CN218196638U - Plastic mold with secondary ejection mechanism - Google Patents
Plastic mold with secondary ejection mechanism Download PDFInfo
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- CN218196638U CN218196638U CN202222276121.1U CN202222276121U CN218196638U CN 218196638 U CN218196638 U CN 218196638U CN 202222276121 U CN202222276121 U CN 202222276121U CN 218196638 U CN218196638 U CN 218196638U
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- mold
- secondary ejection
- heat dissipation
- frame
- ejection
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Abstract
The utility model discloses a plastic mould with secondary ejection mechanism, including lower mould, upper mould, die cavity and injection moulding passageway, the upper end of lower mould is installed with the upper mould, and the middle part of lower mould inwards caves in and forms the die cavity, the middle part of upper mould is seted up the injection moulding passageway that link up, and the injection moulding passageway is used for adding the raw materials to the inside of die cavity; further comprising: the side of the die cavity is provided with a heat dissipation groove, a sealing ring is arranged in an opening of the heat dissipation groove, and the opening of the heat dissipation groove is connected with external water delivery equipment through a pipeline; the double-shaft motor is fixedly installed inside the primary ejection frame, lateral lead screws are installed at the left end and the right end of the double-shaft motor, and a guide moving block is installed on the lateral lead screws. This plastic mould with secondary ejection mechanism can be at the in-process that uses convenience secondary ejection to the plastic product after the shaping, thereby avoids the product still to stop in the die cavity and appear damaged phenomenon after being taken.
Description
Technical Field
The utility model relates to a plastic mould technical field specifically is a plastic mould with secondary ejection mechanism.
Background
The plastic mold is a combined mold for compression molding, extrusion molding, injection, blow molding and low-foaming molding, and plastic parts with different shapes are processed by injecting raw materials into an injection port of the plastic mold and cooling and molding the raw materials in the mold cavity.
After the plastic mold is molded by injecting raw materials into the mold cavity through the injection port, corresponding ejection mechanisms are usually added for ejecting out the plastic product after the molding in the mold cavity, but the whole movement stroke of the simple ejection mechanism is short, so that the molded plastic product is not conveniently ejected out of the mold cavity completely, and the injection molding part and the mold cannot be normally separated from each other to cause the damage of the molded product.
We have therefore proposed a plastic mold with a secondary ejection mechanism to solve the problems set forth above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plastic mould with secondary ejection mechanism, plastic mould is in injecting into the raw materials shaping back to its die cavity inside through the mouth of moulding plastics on solving the present market that above-mentioned background art provided, for the convenience is ejecting with the plastic product after its die cavity inside shaping, corresponding ejection mechanism can all be add usually, nevertheless the holistic motion stroke of ejection mechanism of simple is shorter, be not convenient for with the plastic product ejecting die cavity completely after the shaping, easily lead to injection molding and mould can't normally break away from the problem that makes its shaping product appear damaged phenomenon.
In order to achieve the above object, the utility model provides a following technical scheme: a plastic mold with a secondary ejection mechanism comprises a lower mold, an upper mold, a mold cavity and an injection molding channel, wherein the upper mold is mounted at the upper end of the lower mold, the middle part of the lower mold is inwards sunken to form the mold cavity, the middle part of the upper mold is provided with a through injection molding channel, and the injection molding channel is used for adding raw materials into the mold cavity;
further comprising:
the side of the die cavity is provided with a heat dissipation groove, a sealing ring is arranged in an opening of the heat dissipation groove, and the opening of the heat dissipation groove is connected with external water delivery equipment through a pipeline;
the connecting frames are fixedly arranged below the left end and the right end of the upper die, the connecting frames extend into the lower die, and the lower ends of the two connecting frames are fixed with the left side and the right side of the primary ejection frame through bolts respectively;
the double-shaft motor is fixedly installed inside the primary ejection frame, lateral lead screws are installed at the left end and the right end of the double-shaft motor, a guide moving block is installed on the lateral lead screws, the lateral sides of the guide moving block and the secondary ejection block are connected with each other through guide rods, and the secondary ejection block is arranged inside the primary ejection frame.
Preferably, the radiating grooves are distributed on the left side and the right side of the die cavity, and the radiating grooves on the left side and the right side are all arranged to be of a winding structure.
Through adopting above-mentioned technical scheme, through the inside injection water source to the radiating groove to can utilize water source and die cavity edge to carry out the heat transfer, make its inside injection molding of die cavity can rapid prototyping from this, set up through the sinuous of radiating groove simultaneously and can improve the water source and wherein long time that flows.
Preferably, the connecting frame is an L-shaped structure, and the connecting frame and the lower die form a sliding connection structure.
By adopting the technical scheme, the connecting frame can drive the fixedly connected one-time ejection frame to synchronously move by sliding on the lower die, and the injection molded part formed in the inner part of the die cavity can be conveniently ejected by the movement of the one-time ejection frame.
Preferably, the lateral screw rods are symmetrically arranged about a vertical central axis of the double-shaft motor, the directions of threads on the lateral screw rods on the left side and the right side are opposite, and the lateral screw rods are in threaded connection with the middle of the guide moving block.
By adopting the technical scheme, the guide moving block on the lateral screw rod can synchronously move relatively by utilizing the reverse threads through the rotation of the lateral screw rod.
Preferably, the guide moving block and the secondary ejection block are movably connected with the end part of the guide rod, and the secondary ejection block is in a T-shaped structure.
By adopting the technical scheme, the secondary ejection block can move upwards by utilizing the movably connected guide rod through the movement of the guide moving block.
Preferably, the upper end plane of the secondary ejection block and the upper end plane of the primary ejection frame are mutually flush, the secondary ejection block and the primary ejection frame are in sliding connection, and the upper end face of the primary ejection frame and the die cavity plane are mutually flush.
By adopting the technical scheme, the secondary ejection block moves on the primary ejection frame, so that the secondary ejection of the injection molding piece at the upper end of the primary ejection frame can be realized.
Compared with the prior art, the beneficial effects of the utility model are that: the plastic mould with the secondary ejection mechanism can conveniently perform secondary ejection on a formed plastic product in the using process, and avoids the phenomenon that the product is still remained in the mould cavity and is damaged after being taken;
1. the injection molding machine is provided with a heat dissipation groove, raw materials are added into a mold cavity through an injection molding channel during injection molding, after the raw materials are added, a pipeline at the opening of the heat dissipation groove is connected with external water delivery equipment, a water source is delivered into the heat dissipation groove through the water delivery equipment, and heat exchange can be carried out between the water source and heat around the mold cavity by utilizing the flowing of the water source in the heat dissipation groove, so that the temperature in the mold cavity can be increased, an injection molding part in the mold cavity can be rapidly molded, and meanwhile, the gap of the pipeline inserted at the opening of the heat dissipation groove can be reduced by utilizing the arrangement of a sealing ring;
2. the injection molding machine is provided with a primary ejection frame and a secondary ejection block, after an injection molding part inside a mold cavity is molded, an upper mold is upwards lifted, after the upper mold moves upwards, the linking frame can be used for driving the primary ejection frame to move synchronously, so that the injection molding part inside the mold cavity can be conveniently ejected once, after the primary ejection frame moves to a moving distance, a side lead screw of the primary ejection frame is rotated by a double-shaft motor, a guide moving block in threaded connection can move by the rotation of the side lead screw, the secondary ejection block can move upwards by the movement of the guide moving block and a guide rod in movable connection, the injection molding part on the primary ejection frame can be ejected twice by the movement of the secondary ejection block, and therefore, the injection molding part after molding can be conveniently taken out subsequently.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of a side-sectional structure of the lower mold and the heat sink of the present invention;
FIG. 3 is a schematic side view of the lower mold and the sealing ring of the present invention;
fig. 4 is a schematic view of a three-dimensional structure of the primary ejection frame and the secondary ejection block of the present invention;
fig. 5 is the schematic view of the front cross-sectional structure of the primary ejection frame and the dual-axis motor of the present invention.
In the figure: 1. a lower die; 2. an upper die; 3. a mold cavity; 4. injection molding a channel; 5. a heat sink; 6. a seal ring; 7. a linking frame; 8. primary ejection rack; 9. a dual-axis motor; 10. a lateral screw rod; 11. guiding a moving block; 12. a guide rod; 13. and (5) secondary ejection.
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. 1-5, the present invention provides a technical solution: a plastic mold with a secondary ejection mechanism comprises a lower mold 1, an upper mold 2, a mold cavity 3 and an injection molding channel 4, wherein the upper mold 2 is installed at the upper end of the lower mold 1, the middle part of the lower mold 1 is inwards sunken to form the mold cavity 3, the middle part of the upper mold 2 is provided with the through injection molding channel 4, and the injection molding channel 4 is used for adding raw materials into the mold cavity 3; further comprising: the side of the die cavity 3 is provided with a heat dissipation groove 5, a sealing ring 6 is arranged in an opening of the heat dissipation groove 5, and the opening of the heat dissipation groove 5 is connected with external water delivery equipment through a pipeline; the heat dissipation grooves 5 are distributed on the left side and the right side of the die cavity 3, and the heat dissipation grooves 5 on the left side and the right side are all arranged to be of a winding structure.
As shown in fig. 1-3, when injection molding is required to be performed on a plastic product, raw materials of the plastic product are injected into a mold cavity 3 through an injection molding channel 4, at the moment, after the raw materials are injected, a pipeline at the opening of a heat dissipation groove 5 is connected with external water delivery equipment, a water source is delivered to the inside of the heat dissipation groove 5 through the water delivery equipment, and high temperature around the mold cavity 3 can be absorbed through the water source flowing inside the heat dissipation groove 5, so that an injection molded part inside the mold cavity 3 can be rapidly cooled and molded, meanwhile, the heat dissipation groove 5 with a serpentine structure is utilized, the duration of water flow flowing inside the heat dissipation groove can be increased, a sealing ring 6 is installed at the opening of the pipeline and the heat dissipation groove 5, and the sealing ring 6 can be utilized to reduce a connection gap between the pipeline and the opening of the heat dissipation groove 5.
The connecting frames 7 are fixedly arranged below the left end and the right end of the upper die 2, the connecting frames 7 extend into the lower die 1, and the lower ends of the two connecting frames 7 are fixed with the left side and the right side of the primary ejection frame 8 through bolts respectively; the double-shaft motor 9 is fixedly installed inside the primary ejection frame 8, lateral lead screws 10 are installed at the left end and the right end of the double-shaft motor 9, guide moving blocks 11 are installed on the lateral lead screws 10, the lateral sides of the guide moving blocks 11 and the secondary ejection blocks 13 are connected with each other through guide rods 12, and the secondary ejection blocks 13 are arranged inside the primary ejection frame 8. The connecting frame 7 is set to be an L-shaped structure, and the connecting frame 7 and the lower die 1 form a sliding connection structure. The lateral screw rods 10 are symmetrically arranged about a vertical central axis of the double-shaft motor 9, the directions of threads on the lateral screw rods 10 on the left side and the right side are opposite, and the lateral screw rods 10 are in threaded connection with the middle of the guide moving block 11. The guide moving block 11 and the secondary ejection block 13 are movably connected with the end part of the guide rod 12, and the secondary ejection block 13 is set to be of a T-shaped structure. The upper end plane of the secondary ejection block 13 and the upper end plane of the primary ejection frame 8 are mutually flush, the secondary ejection block 13 and the primary ejection frame 8 are in sliding connection, and the upper end face of the primary ejection frame 8 and the plane of the die cavity 3 are mutually flush.
As shown in fig. 1, 4 and 5, after an injection molding part inside a mold cavity 3 is molded, an upper mold 2 is lifted upwards, the upper mold 2 can drive a primary ejection frame 8 to synchronously move through a linking frame 7 after moving upwards, the injection molding part molded inside the mold cavity 3 can be ejected once by using the movement of the primary ejection frame 8, after the primary ejection frame 8 moves to a moving distance, a double-shaft motor 9 inside the primary ejection frame 9 is started, the double-shaft motor 9 is started to rotate a lateral lead screw 10, a guide moving block 11 can be moved inwards by using a reverse thread through the rotation of the lateral lead screw 10, a secondary ejection block 13 is moved upwards by using the movement of the guide moving block 11 and a guide rod 12 movably connected with the secondary ejection block 12, and the injection molding part at the upper end of the primary ejection frame 8 can be ejected twice by using the upward movement of the secondary ejection block 13, so that a worker can take the injection molding part molded by using the injection molding part.
The working principle is as follows: when the plastic mold with the secondary ejection mechanism is used, firstly, as shown in fig. 1-5, a pipeline at the opening of the heat dissipation groove 5 is connected with external water delivery equipment, water is delivered to the inside of the heat dissipation groove 5 through the water delivery equipment, high temperature around the mold cavity 3 can be absorbed by utilizing the water flowing inside the heat dissipation groove 5, so that an injection molding piece inside the mold cavity 3 can be rapidly cooled and molded, meanwhile, the duration of water flow flowing inside the heat dissipation groove 5 can be prolonged by utilizing the serpentine structure, after the injection molding piece inside the mold cavity 3 is molded, the upper mold 2 can drive the primary ejection frame 8 to synchronously move through the connecting frame 7 after moving upwards, so that the injection molding piece after being molded inside the mold cavity 3 is ejected once, the guide moving block 11 can move inwards through the rotation of the lateral screw rod 10 and further utilize the reverse thread, the secondary ejection block 13 moves upwards by utilizing the movably connected guide rod 12, and the ejection block 13 can perform secondary ejection on the injection molding piece of the upper end of the primary ejection block 8 by utilizing the upward movement of the secondary ejection block 13.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A plastic mold with a secondary ejection mechanism comprises a lower mold (1), an upper mold (2), a mold cavity (3) and an injection molding channel (4), wherein the upper mold (2) is installed at the upper end of the lower mold (1), the middle part of the lower mold (1) is inwards sunken to form the mold cavity (3), the middle part of the upper mold (2) is provided with the through injection molding channel (4), and the injection molding channel (4) is used for adding raw materials into the mold cavity (3);
it is characterized by also comprising:
the side of the die cavity (3) is provided with a heat dissipation groove (5), a sealing ring (6) is arranged in an opening of the heat dissipation groove (5), and the opening of the heat dissipation groove (5) is connected with external water delivery equipment through a pipeline;
the connecting frames (7) are fixedly arranged below the left end and the right end of the upper die (2), the connecting frames (7) extend into the lower die (1), and the lower ends of the two connecting frames (7) are mutually fixed with the left side and the right side of the primary ejection frame (8) through bolts respectively;
the double-shaft motor (9) is fixedly installed inside the primary ejection frame (8), lateral lead screws (10) are installed at the left end and the right end of the double-shaft motor (9), guide moving blocks (11) are installed on the lateral lead screws (10), the lateral sides of the guide moving blocks (11) and the secondary ejection blocks (13) are connected with each other through guide rods (12), and the secondary ejection blocks (13) are arranged inside the primary ejection frame (8).
2. The plastic mold with secondary ejection mechanism as claimed in claim 1, wherein: the heat dissipation grooves (5) are distributed on the left side and the right side of the die cavity (3), and the heat dissipation grooves (5) on the left side and the right side are all arranged to be of a serpentine structure.
3. The plastic mold with secondary ejection mechanism as claimed in claim 1, wherein: the connecting frame (7) is of an L-shaped structure, and the connecting frame (7) and the lower die (1) form a sliding connection structure.
4. The plastic mold with secondary ejection mechanism as claimed in claim 1, wherein: the lateral screw rods (10) are symmetrically arranged about a vertical central axis of the double-shaft motor (9), the directions of threads on the lateral screw rods (10) on the left side and the right side are opposite, and the lateral screw rods (10) are in threaded connection with the middle of the guide moving block (11).
5. The plastic mold with secondary ejection mechanism as claimed in claim 1, wherein: the guide moving block (11) and the secondary ejection block (13) are movably connected with the end part of the guide rod (12), and the secondary ejection block (13) is of a T-shaped structure.
6. The plastic mold with secondary ejection mechanism as claimed in claim 1, wherein: the upper end plane of the secondary ejection block (13) and the upper end plane of the primary ejection frame (8) are mutually flush, the secondary ejection block (13) is in sliding connection with the primary ejection frame (8), and the upper end face of the primary ejection frame (8) and the plane of the die cavity (3) are mutually flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222276121.1U CN218196638U (en) | 2022-08-29 | 2022-08-29 | Plastic mold with secondary ejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222276121.1U CN218196638U (en) | 2022-08-29 | 2022-08-29 | Plastic mold with secondary ejection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218196638U true CN218196638U (en) | 2023-01-03 |
Family
ID=84659221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222276121.1U Active CN218196638U (en) | 2022-08-29 | 2022-08-29 | Plastic mold with secondary ejection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218196638U (en) |
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2022
- 2022-08-29 CN CN202222276121.1U patent/CN218196638U/en active Active
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