WO2022007458A1 - 一种用于压铸成型的精密型腔模 - Google Patents

一种用于压铸成型的精密型腔模 Download PDF

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Publication number
WO2022007458A1
WO2022007458A1 PCT/CN2021/087453 CN2021087453W WO2022007458A1 WO 2022007458 A1 WO2022007458 A1 WO 2022007458A1 CN 2021087453 W CN2021087453 W CN 2021087453W WO 2022007458 A1 WO2022007458 A1 WO 2022007458A1
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Prior art keywords
die
cavity
guide
groove
lower die
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PCT/CN2021/087453
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English (en)
French (fr)
Inventor
汤铁装
李文涛
张耀雄
刘华珠
张绪刚
胡小垒
王波
潘碧绦
张海峰
张宏伟
王爱民
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东莞宜安科技股份有限公司
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Publication of WO2022007458A1 publication Critical patent/WO2022007458A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies

Definitions

  • the utility model relates to the technical field of die-casting precision cavity molds, in particular to a precision cavity mold for die-casting molding.
  • the molds are generally composed of cavity molds with various ejectors
  • the cavity mold is the main component of the mold.
  • the cavity mold is installed on the mold of the injection molding machine to be fixed.
  • the structure of the existing cavity mold is not reasonable, and the installation of the mold is often inconvenient.
  • the purpose of the present invention is to provide a precision cavity mold for die-casting, so as to solve the problems raised in the above background technology.
  • a precision cavity mold for die-casting including a base, the top of the base is fixedly connected with a lower template by screws, and the top of the lower template guides
  • An upper template is assembled, a gate groove is opened at the top center of the upper template, an upper mold groove is opened at the bottom center of the upper template, and a diversion hole is communicated between the gate groove and the upper mold groove , the left and right sides of the bottom of the upper formwork are provided with guide grooves, the guide grooves are fixedly assembled with guide sleeves, and the left and right sides of the top of the lower formwork are fixedly provided with positioning posts that match the guide sleeves.
  • a lower die groove corresponding to the upper die groove is opened at the top center of the lower die plate, a limit ring arranged on the outer side of the lower die groove is fixed on the top of the lower die plate, and an exhaust is provided on the inner wall of the lower die groove
  • the left and right sides of the lower die groove are provided with demolding holes opened on the lower template
  • the base is provided with a demoulding cavity
  • a push plate is movably arranged in the demolding cavity, and the push plate
  • the left and right sides of the top of the mold are fixedly provided with demoulding rods, and the top of the demoulding rod extends into the demoulding hole, and the bottom of the demoulding cavity is provided with a accommodating cavity opened in the inner cavity of the base, and the push plate
  • a guide column is fixed at the bottom center of the guide column, and the bottom end of the guide column extends to the accommodating cavity.
  • the bottom of the accommodating cavity is movably equipped with a guide block that matches the guide column
  • the widths of the upper die groove and the lower die groove are adapted, and the width of the gate groove is larger than that of the upper die groove, and the exhaust hole is arranged on the top rear side of the lower die plate.
  • the limiting ring is arranged on the outer side of the lower die groove, and the limiting ring is arranged between the two sets of demolding holes, and the outer side of the limiting ring is aligned with the demolding holes.
  • the top of the guide block is an inclined surface from right to left, and the inclination angle is 15 degrees, and the bottom of the guide block is fixedly provided with a slider, and the bottom of the accommodating cavity is opened with a slider corresponding to the slider. Suitable chute.
  • the bottom end of the guide post is hemispherical, and the length of the guide post extending into the accommodating cavity is greater than the height of the demolding cavity.
  • the left end of the screw rod is movably assembled on the right side wall of the guide block through a bearing, and the right end of the screw rod penetrates through the right side wall of the base and is fixedly assembled with an adjusting plate.
  • the beneficial effects of the utility model are: the utility model has a reasonable structure design, the positioning column and the guide sleeve in the guide groove are assembled, the assembly accuracy of the upper template and the lower template can be ensured, and the deviation of the upper template can be prevented. It has good matching relationship, is not easy to fall off, has good stability, and improves assembly reliability.
  • the material guide is realized through the gate groove, and the material can be introduced into the upper mold groove through the guide hole, and then flow into the lower mold groove, so as to realize The model is die-casted.
  • the limit ring can prevent the flow from flowing out from the gap between the upper and lower formwork. At the same time, the exhaust hole can realize the outflow of air.
  • the screw when the screw is manually rotated after the die-casting of the model, it can pass through the screw and the base.
  • the screwing action of the guide block drives the guide block to move, so that the guide block can be squeezed through the assembly of the guide block and the guide column, so as to promote the guide column to move upward, which can drive the ejection rod on the push plate to move up, which can promote
  • the demolding rod passes through the demolding hole and squeezes the upper template to realize demolding, which is easy to operate and can ensure the die-casting quality of the model.
  • Figure 1 is a schematic diagram of the overall structure of the utility model.
  • a precision cavity mold for die-casting including a base 1, the top of the base 1 is fixedly connected with a lower template 3 through screws 2, and the bottom of the lower template 3 is
  • the top guide is equipped with an upper template 4, a gate groove 5 is opened at the top center of the upper template 4, an upper mold groove 6 is opened at the bottom center of the upper template 4, and there is a communication between the gate groove 5 and the upper mold groove 6.
  • the left and right sides of the bottom of the upper template 4 are provided with guide grooves 8
  • the guide groove 8 is fixedly assembled with a guide sleeve 9, and the left and right sides of the top of the lower template 3 are fixedly provided with guide sleeves 9.
  • the positioning column 10 the top center of the lower die plate 3 is provided with a lower die groove 11 corresponding to the upper die groove 6, the top of the lower die plate 3 is fixed with a limit ring 12 arranged on the outer side of the lower die groove 11, the lower die groove 11
  • the inner wall is provided with an exhaust hole 13, the left and right sides of the lower die groove 11 are provided with demolding holes 14 opened on the lower die plate 3, a demoulding cavity 15 is opened in the base 1, and a demoulding cavity 15 is movably arranged in the demoulding cavity 15.
  • the push plate 16, the top left and right sides of the push plate 16 are fixedly provided with a demolding rod 17, and the top end of the demoulding rod 17 extends into the demolding hole 14, and the demolding cavity 15 is provided with a cavity opened in the base 1 below.
  • the accommodating cavity 18, the bottom center of the push plate 16 is fixedly provided with a guide column 19, the bottom end of the guide column 19 extends to the accommodating cavity 18, and the bottom of the accommodating cavity 18 is movably fitted with a guide block 20 that matches the guide column 19.
  • the right side wall of the guide block 20 is movably assembled with a screw rod 21 through a bearing, and the right end of the screw rod 21 extends out of the right side wall of the base 1 .
  • the width of the upper die groove 6 and the lower die groove 11 are matched, and the width of the gate groove 5 is larger than the width of the upper die groove 6, the exhaust hole 13 is arranged on the top rear side of the lower die plate 3, and the exhaust hole 13. It can realize the efflux of air;
  • the limit ring 12 is arranged on the outer side of the lower die groove 11 , and the limit ring 12 is arranged between the two sets of demolding holes 14 , and the outer side of the limit ring 12 is aligned with the demolding hole 14 , the limit ring 12 can prevent the flow out of the gap between the upper template 4 and the lower template 3;
  • the top of the guide block 20 is an inclined surface from right to left, and the inclination angle is 15 degrees, and the bottom of the guide block 20 is fixedly provided with a slider, and the bottom of the accommodating cavity 18 is opened with a slider corresponding to the slider.
  • the matching chute when the screw 21 is rotated, can drive the guide block 20 to move through the screw connection between the screw 21 and the base 1, which can prevent the guide block 20 from rotating when the screw 21 rotates.
  • the assembling action of the clasp can squeeze the guide column 19, so as to promote the upward movement of the guide column 19, which is convenient to realize the self-unloading mold;
  • the bottom end of the guide post 19 is hemispherical, and the length of the guide post 19 extending into the accommodating cavity 18 is greater than the height of the demolding cavity 15;
  • the left end of the screw rod 21 is movably assembled on the right side wall of the guide block 20 through a bearing, and the right end of the screw rod 21 penetrates the right side wall of the base 1 and is fixedly assembled with an adjusting plate.
  • the guide block 20 When the screw 21 is rotated, the guide block 20 can be driven to move by the screw connection between the screw 21 and the base 1, so that the guide block 20 and the guide column 19 can be assembled to squeeze the guide column 19, so as to promote the guide column. 19 moves upward, which can drive the demolding rod 17 on the push plate 16 to move up, and can promote the demolding rod 17 to pass through the demolding hole 14 and squeeze the upper template 4 to realize demolding, which is easy to operate and can ensure Die-cast quality of the model.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

一种用于压铸成型的精密型腔模，其包括基座（1）、上模板（4）、下模板（3），上模板底部左右两侧均开设导向槽（8），该导向槽内固定装配有导套（9），下模板的顶部左右两侧均固定设置有和导套相适配的定位柱（10），下模板的顶部固定有设置在下模槽（6）外侧的限位环（12），下模槽内壁上开设有排气孔（13），下模槽的左右两方均设置有开设在下模板上的脱模孔（14），基座内开设有脱模腔（15），脱模腔下方设有容纳腔（18），脱模腔内活动设置有推板（16），推板的顶部左右两侧均固定设置有脱模杆（17），推板的底部中心处固定设置有导向柱（19），容纳腔内底部活动装配有和导向柱相适配的导向块（20），导向块的右侧壁上通过轴承活动装配有螺杆（21），螺杆的右端延伸出基座右侧壁。该精密型腔模的定位柱和导向槽内的导套配合关系好，不容易脱落，可提高装配可靠性，能够实现自卸模，操作便捷。

Description

一种用于压铸成型的精密型腔模 技术领域
本实用新型涉及压铸成型精密型腔模技术领域，具体为一种用于压铸成型的精密型腔模。
背景技术
随着工业的不断发展，不同的机械设备应运而生，这些机械设备中的一些部件因为结构成型或者性能的要求通常是通过精密型模具压铸成型的，模具一般是由腔模配合各种顶杆组成，其中腔模作为模具的主要组成部分，使用时，模具都是将腔模安装在注塑机码模固定，但是，现有的腔模的结构合理性较差，经常码模安装不便，需要生产安装对应的底板来对下针板起到支撑作用，生产材料多且生产成本高，空间占用大及其不便使用，而且上模板、下模板之间的导向配合关系差，容易松动脱落，稳定性差，在模具完成压铸之后不便于进行取模操作，为此，我们提出一种用于压铸成型的精密型腔模。
实用新型内容
本实用新型的目的在于提供一种用于压铸成型的精密型腔模，以解决上述背景技术中提出的问题。
为实现上述目的，本实用新型提供如下技术方案：一种用于压铸成型的精密型腔模，包括基座，所述基座的顶部通过螺钉固定连接有下模板，所述下模板的顶部导向装配有上模板，所述上模板的顶部中心处开设有浇口槽，所述上模板的底部中心处开设有上模槽，且所述浇口槽和上模槽之间连通有导流孔，所述上模板的底部左右两侧均开设有导向槽，所述导向槽内固定装配有导套，所述下模板的顶部左右两侧均固定设置有和导套相适配的定位柱，所述下模板的顶部中心处开设有和上模槽相对应的下模槽，所述下模板的顶部固定有设置在下模槽外侧的限位环，所述下模槽内壁上开设有排气孔，所述下模槽的左右两方均设置有开设在下模板上的脱模孔，所述基座内开设有 脱模腔，所述脱模腔内活动设置有推板，所述推板的顶部左右两侧均固定设置有脱模杆，且所述脱模杆顶端延伸至脱模孔内，所述脱模腔的下方设置有开设在基座内腔的容纳腔，所述推板的底部中心处固定设置有导向柱，所述导向柱的底端延伸至容纳腔，所述容纳腔内底部活动装配有和导向柱相适配的导向块，所述导向块的右侧壁上通过轴承活动装配有螺杆，所述螺杆的右端延伸出基座右侧壁。
优选的，所述上模槽和下模槽宽度相适配，且所述浇口槽的宽度大于上模槽的宽度，所述排气孔设置在下模板的顶部后侧。
优选的，所述限位环设置在下模槽的外侧，且所述限位环设置在两组脱模孔之间，且所述限位环的外侧和脱模孔对齐。
优选的，所述导向块的顶部为自右向左的倾斜面，且倾斜角度为15度，且所述导向块的底部固定设置有滑块，所述容纳腔的底部开设有和滑块相适配的滑槽。
优选的，所述导向柱的底端为半球形，且所述导向柱延伸至容纳腔中的长度大于脱模腔的高度。
优选的，所述螺杆的左端通过轴承活动装配在导向块的右侧壁上，所述螺杆的右端贯穿基座右侧壁后固定装配有调节板。
与现有技术相比，本实用新型的有益效果是：本实用新型结构设计合理，定位柱和导向槽内的导套进行装配，能够保证上模板和下模板的装配精度，防止上模板发生偏移，配合关系好，不容易脱落，稳定性好，提高装配可靠性，通过浇口槽实现导料，能够通过导流孔将物料导入到上模槽，继而流入到下模槽中，从而实现模型压铸成型，限位环能够防止物流从上模板和下模板之间的缝隙流出，同时排气孔能够实现空气的外排，同时在模型压铸完成后手动转动螺杆时，能够通过螺杆和基座的螺接作用带动导向块移动，这样通过导向块和导向柱的装配作用能够对导向柱进行挤压，从而能够促使导向 柱向上移动，这样能够带动推板上的脱模杆上移，能够促使脱模杆穿过脱模孔后对上模板进行挤压而实现卸模，操作简单，且能够保证模型的压铸质量。
附图说明
图1为本实用新型整体结构示意图。
图中：1基座、2螺钉、3下模板、4上模板、5浇口槽、6上模槽、7导流孔、8导向槽、9导套、10定位柱、11下模槽、12限位环、13排气孔、14脱模孔、15脱模腔、16推板、17脱模杆、18容纳腔、19导向柱、20导向块、21螺杆。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参阅图1，本实用新型提供一种技术方案：一种用于压铸成型的精密型腔模，包括基座1，基座1的顶部通过螺钉2固定连接有下模板3，下模板3的顶部导向装配有上模板4，上模板4的顶部中心处开设有浇口槽5，上模板4的底部中心处开设有上模槽6，且浇口槽5和上模槽6之间连通有导流孔7，上模板4的底部左右两侧均开设有导向槽8，导向槽8内固定装配有导套9，下模板3的顶部左右两侧均固定设置有和导套9相适配的定位柱10，下模板3的顶部中心处开设有和上模槽6相对应的下模槽11，下模板3的顶部固定有设置在下模槽11外侧的限位环12，下模槽11内壁上开设有排气孔13，下模槽11的左右两方均设置有开设在下模板3上的脱模孔14，基座1内开设有脱模腔15，脱模腔15内活动设置有推板16，推板16的顶部左右两侧均固定设置有脱模杆17，且脱模杆17顶端延伸至脱模孔14内，脱模腔15的下方设 置有开设在基座1内腔的容纳腔18，推板16的底部中心处固定设置有导向柱19，导向柱19的底端延伸至容纳腔18，容纳腔18内底部活动装配有和导向柱19相适配的导向块20，导向块20的右侧壁上通过轴承活动装配有螺杆21，螺杆21的右端延伸出基座1右侧壁。
请参阅图1，上模槽6和下模槽11宽度相适配，且浇口槽5的宽度大于上模槽6的宽度，排气孔13设置在下模板3的顶部后侧，排气孔13能够实现空气的外排；
请参阅图1，限位环12设置在下模槽11的外侧，且限位环12设置在两组脱模孔14之间，且限位环12的外侧和脱模孔14对齐，限位环12能够防止物流从上模板4和下模板3之间的缝隙流出；
请参阅图1，导向块20的顶部为自右向左的倾斜面，且倾斜角度为15度，且导向块20的底部固定设置有滑块，容纳腔18的底部开设有和滑块相适配的滑槽，转动螺杆21时，能够通过螺杆21和基座1的螺接作用带动导向块20移动，可以防止导向块20在螺杆21转动时发生自转动，通过导向块20和导向柱19的装配作用能够对导向柱19进行挤压，从而能够促使导向柱19向上移动，便于实现自卸模；
导向柱19的底端为半球形，且导向柱19延伸至容纳腔18中的长度大于脱模腔15的高度；
螺杆21的左端通过轴承活动装配在导向块20的右侧壁上，螺杆21的右端贯穿基座1右侧壁后固定装配有调节板。
工作原理：在上模板4和下模板3进行装配时，定位柱10和导向槽8内的导套9进行装配，能够保证上模板4和下模板3的装配精度，防止上模板4发生偏移，配合关系好，不容易脱落，稳定性好，提高装配可靠性，通过浇口槽5实现导料，能够通过导流孔7将物料导入到上模槽6，继而流入到下模槽11中，从而能够实现模型压铸成型，限位环12能够防止物流从上模板4 和下模板3之间的缝隙流出，同时排气孔13能够实现空气的外排，同时在模型压铸完成后并手动正向转动螺杆21时，能够通过螺杆21和基座1的螺接作用带动导向块20移动，这样通过导向块20和导向柱19的装配作用能够对导向柱19进行挤压，从而能够促使导向柱19向上移动，这样能够带动推板16上的脱模杆17上移，能够促使脱模杆17穿过脱模孔14后对上模板4进行挤压而实现卸模，操作简单，且能够保证模型的压铸质量。
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。

Claims (6)

  1. 一种用于压铸成型的精密型腔模，包括基座(1)，其特征在于：所述基座(1)的顶部通过螺钉(2)固定连接有下模板(3)，所述下模板(3)的顶部导向装配有上模板(4)，所述上模板(4)的顶部中心处开设有浇口槽(5)，所述上模板(4)的底部中心处开设有上模槽(6)，且所述浇口槽(5)和上模槽(6)之间连通有导流孔(7)，所述上模板(4)的底部左右两侧均开设有导向槽(8)，所述导向槽(8)内固定装配有导套(9)，所述下模板(3)的顶部左右两侧均固定设置有和导套(9)相适配的定位柱(10)，所述下模板(3)的顶部中心处开设有和上模槽(6)相对应的下模槽(11)，所述下模板(3)的顶部固定有设置在下模槽(11)外侧的限位环(12)，所述下模槽(11)内壁上开设有排气孔(13)，所述下模槽(11)的左右两方均设置有开设在下模板(3)上的脱模孔(14)，所述基座(1)内开设有脱模腔(15)，所述脱模腔(15)内活动设置有推板(16)，所述推板(16)的顶部左右两侧均固定设置有脱模杆(17)，且所述脱模杆(17)顶端延伸至脱模孔(14)内，所述脱模腔(15)的下方设置有开设在基座(1)内腔的容纳腔(18)，所述推板(16)的底部中心处固定设置有导向柱(19)，所述导向柱(19)的底端延伸至容纳腔(18)，所述容纳腔(18)内底部活动装配有和导向柱(19)相适配的导向块(20)，所述导向块(20)的右侧壁上通过轴承活动装配有螺杆(21)，所述螺杆(21)的右端延伸出基座(1)右侧壁。
  2. 根据权利要求1所述的一种用于压铸成型的精密型腔模，其特征在于：所述上模槽(6)和下模槽(11)宽度相适配，且所述浇口槽(5)的宽度大于上模槽(6)的宽度，所述排气孔(13)设置在下模板(3)的顶部后侧。
  3. 根据权利要求1所述的一种用于压铸成型的精密型腔模，其特征在于：所述限位环(12)设置在下模槽(11)的外侧，且所述限位环(12)设置在两组脱模孔(14)之间，且所述限位环(12)的外侧和脱模孔(14)对齐。
  4. 根据权利要求1所述的一种用于压铸成型的精密型腔模，其特征在于：所述导向块(20)的顶部为自右向左的倾斜面，且倾斜角度为15度，且所述导向块(20)的底部固定设置有滑块，所述容纳腔(18)的底部开设有和滑块相适配的滑槽。
  5. 根据权利要求4所述的一种用于压铸成型的精密型腔模，其特征在于：所述导向柱(19)的底端为半球形，且所述导向柱(19)延伸至容纳腔(18)中的长度大于脱模腔(15)的高度。
  6. 根据权利要求1所述的一种用于压铸成型的精密型腔模，其特征在于：所述螺杆(21)的左端通过轴承活动装配在导向块(20)的右侧壁上，所述螺杆(21)的右端贯穿基座(1)右侧壁后固定装配有调节板。
PCT/CN2021/087453 2020-07-08 2021-04-15 一种用于压铸成型的精密型腔模 WO2022007458A1 (zh)

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