WO2004060631A1 - Method and apparatus for injection molding a plastic diaphragm of filter press - Google Patents
Method and apparatus for injection molding a plastic diaphragm of filter press Download PDFInfo
- Publication number
- WO2004060631A1 WO2004060631A1 PCT/CN2003/001125 CN0301125W WO2004060631A1 WO 2004060631 A1 WO2004060631 A1 WO 2004060631A1 CN 0301125 W CN0301125 W CN 0301125W WO 2004060631 A1 WO2004060631 A1 WO 2004060631A1
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- WIPO (PCT)
- Prior art keywords
- mold
- injection molding
- plastic
- diaphragm
- plastic diaphragm
- Prior art date
Links
- 238000001746 injection moulding Methods 0.000 title claims description 101
- 238000000034 method Methods 0.000 title abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims description 48
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2725—Manifolds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/14—Filters
Definitions
- the hydraulic press is used for mold opening and closing, and the injection molding part of the injection molding machine is directly injection-molded into the hot runner molding mold. After cooling, the mold is opened to take the diaphragm. While greatly reducing investment in production equipment and greatly reducing production costs, its production efficiency has been greatly improved. The amount of product shield is stable and reliable, and the surface finish is high. It is particularly suitable for the production of large diaphragms. Fourth, it uses a plastic diaphragm with a hot runner function. The molding mold not only ensures It has good fluidity after the formation, and it has laid a good foundation for the formation of thin-walled or large or extra large plastic diaphragms.
- the combination of the hot runner molding mold and the injection molding part of the injection molding machine is the third feature of the present invention.
- the "S: meter" of this technical solution solves the problem that the existing injection molding machine is affected by its mold structure and cannot be injected into the filter press.
- the problems of plastic diaphragms, especially the injection molding of thin-walled plastic diaphragms, are solved.
- the hot runner molding mold adopts hydraulic press mold clamping and opening, and the injection part of the injection molding machine is the fourth feature of the present invention.
- the plastic diaphragm molding mold adopts two-stage mold clamping.
- the first mold clamping forms the cavity of the plastic diaphragm molding mold.
- the thickness of the cavity is larger than the actual size of the plastic diaphragm molding.
- the injection molding machine The injection part of the plastic injection mold is forced to be injected into the cavity of the plastic diaphragm, and the plastic diaphragm forming mold is quickly closed for the second time to uniformly squeeze the plasticized plastic in the cavity of the plastic diaphragm into each part of the cavity. After forming and cooling, the film can be taken out by opening the mold.
- Embodiment 2 On the basis of Embodiment 1, the hot runner 3 is made of a conductive heating material (the hot runner material itself has a function of self-heating after being energized, such as a heating ceramic, etc.) and the temperature is adjustable.
- a conductive heating material the hot runner material itself has a function of self-heating after being energized, such as a heating ceramic, etc.
- Example 6 Injection molding method of plastic diaphragm of filter press, hot runner molding mold 5 or molding mold 3 After the hydraulic press 4 is used to close the mold, the injection molding part 6 of the injection molding machine injects the plasticized plastic raw material into the molding cavity of the mold or passes The hot runners and nozzles in ⁇ are molded in the cavity, and after cooling and setting, the mold can be taken out by using an hydraulic press to open the mold.
- Embodiment 7 The plastic diaphragm of the filter press is injection-molded.
- the plastic diaphragm of the filter press is injection-molded using a plastic diaphragm molding mold 3 and an injection part 6 of the injection molding machine.
- the injection molding part 6 of the injection molding machine is the prior art.
- the injection mold of the plastic diaphragm itself has heating facilities or By external heating, the temperature is adjustable and constant.
- the constant temperature value is to ensure that the plastic (plasticized plastic) injected into the mold by the injection part of the injection molding machine can be extruded to various parts of the mold.
- the methods and devices for self-heating, external heating, temperature regulation, and constant temperature of the mold are all prior art, and will not be described here.
- Embodiment 8 The plastic diaphragm injection molding method of a filter press, the plastic diaphragm forming mold 3 adopts a two-stage mold clamping, and the first mold clamping forms the cavity of the plastic diaphragm molding mold, and the thickness of the cavity is larger than the actual size of the plastic diaphragm molding.
- the plastic diaphragm forming mold is fast-clamped twice to squeeze the plasticized plastic in the plastic diaphragm cavity evenly. Each part of the cavity is formed. After cooling and setting, the mold can be taken out to remove the diaphragm.
Abstract
The invention relates to a method for forming a plastic diaphragm and an apparatus for exercising the method. After the plastic material has been heated and plasticized by a injection machine, it is injected into a hot runner of a mold used for forming the plastic diaphragm through a heated nozzle to the cavity of the the plastic diaphragm forming mold. When it is cooled down,the mold is opened for removing the molded sheet. The invention has an advantage that the design of the injection hot-runner conveying structure ensure the material plasticized by a injection machine to uniformly flow in the whole plastic diaphragm forming cavity to achieve the thin-walled diaphragm of supramaxilmal width. The second is that the design of the hot-runner mold combining with the injection portion of the injection machine would solve the problems of the long production cycle and low efficiency and high cost and low smoothness, which exist in the background invention, especially solve the problem of the thin-walled diaphragm manufacturing.
Description
压滤机鹚料隔膜注塑成型法及设备 技术领域 Filter press molding material diaphragm injection molding method and equipment
本发明涉及一种塑料隔膜成型方法， 以及为实现该方法的设备， 属压 滤机隔膜及压滤机隔膜制造设备制造领域。 背景技术 The invention relates to a method for forming a plastic diaphragm and a device for realizing the method, and belongs to the field of filter press diaphragm and filter press diaphragm manufacturing equipment manufacturing equipment. Background technique
在现有的技术中， 加工制作塑料隔膜的工艺之一， 将塑料原料放入现 有的成型模中， 然后将成型模加热， 使塑料原料熔化后模压、 冷却成型。 此种工艺的不足之处： 一是采用此工艺生产隔膜， 生产周期长、 效率低， 成本高； 二是产品光洁度远不如注塑成型的产品光洁度高。 发明内容 In the prior art, one of the processes of manufacturing a plastic diaphragm is to put a plastic raw material into an existing molding die, and then heat the molding die to melt the plastic raw material and press it to cool and mold. Disadvantages of this process: First, the production of diaphragms using this process has a long production cycle, low efficiency, and high cost; and second, the product finish is much lower than that of injection molded products. Summary of the Invention
本发明的设计目的： 首先解决背景技术中存在不足之处， 提供一种将 现有塑料产品注塑成型法用于塑料隔膜的注塑成型 , 以解决背景技术存在 的光洁度差、 无法实现自动化注塑成型； 二是采用热流道成型模具与注塑 机的注塑部分相配合， 其塑料原料直接通过注塑机的注塑部分注入热流道 成型模具中成型、 冷却后开^^膜片， 不仅生产效率高、 产品光洁度好、 产品质量稳定可靠， 特别适用于薄壁隔膜的制作； 三是采用油压机开模和 合模、 注塑机的注塑部分直接向热流道成型模具注塑成型、 冷却后开模取 膜片， 达到了在大幅度降低生产设备投资、 大幅度降低生产成本的同时， 其生产效率大幅度地提高， 产品盾量稳定可靠、 表面光洁度高， 特别适用 于超大隔膜的制作； 四是采用具有热流道功能的塑料隔膜成型模具， 不仅 确保塑料原料塑化后的良好流动性， 而且为薄壁或大型的或特大型的塑料 隔膜的成型奠定了良好的基础。 The design purpose of the present invention is to first solve the shortcomings in the background technology and provide an injection molding method using an existing plastic product injection molding method for a plastic diaphragm, so as to solve the poor smoothness existing in the background technology and fail to realize automatic injection molding; The second is to use a hot runner molding mold to match the injection molding part of the injection molding machine. Its plastic raw materials are directly injected into the hot runner molding mold through the injection molding part of the injection molding machine, and the film is opened after cooling, which not only has high production efficiency and good product finish. The product quality is stable and reliable, especially suitable for the production of thin-walled diaphragms. Third, the hydraulic press is used for mold opening and closing, and the injection molding part of the injection molding machine is directly injection-molded into the hot runner molding mold. After cooling, the mold is opened to take the diaphragm. While greatly reducing investment in production equipment and greatly reducing production costs, its production efficiency has been greatly improved. The amount of product shield is stable and reliable, and the surface finish is high. It is particularly suitable for the production of large diaphragms. Fourth, it uses a plastic diaphragm with a hot runner function. The molding mold not only ensures It has good fluidity after the formation, and it has laid a good foundation for the formation of thin-walled or large or extra large plastic diaphragms.
设计方案： 为了实现上述设计目的。 ①将注塑机的注塑部分用于压滤 机塑料隔膜的注塑成型是本发明的特点之一， 目的经过注塑机的注塑部分 塑化后的塑料在强制注入塑料隔膜成型模具中快速注塑成型， 以实现本发 明的设计目的之一。 ②在现有塑料隔膜成型模具的基础上， 模具中增加热
流道保温输料结构的设计是本发明的特点之二， 目的保证注塑机的注塑部 分将其塑化后塑料能够均匀地 塑料隔膜成型腔内的各个部分， 以实现 超大幅面薄壁隔膜的制作。 热流道的作用： 由注塑机的注塑部分将塑化后 的塑料强制注入塑料隔膜的模具型腔的过程中，为了保证其良好的流动性， 在塑料通过的途径和塑料喷出的喷嘴中均设有加热保温结构， 以保证&^ 模具型腔中的塑料均匀， 从而为薄壁及超大幅面的隔膜制作打好基础。 ③ 将热流道成型模具与注塑机的注塑部分相结合是本发明的特点之三， 该技 术方案的" S:计 , 解决了背景技术存在的注塑机受其模具结构影响而无法注 塑压滤机塑料隔膜的难题， 特别是解决了薄壁塑料隔膜的注塑成型。 ④热 道成型模具采用油压机合模和开模、 釆用注塑机的注塑部分注料是本发明 的特点之四， 采用油压机合模和开模， 采用注塑机的注塑部分、 特别是采 用小型注塑机的注塑部分注料， 不仅大幅度地降低了设备投资、 大幅度地 降低了生产成本、 大幅度地提高生产效率， 而且产品质量稳定可靠， 产品 表面光洁度更好， 更重要的是解决了大幅面、 超薄壁塑料隔膜无法注塑成 型的难题。 ⑤塑料隔膜成型模具采用二级合模是本发明的特点之五， 第一 次合模构成塑料隔膜成型模具型腔， 该型腔的厚度大于成型塑料隔膜的实 际尺寸， 为塑料隔膜的注塑成型及注塑机的注塑部分快速注料提供了定量 的空间， 而塑料隔膜成型模具二次快速合模， 则确保了塑料隔膜型腔内的 塑化塑料均匀地挤压到型腔的各个部分， 实现塑料隔膜的快速注塑成型。 Design scheme: In order to achieve the above design goals. ① The injection molding part of the injection molding machine is used for the injection molding of the plastic diaphragm of the filter press, which is one of the features of the present invention. The purpose is to plasticize the plasticized part of the injection molding machine into the plastic diaphragm forming mold for rapid injection molding. One of the design goals of the present invention is achieved. ②In addition to the existing plastic diaphragm forming mold, increase the heat in the mold The design of the runner heat transfer material structure is the second feature of the present invention. The purpose is to ensure that after the plasticized part of the injection molding machine is plasticized, the plastic can uniformly distribute the parts in the plastic diaphragm molding cavity, so as to realize the production of ultra-large-format thin-walled diaphragms. . The role of the hot runner: In the process of forcibly injecting the plasticized plastic into the mold cavity of the plastic diaphragm from the injection part of the injection molding machine, in order to ensure its good fluidity, both the path through which the plastic passes and the plastic ejection nozzle are Equipped with heating and heat preservation structure to ensure that the plastic in the mold cavity is uniform, so as to lay the foundation for the production of thin-walled and ultra-large-sized diaphragms. ③ The combination of the hot runner molding mold and the injection molding part of the injection molding machine is the third feature of the present invention. The "S: meter" of this technical solution solves the problem that the existing injection molding machine is affected by its mold structure and cannot be injected into the filter press. The problems of plastic diaphragms, especially the injection molding of thin-walled plastic diaphragms, are solved. ④ The hot runner molding mold adopts hydraulic press mold clamping and opening, and the injection part of the injection molding machine is the fourth feature of the present invention. Mold and mold opening, using the injection part of the injection molding machine, especially the injection molding part of the small injection molding machine, not only significantly reduces equipment investment, greatly reduces production costs, greatly improves production efficiency, and products The quality is stable and reliable, and the surface finish of the product is better. More importantly, it solves the problem that large-format, ultra-thin-wall plastic diaphragms cannot be injection-molded. The secondary clamping constitutes the cavity of the plastic diaphragm forming mold. The thickness of the cavity is larger than the actual size of the plastic diaphragm. The injection molding of the plastic diaphragm and the rapid injection of the injection part of the injection molding machine provide a certain amount of space, and the second rapid clamping of the plastic diaphragm molding mold ensures that the plasticized plastic in the plastic diaphragm cavity is evenly squeezed into the cavity Each part realizes the rapid injection molding of the plastic diaphragm.
技术方案： Technical solutions:
①压滤机塑料隔膜注塑成型法， 压滤机塑料隔膜采用塑料隔膜成型模 具及注塑机的注塑部分注塑成型。 ① The plastic diaphragm injection molding method of the filter press. The plastic diaphragm of the filter press is injection molded using a plastic diaphragm molding mold and the injection molding part of the injection molding machine.
②压滤机塑料隔膜注塑成型法， 塑料原料通过注塑机的注塑部分加热 塑化后， 注入塑料隔膜成型模具中的热流道， 再经加热喷嘴进入塑料隔膜 模具型腔内成型、 冷却定型后开模即可取出膜片。 ② The plastic diaphragm injection molding method of the filter press. After the plastic raw materials are heated and plasticized through the injection part of the injection molding machine, they are injected into the hot runner in the plastic diaphragm molding mold, and then injected into the cavity of the plastic diaphragm mold through the heating nozzle to be molded. Mold to remove the diaphragm.
③用于压滤机塑料隔膜注塑成型的组合设备， 成型模具采用油压机合 模和开模、 采用注塑机注料^ V模具的型腔内成型、 冷却定型后开模即可 取出膜片。 ③ Combined equipment used for plastic diaphragm injection molding of filter presses. The forming mold is hydraulic mold clamping and opening. The injection molding machine is used for injection molding. V mold is used for cavity molding. After cooling and setting, the diaphragm can be taken out.
④压滤机塑料隔膜注塑成型法， 热流道成型模具或成型模采用油压机 合模后， 注塑机的注塑部分将塑化后的塑料原料注入模具的成型腔内或通
过模具中的热流道及喷嘴^模具的型腔内成型、 冷却定型后采用油压机 开模即可取出膜片。 ④The plastic diaphragm injection molding method of the filter press. After the hot runner molding mold or molding mold is closed by the hydraulic press, the injection molding part of the injection molding machine injects the plasticized plastic raw materials into the molding cavity of the mold. After passing through the hot runner and nozzle in the mold, forming the cavity in the mold, cooling and setting, and then opening the mold with an oil press, the membrane can be taken out.
⑤压滤机塑料隔膜注塑成型法， 塑料隔膜成型模具采用二级合模， 第 一次合模构成塑料隔膜成型模具型腔， 其型腔的厚度大于塑料隔膜成型的 实际尺寸， 此时注塑机的注塑部分强制将塑化后的塑料注入塑料隔膜的型 腔内的瞬间， 塑料隔膜成型模具二次快速合模， 将塑料隔膜型腔内的塑化 塑料均匀地挤压到型腔的各个部分成型， 冷却定型后开模即可取出膜片。 ⑤ Filter diaphragm plastic diaphragm injection molding method. The plastic diaphragm molding mold adopts two-stage mold clamping. The first mold clamping forms the cavity of the plastic diaphragm molding mold. The thickness of the cavity is larger than the actual size of the plastic diaphragm molding. At this time, the injection molding machine The injection part of the plastic injection mold is forced to be injected into the cavity of the plastic diaphragm, and the plastic diaphragm forming mold is quickly closed for the second time to uniformly squeeze the plasticized plastic in the cavity of the plastic diaphragm into each part of the cavity. After forming and cooling, the film can be taken out by opening the mold.
本发明与背景技术相比， 注塑热流道保温输料结构的设计， 保证注塑 机的注塑部分将其塑化后料能够均匀地进入塑料隔膜成型腔内的各个部 分， 以实现超大幅面 （如： 3000mm X 3000mm 以上）塑料薄壁隔膜的制 作； 二是热流道成型模具与注塑机的注塑部分相结合的设计， 解决了背景 技术存在的生产周期长、 效率低、 成本高和光洁度低的难题， 特别是解决 了薄壁塑料隔膜的制作； 三是热流道成型模具采用油压机合模和开模、 注 塑机的注塑部分的注料结构的设计， 不仅大幅度地降低了设备投资、 大幅 度地降低了生产成本、 大幅度地提高生产效率， 而且产品质量稳定可靠， 产品表面光洁度更好， 更重要的是解决了大幅面 3000mm x 3000mm以上 超薄壁压滤机塑料隔膜无法注塑成型的难题； 四是热流道成型模具采用油 压机合模和开模、采用注塑机注料的工艺可以用于压滤机塑料隔膜的制作； 五是塑料隔膜成型模具采用二级合模， 不仅将塑料隔膜型腔内的塑化塑料 均匀地挤压到型腔的各个部分成型， 而且实现塑料隔膜注塑快速成型的目 的， 解决了人们长期以来想要解决而没有解决的难题。 附图说明 Compared with the background art, the present invention, the design of the injection molding hot runner heat transfer material structure ensures that the plasticized part of the injection molding machine can be uniformly entered into the plastic diaphragm molding cavity after the plasticized material, so as to achieve ultra-large format (such as: 3000mm X 3000mm or more) production of plastic thin-walled diaphragm; the second is the design of the combination of the hot runner molding mold and the injection molding part of the injection molding machine, which solves the problems of long production cycle, low efficiency, high cost and low finish in the background technology. In particular, the production of thin-walled plastic diaphragms has been solved; the third is the design of the injection structure of the hot runner molding mold using hydraulic press clamping and opening, and the injection part of the injection molding machine, which not only greatly reduces equipment investment, but also greatly reduces The production cost is greatly improved, the production efficiency is greatly improved, and the product quality is stable and reliable, and the product surface finish is better. More importantly, it solves the problem that the plastic diaphragm of ultra-thin wall filter presses of large format 3000mm x 3000mm or more cannot be injection molded. The hot runner molding mold is closed and opened by hydraulic press, and injection molding machine is used. The process can be used to make the plastic diaphragm of the filter press. Fifth, the plastic diaphragm forming mold adopts two-stage mold clamping, which not only uniformly squeezes the plasticized plastic in the plastic diaphragm cavity to each part of the cavity, but also realizes The purpose of rapid injection molding of plastic diaphragms solves the problems that people have long wanted to solve without solving them. BRIEF DESCRIPTION OF THE DRAWINGS
图 1是塑料隔膜热流道成型模具的结构示意图。 FIG. 1 is a schematic structural diagram of a plastic diaphragm hot runner molding mold.
图 2是用于压滤机塑料隔膜注塑成型的组合设备方框示意图。 具体实施方式 Figure 2 is a block diagram of a combined device for injection molding of a plastic diaphragm of a filter press. detailed description
实施例 1: 参照附图 1。压滤机塑料隔膜注塑成型装置， 塑料隔膜采用 热流道成型模具注塑成型， 热流道模具由模具及位于模具内的热流道 1构 成。 模具 3的制作系现有技术， 热流道的结构可以是各种各样； 热源可以 是电加热（如电热丝加热）， 也可以是流体加热（如蒸汽、 水、 油等加热）
等； 加热的方式可以是外加热， 也可以是内加热， 还可是自热式； 但无论 是何种加热结构、 何种加热源、 何种加热方式， 其温度均可根据需要随时 设定、 自动控温。 温度的设定、 检测及自动控制等均系现有技术， 在此不 作叙述。 热¾道成型模具由模具及热流道 1构成， 热流道中的热喷嘴 2即 为模具型腔的进料口。 热流道有一个或一个以上的热喷嘴即为模具型腔进 料口、 有一个或一个以上的进料口、 有一条或一条以上的流道。 模具的加 工制作系现有技术， 在此不作叙述。 Example 1: Refer to FIG. 1. A plastic diaphragm injection molding device for a filter press, the plastic diaphragm is injection-molded using a hot runner mold, and the hot runner mold is composed of a mold and a hot runner 1 located in the mold. The manufacturing of the mold 3 is the prior art, and the structure of the hot runner can be various; the heat source can be electric heating (such as electric wire heating), or fluid heating (such as steam, water, oil, etc.) The heating method can be external heating, internal heating, or self-heating; but no matter what kind of heating structure, heating source, or heating method, the temperature can be set at any time according to need, Automatic temperature control. The temperature setting, detection, and automatic control are all prior art, and will not be described here. The hot ¾ channel forming mold is composed of a mold and a hot runner 1, and the hot nozzle 2 in the hot runner is the feeding port of the mold cavity. A hot runner with one or more hot nozzles is the mold cavity feed port, one or more feed ports, and one or more runners. The processing and manufacturing of the mold is the prior art and will not be described here.
实施例 2:在实施例 1的基础上，热流道 3采用导电发热材料制作（热 流道材料的本身具有通电后自发热的功能， 如发热陶瓷等）且温度可调。 Embodiment 2: On the basis of Embodiment 1, the hot runner 3 is made of a conductive heating material (the hot runner material itself has a function of self-heating after being energized, such as a heating ceramic, etc.) and the temperature is adjustable.
实施例 3: 压滤机塑料隔膜注塑成型工艺， 塑料原料通过注塑机的注 塑部分加热塑化后， 注入热流道成型模具中的热流道， 再经加热喷嘴进入 塑料隔膜模具型腔内成型、 冷却定型后开模即可取出模片。 Embodiment 3: The plastic diaphragm injection molding process of a filter press, after plasticizing the plastic raw material through the injection molding part of the injection molding machine, it is injected into the hot runner in the hot runner molding mold, and then enters the plastic diaphragm mold cavity through a heating nozzle for molding and cooling. After setting, the mold can be taken out by opening the mold.
实施例 4: 用于压滤机塑料隔膜注塑成型的组合设备， 热流道成型模 具 5采用油压机 4合模和开模、 采用注塑机的注塑部分 6注料。 油压机 4 为现有的油压机， 注塑机的注塑部分 6为现有的注塑机的注塑部分， 模具 3 为具有热流道的模具， 三者组合实现了压滤机塑料隔膜的注塑成型。 原 料经注塑机的注塑部分塑化后通过热流道及热喷嘴口直接注入模具的型腔 内成型、 冷却后用油压机开模取出隔膜片。 Embodiment 4: A combined device for injection molding of a plastic diaphragm of a filter press, a hot runner molding mold 5 using an oil press 4 for clamping and opening, and an injection part 6 using an injection molding machine. The hydraulic press 4 is an existing hydraulic press, the injection molding part 6 of the injection molding machine is an injection part of an existing injection molding machine, and the mold 3 is a mold with a hot runner. The combination of the three achieves the injection molding of the plastic diaphragm of the filter press. After the raw material is plasticized by the injection part of the injection molding machine, it is directly injected into the cavity of the mold through the hot runner and the hot nozzle opening for molding. After cooling, the diaphragm is opened with an oil press.
实施例 5: 用于压滤机塑料隔膜注塑成型的组合设备， 成型模具 3采 用油压机 4合模和开模、 采用注塑机的注塑部分 6注料。 油压机为现有的 油压机， 注塑机的注塑部分为现有注塑机的注塑部分， 模具为现有模具， 三者组合实现了压滤机塑料隔膜的注塑成型。 原料经注塑机的注塑部分塑 化后直接注入成型模具的型腔内成型、 冷却后用油压机开 出隔膜片。 Embodiment 5: A combined device for injection molding of a plastic diaphragm of a filter press. The forming mold 3 uses an oil press 4 to close and open the mold, and the injection part 6 of the injection molding machine is used for injection. The hydraulic press is an existing hydraulic press, the injection part of the injection molding machine is the injection part of the existing injection molding machine, and the mold is the existing mold. The combination of the three achieves the injection molding of the plastic diaphragm of the filter press. After the raw material is plasticized by the injection part of the injection molding machine, it is directly injected into the cavity of the forming mold for molding. After cooling, the diaphragm is opened with an oil press.
实施例 6:压滤机塑料隔膜注塑成型法，热流道成型模具 5或成型模 3 采用油压机 4合模后， 注塑机的注塑部分 6将塑化后的塑料原料注入模具 的成型腔内或通过 ^中的热流道及喷嘴^ ^的型腔内成型、 冷却定 型后采用油压机开模即可取出模片。 Example 6: Injection molding method of plastic diaphragm of filter press, hot runner molding mold 5 or molding mold 3 After the hydraulic press 4 is used to close the mold, the injection molding part 6 of the injection molding machine injects the plasticized plastic raw material into the molding cavity of the mold or passes The hot runners and nozzles in ^ are molded in the cavity, and after cooling and setting, the mold can be taken out by using an hydraulic press to open the mold.
实施例 7: 压滤机塑料隔膜注塑成型法， 压滤机塑料隔膜采用塑料隔 膜成型模具 3及注塑机的注塑部分 6注塑成型。 在本实施例中， 注塑机的 注塑部分 6为现有技术。 塑料隔膜的注塑成型模具的本身具有加热设施或
通过外加热的方式加热， 其温度可调、 可恒温， 其恒温值是为了保证注塑 机的注塑部分强制注入模具内的塑料（塑化后的塑料） 能够被挤压到模具 的各个部分。 模具的自身加热、 外加热、 调温、 恒温的方法及装置均系现 有技术， 在此不作叙述。 Embodiment 7: The plastic diaphragm of the filter press is injection-molded. The plastic diaphragm of the filter press is injection-molded using a plastic diaphragm molding mold 3 and an injection part 6 of the injection molding machine. In this embodiment, the injection molding part 6 of the injection molding machine is the prior art. The injection mold of the plastic diaphragm itself has heating facilities or By external heating, the temperature is adjustable and constant. The constant temperature value is to ensure that the plastic (plasticized plastic) injected into the mold by the injection part of the injection molding machine can be extruded to various parts of the mold. The methods and devices for self-heating, external heating, temperature regulation, and constant temperature of the mold are all prior art, and will not be described here.
实施例 8: 压滤机塑料隔膜注塑成型法， 塑料隔膜成型模具 3采用二 级合模， 第一次合模构成塑料隔膜成型模具型腔， 其型腔的厚度大于塑料 隔膜成型的实际尺寸， 此时注塑机的注塑部分 6强制将塑化后的塑料注入 塑料隔膜的型腔内的瞬间， 塑料隔膜成型模具二次快速合模， 将塑料隔膜 型腔内的塑化塑料均匀地挤压到型腔的各个部分成型， 冷却定型后开模即 可取出膜片。 Embodiment 8: The plastic diaphragm injection molding method of a filter press, the plastic diaphragm forming mold 3 adopts a two-stage mold clamping, and the first mold clamping forms the cavity of the plastic diaphragm molding mold, and the thickness of the cavity is larger than the actual size of the plastic diaphragm molding. At this moment, when the injection part 6 of the injection molding machine is forced to inject the plasticized plastic into the cavity of the plastic diaphragm, the plastic diaphragm forming mold is fast-clamped twice to squeeze the plasticized plastic in the plastic diaphragm cavity evenly. Each part of the cavity is formed. After cooling and setting, the mold can be taken out to remove the diaphragm.
应该理解到的是：虽然本发明采用上述实施例的方式进行了详细说明。 但这此实施例只是说明性的而非用于对本发明的限制， 任何不超出本发明 实质精神范围内的变化和改进都落入本发明的保护范围。
It should be understood that although the present invention has been described in detail in the manner of the above embodiments. However, this embodiment is merely illustrative and not intended to limit the present invention, and any changes and improvements that do not exceed the essential spirit of the present invention fall into the protection scope of the present invention.
Claims
1.一种压滤机塑料隔膜注塑成型法， 其特征是： 压滤机塑料隔膜采用 塑料隔膜成型模具及注塑机的注塑部分注塑成型。 1. A plastic diaphragm injection molding method for a filter press, characterized in that the plastic diaphragm of the filter press is injection molded using a plastic diaphragm molding mold and an injection molding part of the injection molding machine.
2.根据权利要求 1所述的压滤机塑料隔膜注塑成型法， 其特征是： 塑 料隔膜成型模具为可调恒温模具， 注塑机的注塑部分为卧式注塑或立式注 塑或角尺注塑。 The plastic diaphragm injection molding method for a filter press according to claim 1, characterized in that: the plastic diaphragm molding mold is an adjustable thermostatic mold, and the injection molding part of the injection molding machine is horizontal injection molding or vertical injection molding or square rule injection molding.
3.一种压滤机塑料隔膜注塑成型装置， 其特征是： 塑料隔膜采用热流 道成型模具及注塑机的注塑部分注塑成型。 3. An injection molding device for a plastic diaphragm of a filter press, characterized in that the plastic diaphragm is injection molded using a hot runner mold and an injection portion of an injection molding machine.
4.根据权利要求 3所述的压滤机塑料隔膜注塑成型装置， 其特征是： 热流道成型模具由模具及热流道构成， 热流道中的热喷嘴口即为模具型腔 的进料口； 热流道有一个或一个以上的热喷嘴、 有一个或一个以上的进料 口、 有一条或一条以上的热流道。 4. The plastic diaphragm injection molding device for a filter press according to claim 3, characterized in that: the hot runner molding mold is composed of a mold and a hot runner, and a hot nozzle opening in the hot runner is a feeding opening of a mold cavity; The channel has one or more hot nozzles, one or more inlets, and one or more hot runners.
5.根据权利要求 3所述的压滤机塑料隔膜注塑成型装置， 其特征是： 热流道采用导电发热材料制作且温度可调， 或热流道采用热源加热且温度 可调。 The plastic diaphragm injection molding device for a filter press according to claim 3, wherein the hot runner is made of a conductive heating material and the temperature is adjustable, or the hot runner is heated by a heat source and the temperature is adjustable.
6.一种压滤机塑料隔膜注塑成型法， 其特征是： 塑料原料通过注塑机 的注塑部分加热塑化后， 注入热流道成型模具中的热流道， 再经加热喷嘴 进入塑料隔膜模具型腔内成型、 冷却定型后开模即可取出膜片。 6. A plastic diaphragm injection molding method for a filter press, characterized in that: after the plastic raw material is heated and plasticized through the injection part of the injection molding machine, it is injected into the hot runner in the hot runner molding mold, and then enters the plastic diaphragm mold cavity through a heating nozzle. After the inner molding and cooling, the mold can be taken out to open the mold.
7.一种压滤机塑料隔膜注塑成型法， 其特征是： 塑料隔膜成型模具采 用二级合模， 笫一次合模构成塑料隔膜成型模具型腔， 其型腔的厚度大于 塑料隔膜成型的实际尺寸， 此时注塑机的注塑部分强制将塑化后的塑料注 入塑料隔膜的型腔内的瞬间， 塑料隔膜成型模具二次快速合模， 将塑料隔 膜型腔内的塑化塑料均匀地挤压到型腔的各个部分成型， 冷却定型后开模 即可取出膜片。 7. A plastic diaphragm injection molding method for a filter press, characterized in that the plastic diaphragm forming mold adopts two-stage clamping, and the plastic diaphragm forming mold cavity is formed by one-shot clamping, and the thickness of the cavity is greater than the actual thickness of the plastic diaphragm forming. At this moment, the injection part of the injection molding machine is forced to inject the plasticized plastic into the cavity of the plastic diaphragm, and the plastic diaphragm forming mold is quickly closed for the second time to uniformly squeeze the plasticized plastic in the plastic diaphragm cavity. Mold in all parts of the cavity. After cooling and setting, open the mold to take out the diaphragm.
8.一种压滤机塑料隔膜注塑成型法， 其特征是： 热流道成型模具或成 型模采用油压机合模后 , 注塑机的注塑部分将塑化后的塑料原料注入模具 的成型腔内或通过模具中的热流道及喷嘴 ¾V模具的型腔内成型、 冷却定
型后采用油压机开模即可取出膜片。 8. A plastic diaphragm injection molding method for a filter press, characterized in that: after the hot runner molding mold or molding mold is closed by an oil press, the injection molding part of the injection molding machine injects the plasticized plastic raw material into the molding cavity of the mold or passes through Hot runners and nozzles in the mold ¾V cavity molding and cooling After molding, the hydraulic diaphragm can be used to open the mold to remove the diaphragm.
9.一种用于压滤机塑料隔膜注塑成型的組合设备， 其特征是： 热流道 成型模具采用油压机合模和开模、 采用注塑机的注塑部分注料。 9. A combined device for injection molding of a plastic diaphragm of a filter press, characterized in that: the hot runner molding mold is closed and opened by an hydraulic press, and the injection part of the injection molding machine is injected.
10. 一种用于压滤机塑料隔膜注塑成型的組合设备， 其特征是： 成型 模具采用油压机合模和开模、 采用注塑机的注塑部分将塑化后的塑料注料 进入模具的型腔内成型、 冷却定型后开模即可取出膜片。
10. A combined device for injection molding of a plastic diaphragm of a filter press, which is characterized in that: the molding mold is closed and opened by an oil press, and the injection molding part of the injection molding machine is used to inject the plasticized plastic material into the cavity of the mold After the inner molding and cooling, the mold can be taken out to open the mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003292873A AU2003292873A1 (en) | 2003-01-03 | 2003-12-26 | Method and apparatus for injection molding a plastic diaphragm of filter press |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03101314 CN1274480C (en) | 2002-10-22 | 2003-01-03 | Injection moulding process and apparatus for plastic diaphragm of press filter |
| CN03101314.7 | 2003-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004060631A1 true WO2004060631A1 (en) | 2004-07-22 |
Family
ID=32686830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2003/001125 WO2004060631A1 (en) | 2003-01-03 | 2003-12-26 | Method and apparatus for injection molding a plastic diaphragm of filter press |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU2003292873A1 (en) |
| WO (1) | WO2004060631A1 (en) |
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| CN102179900A (en) * | 2010-12-31 | 2011-09-14 | 杭州兴源过滤科技股份有限公司 | Forming die and forming method for nano-diaphragm special for filter press |
| CN102179892A (en) * | 2010-12-31 | 2011-09-14 | 杭州兴源过滤科技股份有限公司 | Nanometer filter plate forming mould special for filter press and forming method thereof |
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- 2003-12-26 AU AU2003292873A patent/AU2003292873A1/en not_active Abandoned
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| JPS61290024A (en) * | 1985-06-19 | 1986-12-20 | Hitachi Ltd | Mold for molding plastic lens |
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| Publication number | Publication date |
|---|---|
| AU2003292873A1 (en) | 2004-07-29 |
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