CN217144709U - Injection mould of automatic gate of cutting of PVC packing ring - Google Patents
Injection mould of automatic gate of cutting of PVC packing ring Download PDFInfo
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- CN217144709U CN217144709U CN202220353466.XU CN202220353466U CN217144709U CN 217144709 U CN217144709 U CN 217144709U CN 202220353466 U CN202220353466 U CN 202220353466U CN 217144709 U CN217144709 U CN 217144709U
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Abstract
The utility model discloses an injection mould of automatic gate of cutting of PVC packing ring, including cope match-plate pattern portion and lower mould portion, the cope match-plate pattern portion includes fixed connection's upper replica and cope match-plate pattern, and the middle part is provided with the raw materials import above the upper replica, and the lower surface of cope match-plate pattern is equipped with upper die cavity and runner, and through the formula of hiding runner intercommunication between runner and the upper die cavity, the upper replica raw materials import is linked together with the runner of cope match-plate pattern; the lower die part comprises a material pushing plate, a fixing plate, die feet, an ejection system and a lower compound plate, wherein a core corresponding to the upper die cavity is arranged on the fixing plate, a through hole corresponding to the core in size is formed in the material pushing plate, and the upper die cavity, the core and the material pushing plate are combined into a cavity of a product. Through the utility model discloses, optimize the upgrading to the mould structure, change the side runner into the runner of hiding, the shaping goods realizes runner and goods autosegregation under ejection system's drive to realize automatic cutting, need not the manual work and to the pruning of goods runner, improved production efficiency, reduced artifical intensity.
Description
Technical Field
The utility model belongs to the injection mold field, concretely relates to automatic injection mold of cutting runner of PVC packing ring.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used when parts with complex shapes are produced in batches, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.
Most of existing injection molds for producing PVC gaskets are of one-mold four-cavity or eight-cavity two-plate mold structures, each cavity is connected with a sprue through a runner, and the sprue is mainly a side sprue, so that after each product is molded, manual shearing is needed, the manual strength is high, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the above problem condition, the utility model provides an automatic injection mould of cutting runner of PVC packing ring solves the technical problem that intensity of labour is high, production efficiency is low among the prior art.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
an injection mold for automatic gate shearing of a PVC gasket comprises an upper mold part and a lower mold part, wherein the lower mold part is arranged below the upper mold part and is opposite to the upper mold part, the upper mold part comprises an upper compound plate and an upper mold plate which are fixedly connected, a raw material inlet is arranged in the middle of the upper part of the upper compound plate, an upper cavity and a runner are arranged on the lower surface of the upper mold plate, the runner is communicated with the upper cavity through a submarine gate, and the raw material inlet of the upper compound plate is communicated with the runner of the upper mold plate through a through hole; the lower die part comprises a material pushing plate, a fixing plate, die feet, an ejection system and a lower compound plate, wherein a core corresponding to the upper die cavity is arranged on the fixing plate, a through hole corresponding to the size of the core is formed in the material pushing plate, the core is arranged higher than the material pushing plate, and the upper die cavity, the core and the material pushing plate are combined into a cavity of a product.
As a further technical scheme, the number of the flow channels corresponds to that of the upper cavity and the cores.
As a further technical scheme, the material pushing plate of the lower die part is arranged on the fixed plate, die feet are arranged on two sides of the lower part of the fixed plate and arranged on the lower compound plate, and the ejection system is arranged between the die feet and connected with the lower compound plate.
As a further technical scheme, ejection system includes thimble board, release link and bottom pump, the upper end and the scraping wings fixed connection of release link, the lower extreme and the thimble board of release link are connected, and the thimble board sets up under on the compound board, and the bottom pump sets up in the middle part through-hole department of compound board down, and the upper portion and the thimble board of bottom pump contact.
As a further technical scheme, the ejector plate comprises an upper ejector plate and a lower ejector plate, the upper ejector plate is arranged on the lower ejector plate, the lower ejector plate is arranged on the lower compound plate, and the height of the mold leg is larger than the overlapping height of the upper ejector plate and the lower ejector plate, so that a gap is formed between the upper ejector plate and the fixed plate.
As a further technical scheme, the core is also provided with an exhaust hole.
As a further technical scheme, a return spring is arranged outside the return rod.
As a further technical scheme, the number of the flow channels, the upper cavity and the cores is 4 or 8.
Through the utility model discloses technical scheme optimizes the upgrading to traditional mould structure, changes the side runner into formula runner of hiding, and shaping goods realizes runner and goods autosegregation under ejection system's drive like this to realize automatic cutting, need not artifical pruning to the goods runner, improved production efficiency, reduced artifical intensity.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the upper mold part of the present invention;
FIG. 3 is a schematic view of the lower mold part of the present invention;
in the figure: 1. an upper compound plate; 2. mounting a template; 3. a material pushing plate; 4. a fixing plate; 5. a reset lever; 6. a mould leg; 7. a lower compound plate; 8. an ejector plate; 9. a submarine gate; 10. a flow channel; 11. a core; 12. an upper cavity; 13. a bottom pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, the injection mold for the PVC automatic gate shearing comprises an upper mold part and a lower mold part, wherein the upper mold part comprises an upper compound plate 1 and an upper mold plate 2, a raw material inlet is arranged in the middle of the upper part of the upper compound plate 1, a flow channel 10 and an upper cavity 12 are arranged on the lower surface of the upper mold plate 2, and the flow channel 10 is communicated with the upper cavity 12 through a submarine gate 9. The raw material inlet of the upper compound plate 1 is communicated with the flow channel 10 of the upper template 2 through a through hole.
The utility model discloses a lower mould portion includes scraping wings 3, fixed plate 4, mould foot 6, ejecting system and lower compound plate 7, and scraping wings 3 of lower mould portion sets up on fixed plate 4, and 4 lower part both sides of fixed plate are provided with mould foot 6, and mould foot 6 sets up under on compound plate 7, ejecting system sets up between mould foot 6 to link to each other with compound plate 7 down.
The fixed plate 4 is provided with a core 11 corresponding to the center of the upper cavity 12, the material pushing plate 3 is provided with a through hole corresponding to the size of the core 11, so that the core 11 can penetrate through the material pushing plate 3 and is arranged higher than the material pushing plate 3, the bottom of the core 11 is fixed on the fixed plate 4, the outer diameter of the core 11 is smaller than the size of the upper cavity 12, the upper cavity 12 is an inner concave die, and a forming cavity of a product is formed by combining the upper cavity 12, the core 11 and the material pushing plate 3.
The utility model discloses an ejection system includes thimble board 8, release link 5 and bottom pump 13, the upper end and the 3 fixed connection of scraping wings of release link 5, the lower extreme of release link 5 are connected with thimble board 8, and thimble board 8 sets up under on compound board 7, and the middle part of compound board 7 is provided with the through-hole down, and bottom pump 13 sets up the middle part through-hole department of compound board 7 under, and the upper portion of bottom pump 13 contacts with thimble board 8, can drive thimble board 8 and rise and descend.
Preferably, the core 11 is further provided with an exhaust hole, so that air in the molding cavity can be exhausted during casting, and the quality of an injection molding product is ensured.
Preferably, a return spring is further arranged outside the return rod 5, so that after the ejection system finishes pushing materials, the return spring can further assist the ejector plate 8 to return.
The number of the flow channels 10, the upper cavity 12 and the core 11 in this embodiment is 4, and the flow channels are designed for 4 films and distributed in a cross shape.
The utility model discloses an automatic injection mould of cutting runner of PVC packing ring specifically is when using, and after injection machine control cope match-plate pattern portion and lower mould portion compound die, the raw materials got into through the raw materials import at 1 top of compound board, and each branch runner 10 of upper die plate 2 is arrived in the rethread, and inside formula of hiding runner 9 through each runner 10 got into last die cavity 12, the completion pouring, and the shaping finishes after treating the PVC packing ring cooling. Then the upper die part and the lower die part are opened, an ejector plate 8 of the ejection system is lifted under the action of a bottom pump 13, and the ejector plate 3 moves upwards through a reset rod 5, so that the formed PVC gasket is ejected. After the material is taken, the ejection system returns to the initial state under the action of the bottom pump 13 and the return spring, and the subsequent production of products is carried out.
Because the utility model discloses change the side runner into formula of hiding runner 9, formula of hiding runner 9 is less for the side runner, and the shaping goods realizes runner 10 and goods autosegregation under ejection system's drive to realize automatic cutting, need not the manual work and to the pruning of goods runner, improved production high efficiency, reduced artificial strength.
Example 2
The number of the flow channels 10, the upper cavity 12 and the core 11 in this embodiment is 8, and the flow channels are designed for 8 films and distributed in a shape like a Chinese character 'mi', and the others are the same as those in embodiment 1.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The injection mold for the automatic gate shearing of the PVC gasket is characterized by comprising an upper mold part and a lower mold part, wherein the lower mold part is arranged below the upper mold part and is opposite to the upper mold part, the upper mold part comprises an upper compound plate (1) and an upper mold plate (2) which are fixedly connected, a raw material inlet is formed in the middle of the upper part of the upper compound plate (1), an upper cavity (12) and a runner (10) are formed in the lower surface of the upper mold plate (2), the runner (10) is communicated with the upper cavity (12) through a hidden gate (9), and the raw material inlet of the upper compound plate (1) is communicated with the runner (10) of the upper mold plate (2) through a through hole; the lower die part comprises a material pushing plate (3), a fixing plate (4), die feet (6), an ejection system and a lower compound plate (7), wherein a core (11) corresponding to the center of an upper cavity (12) is arranged on the fixing plate (4), a through hole corresponding to the core (11) in size is formed in the material pushing plate (3), the core (11) is higher than the material pushing plate (3), the outer diameter of the core (11) is smaller than the size of the upper cavity (12), and the upper cavity (12), the core (11) and the material pushing plate (3) are combined into a cavity of a product.
2. The injection mold for the automatic gate shearing of the PVC gasket as recited in claim 1, characterized in that the number of the runners (10) corresponds to the number of the upper cavities (12) and the cores (11).
3. The injection mold for the automatic gate shearing of the PVC gasket as recited in claim 1, characterized in that the material pushing plate (3) of the lower mold part is positioned at the upper part of the fixed plate (4), mold legs (6) are arranged at both sides of the lower part of the fixed plate (4), the mold legs (6) are arranged on the lower compound plate (7), and the ejection system is arranged between the mold legs (6) and connected with the lower compound plate (7).
4. The injection mold for the automatic gate shearing of the PVC gasket as recited in claim 3, wherein the ejection system comprises an ejector plate (8), a reset rod (5) and a bottom pump (13), the upper end of the reset rod (5) is fixedly connected with the material pushing plate (3), the lower end of the reset rod (5) is connected with the ejector plate (8), the ejector plate (8) is arranged on the lower compound plate (7), the bottom pump (13) is arranged at a middle through hole of the lower compound plate (7), and the upper part of the bottom pump (13) is in contact with the ejector plate (8).
5. The injection mold for the automatic gate shearing of the PVC gasket as recited in claim 4, characterized in that the ejector plate (8) comprises an upper ejector plate and a lower ejector plate, the upper ejector plate is arranged on the lower ejector plate, the lower ejector plate is arranged on the lower compound plate (7), and the height of the mold foot (6) is larger than the overlapped height of the upper ejector plate and the lower ejector plate, so that a gap is formed between the upper ejector plate and the fixed plate (4).
6. The injection mold for the automatic shear gate of a PVC gasket as claimed in claim 1, wherein a vent hole is further provided on the core (11).
7. The injection mold of the PVC gasket automatic shear gate according to claim 4, wherein a return spring is further arranged outside the return rod (5).
8. The injection mold for the automatic shear gate of the PVC gasket as claimed in claim 2, wherein the number of the runner (10), the upper cavity (12) and the core (11) is 4 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220353466.XU CN217144709U (en) | 2022-02-22 | 2022-02-22 | Injection mould of automatic gate of cutting of PVC packing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220353466.XU CN217144709U (en) | 2022-02-22 | 2022-02-22 | Injection mould of automatic gate of cutting of PVC packing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217144709U true CN217144709U (en) | 2022-08-09 |
Family
ID=82690022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220353466.XU Active CN217144709U (en) | 2022-02-22 | 2022-02-22 | Injection mould of automatic gate of cutting of PVC packing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217144709U (en) |
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2022
- 2022-02-22 CN CN202220353466.XU patent/CN217144709U/en active Active
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