CN216400385U - Special front mold slide structure for preventing hot runner sharp nozzle from casting and wire drawing - Google Patents
Special front mold slide structure for preventing hot runner sharp nozzle from casting and wire drawing Download PDFInfo
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- CN216400385U CN216400385U CN202122882893.5U CN202122882893U CN216400385U CN 216400385 U CN216400385 U CN 216400385U CN 202122882893 U CN202122882893 U CN 202122882893U CN 216400385 U CN216400385 U CN 216400385U
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Abstract
The utility model discloses a special front die line position structure for preventing hot runner sharp nozzle tape casting and wire drawing.A shoveling machine corresponding to the line position is reversely arranged on a bottom plate below a rear die, and buckling machines for controlling the die opening sequence of the front die, the rear die and a backing plate are arranged on the side surfaces of the front die, the rear die and the backing plate.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a special front mold slide structure for preventing hot runner sharp mouth tape casting and wire drawing.
Background
As shown in fig. 1, in the conventional three-plate plastic mold, a shovel machine 600 and a hot nozzle 500 are usually fixed on a stripper plate 100, so that the shovel machine 600 is driven to open a slide 700 by the springing of a front mold 200 during mold opening, so that the front mold 200 and a rear mold 300 can be separated to smoothly eject a product. However, with such a design, the hot nozzle 500 is separated from the sealing surface of the front mold 200 during mold opening, which is likely to cause casting or wire drawing of the hot nozzle, and the cast or wire drawing falls into the gap between the mold plates after solidification, which may cause abnormal mold closing.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model mainly aims to provide a special front die position structure for preventing the hot runner sharp nozzle from casting and drawing, and aims to solve the problem that the hot nozzle is easy to cast or draw when the die is opened.
In order to achieve the purpose, the special front die slide structure for casting and wire drawing of the hot runner sharp nozzle comprises a front die and a rear die, wherein a stripper plate is arranged on the upper surface of the front die, a base plate is arranged on the lower surface of the rear die, a hot nozzle capable of injecting molten plastic into a front die cavity is arranged on the stripper plate, a slide is arranged in the front die, a shovel machine is arranged on the base plate, and the shovel machine penetrates through the rear die and then is inserted into the slide; and a button machine for controlling the die opening sequence of the front die, the rear die and the base plate is arranged on the outer sides of the front die, the rear die and the base plate.
Optionally, the bottom of the shovel machine is inserted into the base plate and locked to the base plate through a locking block.
Optionally, the lock block is locked to the shovel machine by a bolt.
According to the utility model, the shoveling machine corresponding to the slide is reversely arranged on the bottom plate below the rear die, and the buckling machines for controlling the die opening sequence of the front die, the rear die and the backing plate are arranged on the side surfaces of the front die, the rear die and the backing plate, so that the backing plate can be controlled to move downwards relative to the rear die during die opening to drive the shoveling machine to open the slide, and the hot nozzle can not be separated from the sealing rubber surface of the front die, the condition that the hot nozzle falls into the gap of the die plate in a flow casting manner is effectively avoided, and the abnormal die closing condition of the die is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a three-plate plastic mold according to the prior art;
FIG. 2 is a schematic structural diagram of a three-plate plastic mold according to the present invention;
FIG. 3 is a side view of a three-plate plastic mold according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2-3 of the specification, an embodiment of the utility model provides a three-plate plastic mold, which includes a front mold 200 and a rear mold 300, wherein a stripper plate 100 is disposed on an upper surface of the front mold 200, a backing plate 400 is disposed on a lower surface of the rear mold 300, and a hot nozzle 500 capable of injecting molten plastic into a cavity of the front mold 200 is disposed on the stripper plate 100. A slide 700 is arranged in the front die 200, a shovel 600 is arranged on the backing plate 400, and the upper end of the shovel 600 penetrates through the rear die 300 and then is inserted into the slide 700. The bottom of the shovel machine 600 is inserted into the base plate 400, the bottom of the base plate 400 is provided with a locking block 610, the locking block 610 is locked on the base plate 400 through screws, and the shovel machine 600 is locked on the base plate 400 through the locking block 610. And a button machine 800 for controlling the opening sequence of the front mold 200, the rear mold 300 and the backing plate 400 is arranged on the outer sides of the front mold 200, the rear mold 300 and the backing plate 400.
When the mold is opened, the backing plate 400 can be controlled to be opened downwards relative to the rear mold 300 by the button machine 800 to drive the shovel machine 600 to pull open the slide 700, and at the moment, the hot nozzle 500 cannot be separated from the glue sealing surface of the front mold 200; then, the front and rear molds 300 are controlled to open.
According to the utility model, the shoveling machine 600 corresponding to the slide 700 is reversely arranged on the bottom plate below the rear die 300, and the fastening machine 800 for controlling the die opening sequence is arranged between the rear die 300 and the backing plate 400, so that during die opening, the backing plate 400 can be controlled to move downwards relative to the rear die 300 to drive the shoveling machine 600 to pull the slide 700 open, and the hot nozzle 500 can not be separated from the sealing surface of the front die 200, thereby effectively avoiding the situation that the hot nozzle 500 falls into the gap of the die plate by flow casting, and avoiding abnormal die closing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (3)
1. A special front die slide structure for preventing hot runner sharp nozzle casting and wire drawing comprises a front die and a rear die, wherein a stripper plate is arranged on the upper surface of the front die, a base plate is arranged on the lower surface of the rear die, and a hot nozzle capable of injecting molten plastic into a front die cavity is arranged on the stripper plate; and a button machine for controlling the die opening sequence of the front die, the rear die and the base plate is arranged on the outer sides of the front die, the rear die and the base plate.
2. The special front die slide structure for hot runner nib casting and wire drawing of claim 1, wherein the bottom of said shovel is inserted into said backing plate and locked to said backing plate by a locking block.
3. The special front die slide for hot runner nib casting and wire drawing of claim 2, wherein said locking block is bolted to said shovel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882893.5U CN216400385U (en) | 2021-11-23 | 2021-11-23 | Special front mold slide structure for preventing hot runner sharp nozzle from casting and wire drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882893.5U CN216400385U (en) | 2021-11-23 | 2021-11-23 | Special front mold slide structure for preventing hot runner sharp nozzle from casting and wire drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216400385U true CN216400385U (en) | 2022-04-29 |
Family
ID=81303773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122882893.5U Active CN216400385U (en) | 2021-11-23 | 2021-11-23 | Special front mold slide structure for preventing hot runner sharp nozzle from casting and wire drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216400385U (en) |
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2021
- 2021-11-23 CN CN202122882893.5U patent/CN216400385U/en active Active
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