CN104889259B - 一种翻孔复合模 - Google Patents
一种翻孔复合模 Download PDFInfo
- Publication number
- CN104889259B CN104889259B CN201510351558.9A CN201510351558A CN104889259B CN 104889259 B CN104889259 B CN 104889259B CN 201510351558 A CN201510351558 A CN 201510351558A CN 104889259 B CN104889259 B CN 104889259B
- Authority
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- Prior art keywords
- die
- punch
- bolster
- bending
- compound
- Prior art date
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 36
- 238000005452 bending Methods 0.000 claims abstract description 28
- 210000001699 lower leg Anatomy 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000004080 punching Methods 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 5
- 239000000463 materials Substances 0.000 claims description 5
- 239000011257 shell materials Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000004033 plastics Substances 0.000 description 9
- 229920003023 plastics Polymers 0.000 description 9
- 238000005516 engineering processes Methods 0.000 description 5
- 238000000034 methods Methods 0.000 description 5
- 239000002585 bases Substances 0.000 description 2
- 239000000919 ceramics Substances 0.000 description 2
- 239000002131 composite materials Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000258971 Brachiopoda Species 0.000 description 1
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 240000006028 Sambucus nigra Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Classifications
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
Abstract
本发明公开一种翻孔复合模，包括上模座、凸凹模、弯曲凹模、下模垫板和下模座，所述凸凹模设在上模座下方，所述弯曲凹模和下模垫板依次设在下模座上，所述凸凹模与弯曲凹模呈对应设置，所述上模座中部设置有模柄，所述模柄与上模座固定连接，所述弯曲凹模外侧设置有凹模座，所述凹模座与弯曲凹模固定连接，所述下模座中部设置有卸料螺栓，所述卸料螺栓与下模座螺纹连接，所述卸料螺栓外侧设置有弹簧一，所述卸料螺栓上设置有翻孔凸模和卸料块，所述卸料块设在翻孔凸模外侧，所述翻孔凸模上依次设置有推件块和弹簧二，该翻孔复合模提高了生产率，且降低了生产成本，产品质量也得到了改善，同时使得卸料更加方便。
Description
一种翻孔复合模
技术领域
[0001] 本发明涉及一种模具技术领域，特别是涉及一种翻孔复合模。
背景技术
[0002] 复合模是指冲床在一次行程中，完成落料、冲孔等多个工序的一种模具结构。生产 批量复合模可以成倍地提高生产效率，生产批量越大，提高生产效率就越显得重要。冲压工 件精度当冲压工件的尺寸精度或同轴度、对称度等位置精度要求较高时，应考虑采用复合 模。复合工序的数量一般复合模的复合工序数量在四工序以下，更多的工序将导致模具结 构过于复杂，同时模具的强度、刚度、可靠性也将随之下降，制造和维修更加困难。模具结构 的大小复合模的大小不同，其采用的结构和板块会有繁简的差异，而且脱料装置也不一样。 [0003]复合模是由外模和内模重叠在一起而形成的模化石。保存在沉积物中的生物遗体 (如双壳类的一个壳瓣)被溶蚀后，如果周围沉积物并未固结而仍具有塑性，由于上覆压力 使遗体溶蚀后所留空间上下压实而闭合，因此外模和内模叠置在一起，形成上下两个半块 各均有壳外表印痕(如壳饰)和壳内表印痕(如肌痕)的复合模。双壳类、腕足类化石中常见 有复合模。在外力作用下使坯料成为有特定形状和尺寸的制件的工具。广泛用于冲裁、模 锻、冷镦、挤压、粉末冶金件压制、压力铸造，以及工程塑料、橡胶、陶瓷等制品的压塑或注塑 的成形加工中。模具具有特定的轮廓或内腔形状，应用具有刃口的轮廓形状可以使坯料按 轮廓线形状发生分离(冲裁）。应用内腔形状可使坯料获得相应的立体形状。模具一般包括 动模和定模(或凸模和凹模)两个部分，二者可分可合。分开时取出制件，合拢时使坯料注入 模具型腔成形。模具是精密工具，形状复杂，承受坯料的胀力，对结构强度、刚度、表面硬度、 表面粗糙度和加工精度都有较高要求，模具生产的发展水平是机械制造水平的重要标志之 〇
[0004]模具除其本身外，还需要模座、模架、导向装置和制件顶出装置等，这些部件一般 都制成通用型。模具企业需要做大做精，要根据市场需求，及技术、资金、设备等条件，确定 产品定位和市场定位，这些做法尤其值得小型模具企业学习和借鉴，集中力量逐步形成自 己的技术优势和产品优势。所以，我国模具企业必须积极努力借鉴国外这些先进企业的经 验，以便其未来更好的发展。修饰，如果使用机械式水平锯锯掉塑件的夹持边，在高度方向 上，至少要有6〜8mm的余量。其他的修整工作，如磨削、激光切削或射流，也必须留有余量。 刀口模切割线间的间隙最小，冲孔模修整时的分布宽度也很小，这些都是要注意的。收缩和 变形，塑料易收缩(如PE)，有些塑件易变形，无论如何预防，塑件在冷却阶段都会发生变 形。在这种条件下，就要改变成型模具的外形来适应塑件的几何偏差。例如:尽管塑件壁保 管平直，但其基准中心已偏离l〇mm ;可以抬高模具底座，以调整这种变形的收缩量。收缩 量，在制造吸塑成型模具时一定要考虑到下列的收缩因素。成型制品收缩。如果不能清楚 地知，塑料的收缩率，则必须取样或用相似形状的模具通过试验来得到。注意:通过这种方 法只能得到收缩率，不能得到变形尺寸。中间介质的不利影响造成的收缩，如陶瓷、硅橡胶 等。模具所用材料的收缩，如铸造铝时的收缩。 LOOOS」目則现有的挨具零邰件加工制造比较困难，成本较高，并且凸凹模容易受到最小 壁厚的限制，而使得一些内孔间距、内孔与边缘间距较小的下件不宜采用，同时在卸料时， 由于工件产生弯曲变形，不容易取件。
发明内容
[0006]本发明要解决的技术问题是提供一种提高了生产率，且降低了生产成本，产品质 量也得到了改善，同时使得卸料更加方便的翻孔复合模。
[0007]为解决上述问题，本发明采用如下技术方案：
[0008] —种翻孔复合模，包括上模座、凸凹模、弯曲凹模、下模垫板和下模座，所述凸凹模 设在上模座下方，所述弯曲凹模和下模垫板依次设在下模座上，所述凸凹模与弯曲凹模呈 对应设置，所述上模座中部设置有模柄，所述模柄与上模座固定连接，所述弯曲凹模外侧设 置有凹模座，所述凹模座与弯曲凹模固定连接，所述下模座中部设置有卸料螺栓，所述卸料 螺栓与下模座螺纹连接，所述卸料螺栓外侧设置有弹簧一，所述卸料螺栓上设置有翻孔凸 模和卸料块，所述卸料块设在翻孔凸模外侧，所述翻孔凸模上依次设置有推件块和弹簧二。 [0009]作为优选，所述上模座两侧设置有导套。
[0010]作为优选，所述导套内设置有导柱。
[0011]作为优选，所述导柱与下模座扣合连接。
[0012]作为优选，所述上模座外侧设置有吊耳。
[0013]作为优选，所述吊耳与上模座固定连接。
[00 M]本发明要解决的另一技术问题是提供一种翻孔复合模的加工工艺。
[0015]为解决上述技术问题，本发明采用如下技术方案:包括以下步骤：
[0016] 1)将模柄与压力机连接，将工件放置在弯曲凹模上，启动压力机，凸凹模对工件施 加压力，翻孔凸模实现冲孔复合；
[0017] 2)压力机继续施加压力，使得工件在压紧的状态下分离，导柱保持工件受力位置 稳定，工件弯曲成形进而翻孔复合；
[0018] 3)转动卸料螺栓，弹簧一和弹簧二施加弹力，快速卸料。
[0019]本发明的有益效果是:设置的冲孔凸模和弯曲凹模为倒装式复合模结构，该模具 结构简单，便于操作，而且由于采用的是弹性卸料和弹性推件装置，使冲件始终在被压紧状 态下分离，故冲件平直度高，质量较好，弹簧一和弹簧二在冲裁时使板料始终在被压紧的状 态下分离，冲出来的零件平直度高，质量好，而且由于是弹性推件，模具工作时噪音小，有利 于工作环境的改善，同时采用落料，冲孔复合模，成形模，弯曲一翻孔复合模进行冲压生产， 提高了生产效率，产品质量也得到了很大的改善，并且设备资源得到充分有效地利用。
附图说明
[0020] 为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现 有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本 发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以 根据这些附图获得其他的附图。
[0021] 图1为本发明的一种翻孔复合模的结构图。
[0022]图2为本发明的一种翻孔复合模的俯视图。
具体实施方式
[0023]参阅图1和图2所示，一种翻孔复合模，包括上模座1、凸凹模2、弯曲凹模3、下模垫 板4和下模座5,所述凸凹模2设在上模座1下方，所述弯曲凹模3和下模垫4板依次设在下模 座5上，所述凸凹模2与弯曲凹模3呈对应设置，所述上模座1中部设置有模柄6,所述模柄6与 上模座1固定连接，所述弯曲凹模3外侧设置有凹模座7,所述凹模座7与弯曲凹模3固定连 接，所述下模座5中部设置有卸料螺栓8，所述卸料螺栓S与下模座5螺纹连接，所述卸料螺栓 8外侧设置有弹簧一 9，所述卸料螺栓8上设置有翻孔凸模10和卸料块11，所述卸料块11设在 翻孔凸模10外侧，所述翻孔凸模10上依次设置有推件块12和弹簧二13。
[0024] 所述上模座1两侧设置有导套14。
[0025]所述导套14内设置有导柱15。 t〇〇26]所述导柱15与下模座5扣合连接。
[0027] 所述上模座1外侧设置有吊耳16。
[0028] 所述吊耳16与上模座1固定连接。
[0029]本发明要解决的另一技术问题是提供一种翻孔复合模的加工工艺。
[0030] 为解决上述技术问题，本发明采用如下技术方案:包括以下步骤：
[0031] 1)将模柄6与压力机连接，将工件放置在弯曲凹模3上，启动压力机，凸凹模2对工 件施加压力，翻孔凸模10实现冲孔复合；
[0032] 2)压力机继续施加压力，使得工件在压紧的状态下分离，导柱保持工件受力位置 稳定，工件弯曲成形进而翻孔复合；
[0033] 3)转动卸料螺栓S，弹簧一 9和弹簧二13施加弹力，快速卸料。
[0034]在使用时，将模柄6与压力机连接，将工件放置在弯曲凹模3上，启动压力机，凸凹 模2对工件施加压力，翻孔凸模10实现冲孔复合，压力机继续施加压力，使得工件在压紧的 状态下分离，导柱保持工件受力位置稳定，工件弯曲成形进而翻孔复合，转动卸料螺栓8,弹 簧一 9和弹簧二13施加弹力，快速卸料。
[0035]本发明的有益效果是:设置的冲孔凸模和弯曲凹模为倒装式复合模结构，该模具 结构简单，便于操作，而且由于采用的是弹性卸料和弹性推件装置，使冲件始终在被压紧状 态下分离，故冲件平直度高，质量较好，弹簧一和弹簧二在冲裁时使板料始终在被压紧的状 态下分离，冲出来的零件平直度高，质量好，而且由于是弹性推件，模具工作时噪音小，有利 于工作环境的改^同时采用落料，冲孔复合模，成形模，弯曲一翻孔复合模进行冲压生产， 提高了生产效率，产品质量也得到了很大的改善，并且设备资源得到充分有效地利用。
[0036]以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何 不经过创造性劳动想到的变化或替换，都应涵盖在本发明的保护范围之内，因此，本发明的 保护范围应该以权利要求书所限定的保护范围为准。
Claims (1)
1. 一种翻孔复合模，其特征在于:包括上模座、凸凹模、弯曲凹模、下模垫板和下模座， 所述凸凹模设在上模座下方，所述弯曲凹模和下模垫板依次设在下模座上，所述凸凹模与 弯曲凹模呈对应设置，所述上模座中部设置有模柄，所述模柄与上模座固定连接，所述弯曲 凹模外侧设置有凹模座，所述凹模座与弯曲凹模固定连接，所述下模座中部设置有卸料螺 栓，所述卸料螺栓与下模座螺纹连接，所述卸料螺栓外侧设置有弹簧一，所述卸料螺栓上设 置有翻孔凸模和卸料块，所述卸料块设在翻孔凸模外侧，所述翻孔凸模上依次设置有推件 块和弹簧二，所述上模座两侧设置有导套，所述导套内设置有导柱，所述导柱与下模座扣合 连接，所述上模座外侧设置有吊耳，所述吊耳与上模座固定连接，该翻孔复合模的操作步 骤，包括以下步骤： 1) 将模柄与压力机连接，将工件放置在弯曲凹模上，启动压力机，凸凹模对工件施加压 力，翻孔凸模实现冲孔复合； 2) 压力机继续施加压力，使得工件在压紧的状态下分离，导柱保持工件受力位置稳定， 工件弯曲成形进而翻孔复合； 3) 转动卸料螺栓，弹簧一和弹簧二施加弹力，快速卸料。
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