CN213321437U - Plastic mold capable of preventing dust and scraps - Google Patents
Plastic mold capable of preventing dust and scraps Download PDFInfo
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- CN213321437U CN213321437U CN202022196096.7U CN202022196096U CN213321437U CN 213321437 U CN213321437 U CN 213321437U CN 202022196096 U CN202022196096 U CN 202022196096U CN 213321437 U CN213321437 U CN 213321437U
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Abstract
The utility model relates to the technical field of plastic molds, in particular to a plastic mold capable of preventing dust and scraps, which comprises a fixed mold, a fixed mold seat, a movable mold seat, an upper driving mechanism and a lower driving mechanism and a mold cavity, wherein an injection port for injection molding of the mold cavity is arranged on the movable mold, a thimble mechanism is arranged right below the mold cavity, an air inlet pipe and an air outlet pipe are respectively arranged on the inner side wall of the cavity of the lower cavity, the air inlet pipe and the air outlet pipe are arranged right opposite, and a first electromagnetic valve is arranged at one end of the air inlet pipe facing the mold cavity; in practical application, after the ejector pin mechanism ejects a formed product out of a die cavity, the fixed die and the movable die are closed again, the first electromagnetic valve and the second electromagnetic valve are opened, the air inlet mechanism in the air inlet pipe blows out scraps in the die cavity from the air outlet pipe, and the first electromagnetic valve and the second electromagnetic valve are closed to carry out secondary injection molding; the utility model discloses can take out the plastic piece of back automatic clear mould intracavity at the shaping article, product shaping effect is better.
Description
Technical Field
The utility model relates to a plastic mould technical field specifically is a plastic mould that can dust proof bits.
Background
The plastic mould is widely applied to the production of plastic products, and the hidden feeding mode is a more common feeding mode of the plastic mould, a pouring gate of the feeding mode is submerged below a parting surface and obliquely enters a mould cavity, and the feeding is generally selected at a more hidden part such as the side surface or the back surface of a plastic part, so that the appearance quality of the product is not influenced; when the plastic part is ejected, the product and the sprue are automatically cut off.
When the plastic mold is opened to eject the molded product, the molded product is disconnected from the gate, and plastic chips on the molded product collapse into the gate. The plastic scraps are very small and the mold structure is complex, so that the plastic scraps are difficult to take out, and when the plastic mold adopts a hidden type glue inlet mode, the plastic scraps are difficult to take out. Once plastic chips remain in the mold cavity, when the next product is formed, the plastic chips are brought into the finished product by the plastic to cause defects such as recesses and the like on the surface of the finished product, so that the surface quality of the product is seriously affected, and the defects such as the recesses and the like are extremely difficult to remedy through subsequent operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to foretell not enough, provide one kind can take out the plastic piece of back automatic clear die cavity at the shaping article, but the better plastic mould of dust prevention bits of product shaping effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a plastic mould capable of preventing dust and scraps comprises a fixed mould, a fixed mould seat for installing the fixed mould, a movable mould moving up and down relative to the fixed mould, a movable mould seat for installing the movable mould, an upper driving mechanism and a lower driving mechanism for driving the movable mould to move, the fixed die is provided with a lower half cavity, the bottom surface of the movable die is provided with an upper half cavity right opposite to the lower half cavity, the lower half cavity and the upper half cavity form a mold cavity when being combined together, the movable mold is provided with an injection molding opening for injection molding of the mold cavity, a thimble mechanism is arranged right below the die cavity, an air inlet pipe and an air outlet pipe are respectively arranged on the inner side wall of the cavity body of the lower half cavity, the air inlet pipe and the air outlet pipe are arranged oppositely, one end of the air inlet pipe facing the die cavity is provided with a first electromagnetic valve, and a second electromagnetic valve is arranged at one end of the air outlet pipe facing the die cavity, and an air inlet mechanism is arranged in the air inlet pipe.
Further, the up-down driving mechanism comprises an up-down driving cylinder fixedly connected to the movable die holder, a rod head of a piston rod of the up-down driving cylinder is connected with the movable die in a driving mode, and the up-down driving cylinder is arranged right above the movable die.
Further, a plurality of demoulding holes are formed in the bottom of the fixed die; the ejector pin mechanism comprises an ejector pin inserted into the demoulding hole, an ejector pin seat used for installing the ejector pin, and an ejector pin cylinder driving the ejector pin seat to move up and down.
Further, the air inlet mechanism is an air inlet motor arranged in the air inlet pipe, and the air outlet end of the air inlet motor faces the die cavity.
Further, the air inlet mechanism is a high-pressure nozzle arranged in the air inlet pipe, and the output end of the high-pressure nozzle faces the die cavity.
The utility model has the advantages that:
in practical application, after the ejector pin mechanism ejects a formed product out of a die cavity, the fixed die and the movable die are closed again, the first electromagnetic valve and the second electromagnetic valve are opened, the air inlet mechanism in the air inlet pipe blows out scraps in the die cavity from the air outlet pipe, and the first electromagnetic valve and the second electromagnetic valve are closed to carry out secondary injection molding; the utility model discloses can take out the plastic piece of back automatic clear mould intracavity at the shaping article, product shaping effect is better.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
reference numerals: fixing a mold 1; a fixed die holder 11; a stripping hole 12; a moving die 2; a movable die holder 21; an up-down driving mechanism 3; a mold cavity 4; an injection molding port 5; a thimble mechanism 6; a thimble 61; a thimble seat 62; a thimble cylinder 63; an air inlet pipe 7; an air outlet pipe 8; a first electromagnetic valve 91; a second solenoid valve 92; and an air inlet mechanism 10.
Detailed Description
As shown in fig. 1, a plastic mold capable of preventing dust and scraps comprises a fixed mold 1, a fixed mold base 11 installed to the fixed mold 1, a movable mold 2 installed to the fixed mold 1 and moving up and down, a movable mold base 21 installed to the movable mold 2 and driving an upper driving mechanism 3 of the movable mold 2 to move, a lower cavity is arranged on the fixed mold 1, the bottom surface of the movable mold 2 is right opposite to the upper cavity arranged in the lower cavity, the lower cavity and the upper cavity are combined to form a mold cavity 4, an injection port 5 for injection molding of the mold cavity 4 is arranged on the movable mold 2, a thimble mechanism 6 is arranged right below the mold cavity 4, an air inlet pipe 7 and an air outlet pipe 8 are respectively arranged on the inner side wall of the lower cavity, the air inlet pipe 7 and the air outlet pipe 8 are right opposite to each other, a first electromagnetic valve 91 is arranged at one end of the air inlet pipe 7 facing the mold cavity 4, a second electromagnetic valve 92 is arranged at one end of the air, an air inlet mechanism 10 is arranged in the air inlet pipe 7.
When the injection molding machine works, after the ejector pin mechanism 6 ejects a molded product out of the mold cavity 4, the fixed mold 1 and the movable mold 2 are closed again, the first electromagnetic valve 91 and the second electromagnetic valve 92 are opened, the air inlet mechanism 10 in the air inlet pipe 7 blows out scraps in the mold cavity 4 from the air outlet pipe 8, and the first electromagnetic valve 91 and the second electromagnetic valve 92 are closed to perform secondary injection molding; the utility model discloses can take out the plastic piece in the back automatic clear die cavity 4 at the shaping article, product shaping effect is better.
As shown in fig. 1, the up-down driving mechanism 3 includes an up-down driving cylinder fixedly connected to the movable die holder 21, a rod head of a piston rod of the up-down driving cylinder is connected to the movable die 2 in a driving manner, and the up-down driving cylinder is disposed right above the movable die 2; in the embodiment, the movable die 2 is driven to ascend or descend by the up-and-down driving cylinder to realize die assembly.
As shown in fig. 1, the bottom of the fixed mold 1 is provided with a plurality of demolding holes 12; the thimble mechanism 6 comprises a thimble 61 inserted into the demoulding hole 12, a thimble seat 62 used for mounting the thimble 61, and a thimble cylinder 63 driving the thimble seat 62 to move up and down; in this embodiment, the ejector cylinder 63 drives the ejector pin base 62 to move up or down, so that the ejector pin 61 is inserted into the cavity 4 to eject the molded product.
As shown in fig. 1, the air intake mechanism 10 is an air intake motor disposed in the air intake pipe 7, and an air outlet end of the air intake motor is disposed toward the mold cavity 4; in this embodiment, the air is blown towards the mold cavity 4 by the air inlet motor in the air inlet pipe 7, and the chippings are blown out from the air outlet pipe 8.
As shown in fig. 1, the air intake mechanism 10 is a high-pressure nozzle disposed in the air intake pipe 7, and an output end of the high-pressure nozzle faces the mold cavity 4; in this embodiment, the high-pressure gas is injected toward the cavity 4 through the high-pressure nozzle, so that the chips are blown out from the air outlet pipe 8.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a but plastic mould of dust prevention bits which characterized in that: including cover half (1), install the cover half (11) that cover half (1) used, relative movable mould (2) that cover half (1) reciprocated, installation movable mould base (21) that movable mould (2) used, drive upper and lower actuating mechanism (3) that movable mould (2) removed, be provided with lower cavity on cover half (1), movable mould (2) bottom surface is just right lower cavity is provided with first cavity, constitute die cavity (4) when lower cavity and first cavity are in the same place, be provided with on movable mould (2) for mould plastics mouth (5) of moulding plastics usefulness of die cavity (4), be provided with thimble mechanism (6) under die cavity (4), be provided with air-supply line (7) and play tuber pipe (8) on the cavity inside wall in lower cavity respectively, air-supply line (7) with play tuber pipe (8) is just to setting up, air-supply line (7) orientation the one end of die cavity (4) is provided with first solenoid valve (91), one end of the air outlet pipe (8) facing the die cavity (4) is provided with a second electromagnetic valve (92), and an air inlet mechanism (10) is arranged in the air inlet pipe (7).
2. The plastic mold capable of preventing dust and debris according to claim 1, wherein: the upper and lower driving mechanism (3) comprises an upper and lower driving cylinder fixedly connected to the movable die holder (21), a rod head of a piston rod of the upper and lower driving cylinder is connected with the movable die (2) in a driving manner, and the upper and lower driving cylinder is arranged right above the movable die (2).
3. The plastic mold capable of preventing dust and debris according to claim 1, wherein: the bottom of the fixed die (1) is provided with a plurality of demoulding holes (12); the ejector pin mechanism (6) comprises an ejector pin (61) inserted into the demoulding hole (12), an ejector pin seat (62) used for installing the ejector pin (61), and an ejector pin cylinder (63) driving the ejector pin seat (62) to move up and down.
4. The plastic mold capable of preventing dust and debris according to claim 1, wherein: the air inlet mechanism (10) is an air inlet motor arranged in the air inlet pipe (7), and the air outlet end of the air inlet motor faces the die cavity (4).
5. The plastic mold capable of preventing dust and debris according to claim 1, wherein: the air inlet mechanism (10) is a high-pressure nozzle arranged in the air inlet pipe (7), and the output end of the high-pressure nozzle faces the die cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196096.7U CN213321437U (en) | 2020-09-30 | 2020-09-30 | Plastic mold capable of preventing dust and scraps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196096.7U CN213321437U (en) | 2020-09-30 | 2020-09-30 | Plastic mold capable of preventing dust and scraps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213321437U true CN213321437U (en) | 2021-06-01 |
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ID=76069243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022196096.7U Active CN213321437U (en) | 2020-09-30 | 2020-09-30 | Plastic mold capable of preventing dust and scraps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213321437U (en) |
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2020
- 2020-09-30 CN CN202022196096.7U patent/CN213321437U/en active Active
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