CN204545372U - A kind of special-shaped cavity core-pulling die - Google Patents
A kind of special-shaped cavity core-pulling die Download PDFInfo
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- CN204545372U CN204545372U CN201520201184.8U CN201520201184U CN204545372U CN 204545372 U CN204545372 U CN 204545372U CN 201520201184 U CN201520201184 U CN 201520201184U CN 204545372 U CN204545372 U CN 204545372U
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Abstract
The utility model relates to a kind of special-shaped cavity core-pulling die, comprise the upper framed and low mold frame mutually fastened, and be embedded in the fixed mold core of framed bottom surface and be embedded in the mavable module core of low mold frame end face, and mavable module core and fixed mold core chimeric up and down time form mold cavity, described low mold frame is furnished with core-pulling mechanism, described core-pulling mechanism comprises hydraulic cylinder and coupled block of loosing core, described block of loosing core to be loosed core block by the first stripe shape, second stripe shape block of loosing core forms with main block of loosing core, the loose core back of block of described master has two dovetail grooves, the loose core top of block of this master is trapezoidal, described first stripe shape block and the second stripe shape block of loosing core of loosing core is arranged in respectively and mainly looses core in the dovetail groove of block, described first stripe shape block and the second stripe shape block of loosing core of loosing core all is slidably connected with main block of loosing core, during mould die sinking, first looses core block can in the cavity of product smoothly, this special-shaped cavity core-pulling die is reasonable in design, structure is simple, core-pulling mechanism flexible operation, be applicable to large-scale promotion.
Description
Technical field
The utility model relates to a kind of die casting, particularly relates to a kind of special-shaped cavity pumping mode tool.
Background technology
Compression casting, is called for short die casting, to refer to molten alloy at high pressure, high-speed condition retrofilling in mold cavity, and under high pressure makes the quick cooled and solidified of molten alloy, thus realize shaping a kind of casting method.The mould used in die cast process, is called die casting.In a secondary mould, make the moulding section of this die casting demoulding before die sinking action, depart from the mechanism of die casting, be called core-pulling mechanism.Hydraulic core pulling mechanism, using pressure oil as power of loosing core, mould arranges dedicated hydraulic cylinder, utilizes the reciprocating motion of piston to realize loosing core and reset.
In the product of required die casting, there is hollow cavity, in core-pulling mechanism, the shape of slide block is identical with cavity geometry, formed product after alloy cooled and solidified in mould, when die sinking, the disengaging of core-pulling mechanism has just become a problem, because the passage bore of cavity is little, slide block is difficult to detach, if die sinking by force, can shine into damage to product.
Utility model content
For the present situation of above-mentioned prior art, technical problem to be solved in the utility model is to provide that a kind of structure is simple, reasonable in design, core rod Forming Quality is high, the special-shaped cavity core-pulling die of flexible operation.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of special-shaped cavity core-pulling die, comprise the upper framed and low mold frame mutually fastened, and be embedded in the fixed mold core of framed bottom surface and be embedded in the mavable module core of low mold frame end face, and mavable module core and fixed mold core chimeric up and down time form mold cavity, described low mold frame is furnished with core-pulling mechanism, described core-pulling mechanism comprises hydraulic cylinder and coupled block of loosing core, described block of loosing core to be loosed core block by the first stripe shape, second stripe shape block of loosing core forms with main block of loosing core, the loose core back of block of described master has two dovetail grooves, the loose core top of block of this master is trapezoidal, described first stripe shape block and the second stripe shape block of loosing core of loosing core is arranged in respectively and mainly looses core in the dovetail groove of block, described first stripe shape block and the second stripe shape block of loosing core of loosing core all is slidably connected with main block of loosing core, during matched moulds state, first stripe shape block and the second stripe shape block of loosing core of loosing core passes main block part of loosing core and is positioned at this mold cavity.
Further, loose core block and the second bar shaped of described first bar shaped is loosed core inside block and is provided with chute, and described master block inside top of loosing core is provided with slide block, and this slide block is connected with slide.
Further, described mavable module core is provided with locking slot, and described first bar shaped the loose core side of block of block and the second bar shaped of loosing core is provided with the latch segment with locking slot tabling, and this latch segment plays locking effect after matched moulds.
Further, the locking slot of described mavable module core is provided with dismountable wear-resistant block, and wear-resistant block is positioned at loose core block and the second bar shaped of mavable module core and the first bar shaped and looses core the relative motion region of block, can pull down replacing after wear-resistant block wearing and tearing.
Further, both sides, described low mold frame bottom surface are fitted with mould pin respectively, are provided with upper plate and lower roof plate between this mould pin, and mould can be set level, and change face contact into point cantact.
Further, be provided with rubbish nail bottom described lower roof plate, when preventing there is rubbish bottom top board, mould die sinking is not smooth.
Further, bottom described mavable module core, surrounding is provided with cooling water channel, better makes product cooling forming.
Compared with prior art, the utility model has the advantage of: the utility model compact conformation, utilize solenoid control pneumatic cylinder successively flexible first bar shaped to loose core block, second bar shaped is loosed core block and main block of loosing core, first bar shaped block and the second bar shaped block of loosing core of loosing core is arranged in and mainly looses core in the dovetail groove of block, and the first bar shaped is loosed core, block and the second bar shaped block of loosing core is slidably connected with the step sector at main block top of loosing core respectively, make to loose core assembly when moving, loose core block and the second bar shaped of first bar shaped looses core block with the step sector of main block of loosing core for sliding trace, make two the first bar shapeds block and the second bar shaped Kuai Xiang center of loosing core of loosing core close, during mould die sinking, first bar shaped block and the second bar shaped block of loosing core of loosing core can depart from smoothly in the cavity of product, this special-shaped cavity core-pulling die is reasonable in design, structure is simple, core-pulling mechanism flexible operation, be applicable to large-scale promotion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is core-pulling mechanism profile of the present utility model;
Fig. 3 is block structure schematic diagram of loosing core of the present utility model.
Detailed description of the invention
As Figure 1-3, a kind of special-shaped cavity core-pulling die, comprise upper framed 1 and low mold frame 2 that mutually fasten, and be embedded in the fixed mold core 5 of framed 1 bottom surface and be embedded in the mavable module core 4 of low mold frame 2 end face, and mavable module core 4 chimeric with fixed mold core about 5 time form mold cavity, bottom described mavable module core 4, surrounding is provided with cooling water channel 12, described low mold frame 2 bottom surface two side position is fitted with mould pin 3 respectively, upper plate 8 and lower roof plate 7 is provided with between this mould pin 3, the bottom of this lower roof plate 7 is provided with rubbish nail 6, the left side of described low mold frame 2 is provided with core-pulling slide block 11, core-pulling slide block 11 afterbody is connected with the Angle Pin 9 and guide pin bushing 10 that match, core-pulling mechanism is provided with on the right side of this low mold frame 2, this core-pulling mechanism comprises hydraulic cylinder 13 and looses core block, described block of loosing core to be loosed core block 14 by the first bar shaped, loose core block 15 of second bar shaped forms with main block 16 of loosing core, this hydraulic cylinder 13 is the Combined cylinder of solenoid control, this hydraulic cylinder 13 is provided with the first cylinder rod 132 and the second cylinder rod 131, first cylinder rod 132 and the first bar shaped block 14 and the second bar shaped block 15 of loosing core of loosing core is connected, second cylinder rod 13 is connected with main block 16 of loosing core, the loose core back of block 16 of described master has two dovetail grooves, the loose core top of block 16 of this master is trapezoidal, first bar shaped block 14 and the second bar shaped block 15 of loosing core of loosing core is arranged in respectively and mainly looses core in the dovetail groove of block 16, loose core block 14 and the second bar shaped of this first bar shaped is loosed core inside block 15 and is provided with chute, this first bar shaped loose core block 14 and the second bar shaped loose core that the outside at block 15 top is outwardly can the cavity of filling product, the inner side at main block 16 top of loosing core is provided with slide block 17, this slide block 17 is connected with the dovetail groove slide of main block 16 of loosing core.
After matched moulds, first bar shaped block 15 and the second bar shaped block 15 of loosing core of loosing core passes main block 16 part of loosing core and is positioned at this mold cavity in its top when stretching out, loose core block 14 and the second bar shaped of first bar shaped is loosed core the cavity of block 15 top filling product, mavable module core 4 is provided with locking slot, first bar shaped the loose core side of block 15 of block 15 and the second bar shaped of loosing core is provided with the latch segment 18 with locking slot tabling, this latch segment 18 plays locking effect after matched moulds, this locking slot is provided with dismountable wear-resistant block 18, wear-resistant block 18 is positioned at loose core block and the second bar shaped of mavable module core 4 and the first bar shaped and looses core the relative motion region of block 14, wear-resistant block 18 can pull down replacing after wearing and tearing, increase the service life of mold integral.
During die sinking, solenoid control hydraulic cylinder 13, first the second cylinder rod 131 drives main block 16 break away from moulds die cavity of loosing core, because loose core block 14 and the second bar shaped of the first bar shaped to be loosed core in dovetail groove that block 15 is arranged in main block 16 of loosing core and to be slidably connected with it, therefore two the first bar shapeds are loosed core, block 14 and the second bar shaped loose core the motion of block 15 along with main block 16 of loosing core to the center displacement, the first bar shaped loose core latch segment 18 of block 15 side of block 14 and the second bar shaped of loosing core is made to be releasing orientation with the locking slot of mavable module core 4, thereupon the first bar shaped loose core block 14 and the second bar shaped loose core block 15 top bump between distance diminish, secondly solenoid control hydraulic cylinder 13, first cylinder rod 132 drives main block 16 break away from moulds die cavity of loosing core, loose core block 14 and the second bar shaped of first bar shaped looses core block 15 with the step sector of main block 16 of loosing core for sliding trace, first bar shaped block 14 and the second bar shaped block 15 of loosing core of loosing core can be departed from smoothly in the cavity of product, namely complete and loose core.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, it will be understood by those of skill in the art that it still can be modified to the technical scheme described in previous embodiment, or wherein portion of techniques feature has been replaced on an equal basis; And these amendments or replacement, do not make the essence of appropriate technical solution depart from spirit and the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a special-shaped cavity core-pulling die, comprise upper framed (1) and low mold frame (2) that mutually fasten, and be embedded in the fixed mold core (5) of framed (1) bottom surface and be embedded in the mavable module core (4) of low mold frame (2) end face, and mavable module core (4) and fixed mold core (5) chimeric up and down time form mold cavity, described low mold frame (2) is furnished with core-pulling mechanism, described core-pulling mechanism comprises hydraulic cylinder (13) and coupled block of loosing core, it is characterized in that, described block of loosing core to be loosed core block (14) by the first stripe shape, second stripe shape block (15) of loosing core forms with main block (16) of loosing core, the loose core back of block (16) of described master has two dovetail grooves, the loose core top of block (16) of this master is trapezoidal, described first stripe shape block (14) and the second stripe shape block (15) of loosing core of loosing core is arranged in respectively and mainly looses core in the dovetail groove of block (16), described first stripe shape block (14) and the second stripe shape block (15) of loosing core of loosing core all is slidably connected with main block (16) of loosing core, during matched moulds state, first stripe shape block (14) and the second stripe shape block (15) of loosing core of loosing core passes main block (16) part of loosing core and is positioned at this mold cavity.
2. the special-shaped cavity core-pulling die of one according to claim 1, it is characterized in that, described first bar shaped block (14) and the second bar shaped block (15) inner side of loosing core of loosing core is provided with chute, described master block (16) inside top of loosing core is provided with slide block (17), and this slide block (17) is connected with slide.
3. the special-shaped cavity core-pulling die of one according to claim 1, it is characterized in that, described mavable module core (4) is provided with locking slot, and described first bar shaped the loose core side of block (15) of block (14) and the second bar shaped of loosing core is provided with and the latch segment of locking slot tabling (19).
4. the special-shaped cavity core-pulling die of one according to claim 3, is characterized in that, the locking slot of described mavable module core (4) is provided with dismountable wear-resistant block (18).
5. the special-shaped cavity core-pulling die of one according to claim 1, it is characterized in that, described low mold frame (2) both sides, bottom surface are fitted with mould pin (3) respectively, are provided with upper plate (8) and lower roof plate (7) between this mould pin (3).
6. the special-shaped cavity core-pulling die of one according to claim 5, is characterized in that, described lower roof plate (7) bottom is provided with rubbish nail (6).
7. the special-shaped cavity core-pulling die of one according to claim 1, is characterized in that, described mavable module core (4) bottom surrounding is provided with cooling water channel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201184.8U CN204545372U (en) | 2015-04-02 | 2015-04-02 | A kind of special-shaped cavity core-pulling die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201184.8U CN204545372U (en) | 2015-04-02 | 2015-04-02 | A kind of special-shaped cavity core-pulling die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141138A (en) * | 2015-04-02 | 2016-11-23 | 宁波华朔模具机械有限公司 | A kind of abnormity cavity core-pulling die |
| CN107178535A (en) * | 2017-06-26 | 2017-09-19 | 宁波卓益控制技术有限公司 | Oil cylinder controller |
| CN111558695A (en) * | 2020-06-29 | 2020-08-21 | 西安西电开关电气有限公司 | Core body assembly and casting mold |
-
2015
- 2015-04-02 CN CN201520201184.8U patent/CN204545372U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141138A (en) * | 2015-04-02 | 2016-11-23 | 宁波华朔模具机械有限公司 | A kind of abnormity cavity core-pulling die |
| CN106141138B (en) * | 2015-04-02 | 2018-07-13 | 浙江华朔科技股份有限公司 | A kind of abnormity cavity core-pulling die |
| CN107178535A (en) * | 2017-06-26 | 2017-09-19 | 宁波卓益控制技术有限公司 | Oil cylinder controller |
| CN111558695A (en) * | 2020-06-29 | 2020-08-21 | 西安西电开关电气有限公司 | Core body assembly and casting mold |
| CN111558695B (en) * | 2020-06-29 | 2021-12-03 | 西安西电开关电气有限公司 | Core body assembly and casting mold |
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| C14 | Grant of patent or utility model | ||
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Address after: 315806 Ningbo, Beilun province Mao Yang Mountain Road, No. 518 Patentee after: Zhejiang China Polytron Technologies Inc Address before: 315000 Ningbo, Beilun province Mao Yang Mountain Road, No. 518 Patentee before: Ningbo Huashuo Molding & Machine Co., Ltd. |