CN214867162U

CN214867162U - A new type of three-plate die-casting mold structure

Info

Publication number: CN214867162U
Application number: CN202120066734.5U
Authority: CN
Inventors: 毛敏
Original assignee: Shanxi Changdasheng Precision Casting Co ltd
Current assignee: Shanxi Changdasheng Precision Casting Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-11-26
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a novel three-plate die-casting mold structure, which relates to the technical field of die-casting molds. A die-casting plate is fixedly installed above the mold. The utility model changes the traditional two-plate die-casting die into a three-plate die-casting die, increases the middle die penetrating through the cavity, and at the same time increases the fixed lock. When the die needs to be replaced, it is only necessary to open the fixed lock and replace the middle die, avoiding the disassembly of nuts and bolts. To replace the lower mold, the disassembly and replacement of the mold is simpler and easier to operate. A water-cooling plate is added to the upper surface of the lower mold, which solves the problem of long cooling time of the mold in the natural state. The water-cooling plate can cool the mold cavity in real time during processing. , which improves the cooling efficiency of the mold, and also better controls the demoulding time and increases the success rate of demoulding.

Description

Novel three board die casting die structure

Technical Field

The utility model relates to a die casting die relates to die casting die technical field, concretely relates to novel three board die casting die structure.

Background

The die casting die is a tool for casting metal parts, a tool for completing die casting process on a special die casting die forging machine, the basic process of die casting is that molten metal is cast at low speed or high speed and filled into a die cavity of the die, the die is provided with a movable cavity surface, and the die is pressed and forged along with the cooling process of the molten metal, thereby not only eliminating the defects of shrinkage cavity and shrinkage porosity of a blank, but also enabling the internal structure of the blank to reach broken crystal grains in a forging state. The following problems exist in the prior art:

1. the existing die-casting die is a two-plate die-casting die, and the die is fixed in a bolt fixing mode, so that the die is inconvenient to disassemble during installation and replacement;

2. the die-casting die needs to be rapidly cooled and formed after die-casting, and the existing die-casting die adopts a natural cooling and forming mode during cooling, so that the cooling time is long and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel three-plate die-casting die structure, wherein one purpose is to provide a three-plate die-casting structure and solve the problem that the two-plate die-casting die is inconvenient to disassemble; the other purpose is to solve the problem of long cooling time so as to achieve the effect of rapid cooling forming.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a novel three-plate die-casting die structure comprises a base, wherein a lower die is fixedly arranged on the upper surface of the base, a middle die is fixedly arranged above the lower die, an upper die is fixedly arranged above the middle die, a die-casting plate is fixedly arranged above the upper die, the lower die comprises a fixed template, the fixed template is fixedly arranged on the upper surface of the base, a water-cooling plate is fixedly arranged at the central position inside the fixed template, a fixed groove is arranged around the water-cooling plate, a lower limiting groove is arranged at the periphery inside the fixed groove near the central surface, four corners of the upper surface of the fixed template are provided with fixed holes, lower locating columns are arranged at the front side and the rear side of the upper surface of the fixed template, a fixed rail is arranged at the left side of the fixed template, the middle die comprises a die plate, middle locating holes are arranged at the left side and the right side of the lower surface of the die plate, and a middle fixed ring is fixedly arranged at the center of the lower surface of the die plate, the fixed lock is fixedly installed on the front surface of the model plate, the middle limiting columns are fixedly installed on four sides of the middle fixing ferrule, the side face of the model plate is provided with a feed inlet, the left side and the right side of the upper surface of the model plate are fixedly provided with middle positioning columns, the positions of the middle positioning columns are asymmetric, the center position of the upper surface of the model plate is provided with a cavity, the cavity penetrates through the whole model plate, and the middle fixing groove is fixedly installed on the upper surface of the model plate.

The utility model discloses technical scheme's further improvement lies in: the fixed lock comprises a rotating shaft, the rotating shaft is fixedly connected with a lock cylinder, a sliding groove is formed in the front surface of the model plate and is arranged right below the rotating shaft, a reset spring is fixedly arranged in the sliding groove, and a sliding rail is formed in the front surface of the model plate and is arranged on a rotating path of the lock cylinder.

The utility model discloses technical scheme's further improvement lies in: the upper die comprises a movable pressing plate, wherein the left side and the right side of the lower surface of the movable pressing plate are provided with upper positioning holes, the positions of the upper positioning holes are asymmetric, a pressing column is fixedly arranged at the center position of the movable pressing plate, an ejector pin is movably arranged in the pressing column, and an upper fixing ferrule is fixedly arranged on the lower surface of the movable pressing plate.

The utility model discloses technical scheme's further improvement lies in: the die-casting die lower surface has seted up the spout, surface mounting has the slide on the activity clamp plate, spout and slide sliding fit, die-casting die lower surface mounting has electromagnetic relay.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a novel three board die casting die structure, this utility model change traditional two board die casting die and be three board die casting die, increase the well mould that the die cavity runs through, increase the fixed lock simultaneously, the fixed lock can be fixed well mould and lower mould, makes it can not take place relative slip through spacing post and reference column, when needing to be changed the mould, only need open the fixed lock, change well mould can, avoid dismantling the nut bolt to remove and change the lower mould, make the dismantlement of mould change simple easy operation more.

2. The utility model provides a novel three board die casting die structure, this use is novel has increased the water-cooling board at the lower mould upper surface, adds the real-time cooling that the water-cooling board can be to the mould die cavity man-hour for the mould can cool off the drawing of patterns in the shortest time after the die-casting, has solved the long problem of mould cooling time under natural state, has improved the cooling efficiency of mould, also better the accuse drawing of patterns time simultaneously, increases the drawing of patterns success rate.

Drawings

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

FIG. 2 is a schematic view of a lower mold of the present invention;

fig. 3 is a schematic view of the lower surface of the middle mold of the present invention;

fig. 4 is a schematic view of the upper surface of the middle mold of the present invention;

FIG. 5 is a schematic view of the lock of the present invention;

fig. 6 is a schematic view of an upper die of the present invention.

In the figure: 1. a base; 2. a lower die; 21. fixing the template; 22. a fixing hole; 23. a lower positioning column; 24. Fixing grooves; 25. a lower limiting groove; 26. a fixed rail; 27. and (5) a water-cooling plate.

3. A middle mold; 31. a mold plate; 32. a middle positioning hole; 33. a middle fixed ferrule; 34. a middle limit column; 35. Fixing a lock; 36. a middle positioning column; 37. a middle fixing groove; 38. a cavity; 39. a feed inlet;

351. a rotating shaft; 352. a lock cylinder; 353. a slide rail; 354. a reset spring; 355. a sliding groove;

4. an upper die; 41. a movable pressing plate; 42. an upper positioning hole; 43. an upper fixing ferrule; 44. pressing the column; 45. A thimble;

5. die-casting the plate; 51. a chute.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in FIGS. 1-6, the utility model provides a novel three board die casting die structure, including base 1, fixed surface installs lower mould 2 on the

base

1, and 2 top fixed mounting have well mould 3 down, and well mould 3 top fixed mounting has last mould 4, goes up mould 4 top fixed mounting and has the die-casting board 5.

In this embodiment, the lower die 2 fixes the middle die 3 and the upper die 4, and cools the mold in the middle die 3, the middle die 3 and the upper die 4 cooperate to form the mold in the cavity 38 by die-casting, and the die-casting plate 5 provides power for the whole die-casting.

As shown in fig. 1 to 6, in this embodiment, preferably, a sliding groove 51 is formed in a lower surface of the die-casting plate 5, a sliding way is mounted on an upper surface of the movable pressing plate 41, the sliding groove 51 is in sliding fit with the sliding way, an electromagnetic relay is mounted on a lower surface of the die-casting plate 5, the die-casting plate 5 provides a die-casting power source, the sliding way is in sliding fit with the sliding groove 51, so that the upper die 4 can be conveniently mounted and fixed on the die-casting plate 5, and the electromagnetic relay plays an absolute fixing role in fixing the upper die 4.

Example 2

As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the lower mold 2 comprises a fixed mold plate 21, the fixed mold plate 21 is fixedly installed on the upper surface of the base 1, a water cooling plate 27 is fixedly installed at the central position inside the fixed mold plate 21, a fixed groove 24 is formed around the water cooling plate 27, a lower limit groove 25 is formed on the periphery inside the fixed groove 24 near the central surface, fixed holes 22 are formed at four corners of the upper surface of the fixed mold plate 21, lower limit posts 23 are formed on the front and rear sides of the upper surface of the fixed mold plate 21, a fixed rail 26 is formed on the left side surface of the fixed mold plate 21, the fixed mold plate 21 plays a supporting role for the whole upper mold 4 and the middle mold 3, the water cooling plate 27 is responsible for cooling the mold in the cavity 38, so as to facilitate demolding of the mold, the fixed ring 33 is matched with the fixed groove 24, meanwhile, the lower positioning columns 23 and the lower positioning grooves 25 fix the relative positions of the middle mold 3 and the lower mold 2 to prevent relative sliding, and the fixing holes 22 are used for fixing the lower mold 2 and the base 1.

Example 3

As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the middle mold 3 includes a mold plate 31, the left and right sides of the lower surface of the mold plate 31 are provided with middle positioning holes 32, the center of the lower surface of the mold plate 31 is fixedly provided with a middle fixing collar 33, the front surface of the mold plate 31 is fixedly provided with a fixing lock 35, the four sides of the middle fixing collar 33 are fixedly provided with middle limiting posts 34, the side surface of the mold plate 31 is provided with a feed inlet 39, the fixing lock 35 includes a rotating shaft 351, the rotating shaft 351 is fixedly connected with a lock post 352, the front surface of the mold plate 31 is provided with a sliding groove 355 under the rotating shaft 351, the inside of the sliding groove 355 is fixedly provided with a return spring 354, the front surface of the mold plate 31 is provided with a sliding rail 353 on the rotating path of the lock post 352, the left and right sides of the upper surface of the mold plate 31 are fixedly provided with middle positioning posts 36, the positions of the middle positioning posts 36 are asymmetrical, the center of the upper surface of the mold plate 31 is provided with a cavity 38, and the cavity 38 penetrates through the whole mold plate 31, the upper surface of the model plate 31 is fixedly provided with a middle fixing groove 37, the upper die 4 comprises a movable pressing plate 41, the left side and the right side of the lower surface of the movable pressing plate 41 are provided with upper positioning holes 42, the upper positioning hole 42 is asymmetric in position, a pressing column 44 is fixedly installed at the center of the movable pressing plate 41, an ejector pin 45 is movably installed in the pressing column 44, an upper fixing ferrule 43 is fixedly installed on the lower surface of the movable pressing plate 41, the relative positions of the middle mold 3 and the lower mold 2 are limited by the middle positioning hole 32, the middle fixing ferrule 33 and the middle limiting column 34, the relative positions of the middle mold 3 and the upper mold 4 are limited by the middle positioning column 36 and the upper positioning hole 42, the fixing lock 35 is matched with the fixing rail 26 and used for fixing the middle mold 3 and the lower mold 2 to prevent the middle mold 3 and the lower mold 2 from being separated, molten metal is added into the cavity 38 through the feed inlet 39, then die-casting molding is carried out through the pressing column 44, and the molded mold is ejected through the ejector pin 45.

The working principle of the novel three-plate die-casting die structure is described in detail below.

As shown in fig. 1-6, the middle mold 3 is placed on the upper surface of the lower mold 2, aligned with the lower positioning column 23 and the lower positioning groove 25, then the locking column 352 is rotated, the rotating shaft 351 is pressed downwards when the lower mold 2 contacts with the middle mold 3, so that the locking column 352 enters the lower mold 2 through the fixed rail 26, when the locking column is rotated to a vertical position, the rotating shaft 351 is released, the rotating shaft 351 is reset under the action of the reset spring 354, the locking column 352 is driven to move upwards to the vertical groove of the fixed rail 26, the middle mold 3 and the lower mold 2 are fixed, then the upper mold 4 is installed downwards, the upper positioning hole 42 of the upper mold 4 and the middle positioning column 36 of the middle mold 3 are aligned, molten metal is added from the feed port 39 after the installation is completed, the die casting plate 5 is started to perform die casting, the die casting is completed, the demolding is started after the water cooling plate 27, the upper mold 4 is removed upwards, and then the ejector pin 45 is used for ejecting the mold, and the demolding is completed.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. A novel three-plate die-casting mold structure, comprising a base (1), characterized in that a lower mold (2) is fixedly installed on the upper surface of the base (1), and a middle mold is fixedly installed above the lower mold (2). (3), an upper mold (4) is fixedly installed above the middle mold (3), a die-casting plate (5) is fixedly installed above the upper mold (4), and the lower mold (2) includes a fixed template ( 21), the fixed template (21) is fixedly installed on the upper surface of the base (1), a water-cooled plate (27) is fixedly installed at the inner center of the fixed template (21), and a fixed plate (27) is provided around the water-cooled plate (27). A groove (24), a lower limit groove (25) is formed around the center surface of the fixing groove (24), and fixing holes (22) are formed on the four corners of the upper surface of the fixing template (21). The fixing template (21) ) on the front and back sides of the upper surface are provided with lower positioning columns (23), the left side of the fixed template (21) is provided with a fixed rail (26), the middle mold (3) includes a model plate (31), the Middle positioning holes (32) are provided on the left and right sides of the lower surface of the model plate (31), a middle fixing ferrule (33) is fixedly installed in the center of the lower surface of the model plate (31), and the front surface of the model plate (31) is fixed A fixing lock (35) is installed, a middle limit post (34) is fixedly installed on the four sides of the middle fixing ferrule (33), and a feeding port (39) is opened on the side of the model plate (31). Middle positioning columns (36) are fixedly installed on the left and right sides of the upper surface of the model plate (31), and the positions of the middle positioning columns (36) are asymmetric, and a cavity ( 38), and the cavity (38) runs through the entire model plate (31), and a middle fixing groove (37) is fixedly installed on the upper surface of the model plate (31).

2. A new three-plate die-casting mold structure according to claim 1, characterized in that: the fixed lock (35) comprises a rotating shaft (351), and the rotating shaft (351) is fixedly connected with a locking post (352), A sliding groove (355) is opened on the front surface of the model plate (31) and just below the rotating shaft (351), and a return spring (354) is fixedly installed inside the sliding groove (355). A sliding rail (353) is provided on the surface and on the rotation path of the lock post (352).

3. A new type of three-plate die-casting mold structure according to claim 1, characterized in that: the upper mold (4) comprises a movable pressing plate (41), and the left and right sides of the lower surface of the movable pressing plate (41) are provided with The upper positioning hole (42), and the position of the upper positioning hole (42) is asymmetrical, a pressure column (44) is fixedly installed in the center of the movable pressure plate (41), and a thimble (44) is movably installed in the pressure column (44). (45), an upper fixing ferrule (43) is fixedly installed on the lower surface of the movable pressing plate (41).

4. A new three-plate die-casting mold structure according to claim 3, characterized in that: the lower surface of the die-casting plate (5) is provided with a chute (51), and the upper surface of the movable pressing plate (41) is provided with a sliding groove (51). The sliding groove (51) is slidably matched with the sliding channel, and an electromagnetic relay is installed on the lower surface of the die-casting plate (5).