CN204869471U - Injection mold - Google Patents
Injection mold Download PDFInfo
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- CN204869471U CN204869471U CN201520015870.6U CN201520015870U CN204869471U CN 204869471 U CN204869471 U CN 204869471U CN 201520015870 U CN201520015870 U CN 201520015870U CN 204869471 U CN204869471 U CN 204869471U
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- sprue bushing
- main body
- cooling
- injection mold
- bushing main
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Abstract
The utility model provides an injection mold, injection mold includes: including purt mouth and cooling body, a serial communication port, the purt mouth is including inside purt mouth main part of watering for moulding plastics and the purt mouth of connection in purt mouth main part upper end, the cooling body with purt mouth bulk phase mutual connection touches. The problem of among the prior art injection mold's purt blunt but insufficient, cool time is longer, the influence model of moulding plastics is solved, the cooling effect has been strengthened for the time of moulding plastics shortens, and has improved production efficiency.
Description
Technical field:
The utility model relates to injection molding technology, particularly relates to a kind of injection mold.
Background technology:
Injection molding technology refers to and raw material is added in the barrel of injection moulding machine, and through being heated to molten condition, under the screw rod of injection machine or the promotion of plunger, enter the die cavity of mould through nozzle and irrigation system, raw material hardening by cooling is shaping.Traditional injection mold is made up of upper die and lower die, upper die and lower die surround the die cavity of certain article shape, the central authorities of patrix are provided with a sprue bushing, sprue bushing main body is cylindric, its one end has a sprue bushing head, sprue bushing head matches with the jet hole of injection mo(u)lding machine nozzle, sprue bushing central authorities have the running channel that runs through whole sprue bushing, the runner be communicated with running channel is provided with in mould, the raw material of the molten condition ejected through jet hole after matched moulds enters running channel by sprue bushing head, then enter in die cavity through runner, after cooling, form goods identical with cavity shape.In injection mold in the prior art, apart from each other between sprue bushing and its cooling body, do not reach the cooling effect that it needs, as illustrated in figs. ia and ib, cooling body 12 in this injection mold is arranged on the both sides of sprue bushing 11 with the form of two pipelines 121, not near sprue bushing 11, sprue bushing 11 is cooled slower and insufficient, thus cause injection molding cycle long, affect production efficiency; And also use two pipelines, not only resource consumption is comparatively large, and its effect that can reach is also lower.
Utility model content:
The utility model provides a kind of injection mold, and the sprue bushing cooling solving injection mold in prior art is insufficient, and cool time is longer, affects the problem of injection moulding efficiency.
In order to solve the problem, the utility model adopts following scheme:
A kind of injection mold, comprises sprue bushing and cooling body; Described sprue bushing comprises the inner sprue bushing main body for injection moulding running channel and is connected to the sprue bushing head of sprue bushing main body upper end; Described cooling body and described sprue bushing main body contact with each other.
Further, described cooling body comprises at least one pipeline, and described pipeline comprises: inlet, cooling duct and liquid outlet; Described cooling body and described sprue bushing main body contact with each other and specifically comprise: the cooling duct of described pipeline at least partially with the wall contacts of described sprue bushing main body.
Further, described pipeline cooling duct comprise with any one under type with the mode of the wall contacts of described sprue bushing main body at least partially:
Cooling duct at least partially spirally around contact described sprue bushing main body outer wall;
Cooling duct be inverted U-shaped at least partially, the sprue bushing body outer wall lateral contact with below the described sprue bushing head, vertically contacts with outer wall point two ends for described other positions of sprue bushing main body.
Further, cooling duct at least partially spirally around contact described sprue bushing main body outer wall specifically comprise: cooling duct at least partially with the helical form of above-below direction around contact described sprue bushing main body outer wall; Or, cooling duct at least partially with the helical form of left and right directions around contact described sprue bushing main body outer wall.
Further, described inlet and liquid outlet are arranged in same level, or, described liquid outlet is set higher than described inlet, or described inlet is set higher than described liquid outlet.
Further, described cooling body and described sprue bushing main body one-body molded.
Further, described pipeline comprises: circular pipe, square pipe or oval ducts.
Further, the material of described pipeline comprises: metal or nonmetallic heat conductive material.
Further, described cooling body comprises at least one cooling stud; Described cooling body and described sprue bushing main body contact with each other and specifically comprise: described cooling stud at least partially with the wall contacts of described sprue bushing main body.
Further, the outer wall that described cooling stud surrounds described sprue bushing main body with circular cylindrical contacts.
Beneficial effect:
The utility model provides a kind of injection mold, on the position contacted, enhances cooling effect, injection time is shortened, also improves production efficiency by sprue bushing main body cooling body being arranged on sprue bushing.
Accompanying drawing illustrates:
Fig. 1 a is the sprue bushing of injection mold and the structural representation of cooling body in prior art;
Another visual angle schematic diagram that Fig. 1 b is structure shown in Fig. 1 a;
The sprue bushing of injection mold that Fig. 2 a provides for the utility model one embodiment and the structural representation of cooling body;
Another visual angle schematic diagram that Fig. 2 b is structure shown in Fig. 2 a;
The sprue bushing of injection mold that Fig. 3 provides for another embodiment of the utility model and the structural representation of cooling body;
The sprue bushing of injection mold that Fig. 4 provides for another embodiment of the utility model and the structural representation of cooling body.
Detailed description of the invention:
By reference to the accompanying drawings the utility model is described in further detail below by detailed description of the invention.
Key point of the present utility model is, is contacted by the cooling body of the sprue bushing in injection mold with the main body of sprue bushing, thus makes in injection moulding process, when needing cooling sprue bushing, full out sprue bushing can be cooled, reduce the duration of injection cycle, improve production efficiency; In addition, the injection mold in the utility model may be used for the injection moulding of all plastics, metal etc., as blooming piece, light guide plate, glue frame, base material, phone housing, mechanical model etc.
As shown in Figure 2 a and 2 b, for the structural representation of sprue bushing in the injection mold that the utility model one embodiment provides and cooling body, as shown in Figure 2 a and 2 b, in the injection mold of the present embodiment, comprise sprue bushing 21 and cooling body 22, described sprue bushing 21 comprises the inner sprue bushing main body 212 for injection moulding running channel and is connected to the sprue bushing head 211 of sprue bushing main body 212 upper end; Described cooling body 22 contacts with each other with described sprue bushing main body 212.By cooling body is contacted with described sprue bushing main body, make to use this injection mold to carry out after injection moulding completes, when needing to cool sprue bushing, sprue bushing can not only be enable to cool down as soon as possible, and make the cooling of sprue bushing more abundant, reduce the cycle of its injection moulding.Particularly, described cooling body comprises at least one pipeline 22, and described pipeline 22 comprises: inlet, cooling duct and liquid outlet; Described cooling body 22 and described sprue bushing main body 212 contact with each other and specifically comprise: the cooling duct of described pipeline 22 at least partially with the wall contacts of described sprue bushing main body 212.Preferably, what the flowing fluid ratio due to cooling was comparatively conventional is water, and namely described inlet and liquid outlet are water inlet and delivery port.
In certain embodiments, described ducted cooling duct comprise with under type with the mode of the wall contacts of described sprue bushing main body at least partially: cooling duct at least partially spirally around the outer wall contacting described sprue bushing main body; Specifically comprise: cooling duct at least partially with the helical form of above-below direction around contact described sprue bushing main body outer wall; Or, cooling duct at least partially with the helical form of left and right directions around contact described sprue bushing main body outer wall; As shown in Figure 3, be the structural representation of sprue bushing in the injection mold that another embodiment of the utility model provides and cooling body, as shown in Figure 3, described injection mold comprises sprue bushing 31 and a pipeline (cooling body) 32; Sprue bushing 31 comprises sprue bushing head 311 and sprue bushing main body 312; Pipeline 32 comprises inlet 321, cooling duct 322 and liquid outlet 323; And described cooling duct 322 is with the outer wall of the helical form of above-below direction around the described sprue bushing main body 312 of contact; In the present embodiment, only need use pipeline, by on the outer wall of this ducted cooling duct around the sprue bushing main body of sprue bushing, be not only and lower the temperature by contacting, and reached the effect of fast cooling by the contact area expanding cooling duct and sprue bushing main body, thus realize the purpose of this utility model.
Or, cooling duct be inverted U-shaped at least partially, the sprue bushing body outer wall lateral contact with below the described sprue bushing head, vertically contacts with outer wall point two ends for described other positions of sprue bushing main body; As shown in Figure 4, for the structural representation of sprue bushing in the injection mold that another embodiment of the utility model provides and cooling body, as shown in Figure 4, described cooling duct 422 is inverted U-shaped, the wall contacts of described cooling duct 422 transverse direction and described sprue bushing main body 412 below the sprue bushing head 411 near sprue bushing 41, described cooling duct 422 inverted U-shaped in the two ends being distributed in described sprue bushing main body 412 of vertical direction, the two ends that the inlet 421 of described pipeline 42 and liquid outlet 423 are distributed in this inverted U-shaped vertical direction extend out in the horizontal direction.
Further, cooling body can comprise multiple pipeline, as, described cooling body comprises two pipelines, the two sides of described sprue bushing main body arranges two inverted U-shaped cooling ducts, and each pipeline and the sprue bushing body outer wall lateral contact below described sprue bushing head, vertically contact with outer wall point two ends for described other positions of sprue bushing main body, the present embodiment improves cooling effectiveness by increasing contact area.
In certain embodiments, described inlet and liquid outlet are arranged in same level, and as shown in Figure 3, described inlet 321 and liquid outlet 323 are in same level; Or described liquid outlet is higher than described inlet, and as shown in Figure 4, described liquid outlet 323 is high with described inlet 321; Preferably, the position relationship of described inlet and described liquid outlet can be arranged according to the structure of injection mold or specification.
In further embodiments, described cooling body and described sprue bushing main body one-body molded.Particularly, because described cooling body and described sprue bushing main body contact with each other, and when described cooling body is consistent with described sprue bushing material of main part, can be one-body molded by it, can also save like this and make the operation of this injection mold, and due to cooling body and sprue bushing main body one-body molded, so, cooling body will be more abundant to the cooling effect of sprue bushing main body, and the time cycle making injection mo(u)lding will be shorter, and efficiency is higher.
In further embodiments, the pipeline of described cooling body comprises: circular pipe, square pipe or oval ducts.Its material comprises: metal or nonmetallic heat conductive material.
In further embodiments, described cooling body comprises at least one cooling stud; Described cooling body and described sprue bushing main body contact with each other and specifically comprise: described cooling stud at least partially with the wall contacts of described sprue bushing main body.Described cooling stud is and contacts with it according to the cylinder of the column formation arcuation of described sprue bushing main body, is directly contact with the form in face, the contact one side when being a cooling stud; Preferably, can be contacted the entirety of described sprue bushing main body by arranging of multiple cooling stud; In the present embodiment, the outer wall that described cooling stud surrounds described sprue bushing main body with circular cylindrical contacts.Namely in inside be the outer wall of the sprue bushing main body of running channel any position on have distribution, adopt the contact that cooling body and sprue bushing are set in this way, be to make the contact area of cooling body and sprue bushing main body maximum, thus it is the highest to realize cooling effectiveness, the situation that effect is best.
The description of comprehensive above embodiment, the beneficial effects of the utility model at least comprise following content:
The utility model provides a kind of injection mold, on the position contacted, enhances cooling effect, injection time is shortened, also improves production efficiency by sprue bushing main body cooling body being arranged on sprue bushing;
Further, the outer wall of pipeline with sprue bushing main body is contacted, by the contact area increasing pipeline and sprue bushing main body, sprue bushing fully can be lowered the temperature, not only save temperature fall time, and decrease the materials of install pipeline, make injection mold be more tending towards simplify, practical.
Above content is in conjunction with concrete embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. an injection mold, comprises sprue bushing and cooling body; It is characterized in that, described sprue bushing comprises the inner sprue bushing main body for injection moulding running channel and is connected to the sprue bushing head of sprue bushing main body upper end; Described cooling body and described sprue bushing main body contact with each other.
2. injection mold according to claim 1, is characterized in that, described cooling body comprises at least one pipeline, and described pipeline comprises: inlet, cooling duct and liquid outlet; Described cooling duct at least partially with the wall contacts of described sprue bushing main body.
3. injection mold according to claim 2, is characterized in that, the cooling duct of described pipeline comprise with any one under type with the mode of the wall contacts of described sprue bushing main body at least partially:
Cooling duct at least partially spirally around contact described sprue bushing main body outer wall;
Cooling duct be inverted U-shaped at least partially, the sprue bushing body outer wall lateral contact with below the described sprue bushing head, vertically contacts with outer wall point two ends for described other positions of sprue bushing main body.
4. the injection mold according to Claims 2 or 3 item, is characterized in that, described inlet and liquid outlet are arranged in same level, or described liquid outlet is higher than described inlet.
5. the injection mold according to any one of claim 1-3, is characterized in that, described cooling body and described sprue bushing main body one-body molded.
6. the injection mold according to Claims 2 or 3, is characterized in that, described pipeline comprises: circular pipe, square pipe or oval ducts.
7. the injection mold according to Claims 2 or 3, is characterized in that, the material of described pipeline comprises: metal or nonmetallic heat conductive material.
8. injection mold according to claim 1, is characterized in that, described cooling body comprises at least one cooling stud; The outer wall that described cooling stud surrounds described sprue bushing main body with circular cylindrical contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015870.6U CN204869471U (en) | 2015-01-09 | 2015-01-09 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015870.6U CN204869471U (en) | 2015-01-09 | 2015-01-09 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204869471U true CN204869471U (en) | 2015-12-16 |
Family
ID=54813891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520015870.6U Active CN204869471U (en) | 2015-01-09 | 2015-01-09 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204869471U (en) |
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2015
- 2015-01-09 CN CN201520015870.6U patent/CN204869471U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |