CN218015717U - Die casting die convenient for demoulding - Google Patents

Abstract

The utility model discloses a die-casting mold which is convenient for film removal, which comprises a base, a lower die-casting mold is fixedly installed on the top of the base, a forming cavity is opened on the top of the lower die-casting mold, a top plate is arranged above the base, and a top plate is fixedly installed on the top of the bottom die-casting mold. The telescopic end of the hydraulic cylinder runs through the top plate and extends to the bottom of the top plate. An upper die-casting mold is fixedly installed. A guide assembly for improving the movement stability of the upper die-casting mold is arranged between the upper die-casting mold and the lower die-casting mold. The upper die-casting mold and the lower die-casting mold After the lower die-casting mold is clamped, it is fixedly connected together by a positioning component. The bottom of the base is provided with a demoulding component that moves synchronously with the upper die-casting mold. The demoulding component is used to demould the molded workpiece after die-casting. The die-casting mold of the utility model can make the demoulding component move synchronously with the upper die-casting mold, and share a hydraulic cylinder for driving, which saves production costs and reduces the overall cost of equipment without reducing its functionality.

Description

A Die-casting Mold for Easy Membrane Release

technical field

The utility model relates to the technical field of die-casting molds, in particular to a die-casting mold which is convenient for stripping.

Background technique

Die-casting mold is a tool for casting metal parts, a tool that completes the die-casting process on a special die-casting die forging machine. The Chinese patent application number CN202122911273.X discloses a die-casting mold for precision die-casting parts. The utility model By installing an electric push stripping cylinder, two co-vibration elements and a micro-seismic conducting rod between the bottom of the inner wall of the stripping box and the bottom of the outer wall of the lower die-casting mold, after injecting the metal casting material into the lower die-casting mold, the co-vibration element The lower die-casting mold shakes slightly under the action of the micro-seismic transmission rod, so that the metal casting material can be evenly distributed without gaps inside. The mold box is separated, thereby ensuring the quality of the die-casting product, and the protection of the product during demoulding is also better.

The above-mentioned patent still has some obvious defects in the actual use process. The solution uses two demoulding boxes to perform the demoulding operation. The demoulding box is specifically driven by an electric demoulding cylinder to connect the die-casting mold and the demoulding box. Separation, so as to facilitate the demoulding of the product. This scheme uses two sets of drives, the air cylinder and the electric push demoulding cylinder. There are multiple drives, and the problem that one driver cannot be used for demoulding operation. The installation of the electric push demoulding cylinder increases the overall equipment cost. Cost, so we need to propose a die-casting mold that is easy to release.

Utility model content

The purpose of this utility model is to provide a die-casting mold that is easy to remove from the film. It has the advantages of completing the die-casting and demoulding process through one drive, saving costs and reducing the overall cost of the equipment, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A die-casting mold for easy demoulding, comprising a base, a lower die-casting mold is fixedly installed on the top of the base, a molding cavity is opened on the top of the lower die-casting mold, a top plate is arranged above the base, and the top of the top plate A hydraulic cylinder is fixedly installed, and the telescopic end of the hydraulic cylinder penetrates the top plate and extends to the bottom of the top plate. An upper die-casting mold is fixedly installed, and a device for improving the movement stability of the upper die-casting mold is arranged between the upper die-casting mold and the lower die-casting mold. The guide assembly, the upper die-casting mold and the lower die-casting mold are fixedly connected together by a positioning assembly after clamping, the bottom of the base is provided with a demoulding assembly that moves synchronously with the upper die-casting mold, and the demoulding assembly is used for After die-casting, the molded workpiece is demoulded.

Preferably, the demoulding assembly includes a connecting plate arranged at the bottom of the base, connecting rods are fixedly installed on both sides of the connecting plate, and the top ends of the connecting rods pass through the base and extend to the outside of the base and the upper die-casting mold The surface of the connecting plate is fixedly connected, and the four corners of the top of the connecting plate are fixedly installed with ejector rods, and the top ends of the ejector rods pass through the base and the lower die-casting mold in turn and extend to the inner cavity of the molding cavity.

Preferably, the surface of the base is provided with a through groove suitable for the connecting rod, and the surface of the connecting rod is slidably connected with the inner wall of the through groove.

Preferably, the guide assembly includes guide rods fixedly installed at the four corners of the bottom of the upper die-casting mold, the top of the lower die-casting mold is provided with a guide hole corresponding to the guide rod, and the surface of the guide rod slides with the inner wall of the guide hole connect.

Preferably, the positioning assembly includes a fixed plate fixedly installed on both sides of the lower die-casting mold, the front and rear sides of the top of the fixed plate are fixedly installed with connecting seats, and the connecting seats are connected to the upper die-casting mold through a locking assembly. Lock and hold together.

Preferably, the locking assembly includes a threaded pipe fixedly installed on the surface of the connecting seat, one end of the threaded pipe is threadedly connected with a locking rod, and one end of the locking rod passes through the threaded pipe and the connecting seat in turn and is die-cast with the upper The surface of the mold is threaded.

Preferably, the surface of the upper die-casting mold is provided with a locking hole adapted to the locking rod, and one end of the locking rod is screwed to the inner wall of the locking hole.

Preferably, four corners of the bottom of the top plate are fixedly installed with support columns, and the bottom ends of the support columns are fixedly connected with the top of the base.

Compared with the prior art, the beneficial effects of the utility model are:

(1) In the utility model, the demoulding component and the upper die-casting mold move synchronously. When the upper die-casting mold and the lower die-casting mold are closed, the top of the ejector rod is flat with the bottom of the inner cavity of the molding cavity. After the workpiece is die-casted, the hydraulic cylinder When the telescopic end of the telescopic end drives the upper die-casting mold to move upward, it will drive the ejector rod to move upward through the connecting rod and connecting plate, and then push the die-casting workpiece out of the molding cavity to complete the demoulding. Through the setting of this device, the demoulding assembly It can move synchronously with the upper die-casting mold and share a hydraulic cylinder for driving, which saves production costs and reduces the overall cost of the equipment without reducing its functionality;

(2) Through the setting of the guide component, the stability of the movement of the upper die-casting mold during the mold closing process can be improved. Through the setting of the positioning component, the upper die-casting mold and the lower die-casting mold can be locked and fixed by the positioning component after the mold is closed. Together, to improve the stability of the die-casting mold used in the die-casting process of the workpiece.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation when demoulding assembly demoulding in the utility model;

Fig. 3 is the structural representation of guide assembly in the utility model;

Fig. 4 is a schematic structural diagram of the positioning assembly in the present invention.

In the figure: 1-base; 2-lower die-casting mold; 3-forming cavity; 4-top plate; 5-hydraulic cylinder; 6-upper die-casting mold; 7-connecting plate; 8-connecting rod; 9-ejector rod; 10 -through groove; 11-guide rod; 12-guide hole; 13-fixed plate; 14-connecting seat; 15-threaded pipe; 16-locking rod; 17-locking hole;

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-4, a die-casting mold for easy release, including a base 1, a lower die-casting mold 2 is fixedly installed on the top of the base 1, a molding cavity 3 is opened on the top of the lower die-casting mold 2, and a molding cavity 3 is provided on the top of the base 1 The top plate 4, the four corners of the bottom of the top plate 4 are fixedly equipped with support columns 18, the bottom of the support column 18 is fixedly connected with the top of the base 1, the top of the top plate 4 is fixedly installed with a hydraulic cylinder 5, and the telescopic end of the hydraulic cylinder 5 runs through the top plate 4 And extending to the bottom of the top plate 4, an upper die-casting mold 6 is fixedly installed, and a guide assembly for improving the movement stability of the upper die-casting mold 6 is arranged between the upper die-casting mold 6 and the lower die-casting mold 2. 6 guide rods 11 at the four corners of the bottom, and guide holes 12 corresponding to the guide rods 11 are provided on the top of the lower die-casting mold 2, and the surface of the guide rods 11 is slidingly connected with the inner wall of the guide holes 12.

The top plate 4 can be fixed on the top of the base 1 through the setting of the support column 18, which is used to support and fix the hydraulic cylinder 5 and the upper die-casting mold 6. Through the setting of the guide assembly, the telescopic end of the hydraulic cylinder 5 is driven When the die-casting mold 6 moves downward to close the mold, it will drive the guide rod 11 to move along the direction of the guide hole 12, so as to improve the stability of the movement of the upper die-casting mold 6 and ensure the accuracy of the mold closing.

Specifically, after the upper die-casting mold 6 and the lower die-casting mold 2 are clamped, they are fixedly connected together by a positioning assembly. The positioning assembly includes a fixed plate 13 fixedly installed on both sides of the lower die-casting mold 2, and the front and rear sides of the top of the fixed plate 13 are fixed. A connecting seat 14 is installed, and the connecting seat 14 is locked and fixed together with the upper die-casting mold 6 through a locking assembly. The locking assembly includes a threaded pipe 15 fixedly mounted on the surface of the connecting seat 14, and one end of the threaded pipe 15 is threadedly connected with a locking Rod 16, one end of the locking rod 16 passes through the threaded pipe 15 and the connecting seat 14 in sequence and is threadedly connected with the surface of the upper die-casting mold 6, and the surface of the upper die-casting mold 6 is provided with a locking hole 17 matching the locking rod 16 , One end of the locking rod 16 is threadedly connected with the inner wall of the locking hole 17 .

Through the setting of the positioning assembly, after the mold clamping is completed, the user can twist the locking lever 16 so that one end thereof is screwed together with the locking hole 17 on the surface of the upper die-casting mold 6, thereby ensuring that the upper die-casting mold 6 and the The stability between the lower die-casting molds 2 prevents loosening between the upper die-casting mold 6 and the lower die-casting mold 2 during the die-casting process.

Specifically, the bottom of the base 1 is provided with a demoulding assembly that moves synchronously with the upper die-casting mold 6. The demoulding assembly is used to demould the molded workpiece after die-casting. The demoulding assembly includes a connection at the bottom of the base 1 Plate 7, connecting rods 8 are fixedly installed on both sides of the connecting plate 7, the top of the connecting rod 8 runs through the base 1 and extends to the outside of the base 1 to be fixedly connected with the surface of the upper die-casting mold 6, and the four corners of the top of the connecting plate 7 are fixed An ejector rod 9 is installed, and the top of the ejector rod 9 passes through the base 1 and the lower die-casting mold 2 in turn and extends to the inner cavity of the molding cavity 3 , and the surface of the base 1 is provided with a through groove 10 matching the connecting rod 8 , The surface of the connecting rod 8 is slidingly connected with the inner wall of the through groove 10 .

In this embodiment, the ejector rod 9 moves synchronously with the upper die-casting mold 6 and shares a hydraulic cylinder 5 as a drive. The connecting plate 7 drives the ejector rod 9 to move so that its top is consistent with the bottom of the molding cavity 3. After the die-casting is completed, the hydraulic cylinder 5 will drive the upper die-casting mold 6 to move upward. At this time, the connecting rod 8 and the connecting plate 7 will meet Drive the ejector rod 9 to move upwards, and the formed workpiece is ejected from the inner cavity of the molding cavity 3 .

Working principle: When using this device for die-casting, the user can open the hydraulic cylinder 5 through the external controller, and the telescopic end of the hydraulic cylinder 5 will drive the upper die-casting mold 6 to move down and close the lower die-casting mold 2. After the molding, inject raw materials into the molding cavity 3. After cooling and forming, the user can open the hydraulic cylinder 5 again through the external controller to drive the upper die-casting mold 6 to move upward. When the upper die-casting mold 6 moves upward, it will The ejector rod 9 is driven upward by the connecting rod 8 and the connecting plate 7 to eject the formed workpiece from the inner cavity of the forming cavity 3 .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a die casting die of convenient demoulding, includes the base, its characterized in that: the utility model discloses a die casting die, including base, roof, pneumatic cylinder, roof, flexible end, die casting die's top is equipped with the roof, the top fixed mounting of roof has the pneumatic cylinder, the flexible end of pneumatic cylinder runs through the roof and extends to the below fixed mounting of roof has last die casting die, it is used for promoting the direction subassembly of die casting die mobility stability to go up to be provided with between die casting die and the die casting die down, go up die casting die and be in the same place through locating component fixed connection behind the die closing with die casting die down, the bottom of base is equipped with the drawing of patterns subassembly with last die casting die synchronous movement, drawing of patterns subassembly carries out the drawing of patterns to the shaping work piece after being used for the die casting shaping.

2. A die casting mold facilitating release of a film as claimed in claim 1, wherein: the demolding assembly comprises a connecting plate arranged at the bottom of the base, connecting rods are fixedly mounted on two sides of the connecting plate, the top ends of the connecting rods penetrate through the base and extend to the outside of the base to be fixedly connected with the surface of an upper die-casting mold, ejector rods are fixedly mounted on four corners of the top of the connecting plate, and the top ends of the ejector rods sequentially penetrate through the base and a lower die-casting mold and extend to the inner cavity of the forming cavity.

3. A die casting mold facilitating release of a film as claimed in claim 2, wherein: the surface of the base is provided with a through groove matched with the connecting rod, and the surface of the connecting rod is connected with the inner wall of the through groove in a sliding mode.

4. The die casting mold facilitating demolding as claimed in claim 1, wherein: the guide assembly comprises guide rods fixedly installed at four corners of the bottom of the upper die-casting die, guide holes corresponding to the guide rods are formed in the top of the lower die-casting die, and the surfaces of the guide rods are connected with the inner walls of the guide holes in a sliding mode.

5. The die casting mold facilitating demolding as claimed in claim 1, wherein: the positioning assembly comprises fixed plates fixedly arranged on two sides of the lower die-casting die, connecting seats are fixedly arranged on the front side and the rear side of the top of each fixed plate, and the connecting seats are fixedly locked with the upper die-casting die through locking assemblies.

6. The die casting mold facilitating demolding as claimed in claim 5, wherein: the locking assembly comprises a threaded pipe fixedly installed on the surface of the connecting seat, one end of the threaded pipe is in threaded connection with a locking rod, and one end of the locking rod sequentially penetrates through the threaded pipe and the connecting seat and is in threaded connection with the surface of the upper die-casting die.

7. The die casting mold facilitating demolding as claimed in claim 6, wherein: the surface of the upper die-casting die is provided with a locking hole matched with the locking rod, and one end of the locking rod is in threaded connection with the inner wall of the locking hole.

8. A die casting mold facilitating release of a film as claimed in claim 1, wherein: the four corners of the bottom of the top plate are fixedly provided with support columns, and the bottom ends of the support columns are fixedly connected with the top of the base.

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