CN214521662U - Glue feeding structure of hot runner and cold runner of soft glue product - Google Patents
Glue feeding structure of hot runner and cold runner of soft glue product Download PDFInfo
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- CN214521662U CN214521662U CN202121006515.4U CN202121006515U CN214521662U CN 214521662 U CN214521662 U CN 214521662U CN 202121006515 U CN202121006515 U CN 202121006515U CN 214521662 U CN214521662 U CN 214521662U
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Abstract
The application discloses hot runner of flexible glue product adds advancing gluey structure of cold runner, includes: the hot runner comprises a hot runner main body, a glue outlet and a transition part for connecting the hot runner main body and the glue outlet, wherein the transition part is provided with a first connecting end and a second connecting end; the cold runner is provided with a first cold runner port and a second cold runner port opposite to the first cold runner port, and the first cold runner port is connected with the glue outlet; the soft rubber mold is provided with a rubber inlet which is connected with the second cold flow port; by using a glue feeding mode combining a hot runner and a cold runner, the problem that the appearance of a soft glue product is affected due to cold flow marks caused by a traditional glue feeding mode can be solved; the transition part of the hot runner is arranged to be similar to an inverted cone, so that the glue inlet structure can be applied to small-sized soft glue molds, and the application range of the glue inlet structure is enlarged.
Description
Technical Field
The application relates to the technical field of hot runner molds, in particular to a glue feeding structure of a hot runner and a cold runner of a soft glue product.
Background
The injection molding of the soft rubber product is a process of leading thermoplastic plastics or thermosetting plastics into a soft rubber mold and forming the soft rubber product with a certain shape and structure through a cavity of the mold.
However, in the conventional injection molding process, the molten plastic is usually slightly solidified when passing through the gate or the nozzle, and enters the cavity together with the rear-section molten plastic, so that the cold flow mark phenomenon of the injection molding piece of the soft rubber product can be caused, and the appearance attractiveness of the soft rubber product can be affected.
Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
SUMMERY OF THE UTILITY MODEL
The application provides a hot runner of flexible glue product adds advancing gluey structure of cold runner can solve and use traditional gluey mode of advancing and the flexible glue product that leads to cold flow mark appears, influences the problem of aesthetic property. The application provides the following technical scheme:
the utility model provides a hot runner of flexible glue product adds gluey structure of advancing of cold runner, includes:
the hot runner comprises a hot runner main body, a glue outlet and a transition part for connecting the hot runner main body and the glue outlet, wherein the transition part is provided with a first connecting end and a second connecting end, the first connecting end is connected with the hot runner main body, the second connecting end is connected with the glue outlet, and the outer diameter of the transition part is sequentially reduced from the first connecting end to the second connecting end;
the cold runner is provided with a first cold runner port and a second cold runner port opposite to the first cold runner port, and the first cold runner port is connected with the glue outlet;
and the soft rubber mold is provided with a rubber inlet, and the rubber inlet is connected with the second cold flow port.
Optionally, the transition portion is stepped.
Optionally, the cross section of the transition part is in an inverted trapezoid shape from top to bottom.
Optionally, the first cold flow port is in threaded connection with the glue outlet.
Optionally, the second cold flow port is inserted into the glue inlet, and the second cold flow port is in interference fit with the glue inlet.
Optionally, the aperture of the glue inlet is in the range of 0.8mm-1.2 mm.
Optionally, the hot runner jacket is provided with a heating element.
Optionally, a copper wire is arranged on the heating element.
The beneficial effect of this application lies in: the hot runner and cold runner glue inlet structure of the soft glue product is reasonable in design and compact in structure, comprises a hot runner, a cold runner and a soft glue mold, wherein the hot runner comprises a transition part, the transition part is provided with a first connecting end and a second connecting end, and the outer diameter of the transition part is sequentially reduced from the first connecting end to the second connecting end; can solve the problem that cold flow marks appear on a soft rubber product caused by the traditional rubber feeding mode and influence the attractiveness.
The transition part of the hot runner is arranged to be similar to an inverted cone, so that the glue inlet structure can be applied to small-sized soft glue molds, and the application range of the glue inlet structure is enlarged.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a glue inlet structure of a hot runner and a cold runner of a soft glue product according to an embodiment of the present application.
Wherein: 100-glue inlet structure of hot runner and cold runner of soft glue product, 1-hot runner, 11-hot runner main body, 12-glue outlet, 13-transition part, 131-first connecting end, 132-second connecting end, 2-cold runner, 21-first cold runner, 22-second cold runner, 3-soft glue mould, and 31-glue inlet.
Detailed Description
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
Fig. 1 is a schematic structural view of a glue inlet structure of a hot runner and a cold runner of a soft glue product according to an embodiment of the present application, and as shown in fig. 1, the glue inlet structure 100 of the hot runner and the cold runner of the soft glue product at least includes: the hot runner 1 comprises a hot runner main body 11, a glue outlet 12 and a transition part 13 for connecting the hot runner main body 11 and the glue outlet 12, wherein the transition part 13 is provided with a first connecting end 131 and a second connecting end 132, the first connecting end 131 is connected with the hot runner main body 11, the second connecting end 132 is connected with the glue outlet 12, and the outer diameter of the transition part 13 is sequentially reduced from the first connecting end 131 to the second connecting end 132; the cold runner 2 is provided with a first cold runner port 21 and a second cold runner port 22 opposite to the first cold runner port 21, and the first cold runner port 21 is connected with the glue outlet 12; the soft glue mould 3, the soft glue mould 3 has a glue inlet 31, the glue inlet 31 is connected with the second cold flow port 22. Through the glue feeding mode that the hot runner 1 and the cold runner 2 are combined, the problem that cold flow marks appear on a soft glue product caused by the traditional glue feeding mode and the attractiveness is affected can be solved.
The transition part 13 is in a step-like arrangement, and the cross section of the transition part 13 is inverted trapezoid from top to bottom, so that the glue inlet structure 100 of the hot runner and cold runner of the soft glue product can adapt to a small-sized soft glue mold, and the application range of the glue inlet structure 100 is enlarged.
The connection mode of the first cold flow port 21 and the glue outlet 12 is various, and different connection modes can be selected according to different requirements in the actual production process.
In one example, the first cold flow port 21 is threadedly coupled to the glue outlet 12. Specifically, the first cold flow port 21 and the glue outlet 12 are fixedly connected by screws.
In another example, the first cold flow port 21 is welded to the glue outlet 12.
In another example, the first cold flow port 21 is inserted into the glue outlet 12, and the first cold flow port 21 is in interference fit with the glue outlet 12.
The second cold flow port 22 is inserted into the glue inlet 31, and the second cold flow port 22 is in interference fit with the glue inlet 31.
In one embodiment, the aperture of the glue inlet 31 is in the range of 0.8mm to 1.2 mm.
In order to ensure the temperature in the hot runner 1, so that the plastic in the hot runner 1 is always in a molten state, in one embodiment, a heating element (not shown) is further sleeved outside the hot runner 1, and a copper wire (not shown) is arranged on the heating element.
In summary, the present embodiment provides a glue inlet structure of a hot runner and a cold runner of a soft glue product, which has a reasonable design and a compact structure, and includes a hot runner, a cold runner and a soft glue mold, wherein the hot runner includes a transition portion, the transition portion has a first connection end and a second connection end, and the outer diameter of the transition portion is sequentially reduced from the first connection end to the second connection end; can solve the problem that cold flow marks appear on a soft rubber product caused by the traditional rubber feeding mode and influence the attractiveness.
The transition part of the hot runner is arranged to be similar to an inverted cone, so that the glue inlet structure can be applied to small-sized soft glue molds, and the application range of the glue inlet structure is enlarged.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a hot runner of flexible glue product adds advancing gluey structure of cold runner which characterized in that includes:
the hot runner comprises a hot runner main body, a glue outlet and a transition part for connecting the hot runner main body and the glue outlet, wherein the transition part is provided with a first connecting end and a second connecting end, the first connecting end is connected with the hot runner main body, the second connecting end is connected with the glue outlet, and the outer diameter of the transition part is sequentially reduced from the first connecting end to the second connecting end;
the cold runner is provided with a first cold runner port and a second cold runner port opposite to the first cold runner port, and the first cold runner port is connected with the glue outlet;
and the soft rubber mold is provided with a rubber inlet, and the rubber inlet is connected with the second cold flow port.
2. The glue inlet structure of the hot runner and cold runner of the soft glue product as claimed in claim 1, wherein the transition portion is arranged in a step shape.
3. The glue inlet structure of the hot runner and cold runner of the soft glue product as claimed in claim 2, wherein the cross-section of the transition portion is inverted trapezoid from top to bottom.
4. The glue inlet structure of the hot runner and cold runner of the soft glue product as claimed in claim 1, wherein the first cold flow port is in threaded connection with the glue outlet.
5. The glue inlet structure of the hot runner and cold runner of the soft glue product according to claim 1, wherein the second cold flow port is inserted into the glue inlet and is in interference fit with the glue inlet.
6. The glue inlet structure of the hot runner and cold runner of the soft glue product as claimed in claim 1, wherein the aperture of the glue inlet is in the range of 0.8mm-1.2 mm.
7. The glue inlet structure of the hot runner and cold runner of the soft glue product as claimed in claim 1, wherein the hot runner jacket is provided with a heating member.
8. The glue inlet structure of the hot runner and cold runner of the soft glue product as claimed in claim 7, wherein the heating member is provided with a copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121006515.4U CN214521662U (en) | 2021-05-12 | 2021-05-12 | Glue feeding structure of hot runner and cold runner of soft glue product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121006515.4U CN214521662U (en) | 2021-05-12 | 2021-05-12 | Glue feeding structure of hot runner and cold runner of soft glue product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214521662U true CN214521662U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121006515.4U Active CN214521662U (en) | 2021-05-12 | 2021-05-12 | Glue feeding structure of hot runner and cold runner of soft glue product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214521662U (en) |
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2021
- 2021-05-12 CN CN202121006515.4U patent/CN214521662U/en active Active
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