CN103056332B - Circular hole core-pulling device for aluminum alloy pressure casting die - Google Patents
Circular hole core-pulling device for aluminum alloy pressure casting die Download PDFInfo
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- CN103056332B CN103056332B CN201310040892.3A CN201310040892A CN103056332B CN 103056332 B CN103056332 B CN 103056332B CN 201310040892 A CN201310040892 A CN 201310040892A CN 103056332 B CN103056332 B CN 103056332B
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Abstract
The invention provides a circular hole core-pulling device for an aluminum alloy pressure casting die. The circular hole core-pulling device comprises a movable die and a fixed die, wherein the movable die and the fixed die are opposite to each other; a fixed die embedding block is arranged on the inner side of the fixed die; the top of the fixed die is fixed to one end of a sliding block; a bolt is arranged at the other end of the sliding block; a movable die embedding block is arranged on the inner side of the movable die; a gear shaft block is arranged in the movable die; main wheel teeth are arranged at one end of the gear shaft block, which is hinged with the movable die; a sliding slot is formed in the other end of the gear shaft block and corresponds to the bolt; the main wheel teeth are engaged with a tooth ring type core; and the tooth ring type core moves along a supporting block. Die opening and assembling force of the pressure casting die is used as power, and a core-pulling power device such as an oil cylinder does not need to be independently arranged, and mechanical parts such as a connecting rod, a rack and a plurality of pairs of gear groups are not required; the structure of the pressure casting die is simplified, convenience in machining is realized, and the pressure casting operation is simplified; the production efficiency is high; core-pulling operation is steady and reliable; the size and the shape of a circular hole can meet a technical requirement; and a large-batch production requirement can be met.
Description
Technical field
The invention belongs to die-casting mold technical field, be specifically related to a kind of arc-shaped hole core-pulling device of aluminium alloy casting die.
Background technology
Compression mod is the mould of producing the die castings such as aluminium alloy, and it plays a crucial role in Die Casting, and the design of compression mod and workmanship not only determine the quality of quality of die casting, and are related to manufacturing cost, service life and the production efficiency of die casting.In die casting, hole is generally straight hole, and the core-pulling mechanism design of its die casting nib is comparatively simple with manufacture.For the die casting that has arc-shaped hole, the design of the core-pulling mechanism of its compression mod arc-shaped hole is very crucial, and the size and dimension that improper meeting causes arc-shaped hole as designed is difficult to ensure technical requirement.At present, less for the loose core research of technique of arc-shaped hole, can be for also shortcoming very of the ripe method for designing of using for reference.
To arc-shaped hole loose core the research of technique more be injection mold, be to carry out circular arc slide block movement by actuators such as oil cylinder effect band carry-over bar, gear or pull bars mostly, realize arc core-pulling (seeing Chinese patent CN102139526A, CN202208091U and CN201998362U).Relevant aluminium alloy casting is still very limited with the research of the arc core-pulling device of compression mod, and the arc core-pulling method that can retrieve has: (1) oil cylinder-gear-tooth bar mechanism.Adopt gear train (three gears) to add a tooth bar, under the effect of oil cylinder, the moving circular arc slide block of rack tooth wheels driving-belt rotates, circular motion is changed into rectilinear motion, thereby realize arc core-pulling (seeing Chinese patent CN101637816A), this core-pulling mechanism is comparatively complicated, production efficiency is low, and a certain parts break down and can cause the process of loosing core normally not carry out; (2) connecting rod class mechanism.This core-pulling mechanism is also comparatively complicated, is prone to the problems such as difficulty of loosing core.Therefore, be necessary succinct, efficient, the reliable compression mod arc-shaped hole core-pulling device of research and development.
Summary of the invention
In sum, in order to overcome the deficiency of prior art problem, the invention provides a kind of arc-shaped hole core-pulling device of aluminium alloy casting die, it is to utilize compression mod to open mold clamping force for power, do not need to arrange separately the power set of loosing core such as oil cylinder, do not adopt the mechanical parts such as connecting rod, tooth bar, multipair gear train yet, not only die casting mold structure is simplified, processing is convenient, die casting operational sequence is simplified, and production efficiency is high, and the stable action of loosing core, reliable, the size and dimension of arc-shaped hole can ensure technical requirement, can meet requirements of mass production.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of arc-shaped hole core-pulling device of aluminium alloy casting die, comprise dynamic model and cover half, dynamic model and cover half are oppositely arranged, wherein: the inner side of described cover half is provided with fixed die insert, one end of cover half top and slide block is fixed, the other end of slide block is provided with bolt, described dynamic model inner side is provided with moving die insert, in dynamic model, be provided with tooth axle piece, tooth axle piece be provided with main wheel tooth with the hinged one end of dynamic model, the other end of tooth axle piece is provided with chute, chute is corresponding with bolt, main wheel tooth and ring gear core are intermeshing, ring gear core is arranged on back-up block, and ring gear core moves along back-up block, back-up block is fixed on moving die insert middle part, described fixed die insert middle part is provided with the groove corresponding with ring gear core.
Technical scheme of the present invention can also be achieved in that described ring gear core is arc-shaped structure, its one end arranges from the gear teeth, main wheel tooth from the gear teeth and tooth axle piece is intermeshing, the other end is arcuate socket core, the external diameter of arcuate socket core is identical with the internal diameter of the arcuate socket of required die casting, and the radian of arcuate socket core and arc length are identical with radian and the arc length of the arcuate socket of required die casting respectively.
Technical scheme of the present invention can also be achieved in that described back-up block is circular arc back-up block.
Technical scheme of the present invention can also be achieved in that described dynamic model middle part is fixed with connecting plate, and connecting plate and tooth axle piece are hinged.
Beneficial effect of the present invention is:
1, the present invention utilizes compression mod to open mold clamping force for power, do not need to arrange separately the power set of loosing core such as oil cylinder, do not adopt the mechanical parts such as connecting rod, tooth bar, multipair gear train yet, not only die casting mold structure is simplified, and processing is convenient, and die casting operational sequence is simplified, production efficiency is high, and the stable action of loosing core, reliable, the size and dimension of arc-shaped hole can ensure technical requirement, can meet requirements of mass production.
2, the power of loosing core of the present invention is mould opening force, coordinate by slide block, tooth axle piece and ring gear core the action of loosing core, the whole process of loosing core is synchronizeed with die sinking, does not adopt the high core-pulling mechanisms of fault rate such as common connecting rod class, tooth bar, multipair gear train, and operation is convenient.
3, the present invention simple in structure, easy for operation, be skillfully constructed, can effectively solve prior art medium casting arc-shaped hole be shaped and the difficult problem of loosing core, can ensure the size and dimension requirement of arc-shaped hole.
brief description of the drawings:
Fig. 1 is the structural representation of the arc-shaped hole of aluminum alloy die casting of the present invention;
Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), Fig. 2 (d) are arc core-pulling device mold actions process schematic diagram of the present invention.
detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, the arc-shaped hole arc radius of aluminium alloy castings is R, and the diameter in hole is D.
As shown in Figure 2 (a) shows, a kind of arc-shaped hole core-pulling device of aluminium alloy casting die, comprise dynamic model 8 and cover half 5, dynamic model 8 is oppositely arranged with cover half 5, and the inner side of described cover half 5 is provided with fixed die insert 6, and one end of cover half 5 tops and slide block 4 is fixed, the other end of slide block 4 is provided with bolt 3, described dynamic model 8 inner sides are provided with moving die insert 9, and dynamic model 8 middle parts are fixed with connecting plate 13, and connecting plate 13 is hinged with tooth axle piece 1.Tooth axle piece 1 be provided with main wheel tooth 14 with the hinged one end of connecting plate 13, the other end of tooth axle piece 1 is provided with chute 2, chute 2 is corresponding with bolt 3, main wheel tooth 14 is intermeshing with ring gear core 10, ring gear core 10 is arranged on back-up block 11, and back-up block 11 is circular arc back-up block 11, and ring gear core 10 moves along back-up block 11, back-up block 11 is fixed on moving die insert 9 middle parts, and described fixed die insert 6 middle parts are provided with the groove corresponding with ring gear core 10 7.Described ring gear core 10 is arc-shaped structure, its one end arranges from the gear teeth 15, intermeshing with the main wheel tooth 14 tooth axle piece 1 from the gear teeth 15, the other end is arcuate socket core 12, the external diameter of arcuate socket core 12 is identical with the internal diameter of the arcuate socket of required die casting, and the radian of arcuate socket core 12 and arc length are identical with radian and the arc length of the arcuate socket of required die casting respectively.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), shown in Fig. 2 (d), a kind of arc-shaped hole core-pulling device of aluminium alloy casting die, comprise dynamic model 8 and cover half 5, dynamic model 8 is oppositely arranged with cover half 5, the inner side of described cover half 5 is provided with fixed die insert 6, one end of cover half 5 tops and slide block 4 is fixed, the other end of slide block 4 is provided with bolt 3, described dynamic model 8 inner sides are provided with moving die insert 9, dynamic model 8 middle parts are fixed with connecting plate 13, tooth axle piece 1 be provided with main wheel tooth 14 with the hinged one end of connecting plate 13, the other end of tooth axle piece 1 is provided with chute 2, chute 2 is corresponding with bolt 3, main wheel tooth 14 is intermeshing with ring gear core 10, ring gear core 10 is arranged on back-up block 11, back-up block 11 is circular arc back-up block 11, ring gear core 10 moves along back-up block 11, back-up block 11 is fixed on moving die insert 9 middle parts, described fixed die insert 6 middle parts are provided with the groove corresponding with ring gear core 10 7.Described ring gear core 10 is arc-shaped structure, its one end arranges from the gear teeth 15, intermeshing with the main wheel tooth 14 tooth axle piece 1 from the gear teeth 15, the other end is arcuate socket core 12, the external diameter of arcuate socket core 12 is identical with the internal diameter of the arcuate socket of required die casting, and the radian of arcuate socket core 12 and arc length are identical with radian and the arc length of the arcuate socket of required die casting respectively.
As shown in Fig. 2 (a), Fig. 2 (b), Fig. 2 (c), Fig. 2 (d), use procedure of the present invention is as follows:
The first step, matched moulds: before matched moulds, check whether the fastening situation etc. of the position of tooth axle piece 1 upper end and lower end gear thereof and the situation that engages, slide block 4 and the bolt 3 of ring gear core 10 is normal, as shown in Figure 2 (a) shows; Dynamic model 8 is to cover half 5 one side shiftings under mold clamping force effect, and while arriving the middle position of Fig. 2 (b), bolt 3 cooperatively interacts with the chute 2 of tooth axle piece 1 upper end, slide block 4 and the curve transition position of bolt 3 in chute 2; Dynamic model 8 continues to move to cover half 5, slide block 4 and bolt 3 head on tooth axle piece 1, tooth axle piece 1 is done and contrary the rotatablely moving of dynamic model 8 moving directions, intermeshing from the gear teeth 15 on main wheel tooth on tooth axle piece 1 14 and ring gear core 10, tooth axle piece 1 rotates, thereby promoting ring gear core 10 slides along back-up block 11, the arcuate socket core 12 of ring gear core 10 is pushed in the groove 7 of fixed die insert 6 middle parts settings, in the time that dynamic model 8 moves to Fig. 2 (c) position, slide block 4 and blind end one side of bolt 3 in chute, tooth axle piece 1 is in vertical position; Dynamic model 8 continues mobile, and bolt 3 is got back to chute 2 curve transition positions, and tooth axle piece 1 upper end rotates to left side maximum position, and the normal position of ring gear core in die cavity circular hole completes the matched moulds of dynamic model 8 and cover half 5, as shown in Figure 2 (d) shows; Then, aluminium liquid is quick press-in die die cavity under die casting machine effect, forms foundry goods.
Second step, die sinking: before die sinking, mould as shown in Figure 2 (d) shows, dynamic model 8 under the effect of mould opening force away from cover half 5, dynamic model 8 drives tooth axle piece 1 away from cover half 5, tooth axle piece 1 is around the pin joint rotation of itself and contiguous block, the groove 7 that the gear teeth on tooth axle piece 1 drive ring gear core 10 to arrange from fixed die insert 6 middle parts screws out, and completes by Fig. 2 (d) → Fig. 2 (c) → Fig. 2 (b) → Fig. 2 (a) step the process of loosing core; After completing and loosing core, mould as shown in Figure 2 (a) shows.
The 3rd step, eject and take out foundry goods: after dynamic model 8 continues, move, tooth axle piece 1 upper end separates with slide block 4, while getting back to Fig. 2 (a) position, ejects foundry goods and take out foundry goods under the effect of ejecting mechanism; The arc-shaped hole structure of the die casting that Die Casting obtains as shown in Figure 1.Then enter the first step, continue the cyclic process of next castings production.
Be noted that, the above embodiment is explanation to technical solution of the present invention and unrestricted, other amendment that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solution of the present invention, within all should being included in interest field of the presently claimed invention.
Claims (4)
1. the arc-shaped hole core-pulling device of an aluminium alloy casting die, comprise dynamic model (8) and cover half (5), dynamic model (8) is oppositely arranged with cover half (5), it is characterized in that: the inner side of described cover half (5) is provided with fixed die insert (6), one end of cover half (5) top and slide block (4) is fixed, the other end of slide block (4) is provided with bolt (3), described dynamic model (8) inner side is provided with moving die insert (9), in dynamic model (8), be provided with tooth axle piece (1), tooth axle piece (1) be provided with main wheel tooth (14) with the hinged one end of dynamic model (8), the other end of tooth axle piece (1) is provided with chute (2), chute (2) is corresponding with bolt (3), main wheel tooth (14) is intermeshing with ring gear core (10), ring gear core (10) is arranged on back-up block (11), and ring gear core (10) is mobile along back-up block (11), back-up block (11) is fixed on moving die insert (9) middle part, described fixed die insert (6) middle part is provided with the groove (7) corresponding with ring gear core (10).
2. the arc-shaped hole core-pulling device of a kind of aluminium alloy casting die according to claim 1, it is characterized in that: described ring gear core (10) is arc-shaped structure, its one end arranges from the gear teeth (15), intermeshing with the main wheel tooth (14) tooth axle piece (1) from the gear teeth (15), the other end is arcuate socket core (12), the external diameter of arcuate socket core (12) is identical with the internal diameter of the arcuate socket of required die casting, and the radian of arcuate socket core (12) and arc length are identical with radian and the arc length of the arcuate socket of required die casting respectively.
3. the arc-shaped hole core-pulling device of a kind of aluminium alloy casting die according to claim 1, is characterized in that: described back-up block (11) is circular arc back-up block.
4. the arc-shaped hole core-pulling device of a kind of aluminium alloy casting die according to claim 1, is characterized in that: described dynamic model (8) middle part is fixed with connecting plate (13), and connecting plate (13) is hinged with tooth axle piece (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310040892.3A CN103056332B (en) | 2013-02-01 | 2013-02-01 | Circular hole core-pulling device for aluminum alloy pressure casting die |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310040892.3A CN103056332B (en) | 2013-02-01 | 2013-02-01 | Circular hole core-pulling device for aluminum alloy pressure casting die |
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| Publication Number | Publication Date |
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| CN103056332A CN103056332A (en) | 2013-04-24 |
| CN103056332B true CN103056332B (en) | 2014-10-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696207A (en) * | 2015-07-17 | 2017-05-24 | 桂林电子科技大学 | Mold structure adopting gear and rack to drive arc-shaped sliding block mold core to complete core pulling |
| CN105499534A (en) * | 2015-12-10 | 2016-04-20 | 重庆慧团商贸有限公司 | Movable mould core capable of realizing drawing out arc-shaped hole |
| CN105478711B (en) * | 2015-12-10 | 2017-08-25 | 重庆慧团商贸有限公司 | Lever-type movement core travel mechanism |
| CN106111944B (en) * | 2016-08-30 | 2018-03-20 | 江苏苏美达车轮有限公司 | A kind of automatic internal core withdrawing device of the low-pressure casting mould |
| CN108394017B (en) * | 2018-05-03 | 2024-02-06 | 江苏华光双顺机械制造有限公司 | Internal mold opening and closing locking mechanism |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53133529A (en) * | 1977-04-27 | 1978-11-21 | Shiyuuwa Kougiyou Yuugen | Die casting metal mold |
| CN2538514Y (en) * | 2002-05-14 | 2003-03-05 | 彭锐 | Injection mould for water-meter case |
| KR100906819B1 (en) * | 2008-04-07 | 2009-07-09 | 삼원금형정공주식회사 | Apparatus for supporting undercut using time difference cam |
| CN101637816A (en) * | 2009-08-15 | 2010-02-03 | 宁波东浩铸业有限公司 | Arc core-pulling device of die-casting mould |
| CN201530079U (en) * | 2009-11-09 | 2010-07-21 | 汉达精密电子(昆山)有限公司 | Arc shape quit unit |
| CN101879773B (en) * | 2010-07-08 | 2013-08-21 | 深圳市银宝山新科技股份有限公司 | Arc shaped slider core puller and mold using same |
| CN201881532U (en) * | 2010-12-28 | 2011-06-29 | 佛山市南海东方塑料制品有限公司 | Simple rotating inner pulling mechanism for decorative panel injection molding mold |
| CN202029343U (en) * | 2011-03-17 | 2011-11-09 | 厦门市方圆通模具有限公司 | Circular arc-shaped core puller for mold |
| CN102139526B (en) * | 2011-03-17 | 2013-09-25 | 厦门市方圆通模具有限公司 | Arc core-pulling device for die |
| CN102310527B (en) * | 2011-09-07 | 2013-09-04 | 宁波双林模具有限公司 | Explorator core loosing apparatus for arc sliding core |
| CN202556637U (en) * | 2012-05-09 | 2012-11-28 | 常州工学院 | Arc core-pulling device |
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