CN222875216U - Plastic mould with automatic demoulding function - Google Patents
Plastic mould with automatic demoulding function Download PDFInfo
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- CN222875216U CN222875216U CN202422077421.6U CN202422077421U CN222875216U CN 222875216 U CN222875216 U CN 222875216U CN 202422077421 U CN202422077421 U CN 202422077421U CN 222875216 U CN222875216 U CN 222875216U
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Abstract
The utility model relates to the technical field of plastic molds, in particular to a plastic mold with an automatic demolding function, which comprises a lower mold main body, a lower mold and a plastic mold, wherein an upper connecting groove is formed in the lower mold main body; the upper die body moves upwards to separate from the lower die body, the spring loosens and pushes the lower die body and the limiting rod to move upwards along the limiting hole, the baffle plate fixedly connected to the top plate is separated from the through hole, the sealing gasket is communicated with the air cavity formed by the connecting plate and the lower connecting groove and the through hole, the air cavity formed by the sealing gasket, the connecting plate and the lower connecting groove pushes upwards the workpiece attached to the lower die body through the through hole to eject the workpiece, and the demolding of the workpiece is realized only through the air pushing mode in the whole demolding process without using metal structures such as ejector pins as ejection mechanisms, so that the workpiece is prevented from being scratched in the demolding process, the qualification rate of products produced by the device is improved, and the production efficiency of a production line is improved.
Description
Technical Field
The utility model relates to the field of plastic molds, in particular to a plastic mold with an automatic demolding function.
Background
The plastic mould is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.
In the prior art, after solidification and molding, a plastic product produced by a plastic mold is attached to the plastic mold, the plastic product is ejected out by using an automatic demolding structure on the mold, and then the plastic product is taken out by a worker.
However, the plastic mold with the automatic demolding function is usually ejected by using nails aiming at plastic products in the mold, the nails are easy to scratch the appearance of the plastic products in the ejection process of the plastic products, the phenomena of scratch and the like on the appearance of the plastic products are caused, the product qualification rate is reduced, and the production efficiency of a production line is affected.
Disclosure of utility model
The utility model aims to provide a plastic mold with an automatic demolding function, so as to solve the problems in the background technology.
The plastic mould with the automatic demoulding function comprises a lower mould main body, wherein an upper connecting groove is formed in the lower mould main body, a lower connecting groove is formed in the bottom surface of the lower mould main body, and a plurality of limiting rods are arranged on the lower mould main body;
And the upper die body is provided with a plurality of clamping blocks.
Preferably, a ventilation plate is arranged in the upper connecting groove and fixedly connected with an outer heat dissipation ring, and heat dissipation holes are formed in the outer heat dissipation ring.
Preferably, the limiting rod other end is arranged in a limiting hole formed in the base, the limiting rod can move up and down along the limiting hole, the limiting rod is fixedly connected with the lower die body, a spring is sleeved on the limiting rod, one end of the spring is fixedly connected with the lower die body, and the other end of the spring is fixedly connected with the base.
Preferably, the clamping block is of a square platy structure, the clamping block is fixedly connected with the upper die main body, the clamping block can be clamped into a clamping groove formed in the outer heat dissipation ring, and the clamping groove is of a square groove structure.
Preferably, the base is fixedly connected with a connecting plate, the base is fixedly connected with a top plate, the side surface of the connecting plate is fixedly connected with a sealing gasket, one end of the connecting plate and one end of the sealing gasket are clamped in a lower connecting groove formed in the bottom of the lower die main body, and the connecting plate and the sealing gasket can move up and down along the lower connecting groove.
Preferably, the top plate is of a square plate-shaped structure, a baffle plate fixedly connected to the top plate can be clamped into a through hole formed in the lower die main body, the top plate is fixedly connected with the connecting plate, an exhaust hole is formed in the connecting plate and communicated with an air cavity in the connecting plate, and the air cavity in the connecting plate is connected with an external air pump through a pipe.
Compared with the prior art, the utility model has the beneficial effects that:
according to the plastic mold with the automatic demolding function, when a plastic product between the lower mold body and the upper mold body is cooled and molded, the upper mold body moves upwards to be separated from the lower mold body, the spring loosens and pushes the lower mold body and the limiting rod to move upwards along the limiting hole, the baffle fixedly connected to the top plate is separated from the through hole, the air cavity formed by the sealing gasket, the connecting plate and the lower connecting groove is communicated with the through hole, air flows into the air cavity in the outer cooling ring through the hole formed by the through hole and the upper connecting groove, the flowing air cools the outer cooling ring, and further cools the workpiece on the lower mold body, the structures are matched with each other, so that the workpiece is cooled, the workpiece is conveniently demolded, the air in the air cavity formed by the sealing gasket, the connecting plate and the lower connecting groove pushes the workpiece attached to the lower mold body upwards through the through hole, the workpiece is ejected from the lower mold body, the workpiece is demolded in the whole demolding process by only pushing the air, the ejector pins and other metal structures are not used as ejection mechanisms, the workpiece is prevented from being scratched in the demolding process, the product yield generated by the device is improved, and the practicability is high.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 3 is a schematic view of a partial structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B;
FIG. 5 is a schematic view of a portion of the structure of the present utility model;
Fig. 6 is a schematic diagram of the internal structure of the present utility model.
In the figure, 1, a lower die main body; 2, an upper die main body, 3, a limiting rod, 4, an outer heat dissipation ring, 5, an upper connecting groove, 6, a through hole, 7, a lower connecting groove, 8, a clamping block, 9, a clamping groove, 10, a heat dissipation hole, 11, a ventilation plate, 12, a connecting plate, 13, a base, 14, a sealing gasket, 15, a spring, 16, a top plate, 17, a baffle plate, 18, an exhaust hole, 19 and a limiting hole.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
Example 1
Referring to fig. 1-6, the utility model provides a plastic mold with an automatic demolding function, which comprises a lower mold main body 1, an upper mold main body 2 and a lower mold main body, wherein an upper connecting groove 5 is formed in the lower mold main body 1, a lower connecting groove 7 is formed in the bottom surface of the lower mold main body 1, and a plurality of limiting rods 3 are arranged on the lower mold main body 1;
When the lower die body 1 is separated from the upper die body 2, gas in the air cavity formed by the sealing gasket 14, the connecting plate 12 and the lower connecting groove 7 pushes the workpiece attached to the lower die body 1 upwards through the through hole 6, and the workpiece is ejected from the lower die body 1.
Example two
On the basis of the first embodiment, in order to improve the demolding efficiency of the device, a limiting rod 3 is arranged in a limiting hole 19 formed in a base 13, the limiting rod 3 can move up and down along the limiting hole 19, the limiting rod 3 is fixedly connected with a lower die main body 1, a spring 15 is sleeved on the limiting rod 3, one end of the spring 15 is fixedly connected with the lower die main body 1, the other end of the spring 15 is fixedly connected with the base 13, when a plastic product between the lower die main body 1 and the upper die main body 2 is cooled and molded, the upper die main body 2 moves upwards to be separated from the lower die main body 1, the spring 15 is loosened to push the lower die main body 1 and the limiting rod 3 to move upwards along the limiting hole 19, a connecting plate 12 is fixedly connected to the base 13, a top plate 16 is fixedly connected to the base 13, a sealing gasket 14 is fixedly connected to the side surface of the connecting plate 12, one end of the connecting plate 12 and one end of the sealing gasket 14 are clamped in the lower connecting groove 7 formed at the bottom of the lower die main body 1, the connecting plate 12 and the sealing gasket 14 can move up and down along the lower connecting groove 7, a baffle plate 17 fixedly connected with a top plate 16 fixedly connected with the connecting plate 12 is separated from a through hole 6 formed on the lower die main body 1, an air cavity formed by the sealing gasket 14, the connecting plate 12 and the lower connecting groove 7 is communicated with the through hole 6, the top plate 16 is of a square plate-shaped structure, the baffle plate 17 fixedly connected with the top plate 16 can be clamped in the through hole 6 formed on the lower die main body 1, the top plate 16 is fixedly connected with the connecting plate 12, an air exhaust hole 18 is formed on the connecting plate 12, the air exhaust hole 18 is communicated with an air cavity in the connecting plate 12, the air cavity in the connecting plate 12 is connected with an external air pump through a pipe, the external air pump injects air into the cavity in the connecting plate 12 through the pipe, the air exhaust hole 18 is of a circular hole-shaped structure, the air enters the air cavity formed by the sealing gasket 14, the connecting plate 12 and the lower connecting groove 7 through the air vent 18, the workpiece attached to the lower die main body 1 is pushed outwards through the through hole 6 formed in the lower die main body 1, automatic demolding of the workpiece is achieved without manual demolding, demolding of the workpiece is achieved only in a pneumatic mode in the whole demolding process, the workpiece is ejected without using a metal structure such as a thimble, the workpiece is prevented from being scratched in the demolding process, and the qualification rate of products produced by the device is improved.
Example III
On the basis of the second embodiment, in order to improve the using effect of the device, the clamping block 8 is of a square platy structure, the clamping block 8 is fixedly connected with the upper die main body 2, the clamping block 8 can be clamped into a clamping groove 9 formed in the outer heat dissipation ring 4, the clamping groove 9 is of a square groove-shaped structure, when the upper die main body 2 is pressed down onto the lower die main body 1, the clamping block 8 is just clamped in the clamping groove 9, the heat dissipation hole 10 is blocked, the situation that materials in a flowing state in a die cavity between the upper die main body 2 and the lower die main body 1 flow into the heat dissipation hole 10 is avoided, a ventilation plate 11 is arranged in the upper connecting groove 5, the ventilation plate 11 is fixedly connected with the outer heat dissipation ring 4, the heat dissipation hole 10 is formed in the outer heat dissipation ring 4, one end of the ventilation plate 11, which is close to the through hole 6, is communicated with the inner cavity of the outer heat dissipation ring 4, the heat dissipation hole 10 is communicated with the inner cavity of the outer heat dissipation ring 4, when the upper die main body 2 is separated from the lower die main body 1, the spring 15 pushes the lower die main body 1 to move upwards, the heat dissipation hole 17 is of a circular platy structure, the through hole 6 is prevented from being separated from the circular groove 6, the ventilation plate 11 is separated from the heat dissipation plate 12, the heat dissipation plate can be connected with the outer heat dissipation ring 4 through the upper air cavity 6, the heat dissipation plate is formed by the heat dissipation plate and the heat dissipation ring 4, and the heat dissipation plate is connected with the heat dissipation ring 4 through the heat dissipation plate 6, and the heat dissipation plate is conveniently cooled by the heat dissipation plate through the heat dissipation plate, and the heat dissipation plate.
When the plastic product cooling molding device is in actual use, when the plastic product between the lower die main body 1 and the upper die main body 2 is cooled and molded, the upper die main body 2 moves upwards to be separated from the lower die main body 1, the spring 15 loosens to push the lower die main body 1 and the limiting rod 3 to move upwards along the limiting hole 19, the baffle 17 fixedly connected on the top plate 16 is separated from the through hole 6, the air cavity formed by the sealing gasket 14, the connecting plate 12 and the lower connecting groove 7 is communicated with the through hole 6, air flows into the air cavity in the outer cooling ring 4 through the hole formed by the upper connecting groove 5 of the through hole 6, the flowing air cools the outer cooling ring 4, the workpiece on the lower die main body 1 is cooled, the structures are matched with each other to accelerate the cooling of the workpiece, the workpiece is convenient to be demoulded, the workpiece is ejected upwards through the through hole 6, the workpiece attached to be ejected from the lower die main body 1, the metal structures such as ejector pins are realized only through the mode of pushing the air in the whole demoulding process, the workpiece is prevented from being scratched in the demoulding process, the practical use rate of the device is improved, and the product yield is high.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422077421.6U CN222875216U (en) | 2024-08-26 | 2024-08-26 | Plastic mould with automatic demoulding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422077421.6U CN222875216U (en) | 2024-08-26 | 2024-08-26 | Plastic mould with automatic demoulding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222875216U true CN222875216U (en) | 2025-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422077421.6U Active CN222875216U (en) | 2024-08-26 | 2024-08-26 | Plastic mould with automatic demoulding function |
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| Country | Link |
|---|---|
| CN (1) | CN222875216U (en) |
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- 2024-08-26 CN CN202422077421.6U patent/CN222875216U/en active Active
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