CN202097905U - Locking device of core pulling structure for injection mold - Google Patents
Locking device of core pulling structure for injection mold Download PDFInfo
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- CN202097905U CN202097905U CN2011201583358U CN201120158335U CN202097905U CN 202097905 U CN202097905 U CN 202097905U CN 2011201583358 U CN2011201583358 U CN 2011201583358U CN 201120158335 U CN201120158335 U CN 201120158335U CN 202097905 U CN202097905 U CN 202097905U
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- groove
- lock module
- locking device
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Abstract
The utility model discloses a locking device of a core pulling structure for an injection mold, which comprises a core pulling fixing block, a core pulling mold-locking block, a core pulling sliding block and an oil cylinder. Based on the principle of machinery and decomposition principle of force, the locking device of the core pulling structure for the injection mold achieves the goal that the core pulling structure is locked on the premise that the output mold-locking force of the oil cylinder is smaller than the injection molding pressure in the mold, and adjust the output mold-locking force of the oil cylinder by changing the inclined-plane mold-locking angle. The locking device of the core pulling structure for the injection mold can improve pass rate of products and prolong service life of the mold, greatly improves production efficiency, and reduces production cost of batch products. The locking device is applied to the injection mold comprising the core pulling structure and used for locking the core pulling structure.
Description
Technical field
The utility model relates to a kind of side core-pulling member of injection mold, the loose core locking device of structure of specifically a kind of injection mold.
Background technology
In injecting products, for the injection mold of need employing side core-pulling structure, the structure that often adopts oil cylinder directly to loose core along the direction of loosing core.This structure usually increases rapidly because of mould inside pressure; Moment exceeds the oil cylinder clamp force and causes phenomenons such as the structure of loosing core is retreated, oil cylinder damages, product bumps perforation place overlap or block, and the product disqualification rate raises, reduce die life, production efficiency reduces thereby make.
Summary of the invention
The technical problem that the utility model will solve; Provide the loose core locking device of structure of a kind of injection mold; Be the basis with theory of mechanics and force resolution principle; Realized oil cylinder under the output prerequisite of clamp force,, and adjusted the size of oil cylinder output clamp force through changing inclined-plane locked mode angle to the purpose of the structure locking of loosing core less than the mould inside injection pressure.The utility model can improve product percent of pass and die life, and production efficiency is improved greatly, reduces the production cost of bulk article.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is:
The loose core locking device of structure of a kind of injection mold comprises the fixed block of loosing core, core-pulling lock module, loose core slide block and oil cylinder,
The said fixed block of loosing core is the hollow closed-in construction of preceding, upper and lower three openings, is fixedly connected with die ontology;
Said core-pulling lock module be located in the cavity of the fixed block of loosing core and the front, rear, left and right direction spacing, the cylinder rod of bottom and oil cylinder links, core-pulling lock module and to loose core between fixed block be being slidingly matched of above-below direction; The front end face of core-pulling lock module is the inclined plane shape on a left side, last bottom right;
It is spacing that the said slide block of loosing core is located at the place ahead and the left and right direction of core-pulling lock module; Its front portion core_pulling pole that direction is forwards extended that is fixedly connected; Thereafter end face is the last bottom right left inclined plane shape suitable with the front end face of core-pulling lock module, and loose core slide block and core-pulling lock intermodule are being slidingly matched along bevel direction;
The outer wall of cylinder block and the die ontology of said oil cylinder are fixedly connected.
More than be the basic structure of the utility model; The core-pulling lock module is driven along Y to moving by oil cylinder; Thereby driving the slide block of loosing core moves along the inclined-plane; Its produce along X to componental movement, through adjustment inclination angle of inclined plane β and core-pulling lock module the distance of Y direction motion can change the slide block of loosing core along X to the distance that moves, equally through adjust inclination angle of inclined plane β also can adjust act under the identical injection pressure Y to the size (being the size of the required output clamp force of oil cylinder) of power.During the parts of the utility model constituted: the slide block of loosing core was to be used to eliminate that indivedual positions of product before the mould die sinking can't be deviate from smoothly and the parts of loosing core established are directly to affact product surface or the fixing parts that can form the product surface characteristic; The fixed block of loosing core is directly fixed on the die ontology outer surface, and it can guide the direction of motion of core-pulling lock module, fixes through screw and mould, and carries the mould inside injection pressure at directions X component; The core-pulling lock module is used to drive the slide block of loosing core and is created in the componental movement of directions X, is carried on the required clamp force of Y direction simultaneously.Size through adjustment β angle; Can change the slide block of loosing core at the motion vector of directions X, (under the identical situation of Y direction motion vector, β is big more also can to change the size of the required output pressure of oil cylinder; The slide block of loosing core is big more at the vector of directions X motion, and the required output pressure of oil cylinder is big more; β is more little, and the slide block of loosing core is more little at the vector of directions X motion, and the required output pressure of oil cylinder is more little); The motive power of moving of loosing core comes from oil cylinder.The utility model can reduce surface defects of products, improves die life, cuts down the consumption of energy, enhances productivity.
As a kind of qualification of the utility model, the front end face of the said fixed block of loosing core and 6 °≤β of the angle of vertical plane≤18 °.
Because β hour can make the stroke of oil cylinder motion and mold outer surface occupation space increase again, make troubles for the dismounting of mould; The clamp force that oil cylinder bears when big again can increase, and oil cylinder is fragile can't lock; And its value is in 6～18 ° of scopes the time, can guarantee loosing core and locking requirement of mould, so this angle is defined as 6～18 °.
A kind of optimization as the utility model; Being slidingly matched of said core-pulling lock module and the above-below direction between fixed block of loosing core is to realize through such structure: the nearly after-frame of the left and right frame place of the said fixed block of loosing core has the draw-in groove that extends along vertical; Draw-in groove right openings on the said left frame, the draw-in groove left side opening on the right frame; The side male structure of the left and right two ends of the rear end face of core-pulling lock module for being complementary with draw-in groove, said side male structure and draw-in groove clamping and vertically be slidingly matched.
Being slidingly matched of said core-pulling lock module and the above-below direction between fixed block of loosing core also can be realized through following structure: the left and right two ends of the rear end face of said core-pulling lock module have the draw-in groove that extends along vertical; The draw-in groove left side opening of said left end, the draw-in groove right openings of right-hand member; The loose core nearly after-frame of the left and right frame place of fixed block is the side male structure that is complementary with draw-in groove, said side male structure and draw-in groove clamping and vertically be slidingly matched.
Another kind optimization as the utility model; Said slide block and the core-pulling lock intermodule of loosing core is for being to realize through such structure along being slidingly matched of bevel direction: the left and right edge of said core-pulling lock module front end face has the draw-in groove that extends along the front end face direction; The draw-in groove left side opening of said left hand edge, the draw-in groove right openings of right hand edge; The loose core side male structure of left and right edge for being complementary with draw-in groove of rear end face of slide block, said side male structure and draw-in groove clamping and be slidingly matched along the bearing of trend of draw-in groove.
Following structure realizes in order also can pass through along being slidingly matched of bevel direction for said loose core slide block and core-pulling lock intermodule: the left and right edge of the rear end face of the said slide block of loosing core has the draw-in groove that extends along the front end face direction; The draw-in groove left side opening of said left hand edge, the draw-in groove right openings of right hand edge; The side male structure of the left and right edge of core-pulling lock module front end face for being complementary with draw-in groove, said side male structure and draw-in groove clamping and be slidingly matched along the bearing of trend of draw-in groove.
Above structure optimization can be guaranteed realizing smoothly, steadily, reliably of interblock slip cooperating relationship, thus the smooth implementation of the operation of further guaranteeing to loose core.
As the further optimization of the utility model, the said slide block of loosing core, core-pulling lock module, the fixed block of loosing core are provided with oil-way in twos, are friction, lubrication.
Said core-pulling lock module surface is inlaid with carbon powder device, interior dress carbon dust.
The optimization of lubricating system can be guaranteed the quality of loosing core, and improves product percent of pass and product quality.
As the third optimization of the utility model, saidly loose core between fixed block and mould, be fixedly connected through soket head cap screw between oil cylinder and mould.
Adopt soket head cap screw to carry out dismountable flexible connection, can guarantee easy accessibility between each parts, be easy to the replacing and the maintenance of parts.
As the further optimization of loosing core between fixed block and mould, being fixedly connected between oil cylinder and mould, saidly loose core between fixed block and mould, accurately locate through alignment pin between oil cylinder and mould.
Adopt the accurate location of alignment pin can guarantee oil cylinder and core-pulling lock module, core-pulling lock module and loose core between fixed block the direction of motion and guide direction consistent; To satisfy the mechanical movement principle between each parts; Because soket head cap screw fixedly requires soket head cap screw and installing hole that certain clearance will be arranged; Adopting soket head cap screw to connect like matter inevitably makes direction of motion generation deviation between each parts, makes this structure normally to use.
Owing to adopted above-mentioned technical scheme; The utility model compared with prior art; The technological progress that is obtained is: the utility model is the basis with theory of mechanics and force resolution principle, has realized oil cylinder under the prerequisite of output clamp force less than the mould inside injection pressure, to the purpose of the structure locking of loosing core; And adjust the size of oil cylinder output clamp force through changing inclined-plane locked mode angle; The utility model can improve product percent of pass and die life, and production efficiency is improved greatly, reduces the production cost of bulk article.The utility model is applicable to the injection mold that contains the structure of loosing core, as the retaining mechanism of the structure of loosing core.
The utility model below will combine Figure of description and specific embodiment to do further explain.
Description of drawings
Fig. 1-Fig. 3 is respectively front view, left view and the vertical view of the utility model embodiment;
Fig. 4 is the overall structure sketch map of slide block 1 of loosing core among Fig. 1-embodiment illustrated in fig. 3;
Fig. 5-Fig. 7 is respectively front view, left view and the vertical view of Fig. 1-middle core-pulling lock module 5 embodiment illustrated in fig. 3.
Among the figure: the 1-slide block of loosing core, the 2-fixed block of loosing core, 3-soket head cap screw, 4-alignment pin, 5-core-pulling lock module, 6-oil cylinder, 7-cylinder rod, 8-core_pulling pole.
The specific embodiment
Embodiment
Fig. 1-shown in Figure 3 is the loose core locking device of structure of a kind of injection mold, comprises the fixed block 2 of loosing core, core-pulling lock module 5, loose core slide block 1 and oil cylinder 6.
Direction during the present embodiment structure is described is specified: with Fig. 3 is reference; Vertical paper sensing reader representes upper and lower respectively with the direction that deviates from the reader among Fig. 3; Among the figure level represent respectively to left and right direction forward and backward, among the figure straight up, under direction represent the right side, a left side respectively.In the following content of present embodiment to the description in direction, orientation all as reference.
(1) fixed block 2 of loosing core
As shown in Figure 3, the fixed block 2 of loosing core is the hollow closed-in construction of preceding, upper and lower three openings.Loose core and adopt soket head cap screw 3 to carry out dismountable flexible connection between fixed block 2 and die ontology, and accurately locate through alignment pin 4.
(2) the core-pulling lock module 5
Core-pulling lock module 5 be located in the cavity of the fixed block 2 of loosing core and the front, rear, left and right direction spacing; The bottom is provided with level that cylinder rod 7 ends with oil cylinder 6 are complementary to the buckling groove that extends; Cylinder rod 7 is as shown in Figure 2 spacing in buckling groove, is used for spurring up and down core-pulling lock module 5 vertical motions.
The concrete structure of core-pulling lock module 5 is with reference to figure 5-Fig. 7, and the core- pulling lock module 5 and 2 of the fixed blocks of loosing core are being slidingly matched of above-below direction; The front end face of core-pulling lock module 5 is the inclined plane shape on a left side, last bottom right, 6～18 ° of the angle β values of this inclined-plane and vertical plane.
Like Fig. 3; The core-pulling lock module 5 and being slidingly matched of 2 above-below directions of fixed block of loosing core are to realize through such structure: the inboard nearly after-frame place of the left and right frame of the fixed block 2 of loosing core has the draw-in groove that extends along vertical; Draw-in groove right openings on the frame of a left side, the draw-in groove left side opening on the right frame; The side male structure of the left and right two ends of the rear end face of core-pulling lock module 5 for being complementary with draw-in groove, side male structure and draw-in groove clamping and vertically be slidingly matched.
(3) loose core that to be located at the place ahead and the left and right direction of core-pulling lock module 5 spacing for slide block 1; Its front portion core_pulling pole 8 that direction is forwards extended that is fixedly connected; Thereafter end face is the last bottom right left inclined plane shape suitable with the front end face of core- pulling lock module 5, and 5 of slide block 1 and the core-pulling lock modules of loosing core are being slidingly matched along bevel direction.
5 of slide block 1 and the core-pulling lock modules of loosing core are to realize through such structure along being slidingly matched of bevel direction: the left and right edge of core-pulling lock module 5 front end faces has the draw-in groove that extends along the front end face direction; The draw-in groove left side opening of left hand edge, the draw-in groove right openings of right hand edge; The loose core side male structure of left and right edge for being complementary with draw-in groove of rear end face of slide block 1, side male structure and draw-in groove clamping and be slidingly matched along the bearing of trend of draw-in groove.
(4) oil cylinder 6
Adopt soket head cap screw 3 to carry out dismountable flexible connection between the outer wall of cylinder block of oil cylinder 6 and die ontology, and accurately locate through alignment pin 4.
(5) lubricated
Loose core slide block 1, core-pulling lock module 5, the fixed block 2 of loosing core is provided with oil-way in twos, is friction, lubrication, and core-pulling lock module 5 surfaces also are inlaid with carbon powder device, and interior dress carbon dust is lubricated.
Claims (10)
1. the injection mold locking device of structure of loosing core,
It is characterized in that:Comprise the fixed block of loosing core, core-pulling lock module, loose core slide block and oil cylinder,
The said fixed block of loosing core is the hollow closed-in construction of preceding, upper and lower three openings, is fixedly connected with die ontology;
Said core-pulling lock module be located in the cavity of the fixed block of loosing core and the front, rear, left and right direction spacing, the cylinder rod of bottom and oil cylinder links, core-pulling lock module and to loose core between fixed block be being slidingly matched of above-below direction; The front end face of core-pulling lock module is the inclined plane shape on a left side, last bottom right;
It is spacing that the said slide block of loosing core is located at the place ahead and the left and right direction of core-pulling lock module; Its front portion core_pulling pole that direction is forwards extended that is fixedly connected; Thereafter end face is the last bottom right left inclined plane shape suitable with the front end face of core-pulling lock module, and loose core slide block and core-pulling lock intermodule are being slidingly matched along bevel direction;
The outer wall of cylinder block and the die ontology of said oil cylinder are fixedly connected.
2. the loose core locking device of structure of injection mold according to claim 1,
It is characterized in that:The front end face of the said fixed block of loosing core and 6 °≤β of the angle of vertical plane≤18 °.
3. the loose core locking device of structure of injection mold according to claim 1,
It is characterized in that:The nearly after-frame of the left and right frame place of the said fixed block of loosing core has the draw-in groove that extends along vertical, the draw-in groove right openings on the said left frame, the draw-in groove left side opening on the right frame; The side male structure of the left and right two ends of the rear end face of core-pulling lock module for being complementary with draw-in groove, said side male structure and draw-in groove clamping and vertically be slidingly matched.
4. the loose core locking device of structure of injection mold according to claim 1,
It is characterized in that:The left and right two ends of the rear end face of said core-pulling lock module have the draw-in groove that extends along vertical, the draw-in groove left side opening of said left end, the draw-in groove right openings of right-hand member; The loose core nearly after-frame of the left and right frame place of fixed block is the side male structure that is complementary with draw-in groove, said side male structure and draw-in groove clamping and vertically be slidingly matched.
5. the loose core locking device of structure of injection mold according to claim 1,
It is characterized in that:The left and right edge of said core-pulling lock module front end face has the draw-in groove that extends along the front end face direction, the draw-in groove left side opening of said left hand edge, the draw-in groove right openings of right hand edge; The loose core side male structure of left and right edge for being complementary with draw-in groove of rear end face of slide block, said side male structure and draw-in groove clamping and be slidingly matched along the bearing of trend of draw-in groove.
6. the loose core locking device of structure of injection mold according to claim 1,
It is characterized in that:The left and right edge of the rear end face of the said slide block of loosing core has the draw-in groove that extends along the front end face direction, the draw-in groove left side opening of said left hand edge, the draw-in groove right openings of right hand edge; The side male structure of the left and right edge of core-pulling lock module front end face for being complementary with draw-in groove, said side male structure and draw-in groove clamping and be slidingly matched along the bearing of trend of draw-in groove.
7. the loose core locking device of structure of injection mold according to claim 1,
It is characterized in that:The said slide block of loosing core, core-pulling lock module, the fixed block of loosing core are provided with oil-way in twos, are friction, lubrication.
8. the loose core locking device of structure of injection mold according to claim 7,
It is characterized in that:Said core-pulling lock module surface is inlaid with carbon powder device, interior dress carbon dust.
9. the loose core locking device of structure of injection mold according to claim 1,
It is characterized in that:Saidly loose core between fixed block and mould, be fixedly connected through soket head cap screw between oil cylinder and mould.
10. the loose core locking device of structure of injection mold according to claim 9,
It is characterized in that:Saidly loose core between fixed block and mould, accurately locate through alignment pin between oil cylinder and mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201583358U CN202097905U (en) | 2011-05-18 | 2011-05-18 | Locking device of core pulling structure for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201583358U CN202097905U (en) | 2011-05-18 | 2011-05-18 | Locking device of core pulling structure for injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN202097905U true CN202097905U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201583358U Expired - Fee Related CN202097905U (en) | 2011-05-18 | 2011-05-18 | Locking device of core pulling structure for injection mold |
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| Country | Link |
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| CN (1) | CN202097905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029351A (en) * | 2014-06-30 | 2014-09-10 | 长城汽车股份有限公司 | Die of vehicle bumper |
| CN110789081A (en) * | 2019-11-25 | 2020-02-14 | 东莞市嘉宏机电科技有限公司 | O type circle injection mold mode locking device |
-
2011
- 2011-05-18 CN CN2011201583358U patent/CN202097905U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029351A (en) * | 2014-06-30 | 2014-09-10 | 长城汽车股份有限公司 | Die of vehicle bumper |
| CN104029351B (en) * | 2014-06-30 | 2016-08-24 | 长城汽车股份有限公司 | A kind of automotive bumper mold |
| CN110789081A (en) * | 2019-11-25 | 2020-02-14 | 东莞市嘉宏机电科技有限公司 | O type circle injection mold mode locking device |
| CN110789081B (en) * | 2019-11-25 | 2021-07-30 | 浙江华腾电子有限公司 | O type circle injection mold mode locking device |
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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: 20120104 Termination date: 20170518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |