WO2023029023A1 - 引伸模具 - Google Patents

引伸模具 Download PDF

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Publication number
WO2023029023A1
WO2023029023A1 PCT/CN2021/116599 CN2021116599W WO2023029023A1 WO 2023029023 A1 WO2023029023 A1 WO 2023029023A1 CN 2021116599 W CN2021116599 W CN 2021116599W WO 2023029023 A1 WO2023029023 A1 WO 2023029023A1
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WO
WIPO (PCT)
Prior art keywords
die
plate
punch
extension
replacement area
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Application number
PCT/CN2021/116599
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English (en)
French (fr)
Inventor
蒋文红
叶民生
许庆松
王小刚
Original Assignee
无锡微研股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 无锡微研股份有限公司 filed Critical 无锡微研股份有限公司
Priority to CN202180002629.8A priority Critical patent/CN113905835A/zh
Priority to PCT/CN2021/116599 priority patent/WO2023029023A1/zh
Publication of WO2023029023A1 publication Critical patent/WO2023029023A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/02—Die constructions enabling assembly of the die parts in different ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/04—Movable or exchangeable mountings for tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02—Ejecting devices
    • B21D45/04—Ejecting devices interrelated with motion of tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/022—Making the fins

Definitions

  • the present application relates to the field of moulds, for example, to a stretching mould.
  • fins in the air-conditioning industry are complex and changeable, and customers' requirements for air-conditioning molds are also increasing.
  • one pair of molds corresponds to the production of fins with one aperture.
  • two sets of molds are required for fin extension processing with two apertures.
  • the cost of the molds is high, and the storage pressure in the warehouse is high. Therefore, it is hoped to break through the limitations in the industry and improve the sharing ability between molds.
  • the application provides an extension mold, which realizes the processing of various hole diameters in one pair of molds and improves the versatility of the mold.
  • An extension mould comprising an upper mold backing plate and a lower mold backing plate cooperatingly arranged, a concave formwork is arranged on the lower surface of the upper mold backing plate, a plurality of concave mold sets are arranged on the concave formwork, and the upper surface of the lower mold backing plate
  • a punch fixing plate is provided, and a plurality of extension punches corresponding to a plurality of die sets protrude from the punch fixing plate.
  • the entire extension mold is divided into a common area and a replacement area from front to back according to the feeding direction, and the common area to the replacement area.
  • the size of the die sets in the area decreases sequentially, the sizes of the die sets and the extension punches in the common area are fixed, and the sizes of the die sets and the extension punches in the replacement area are selectively set according to the target forming aperture.
  • Fig. 1 is a schematic diagram of mold clamping of a stretching mold provided in Example 1 of the present application;
  • Figure 2 is a schematic diagram of the replacement of a stretching mold provided in Example 1 of the present application.
  • Fig. 3 is a schematic diagram of the replacement of a stretching mold provided in Example 2 of the present application.
  • Example 4 is a schematic diagram of an upper mold of a stretching mold provided in Example 2 of the present application.
  • Fig. 5 is a schematic diagram of a lower mold of a stretching mold provided in Example 2 of the present application.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or a mechanical connection. It may also be an electrical connection, or an indirect connection through an intermediary, or an internal communication between two elements or an interaction relationship between two elements. Those of ordinary skill in the art can understand the meanings of the above terms in this application according to the situation.
  • a first feature being "on” or “under” a second feature may include direct contact between the first feature and the second feature, and may also include the first feature and the second feature. Two features are not in direct contact but through another feature between them. Moreover, “above”, “above” and “above” the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. “Below”, “under” and “under” the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • this embodiment provides an extension mold.
  • This embodiment illustrates the fin extension processing of two different hole diameters. On this basis, more than two hole diameter processing can also be extended.
  • the mold comprises a matching upper die backing plate 1 and a lower die backing plate 2, the lower surface of the upper die backing plate 1 is provided with a concave formwork 3, and a plurality of die sets 4 are arranged on the concave formwork 3, and the lower die backing plate
  • the upper surface of the 2 is provided with a punch fixing plate 5 on which a plurality of extension punches 6 corresponding to the die sleeve 4 protrude.
  • the entire mold is divided into a common area 7 and a replacement area 8 from front to back according to the feeding direction.
  • the die sets 4 in the common area 7 to the replacement area 8 are successively reduced in size, and the die sets 4 and the extension punch in the shared area 7
  • the size of 6 is fixed, and the size of the die set 4 and the stretching punch 6 in the replacement area 8 is selectively set according to the target forming aperture.
  • the concave formwork 3 and the punch fixed plate 5 are arranged in sections according to the shared area 7 and the replacement area 8, and the concave mold plate 3 in the replacement area 8, the punch fixed plate 5 and the concave mold cover 4 and the extension punch 6 above them can be integrated replace.
  • the common area 7 can be used in common, and only the corresponding sub-die needs to be selected in the replacement area 8 .
  • the die set 4 in the last step or two steps of stretching in the replacement area 8 is the stretching forming set 9, and the stretching forming set 9 is provided with a pressing nail 10 facing the stretching punch 6 to ensure the final stretching forming effect.
  • a discharge plate 11 is arranged between the punch fixing plate 5 and the concave template 3, and a positioning column 12 is erected on the punch fixing plate 5, and the discharge plate 11 moves up and down along the positioning column 12, and the punch fixing plate 5 is convex
  • this embodiment proposes another extension die, as shown in Figure 3, the difference is that it is not necessary to replace the entire sub-mold in the replacement area 8, only the required concave dies need to be selectively selected Cover 4 and extension punch 6 get final product.
  • a plurality of die sets 4 suitable for different aperture extensions are arranged on the die template 3 in the replacement area 8 here, and a plurality of drawing strips 14 are arranged under the backing plate 2 of the lower die, each The draw bar 14 is provided with a high and low part that abuts against the bottom of the corresponding extension punch 6 , and by controlling the position change of the upper and lower parts of the draw bar 14 , an extension punch 6 is selected to cooperate with the die set 4 .
  • a pair of molds has the ability to process multiple sets of apertures, and it is only necessary to control some of the stretching punches 6 to work and some of the stretching punches 6 to not work.
  • the size of the die sets 4 in the mold is designed to be gradually smaller, and the processing size is gradually approaching the target size. Even if the die sets 4 with two sets of apertures are arranged alternately, it is only necessary to control the position of the unmatched die sets 4 to stop working, and the mold The layout of the design is more concise.
  • the first five steps of the mold can be used in common. Just change the size of the die sleeve 4 and the extension punch 6 corresponding to the aperture to complete the switch of mold specifications, which can not only facilitate and quickly carry out the production of different products, but also It can save the cost of making another mold.
  • the above-mentioned drawing molds share the design of the first few steps of the drawing process with different apertures, and group and selectively work the design of the latter steps, so that a pair of molds can be processed with various apertures, which improves the commonality of the molds and saves mold cost.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

本文公开了一种引伸模具，包括配合设置的上模垫板和下模垫板，上模垫板的下表面设置有凹模板，凹模板上排布有多个凹模套，下模垫板的上表面设置有凸模固定板，凸模固定板上伸出有对应多个凹模套的多个引伸凸模，整个引伸模具按进料方向从前至后分为共用区和更换区，共用区至更换区中的凹模套尺寸依次减小，共用区中的凹模套和引伸凸模的尺寸固定，更换区中的凹模套和引伸凸模的尺寸按目标成型孔径选择性设置。

Description

引伸模具 技术领域
本申请涉及模具领域，例如涉及一种引伸模具。
背景技术
空调行业的翅片型号复杂多变，客户对空调模具的要求也日益增多。一般一副模具对应生产一孔径的翅片，如两种孔径的翅片引伸加工时需要两副模具，模具成本高，仓库存储压力大。因此，希望突破行业内限制，提高模具之间的共用能力。
发明内容
本申请提供一种引伸模具，实现一副模具能进行多种孔径的加工，提高模具的通用性。
一种引伸模具，包括配合设置的上模垫板和下模垫板，上模垫板的下表面设置有凹模板，凹模板上排布有多个凹模套，下模垫板的上表面设置有凸模固定板，凸模固定板上伸出有对应多个凹模套的多个引伸凸模，整个引伸模具按进料方向从前至后分为共用区和更换区，共用区至更换区中的凹模套尺寸依次减小，共用区中的凹模套和引伸凸模的尺寸固定，更换区中的凹模套和引伸凸模的尺寸按目标成型孔径选择性设置。
附图说明
图1是本申请实施例1提供的一种引伸模具的合模示意图；
图2是本申请实施例1提供的一种引伸模具的更换示意图；
图3是本申请实施例2提供的一种引伸模具的更换示意图；
图4是本申请实施例2提供的一种引伸模具的上模的示意图；
图5是本申请实施例2提供的一种引伸模具的下模的示意图。
其中：
1、上模垫板；2、下模垫板；3、凹模板；4、凹模套；5、凸模固定板；6、引伸凸模；7、共用区；8、更换区；9、引伸成型套；10、压料钉；11、卸料板；12、定位柱；13、弹簧顶块；14、抽条。
具体实施方式
下面详细描述本申请的实施例，实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的零部件或具有相同或类似功能的零部件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请。
在本申请的描述中，除非另有规定和限定，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，可以是机械连接，也可以是电连接，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据情况理解上述术语在本申请中的含义。
在本申请的描述中，除非另有规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一特征和第二特征直接接触，也可以包括第一特征和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。下面结合附图并通过具体实施方式来进一步说明本申请的技术方案。
实施例1：
请参阅图1所示，本实施例提供一种引伸模具，本实施例以对两个不同孔径的翅片引伸加工进行说明，在此基础上，多于两种孔径加工也可扩展进行。
该模具包括配合设置的上模垫板1和下模垫板2，上模垫板1的下表面设置有凹模板3，凹模板3上排布有多个凹模套4，下模垫板2的上表面设置有凸模固定板5，凸模固定板5上伸出有多个对应凹模套4的引伸凸模6。
整个模具按进料方向从前至后分为共用区7和更换区8，共用区7至更换区8中的凹模套4尺寸依次减小，共用区7中的凹模套4和引伸凸模6的尺寸固定，更换区8中的凹模套4和引伸凸模6的尺寸按目标成型孔径选择性设置。
凹模板3、凸模固定板5根据共用区7和更换区8分段设置，更换区8中的凹模板3、凸模固定板5及其上面的凹模套4和引伸凸模6可整体替换。如图2所示，假定要引伸A和B两种孔径的孔，共用区7可通用，仅需在更换区8中选择对应子模即可。
更换区8中引伸最后一步或两步的凹模套4为引伸成型套9，引伸成型套9中设置有与引伸凸模6对顶的压料钉10，以保证最终引伸成型效果。
凸模固定板5与凹模板3之间设置有卸料板11，凸模固定板5上竖立有定位柱12，卸料板11沿着定位柱12上下运动，且凸模固定板5上凸出有弹簧顶块13，弹簧顶块13作用于卸料板11上，使卸料板11相对于每个引伸凸模6上下浮动，以方便脱料，使得进料顺畅，避免故障，保证生产节拍。
一般不同孔径的翅片形状也有差异，在上述基础上，只需通过更换上下波纹成型板即可满足不同孔径的翅片生产要求。
实施例2：
在实施例1的基础上，本实施例提出另一种引伸模具，如图3所示，不同之处在于，无需将更换区8的整个子模更换，仅需选择性地选用需要的凹模套4和引伸凸模6即可。
如图4和5所示，此处的更换区8中的凹模板3上设置有多个适用不同孔径引伸的凹模套4，下模垫板2的下方设置多个抽条14，每个抽条14上设置有与对应引伸凸模6的底部抵靠的高低部，通过控制抽条14上高低部位置变换，以选择一个引伸凸模6与凹模套4配合工作。
如此，无需更换子模，一副模具上具备多组孔径加工能力，仅需控制一些引伸凸模6工作、一些引伸凸模6不工作即可。模具中凹模套4的尺寸设计为渐小，加工尺寸逐渐靠近目标尺寸，即使两组孔径的凹模套4交错排布，只需控制不匹配的凹模套4位置不工作即可，模具设计排布更加简洁。
以上模具中，模前五步工序可以通用，只需更换对应孔径的凹模套4和引伸凸模6的尺寸，便可完成模具规格的切换，既可以方便快速的进行不同产品的生产，又可以节省再制一幅模具的成本。
综上，上述的引伸模具将不同孔径引伸工艺的前几步设计共用，后几步设计分组并选择性工作，从而实现一副模具上能进行多种孔径的加工，提高了模具共用性，节省了模具成本。

Claims (5)

  1. 一种引伸模具，包括配合设置的上模垫板和下模垫板，所述上模垫板的下表面设置有凹模板，所述凹模板上排布有多个凹模套，所述下模垫板的上表面设置有凸模固定板，所述凸模固定板上伸出有对应所述多个凹模套的多个引伸凸模，所述引伸模具按进料方向从前至后分为共用区和更换区，所述共用区至所述更换区中的凹模套尺寸依次减小，所述共用区中的凹模套和引伸凸模的尺寸固定，所述更换区中的凹模套和引伸凸模的尺寸按目标成型孔径选择性设置。
  2. 根据权利要求1所述的引伸模具，其中，所述凹模板和所述凸模固定板根据所述共用区和所述更换区分段设置，所述更换区中的凹模板和凸模固定板、所述更换区中的凹模板上的凹模套和所述更换区中的凸模固定板上的引伸凸模可整体替换。
  3. 根据权利要求1所述的引伸模具，其中，所述更换区中的凹模板上设置有多个适用不同孔径引伸的凹模套，所述下模垫板的下方设置多个抽条，每个抽条上设置有与所述每个抽条对应的引伸凸模的底部抵靠的高低部，每个抽条设置为控制所述每个抽条上高低部的位置变换，以选择一个引伸凸模与所述多个适用不同孔径引伸的凹模套配合工作。
  4. 根据权利要求1所述的引伸模具，其中，所述更换区中引伸最后一步或两步的凹模套为引伸成型套，所述引伸成型套中设置有与所述引伸成型套对应的引伸凸模对顶的压料钉。
  5. 根据权利要求1所述的引伸模具，其中，所述凸模固定板与所述凹模板之间设置有卸料板，所述凸模固定板上竖立有定位柱，所述卸料板设置为沿着所述定位柱上下运动，且所述凸模固定板上凸出有弹簧顶块，所述弹簧顶块设置为作用于所述卸料板上，使所述卸料板相对于每个引伸凸模上下浮动。
PCT/CN2021/116599 2021-09-06 2021-09-06 引伸模具 WO2023029023A1 (zh)

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