two supporting legs 33 are disposed on the bottom plate 3, two guide posts 331 are respectively mounted on the two supporting legs 33, a guide sleeve 332 is disposed at one end of the guide post 331, the guide post 331 with one end of the guide sleeve 332 passes through the lower die holder 2 and the upper die holder 1 to be mounted, the upper portion of the guide post 331 is flush with the upper end surface of the upper die holder 1, the guide post 331 and the guide sleeve 332 have better wear resistance, and the guide post 331 plays a guiding role in the die, so that the die can be more accurately closed during operation, and the accuracy is improved.

As shown in fig. 2, in this embodiment, cooling pipes are installed in the upper molding block 12 and the lower molding block 23, and the cooling pipes are installed around the upper molding block 12 and the lower molding block 23 in a ring shape, so that the space area of the cooling pipes contacted after the metal hydraulic pressure enters the molding cavity is larger, the periphery of the product can be cooled simultaneously, the cooling effect is better, the speed is faster, the molding of the product is easy, and the molding efficiency is improved.

The above examples are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and modifications made by those skilled in the art on the basis of the present utility model are included in the scope of the present utility model.

Claims

1. The utility model provides a rotation type base die casting die, includes shaping piece (12) and lower shaping piece (23) on upper die base (1), die holder (2), bottom plate (3), its characterized in that: the upper molding cavity (121) for product molding is arranged on the upper molding block (12), the upper molding cavity (121) is provided with an arc-shaped groove (42), a molding hole (7) is formed in the arc-shaped groove (42), a movable block (22) is arranged on the lower die holder (2), a die casting runner (6) is arranged on the movable block (22), a molding column (221) and a molding hole (7) are arranged around the die casting runner (6), molding grooves (232) are symmetrically arranged on the lower molding block (23), die casting runners (6) are arranged at concave surfaces of the molding grooves (232), cylindrical members (2321) are arranged between the two molding grooves (232), the movable block (22) is matched with the molding grooves (232), the movable block (22) and the molding grooves (232) are clamped to form a lower molding cavity (231), and a cylindrical groove (5) matched with the surface of a casting pipe (4) is arranged on one side of the lower molding block (23) close to the casting pipe (4).

2. A rotary base die casting mold as defined in claim 1, wherein: install core pulling mechanism (21) on die holder (2), be equipped with oblique guide pillar (211), latch segment (212) and slider (213) on core pulling mechanism (21), be equipped with on slider (213) oblique guide pillar (211) that are used for the direction, be equipped with installation piece (2111) on oblique guide pillar (211), install on upper die holder (1) oblique guide pillar (211) one end through installation piece (2111), the other end of oblique guide pillar (211) alternates on slider (213), install bolt (2121) on latch segment (212), in bolt (2121) one end is pegged graft to latch segment (212), be equipped with the mounting hole that suits with bolt (2121) size on upper die holder (1), the other end gomphosis of bolt (2121) is in the mounting hole.

3. A rotary base die casting mold as defined in claim 2, wherein: the pouring device is characterized in that the lower die holder (2) is provided with a pouring pipe (4) for conveying molten metal, the upper end of the pouring pipe (4) is provided with a pouring gate (41), and the pouring gate (41) penetrates through the upper die holder (1) and is flush with the end face of the upper die holder (1).

4. A rotary base die casting mold according to claim 3, characterized in that: the upper molding block (12) is provided with an arc-shaped groove (42) which is matched with the cylindrical pouring tube (4) on one side close to the pouring tube (4), the upper molding block (12) is provided with a positioning lug (122), the position of the lower molding block (23) corresponding to the upper molding block (12) is provided with a positioning groove (233), and the positioning lug (122) is embedded in the positioning groove (233).

5. The rotary base die casting mold as defined in claim 4, wherein: the locking block is provided with a return pin (2122), the return pin (2122) is inserted on the locking block and penetrates through the locking hole, and the return pin (2122) at the outer side end of the locking block is provided with a return spring (2123).

6. The rotary base die casting mold as defined in claim 5, wherein: be equipped with push rod fixed plate (31) and push rod backup pad (32) on bottom plate (3), push rod fixed plate (31) are installed in push rod backup pad (32) top, install four reset rod (311) and a plurality of thimble (312) that are used for ejecting the goods on push rod fixed plate (31), reset rod (311) cartridge is on push rod fixed plate (31).

7. The rotary base die casting mold as defined in claim 6, wherein: be equipped with stabilizer blade (33) on bottom plate (3), guide pillar (331) are installed to stabilizer blade (33), guide pin bushing (332) are installed to guide pillar (331) one end, the one end of guide pin bushing (332) is installed to guide pillar (331) passes die holder (2) and upper die holder (1) to guide pillar (331) upper portion and upper end surface parallel and level of upper die holder (1).

8. The rotary base die casting mold as defined in claim 7, wherein: one end of the thimble (312) is inserted on the push rod fixing plate (31), and the other end of the thimble (312) is inserted into the lower forming cavity (231).