CN204936057U - The mould of mold insert is changed in a kind of front - Google Patents

The mould of mold insert is changed in a kind of front Download PDF

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Publication number
CN204936057U
CN204936057U CN201520622607.3U CN201520622607U CN204936057U CN 204936057 U CN204936057 U CN 204936057U CN 201520622607 U CN201520622607 U CN 201520622607U CN 204936057 U CN204936057 U CN 204936057U
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CN
China
Prior art keywords
mold insert
fixing hole
template
mould
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520622607.3U
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Chinese (zh)
Inventor
刘昌进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WEIHAI HAICHUANG MOLD TECHNOLOGY CO LTD
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WEIHAI HAICHUANG MOLD TECHNOLOGY CO LTD
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Publication date
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Priority to CN201520622607.3U priority Critical patent/CN204936057U/en
Application granted granted Critical
Publication of CN204936057U publication Critical patent/CN204936057U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses the mould that mold insert is changed in a kind of front, comprise template, die, mold insert and threaded fastener.Template-setup has die groove, and die is embedded in die groove, and die is provided with embedding piece groove, and mold insert is embedded in embedding piece groove, mold insert has mold insert fixing hole, and mold insert fixing hole runs through described mold insert.In template, there is template fixing hole the position corresponding with mold insert fixing hole.The inner surface of mold insert fixing hole and template fixing hole is provided with internal thread, and threaded fastener is threaded mold insert fixing hole and template fixing hole successively, and mold insert and die is fixed in template.In above-mentioned mould, threaded fastener can pierce into and fastening mold insert from the front of mold insert, when changing mold insert, also can take out from front, and there is in mold insert fixing hole internal thread, as impetus, the instruments such as drawbench just can be utilized to be taken out in the front of mold insert from die, shorten mold insert replacing construction, enhance productivity.

Description

The mould of mold insert is changed in a kind of front
Technical field
The utility model relates to technical field of mold, particularly relates to the mould that mold insert is changed in a kind of front.
Background technology
Mould, is used to mould or the instrument of formed article, is widely used in the injection moulding in industrial production, blowing, extrudes, in the production method such as shaping, punching press.A kind of mould can produce the identical product of a kind of shape, and in order to save manufacturing cost, when manufacturing the product only having local shape different, can adopt a mould, implementation changes die core insert exactly.Die refers to the precision component that the key for mold center position operates, and mold insert refers to the dismountable component be nested in die.When mold pressing, in order to ensure the quality of product, die is locked on mould, has produced A product, needs to pull down original mold insert, changes new mold insert and could continue to produce B product.
Existing mold insert and mould adopt screw fixed form realize both locking, specifically with screw break-through mould coordinating with the screwed hole at the mold insert back side, with this, mold insert is fixed on mould, and then mould is fixed on injection molding machine produces.When mold insert changed by needs, because the screw of fixing mold insert and mould pierces into mold insert from the back side of mold insert, so first need mould to pull down from entirety injection molding machine, take off the mold insert of A type product again, change the mold insert of Type B product, again install mould, after completing mold insert replacing, must again mould be fixed on injection molding machine, just can restart to produce.Process three hours consuming time of above-mentioned replacing mold insert, reduce into the efficiency of product.And repeated disassembled and assembled mould, not only the serious curtailment mold use life-span, also considerably increase defect rate.
Therefore, how to shorten the time changing mold insert, enhancing productivity is those skilled in the art's problem demanding prompt solutions.
Utility model content
The utility model provides a kind of front and changes the mould of mold insert, changes mold insert longer, the problem that affects production efficiency consuming time to solve in prior art.
The utility model discloses following technical scheme:
A mould for mold insert is changed in front, comprises template, die, mold insert and threaded fastener.
Described template-setup has die groove, and described die is embedded in described die groove, and described die is provided with embedding piece groove, and described mold insert is embedded in described embedding piece groove, described mold insert is provided with mold insert fixing hole, and described mold insert fixing hole runs through described mold insert.
In described template, the position corresponding with described mold insert fixing hole be provided with template fixing hole, the inner surface of described mold insert fixing hole and described template fixing hole is provided with internal thread, described threaded fastener is threaded described mold insert fixing hole and described template fixing hole successively, and described mold insert and described die is fixed in described template.
Preferably, the mould of mold insert is changed in above-mentioned front, and described mold insert fixing hole is not communicated with the injection molding cavity in mould.
Preferably, the mould of mold insert is changed in above-mentioned front, and described threaded fastener does not enter in the injection molding cavity in mould, and the surface of described threaded fastener is not less than the top edge of described mold insert fixing hole.
Preferably, the mould of mold insert is changed in above-mentioned front, and described mold insert fixing hole comprises screw thread hole section, and the diameter of described screw thread hole section is greater than the diameter of described template fixing hole.
Preferably, the mould of mold insert is changed in above-mentioned front, and the length of described screw thread hole section is 2 times of described threaded fastener diameter.
Preferably, the mould of mold insert is changed in front, and described threaded fastener and described mold insert fixing hole and template fixing hole cooperatively interact.
Preferably, the mould of mold insert is changed in above-mentioned front, the central shaft of described mold insert fixing hole and the central shaft of described template fixing hole coaxial.
Preferably, the mould of mold insert is changed in above-mentioned front, and described die is symmetrically arranged with multiple embedding piece groove.
From above technical scheme, the mould of mold insert is changed in a kind of front that the utility model provides, and comprises template, die, mold insert and threaded fastener.Described template-setup has die groove, and described die is embedded in described die groove, and described die is provided with embedding piece groove, and described mold insert is embedded in described embedding piece groove, described mold insert is provided with mold insert fixing hole, and described mold insert fixing hole runs through described mold insert.In described template, the position corresponding with described mold insert fixing hole be provided with template fixing hole, the inner surface of described mold insert fixing hole and described template fixing hole is provided with internal thread, described threaded fastener is threaded described mold insert fixing hole and described template fixing hole successively, and described mold insert and described die is fixed in described template.
Unlike the prior art, mold insert being provided with mold insert fixing hole makes threaded fastener to pierce into from the front of mold insert and to be undertaken fastening by mold insert, like this, when mold insert changed by needs, also securing member can take out from the front of mold insert by nature, and because there is internal thread in the mold insert fixing hole of mold insert, therefore can as impetus, utilize instrument, the front of mold insert from die is taken out by such as drawbench.And no longer need as in existing technology because the securing member of mold insert and die is fixed the back side of mold insert and die, when mold insert changed by needs, first die must be removed from template, expose above-mentioned securing member, could remove from mold insert from die, whole process is time-consuming longer.
Therefore, what the utility model provided a kind ofly can change the mould of mold insert in front, can shorten mold insert replacing construction, enhance productivity.This mould can be avoided repeatedly changing die simultaneously, serves protection mould, extends the effect of die life and stabilized product quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required for embodiment is briefly described, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the shaped device of the mould of the front replacing mold insert that Fig. 1 provides for band the utility model;
The structural representation of the mould of the front replacing mold insert that Fig. 2 provides for the utility model;
Fig. 3 is the cross section structure schematic diagram of Fig. 2 in A-A direction;
Fig. 4 is the structural representation of existing mold;
Structural representation Fig. 2 of the mould of the front replacing mold insert that Fig. 5 provides for the utility model;
The front that Fig. 6-Fig. 8 provides for the utility model is the illustrated steps of the method for mold insert in mold exchange more.
Wherein: 1-template, 2-die, 3-mold insert, 4-threaded fastener, 5-drawing part.
Detailed description of the invention
The utility model provides a kind of front and changes the mould of mold insert, changes mold insert longer, the problem that affects production efficiency consuming time to solve in prior art.
Technical scheme in this explanation is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in this explanation embodiment, technical scheme in this explanation embodiment is clearly and completely described, obviously, described embodiment is only that this illustrates a part of embodiment, instead of whole embodiments.Based on the embodiment in this explanation, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of this explanation protection.
Please refer to accompanying drawing 1, the structural representation of the shaped device of the mould of mold insert is changed in the front that the figure shows band the utility model provides.As described in Figure 1, the mould that mold insert is changed in the front that the utility model provides is divided into left and right two parts template 1, when after this two parts template 1 matched moulds, the injection molding cavity for shaped article can be formed in the binding face of two templates 1, injected plastics material enters this injection molding cavity, and the shape of injection molding cavity limits and compression molding goes out product.Refer again to Fig. 2, the structural representation of the mould of the front replacing mold insert that Fig. 2 provides for the utility model.Mould is as shown in Figure 2 by the structural representation of the template in Fig. 1 from the rear horizontal of shaped device dismounting, can see and comprise template 1, die 2, mold insert 3 and threaded fastener 4.Composition graphs 1 and Fig. 2 known, described template 1 is provided with die groove, and described die 2 is embedded in described die groove, described die 2 is provided with embedding piece groove, described mold insert 3 is embedded in described embedding piece groove, and described mold insert 3 is provided with mold insert fixing hole, and described mold insert fixing hole runs through described mold insert 3.Please refer to Fig. 3, Fig. 3 is the cross section structure schematic diagram of Fig. 2 in A-A direction.As can be seen from Fig. 3, mold insert fixing hole runs through mold insert 3, that is mold insert 3 is provided with through hole from surface to ground.In described template 1, the position corresponding with described mold insert fixing hole be provided with template fixing hole.The inner surface of described mold insert fixing hole and described template fixing hole is provided with internal thread, and described threaded fastener 4 is threaded described mold insert fixing hole and described template fixing hole successively, and described mold insert 3 and described die 2 is fixed in described template 1.
Please comparison diagram 4 and figure, Fig. 4 shows the structural representation of existing mold, and structural representation Fig. 2 of the mould of mold insert is changed in the front that Fig. 5 provides for the utility model.Can see, in existing mould, no matter it is fixing to be the fixing of die 2 and template 1 or mold insert 3 with template 1, be all adopt securing member from the bottom surface break-through template of template 1, and then continue and be arranged on the mode that the fixing hole on die 2 or mold insert 3 matches.When mold insert 3 changed by needs, first must be removed from template 1 by die 2, expose above-mentioned securing member, mold insert 3 could be removed from die 2, whole process is time-consuming longer.Compare existing template 1, as shown in Figure 5, the mould of mold insert is changed in the front that the utility model provides, and threaded fastener can pierce into from the front of mold insert and be undertaken fastening by mold insert, like this, when mold insert changed by needs, also securing member can take out from the front of mold insert by nature, and because there is internal thread in the mold insert fixing hole of mold insert, therefore can as impetus, utilize instrument, the front of mold insert 3 from die 2 is taken out by such as drawbench.
Therefore, what the utility model provided a kind ofly can change the mould of mold insert in front, can shorten mold insert replacing construction, enhance productivity.This mould can be avoided repeatedly changing die simultaneously, serves protection mould, extends the effect of die life and stabilized product quality.
In above-mentioned technical scheme, the replacing of mold insert is consuming time necessarily a lot of than will shortening of prior art, and also complete the fixing and locking of mold insert simultaneously, the product meeting designing requirement can be produced when shaping, and can not loosen because of mold insert or be shifted and affect the quality of product.First than with the existing mould locking and change mold insert from other, what the mould that the utility model provides was maximum is not both the mold insert fixing hole arranging in the front of mold insert and run through whole mold insert, threaded fastener 4 is combined with in above-mentioned mold insert fixing hole, after injected plastics material is filled into injection molding cavity, the shape of product arranging the position of mold insert fixing hole can not be changed, otherwise will produce defective work.And in order to avoid this situation, at the enterprising one-step optimization in the basis of technique scheme, described mold insert fixing hole is not communicated with the injection molding cavity in mould.What is called is not communicated with and refers to, injected plastics material can not enter mold insert fixing hole.
Same, be the shape in order to avoid affecting product, on the basis of technique scheme, described threaded fastener 4 does not enter in the injection molding cavity in mould, and the surface of described threaded fastener 4 is not less than the top edge of described mold insert fixing hole yet.So just can ensure that the shape of injection molding cavity can not because of there being changing of the existence of mold insert fixing hole and threaded fastener, thus the mould that mold insert is changed in the front using the utility model to provide can produce the product with existing mold same shape.
In technique scheme, the inner surface of mold insert fixing hole has internal thread.Because in actual production, change the dimensional problem of the instrument of mold insert from front, so the diameter of mold insert fixing hole is larger than the diameter of template fixing hole.And in order to make the instrument changing mold insert 3 stronger with coordinating of mold insert fixing hole, thread can be cut with scissors out at the inner surface screw tap of mold insert fixing hole.Thread is exactly internal thread.But the length with the screw thread hole section of thread can be equal to or less than the length of mold insert fixing hole.But in order to ensure the firmness that mold insert 3 and template 1 are fixed, the length of described screw thread hole section can be 2 times of described threaded fastener 4 diameter.Certainly, the shape of the threaded fastener matched with described screw thread hole section and described template fixing hole also should be upper thick lower narrow best.
In order to the convenience that makes and consider with coordinating of firm of screw thread, the central shaft of described mold insert fixing hole and the central shaft of described template fixing hole coaxial.That is mold insert fixing hole and template fixing hole are all straight holes, as for whether being the straight hole fallen in mold insert bottom surface and template bottom surface, can determine according to the concrete shape of injection molding cavity, be arranged to vertical through hole when mold insert fixing hole be more conducive to it is not communicated with injection molding cavity, thus when being more conducive to ensureing product quality, be just designed to vertical through hole.Otherwise be just designed to the inclined hole angled with mold insert bottom surface.Certainly no matter be designed to vertical through hole or oblique through hole, all will ensure that mold insert can be fixed in template after coordinating with it by threaded fastener.
According to the knowhow of reality, described die is symmetrically arranged with multiple embedding piece groove.The mode that each mold insert adopts front fixing, also can change from front.It is that symmetry is carried out that general mold insert is changed.Please refer to Fig. 6 to Fig. 8, their figure have solved the exchonge step of mold insert, first as shown in Figure 6, taken out by threaded fastener 4, come out by mold insert fixing hole from mold insert 3, then utilize drawbench 5 to coordinate with the screw thread hole section in mold insert fixing hole, as shown in Figure 7.Last under the traction of drawbench 5, the mold insert be entrenched in embedding piece groove is removed, and as shown in Figure 8, then just can change novel mold insert.
The above is only detailed description of the invention of the present utility model, those skilled in the art is understood or realizes the utility model.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
The above is only detailed description of the invention of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (8)

1. a mould for mold insert is changed in front, it is characterized in that, comprises template (1), die (2), mold insert (3) and threaded fastener (4);
Described template (1) is provided with die groove, described die (2) is embedded in described die groove, described die (2) is provided with embedding piece groove, described mold insert (3) is embedded in described embedding piece groove, (3) are provided with mold insert fixing hole to described mold insert, and described mold insert fixing hole runs through described mold insert (3);
Described template (1) is upper, the position corresponding with described mold insert fixing hole is provided with template fixing hole, the inner surface of described mold insert fixing hole and described template fixing hole is provided with internal thread, described threaded fastener (4) is threaded described mold insert fixing hole and described template fixing hole successively, and described mold insert (3) and described die (2) is fixed in described template (1).
2. the mould of mold insert is changed in front according to claim 1, and it is characterized in that, described mold insert fixing hole is not communicated with the injection molding cavity in mould.
3. the mould of mold insert is changed in front according to claim 2, it is characterized in that, described threaded fastener (4) does not enter in the injection molding cavity in described mould, and the surface of described threaded fastener (4) is not less than the top edge of described mold insert fixing hole.
4. the mould of mold insert is changed in front according to claim 1 and 2, and it is characterized in that, described mold insert fixing hole comprises screw thread hole section, and the diameter of described screw thread hole section is greater than the diameter of described template fixing hole.
5. the mould of mold insert is changed in front according to claim 4, and it is characterized in that, the length of described screw thread hole section is 2 times of described threaded fastener (4) diameter.
6. the mould of mold insert is changed in front according to claim 5, it is characterized in that, described threaded fastener (4) cooperatively interacts with described mold insert fixing hole and template fixing hole.
7. the mould of mold insert is changed in front according to claim 1, it is characterized in that, the central shaft of described mold insert fixing hole and the central shaft of described template fixing hole coaxial.
8. the mould of mold insert is changed in front according to claim 1, and it is characterized in that, (2) are symmetrically arranged with multiple embedding piece groove to described die.
CN201520622607.3U 2015-08-17 2015-08-17 The mould of mold insert is changed in a kind of front Expired - Fee Related CN204936057U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106182626A (en) * 2016-09-08 2016-12-07 苏州星诺奇科技股份有限公司 A kind of mould for producing ball bearing support and processing method thereof
CN106466905A (en) * 2015-08-17 2017-03-01 威海海创模具科技有限公司 The mould of mold insert is changed in a kind of front

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106466905A (en) * 2015-08-17 2017-03-01 威海海创模具科技有限公司 The mould of mold insert is changed in a kind of front
CN106182626A (en) * 2016-09-08 2016-12-07 苏州星诺奇科技股份有限公司 A kind of mould for producing ball bearing support and processing method thereof

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160106

Termination date: 20200817

CF01 Termination of patent right due to non-payment of annual fee