WO2018023948A1 - 葡萄保鲜剂缓释包装精准释放制孔装置及使用方法 - Google Patents

葡萄保鲜剂缓释包装精准释放制孔装置及使用方法 Download PDF

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WO2018023948A1
WO2018023948A1 PCT/CN2017/000476 CN2017000476W WO2018023948A1 WO 2018023948 A1 WO2018023948 A1 WO 2018023948A1 CN 2017000476 W CN2017000476 W CN 2017000476W WO 2018023948 A1 WO2018023948 A1 WO 2018023948A1
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Prior art keywords
laser
paper
release
grape
preservative
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PCT/CN2017/000476
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English (en)
French (fr)
Inventor
于晋泽
王文生
周长城
杨敦敦
董成虎
陈存坤
纪海鹏
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国家农产品保鲜工程技术研究中心（天津）
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Priority to CA3008921A priority Critical patent/CA3008921A1/en
Publication of WO2018023948A1 publication Critical patent/WO2018023948A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • B23K26/703—Cooling arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/40—Paper

Definitions

  • the invention relates to a grape release agent slow release packaging precision release hole making device and a use method thereof, belonging to the use of various advanced technologies such as mechanical, electronic, laser and sensing technology, and the invention is specially used for the precision release of grape fresh-keeping agent slow-release packaging. Release the hole making device.
  • Grapes are berry fruits.
  • the main problems that occur easily during storage and transportation are stem stalks, threshing and rot.
  • the targeted measures in storage and transportation are low temperature, high humidity and combined use of antiseptic preservatives.
  • Low temperature conditions are usually guaranteed by cold storage and refrigerated trucks.
  • High humidity is generally solved by plastic film packaging.
  • the antiseptic preservatives used are generally made of slow-release fresh-keeping tablets made of pyrosulfite as the main component, combined with special packaging paper and The precise opening on the surface enables the accurate and slow release of SO 2 , which can effectively achieve the purpose of antisepsis and preservation, without causing SO 2 gas damage to the grape fruit, and ensuring that the SO 2 residue of the pulp is within the scope permitted by the national standard. Therefore, controlling the release rate of SO 2 is one of the key links in the use of grape preservatives.
  • the ways to control the release rate of SO 2 are: the temperature and relative humidity of the grape preservation microenvironment, the formulation of the grape preservative, the shape, size and number of micropores on the grape preservative sustained release package.
  • the invention relates to a grape preservative slow release packaging precision release hole making device, which is to solve the precise hole making on the SO 2 sustained release grape preservative slow release package to ensure the precise and controllable release of SO 2 .
  • the device belongs to the precise release hole-making equipment which is invented by various advanced technologies such as mechanical, electronic, laser and sensing technology and is specially used for the slow release packaging of grape preservative.
  • Grape preservative slow release packaging precision release hole making device comprising: machine frame 1, winding and unwinding mechanical transmission mechanism 2, pulse laser generator 3, laser tube cooling system 4, soot and paper particle suction device 5;
  • the winding and unwinding mechanical transmission mechanism 2 is mounted on the machine frame 1.
  • the pulse laser generator 3 is vertically mounted on the machine frame perpendicular to the rack platform surface, and the laser tube cooling system 4 is installed below the rack operation platform. It is a closed cooling water circulation system, which cools the laser tube to ensure its normal operation.
  • the soot and paper dust suction device 5 is installed under the rack operating platform and the suction duct mouth is parallel to the platform surface, and is pumped by a vacuum pump and a pipe. Draw smoke and paper from laser holes Chips to keep the environment and the working face of the hole clean.
  • the magnetic winding brake 6, the tension controller 7, the rectifying mechanism 8, the encoder 9 and the frequency converter 10 are used in the winding and unwinding mechanical transmission mechanism of the present invention; the magnetic powder brake 6 is installed at both ends of the frame, and the tension controller 7 is installed in the middle of the rack, the correcting mechanism 8 is installed under the tension controller 7, the encoder is installed on the right side of the correcting mechanism 8, the frequency converter 10 is installed under the rack platform, and the wrapping paper path winds up the magnetic powder brake-encoder-correcting mechanism - Tension controller - unwinding magnetic powder controller, the encoder's rotation sensor that converts the rotational displacement into a series of digital pulse signals. These pulses can be used to control the angular displacement.
  • the encoder can obtain a speed signal, which is fed back to the frequency conversion.
  • a frequency converter is used to obtain different paper feed speeds.
  • the mechanical transmission mechanism can keep the paper force constant, the deviation is small, and adjust the winding and unwinding mechanical transmission speed as needed.
  • the pulsed laser generator 3 of the present invention is perpendicular to the surface of the gantry platform, and the generated laser beam is directed to the packaging sheet of the grape fresh-keeping sheet to obtain micropores of the required characteristic parameters.
  • the pulsed laser generator is a tubular CO 2 laser generator.
  • the frequency, pulse number and power can be adjusted manually to obtain the required aperture and hole density.
  • the laser generator can be made of glass or metal tube, generator power.
  • the range is 30-120w, and the laser hole diameter range is 0.02 ⁇ 1mm.
  • the laser tube cooling system 4 of the present invention is composed of a water tank, a water pump and a connecting pipe.
  • the heat of the laser generating tube is taken away by the cooling space of the laser generating tube jacket to maintain the working temperature of the laser tube not higher than 35 °C.
  • the soot and paper dust particle suction device 5 of the present invention is used for sucking smoke and paper dust generated during laser hole making to ensure the sanitation of the working environment and the cleanness of the laser focusing mirror.
  • the grape fresh-keeping agent sustained-release packaging precision release hole-making device of the invention ensures the accurate release of SO 2 on the slow-release type grape preservative slow-release packaging.
  • the invention further discloses a method for using a grape preservative slow release packaging precision release hole making device, which is characterized by the following steps:
  • the grape preservative slow release packaging precision release hole making device is characterized by: a machine frame, a winding and unwinding mechanical transmission mechanism, a pulse laser generator, a laser tube cooling system, a soot and a paper dust suction device.
  • the winding and unwinding mechanical transmission mechanism is mounted on the machine frame 1, and the magnetic powder brake and the tension controller are used in the mechanical transmission mechanism for winding and unwinding in order to ensure the smooth release of the unwinding packaging paper.
  • correcting mechanism encoder and frequency converter; wrapping paper path winding magnetic powder brake - encoder - correcting mechanism - tension controller - unwinding magnetic powder controller.
  • the encoder converts the rotational displacement into a series of digital pulse signal rotation sensors that can be used to control angular displacement.
  • the encoder can obtain a speed signal, which is fed back to the inverter to adjust the output of the inverter. In order to obtain different paper feed speeds, the mechanical transmission mechanism of the inverter can keep the paper force constant and the deviation is small.
  • the laser generator 3 is vertically mounted on the machine frame perpendicular to the surface of the rack platform;
  • the laser tube cooling system 4 is a closed cooling water circulation system for cooling the laser tube to ensure its normal operation;
  • the soot and paper dust suction system 5 Vacuum pump and pipe are used to suck off the dust and paper dust generated by the laser hole, and keep the environment and the working face of the hole clean.
  • the winding and unwinding mechanical transmission mechanism of the invention ensures that the running speed of the grape preservative slow-release wrapping paper is stable and uniform during the process of receiving and unwinding, and the roll paper is neat, and the magnetic powder brake, the tension controller and the correcting mechanism are used.
  • the sensor acts as a rotary sensor that converts rotational displacement into a series of digital pulse signals that can be used to control angular displacement.
  • the encoder can obtain a speed signal, which is fed back to the inverter to adjust the output of the inverter.
  • a frequency converter is used. Grape preservative slow release wrapping paper is 8cm wide and the maximum paper feeding speed is 1.6m/s.
  • the pulsed laser generator to which the present invention pertains is a tubular CO 2 laser generator whose frequency, pulse number and power can be artificially adjusted to obtain the desired aperture and hole density.
  • the laser generator can be selected from glass or metal tube type, the generator power range is 30-120w, and the laser hole diameter range is 0.02 ⁇ 1mm.
  • the laser tube cooling system of the invention comprises a circulating water cooling system composed of a water tank, a water pump and a connecting pipe, and the heat of the laser generating tube is taken away by the cooling space of the laser generating tube jacket, and the working temperature of the laser tube is maintained not higher than 35 ° C. .
  • the soot and paper dust suction system to which the present invention belongs is used for sucking smoke and paper dust generated during laser hole making to ensure the sanitation of the working environment and the cleanliness of the laser focusing mirror.
  • the invention further discloses that the disclosed method for using the grape preservative slow release packaging precision release hole making device is:
  • the grape preservative slow-release wrapping paper is installed on the unwinding gas rising shaft of the winding and unwinding mechanical transmission mechanism 2, and the paper head is wound on the winding roller through the relevant guiding wheel to keep the paper smooth and smooth;
  • the invention further discloses the application of the grape preservative slow-release packaging precision release hole-making device in ensuring the precise pore-forming of SO 2 on the sustained-release grape fresh-keeping agent slow-release packaging, and the experimental result shows that the precision of controlling the SO 2 gas concentration is obtained. Increase, the storage period is extended by 30 days, and the shelf life is extended by 2 days.
  • the existing conventional grape preservative slow-release packaging paper is not pre-made, and the grape fresh-keeping tablets are manually wrapped with a 2nd pin before use, which is time-consuming and cost-effective; the precision release hole device is in the grape
  • the prepreg tablet is made into a hole before packaging, which reduces the manual boring process before the preservative is used, and the cost is greatly reduced;
  • the precise release hole making device of the invention adopts precise positioning, precise quantity and size of holes, so that the controllable release property of the grape preservative SO 2 is greatly improved, and the quality and reliability of the grape preservation are improved.
  • Figure 2 is a schematic view showing the control of the winding and unwinding mechanical transmission mechanism
  • Machine frame 2. Winding and unwinding mechanical transmission mechanism;
  • Pulse laser generator 4. Laser tube cooling system
  • Grape preservative slow release packaging precision release hole making device including machine frame 1, winding and unwinding mechanical transmission mechanism 2, pulse laser generator 3, laser tube cooling system 4, soot and paper dust suction device 5;
  • the winding and unwinding mechanical transmission mechanism is mounted on the machine frame, and the pulse laser generator is vertically installed on the machine frame perpendicular to the rack platform surface, and the laser tube cooling system is installed under the rack operation platform, soot and paper dust
  • the suction device is installed under the rack operation platform and the suction pipe mouth is parallel to the platform surface.
  • the vacuum pump and the pipe are used to pump and absorb the dust and paper dust generated by the laser hole, thereby keeping the environment and the working face of the hole clean.
  • the magnetic powder brake, the tension controller, the correction mechanism, the encoder and the frequency converter are used in the winding and unwinding mechanical transmission mechanism; the magnetic powder brake is installed at both ends of the frame, the tension controller is installed in the middle of the rack, and the correction mechanism is installed.
  • the encoder is installed on the right side of the correcting mechanism, the inverter is installed under the rack platform; the wrapping paper path winds up the magnetic powder brake-encoder-correction mechanism-tension controller-unwinding magnetic powder controller, encoder A rotary sensor that converts rotational displacement into a series of digital pulse signals that can be used to control angular displacement.
  • the encoder can obtain a speed signal that is fed back to the frequency converter to adjust the output of the frequency converter for different travel. Paper speed, using a frequency converter.
  • the mechanical transmission mechanism can keep the paper force constant, the deviation is small, and adjust the winding and unwinding mechanical transmission speed as needed.
  • One end of the paper-plastic composite wrapping paper with a width of 8cm grape fresh-keeping tablet is installed on the air-up shaft of the unwinding wheel, and the other end is wound on the winding wheel through the guide wheel to keep the paper smooth and smooth.
  • the paper feed speed is controlled in the range of 0.5 to 1.6 m.
  • the grape preservative is packaged by a tablet packaging machine with a precision-made perforated wrapping paper.
  • the specifications are 2 pieces of fresh-keeping tablets of 0.5 g per package, and 4 micro-holes of 0.2 mm are distributed on the upper and lower sides of each package.
  • the post-harvest Kyoho grapes are placed in a porous plastic packaging box lined with a 0.03mm polyethylene storage bag, each bag containing 3.5 to 5kg of grapes, open the bag mouth, and pre-cooled in a cold storage at 0 °C until the temperature of the grape is 0. ⁇ 1 ° C, according to the dose of 2 packets per kilogram of grapes, put the slow-release grape preservative in the precision hole packaging, and store the bag at 0 ⁇ -1 temperature.
  • the content of the active ingredient of the preservative in the fresh-keeping bag is in the range of 15 to 25 ppm, the grape does not bleach, and the storage is for 4 months, and the rot loss is below 3%.
  • the use of the grape preservative slow release packaging precision release hole making device is as follows:
  • the grape preservative slow-release wrapping paper is installed on the unwinding gas rising shaft of the winding and unwinding mechanical transmission mechanism 2, and the paper head is wound on the winding roller through the relevant guiding wheel to keep the paper smooth and smooth;
  • the existing conventional grape preservative slow-release packaging paper is not pre-made, and the grape fresh-keeping tablets are manually wrapped with a 2nd pin before use, which is time-consuming and cost-effective; the precision release hole device is in the grape
  • the prepreg tablet is made into a hole before packaging, which reduces the manual boring process before the preservative is used, and the cost is greatly reduced;
  • the precise release hole making device of the invention adopts precise positioning, precise quantity and size of holes, so that the controllable release property of the grape preservative SO 2 is greatly improved, and the quality and reliability of the grape preservation are improved.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

一种葡萄保鲜剂缓释包装精准释放制孔装置，包括：机器架（1）、收卷和放卷机械传动机构（2）、脉冲激光发生器（3）、激光管冷却***（4）、烟尘和纸屑微粒抽吸装置（5），所述的收卷和放卷机械传动机构（2）安装在机器架（1）上，脉冲激光发生器（3）竖直安装在机器架（1）上与机架平台面垂直，激光管冷却***（4）是一个封闭的冷却水循环***，给激光管进行冷却，保证其正常工作，烟尘和纸屑微粒抽吸装置（5）采用真空泵和管道抽吸掉由于激光制孔产生的烟尘和纸屑，保持环境和制孔工作面的洁净。该装置减少了保鲜剂使用前人工扎孔工序，费用大幅降低，使可葡萄保鲜剂S0 2可控释放性大幅提高，提高了葡萄保鲜质量和可靠性。

Description

葡萄保鲜剂缓释包装精准释放制孔装置及使用方法 技术领域
本发明涉及一种葡萄保鲜剂缓释包装精准释放制孔装置及使用方法，属于采用机械、电子、激光及传感技术等多种先进技术，发明的专门用于葡萄保鲜剂缓释包装的精准释放制孔设备。
背景技术
葡萄是浆果类水果，采后贮运期间容易出现的主要问题是干梗、脱粒和腐烂，贮运中针对性的措施是低温、高湿、结合使用防腐保鲜剂。低温条件通常由冷库和冷藏车保证，高湿一般由塑料薄膜包装加以解决，而使用的防腐保鲜剂一般是由焦亚硫酸盐为主要成分制成缓释型保鲜片剂，结合专用包装纸和其上的精准开孔，实现SO2的精准缓慢释放，既可有效达到防腐保鲜的目的，又不使葡萄果实产生SO2气体伤害，且保证果肉SO2残留在国家标准许可的范围内。因此，控制SO2的释放速率是葡萄保鲜剂使用的关键环节之一。
控制SO2的释放速率的途径有：葡萄保鲜微环境的温度和相对湿度、葡萄保鲜剂的配方、葡萄保鲜剂缓释包装上的微孔形状、大小和个数。本发明涉及的葡萄保鲜剂缓释包装精准释放制孔装置，就是为了解决SO2缓释型葡萄保鲜剂缓释包装上的精准制孔，以保证SO2的精准可控释放。该装置属于采用机械、电子、激光及传感技术等多种先进技术发明的、专门用于葡萄保鲜剂缓释包装的精准释放制孔设备。
发明内容
为了解决SO2缓释型葡萄保鲜剂缓释包装上的精准制孔，以保证SO2的精准可控释放，本发明公开了了如下的技术内容：
葡萄保鲜剂缓释包装精准释放制孔装置，包括：机器架1、收卷和放卷机械传动机构2、脉冲激光发生器3、激光管冷却***4、烟尘和纸屑微粒抽吸装置5；所述收卷和放卷机械传动机构2安装在机器架1上，脉冲激光发生器3竖直安装在机器架上与机架平台面垂直，激光管冷却***4安装在机架操作平台下方，是一个封闭的冷却水循环***，给激光管进行冷却，保证其正常工作，烟尘及纸屑抽吸装置5安装在机架操作平台下方且吸风管道口与平台面平行，采用真空泵和管道抽、吸取由于激光制孔产生的烟尘和纸 屑，保持环境和制孔工作面的洁净。
本发明所述的收卷和放卷机械传动机构中使用了磁粉制动器6、张力控制器7、纠偏机构8、编码器9及变频器10；磁粉制动器6安装在机架两端，张力控制器7安装在机架中部，纠偏机构8安装在张力控制器7下方，编码器安装在纠偏机构8右边，变频器10安装在机架平台下方；包装纸途径收卷磁粉制动器-编码器-纠偏机构-张力控制器-放卷磁粉控制器，编码器的将旋转位移转换成一串数字脉冲信号的旋转传感器，这些脉冲能用来控制角位移，编码器能得到一个速度信号，这个信号要反馈给变频器，从而调节变频器的输出，为获得不同的走纸速度，采用了变频调速器。机械传动机构可以保持走纸张力恒定，偏差微小，并根据需要调节收卷和放卷机械传动速度。
本发明所述脉冲激光发生器3与机架平台面垂直，将发生的激光束射向葡萄保鲜片包装纸，制取所需要特征参数的微孔。脉冲激光发生器为管式CO2激光发生器，频长、脉冲数和功率可人为调节设置，以得到所需要的孔径和孔密度，激光发生器可选用玻璃式或金属管式，发生器功率范围为30～120w，激光制孔孔径范围为0.02～1mm。
本发明所述激光管冷却***4由水箱、水泵和连接管道组成，通过激光发生管外套的冷却空间，将激光发生管的热量带走，维持激光管的工作温度不高于35℃。
本发明所述烟尘和纸屑微粒抽吸装置5是用来抽吸激光制孔过程中产生的烟雾和纸屑，以保证工作环境的卫生和激光聚焦镜洁净。
本发明所述的葡萄保鲜剂缓释包装精准释放制孔装置在保证缓释型葡萄保鲜剂缓释包装上SO2的精准释放。
本发明进一步公开了葡萄保鲜剂缓释包装精准释放制孔装置的使用方法，其特征在于按如下的步骤进行：
(1)将葡萄保鲜剂缓释包装纸安装在收卷和放卷机械传动机构的放卷气涨轴上，将纸头通过相关的导向轮后缠绕在收卷棍上，保持纸张平整顺畅；
(2)调整变频器频率，逐步提高走纸速度至1m/s左右；
(3)开启激光管冷却***和烟尘及纸屑抽吸装置；
(4)开启脉冲激光发生器，并设定所要求的，频长、脉冲数和功率；
(5)检查制孔效果，并进行相关运行参数的调整。
本发明更加详细的描述如下：
葡萄保鲜剂缓释包装精准释放制孔装置，其特征在于包括：机器架、收卷和放卷机械传动机构、脉冲激光发生器、激光管冷却***、烟尘和纸屑抽吸装置。
所述的收卷和放卷机械传动机构安装在机器架1上，为保证收卷的缓释包装纸整齐、均一、紧密，收卷和放卷机械传动机构中使用了磁粉制动器、张力控制器、纠偏机构、编码器和变频器；包装纸途径收卷磁粉制动器-编码器-纠偏机构-张力控制器-放卷磁粉控制器。编码器将旋转位移转换成一串数字脉冲信号的旋转传感器，这些脉冲能用来控制角位移。编码器能得到一个速度信号，这个信号要反馈给变频器，从而调节变频器的输出，为获得不同的走纸速度，采用了变频调速器机械传动机构可以保持走纸张力恒定，偏差微小，并根据需要调节收卷和放卷机械传动速度。冲激光发生器3竖直安装在机器架上与机架平台面垂直；激光管冷却***4是一个封闭的冷却水循环***，给激光管进行冷却，保证其正常工作；烟尘及纸屑抽吸***5采用真空泵和管道抽吸掉由于激光制孔产生的烟尘和纸屑，保持环境和制孔工作面的洁净。
本发明的收卷和放卷机械传动机构，为保证在收、放卷过程中葡萄保鲜剂缓释包装纸运行速度平稳、均一，卷纸整齐，使用了磁粉制动器、张力控制器和纠偏机构及传感器，编码器的作用是一种将旋转位移转换成一串数字脉冲信号的旋转传感器，这些脉冲能用来控制角位移。编码器能得到一个速度信号，这个信号要反馈给变频器，从而调节变频器的输出，为获得不同的走纸速度，采用了变频调速器。葡萄保鲜剂缓释包装纸宽8cm，最大走纸速度为1.6m/s。
本发明所属的脉冲激光发生器为管式CO2激光发生器，频长、脉冲数和功率可人为调节设置，以得到所需要的孔径和孔密度。激光发生器可选用玻璃式或金属管式，发生器功率范围为30～120w，激光制孔孔径范围为0.02～1mm。
本发明所属激光管冷却***，由水箱、水泵和连接管道组成循环水冷却***，通过激光发生管外套的冷却空间，将激光发生管的热量带走，维持激光管的工作温度不高于35℃。
本发明所属的烟尘及纸屑抽吸***，是用来抽吸激光制孔过程中产生的烟雾和纸屑，以保证工作环境的卫生和激光聚焦镜洁净。
本发明更进一步公开了公开的葡萄保鲜剂缓释包装精准释放制孔装置的使用方法是：
(1)将葡萄保鲜剂缓释包装纸安装在收卷和放卷机械传动机构2的放卷气涨轴上，将纸头通过相关的导向轮后缠绕在收卷棍上，保持纸张平整顺畅；
(2)调整变频器频率，逐步提高走纸速度至1m/s左右；
(3)开启激光管冷却***4和烟尘及纸屑抽吸装置5；
(4)开启脉冲激光发生器2，并设定所要求的，频长、脉冲数和功率；
(5)检查制孔效果，并进行相关运行参数的调整。
本发明更进一步公开了葡萄保鲜剂缓释包装精准释放制孔装置在保证缓释型葡萄保鲜剂缓释包装上SO2的精准制孔方面的应用，实验结果显示：控制SO2气体浓度的精度提高，贮藏期延长30天，货架期延长2天。
本发明公开的葡萄保鲜剂缓释包装精准释放制孔装置，与现有设备和技术相比具有的技术效果在于：
(1)现有常规葡萄保鲜剂缓释包装纸不进行预先制孔，葡萄保鲜片剂包装后使用前靠人工用2号大头针人工扎眼，费时费共，精准性差；精准释放制孔装置在葡萄保鲜剂片剂包装前就对包装纸进行了制孔，减少了保鲜剂使用前人工扎孔工序，费用大幅降低；
(2)本发明的精准释放制孔装置，采用精准定位、精准数量和大小制孔，使可葡萄保鲜剂SO2可控释放性大幅提高，提高了葡萄保鲜质量和可靠性。
附图说明
图1葡萄保鲜剂缓释包装精准释放制孔装置示图
附图2收卷和放卷机械传动机构控制示意图；
附图中序号说明如下：
1.机器架；                 2.收卷和放卷机械传动机构；
3.脉冲激光发生器           4.激光管冷却***；
5.烟尘及纸屑抽吸***       6.磁粉制动器
7.张力控制器               8.纠偏机构
9.编码器                   10.变频器。
具体实施方式
下面通过具体的实施方案叙述本发明。除非特别说明，本发明中所用的技术手段均为本领域技术人员所公知的方法。另外，实施方案应理解为说明性的，而非限制本发明 的范围，本发明的实质和范围仅由权利要求书所限定。对于本领域技术人员而言，在不背离本发明实质和范围的前提下，对这些实施方案中的物料成分和用量进行的各种改变或改动也属于本发明的保护范围。本发明所用原料及试剂均有市售。
实施例1
葡萄保鲜剂缓释包装精准释放制孔装置，包括机器架1、收卷和放卷机械传动机构2、脉冲激光发生器3、激光管冷却***4、烟尘和纸屑微粒抽吸装置5；所述收卷和放卷机械传动机构安装在机器架上，脉冲激光发生器竖直安装在机器架上与机架平台面垂直，激光管冷却***安装在机架操作平台下方，烟尘及纸屑抽吸装置安装在机架操作平台下方且吸风管道口与平台面平行，采用真空泵和管道抽、吸取由于激光制孔产生的烟尘和纸屑，保持环境和制孔工作面的洁净。其中的收卷和放卷机械传动机构中使用了磁粉制动器、张力控制器、纠偏机构、编码器及变频器；磁粉制动器安装在机架两端，张力控制器安装在机架中部，纠偏机构安装在张力控制器下方，编码器安装在纠偏机构右边，变频器安装在机架平台下方；包装纸途径收卷磁粉制动器-编码器-纠偏机构-张力控制器-放卷磁粉控制器，编码器的将旋转位移转换成一串数字脉冲信号的旋转传感器，这些脉冲能用来控制角位移，编码器能得到一个速度信号，这个信号要反馈给变频器，从而调节变频器的输出，为获得不同的走纸速度，采用了变频调速器。机械传动机构可以保持走纸张力恒定，偏差微小，并根据需要调节收卷和放卷机械传动速度。
实施例2
将幅宽8cm葡萄保鲜片剂专用纸塑复合包装纸一端安装在放卷轮的气涨轴上，通过导向轮将另一端卷在收卷轮上，保持纸张平整顺畅。开启电源开关，调节变频器频率，逐步提高走纸速度至1m/s左右。走纸速度控制在0.5～1.6m范围。
同时开启激光发生器，并设定所要求的频长、脉冲数。开启激光管冷却***和烟尘及纸屑抽吸装置，观察设备运行电流、电压是否正常，正常电压为220V±5％，正常工作电流为0.6A。
观察打孔的孔径、整齐度、间距是否符合要求，并及时调整。打完一卷纸后，再重新上纸，设定的参数不再改变。
用精准制好孔的包装纸通过片剂包装机包装葡萄保鲜剂，规格为每包包装0.5g保鲜片剂2片，每包上下两面共分布0.2mm的微孔4个。
将采后的巨峰葡萄装入内衬0.03mm的聚乙烯保鲜袋的多孔塑料包装箱内，每袋装葡萄3.5～5kg，敞开袋口，在0℃的冷库内预冷至葡萄品温至0～1℃，按每公斤葡萄2包的剂量，放入精准制孔包装的缓释型葡萄保鲜剂，扎好袋口在0～-1温度下贮藏。经气体取样测定，保鲜袋内保鲜剂有效成分含量在15～25ppm范围，葡萄不发生漂白，贮藏4个月，腐烂损耗在3％以下。
实施例3
葡萄保鲜剂缓释包装精准释放制孔装置的使用方法如下：
(1)将葡萄保鲜剂缓释包装纸安装在收卷和放卷机械传动机构2的放卷气涨轴上，将纸头通过相关的导向轮后缠绕在收卷棍上，保持纸张平整顺畅；
(2)调整变频器频率，逐步提高走纸速度至1m/s左右；
(3)开启激光管冷却***4和烟尘及纸屑抽吸装置5；
(4)开启脉冲激光发生器2，并设定所要求的，频长、脉冲数和功率；
(5)检查制孔效果，并进行相关运行参数的调整。
实施例4
对比试验(以葡萄为例)
Figure PCTCN2017000476-appb-000001
结论：
(1)现有常规葡萄保鲜剂缓释包装纸不进行预先制孔，葡萄保鲜片剂包装后使用前靠人工用2号大头针人工扎眼，费时费共，精准性差；精准释放制孔装置在葡萄保鲜剂片剂包装前就对包装纸进行了制孔，减少了保鲜剂使用前人工扎孔工序，费用大幅降低；
(2)本发明的精准释放制孔装置，采用精准定位、精准数量和大小制孔，使可葡萄保鲜剂SO2可控释放性大幅提高，提高了葡萄保鲜质量和可靠性。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (8)

  1. 葡萄保鲜剂缓释包装精准释放制孔装置，包括：机器架(1)、收卷和放卷机械传动机构(2)、脉冲激光发生器(3)、激光管冷却***(4)、烟尘和纸屑微粒抽吸装置(5)；所述收卷和放卷机械传动机构(2)安装在机器架(1)上，脉冲激光发生器(3)竖直安装在机器架上与机架平台面垂直，激光管冷却***(4)安装在机架操作平台下方，是一个封闭的冷却水循环***，给激光管进行冷却，保证其正常工作，烟尘及纸屑抽吸装置(5)安装在机架操作平台下方且吸风管道口与平台面平行，采用真空泵和管道抽、吸取由于激光制孔产生的烟尘和纸屑，保持环境和制孔工作面的洁净。
  2. 根据权利要求1所述的葡萄保鲜剂缓释包装精准释放制孔装置，其特征在于收卷和放卷机械传动机构中使用了磁粉制动器(6)、张力控制器(7)、纠偏机构(8)、编码器(9)及变频器(10)；磁粉制动器(6)安装在机架两端，张力控制器(7)安装在机架中部，纠偏机构(8)安装在张力控制器(7)下方，编码器安装在纠偏机构(8)右边，变频器(10)安装在机架平台下方；包装纸途径收卷磁粉制动器-编码器-纠偏机构-张力控制器-放卷磁粉控制器，编码器的将旋转位移转换成一串数字脉冲信号的旋转传感器，这些脉冲能用来控制角位移，编码器能得到一个速度信号，这个信号要反馈给变频器，从而调节变频器的输出，为获得不同的走纸速度，采用了变频调速器。机械传动机构可以保持走纸张力恒定，偏差微小，并根据需要调节收卷和放卷机械传动速度。
  3. 根据权利要求1所述的葡萄保鲜剂缓释包装精准释放制孔装置，其特征在于脉冲激光发生器(3)与机架平台面垂直，将发生的激光束射向葡萄保鲜片包装纸，制取所需要特征参数的微孔。
  4. 根据权利要求1所述的葡萄保鲜剂缓释包装精准释放制孔装置，其特征在于脉冲激光发生器(3)为管式CO2激光发生器，频长、脉冲数和功率可人为调节设置，以得到所需要的孔径和孔密度，激光发生器可选用玻璃式或金属管式，发生器功率范围为30～120w，激光制孔孔径范围为0.02～1mm。
  5. 根据权利要求1所述的葡萄保鲜剂缓释包装精准释放制孔装置，其特征在于激光管冷却***(4)由水箱、水泵和连接管道组成，通过激光发生管外套的冷却空间，将激光发生管的热量带走，维持激光管的工作温度不高于35℃。
  6. 根据权利要求1所述的葡萄保鲜剂缓释包装精准释放制孔装置，其特征在于烟 尘和纸屑微粒抽吸装置(5)是用来抽吸激光制孔过程中产生的烟雾和纸屑，以保证工作环境的卫生和激光聚焦镜洁净。
  7. 一种权利要求1所述葡萄保鲜剂缓释包装精准释放制孔装置的使用方法，其特征在于按如下的步骤进行：
    (1)将葡萄保鲜剂缓释包装纸安装在收卷和放卷机械传动机构的放卷气涨轴上，将纸头通过相关的导向轮后缠绕在收卷棍上，保持纸张平整顺畅；
    (2)调整变频器频率，逐步提高走纸速度至1m/s左右；
    (3)开启激光管冷却***和烟尘及纸屑抽吸装置；
    (4)开启脉冲激光发生器，并设定所要求的，频长、脉冲数和功率；
    (5)检查制孔效果，并进行相关运行参数的调整。
  8. 权利要求1所述葡萄保鲜剂缓释包装精准释放制孔装置在保证缓释型葡萄保鲜剂缓释包装上SO2的精准释放。
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