CN212704288U

CN212704288U - Mould structure for processing metal casting

Info

Publication number: CN212704288U
Application number: CN202020631336.9U
Authority: CN
Inventors: 肖彦平
Original assignee: Hayacast Suzhou Co ltd
Current assignee: Hayacast Suzhou Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-03-16
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a mould structure of metal casting processing usefulness relates to die casting die technical field. The die comprises a male die holder and a female die holder, wherein positioning columns are embedded at the upper end and the lower end of the male die holder, guide holes are formed in the upper end and the lower end of the female die holder, the female die holder is matched with the male die holder through the guide holes and the positioning columns, a male die cavity is formed in the male die holder, and a female die cavity is formed in the female die holder. According to the die structure for processing the metal casting, before die casting, the ejection driving mechanism is installed outside the prepressing plate, after die casting, firstly, control operation is controlled to drive the ejector pin located in the male die cavity to eject a formed workpiece, so that the workpiece is not easy to attach to the male die seat when the male die seat moves away from the female die seat, and when the workpiece is demoulded, control operation is controlled to drive the ejector pin located in the female die cavity to eject the formed workpiece.

Description

Mould structure for processing metal casting

Technical Field

The utility model relates to a die casting die technical field specifically is a mould structure of metal casting processing usefulness.

Background

The die-casting die is a method for casting liquid die forging, and is a process completed on a special die-casting die forging machine, the molten metal is firstly cast at low speed or high speed and filled into the cavity of the die, and the die is provided with a movable cavity surface, and it is pressed and forged along with the cooling process of the molten metal, so that the defects of shrinkage cavity and shrinkage porosity of the blank can be eliminated, and the internal structure of the blank can be made into broken crystal grains in the forging state.

When the die-cast workpiece is demolded, the demolding rod needs to move axially to demold the workpiece, but in actual operation, the phenomenon of incomplete demolding can occur, so that the clamping of a manipulator in the next step fails, and the workpiece is scrapped and damaged after contacting the manipulator.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mould structure of metal casting processing usefulness possesses the advantage that does benefit to and takes off the material to solve the problem that current drawing of patterns is not in place.

In order to realize the purpose of facilitating the stripping, the utility model provides the following technical scheme: a die structure for machining metal castings comprises a male die holder and a female die holder, positioning columns are embedded in the upper end and the lower end of the male die holder, guide holes are formed in the upper end and the lower end of the female die holder, the female die holder and the male die holder are matched through the guide holes and the positioning columns, a male die cavity is formed in the male die holder, a female die cavity is formed in the female die holder, through holes are formed in the inner bottom surfaces of the male die cavity and the female die cavity, ejector pins are sleeved in the through holes, a sprue seat is fixedly arranged at the top end of the female die holder through screws, and cooling channels are formed in the male die holder and the female die.

As an optimized technical scheme of the utility model, the profile of public die holder and female die holder butt joint is the slope form, and the profile of female die holder personally submits 10-15 contained angles with vertical, and the profile of public die holder is laminated on the profile of female die holder.

As an optimal technical scheme of the utility model, the interior bottom surface department of punching a hole and pressing close to die cavity and die cavity is the shoulder hole structure, it distributes in die cavity and die cavity to punch a hole evenly, constitute foundry goods shaping die cavity after die cavity and the butt joint of die cavity.

As an optimal technical scheme of the utility model, the tip of thimble is the step shaft structure to with the interior bottom surface parallel and level of die cavity and die cavity, outside the afterbody of thimble extended to public die holder and female die holder, and its afterbody installed the pre-pressing board.

As a preferred technical scheme of the utility model, first installation cavity has been seted up on the top of female die holder, and the runner seat is located first installation cavity, the second installation cavity has been seted up on the top of public die holder, cavity adaptation after first installation cavity and the butt joint of first installation cavity is in the runner seat.

As an optimal technical scheme of the utility model, all connect to install the coupling on cooling channel's the inlet, install the die shank on the public die holder.

Compared with the prior art, the utility model provides a mould structure of metal casting processing usefulness possesses following beneficial effect:

according to the die structure for processing the metal casting, before die casting, the ejection driving mechanism is installed outside the prepressing plate, after die casting, firstly, control operation is controlled to drive the ejector pin located in the male die cavity to eject a formed workpiece, so that the workpiece is not easy to attach to the male die seat when the male die seat moves away from the female die seat, and when the workpiece is demoulded, control operation is controlled to drive the ejector pin located in the female die cavity to eject the formed workpiece.

Drawings

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

fig. 2 is a side view of the present invention.

In the figure: 1. a male die holder; 2. a female die holder; 3. a positioning column; 4. a guide hole; 5. a male mold cavity; 6. a cavity; 7. perforating; 8. a thimble; 9. a sprue seat; 10. a cooling channel; 11. pre-pressing a plate; 12. a first mounting cavity; 13. a second mounting cavity; 14. a pipe joint; 15. and (4) a die handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention discloses a mold structure for processing metal castings, which comprises a male mold base 1 and a female mold base 2, wherein the upper and lower ends of the male mold base 1 are embedded with positioning pillars 3, the upper and lower ends of the female mold base 2 are provided with guiding holes 4, the female mold base 2 is matched with the male mold base 1 through the guiding holes 4 and the positioning pillars 3, the male mold base 1 is provided with a male mold cavity 5, the female mold base 2 is provided with a female mold cavity 6, the inner bottom surfaces of the male mold cavity 5 and the female mold cavity 6 are provided with through holes 7, and the through holes 7 are sleeved with ejector pins 8, before die casting, the prepressing plate 11 is externally provided with an ejector driving mechanism, after die casting, the prepressing plate is firstly controlled to drive the ejector pins 8 in the male mold cavity 5 to eject the formed workpiece, so that when the male mold base 1 is moved away from the female mold base 2, the workpiece is not easy to adhere to, the control operation drives the ejector pin 8 positioned in the female die cavity 6 to eject the formed workpiece, and the butt joint surface of the male die seat 1 and the female die seat 2 is inclined, so that the workpiece can be conveniently demoulded after being ejected, the stripping efficiency is accelerated, the top end of the female die seat 2 is fixedly locked with a sprue seat 9 through a screw, and cooling channels 10 are arranged in the male die seat 1 and the female die seat 2.

Specifically, the butt joint molded surface of the male die holder 1 and the female die holder 2 is inclined, the molded surface of the female die holder 2 forms an included angle of 10-15 degrees with the vertical surface, and the molded surface of the male die holder 1 is attached to the molded surface of the female die holder 2.

In this embodiment, because of the profile of the butt joint of the male mold base 1 and the female mold base 2 is inclined, the workpiece can be ejected conveniently after the workpiece is ejected.

Specifically, punch 7 is pressed close to the interior bottom surface department of die cavity 5 and die cavity 6 and is the shoulder hole structure, punch 7 evenly distributed is in die cavity 5 and die cavity 6, constitute foundry goods shaping die cavity after die cavity 5 docks with die cavity 6.

In this embodiment, the through hole 7 mainly plays a role of installing the thimble 8, and when the molten metal enters the casting forming cavity formed by the male die cavity 5 and the female die cavity 6, the molten metal is formed into a casting under cooling.

Specifically, the head end portion of the thimble 8 is of a stepped shaft structure and is flush with the inner bottom surfaces of the male die cavity 5 and the female die cavity 6, the tail portion of the thimble 8 extends to the outside of the male die holder 1 and the female die holder 2, and the tail portion of the thimble is provided with a pre-pressing plate 11.

In this embodiment, before die casting, the ejection driving mechanism is installed outside the pre-pressing plate 11, and after die casting, the ejection driving mechanism is controlled to drive the ejector pins 8 located in the male die cavity 5 to eject the formed workpiece, so that when the male die base 1 moves away from the female die base 2, the workpiece is not easily attached to the male die base 1, and when the workpiece is demolded, the ejection driving mechanism is controlled to drive the ejector pins 8 located in the female die cavity 6 to eject the formed workpiece.

Specifically, a first mounting cavity 12 is formed in the top end of the female die holder 2, the sprue seat 9 is located in the first mounting cavity 12, a second mounting cavity 13 is formed in the top end of the male die holder 1, and a cavity formed by the first mounting cavity 12 and the first mounting cavity 12 in a butt joint mode is adaptive to the sprue seat 9.

In this embodiment, the gate seat 9 is installed in the first installation cavity 12 through a screw, and after the male mold seat 1 and the female mold seat 2 are assembled, interference is not caused through the second installation cavity 13.

Specifically, the inlet ends of the cooling channels 10 are connected with pipe joints 14, and the male die holder 1 is provided with a die shank 15.

In this embodiment, after the molten metal is poured, a cooling liquid input pipeline is externally connected to the pipe joint 14 to introduce cooling liquid into the cooling channel 10, so as to perform cooling and rapid forming.

The utility model discloses a theory of operation and use flow: when in use, before die casting, the ejecting driving mechanism is arranged outside the prepressing plate 11, after the male die holder 1 and the female die holder 2 are closed, after the molten metal is injected into a casting forming die cavity formed by the male die cavity 5 and the female die cavity 6 through the sprue seat 9, after the molten metal is poured, a cooling liquid input pipeline is externally connected through a pipe joint 14 to introduce cooling liquid into the cooling channel 10, thereby cooling and quickly forming a casting, after die casting, firstly controlling operation to drive the thimble 8 positioned in the convex die cavity 5 to push the formed workpiece, so that the workpiece is not easy to attach to the male die base 1 when the male die base 1 is moved away from the female die base 2, when the workpiece is demoulded, the ejector pin 8 positioned in the female die cavity 6 is driven to eject the formed workpiece by control operation, and the molded surface of the butt joint of the male die seat 1 and the female die seat 2 is inclined, so that the workpiece can be demoulded conveniently after being ejected.

To sum up, in the die structure for processing the metal casting, before die casting, the ejection driving mechanism is installed outside the pre-pressing plate 11, after die casting, the ejection driving mechanism is firstly controlled and operated to drive the ejector pins 8 located in the male die cavity 5 to eject a formed workpiece, so that the workpiece is not easy to attach to the male die cavity 1 when the male die cavity 1 is moved away from the female die cavity 2, and when the workpiece is demoulded, the ejection driving mechanism is controlled and operated to drive the ejector pins 8 located in the female die cavity 6 to eject the formed workpiece, and because the butt-joint molded surface of the male die cavity 1 and the female die cavity 2 is inclined, the workpiece can be demoulded conveniently after being jacked, and the stripping efficiency is accelerated.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould structure of metal casting processing usefulness, includes public die holder (1) and master model seat (2), its characterized in that: the die comprises a male die holder (1), a positioning column (3) is embedded at the upper end and the lower end of the male die holder (1), a butted molded surface of the male die holder (1) and a butted molded surface of a female die holder (2) is inclined, an included angle of 10-15 degrees is formed between the molded surface of the female die holder (2) and the vertical surface, the molded surface of the male die holder (1) is attached to the molded surface of the female die holder (2), guide holes (4) are formed at the upper end and the lower end of the female die holder (2), the female die holder (2) is matched with the male die holder (1) through the guide holes (4) and the positioning column (3), a male die cavity (5) is arranged on the male die holder (1), a female die cavity (6) is arranged in the female die holder (2), through holes (7) are formed in the inner bottom surfaces of the male die cavity (5) and the female die cavity (6), an ejector pin (8) is sleeved in the through holes (, the punching holes (7) are uniformly distributed in the convex die cavity (5) and the concave die cavity (6), the convex die cavity (5) and the concave die cavity (6) are butted to form a casting molding die cavity, the top end of the female die holder (2) is locked with a sprue gate seat (9) through screws, and cooling channels (10) are arranged in the male die holder (1) and the female die holder (2).

2. A mold structure for processing a metal casting according to claim 1, characterized in that: the head end part of the ejector pin (8) is of a stepped shaft structure and is flush with the inner bottom surfaces of the male die cavity (5) and the female die cavity (6), the tail part of the ejector pin (8) extends out of the male die holder (1) and the female die holder (2), and the tail part of the ejector pin is provided with a prepressing plate (11).

3. A mold structure for processing a metal casting according to claim 1, characterized in that: first installation cavity (12) have been seted up on the top of female die holder (2), and runner seat (9) are located first installation cavity (12), second installation cavity (13) have been seted up on the top of public die holder (1), cavity adaptation in runner seat (9) after first installation cavity (12) and first installation cavity (12) dock.

4. A mold structure for processing a metal casting according to claim 1, characterized in that: the inlet end of the cooling channel (10) is connected with a pipe joint (14), and the male die holder (1) is provided with a die handle (15).