WO2017035885A1 - 一种吹瓶机加热灯管 - Google Patents

一种吹瓶机加热灯管 Download PDF

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Publication number
WO2017035885A1
WO2017035885A1 PCT/CN2015/090665 CN2015090665W WO2017035885A1 WO 2017035885 A1 WO2017035885 A1 WO 2017035885A1 CN 2015090665 W CN2015090665 W CN 2015090665W WO 2017035885 A1 WO2017035885 A1 WO 2017035885A1
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WO
WIPO (PCT)
Prior art keywords
segment
section
preform
tube
filament
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Application number
PCT/CN2015/090665
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English (en)
French (fr)
Inventor
邹大群
刘青山
郭利民
范焕兰
盘荣锋
Original Assignee
广州达意隆包装机械股份有限公司
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Publication of WO2017035885A1 publication Critical patent/WO2017035885A1/zh

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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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/68—Ovens specially adapted for heating preforms or parisons

Definitions

  • the present invention relates to a heating lamp, and more particularly to a bottle blowing machine heating lamp.
  • the preform needs to be heated before it enters the mold cavity for blow molding.
  • the heating device for heating the preform is provided with a heating furnace, the heating furnace mainly comprises a heating lamp tube and a reflecting plate facing the side of the preform, and the infrared light emitted by the lamp directly irradiates the preform to heat it; On one side of the preform, the infrared light heats the preform entering the heating furnace through the reflection of the reflecting plate, and the preform walks straight in the heating process and keeps rotating to achieve uniform heating effect.
  • the heating furnace 500 is mainly composed of a lamp tube 200 and a reflection plate 4 00, 401.
  • the heating lamp tube is composed of a cylindrical glass tube, a filament, and two ends.
  • the terminal and the wire are composed, and the filament is located at the center of the cylindrical glass tube.
  • the reflection plates 400 and 401 are flat plates, and the circular arc surface of the lamp tube 200 facing away from the preform is covered with a coating 201 for reflecting light, and the distance d between the lamp tube 200 and the preform is adjustable, and the distance d ⁇ is adjusted.
  • the heat intensity of the preform 100 is changed.
  • the infrared light generated by the side of the filament facing the preform after the filament is energized can be heated directly onto the surface of the preform.
  • the infrared light generated on the side facing away from the preform is partially reflected by the coating 201 and heated to the preform, and a part passes through the coating 201 and is reflected by the reflection plate 400 and heats the preform through the preform.
  • the infrared light is reflected by the reflecting plate 401 on the other side of the preform, and then the preform is heated to form a plurality of repeated reflections in the heating furnace.
  • An object of the present invention is to provide a blower heating lamp, which has high light reflection efficiency and can more effectively improve the utilization of light energy.
  • a blow molding machine heating lamp tube comprises a tube body, wherein a filament is arranged in the tube body, and the cross section of the tube body is connected by a circular arc curve section facing the preform and connected to the arc curve segment. And consisting of a parabolic segment, a hyperbolic segment or an elliptical curve segment facing the preform, the filament being located at the focus of the parabolic segment, the hyperbolic segment or the elliptical curve segment, and the surface of the parabolic segment, the hyperbolic segment or the elliptical curve segment There is a coating that reflects light.
  • a blow molding machine heating lamp tube because a section of the cross section of the lamp tube body facing away from the preform is set in a parabolic, hyperbolic or elliptical curve shape, and the filament is placed on the parabola, At the focus of the hyperbolic segment or the elliptical curve segment, after the filament is energized, the portion of the infrared light b directly from the filament that is directed toward the preform passes through the circular arc of the tube and is directed to the surface of the preform to heat the preform.
  • Another part of the infrared light is reflected by the surface coating of the parabolic segment, the hyperbolic segment or the elliptical curve segment to form a parallel infrared beam a and passes through the arc segment and then illuminates the surface of the preform.
  • Heating the preform, this part of the parallel beam a is highly concentrated, and since the filament is always at the focus of the parabolic segment, the hyperbolic segment or the elliptical curve segment, the concentration of the partially reflected parallel infrared beam a does not
  • the distance between the tube and the preform changes, which ensures that the heating tube has good light reflection efficiency and can effectively improve the utilization of light energy.
  • a large amount of infrared light (the portion of the infrared light shown in the shaded portion of FIG. 1) is not wasted as in the case of a conventional heating lamp; the technical solution described in the patent application No. DE19724621A1 does not occur. It is generally necessary to make the reflector into a curved plate with a higher cost and not to adjust the distance between the lamp and the preform as needed (otherwise, the reflection efficiency is lowered). The small portion of the infrared refracted light c that passes through the coating is reflected by the reflector to the surface of the preform.
  • FIG. 1 is a schematic view showing the working state of a conventional blow molding machine heating apparatus.
  • FIG. 2 is a schematic view showing the working state of a conventional blowing machine heating device.
  • FIG 3 is a schematic view of a blower heater heating lamp of the present invention.
  • FIG. 4 is a schematic view showing the working state of the present invention.
  • the portion of the infrared light b generated by the filament 13 directly directed to the preform passes through the arc curve segment 11 of the tube and is directly incident on the surface of the preform 100 to heat the preform 100, and another portion of the infrared light (including The upward and downward shots are then reflected by the surface coating 2 of the parabolic segment 12, the hyperbolic segment or the elliptical curve segment to form a parallel infrared beam a and pass through the arc curve segment 11 and then irradiate the surface of the preform to the preform.
  • the concentration of the parallel beam a is high, and since the filament 2 is always at the focal point of the parabolic segment 12 or the elliptical curve segment, the concentration of the partially reflected parallel infrared beam a does not follow the tube
  • the distance D of the preform changes, and the distance D can be adjusted according to the heating requirement, which ensures that the heating lamp has good light reflection efficiency, can more effectively improve the utilization of light energy, and does not appear like a conventional heating lamp.
  • a large amount of infrared light (infrared light shown in the shaded portion of Fig. 1) is wasted; and the technical solution described in the patent application of the patent publication No. DE19724621 A1 does not occur.
  • the small portion of the infrared refracted light c transmitted through the coating 2 is reflected by the reflecting plate 200 to the surface of the preform 100, and the reflecting plate 200 may be a flat plate.
  • the tubular body 1 may be a straight, "U" or other shaped tubular body. It is a prior art and will not be described here.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

一种吹瓶机加热灯管，包括管体(1)，管体(1)内设有灯丝(13)，所述管体(1)的横截面由面向瓶胚(100)的圆弧曲线段(11)和与圆弧曲线段(11)相连且背向瓶胚(100)的抛物线段(12)、双曲线段或者椭圆曲线段组成，所述的灯丝(13)位于抛物线段(12)、双曲线段或者椭圆曲线段的焦点处，抛物线段(12)、双曲线段或者椭圆曲线段的表面设有能反射光线的涂层(2)。该灯管具有良好的光线反射效率，能更有效提高光能利用率。

Description

一种吹瓶机加热灯管
技术领域
[0001] 本发明涉及加热灯管， 特别是一种吹瓶机加热灯管。
背景技术
[0002] 瓶胚进入模具型腔进行吹塑成型之前， 需对瓶胚进行加热。 用于加热瓶胚的加 热设备中设有加热炉， 加热炉主要包括加热灯管和反射板， 面向瓶胚的一侧， 灯管发出的红外光线直接照射在瓶胚上对其加热； 背向瓶胚的一侧， 红外光线 则通过反射板的反射作用对进入加热炉中的瓶胚进行加热， 瓶胚在加热过程中 直线行走并保持自转以达到均匀受热的效果。
[0003] 如图 1所示， 为传统的吹瓶机加热设备， 其加热炉 500主要由灯管 200和反射板 4 00、 401组成， 加热灯管由圆筒形玻璃管、 灯丝、 两端端子及导线组成， 灯丝位 于圆筒形玻璃管的圆心位置。 反射板 400、 401为平板， 灯管 200背向瓶胚的一侧 圆弧面覆有可反射光线的涂层 201， 灯管 200到瓶胚的距离 d可调， 调整该距离 d 吋， 可改变瓶胚 100的受热强度。 灯丝通电后面向瓶胚的一侧产生的红外光线可 直射于瓶胚表面对其加热。 而背向瓶胚的一侧产生的红外光线， 一部分经涂层 2 01反射后对瓶胚加热， 一部分穿过涂层 201后被反射板 400反射并对瓶胚进行加 热， 而穿过瓶胚的红外光线则经瓶胚另外一侧的反射板 401反射后再对瓶胚进行 加热， 从而在加热炉内形成多次反复反射。 但是， 由光的反射和折射原理可知 ， 灯丝向上和向下射出的红外光线 （即阴影区域中灯管的灯丝发出的该部分红 外光线） ， 无法被反射向瓶胚， 而是直接向上和向下射出反射板和瓶胚之间所 形成的空间， 因而这部分红外光线无法照射到瓶胚 100上， 导致灯丝产生的红外 光线的利用率较低， 造成能源的浪费。
[0004] 为减少上述的能源浪费， 专利公幵号为 DE19724621A1的专利申请将传统的平 面反射板替换如图 2中所示的弧面反射板 400a， 并使灯管 200的中心位于其弧面反 射板 400a的焦点上， 可以有效的增加红外光线的利用率。 但是， 这种结构仍存在 不足， 原因在于： 若因生产要求， 灯管和瓶胚的距离需要调整吋， 灯管的中心 将不再位于弧面反射板的反射焦点上， 导致反射的光线发散， 得不到如图 2所示 的平行光束， 因此， 光线反射效率低， 而向上和向下发出的光线仍不能被利用 ， 最终导致红外光线的利用率降低， 且该反射板的加工费用较高。
技术问题
[0005] 本发明的目的在于提供一种吹瓶机加热灯管， 其光线反射效率高， 能更有效提 高光能利用率。
问题的解决方案
技术解决方案
[0006] 本发明所述的一种吹瓶机加热灯管， 包括管体， 管体内设有灯丝， 所述的管体 横截面由面向瓶胚的圆弧曲线段和与圆弧曲线段相连且背向瓶胚的抛物线段、 双曲线段或者椭圆曲线段组成， 所述的灯丝位于抛物线段、 双曲线段或者椭圆 曲线段的焦点处， 抛物线段、 双曲线段或者椭圆曲线段的表面设有能反射光线 的涂层。
发明的有益效果
有益效果
[0007] 本发明所述的一种吹瓶机加热灯管， 由于将灯管管体的横截面背向瓶胚的一段 设置成抛物线、 双曲线或者椭圆曲线形状， 并将灯丝设置在抛物线、 双曲线段 或者椭圆曲线段的焦点处， 灯丝通电后， 灯丝产生的直接射向瓶胚的那部分红 外光线 b透过灯管的圆弧曲线段后直射于瓶胚表面对瓶胚进行加热， 另一部分红 外光线 （包括向上和向下射出的） 则经抛物线段、 双曲线段或者椭圆曲线段的 表面涂层的反射后形成平行红外光束 a并穿过圆弧曲线段后照射于瓶胚表面对瓶 胚进行加热， 这部分平行光束 a集中度高， 且由于灯丝始终位于抛物线段、 双曲 线段或者椭圆曲线段的焦点处， 因此， 该部分反射的平行红外光束 a的集中度不 会随灯管和瓶胚的距离的变化而变化， 保证了加热灯管具有良好的光线反射效 率， 能更有效提高光能利用率。 不会如传统的加热灯管那样出现大量红外光线 (图 1阴影部分所示的那部分红外光线） 浪费的情况； 也不会出现如专利公幵号 为 DE19724621A1的专利申请所述的技术方案那般需将反射板制成造价较高的弧 形板且不能根据需要调节灯管与瓶胚的距离 （否则会降低反射效率） 的情况， 而透过涂层的那小一部分红外折射光线 c则通过反射板反射至瓶胚表面。
对附图的简要说明
附图说明
[0008] 图 1是传统的吹瓶机加热设备的工作状态示意图。
[0009] 图 2是现有的吹瓶机加热设备的工作状态示意图
[0010] 图 3是本发明的吹瓶机加热灯管的示意图。
[0011] 图 4是本发明的工作状态示意图。
本发明的实施方式
[0012] 如图 1所示， 本发明所述的一种吹瓶机加热灯管， 包括管体 1， 管体可由玻璃制 成， 管体 1内设有灯丝 13， 所述管体 1的横截面由面向瓶胚 100的圆弧曲线段 11和 与圆弧曲线段 11相连且背向瓶胚 100的抛物线段 12、 双曲线段或者椭圆曲线段组 成， 所述的灯丝 13位于抛物线段 12、 双曲线段或者椭圆曲线段的焦点处， 抛物 线段 12、 双曲线段或者椭圆曲线段的表面设有能反射光线的涂层 2， 该涂层可设 在抛物线段、 双曲线段或者椭圆曲线段的外表面。 灯丝 13通电后， 灯丝 13产生 的直接射向瓶胚的那部分红外光线 b透过灯管的圆弧曲线段 11后直射于瓶胚 100 表面对瓶胚 100进行加热， 另一部分红外光线 （包括向上和向下射出的） 则经抛 物线段 12、 双曲线段或者椭圆曲线段的表面涂层 2反射后形成平行红外光束 a并穿 过圆弧曲线段 11后照射于瓶胚表面对瓶胚进行加热， 这部分平行光束 a的集中度 高， 且由于灯丝 2始终位于抛物线段 12双曲线段或者椭圆曲线段的焦点处， 因此 ， 该部分反射的平行红外光束 a的集中度不会随灯管和瓶胚的距离 D的变化而变 化， 可根据加热需要调整距离 D， 保证了加热灯管具有良好的光线反射效率， 能 更有效提高光能利用率， 不会如传统的加热灯管那样出现大量红外光线 （图 1阴 影部分所示的红外光线） 浪费的情况； 也不会出现如专利公幵号为 DE19724621 A1的专利申请所述的技术方案那般需将反射板制成造价较高的弧形板且不能根 据需要调节灯管与瓶胚的距离 （否则会降低反射效率） 的情况。 而透过涂层 2的 那小一部分红外折射光线 c则通过反射板 200反射至瓶胚 100表面， 该反射板 200可 以为平板。 所述的管体 1可以为直线型、 "U"型或者其他型状的管体。 其为现有技术， 这里 不再进行赘述。

Claims

权利要求书
[权利要求 1] 一种吹瓶机加热灯管， 包括管体， 管体内设有灯丝， 其特征在于： 所 述的管体横截面由面向瓶胚的圆弧曲线段和与圆弧曲线段相连且背向 瓶胚的抛物线段、 双曲线段或者椭圆曲线段组成， 所述的灯丝位于抛 物线段、 双曲线段或者椭圆曲线段的焦点处， 抛物线段、 双曲线段或 者椭圆曲线段的表面设有能反射光线的涂层。
[权利要求 2] 根据权利要求 1所述的吹瓶机加热灯管， 其特征在于： 所述的管体可 以为直线型或者" U"型管体。
[权利要求 3] 根据权利要求 1所述的吹瓶机加热灯管， 其特征在于： 涂层设于抛物 线段、 双曲线段或者椭圆曲线段的外表面。
PCT/CN2015/090665 2015-08-28 2015-09-25 一种吹瓶机加热灯管 WO2017035885A1 (zh)

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TWI668532B (zh) * 2017-10-25 2019-08-11 虹光精密工業股份有限公司 用以將碳粉固定於列印媒體之定影裝置以及其列印設備

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JP4811000B2 (ja) * 2005-12-07 2011-11-09 ウシオ電機株式会社 光照射装置
CN2934895Y (zh) * 2006-07-31 2007-08-15 广东雪莱特光电科技股份有限公司 一种利用高强度放电产生红外辐射的装置

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CN204977411U (zh) * 2015-08-28 2016-01-20 广州达意隆包装机械股份有限公司 一种吹瓶机加热灯管

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