CN202742638U - Shearing structure for water gap inside mould - Google Patents
Shearing structure for water gap inside mould Download PDFInfo
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- CN202742638U CN202742638U CN 201220326125 CN201220326125U CN202742638U CN 202742638 U CN202742638 U CN 202742638U CN 201220326125 CN201220326125 CN 201220326125 CN 201220326125 U CN201220326125 U CN 201220326125U CN 202742638 U CN202742638 U CN 202742638U
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Abstract
The utility model relates to a shearing structure for a water gap inside a mould. The shearing structure comprises a shearing cutter, a shearing ejector plate and a shearing ejector, wherein the shearing cutter is embedded on a rear mould core of a mould rear moudling board for carrying out punching, transverse pressure-cutting or straight compression movement; the shearing ejector plate and the shearing ejector are connected with a drive oil cylinder of the mould; the shearing cutter is arranged at a pouring gate of the rear mould core; and the two ends of the shearing ejector are respectively connected with the shearing cutter and the shearing ejector plate. The drive oil cylinder enables the shearing ejector plate to move up and down to drive the shearing ejector to move up and down in a working process, so that the shearing cutter carries out punching, transverse pressure-cutting or linear compression movement at the pouring gate for separating the degraded material from the product. Automatic shearing for the water gap inside the mould is achieved to avoid a shearing leakage phenomenon; a random production at any mould is achieved to completely avoid original processing manpower and a processing punching cutter after mould stripping; besides, the process flow is simplified, the time and manpower are saved, the cost is reduced, and the stability and accuracy in a cutting process are ensured, so that the quality of the product is ensured.
Description
Technical field
The utility model belongs to injection moulding process and injection mold technical field, particularly a kind of mould inside mouth of a river shear constitution.
Background technology
At present, existing mould basically adopts large cast gate to enter glue in injection moulding process and puts Jiao Kou and enters two kinds in glue: its better and shortcoming is respectively arranged.
Large cast gate enters gluing method regrinding-material after the formed product cooling and links to each other together with product, remakes processing after the demoulding product is separated with regrinding-material, and its advantage is large cast gate injection moulding, and product surface is complete, few flow liner and folder line, and surperficial shrinkage factor is few, and the product internal stress is little; Because large cast gate injects, injection flow and pressure are average, and equipment energy consumption is few, and the cycle is fast; The ratio that its shortcoming one is product and regrinding-material is large, the material consumption is large, and the 2nd, need after the formed product product is separated processing with regrinding-material.
Product separated with regrinding-material when point Jiao Kou entered gluing method the demoulding ejects after formed product cooling: need not remake processing after advantage is moulding (because certain breach is arranged when separating by force, so on product design, mould development, enter the glue position and must be arranged on unobviously, do not affect the position of product appearance).Shortcoming is that such as folder line, flow liner, internal stress is large, the shortcomings such as easy distortion because some Jiao Kou injects, and it is superfine little to enter the glue mouth, and equipment needs high speed and high pressure when injection moulding, and is large with regard to the forming apparatus energy consumption, and it is bad that product surface easily produces.
In order to guarantee the product surface quality, the most of mould in workshop all adopts large cast gate to enter the glue mode, take out to finish by staff product and regrinding-material to be sheared at manipulator after the formed product demoulding and again tangent plane is repaired processing after separating, it is high that the staff loss appears in above processing technology, inefficiency, staff processing can not guarantee that the consistent quality that occurs of every product is unstable, along with the human resources shortage, cost of labor improves, and manual amendment mouth of a river operation just becomes equivalent pressure to enterprise development.
The utility model content
Be to solve the above-mentioned problems in the prior art, the utility model provide a kind of a realizations mould all, cutting is stable, accurate, the human-saving that saves time, the mould inside mouth of a river shear constitution of long service life.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of mould inside mouth of a river shear constitution, the shearing ejector retainner plate and the shearing thimble that include the shearing tool that carries out die-cut, horizontal crush-cutting or straight compressional movement that is embedded on the rear cavity of described mould rear pattern plate, are connected with driving oil cylinder at described mould, described shearing tool is positioned at the cast gate place of described rear cavity, described shearing thimble two ends respectively with described shearing tool be connected ejector retainner plate and be connected.
Further, described shearing tool is embedded at described rear cavity place and also is embedded with in the lump the first slip mold insert, and described shearing tool can be slided up or down and is stuck on described the first slip mold insert.
Further, this mouth of a river shear constitution also includes the movable insert that is embedded to springing up and down on the front cavity of described mould front template, is connected with described movable insert contact when die-cut, the horizontal crush-cutting of described shearing tool or straight compressional movement.
Further, described movable insert is embedded at described front cavity place and also is embedded with in the lump the second slip mold insert, and described movable insert up and down springing ground is sliding is stuck on described the second slip mold insert.
Further, described shearing tool and described shearing thimble are integrally connected.
Further, described shearing tool is that an end is the plug-in strip on wedge shape or plane.
The beneficial effects of the utility model are:
The utility model passes through technique scheme, can automatically carry out the mouth of a river in mould shears, regrinding-material is separated with product, avoid Lou cutting and Lou criticize phenomenon, at random with mould production, process staff and original staff processing punching tool after having reduced or remitted depanning fully, effectively save human resources, greatly reduce cost of labor and equipment cost, and saved manual shearing operational sequence, simplified processing process, improve production efficiency, also guaranteed stability and the accuracy of working angles, thereby guaranteed product quality, greatly reduced the product fraction defective, reduced simultaneously the loss that brings because quality is bad and save many human resources; Also can keep board surrounding enviroment health, regrinding-material splashes and causes the employee frequently to clear up surrounding enviroment fullly in the time of can not shearing because of staff, and " 5S " work is of practical significance.
In addition, be embedded in the lump the first slip mold insert at the rear cavity place with described shearing tool, both played positioning action, guaranteed stability and the accuracy of working angles, and avoided again rubbing between shearing tool and the rear cavity, make die-cut, horizontal crush-cutting or the straight compressional movement of shearing tool more smooth, performance is more stable, and wearing and tearing can not appear in shearing tool and rear cavity yet, affect product tangent plane quality, durable, reliable, long-term production can not produce the cloak burr; And, be embedded in the lump movable insert and the second slip mold insert on the front cavity, avoided excessive because of die-cut, horizontal crush-cutting or straight squeezing action power, cause shearing tool and front cavity to be damaged, guarantee stable service behaviour and good product quality, longer service life.
Description of drawings
Fig. 1 is the structural representation of the rear cavity of a kind of mould inside described in the utility model mouth of a river shear constitution embodiment;
Fig. 2 is the another kind of structural representation of shearing tool in the shear constitution of a kind of mould inside described in the utility model mouth of a river;
Fig. 3 is the structural representation of the front cavity of a kind of mould inside described in the utility model mouth of a river shear constitution embodiment;
Fig. 4 is that the described mould inside of the utility model embodiment mouth of a river shear constitution is applied to the structural representation on the mould;
Fig. 5 is the schematic flow sheet of a kind of injection moulding process described in the utility model.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to Fig. 1 to Fig. 4, the described a kind of mould inside of the utility model embodiment mouth of a river shear constitution, shearing tool 1, shearing ejector retainner plate 2 and shearing thimble 3; Wherein, described shearing tool 1 is that an end is the plug-in strip on wedge shape or plane, is embedded on the rear cavity 81 of described mould rear pattern plate 8, and is positioned at cast gate 82 places of rear cavity 81; Described shearing ejector retainner plate 2 is located at the behind of the original ejector retainner plate of described mould, and with drive oil cylinder (this driving oil cylinder with eject die-cut controller conducting and be connected.) connect, this driving oil cylinder orders about shearing ejector retainner plate 2 and moves up and down; Described shearing thimble 3 one ends with shear ejector retainner plate 2 and be connected, the other end passes rear pattern plate 8 and is connected with shearing tool 1 on the rear cavity 81, and described shearing tool 1 and shearing thimble 3 are integrally connected.Like this, when this mouth of a river shear constitution is worked, the driving oil cylinder orders about shearing ejector retainner plate 2 and moves up and down, and drives shearing thimble 3 and moves up and down, and makes shearing tool 1 carry out die-cut, horizontal crush-cutting or straight compressional movement at cast gate 82 places, regrinding-material and separation of products, realize the mouth of a river automatic shearing of mould inside, a mould all, reduce to leak to cut and Lou criticize phenomenon, the manual time has been saved in again staff processing after the depanning.
As the utility model one preferred embodiment, described shearing tool 1 is embedded at rear cavity 81 places and also is embedded with in the lump the first slip mold insert 4, and shearing tool 1 can be slided up or down and be stuck on the first slip mold insert 4, both played positioning action, guarantee stability and the accuracy of working angles, avoided again rubbing between shearing tool 1 and the rear cavity 81, make the die-cut of shearing tool 1, horizontal crush-cutting or straight compressional movement are more smooth, performance is more stable, shearing tool 1 wearing and tearing can not occur with rear cavity 81 yet, affect product tangent plane quality, durable, reliably, long-term production can not produce the cloak burr.
As the utility model one preferred embodiment, this mouth of a river shear constitution also includes movable insert 5 and the second slip mold insert 6, and be embedded in the lump on the front cavity 71 of described mould front template 7, corresponding with shearing tool 1 and the first slip mold insert 4 positions on the described rear cavity 81; Described movable insert 5 is slided to springing up and down and is stuck on the second slip mold insert 6, be connected with movable insert 5 contacts when described shearing tool 1 die-cut, horizontal crush-cutting or straight compressional movement, make thereupon up and down springing of movable insert 5, avoided because of die-cut, horizontal crush-cutting or straight squeezing action power excessive, cause shearing tool 1 and front cavity 71 to be damaged, guarantee stable service behaviour and good product quality, longer service life, and second slip mold insert 6 also avoided rubbing between movable insert 5 and the front cavity 71, movable insert 5 is more durable, and up and down springing performance is secure.
Referring to shown in Figure 5, the described a kind of mold injection method of the utility model embodiment, comprise successively that matched moulds, the injection fort carried out advance, melten gel, injection, pressurize, the shearing of mould inner nozzle, die sinking and eject step, shear described mould inner nozzle is hot extrude butt formula or the cold blanking formula that realizes by mould inside described in the utility model mouth of a river shear constitution.
Wherein, described hot extrude blanking method is specifically as follows: carry out horizontal crush-cutting or straight extruding by 1 pair of uncooled cast gate of the shearing tool on the rear cavity 81,82 places after pressurize, before the melten gel, the regrinding-material before being shaped is separated with product; The shearing tool 1 that adopt this moment is that an end is the plug-in strip on wedge shape or plane.
Described cold blanking formula is specifically as follows: undertaken die-cutly after pressurize, before the melten gel by the 1 pair of cast gate that has cooled off 82 place of the shearing tool in the rear cavity 81, the regrinding-material after being shaped is separated with product; The cutting implement 1 that adopt this moment is that an end is the plug-in strip of wedge shape.
Like this, by injection moulding process described in the utility model, automatically carrying out the mouth of a river in mould shears, regrinding-material is separated with product, avoid Lou cutting and Lou criticize phenomenon, at random with mould production, reduced or remitted processing staff and original staff processing punching tool after the depanning fully, effectively save human resources, greatly reduce cost of labor and equipment cost, and saved manual shearing operational sequence, and simplified processing process, improved production efficiency, also guarantee stability and the accuracy of working angles, thereby the assurance product quality has greatly reduced the product fraction defective, reduces simultaneously the loss that brings because quality is bad and saves many human resources.In addition, keep board surrounding enviroment health, regrinding-material splashes and causes the employee frequently to clear up surrounding enviroment fullly in the time of can not shearing because of staff, and " 5S " work is of practical significance.
The above is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (6)
1. mould inside mouth of a river shear constitution, it is characterized in that: the shearing ejector retainner plate (2) and the shearing thimble (3) that include the shearing tool (1) that carries out die-cut, horizontal crush-cutting or straight compressional movement that is embedded on the rear cavity (81) of described mould rear pattern plate (8), are connected with driving oil cylinder at described mould, described shearing tool (1) is positioned at the cast gate (82) of described rear cavity (81) to be located, and described shearing thimble (3) two ends connect with described shearing tool (1) and shearing ejector retainner plate (2) respectively.
2. mould inside according to claim 1 mouth of a river shear constitution, it is characterized in that: described shearing tool (1) is embedded in described rear cavity (81) and locates also to be embedded with in the lump the first slip mold insert (4), and described shearing tool (1) can be slided up or down and is stuck on described the first slip mold insert (4).
3. mould inside according to claim 1 and 2 mouth of a river shear constitution, it is characterized in that: this mouth of a river shear constitution also includes the movable insert (5) that is embedded to springing up and down on the front cavity (71) of described mould front template (7), is connected with described movable insert (5) contact when die-cut, the horizontal crush-cutting of described shearing tool (1) or straight compressional movement.
4. mould inside according to claim 3 mouth of a river shear constitution, it is characterized in that: described movable insert (5) is embedded in described front cavity (71) and locates also to be embedded with in the lump the second slip mold insert (6), and described movable insert (5) up and down springing ground is sliding is stuck on described the second slip mold insert (6).
5. it is characterized in that according to claim 1 and 2 or 4 described mould inside mouth of a river shear constitutions: described shearing tool (1) is integrally connected with described shearing thimble (3).
6. mould inside according to claim 5 mouth of a river shear constitution, it is characterized in that: described shearing tool (1) is that an end is the plug-in strip on wedge shape or plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326125 CN202742638U (en) | 2012-07-06 | 2012-07-06 | Shearing structure for water gap inside mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220326125 CN202742638U (en) | 2012-07-06 | 2012-07-06 | Shearing structure for water gap inside mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202742638U true CN202742638U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220326125 Expired - Fee Related CN202742638U (en) | 2012-07-06 | 2012-07-06 | Shearing structure for water gap inside mould |
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| Country | Link |
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| CN (1) | CN202742638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744839A (en) * | 2012-07-06 | 2012-10-24 | 珠海市英豪电子科技有限公司 | Cutting structure and injection molding method of water gap in die |
| CN105397060A (en) * | 2015-11-10 | 2016-03-16 | 苏州三基铸造装备股份有限公司 | Vertical-type high-pressure casting die for in-die automatic cutting casting system |
| CN110406037A (en) * | 2019-08-29 | 2019-11-05 | 东莞晶彩光学有限公司 | A kind of inserted optics mould core structure |
-
2012
- 2012-07-06 CN CN 201220326125 patent/CN202742638U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744839A (en) * | 2012-07-06 | 2012-10-24 | 珠海市英豪电子科技有限公司 | Cutting structure and injection molding method of water gap in die |
| CN102744839B (en) * | 2012-07-06 | 2015-04-15 | 珠海市英豪电子科技有限公司 | Cutting structure and injection molding method of water gap in die |
| CN105397060A (en) * | 2015-11-10 | 2016-03-16 | 苏州三基铸造装备股份有限公司 | Vertical-type high-pressure casting die for in-die automatic cutting casting system |
| CN110406037A (en) * | 2019-08-29 | 2019-11-05 | 东莞晶彩光学有限公司 | A kind of inserted optics mould core structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20140706 |
|
| EXPY | Termination of patent right or utility model |