CN204209094U - A kind of aluminium alloy guide pin bushing die casting - Google Patents
A kind of aluminium alloy guide pin bushing die casting Download PDFInfo
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- CN204209094U CN204209094U CN201420676576.5U CN201420676576U CN204209094U CN 204209094 U CN204209094 U CN 204209094U CN 201420676576 U CN201420676576 U CN 201420676576U CN 204209094 U CN204209094 U CN 204209094U
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- 238000004512 die casting Methods 0.000 title claims abstract description 22
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
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Abstract
本实用新型公开了一种铝合金导套压铸模具，包括动模和定模，所述动模包括动模底板、动模套板、动模镶块以及凸模，所述定模包括定模底板、定模套板和定模镶块；所述凸模一端具有限位台阶，在动模镶块上设有一阶梯型凸模定位孔，所述定模镶块与凸模对应的位置具有一凹模，在动模镶块靠近定模镶块的一侧设有第一浇注槽，定模镶块靠近动模镶块的一侧设有第二浇注槽；在动模镶块上设有一分流锥，所述分流锥呈柱状，其一端嵌入动模镶块内并与动模镶块固定，另一端伸入第一浇注槽内，且伸入第一浇注槽的一端呈锥形。本实用新型结构简单，维修方便、快捷，能够保证型腔完全充满，并能确保零件的顺利脱模。
The utility model discloses an aluminum alloy guide sleeve die-casting mold, which comprises a movable mold and a fixed mold. Bottom plate, fixed mold cover plate and fixed mold insert; one end of the punch has a limit step, and a stepped punch positioning hole is provided on the movable mold insert, and the corresponding position of the fixed mold insert and the punch has A concave mold, a first pouring groove is provided on the side of the movable mold insert close to the fixed mold insert, a second pouring groove is provided on the side of the fixed mold insert close to the movable mold insert; There is a splitter cone, the splitter cone is columnar, one end of which is embedded in the movable mold insert and fixed with the movable mold insert, the other end extends into the first pouring groove, and the end extending into the first pouring groove is tapered. The utility model has the advantages of simple structure, convenient and fast maintenance, which can ensure that the mold cavity is completely filled and can ensure the smooth demoulding of parts.
Description
技术领域 technical field
本实用新型涉及一种压铸模具，尤其涉及一种铝合金导套压铸模具。 The utility model relates to a die-casting die, in particular to an aluminum alloy guide sleeve die-casting die.
背景技术 Background technique
铝合金具有密度小、强度高、硬度高、尺寸稳定性好及焊接性能良好等特点，在很多领域取代了昂贵的钛合金，被广泛应用于航空航天、兵器及民用工业等领域。随着兵器装备及汽车工业的发展，铝合金的应用越来越广泛。铝合金导套，如图1所示，通常采用机械加工方法制造，其存在加工材料浪费大、生产周期长等导致生产成本高、生产效率低的缺点，无法满足大批量生产的要求，从而制约着铝合金导套的应用。 Aluminum alloy has the characteristics of low density, high strength, high hardness, good dimensional stability and good welding performance. It has replaced expensive titanium alloys in many fields and is widely used in aerospace, weapons and civil industries. With the development of weaponry and automobile industry, the application of aluminum alloy is more and more extensive. Aluminum alloy guide bushes, as shown in Figure 1, are usually manufactured by mechanical processing, which has the disadvantages of high production cost and low production efficiency, such as large waste of processing materials and long production cycle, and cannot meet the requirements of mass production, thus restricting The application of the aluminum alloy guide bush.
也有采用压铸进行加工的，但现有的压铸过程中大都存在着压铸型腔不易充满，零件难以脱模，脱模中零件易损伤、型芯容易磨损等问题；使传统的压铸效率较低，生产成品率也较低。并且，现有的动模一般包括动模套板和凸模，定模一般包括定模套板和凹模，凸模和凹模分别与动模和定模成型为一体，这样就会造成生产过程中，一旦凸模或凹模损坏，就需要更换整个动模或定模，从而造成维修不便，且造成模具材料的浪费。因此开展铝合金导套压铸成形工艺的研究，在保证产品的综合性能满足使用要求的前提下，实现成形工艺的开发具有十分重要的意义。 Die-casting is also used for processing, but most of the existing die-casting processes have problems such as the die-casting cavity is not easy to fill, the parts are difficult to demould, the parts are easily damaged during demoulding, and the core is easy to wear; the traditional die-casting efficiency is low, Production yields are also lower. Moreover, the existing movable mold generally includes a movable mold cover plate and a punch, and the fixed mold generally includes a fixed mold cover plate and a die. During the process, once the punch or die is damaged, the entire movable or fixed mold needs to be replaced, which causes inconvenience in maintenance and wastes mold materials. Therefore, it is of great significance to carry out the research on the die-casting forming process of aluminum alloy guide bush, and realize the development of forming process on the premise of ensuring that the comprehensive performance of the product meets the requirements of use.
实用新型内容 Utility model content
针对现有技术存在的上述不足，本实用新型的目的在于怎样解决现有导套模具加工致密性差和强度低，模具维修作量大、成本高，生产效率和成品率低的问题，提供一种铝合金导套压铸模具，使其维修方便、快捷，能够保证型腔完全充满，并能确保零件的顺利脱模。 In view of the above-mentioned deficiencies in the prior art, the purpose of this utility model is how to solve the problems of poor processing density and low strength of the existing guide sleeve mold, large amount of mold maintenance, high cost, low production efficiency and yield, and provide a The aluminum alloy guide sleeve die-casting mold makes it easy and quick to maintain, can ensure that the cavity is completely filled, and can ensure the smooth demoulding of parts.
为了解决上述技术问题，本实用新型采用这样的技术方案：一种铝合金导套压铸模具，包括动模和定模，所述动模包括动模底板、动模套板、动模镶块以及凸模，所述定模包括定模底板、定模套板和定模镶块；其特征在于：所述凸模一端具有限位台阶，在动模镶块上设有一阶梯型凸模定位孔，该凸模远离限位台阶的一端从该凸模定位孔穿过后由动模镶块与动模套板的配合固定；所述定模镶块与凸模对应的位置具有一凹模，当动模与定模合模时，凸模远离限位台阶的一端插入该凹模内，且凸模与圆形凹槽之间形成型腔； In order to solve the above technical problems, the utility model adopts such a technical solution: an aluminum alloy guide sleeve die-casting mold, including a movable mold and a fixed mold, and the movable mold includes a movable mold bottom plate, a movable mold cover plate, a movable mold insert and The punch, the fixed mold includes a fixed mold bottom plate, a fixed mold cover plate and a fixed mold insert; it is characterized in that: one end of the punch has a limit step, and a stepped punch positioning hole is arranged on the movable mold insert , the end of the punch away from the limit step passes through the punch positioning hole and is fixed by the cooperation of the movable mold insert and the movable mold cover plate; the position corresponding to the fixed mold insert and the punch has a die, when When the movable mold and the fixed mold are closed, the end of the punch away from the limit step is inserted into the die, and a cavity is formed between the punch and the circular groove;
在动模镶块靠近定模镶块的一侧设有第一浇注槽，定模镶块靠近动模镶块的一侧设有第二浇注槽，所述第一浇注槽与第二浇注槽部分重叠；所述第二浇注槽靠近型腔的一端的深度逐渐减小，并与凹模相连通；当动模与定模合模后，第一浇注槽与第二浇注槽形成相连通的内浇道； A first pouring groove is provided on the side of the movable mold insert close to the fixed mold insert, and a second pouring groove is provided on the side of the fixed mold insert close to the movable mold insert. The first pouring groove and the second pouring groove partially overlapped; the depth of the second pouring trough near the end of the cavity gradually decreases and communicates with the die; when the movable mold and the fixed mold are closed, the first pouring trough and the second pouring trough form a connected Inner runner;
在动模镶块上设有一分流锥，所述分流锥呈柱状，其一端嵌入动模镶块内并与动模镶块固定，另一端伸入第一浇注槽内，且伸入第一浇注槽的一端呈锥形。 There is a splitter cone on the movable mold insert, the splitter cone is columnar, one end of which is embedded in the movable mold insert and fixed with the movable mold insert, and the other end extends into the first pouring groove and extends into the first casting One end of the slot is tapered.
进一步地，在定模镶块上设有一排气孔，所述排气孔的一端与凹模相连通，另一端贯穿定模镶块；在凸模上对应该排气孔设有密封柱，当动模与定模合模时，所述密封柱能够插入排气孔内，并将排气孔封闭。 Further, a vent hole is provided on the fixed die insert, one end of the vent hole communicates with the die, and the other end runs through the fixed die insert; a sealing column is provided on the punch corresponding to the vent hole, When the movable mold and the fixed mold are closed, the sealing column can be inserted into the vent hole and seal the vent hole.
进一步地，在动模底板和动模套板之间设有两垫块，两垫块分别靠近动模底板和动模套板的两侧；在两垫块之间设有一推杆固定板，在推杆固定板上设有顶杆和复位杆，所述顶杆的一端与推杆固定板连接，另一端穿过动模套板和动模镶块；所述复位杆的两端分别与动模套板和推杆固定板相连。 Further, two pads are arranged between the bottom plate of the movable mold and the cover plate of the movable mold, and the two pads are respectively close to the two sides of the bottom plate of the movable mold and the cover plate of the movable mold; a push rod fixing plate is arranged between the two pads, A push rod and a reset rod are arranged on the push rod fixed plate, one end of the push rod is connected with the push rod fixed plate, and the other end passes through the movable mold cover plate and the movable mold insert; the two ends of the reset rod are respectively connected with The movable mold cover plate is connected with the push rod fixed plate.
进一步地，在动模底板上还设有限位螺钉，当动模与定模合模时，通过该限位螺钉能够调节推杆固定板的位置。 Further, a limit screw is also provided on the bottom plate of the movable mold, through which the position of the push rod fixing plate can be adjusted when the movable mold and the fixed mold are closed.
与现有技术相比，本实用新型具有如下优点： Compared with the prior art, the utility model has the following advantages:
1.结构简单，通过压铸模具进行压铸加工，从而能够提高生产效率，并且凸模由动模镶块和动模套板夹紧固定，从而使凸模的维修、更换更加方便、快捷，并且维修成本低。 1. The structure is simple, and the die-casting process is carried out through the die-casting mold, so that the production efficiency can be improved, and the punch is clamped and fixed by the movable mold insert and the movable mold cover plate, so that the maintenance and replacement of the punch are more convenient and fast, and the maintenance low cost.
2.在内浇道设置分流锥，从而使浇注压强更大，浇注效果更好，能够更好地将型腔填满，从而使产品的致密性更好，提高产品的压铸质量。 2. The diverter cone is set in the inner runner, so that the pouring pressure is higher, the pouring effect is better, and the cavity can be better filled, so that the product is more compact and the die-casting quality of the product is improved.
3.在定模镶块上设有通孔，更有利于排气和增加产品的致密性，提高产品的质量，同时，当有少量金属液流入孔凝固时，通孔便于清理。 3. There is a through hole on the fixed mold insert, which is more conducive to exhaust, increase the compactness of the product, and improve the quality of the product. At the same time, when a small amount of molten metal flows into the hole and solidifies, the through hole is easy to clean.
附图说明 Description of drawings
图1为铝合金导套的结构示意图。 Figure 1 is a schematic diagram of the structure of an aluminum alloy guide bush.
图2为本实用新型的结构示意图。 Fig. 2 is a structural schematic diagram of the utility model.
图3为图2中局部A的放大图。 FIG. 3 is an enlarged view of part A in FIG. 2 .
图中：1—动模底板，2—动模套板，3—动模镶块，4—凸模，5—定模底板，6—定模套板，7—定模镶块，8—分流锥，9—排气孔，10—密封柱，11—垫块，12—推杆固定板，13—顶杆，14—复位杆，15—限位螺钉，16—浇口套。 In the figure: 1—moving mold bottom plate, 2—moving mold cover plate, 3—moving mold insert, 4—punch die, 5—fixed mold bottom plate, 6—fixed mold cover plate, 7—fixed mold insert, 8— Splitter cone, 9—vent hole, 10—sealing column, 11—cushion block, 12—push rod fixing plate, 13—ejector rod, 14—reset rod, 15—limit screw, 16—gate sleeve.
具体实施方式 Detailed ways
下面将结合附图及实施例对本实用新型作进一步说明。 The utility model will be further described below in conjunction with accompanying drawings and embodiments.
实施例：参见图2、图3，一种铝合金导套压铸模具，包括动模和定模，所述动模包括动模底板1、动模套板2、动模镶块3以及凸模4，所述定模包括定模底板5、定模套板6和定模镶块7。为了保证动模套板2和定模套板6的对位精准，动模套板2和定模套板6通过导向组件相连，所述导向组件包括直导套，直导柱，直导套固设于动模套板2上，能插于所述直导套内且可沿直导套滑动的直导柱固设在定模套板6上。 Embodiment: Referring to Fig. 2 and Fig. 3, an aluminum alloy guide sleeve die-casting mold includes a movable mold and a fixed mold, and the movable mold includes a movable mold bottom plate 1, a movable mold cover plate 2, a movable mold insert 3 and a punch 4. The fixed mold includes a fixed mold bottom plate 5 , a fixed mold cover plate 6 and a fixed mold insert 7 . In order to ensure the accurate alignment of the movable die set plate 2 and the fixed die set plate 6, the movable die set plate 2 and the fixed die set plate 6 are connected by a guide assembly, which includes a straight guide sleeve, a straight guide column, and a straight guide sleeve It is fixed on the movable mold cover plate 2, and the straight guide column which can be inserted in the said straight guide sleeve and can slide along the straight guide sleeve is fixedly arranged on the fixed mold cover plate 6.
所述凸模4一端具有限位台阶，在动模镶块3上设有一阶梯型凸模4定位孔，该凸模4远离限位台阶的一端从该凸模4定位孔穿过后由动模镶块3与动模套板2的配合固定。所述定模镶块7与凸模4对应的位置具有一凹模，当动模与定模合模时，凸模4远离限位台阶的一端插入该凹模内，且凸模4与圆形凹槽之间形成型腔。具体实施时，动模镶块3和定模镶块7分别通过螺栓与动模套板2和定模套板6固定连接；这样，当凸模4或凹模损坏后，通过拆卸动模镶块3和定模镶块7即可实现凸模4的维修、更换，以及动模镶块3和定模镶块7的修复或更换，从而使维修、更换更加方便快捷，并且维修成本更低。具体实施时，所述动模镶块3、凸模4与定模镶块7为多组，作为一种实施例，其组数为10组，从而能够实现一模10件同时压铸，从而进一步提升压铸效率，提高产品生产效率。 One end of the punch 4 has a limit step, and a step-shaped punch 4 positioning hole is provided on the movable mold insert 3, and the end of the punch 4 away from the limit step passes through the punch 4 positioning hole and is passed by the movable mold. Insert block 3 is fixed with the cooperation of movable mold cover plate 2. The position corresponding to the fixed mold insert 7 and the punch 4 has a die. When the movable mold and the fixed die are closed, the end of the punch 4 away from the limit step is inserted into the die, and the punch 4 and the circle A cavity is formed between the grooves. During specific implementation, the movable mold insert 3 and the fixed mold insert 7 are respectively fixedly connected with the movable mold cover plate 2 and the fixed mold cover plate 6 by bolts; Block 3 and fixed mold insert 7 can realize the maintenance and replacement of punch 4, and the repair or replacement of movable mold insert 3 and fixed mold insert 7, so that maintenance and replacement are more convenient and quicker, and the maintenance cost is lower . During specific implementation, the movable mold insert 3, the convex mold 4 and the fixed mold insert 7 are multiple groups. As an embodiment, the number of groups is 10 groups, so that 10 pieces of a mold can be die-casted simultaneously, thereby further Improve die-casting efficiency and improve product production efficiency.
在动模镶块3靠近定模镶块7的一侧设有第一浇注槽，定模镶块7靠近动模镶块3的一侧设有第二浇注槽，所述第一浇注槽与第二浇注槽部分重叠；所述第二浇注槽靠近型腔的一端的深度逐渐减小，并与凹模相连通；当动模与定模合模后，第一浇注槽与第二浇注槽形成相连通的内浇道。 The side of the movable mold insert 3 near the fixed mold insert 7 is provided with a first pouring groove, and the side of the fixed mold insert 7 near the movable mold insert 3 is provided with a second pouring groove, and the first pouring groove and the The second pouring groove partially overlaps; the depth of the second pouring groove near one end of the cavity gradually decreases and communicates with the die; when the movable mold and the fixed mold are closed, the first pouring groove and the second pouring groove A connected ingate is formed.
在动模镶块3上设有一分流锥8，所述分流锥8呈柱状，其一端嵌入动模镶块3内并与动模镶块3固定，另一端伸入第一浇注槽内，且伸入第一浇注槽的一端呈锥形。通过分流锥8能够起到导流以及减少金属液体对凸模4型面的冲蚀作用，并且能够增大填充压强，从而使浇注效果更好，能够更好地将型腔填满；从而使产品的致密性更好，提高产品的压铸质量。在定模上设有浇口套16，所述浇口套16穿过定模底板5、定模套板6并与定模底板5和定模套板6固定；动模与定模合模后，内浇道的进液口与该浇口套16相连通。 A splitter cone 8 is provided on the movable mold insert 3, the said splitter cone 8 is columnar, one end of which is embedded in the movable mold insert 3 and fixed with the movable mold insert 3, and the other end extends into the first pouring groove, and One end protruding into the first pouring groove is tapered. The flow diversion cone 8 can guide the flow and reduce the erosion of the metal liquid on the surface of the punch 4, and can increase the filling pressure, so that the pouring effect is better, and the cavity can be better filled; so that The compactness of the product is better, and the die-casting quality of the product is improved. The sprue sleeve 16 is provided on the fixed mold, and the sprue sleeve 16 passes through the fixed mold bottom plate 5, the fixed mold cover plate 6 and is fixed with the fixed mold bottom plate 5 and the fixed mold cover plate 6; the movable mold is closed with the fixed mold Finally, the liquid inlet of the inner sprue communicates with the sprue bushing 16 .
在定模镶块7上设有一排气孔9，所述排气孔9的一端与凹模相连通，另一端贯穿定模镶块7；在凸模4上对应该排气孔9设有密封柱10，当动模与定模合模时，所述密封柱10能够插入排气孔9内，并将排气孔9封闭。这样，在合模过程中，能够将凹模内的空气从排气孔9排出，从而减少凹模内空气对成型质量造成影响，进一步增加产品的致密性，提高产品质量，同时，当有少量金属液流入孔凝固时，通孔便于清理。 A vent hole 9 is arranged on the fixed die insert 7, and one end of the vent hole 9 communicates with the die, and the other end runs through the fixed die insert 7; The sealing column 10, when the movable mold and the fixed mold are closed, the sealing column 10 can be inserted into the vent hole 9, and the vent hole 9 is closed. In this way, during the mold closing process, the air in the die can be discharged from the vent 9, thereby reducing the impact of the air in the die on the molding quality, further increasing the compactness of the product, and improving the product quality. At the same time, when there is a small amount of When the molten metal flows into the hole and solidifies, the through hole is easy to clean.
在动模底板1和动模套板2之间设有两垫块11，两垫块11分别靠近动模底板1和动模套板2的两侧；在两垫块11之间设有一推杆固定板12，在推杆固定板12上设有顶杆13和复位杆14，所述顶杆13的一端与推杆固定板12连接，另一端穿过动模套板2和动模镶块3；具体实施时，顶杆13为多根，并分布于凸模4的周围；所述复位杆14的两端分别与动模套板2和推杆固定板12相连。当动模与定模合模时，顶杆13远离推杆固定板12的一端均凸出于动模镶块30.1-0.2mm，从而能够减少后续加工，以提高生产效率；通过顶杆13能够在开模的过程中快速将压铸成型的产品从凸模4上顶出，从而使生产速度更快。 There are two pads 11 between the movable mold bottom plate 1 and the movable mold cover plate 2, and the two pads 11 are respectively close to the two sides of the movable mold bottom plate 1 and the movable mold cover plate 2; The rod fixing plate 12 is provided with a push rod 13 and a reset rod 14 on the push rod fixing plate 12. One end of the push rod 13 is connected with the push rod fixing plate 12, and the other end passes through the movable mold cover plate 2 and the movable mold inlay. Block 3; during specific implementation, there are many ejector pins 13, and they are distributed around the punch 4; When the movable mold is closed with the fixed mold, the end of the push rod 13 away from the push rod fixed plate 12 protrudes from the movable mold insert by 30.1-0.2 mm, thereby reducing subsequent processing and improving production efficiency; through the push rod 13, the In the process of mold opening, the die-cast molded product is quickly ejected from the punch 4, thereby making the production speed faster.
在动模底板1上还设有限位螺钉15，所述限位螺钉15至少为2个，能够避免开模的过程中，动模底板1与推杆固定板12直接碰撞，损坏动模底板1和推杆固定板12。并且当动模与定模合模时，通过该限位螺钉15能够调节推杆固定板12的位置。 There are also limit screws 15 on the movable mold base plate 1, and there are at least two limit screws 15, which can prevent the movable mold base plate 1 from directly colliding with the push rod fixing plate 12 during the mold opening process and damage the movable mold base plate 1. And push rod fixed plate 12. And when the movable mold is closed with the fixed mold, the position of the push rod fixing plate 12 can be adjusted by the limit screw 15 .
工作过程中，合模后通过浇口套16进行铝合金熔液的浇注，开模的过程中，动模随机床朝远离定模的方向移动，当凸模4和压铸产品从定模上脱离后，推杆固定板12由穿过动模底板1并与之相连的连杆顶住，从而形成动模底板1、动模套板2继续移动而推杆固定板12及顶杆13不再移动，直至在顶杆13的作用下将产品顶出；当机床朝定模方向移动时，推杆固定板12在复位杆14的作用下复位。 During the working process, after the mold is closed, the molten aluminum alloy is poured through the sprue sleeve 16. During the mold opening process, the movable mold random bed moves away from the fixed mold. When the punch 4 and the die-casting product are separated from the fixed mold Finally, the push rod fixed plate 12 is supported by the connecting rod that passes through the movable mold bottom plate 1 and is connected with it, so that the movable mold bottom plate 1 and the movable mold cover plate 2 continue to move while the push rod fixed plate 12 and the ejector rod 13 are no longer Move until the product is ejected under the action of the ejector rod 13;
最后需要说明的是，以上实施例仅用以说明本实用新型的技术方案而非限制技术方案，本领域的普通技术人员应当理解，那些对本实用新型的技术方案进行修改或者等同替换，而不脱离本技术方案的宗旨和范围，均应涵盖在本实用新型的权利要求范围当中。 Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than limit the technical solution. Those skilled in the art should understand that those who modify or replace the technical solution of the utility model without departing from The purpose and scope of the technical solution should be included in the claims of the utility model.
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