CN214163854U - Apply to split type die lip water course structure of injection mould - Google Patents
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- CN214163854U CN214163854U CN202120093374.8U CN202120093374U CN214163854U CN 214163854 U CN214163854 U CN 214163854U CN 202120093374 U CN202120093374 U CN 202120093374U CN 214163854 U CN214163854 U CN 214163854U
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Abstract
A split type die lip water channel structure applied to an injection mold comprises a die lip main body with a left half mirror image and a right half mirror image, wherein a forming curved surface for forming a bottle opening is arranged on one side of the die lip main body, the die lip main body comprises a first part and a second part which are matched with each other and installed, the forming curved surface is formed by inwards sinking on one side of the first part, the second part is installed on one side of the first part, which is opposite to the forming curved surface, a cooling water channel for cooling the forming curved surface part is arranged in the first part, a water inlet and outlet channel communicated with the cooling water channel is arranged in the second part, the cooling water channel is arranged on the periphery of the forming curved surface, so that the cooling water channel and the water inlet and outlet channel in the die lip can be inwards extended and processed from the splicing surface of the first part and the splicing surface of the second part, process holes are not generated after processing, and plugging is not needed, the utility model discloses a cooling water course is higher to the cooling homogeneity and the efficiency of each position of shaping curved surface.
Description
Technical Field
The utility model belongs to the technical field of the injection mould, concretely relates to apply to split type die lip water course structure of injection mould.
Background
Currently, in the PET (polyethylene terephthalate) injection mold lip used for fast multi-cavity, a one-piece design is generally adopted, and various cooling water channels are formed by drilling from different positions and angles. Chinese utility model patent as patent grant publication No. CN205522363U discloses a double-deck water hole refrigerated structure of PET bottle base mould die lip, including the die lip, the die lip be equipped with bellied hollow cylinder for middle part both ends, still include the cooling water course that two sets of symmetries set up, each cooling water course of organizing includes water inlet, delivery port, water inlet and delivery port between be equipped with inlet opening, first lower water hole, first upper water hole, second lower floor's water hole and the apopore that connects gradually and encircle around the well kenozooecium of die lip, inlet opening and water inlet intercommunication, apopore and delivery port intercommunication, water inlet and delivery port symmetry set up the outside in the well kenozooecium of die lip. The die lip of the structure adopts an integrated structure, the fabrication holes left in the cooling water channel processing need to be plugged by plugs, the structure needs larger processing amount of cutting, and the utilization rate of raw materials is not high.
In the chinese utility model patent that the bulletin number is CN103732372B, it discloses an injection mold part that is used for the preforming thing made by plastic material, the die lip of this structure is through separating the partial of the die lip big disk part and the concrete toper halfcylinder in both ends, it cools off water course processing to form two parts, combine two parts together again after the processing is accomplished, the die lip cooling water course processing of this kind of structure does not have the fabrication hole to produce yet, can not produce unnecessary cutting process volume yet, the utilization ratio of raw and other materials is higher, but the cooling water course of this die lip structure adopts curve water course structure, it is complicated and the degree of difficulty is high to process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a split type die lip water channel structure applied to an injection mould.
The utility model provides a technical scheme that its technical problem adopted is:
a split type die lip water channel structure applied to an injection mold comprises a die lip main body with a left half mirror image and a right half mirror image, wherein a forming curved surface for forming a bottle opening is arranged on one side of the die lip main body, the die lip main body comprises a first part and a second part which are matched with each other and arranged, the forming curved surface is formed by inwards sinking on one side of the first part, the second part is arranged on one side of the first part, which is opposite to the forming curved surface, a cooling water channel for cooling the forming curved surface part is arranged in the first part, a water inlet and outlet channel communicated with the cooling water channel is arranged in the second part, the cooling water channel is arranged on the periphery of the forming curved surface, a water inlet for water inlet of the water inlet channel and a water outlet for water outlet of the water inlet channel are arranged in the second part, the cooling water channel comprises two first water channels which extend from the matching surface of the first part and the second part to the opposite side of the first part and the second part respectively, the water inlet channel and the water outlet channel comprise a water inlet channel and a water outlet channel, and the two first water channels are respectively communicated with the water inlet channel and the water outlet channel.
As a further improvement, the periphery of the connection end of the cooling water channel and the water inlet and outlet channel is provided with an annular sealing strip, and a sealing groove for installing the annular sealing strip is arranged on the first part or the second part.
As a further improvement, the second water course includes first connecting groove, first connecting groove sets up the side at first part and second part cooperation installation, first connecting groove sets up the periphery at the shaping curved surface between two first water courses, the outside end of two first water courses is connected respectively to the both ends of first connecting groove.
As a further improvement of the present invention, the cooling water channel further comprises a second water channel for communicating the two first water channels.
As a further improvement, the second water course includes two third water courses, and two third water course medial extremes communicate with the medial extremity of two first water courses respectively, and the outside end of two third water courses is equipped with second intercommunication groove intercommunication, and two third water courses extend towards the medial extremity of first water course from the cooperation face of first part and second part respectively, the periphery of the shaping curved surface of second intercommunication groove setting between two third water courses.
As a further improvement, the bottom of the second part is provided with a pin hole for cooperating with the die slide plate, two are set up at least in the pin hole.
The utility model has the advantages that: the utility model discloses a set up the die lip main part into the components of a whole that can function independently structure that forms by two part assembly, wherein set up in the first part and encircle the cooling water course that distributes in shaping curved surface periphery, set up in the second part with the communicating water course of intaking and going out of cooling water course, thereby make the cooling water course in the die lip and business turn over water course all can follow the amalgamation face of first part and second part and inwards extend the processing, can not produce the fabrication hole after the processing, consequently need not to use the end cap to carry out the shutoff, and the cooling water course is arranged wholly more even with the distance of shaping curved surface along shaping curved surface periphery, the utility model discloses a cooling uniformity and the efficiency of cooling water course to each position of shaping curved surface are higher.
Drawings
The invention will be further explained with reference to the drawings and the embodiments below:
FIG. 1 is a perspective view of a die lip body according to one embodiment;
FIG. 2 is a schematic view of the bottom surface of a lip body according to an embodiment;
FIG. 3 is a schematic view of the internal structure of a lip body according to an embodiment;
FIG. 4 is a perspective view of a first part of the embodiment;
FIG. 5 is a schematic view of the internal structure of a first part of the embodiment;
FIG. 6 is a perspective view of a second part of the embodiment;
FIG. 7 is a schematic internal view of a second part of the embodiment;
FIG. 8 is an exploded view of a second die lip body according to an embodiment;
FIG. 9 is a schematic view of the internal structure of a second lip body according to an embodiment;
FIG. 10 is an exploded view of a three-die lip body according to an embodiment;
FIG. 11 is a schematic view of the internal structure of a three-lip body according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 7, the present embodiment discloses a split type die lip water channel structure applied to an injection mold, which includes a die lip main body 1 having a left half and a right half that are mirror-symmetric, a forming curved surface 2 for forming a bottle mouth is disposed on one side of the die lip main body 1, the die lip main body 1 includes a first part 3 and a second part 4 that are installed in a matching manner, the forming curved surface 2 is formed by inward recessing on one side of the first part 3, the second part 4 is installed on a side of the first part 3 opposite to the forming curved surface 2, a cooling water channel 31 for cooling a part of the forming curved surface 2 is disposed in the first part 3, a water inlet/outlet channel 41 for communicating with the cooling water channel 31 is disposed in the second part 4, the cooling water channel 31 is disposed on a periphery of the forming curved surface 2, a water inlet 42 for allowing water to enter into the water channel 41 and a water outlet 43 for allowing water to exit from the water inlet/outlet channel 41 are disposed in the second part 4, through setting up die lip main part 1 to the components of a whole that can function independently structure that forms by two part assembly, wherein set up in first part 3 and encircle the cooling water course 31 that distributes in 2 peripheries of shaping curved surface, set up in second part 4 and go out water course 41 with cooling water course 31 communicating, thereby make cooling water course 31 in the die lip and go out water course 41 and all can follow the inside processing that extends of first part 3 and second part 4's amalgamation face, can not produce the fabrication hole after the processing, consequently need not to use the end cap to carry out the shutoff, and cooling water course 31 arranges wholly more evenly with the distance of shaping curved surface 2 along 2 peripheries of shaping curved surface, the utility model discloses a cooling water course 31 is higher to the cooling homogeneity and the efficiency of 2 positions of shaping curved surface.
In this embodiment, the cooling water channel 31 includes two first water channels 311 extending from the mating surface of the first part 3 and the second part 4 to the opposite sides thereof, the water inlet and outlet channel 41 includes a water inlet channel 411 and a water outlet channel 412, the two first water channels 311 are respectively communicated with the water inlet channel 411 and the water outlet channel 412, and the two first water channels 311 are disposed in an "eight" shape extending along the periphery of the curved molding surface 2. The cooling water passage 31 further includes a second water passage for communicating the two first water passages 311. The second water channel comprises a first connecting groove 312, the first connecting groove 312 is arranged on the side face where the first part 3 and the second part 4 are installed in a matched mode, the first connecting groove 312 is arranged on the periphery of the forming curved surface 2 between the two first water channels 311, and two ends of the first connecting groove 312 are connected with the outer side ends of the two first water channels 311 respectively. The periphery that the cooling water course 31 that two first water courses 311 and second intercommunication groove 314 formed covered whole shaping curved surface 2 cools off shaping curved surface 2, and through the setting of first intercommunication groove 312, makes the distance degree of consistency between shaping curved surface 2 and the cooling water course 31 improve, and the shaping curved surface 2 that more laminates is whole in cooling water course 31, makes the utility model discloses a cooling is more even and more efficient.
In this embodiment, in order to ensure the sealing performance after the first part 3 and the second part 4 are locked, the periphery of the connection end of the cooling water channel 31 and the water inlet/outlet channel 41 is provided with an annular sealing strip 5, the first part 3 or the second part 4 is provided with a sealing groove 6 for installing the annular sealing strip 5, and the sealing groove 6 is also machined on the matching surface of the first part 3 and the second part 4.
In this embodiment, in order to facilitate mounting the entire die lip on the injection mold, a mold sliding plate for fixedly mounting the die lip is provided in the injection mold, and the bottom of the second part 4 is provided with at least two pin holes 45 for matching with the mold sliding plate.
Example two:
the implementation of the present embodiment is substantially the same as that of the first embodiment, and the differences are as follows: there is a difference in the structural design and layout of the second water channel, as shown in fig. 8 and 9, the second water channel includes two third water channels 313, the inner ends of the two third water channels 313 are respectively communicated with the inner ends of the two first water channels 311, the outer ends of the two third water channels 313 are provided with second communicating grooves 314 to be communicated, the two third water channels 313 respectively extend from the matching surfaces of the first part 3 and the second part 4 to the inner ends of the first water channels 311, and the second communicating grooves 314 are provided at the periphery of the curved surface 2 formed between the two third water channels 313.
Example three:
the embodiment is a combination of the first embodiment and the second embodiment, as shown in fig. 10 and 11, that is, in the structural design and layout of the second waterway, the second waterway includes both the first connecting groove 312 in the first embodiment and the two third waterways 313 and the second connecting groove 314 in the second embodiment, and the layout corresponds to the layout of the first embodiment and the second embodiment, so that the cooling effect of the cooling waterway 31 is further improved.
The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.
Claims (6)
1. The utility model provides an apply to split type die lip water course structure of injection mould, includes the die lip main part of controlling two halves mirror symmetry, one side of die lip main part is equipped with the shaping curved surface that is used for the bottleneck shaping, its characterized in that: the die lip main part is including the first part and the second part of mutually supporting installation, the shaping curved surface is at the inside sunken formation in one side of first part, the second part is installed in the first part with shaping curved surface one side dorsad, be equipped with in the first part and be used for carrying out refrigerated cooling water course to shaping curved surface part, be equipped with in the second part and be used for the business turn over water course with cooling water course intercommunication, the periphery at the shaping curved surface is arranged to the cooling water course, be equipped with the water inlet that is used for business turn over water course to intake and be used for business turn over water course delivery port that goes out water in the second part, the cooling water course includes two first water courses that extend towards its relative one side from the cooperation of first part and second part respectively, business turn over water course includes inlet channel and outlet channel, two first water courses communicate with inlet channel and outlet channel respectively.
2. The split die lip water channel structure for injection molds according to claim 1, wherein: the periphery of the connection end of the cooling water channel and the water inlet and outlet channel is provided with an annular sealing strip, and a sealing groove for mounting the annular sealing strip is formed in the first part or the second part.
3. The split die lip water channel structure for injection molds according to claim 1, wherein: the cooling water channel also comprises a second water channel used for communicating the two first water channels.
4. The split die lip water channel structure for injection molds according to claim 3, wherein: the second water channel comprises a first connecting groove, the first connecting groove is formed in the side face where the first part and the second part are installed in a matched mode, the first connecting groove is formed in the periphery of a forming curved surface between the two first water channels, and the two ends of the first connecting groove are connected with the outer side ends of the two first water channels respectively.
5. The split type die lip water channel structure for injection molds according to any one of claims 3 or 4, wherein: the second water channel comprises two third water channels, the inner side ends of the two third water channels are respectively communicated with the inner side ends of the two first water channels, second communicating grooves are formed in the outer side ends of the two third water channels and communicated with each other, the two third water channels respectively extend towards the inner side ends of the first water channels from the matching surfaces of the first parts and the second parts, and the second communicating grooves are formed in the peripheries of the forming curved surfaces between the two third water channels.
6. The split die lip water channel structure for injection molds according to claim 1, wherein: the bottom of the second part is provided with at least two pin holes used for being matched with the die sliding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093374.8U CN214163854U (en) | 2021-01-13 | 2021-01-13 | Apply to split type die lip water course structure of injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093374.8U CN214163854U (en) | 2021-01-13 | 2021-01-13 | Apply to split type die lip water course structure of injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214163854U true CN214163854U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120093374.8U Active CN214163854U (en) | 2021-01-13 | 2021-01-13 | Apply to split type die lip water course structure of injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214163854U (en) |
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2021
- 2021-01-13 CN CN202120093374.8U patent/CN214163854U/en active Active
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