CN215359631U - Suction nozzle is mould equipment for injection moulding - Google Patents
Suction nozzle is mould equipment for injection moulding Download PDFInfo
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- CN215359631U CN215359631U CN202121514412.9U CN202121514412U CN215359631U CN 215359631 U CN215359631 U CN 215359631U CN 202121514412 U CN202121514412 U CN 202121514412U CN 215359631 U CN215359631 U CN 215359631U
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Abstract
The utility model discloses a die device for injection molding of a suction nozzle, which comprises an injection molding machine, an injection upper die and an injection lower die, wherein the injection upper die is arranged on the injection molding machine; the injection lower die is provided with a forming female die; the injection upper die comprises an ejector plate, four guide ejector pins, a male die connecting plate and an inner slide male die assembly; the male die connecting plate is arranged between the ejector plate and the injection lower die, and the lower end of the guide ejector pin of the male die connecting plate is connected; a spring is sleeved on the guide thimble; the inner-walking male die assembly comprises a male die body, a piston type shovel base and two inner-walking slide blocks; the convex die body penetrates through the convex die connecting plate, and a cavity is formed in the convex die body; the piston type shovel base is provided with a plug part and a rod part; one end of the rod part is connected to the plug part, the other end of the rod part movably penetrates through the convex die body and then penetrates through the ejector plate, and the inner slide block penetrates through the lower end of the convex die body; the utility model has compact integral structure and small volume, greatly reduces the position arrangement distance of products, improves the processing efficiency of the mould structure, reduces the tonnage of an injection molding machine table and saves the production cost of the products.
Description
Technical Field
The utility model relates to a die device for injection molding of a suction nozzle.
Background
The existing plastic mold for the suction nozzle has the advantages that the male mold and the inner row position are in split structural design, so that the mold is large in size, the production cost is increased, particularly for a mold structure with one mold and multiple cavities, the inner row position occupies large space, the row position interval of a product is large, the machining efficiency of the mold structure is seriously restricted, the tonnage of an injection molding machine is increased, and the production cost of the product is increased.
Disclosure of Invention
The utility model aims to overcome the defects and provide a die device for injection molding of a suction nozzle.
In order to achieve the purpose, the utility model adopts the following specific scheme:
a mold device for injection molding of a suction nozzle comprises an injection molding machine, an injection upper mold and an injection lower mold;
the injection molding machine is provided with an injection molding workbench, and the injection molding workbench is provided with an injection molding movable end and an injection molding fixed end; the injection molding lower die is arranged at the fixed end of the injection molding workbench and is provided with at least one forming female die;
the injection upper die comprises an ejector plate, four guide ejector pins, a male die connecting plate and at least one inner-row male die assembly;
the ejector plate is fixedly connected to the movable end of the injection molding workbench; the four guide thimbles are distributed in a rectangular shape, and the lower ends of the guide thimbles penetrate through the thimble plate in a downward movable manner; the male die connecting plate is arranged between the ejector plate and the injection lower die and fixedly connected with the lower ends of the four guide ejector pins; each guide thimble is sleeved with a spring, and two ends of each spring are respectively abutted against the thimble plate and the male die connecting plate; the number of the inner slide male die assemblies and the number of the forming female dies are arranged in a one-to-one correspondence manner;
each inner slide punch assembly comprises a punch body, a piston type shovel base and two inner slide blocks; the convex die body is fixedly penetrated through the convex die connecting plate, and a cavity is formed in the convex die body; the piston type shovel base is provided with a plug part and a rod part; the plug part is arranged in the cavity, one end of the rod part is connected to the plug part, the other end of the rod part movably penetrates through the upper end of the convex die body and then fixedly penetrates through the ejector plate, and the cavity is divided into a rodless cavity and a rod cavity; the two inner slide blocks are symmetrically arranged and respectively movably penetrate through the lower end of the convex die body; one end of the inner slide block extends into the rodless cavity.
Furthermore, a blind hole is formed in one end of the inner slide block along the length direction of the inner slide block.
The piston type shovel base is further provided with a pressure relief through hole which penetrates through the plug part and the rod part along the direction of the central axis, and a pressure relief valve is arranged in the pressure relief through hole.
Furthermore, the peripheral wall of the convex die body is provided with a cooling channel for injecting cooling liquid.
Furthermore, the other end part of the inner slide block is provided with a bulge matched with an inverted buckle structure for the product.
The injection molding lower die comprises a concave die holder, the concave die holder is arranged at the injection molding fixed end of the injection molding workbench, and the molding concave die is arranged on the concave die holder.
The utility model has the beneficial effects that: the piston type shovel base is matched with the convex die body to form the cylinder type structure, so that the two inner slide blocks are driven to slide under the action of air pressure, the whole structure is compact, the size is small, the product arrangement distance is greatly reduced, the machining efficiency of the die structure is improved, the tonnage of an injection molding machine table is reduced, and the production cost of the product is saved.
Simultaneously, because the one end of two interior line position sliders all is located no pole intracavity to the stroke that makes two interior line position sliders inwards withdraw is bigger, and the end face contact of two direct interior line position sliders supports and leans on, and then is applicable to the processing of the product that the volume is littleer.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the inner slide punch assembly of the present invention;
FIG. 3 is a schematic cross-sectional view of the inner punch assembly of the present invention;
FIG. 4 is a schematic structural diagram of a boss body according to the present invention;
description of reference numerals: a1, an injection molding machine; a2, injection molding an upper die; a21, an ejector plate; a22, a guide thimble; a23, a male die connecting plate; a24, an inner slide punch assembly; a25, spring; a3, injection molding of a lower die; a31, forming a concave die; a32, a concave die holder; 1. a convex mould body; 11. a cooling channel; 2. a piston type shovel base; 21. a plug portion; 22. a rod portion; 23. a pressure relief through hole; 24. a pressure relief valve; 3. an inner slide block; 31. blind holes; 32. a protrusion; 4. a tension spring.
Detailed Description
The utility model will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the utility model.
As shown in fig. 1 to 4, a mold apparatus for nozzle injection molding according to the present embodiment includes an injection molding machine a1, an upper injection mold a2, and a lower injection mold a 3;
the injection molding machine a1 is provided with an injection molding workbench which is provided with an injection molding movable end and an injection molding fixed end; the injection molding lower die a3 is arranged at the fixed end of the injection molding workbench, and the injection molding lower die a3 is provided with at least one forming concave die a 31; the injection upper die a2 comprises an ejector plate a21, four guide ejector pins a22, a punch connecting plate a23 and at least one inner-position punch assembly a 24;
the ejector plate a21 is fixedly connected to the movable end of the injection molding workbench; the four guide thimbles a22 are distributed in a rectangular shape, and the lower ends of the guide thimbles a22 penetrate through the thimble plate a21 in a downward moving manner; the male die connecting plate a23 is arranged between the ejector plate a21 and the injection lower die a3, and the male die connecting plate a23 is fixedly connected with the lower ends of four guide ejector pins a 22; each guide thimble a22 is sleeved with a spring a25, and two ends of the spring a25 are respectively abutted with the thimble plate a21 and the punch connecting plate a 23; the number of the inner-row male die assemblies a24 is one-to-one corresponding to the number of the forming female dies a31, specifically, the number of the forming female dies a31 and the inner-row male die assemblies a24 can be two, four, six, eight and the like, and the inner-row male die assemblies a24 and the inner-row male die assemblies a24 are freely set according to the size of a product;
each inner slide punch assembly a24 comprises a punch body 1, a piston type shovel base 2 and two inner slide blocks 3; the convex die body 1 is fixedly penetrated through a convex die connecting plate a23, and a cavity is formed in the convex die body 1; the piston type shovel base 2 is provided with a plug part 21 and a rod part 22; the plug part 21 is arranged in the cavity, one end of the rod part 22 is connected to the plug part 21, the other end of the rod part 22 movably penetrates through the upper end of the convex die body 1 and then fixedly penetrates through the ejector plate a21, and the cavity is divided into a rodless cavity and a rod cavity; the two inner slide blocks 3 are symmetrically arranged and respectively and movably penetrate through the lower end of the convex die body 1; one end of the inner slide block 3 extends into the rodless cavity.
The working mode of the embodiment is as follows: the movable end of an injection molding workbench of an injection molding machine a1 drives an injection molding upper die a2 to move downwards through an ejector plate a21 until a male die connecting plate a23 is attached to the top surface of the injection molding lower die a3, and all male die bodies 1 are inserted into a molding female die a31 in a one-to-one correspondence manner to be matched, then the movable end of the injection molding workbench continues to press the ejector plate a21 downwards, so that the ejector plate a21 moves downwards relative to the male die connecting plate a23, at the moment, a spring a25 is compressed, the ejector plate a21 presses downwards a plug part 21 of a piston-type shovel base 2 through a rod part 22 of the piston-type shovel base 2, so that the plug part 21 slides downwards in a cavity, the volume of a rodless cavity is reduced, the pressure is increased, and two inner slide blocks 3 slide outwards under the action of pressure, and then the injection molding process is carried out; after injection molding is completed, the movable end of the injection workbench drives the injection upper mold a2 to move upwards through an ejector plate a21, at the moment, due to the action of a spring a25, the punch connecting plate a23 is kept in a state of being attached to the injection lower mold a3, the movable end of the injection workbench drives an ejector plate a21 to move upwards relative to a punch connecting plate a23, the spring a25 recovers deformation, the ejector plate a21 drives the plug part 21 to move upwards through the rod part 22, so that the size of the rodless cavity is increased, the pressure is reduced, the two inner slide blocks 3 are inwards retracted under the action of pressure, the mold opening action is facilitated, after the two inner slide blocks 3 are retracted, and when the guide ejector pins a22 limit the ejector plate a21, the movable end of the injection workbench drives the connecting plate a23 to move upwards through the ejector plate a21, so that the whole injection upper mold a2 is driven to move upwards, and the mold opening action is completed.
This embodiment forms cylinder formula structure through cooperating piston shovel base 2 with the die body 1 to utilize the atmospheric pressure effect to drive two interior line sliders and slide, overall structure is compact, and is small, dwindles the ranking interval of product greatly, improves the machining efficiency of mould structure, reduces the tonnage of injection molding machine a1 platform, saves product manufacturing cost.
Simultaneously, because the one end of two interior line position sliders 3 all is located no pole intracavity to the stroke that makes two interior line position sliders 3 inwards withdraw is bigger, and the end face contact of two direct interior line position sliders 3 supports and leans on, and then is applicable to the processing of the product that the volume is littleer.
In this embodiment, the injection lower mold a3 includes a mold cavity a32, the mold cavity a32 is disposed on the injection fixing end of the injection workbench, and the forming mold a31 is disposed on the mold cavity a 32; in actual use, the punch connecting plate a23 is abutted against the top surface of the die holder a32 to carry out die closing action; of course, a guide rod can be arranged between the punch connecting plate a23 and the die holder a32 to guide the up-and-down movement process of the injection upper die a2, so as to ensure the accuracy of the die closing action.
Based on the above embodiment, further, one end of the inner slide block 3 is provided with a blind hole 31 along the length direction thereof. So set up, both can lighten the weight of interior line position slider 3 to control interior line position slider 3 and slide, can increase the heat radiating area of interior line position slider 3 again.
Based on the above embodiment, further, the piston type shovel base 2 has a pressure relief through hole 23 penetrating through the plug portion 21 and the rod portion 22 along the central axis direction, and a pressure relief valve 24 is arranged in the pressure relief through hole 23. When the pressure in the rodless cavity is overlarge, the pressure relief valve 24 is opened and then is discharged through the pressure relief through hole 23, so that the rod part 22 of the piston type shovel base 2 is ensured to push the plug part 21 to be pressed down to the position.
Based on the above embodiment, further, the peripheral wall of the die block 1 is provided with a cooling channel 11 for injecting cooling liquid. Specifically, cooling channel 11 is along four lateral walls of die block 1 and meanders and arranges, when carrying out the die sinking action, injects the coolant liquid into cooling channel 11, cools off die block 1, reduces cooling latency, does benefit to and improves production efficiency.
Based on the above embodiment, further, the other end of the inner slide block 3 is provided with a protrusion 32 for matching with the inverted structure of the product, and the protrusion 32 is matched with the inverted structure of the formed product, so that the mold opening action is facilitated, and the product quality is ensured.
Based on the above embodiment, further, the rod portion 22 is sleeved with the tension spring 4 for assisting the plug portion 21 to return; when the plug part 21 of the piston type shovel base 2 is reset, the tension spring 4 provides tension for the plug part 21 so as to ensure that the two inner slide blocks 3 are reliably retracted.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (6)
1. A die equipment for nozzle injection molding is characterized by comprising an injection molding machine (a1), an injection upper die (a2) and an injection lower die (a 3);
the injection molding machine (a1) is provided with an injection molding workbench which is provided with an injection molding movable end and an injection molding fixed end; the injection molding lower die (a3) is arranged at the fixed end of the injection molding workbench, and the injection molding lower die (a3) is provided with at least one forming concave die (a 31);
the injection upper die (a2) comprises an ejector plate (a21), four guide ejector pins (a22), a punch connecting plate (a23) and at least one inner slide punch assembly (a 24);
the ejector plate (a21) is fixedly connected to the movable end of the injection molding workbench; the four guide thimbles (a22) are distributed in a rectangular shape, and the lower ends of the guide thimbles (a22) penetrate through the thimble plate (a21) in a downward moving manner; the male die connecting plate (a23) is arranged between the ejector plate (a21) and the injection lower die (a3), and the male die connecting plate (a23) is fixedly connected with the lower ends of the four guide thimbles (a 22); each guide thimble (a22) is sleeved with a spring (a25), and two ends of each spring (a25) are respectively abutted with the thimble plate (a21) and the punch connecting plate (a 23); the number of the inner slide punch assemblies (a24) is in one-to-one correspondence with the number of the forming female dies (a 31);
each inner slide punch assembly (a24) comprises a punch body (1), a piston type shovel base (2) and two inner slide blocks (3); the convex die body (1) is fixedly penetrated through the convex die connecting plate (a23), and a cavity is formed in the convex die body (1); the piston type shovel base (2) is provided with a plug part (21) and a rod part (22); the plug part (21) is arranged in the cavity, one end of the rod part (22) is connected to the plug part (21), and the other end of the rod part (22) movably penetrates through the upper end of the die body (1) and then fixedly penetrates through the ejector plate (a21), so that the cavity is divided into a rodless cavity and a rod cavity; the two inner slide blocks (3) are symmetrically arranged and movably penetrate through the lower end of the convex die body (1) respectively; one end of the inner slide block (3) extends into the rodless cavity.
2. A nozzle injection molding die apparatus as claimed in claim 1, wherein one end of the inner slide block (3) is provided with a blind hole (31) along a length direction thereof.
3. The die equipment for suction nozzle injection molding according to claim 1, wherein the piston-type shovel base (2) has a pressure relief through hole (23) penetrating the plug portion (21) and the rod portion (22) in the central axis direction, and a pressure relief valve (24) is provided in the pressure relief through hole (23).
4. A nozzle injection molding die apparatus as claimed in claim 1, wherein a cooling passage (11) for injecting a cooling liquid is provided on a peripheral wall of the boss body (1).
5. A nozzle injection molding die apparatus as claimed in claim 1, wherein the other end of the inner slide (3) is provided with a projection (32) for engaging with an inverted structure of the product.
6. A nozzle injection molding die apparatus as claimed in claim 1, wherein the lower injection mold (a3) includes a cavity die holder (a32), the cavity die holder (a32) is provided on the injection fixing end of the injection table, and the molding cavity die (a31) is provided on the cavity die holder (a 32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121514412.9U CN215359631U (en) | 2021-07-05 | 2021-07-05 | Suction nozzle is mould equipment for injection moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121514412.9U CN215359631U (en) | 2021-07-05 | 2021-07-05 | Suction nozzle is mould equipment for injection moulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215359631U true CN215359631U (en) | 2021-12-31 |
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ID=79607306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121514412.9U Active CN215359631U (en) | 2021-07-05 | 2021-07-05 | Suction nozzle is mould equipment for injection moulding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215359631U (en) |
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2021
- 2021-07-05 CN CN202121514412.9U patent/CN215359631U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A mold equipment for suction nozzle injection molding Effective date of registration: 20230515 Granted publication date: 20211231 Pledgee: Bank of China Co.,Ltd. Dongguan Branch Pledgor: Dongguan xinhuisheng Precision Industry Co.,Ltd. Registration number: Y2023980040533 |