CN215921127U - Cutlery box injection moulding device - Google Patents
Cutlery box injection moulding device Download PDFInfo
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- CN215921127U CN215921127U CN202120762325.9U CN202120762325U CN215921127U CN 215921127 U CN215921127 U CN 215921127U CN 202120762325 U CN202120762325 U CN 202120762325U CN 215921127 U CN215921127 U CN 215921127U
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- lunch box
- demolding
- positioning
- cooling
- injection molding
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Abstract
The utility model is suitable for the technical field of injection molding, and provides an injection molding device for a lunch box, which comprises a lower mold, an upper mold, a material guide mechanism, a cooling mechanism, a positioning mechanism and a demolding mechanism, wherein the material guide mechanism is arranged in the lower mold and is used for adding liquid into the lower mold; the cooling mechanisms are arranged on two sides of the material guide mechanism, are positioned at the bottom of the lower die filled with liquid and are used for quickly cooling the formed lunch box; the positioning mechanisms are symmetrically arranged in the upper die and used for quickly positioning when the dies are closed; and the demoulding mechanism is arranged on the side surface of the cooling mechanism and is in sliding connection with the positioning mechanism for nondestructive demoulding after the lunch box is formed, when the lunch box is molded, the mould closing can be used for performing quick positioning, heat generated during forming can be quickly guided out to realize quick cooling of the model, and manual demoulding is not needed in the demoulding process of the lunch box forming, so that nondestructive demoulding is realized, and the precision of the formed lunch box is improved.
Description
Technical Field
The utility model belongs to the technical field of injection molding, and particularly relates to an injection molding device for a lunch box.
Background
The lunch box is a box used for containing food, has wider application in our daily life, and when the quantity of the lunch box is more, the lunch box is produced by adopting an injection molding mode.
The existing lunch box injection molding device starts to perform injection molding after positioning a mold, and generally adopts a manual mode to perform mold closing and demolding, so that the problem that the forming precision of a lunch box product is not high is caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide an injection molding device for a lunch box, and aims to solve the problem that the lunch box product is low in molding precision.
The embodiment of the utility model is realized by comprising a lower die and an upper die, and further comprising:
the material guide mechanism is arranged in the lower die and is used for adding liquid into the lower die;
the cooling mechanisms are arranged on two sides of the material guide mechanism, are positioned at the bottom of the lower die filled with liquid and are used for quickly cooling the formed lunch box;
the positioning mechanisms are symmetrically arranged in the upper die and used for quickly positioning when die assembly is carried out; and
and the demolding mechanism is arranged on the side surface of the cooling mechanism, is in sliding connection with the positioning mechanism and is used for nondestructive demolding after the lunch box is molded.
Preferably, the material guide mechanism comprises a feeding hole and a drainage groove;
the inlet of feed port installs the interface, terminal with drainage groove intercommunication, the drainage groove along the direction of height setting of bed die.
Preferably, the cooling mechanism comprises a liquid storage bin and a heat conducting fin;
the liquid storage bins are symmetrically arranged on two sides of the drainage groove, and cooling liquid is filled in the liquid storage bins and used for rapidly reducing the temperature of the lunch box die;
the heat conducting fins are tightly attached to the top of the liquid storage bin and used for conducting heat to cooling liquid stored in the liquid storage bin when the lunch box is formed.
Preferably, the positioning mechanism comprises a positioning column, the positioning column is installed at the bottom of the upper die, wherein an exposed part of the bottom of the positioning column is in sliding connection with the lower die and is in sliding connection with the demolding mechanism through a positioning hole formed along the height of the positioning column.
Preferably, the demolding executing assembly comprises a push rod, and one side of the push rod, opposite to the rack, is provided with teeth meshed with the gear; the top end of the push rod is connected with the positioning column in a sliding mode during die assembly.
Preferably, the demolding mechanism comprises a demolding driving component and a demolding executing component;
the demolding driving assembly comprises a hydraulic cylinder and a fixing frame fixedly installed at the extending end of the hydraulic cylinder, a gear is rotatably connected to the fixing frame, one side of the gear is meshed with a rack fixedly installed on the side face of the liquid storage bin, and the other side of the gear is meshed with the demolding executing assembly.
According to the injection molding device for the lunch box, provided by the embodiment of the utility model, when the lunch box is subjected to injection molding, not only can the mold closing be carried out for quick positioning, but also the heat generated during molding can be quickly led out to realize quick cooling of the model, and manual demolding is not needed in the demolding process of the lunch box, so that nondestructive demolding is realized, and the precision of the molded lunch box is improved.
Drawings
Fig. 1 is a structural diagram of an injection molding device for a lunch box according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of a separated injection molding device for a lunch box according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
fig. 4 is a perspective view of an upper mold in the injection molding device for lunch boxes according to the embodiment of the utility model.
In the drawings: 1. a lower die; 2. an upper die; 3. a limiting plate; 4. lunch box sample; 5. a positioning column; 6. an inner cavity; 7. a feed port; 8. a drainage groove; 9. a heat conductive sheet; 10. a liquid storage bin; 11. a hydraulic cylinder; 12. a fixed mount; 13. a gear; 14. a rack; 15. a push rod; 16. a limiting sleeve; 17. a limiting block; 18. an L-shaped plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of an injection molding device for a lunch box according to an embodiment of the present invention includes a lower mold 1, an upper mold 2, a material guiding mechanism, a cooling mechanism, a positioning mechanism, and a demolding mechanism, wherein the material guiding mechanism is disposed in the lower mold 1 and is used for adding liquid into the lower mold 1; the cooling mechanisms are arranged on two sides of the material guide mechanism, are positioned at the bottom of the lower die 1 filled with liquid and are used for quickly cooling the formed lunch box; the positioning mechanisms are symmetrically arranged in the upper die 2 and used for quickly positioning when die assembly is carried out; and the demolding mechanism is arranged on the side surface of the cooling mechanism, is in sliding connection with the positioning mechanism and is used for nondestructive demolding after the lunch box is molded.
In one embodiment of the utility model, when the lunch box is molded, the mold assembly can be used for quickly positioning, heat generated in the molding process can be quickly led out to realize quick cooling of the mold, and manual demolding is not needed in the demolding process of the lunch box, so that nondestructive demolding is realized, and the precision of the molded lunch box is improved.
In an example of the present invention, an inner cavity 6 is formed in the lower mold 1, a limiting plate 3 is installed on the bottom surface of the upper mold 2, a lunch box sample 4 matched with the inner cavity 6 is installed at the bottom of the limiting plate 3, and the lunch box sample 4 can be replaced by a tableware type, so as to complete injection molding of different types of lunch boxes, wherein the tableware types are various and are not listed herein.
As shown in fig. 1, as a preferred embodiment of the present invention, the material guiding mechanism includes a feeding hole 7 and a drainage groove 8;
the interface is installed to the entrance of feed port 7, terminal with drainage groove 8 intercommunication, drainage groove 8 along the direction of height setting of bed die 1.
In one embodiment of the present invention, a thermal insulation layer is disposed around the outer surface of the drainage groove 8 to prevent the temperature of the liquid from being reduced during the process of introducing the liquid, which affects the quality of the formed lunch box.
As shown in fig. 1, as another preferred embodiment of the present invention, the cooling mechanism includes a liquid storage tank 10 and a heat conductive sheet 9;
the liquid storage bins 10 are symmetrically arranged at two sides of the drainage groove 8, and cooling liquid is filled in the liquid storage bins for rapidly reducing the temperature of the lunch box die;
the heat conducting fins 9 are closely attached to the top of the liquid storage bin 10 and used for conducting heat to cooling liquid stored in the liquid storage bin 10 when the lunch box is formed.
In an embodiment of the present invention, the heat conducting sheet 9 may be made of a material with high heat conductivity, such as silver, copper, aluminum, etc., and can rapidly conduct heat generated during the injection molding of the lunch box and cool the lunch box with the cooling liquid.
As shown in fig. 1, 2 and 4, as another preferred embodiment of the present invention, the positioning mechanism includes a positioning column 5, and the positioning column 5 is installed at the bottom of the upper mold 2, wherein the exposed bottom portion of the positioning column 5 is slidably connected with the lower mold 1, and is slidably connected with the demolding mechanism through a positioning hole opened along its height.
In one example of the utility model, when the lower mold 1 and the upper mold 2 need to be closed, the positioning columns 5 are aligned with holes in the lower mold 1, and the upper mold 2 is lowered to be jointed with the lower mold 1, so that the closing work is completed.
As shown in fig. 1, 2 and 3, as another preferred embodiment of the present invention, the demolding mechanism includes a demolding driving assembly and a demolding executing assembly;
the demolding driving assembly comprises a hydraulic cylinder 11 and a fixing frame 12 fixedly installed at the extending end of the hydraulic cylinder 11, a gear 13 is connected to the fixing frame 12 in a rotating mode, one side of the gear 13 is meshed with a rack 14 fixedly installed on the side face of the liquid storage bin 10, and the other side of the gear 13 is meshed with the demolding executing assembly.
In an example of the present invention, one end of the hydraulic cylinder 11 is mounted on an L-shaped plate 18, the L-shaped plate 18 is welded inside the lower mold 1, when the hydraulic cylinder 11 is operated, the extending end thereof pushes the fixed frame 12 to move, the fixed frame 12 rolls toward the direction of the movement of the extending end of the fixed frame 12 under the action of the gear 13, and drives the demolding actuating assembly to translate along the height direction of the lower mold 1.
As shown in fig. 3, as another preferred embodiment of the present invention, the demolding actuating assembly includes a push rod 15, and a side of the push rod 15 opposite to the rack 14 is provided with teeth engaged with the gear 13; the top end of the push rod 15 is connected with the positioning column 5 in a sliding mode during mold closing.
In an example of the present invention, the push rod 15 is slidably connected to a limit sleeve 16 fixedly installed in the inner cavity of the lower mold 1 through a bolt, a limit block 17 is fixedly connected to the bottom end of the push rod 15, the limit block 17 can limit the movement distance of the push rod 15, and when the push rod 15 slides under the action of the gear 13, the position column 5 is pushed to move upwards, so that the upper mold 2 is stably separated from the lower mold 1, thereby realizing nondestructive demolding.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a cutlery box injection moulding device, includes bed die and last mould, its characterized in that still includes:
the material guide mechanism is arranged in the lower die and is used for adding liquid into the lower die;
the cooling mechanisms are arranged on two sides of the material guide mechanism, are positioned at the bottom of the lower die filled with liquid and are used for quickly cooling the formed lunch box;
the positioning mechanisms are symmetrically arranged in the upper die and used for quickly positioning when die assembly is carried out; and
and the demolding mechanism is arranged on the side surface of the cooling mechanism, is in sliding connection with the positioning mechanism and is used for nondestructive demolding after the lunch box is molded.
2. The injection molding device for lunch boxes according to claim 1, wherein the material guiding mechanism comprises a feeding hole and a drainage groove;
the inlet of feed port installs the interface, terminal with drainage groove intercommunication, the drainage groove along the direction of height setting of bed die.
3. An injection molding apparatus for lunch boxes according to claim 2, wherein the cooling mechanism comprises a reservoir and a heat conducting fin;
the liquid storage bins are symmetrically arranged on two sides of the drainage groove, and cooling liquid is filled in the liquid storage bins and used for rapidly reducing the temperature of the lunch box die;
the heat conducting fins are tightly attached to the top of the liquid storage bin and used for conducting heat to cooling liquid stored in the liquid storage bin when the lunch box is formed.
4. The injection molding apparatus for lunch box as claimed in claim 1, wherein the positioning mechanism comprises a positioning column, the positioning column is installed at the bottom of the upper mold, and the exposed bottom of the positioning column is slidably connected with the lower mold and slidably connected with the demolding mechanism through a positioning hole along its own height.
5. A lunch box injection molding apparatus as claimed in claim 3, wherein the demolding mechanism includes a demolding driving unit and a demolding executing unit;
the demolding driving assembly comprises a hydraulic cylinder and a fixing frame fixedly installed at the extending end of the hydraulic cylinder, a gear is rotatably connected to the fixing frame, one side of the gear is meshed with a rack fixedly installed on the side face of the liquid storage bin, and the other side of the gear is meshed with the demolding executing assembly.
6. A lunch box injection molding apparatus as claimed in claim 4, wherein the ejector performing assembly includes a push rod, one side of the push rod opposite to the rack being provided with teeth engaged with the gear;
the top end of the push rod is connected with the positioning column in a sliding mode during die assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762325.9U CN215921127U (en) | 2021-04-14 | 2021-04-14 | Cutlery box injection moulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120762325.9U CN215921127U (en) | 2021-04-14 | 2021-04-14 | Cutlery box injection moulding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215921127U true CN215921127U (en) | 2022-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120762325.9U Active CN215921127U (en) | 2021-04-14 | 2021-04-14 | Cutlery box injection moulding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215921127U (en) |
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2021
- 2021-04-14 CN CN202120762325.9U patent/CN215921127U/en active Active
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