CN214768815U

CN214768815U - A die-casting mold that is easy to demould

Info

Publication number: CN214768815U
Application number: CN202120665590.5U
Authority: CN
Inventors: 陈亚辽; 尹旭辉
Original assignee: Dongguan Huixin Precision Casting Co ltd
Current assignee: Dongguan Huixin Precision Casting Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-19
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a die-casting mold which is easy to demould, which comprises a movable module and a fixed module matched with the movable module. The group includes a push plate and several push columns fixedly connected with the push plate. The push columns penetrate through the movable die pad and the movable die support plate. The push plate is located above the movable die pad and serves as the bottom wall of the cavity. The easy demoulding die-casting mold of the utility model is simple in structure and easy to push the mold, and the push plate is used instead of the ejector pin to directly push the mold, which can avoid the thin alloy product being stabbed and deformed by the ejector pin; several ejector columns jointly push the ejector The template is used to make the demolding module evenly stressed, avoiding the phenomenon of breaking the thimble, and making the demoulding more smoothly.

Description

Die casting die of easily drawing of patterns

Technical Field

The utility model relates to a die casting die technical field especially discloses a die casting die of easy drawing of patterns.

Background

The alloy product is a common daily product, and is widely applied to the fields of household products, medical equipment, building materials, sports equipment and the like due to the advantages of high strength, good durability, strong assembly and the like. In the manufacturing process of the alloy product, the alloy material in a molten state is generally uniformly stirred at a certain temperature, then the alloy material is injected into a die-casting die, the alloy material is formed in a cavity part of the die-casting die, a formed alloy product is obtained after cooling and solidification, and then the alloy product is pushed down from the die-casting die through an ejector pin. Because the adsorption force in the cavity part after the die casting is formed is large, the demolding mechanism of the common die casting die is composed of a plurality of ejector pins, and most ejector pins are small in size and easy to break, so that demolding is not easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and deficiencies in the prior art, the utility model aims to provide a die-casting die easy to demould.

In order to achieve the purpose, the utility model discloses a die casting die easy to demold, including the movable mould group and with the movable mould matched cover half group, the movable mould group includes the movable mould bottom plate, the movable mould extension board that is located the movable mould bottom plate top, the die cavity spare that is located the movable mould extension board top, the movable mould backing plate that is located between movable mould extension board and the die cavity spare and the loop bar that is fixed in the movable mould extension board both sides, the cover half group includes the cover half roof, the cover half backing plate that is located the cover half roof below, the core piece that is located the cover half backing plate below and the sleeve that is fixed in cover half roof both sides, the sleeve can slip the cover and locate outside the loop bar; the movable mould group is provided with a demoulding group, the demoulding group comprises a mould pushing plate positioned in the cavity piece and a plurality of mould pushing columns fixedly connected with the mould pushing plate, the mould pushing columns penetrate through the movable mould base plate and the movable mould support plate, and the mould pushing plate is positioned above the movable mould base plate and serves as the bottom wall of the cavity piece.

Specifically, four corners of movable mould bottom plate top all are provided with the support column, and the one end that the movable mould bottom plate was kept away from to the support column is fixed in the movable mould extension board, and the support column makes and forms a space of stepping down between movable mould bottom plate and the movable mould extension board.

Specifically, the hydraulic cylinder is arranged above the movable mould bottom plate, a piston rod of the hydraulic cylinder is connected with a connecting plate, the connecting plate is fixedly connected with the plurality of mould pushing columns, and the hydraulic cylinder and the connecting plate are both located in the yielding space.

Specifically, the bottom of the cavity piece is provided with a through hole, and the hole wall of the through hole is provided with a step for bearing the stripper plate.

Specifically, the periphery of the pushing template is provided with a groove, the bottom wall of the groove is abutted to the top surface of the step, and the side wall of the groove is abutted to the side wall of the step.

Specifically, the cover half roof is provided with the sprue gate, and the sprue gate is connected with material channel, and material channel runs through cover half backing plate and type chipware, and the one end that material channel kept away from the sprue gate is equipped with the bell mouth of intercommunication type chamber spare, and the external diameter that the one end of sprue gate was kept away from to the bell mouth is less than the external diameter that the bell mouth is close to sprue gate one end.

The utility model has the advantages that: die casting die of easily drawing of patterns be provided with the demolding group at the movable mould group, the demolding group including the stripper plate, with a plurality of stripper columns of stripper plate fixed connection, connect in the connecting plate of a plurality of stripper columns to and connect in the pneumatic cylinder of connecting plate bottom. In the die-casting process, alloy materials in a molten state enter the material channel from the pouring gate, enter the cavity piece through the material channel, wait for the cooling shaping after, the movable mould group is kept away from the fixed mould group, the alloy product adsorbs in the cavity piece and drops from the core piece along with the movement of the movable mould group, the hydraulic cylinder starts to work at this moment, the piston rod pushes the connecting plate to move towards the fixed mould group, thereby pushing the plurality of ejector columns to move, the plurality of ejector columns push the ejector plate from the bottom of the cavity piece, and finally the alloy product is pushed out of the cavity piece. The die-casting die easy to demould is simple in structure and simple in die-pushing operation, and the die-pushing plate replaces the ejector pin to directly push the die, so that a thin alloy product can be prevented from being stabbed by the ejector pin and deformed; the plurality of mold pushing columns push the mold pushing plate together, so that the demolding group is stressed uniformly, the phenomenon of breakage similar to a thimble is avoided, and demolding is smoother.

Drawings

Fig. 1 is a schematic sectional structure view of the die-casting state of the present invention;

fig. 2 is a schematic view of the cross-sectional structure of the mold in the demolding state.

The reference numerals include:

1-moving die set 2-fixed die set 3-demoulding set

11-movable mould bottom plate 12-movable mould support plate 13-cavity part

14-movable die backing plate 15-loop bar 16-support column

17-abdicating space 21-fixed die top plate 22-fixed die backing plate

23-core piece 24-sleeve 31-push template

32-mold pushing column 33-hydraulic cylinder 34-piston rod

35-connecting plate 131-through hole 132-step

211-pouring gate 212-material channel 311-groove.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying drawings, which are not intended to limit the present invention.

Referring to fig. 1 to 2, the die casting mold easy to demold of the present invention includes a movable mold assembly 1 and a fixed mold assembly 2 matched with the movable mold assembly 1, wherein the movable mold assembly 1 includes a movable mold bottom plate 11, a movable mold support plate 12 located above the movable mold bottom plate 11, a cavity member 13 located above the movable mold support plate 12, a movable mold cushion plate 14 located between the movable mold support plate 12 and the cavity member 13, and a sleeve rod 15 fixed to both sides of the movable mold support plate 12, the fixed mold assembly 2 includes a fixed mold top plate 21, a fixed mold cushion plate 22 located below the fixed mold top plate 21, a core member 23 located below the fixed mold cushion plate 22, and a sleeve 24 fixed to both sides of the fixed mold top plate 21, and the sleeve 24 is slidably sleeved outside the sleeve rod 15; the movable mould set 1 is provided with a demoulding set 3, the demoulding set 3 comprises a mould pushing plate 31 positioned in the cavity piece 13 and a plurality of mould pushing columns 32 fixedly connected with the mould pushing plate 31, the mould pushing columns 32 penetrate through the movable mould backing plate 14 and the movable mould support plate 12, and the mould pushing plate 31 is positioned above the movable mould backing plate 14 and serves as the bottom wall of the cavity piece 13. The ejector plate 31 is matched with the bottom of the cavity piece 13, when the die is removed, the ejector plate 31 is jacked up by the ejector post 32, the ejector plate 31 is higher than the bottom wall of the cavity piece 13, the alloy product is ejected from the cavity piece 13, and the alloy product is convenient to take away by hands or a mechanical hand.

Referring to fig. 1 to 2, support pillars 16 are disposed at four corners above the movable mold base plate 11, one end of each support pillar 16 away from the movable mold base plate 11 is fixed to the movable mold support plate 12, the support pillars 16 form an abdicating space 17 between the movable mold base plate 11 and the movable mold support plate 12, and the abdicating space 17 provides a moving space for the demolding operation of the demolding group 3.

Referring to fig. 1 to 2, a hydraulic cylinder 33 is disposed above the movable mold base plate 11, a piston rod 34 of the hydraulic cylinder 33 is connected to a connecting plate 35, the connecting plate 35 is fixedly connected to a plurality of mold pushing columns 32, and the hydraulic cylinder 33 and the connecting plate 35 are both located in the abdicating space 17. During demolding, the hydraulic cylinder 33 starts to work, the piston rod 34 pushes the connecting plate 35 to move towards the fixed die set 2, so that the plurality of mold pushing columns 32 are pushed to move, the plurality of mold pushing columns 32 push the mold pushing plate 31 away from the bottom of the cavity part 13, and finally the alloy product is pushed out of the cavity part 13.

Referring to fig. 2, the bottom of the cavity member 13 is provided with a through hole 131, and a step 132 for supporting the stripper plate 31 is disposed on the wall of the through hole 131. The periphery of the ejector plate 31 is provided with a groove 311, the bottom wall of the groove 311 is abutted against the top surface of the step 132, and the side wall of the groove 311 is abutted against the side wall of the step 132. The step 132 is matched with the groove 311, the push template 31 is embedded into the through hole 131 at the bottom of the cavity piece 13, and the top surface of the push template 31 is flush with the bottom wall of the cavity piece 13 during die casting; when demoulding, the mould pushing plate 31 is higher than the bottom wall of the cavity part 13.

Referring to fig. 1 to 2, the fixed mold top plate 21 is provided with a pouring port 211, the pouring port 211 is connected with a material channel 212, the material channel 212 penetrates through the fixed mold backing plate 22 and the core member 23, one end of the material channel 212 far away from the pouring port 211 is provided with a tapered hole communicated with the cavity member 13, and the outer diameter of one end of the tapered hole far away from the pouring port 211 is smaller than that of one end of the tapered hole close to the pouring port 211. In the die casting process, the alloy material in a molten state enters the material channel 212 from the pouring gate 211, enters the cavity part 13 through the material channel 212, and is demoulded after cooling and forming.

Die casting die of easily drawing of patterns be provided with at movable mould group 1 and take off module 3, drawing of patterns group 3 including the stripper plate 31, with a plurality of stripper columns 32 that stripper plate 31 fixed connection, connect in the connecting plate 35 of a plurality of stripper columns 32 to and connect in the pneumatic cylinder 33 of connecting plate 35 bottom. In the die casting process, alloy materials in a molten state enter the material channel 212 from the pouring gate 211, enter the cavity part 13 through the material channel 212, wait for cooling and forming, the movable module 1 is far away from the fixed module 2, alloy products are adsorbed in the cavity part 13 and fall off from the core part 23 along with the movement of the movable module 1, at the moment, the hydraulic cylinder 33 starts to work, the piston rod 34 pushes the connecting plate 35 to move towards the fixed module 2, so that the plurality of mold pushing columns 32 are pushed to move, the plurality of mold pushing columns 32 push the mold pushing plate 31 away from the bottom of the cavity part 13, and finally the alloy products are pushed out of the cavity part 13.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. An easy-to-release die-casting mold, comprising a movable module (1) and a fixed module (2) matched with the movable module (1), the movable module (1) comprising a movable mold base plate (11), located in A movable mold support plate (12) above the movable mold base plate (11), a cavity member (13) located above the movable mold support plate (12), and located between the movable mold support plate (12) and the cavity member (13) The movable die backing plate (14) and the sleeve rods (15) fixed on both sides of the movable die support plate (12), the fixed die set (2) comprises a fixed die top plate (21), a fixed die top plate (21) located below the fixed die top plate (21). A stationary die pad (22), a core piece (23) located under the stationary die pad (22), and sleeves (24) fixed on both sides of the stationary die top plate (21), the sleeves (24) are slidable sleeves It is arranged outside the sleeve rod (15); it is characterized in that: the movable module (1) is provided with a stripping module (3), and the stripping module (3) comprises a push plate (31) located in the cavity piece (13), Several die-pushing columns (32) are fixedly connected to the pushing-die plate (31). The die-pushing columns (32) penetrate through the movable die backing plate (14) and the movable die support plate (12), and the pushing die plate (31) is located on the movable die pad. Above the plate (14) and as the bottom wall of the cavity (13).

2. The die-casting mold that is easy to demould according to claim 1, wherein the four corners above the movable mold base plate (11) are provided with support columns (16), and the support columns (16) are far away from the movable mold base plate. One end of (11) is fixed to the movable mold support plate (12), and the support column (16) forms a space (17) between the movable mold base plate (11) and the movable mold support plate (12).

3. The easy demoulding die-casting mold according to claim 2, characterized in that: a hydraulic cylinder (33) is provided above the movable mold base plate (11), and the piston rod (34) of the hydraulic cylinder (33) is connected with a connection The plate (35), the connecting plate (35) is fixedly connected with a plurality of die pushing columns (32), and the hydraulic cylinder (33) and the connecting plate (35) are both located in the space (17).

4. The easy demoulding die-casting mold according to claim 1, characterized in that: a through hole (131) is provided at the bottom of the cavity piece (13), and a hole wall of the through hole (131) is provided with a push plate for carrying a push plate Step (132) of (31).

5. The easy demoulding die-casting mold according to claim 4, wherein a groove (311) is provided on the periphery of the push plate (31), the bottom wall of the groove (311) and the top of the step (132) The side walls of the groove (311) are in conflict with the side walls of the step (132).

6. The die-casting mold easy to demould according to claim 1, characterized in that: the fixed die top plate (21) is provided with a sprue (211), and the sprue (211) is connected with a material channel (212), and the material channel ( 212) Passing through the fixed die plate (22) and the core piece (23), one end of the material channel (212) away from the pouring port (211) is provided with a tapered hole communicating with the cavity piece (13), and the tapered hole is far away from the pouring The outer diameter of one end of the mouth (211) is smaller than the outer diameter of the end of the conical hole close to the pouring mouth (211).