CN207825397U - One kind is from dynamic circuit breaker cast gate injection mold - Google Patents
One kind is from dynamic circuit breaker cast gate injection mold Download PDFInfo
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- CN207825397U CN207825397U CN201820060540.2U CN201820060540U CN207825397U CN 207825397 U CN207825397 U CN 207825397U CN 201820060540 U CN201820060540 U CN 201820060540U CN 207825397 U CN207825397 U CN 207825397U
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- sprue
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Abstract
The utility model disclose it is a kind of be arranged in dynamic model from dynamic circuit breaker cast gate injection mold, including dynamic model, cover half, sprue mold insert, sprue puller, delay nail, needle plate and ejector retainner plate, the sprue mold insert, inside be provided with side gate.The lower part of side gate is recessed to form back-off to the side of dynamic model cavity surface.Sprue mold insert is inserted on the top of the sprue puller, and its underpart is located in needle plate, and sprue puller is slidably connected with sprue mold insert and needle plate respectively.Ejector retainner plate is located at the lower section of needle plate, is fixedly linked with needle plate.The stepped hole for placing delay nail is provided on ejector retainner plate, the ailhead for the nail that is delayed is located in the epimere of stepped hole, can be moved along its axis relative to ejector retainner plate., the lower end in contact of ailhead and sprue puller opposite with the sprue puller forward direction above it is followed closely in the delay.Injection mold structure optimization disclosed by the utility model, it is highly practical, it saves and falls to repair the production process of material handle, ensure product quality, high yield rate, utilization is cost-effective, improves production efficiency.
Description
Technical field
The utility model is related to automobile injection mold technologies, and in particular to a kind of from dynamic circuit breaker cast gate injection mold.
Background technology
For the auto parts and components of some injection moldings, the material being cooled and shaped at product piece after molding and cast gate is usually
It all links together, when product piece is taken out out of dynamic model, together with material after taking-up together, needs manually repairing to be fallen material.
Manual repair expects that of high cost, efficiency is low time-consuming and laborious, requires the technology of operating personnel high, and improper meeting is fallen in repairing to material
Finished parts are caused to damage, it is difficult to repair.The molding part of part injection is made of material NAFI (P/E-NF20), material NAFI
(P/E-NF20) there is good brittleness, deform under external force to a certain extent, it may occur that fracture, according to material NAFI
(P/E-NF20) have the characteristics that good brittleness this, can be when product piece be from mould ejection, by product piece and material pushing up
Ejection saves repairing material this process, part by one-step molding reduces labour cost to disengage by force at twice during going out
With cost-effective.
Utility model content
In view of the above shortcomings of the prior art, the purpose of this utility model is that proposing a kind of from dynamic circuit breaker cast gate injection mould
Tool solves manual repair's material time-consuming and laborious, and of high cost, production efficiency and yield rate are low, and technical operation requires high problem.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is：
One kind is from dynamic circuit breaker cast gate injection mold, including dynamic model, cover half, sprue mold insert, sprue puller, delay nail, needle plate and top
Needle plate, the sprue mold insert are arranged in dynamic model, inside be provided with side gate.The lower part of side gate is to the side of dynamic model cavity surface
Recess forms back-off.Sprue mold insert is inserted on the top of the sprue puller, and its underpart is located in needle plate, and sprue puller is inlayed with cast gate respectively
Part and needle plate are slidably connected.Ejector retainner plate is located at the lower section of needle plate, is fixedly linked with needle plate.It is provided on ejector retainner plate and places delay nail
The ailhead of stepped hole, the nail that is delayed is located in the epimere of stepped hole, can be moved along its axis relative to ejector retainner plate.Delay nail with
Sprue puller forward direction above it is opposite, the lower end in contact of ailhead and sprue puller.
Preferably, it is provided with bottom plate below ejector retainner plate, the bottom of ejector retainner plate is stretched out in the lower end for the nail that is delayed, and can withstand on bottom plate
Upper surface, the part that delay nail stretches out ejector retainner plate bottom is provided with clamp spring.
Preferably, multiple mandrils are provided with above the needle plate, dynamic model is inserted into the upper end of each mandril, extended dynamic model
Cavity surface, lower end are fixedly linked with needle plate.
Preferably, the cover half is located at the top of dynamic model, and dynamic model forms injection die cavities between the two with after cover half molding,
Injection die cavities be connected with side gate part height h be 1mm.
Preferably, be delayed nail ailhead and stepped hole hole shoulder grafting touch when, between the top and ejector retainner plate upper surface of ailhead
Height be delay distance H, delay distance H is 8mm~12mm.
Preferably, guide sleeve is cased in the middle part of the sprue puller, the guide sleeve is installed on by fixed block on dynamic model.
Preferably, the back-off amount L of the back-off is 0.7mm.
By using above-mentioned technical proposal, the advantageous effects of the utility model are：The sprue mold insert of the utility model
There is back-off, product piece first to be ejected out of dynamic model for inside, and material is made after out of sprue mold insert, and delay nail realizes product piece and material
Ejection at twice, it can be achieved that material is the separation with product piece, the process for saving manual repair's material handle, product piece one-pass molding,
Labour cost is reduced, it is cost-effective, improve production efficiency.The back-off of side gate ensures product piece in ejection, product piece it is strong
De- nothing is pulled and is deformed, and ensures that presentation quality ensures that mould structure is rationally reliable again.
Description of the drawings
Fig. 1 is a kind of principle schematic diagram from dynamic circuit breaker cast gate injection mold of the utility model.
Fig. 2 is the partial enlarged view of structural schematic diagram part A in Fig. 1.
Fig. 3 is the partial enlarged view of structural schematic diagram part B in Fig. 1.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings：
It is a kind of from dynamic circuit breaker cast gate injection mold in conjunction with Fig. 1 to Fig. 3, including dynamic model, cover half, sprue mold insert 1, sprue puller 2,
Delay nail 3, needle plate 4 and ejector retainner plate 5, the sprue mold insert 1 are fixedly mounted in dynamic model, and the inside of sprue mold insert 1 is provided with side and pours
Mouth 11.The cover half is located at the top of dynamic model, and dynamic model forms injection die cavities with after cover half molding between dynamic model and cover half, described
Injection die cavities are communicated with the top of the side gate 11 of sprue mold insert 1.When being molded, hot fluid is entered by side gate 11 to be molded
Cavity after cooling, forms the product piece of fragile material, the hot fluid in side gate 11 is cooled into material in the inside of injection die cavities
.Be connected with the side gate height h of part of injection die cavities is 1mm, i.e., product piece with expect the thickness of the part of junction be
1mm.The lower part of side gate 11 is recessed to form back-off 12 to the side of dynamic model cavity surface, and the back-off amount L of the back-off 12 is
0.7mm, the top for being molded the material handle formed after the completion are connected with product piece, and its underpart is stuck in the inside of side gate 11, without outer
The abjection out of side gate 11 is difficult under force effect.
The top of the sprue puller 2 is inserted into sprue mold insert 1, and the upper end can be stretched out by the bottom of side gate 11, sprue puller 2
Lower part be located in needle plate 4, the upper and lower ends of sprue puller 2 are slidably connected with sprue mold insert 1 and needle plate 4 respectively, under sprue puller 2
Hold the bottom of extended needle plate 4.The middle part of the sprue puller 2 is cased with guide sleeve 41, and the guide sleeve 13 is pacified by fixed block 6
Loaded on dynamic model, guide sleeve 13 plays guiding role to sprue puller 2, avoids the strut stability when being pressurized of sprue puller 2.The drawing
Expect that the upper end of bar 2 is taper round end structure, when being molded, the taper rounded portions of sprue puller 2 are located at sprue mold insert 1
Inside mounting hole, hot fluid enter the taper rounded portions of sprue puller 2 outside be cooled and shaped it is wrapped up, can prevent material from
It is fallen when ejection in side gate 11.
Ejector retainner plate 5 is located at the lower section of needle plate 4 and is fixedly linked together with needle plate 4, and the lower section of ejector retainner plate 5 is provided with bottom plate
7, bottom plate 7 is fixedly linked with dynamic model.The ejector retainner plate 5 is connect by ejecting mechanism with bottom plate 7 below, and ejecting mechanism can drive
Dynamic ejector retainner plate 5 and needle plate 4 are together along the axial movement of sprue puller 2.The stepped hole 8 for placing delay nail 3, institute are provided on ejector retainner plate 4
It is second order stepped hole to state stepped hole 8, and the diameter of epimere is more than the diameter of hypomere, and the delay nail 3 is located in stepped hole 8,
Ailhead 31 is located in the epimere of stepped hole 8, and the main part of the nail rod 32 of delay nail 3 is located in the hypomere of stepped hole 8, delay nail
3 can move along its axis relative to ejector retainner plate 5.When the ailhead of delay nail 3 is touched with the hole shoulder grafting of stepped hole 8, the top of ailhead 31
Height between 5 upper surface of ejector retainner plate is delay distance H, and delay distance H is 8mm~12mm, the preferred value of delay distance H
For 10mm.
The bottom of ejector retainner plate 5 is stretched out in 32 lower end of nail rod of delay nail 3, can withstand on the upper surface of bottom plate 7, under the nail rod 32
The part that 5 bottom of ejector retainner plate is stretched out at end is equipped with clamp spring 33, when the lower end of delay nail 3 withstands on the upper surface of bottom plate 7, clamp spring
33 can prevent delay nail 3 from being headed into completely in ejector retainner plate 5, and the ailhead 31 of the control delay of clamp spring 33 nail 3 is in the epimere of stepped hole 8
Displacement distance.The delay nail 3 and the sprue puller 2 above it are positive opposite, the ailhead 31 of delay nail 3 under sprue puller 2
End in contact needs will to expect out of side gate 11 when ejection, and 3 driving sprue pullers 2 of delay nail are relative to sprue mold insert 1 to moving up
It is dynamic, it will expect, ejecting out of side gate 11 back-off, to detach with sprue mold insert 1.The top of the needle plate 5 is provided with and sprue puller
The upper end of 2 parallel multiple mandrils 9, each mandril 9 is inserted into dynamic model, the cavity surface of the extended dynamic model in top of mandril 9, lower end
It is fixedly linked with needle plate 4, in the operating condition, needle plate 4 can drive all mandrils 9 to be moved upwards relative to dynamic model, mandril 9
The cavity surface of dynamic model is stretched out on top, and product piece is ejected out of dynamic model.
A kind of course of work from dynamic circuit breaker cast gate injection mold includes the following steps：Step 1, cover half have been moved to dynamic model
At molding, after the completion of molding, injection die cavities, injection die cavities and the sprue mold insert in dynamic model are formed between cover half and dynamic model
1 side gate 11 communicates, and by side gate 11 into injection die cavities heated fluid injection.After injection molding, in injection die cavities
Hot fluid is cooled into product piece, and the hot fluid in side gate 11 is cooled into material handle, during the entire process of step 1, delay
The lower end of nail 3 withstands on the upper surface of bottom plate 7, and the ailhead 31 of delay nail 3 is located at the top of stepped hole 8,31 distance from bottom rank of ailhead
Distance at 8 hole shoulder of terraced hole is delay distance H, H=10mm, and under the effect of gravity, lower end withstands on ailhead to the sprue puller 2
31 upper surface.
Step 2, cover half move upwards realization die sinking, and ejecting mechanism can drive ejector retainner plate 5, needle plate 4 and each mandril 9 to dynamic
Mould moves, and mandril 9 is contacted with product piece ejects it out of dynamic model, and the process of delay distance 10mm is moved upwards in ejector retainner plate 5
In, sprue puller 2 and 3 holding positions of delay nail are constant.In mandril 9 by product piece ejection process, material is falling in sprue mold insert 1
Always side gate 11 is stayed under the action of button, product piece, disconnecting, realizes the separation of the two with material.Step 3, when ejector retainner plate 5
When moving upwards delay distance 10mm, ailhead 31 is touched with 8 hole shoulder grafting of stepped hole, and ejector retainner plate 5 drives delay nail 3 and sprue puller 2 one
It rises and moves upwards, while product piece continues from dynamic die liftout, the top of sprue puller 2 will expect the ejection out of side gate 11,
Realize that material is removed the separation with sprue mold insert 1, then by material handle and product piece.
Certainly, the above description is not intended to limit the present invention, is also not limited to the example above, the art
The variations, modifications, additions or substitutions made in the essential scope of the utility model of technical staff, should also belong to this practicality
Novel protection domain.
Claims (7)
1. a kind of from dynamic circuit breaker cast gate injection mold, including dynamic model, cover half, sprue mold insert, sprue puller, delay nail, needle plate and thimble
Plate, which is characterized in that the sprue mold insert is arranged in dynamic model, inside be provided with side gate；
The lower part of side gate is recessed to form back-off to the side of dynamic model cavity surface；
Sprue mold insert is inserted on the top of the sprue puller, and its underpart is located in needle plate, sprue puller respectively with sprue mold insert and needle plate
It is slidably connected；
Ejector retainner plate is located at the lower section of needle plate, is fixedly linked with needle plate；
The stepped hole for placing delay nail is provided on ejector retainner plate, the ailhead for the nail that is delayed is located in the epimere of stepped hole, can be relative to top
Needle plate moves along its axis；
, the lower end in contact of ailhead and sprue puller opposite with the sprue puller forward direction above it is followed closely in the delay.
2. according to claim 1 a kind of from dynamic circuit breaker cast gate injection mold, which is characterized in that be provided with below ejector retainner plate
The bottom of ejector retainner plate is stretched out in bottom plate, the lower end for the nail that is delayed, and can withstand on the upper surface of bottom plate, and delay nail stretches out the portion of ejector retainner plate bottom
Set up separately and is equipped with clamp spring.
3. according to claim 1 a kind of from dynamic circuit breaker cast gate injection mold, which is characterized in that the top of the needle plate is arranged
There are multiple mandrils, the upper end of each mandril to be inserted into dynamic model, the cavity surface of extended dynamic model, lower end is fixedly linked with needle plate.
4. according to claim 1 a kind of from dynamic circuit breaker cast gate injection mold, which is characterized in that the cover half is located at dynamic model
Top after the molding of dynamic model and cover half, forms injection die cavities between the two, and injection die cavities are connected the height h of part with side gate
For 1mm.
5. according to claim 1 a kind of from dynamic circuit breaker cast gate injection mold, which is characterized in that the ailhead and ladder for the nail that is delayed
When the hole shoulder grafting in hole touches, the height between the top and ejector retainner plate upper surface of ailhead is delay distance H, delay distance H be 8mm~
12mm。
6. according to claim 1 a kind of from dynamic circuit breaker cast gate injection mold, which is characterized in that the middle part of the sprue puller covers
There are guide sleeve, the guide sleeve to be installed on dynamic model by fixed block.
7. according to claim 1 a kind of from dynamic circuit breaker cast gate injection mold, which is characterized in that the back-off amount L of the back-off
For 0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060540.2U CN207825397U (en) | 2018-01-15 | 2018-01-15 | One kind is from dynamic circuit breaker cast gate injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820060540.2U CN207825397U (en) | 2018-01-15 | 2018-01-15 | One kind is from dynamic circuit breaker cast gate injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207825397U true CN207825397U (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820060540.2U Active CN207825397U (en) | 2018-01-15 | 2018-01-15 | One kind is from dynamic circuit breaker cast gate injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127874A (en) * | 2018-01-15 | 2018-06-08 | 青岛海泰科模具有限公司 | One kind is from dynamic circuit breaker cast gate injection mold |
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2018
- 2018-01-15 CN CN201820060540.2U patent/CN207825397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127874A (en) * | 2018-01-15 | 2018-06-08 | 青岛海泰科模具有限公司 | One kind is from dynamic circuit breaker cast gate injection mold |
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