CN211640742U - Double-material die with flow blocking device - Google Patents
Double-material die with flow blocking device Download PDFInfo
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- CN211640742U CN211640742U CN201922085113.7U CN201922085113U CN211640742U CN 211640742 U CN211640742 U CN 211640742U CN 201922085113 U CN201922085113 U CN 201922085113U CN 211640742 U CN211640742 U CN 211640742U
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Abstract
The utility model relates to a mould manufacturing technical field discloses a duplex mould with choked flow device, and choked flow device locates in the public mould, and choked flow device includes: and the compression bar penetrates through the core insert and can move in the core insert along the die opening direction. And the movable insert penetrates through the core insert and is arranged on one side of the compression bar. And the wane, it locates the depression bar with the bottom of activity income son, the wane includes that first support holds the portion and the second supports holds the portion, the wane bottom is equipped with the hemisphere lug so that the wane can incline. The utility model relates to a double-material mould with choked flow device, its space that can practice thrift first master model, the structural design of the first master model of being convenient for.
Description
Technical Field
The utility model relates to a mould manufacturing technical field, specific be a double-material mould with choked flow device.
Background
In the molding process of plastic products, a two-material mold is needed for plastic products injected by two different materials or plastic products injected by two different colors of the same material. When the double-material mold is used for injection molding, a first material is firstly processed, the first material is molded between a first female mold and a male mold and then is opened without ejection, a second material is processed on the basis of the first material, so that the second material is molded on the first material between the second female mold and the male mold, the first material and the second material are adhered together and then are opened for ejection for the second time, and a complete product is injection molded.
During processing, some products may leave a gate in the molded first material for allowing the second material to enter and fill the gate. During processing, when the first material is processed, an insert and some auxiliary parts are required to be arranged on the position, corresponding to the gate, of the mold to block the gate, so that the first material cannot enter the gate and then enters the gate to be filled with the second material.
Since the male mold remains unchanged and is switched between the first female mold and the second female mold, the insert is generally provided in the first female mold. The general internal structures of the first female die and the second female die are quite complicated, and the arrangement of the insert and some auxiliary parts occupies the space of the first female die, so that the structural arrangement inside the die is influenced, and the overall structure of the die is influenced, and therefore, the structure needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the utility model provides a pair of material mould with choked flow device, its space that can practice thrift first master model, the structural design of the first master model of being convenient for.
The utility model discloses a double-material die with a flow blocking device, which comprises a first female die, a second female die and a male die, wherein a first female die core is arranged in the first female die, a second female die core is arranged in the second female die, a male die core is arranged in the male die, the first female die core is matched with the male die core to form a first material, and the second female die core can be matched with the male die core to form a second material on the first material after the first material is formed; the double-material die further comprises a flow blocking device used for blocking the flow of the first material, the flow blocking device is arranged in the male die, and the flow blocking device comprises:
the compression bar penetrates through the core insert and can move in the core insert along the die opening direction;
the movable insert penetrates through the core insert and is arranged on one side of the compression bar; and
the rocker is arranged at the bottom ends of the pressure rod and the movable insert and comprises a first abutting part and a second abutting part, and a hemispherical convex block is arranged at the bottom end of the rocker so that the rocker can be inclined;
the bottom end of the pressing rod is in contact with the first abutting portion, and the bottom end of the movable insert is in contact with the second abutting portion, so that when the pressing rod moves downwards under the action of the first cavity insert, the pressing rod can act on the first abutting portion to enable the warping plate to incline, and then the second abutting portion acts on the movable insert to enable the movable insert to move upwards to be partially inserted into the first cavity insert.
Preferably, the male mold is provided with a first mounting groove along a parting surface thereof for mounting the press rod, the male mold is further provided with a second mounting groove along the parting surface thereof for mounting the movable insert, and the male mold is provided with a third mounting groove at the bottom of the first mounting groove and the second mounting groove for mounting the rocker; the bottom end of the first mounting groove is communicated with the third mounting groove so that the bottom end of the pressing rod can be in contact with the first abutting portion, and the bottom end of the second mounting groove is communicated with the third mounting groove so that the bottom end of the movable insert can be in contact with the second abutting portion.
Further preferably, a square notch is formed in the upper end of the movable insert, so that the movable insert forms a first ejector rod and a second ejector rod which are arranged in parallel, and the first ejector rod can be partially inserted into the first cavity insert.
Still further preferably, a limiting block is arranged in the second mounting groove and is arranged between the first ejector rod and the second ejector rod, so that when the movable insert moves upwards to a preset position, the movable insert can be abutted to the bottom end of the limiting block.
Further preferably, the upper end of the first ejector rod is provided with a molding end surface, so that the molding end surface of the first ejector rod can be matched with the second cavity insert to mold the second material when the movable insert does not move upwards.
Preferably, the first cavity insert is provided with a breaking surface corresponding to the movable insert, so that when the movable insert moves upwards to a position where the movable insert is partially inserted into the first cavity insert, the upper end surface of the movable insert can be in contact with the breaking surface.
Preferably, the first cavity insert is provided with a top pillar corresponding to the compression bar, so that when the first female mold and the male mold are closed, the first cavity insert can provide a force along the mold closing direction to the compression bar through the top pillar, and the compression bar moves downwards.
Further preferably, a step is provided on a side wall of the third mounting groove facing the first abutting portion, and a bottom end of the first abutting portion can abut against the step when the rocker is not tilted.
The utility model has the advantages as follows:
the utility model discloses extra quality mould with choked flow device can carry out the choked flow device of choked flow to first material through having set up in public mould to when public mould and first master model compound die, choked flow device can carry out the choked flow to first material, forms the runner of a second material on the fashioned semi-manufactured goods of first material, when public mould and second master model compound die, fills this runner by the second material again, thereby realizes the utility model discloses the processing of product. The utility model discloses extra quality mould with choked flow device is through locating the choked flow device in the public mould to can not cause the influence to the inner structure design of first master model, practice thrift the space of first master model, the structural design of the first master model of being convenient for.
The utility model discloses extra quality mould with choked flow device is through being equipped with the stopper in the second mounting groove, and the stopper is located in the square notch between first ejector pin and the second ejector pin to the bottom of stopper and activity income son have certain distance between the terminal surface to the stopper bottom, and this distance can make the activity go into the son and have the space that moves up, thereby the activity goes into the son and can shift up to predetermineeing the position. And when the movable insert moves up to the preset position, the end face of the movable insert facing the bottom end of the limiting block can be abutted against the bottom end of the limiting block, so that the limiting block can limit the movement of the movable insert, the movable insert can be accurately stopped at the preset position when moving up, the movable insert is prevented from moving up too far to damage a first cavity insert, and the movable insert is prevented from moving up too far to cause adverse effects on the die assembly of the first cavity insert and a male die.
The utility model discloses extra quality mould with choked flow device is equipped with the step through the lateral wall towards first support portion at the third mounting groove, and first bottom of supporting portion can support when the wane does not incline and lean on the step to make the wane can keep balance.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a double-material mold in a state that a first female mold and a male mold are closed in the embodiment of the present invention;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
fig. 3 is a schematic structural view of the double-material mold in the state that the second female mold and the male mold are closed in the embodiment of the present invention;
FIG. 4 is an enlarged schematic view of region B of FIG. 3;
reference numerals of the above figures: 1-a first master mold; 2-a second master mold; 3-male die; 4-a first cavity insert; 5-a second cavity insert; 6-core insert; 7-a compression bar; 8-movable insert; 9-a wane; 10-hemispherical bumps; 11-a first abutment; 12-a second abutment; 13-a limiting block; 14-a first ejector rod; 15-a second ejector rod; 16-briquetting; 17-a top pillar; 18-step.
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 to 4, the present embodiment provides a dual material mold with a flow blocking device, including a first female mold 1, a second female mold 2, and a male mold 3, wherein the first female mold 1 is provided with a first female mold core 4, the second female mold 2 is provided with a second female mold core 5, the male mold 3 is provided with a male mold core 6, the first female mold core 4 cooperates with the male mold core 6 to mold a first material, and the second female mold core 5 cooperates with the male mold core 6 after the first material is molded to mold a second material on the first material; the double-material die further comprises a flow blocking device for blocking the flow of the first material, the flow blocking device is arranged in the male die 3, and the flow blocking device comprises:
the compression bar 7 penetrates through the core insert 6 and can move in the core insert 6 along the die opening direction;
the movable insert 8 penetrates through the core insert 6 and is arranged on one side of the compression bar 7; and
the rocker 9 is arranged at the bottom ends of the pressure lever 7 and the movable insert 8, the rocker 9 comprises a first abutting part 11 and a second abutting part 12, and a hemispherical convex block 10 is arranged at the bottom end of the rocker 9 so that the rocker 9 can incline;
the bottom end of the pressing rod 7 is in contact with the first abutting portion 11, and the bottom end of the movable insert 8 is in contact with the second abutting portion 12, so that when the pressing rod 7 moves downwards under the action of the first cavity insert 4, the pressing rod 7 can act on the first abutting portion 11 to incline the warping plate 9, and further the second abutting portion 12 acts on the movable insert 8 to enable the movable insert 8 to move upwards until part of the movable insert 8 is inserted into the first cavity insert 4.
The embodiment provides a double-material die with a flow blocking device, which is used for processing injection products. The double-material die with the flow blocking device comprises a male die 3, a first female die 1, a second female die 2, a first material pipe filled with a first material and a second material pipe filled with a second material.
The male die 3 is provided with a male die core 6, and the first female die 1 is provided with a first female die core 4. When the first female die 1 and the male die 3 are in a die closing state, the first material pipe injects a first material into a first cavity between the male die core 6 and the first female die core 4, so that the first material is molded into a semi-finished product. After the first material is formed, the first female die 1 and the male die 3 are opened, at this time, a semi-finished product formed by processing the first material is not ejected but is left on the male die 3, and the first female die 1 is removed from the upper part of the male die 3 to wait for the next processing.
The second female mold insert 5 is disposed in the second female mold 2. After the first female mold half 1 is removed from the male mold half 3, the second female mold half 2 is moved to the position above the male mold half 3 so that the second female mold half 2 and the male mold half 3 are closed, and at the moment, the semi-finished product formed by the first material is still in the male mold core 6. When the second female die 2 and the male die 3 are in a die closing state, the second material pipe injects a second material into a second cavity between the male die core 6 and the second female die core 5, so that the second material is molded on a semi-finished product, and a finished product is finally obtained.
During the processing, a gate of the second material is required to be formed on the semi-finished product molded by the first material. Therefore, in this embodiment, a flow blocking device capable of blocking flow of the first material is disposed between the first cavity insert 4 and the core insert 6 at a position corresponding to the second material gate, and then the second material fills the gate. The choke device is arranged in the male die 3 in the embodiment, so that the internal structure design of the first female die 1 is not influenced, the space of the first female die 1 is saved, and the structural design of the first female die 1 is facilitated.
Because the choked flow device is located in public mould 3, public mould 3 and first female mould 1 and with the cooperation processing product of second female mould 2, therefore the choked flow device needs can be adapted to the processing demand of first female mould 1 and second female mould 2 simultaneously. Based on this, the choke device in this embodiment includes a press rod 7, a movable insert 8 and a seesaw 9.
The male die 3 is provided with a first mounting groove along the parting surface thereof for mounting a pressure bar 7, and the pressure bar 7 penetrates through the male die core 6 and can move in the male die core 6 along the die opening direction. The dimensions of the first mounting groove are adapted to the dimensions of the pressure bar 7 so that the pressure bar 7 can move up and down in the first mounting groove in the opening direction. And when the compression bar 7 does not move downwards, the upper end of the compression bar 7 can partially extend out of the first mounting groove, so that the first cavity insert 4 above the male die 3 can act on the compression bar 7.
The first cavity insert 4 is provided with a top pillar 17 at a position corresponding to the compression bar 7 of the core insert 6. When the first female die 1 and the male die 3 are in a die closing state, the top pillar 17 on the first female die core 4 can be in contact with the upper end of the pressing rod 7, and the first female die core 4 provides acting force along the die closing direction to the pressing rod 7 through the top pillar 17, so that the pressing rod 7 can move downwards along the die closing direction.
And a second mounting groove is also formed in the male die 3 along the parting surface of the male die for mounting the movable insert 8. The movable insert 8 is arranged in the core insert 6 in a penetrating way and is arranged on one side of the compression bar 7. A square notch is formed in the upper end of the movable insert 8, so that the movable insert 8 forms a first ejector rod 14 and a second ejector rod 15 which are arranged in parallel, and the first ejector rod 14 can be partially inserted into the first cavity insert 4.
A limiting block 13 is arranged in the second mounting groove, and the shape of the limiting block 13 is matched with that of the square notch. The stopper 13 is arranged in a square gap between the first ejector rod 14 and the second ejector rod 15, a certain distance is reserved between the bottom end of the stopper 13 and the end face of the movable insert 8 facing the bottom end of the stopper 13, the distance can enable the movable insert 8 to have an upward moving space, the movable insert 8 can move up to a preset position, and when the movable insert 8 moves up to the preset position, the end face of the movable insert 8 facing the bottom end of the stopper 13 can be abutted against the bottom end of the stopper 13, the stopper 13 plays a limiting role in the movement of the movable insert 8, the movable insert 8 can be accurately stopped at the preset position when moving up, the movable insert 8 is prevented from moving up by an excessively large distance to damage the first female die core 4, and the movable insert 8 is prevented from moving up by an excessively large distance to cause adverse effects on the die assembly of the first female die 1 and the male die 3.
The upper end of the first ejector rod 14 is provided with a molding end surface, so that when the movable insert 8 does not move upwards, the molding end surface of the first ejector rod 14 can be matched with the second cavity insert 5 to mold a product.
A breaking surface is arranged in the first cavity insert 4 corresponding to the movable insert 8. Therefore, after the movable insert 8 moves upwards to the preset position, the first ejector rod 14 of the movable insert 8 can be partially inserted into the first cavity insert 4, so that the upper end surface of the first ejector rod 14 can be in contact with the broken surface, a flow blocking effect is achieved on the first material, and a sprue of the second material can be formed at a corresponding position on a semi-finished product formed by the first material, so that the second material can be conveniently filled.
And a third mounting groove is also formed in the male die 3. The third mounting groove is arranged at the bottom of the first mounting groove and the second mounting groove. The third mounting groove is used for mounting the rocker 9.
The seesaw 9 is arranged at the bottom ends of the pressure lever 7 and the movable insert 8. The rocker 9 comprises a first abutting portion 11 and a second abutting portion 12, and a hemispherical convex block 10 is arranged in the middle of the bottom end of the rocker 9, so that the rocker 9 can be inclined. The bottom and the third mounting groove of first mounting groove are the intercommunication to make the bottom of depression bar 7 can with the first portion 11 contact setting that supports of holding of wane 9. The bottom end of the second mounting groove is communicated with the third mounting groove, so that the bottom end of the movable insert 8 can be in contact with the second abutting part 12 of the wane 9.
Because the bottom end of the press rod 7 is in contact with the first abutting part 11, and the bottom end of the movable insert 8 is in contact with the second abutting part 12, when the top pillar 17 in the first mold core acts on the press rod 7 to move the press rod 7 downwards, the press rod 7 can act on the first abutting part 11 to enable the warping plate 9 to tilt downwards, further enable the second abutting part 12 to tilt upwards to provide an upward acting force for the movable insert 8 along the mold opening direction, and finally enable the first top rod 14 of the movable insert 8 to move upwards to be partially inserted into the first mold core 4, so that the first top rod 14 of the movable insert 8 can block flow of a first material in a first cavity between the male mold core 6 and the first mold core 4 in a mold closing state of the male mold 3 and the first female mold 1, and a gate of the second material is formed on a semi-finished product formed by the first material.
In this embodiment, the position of the second cavity insert 5 corresponding to the pressing rod 7 is spaced from the pressing rod 7, so that when the second female mold 2 and the male mold 3 are closed, the second cavity insert 5 does not act on the pressing rod 7 in the male mold insert 6, the pressing rod 7 does not move down, the movable insert 8 does not move in the second mounting groove, the second material is not choked, and the second material can flow into the gate of the semi-finished product formed by the first material and fill the gate. And the forming end surface of the first ejector rod 14 of the movable insert 8 is matched with the second cavity insert 5 to form the second material, and finally a finished product is obtained.
In this embodiment, a step 18 is disposed on the side wall of the third mounting groove facing the first abutting portion 11, and the bottom end of the first abutting portion 11 can abut against the step 18 when the rocker 9 is not tilted, so that the rocker 9 can be balanced when the pressing rod 7 does not move down.
The present embodiment is provided with a pressing piece 16 at the bottom end of the pressing rod 7. The cross-sectional area of the pressure piece 16 is larger than that of the pressure rod 7. The smaller size of the compression bar 7 can save the distribution space of the compression bar 7 in the core insert 6. And the size of the pressing block 16 is larger, so that the first abutting part 11 of the rocker 9 can be effectively prevented from being separated from the pressing block 16, and the pressing block 16 can act on the rocker 9 more stably.
The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. A double-material die with a flow blocking device comprises a first female die, a second female die and a male die, wherein a first female die core is arranged in the first female die, a second female die core is arranged in the second female die, a male die core is arranged in the male die, the first female die core is matched with the male die core to form a first material, and the second female die core can be matched with the male die core after the first material is formed to form a second material on the first material; the double-material die is characterized by further comprising a flow blocking device used for blocking the flow of the first material, wherein the flow blocking device is arranged in the male die and comprises:
the compression bar penetrates through the core insert and can move in the core insert along the die opening direction;
the movable insert penetrates through the core insert and is arranged on one side of the compression bar; and
the rocker is arranged at the bottom ends of the pressure rod and the movable insert and comprises a first abutting part and a second abutting part, and a hemispherical convex block is arranged at the bottom end of the rocker so that the rocker can be inclined;
the bottom end of the pressing rod is in contact with the first abutting portion, and the bottom end of the movable insert is in contact with the second abutting portion, so that when the pressing rod moves downwards under the action of the first cavity insert, the pressing rod can act on the first abutting portion to enable the warping plate to incline, and then the second abutting portion acts on the movable insert to enable the movable insert to move upwards to be partially inserted into the first cavity insert.
2. The double-material mold with the flow blocking device according to claim 1, wherein the male mold is provided with a first mounting groove along a parting surface thereof for mounting the compression bar, a second mounting groove along the parting surface thereof for mounting the movable insert, and a third mounting groove at the bottom of the first mounting groove and the second mounting groove for mounting the rocker; the bottom end of the first mounting groove is communicated with the third mounting groove so that the bottom end of the pressing rod can be in contact with the first abutting portion, and the bottom end of the second mounting groove is communicated with the third mounting groove so that the bottom end of the movable insert can be in contact with the second abutting portion.
3. The double-material die with the flow blocking device as claimed in claim 2, wherein a square notch is formed at the upper end of the movable insert so that the movable insert forms a first ejector rod and a second ejector rod which are arranged in parallel, and the first ejector rod can be partially inserted into the first cavity insert.
4. The double-material die with the flow blocking device as claimed in claim 3, wherein a limiting block is arranged in the second mounting groove, and the limiting block is arranged between the first ejector rod and the second ejector rod, so that when the movable insert moves up to a preset position, the movable insert can be abutted against the bottom end of the limiting block.
5. The double-material die with the flow blocking device according to claim 3 or 4, wherein a molding end surface is arranged at the upper end of the first ejector rod, so that the molding end surface of the first ejector rod can be matched with the second cavity insert to mold the second material when the movable insert does not move upwards.
6. The dual material mold with flow blocking device as claimed in claim 1, wherein the first cavity insert is provided with a breaking surface corresponding to the movable insert, so that an upper end surface of the movable insert can contact with the breaking surface when the movable insert moves upwards to be partially inserted into the first cavity insert.
7. The dual material mold with flow blocking device as claimed in claim 1, wherein the first cavity insert is provided with a top pillar corresponding to the press rod, so that when the first female mold and the male mold are closed, the first cavity insert can provide a force along the mold closing direction to the press rod through the top pillar, so that the press rod moves downward.
8. The double-material die with the flow blocking device according to claim 2, wherein a step is provided on a side wall of the third mounting groove facing the first abutting portion, and a bottom end of the first abutting portion can abut against the step when the rocker is not tilted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085113.7U CN211640742U (en) | 2019-11-28 | 2019-11-28 | Double-material die with flow blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922085113.7U CN211640742U (en) | 2019-11-28 | 2019-11-28 | Double-material die with flow blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211640742U true CN211640742U (en) | 2020-10-09 |
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ID=72693577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922085113.7U Active CN211640742U (en) | 2019-11-28 | 2019-11-28 | Double-material die with flow blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211640742U (en) |
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2019
- 2019-11-28 CN CN201922085113.7U patent/CN211640742U/en active Active
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