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連續(xù)高速取袋給袋技術(shù)研究

發(fā)布時(shí)間:2018-05-27 17:18

  本文選題:取袋裝置 + 連續(xù)高速 ; 參考:《江南大學(xué)》2014年碩士論文


【摘要】:取袋裝置是一種用于預(yù)制袋包裝機(jī)上的簡(jiǎn)單機(jī)械裝置,其一般用于諸如臥式袋裝機(jī)、直線立式袋裝機(jī)以及回轉(zhuǎn)立式袋裝機(jī)的取袋給袋。目前的取袋技術(shù)主要是通過(guò)取袋機(jī)構(gòu)帶動(dòng)真空吸盤做往復(fù)擺動(dòng)或直線運(yùn)動(dòng)將袋子從袋庫(kù)中取出放到下一工位再原路返回到取袋工位的方式,這樣的取袋裝置一般速度低下,當(dāng)袋裝機(jī)的裝袋速度有進(jìn)一步提高時(shí),現(xiàn)有的取袋裝置就不再適用。因此,需要改變現(xiàn)有的往復(fù)取袋的取袋形式,設(shè)計(jì)可以在一款連續(xù)高速條件下工作的取袋裝置。論文的研究?jī)?nèi)容如下: (1)對(duì)現(xiàn)有的預(yù)制袋的類型結(jié)構(gòu)以及使用的場(chǎng)合進(jìn)行了分析,確定了可以用于預(yù)制袋包裝機(jī)的各種預(yù)制袋的類型;從供送速度、供送方式等角度對(duì)現(xiàn)有的各種片材供送裝置進(jìn)行了分析,依次說(shuō)明了這些片材供送的工藝方法對(duì)復(fù)合預(yù)制袋的適應(yīng)性;從預(yù)制袋的挺度以及自身尺寸的角度進(jìn)行分析,確定了可以用于連續(xù)高速取袋系統(tǒng)的預(yù)制袋必須滿足的條件。 (2)確定了取袋真空吸盤可能的運(yùn)動(dòng)軌跡并從中選擇了最適合于連續(xù)高速取袋系統(tǒng)的運(yùn)動(dòng)軌跡;基于確定的運(yùn)動(dòng)軌跡結(jié)合取袋吸盤取袋送袋與各種類型包裝機(jī),得到吸盤在取袋和放袋位置的局部軌跡;確定軌跡的類型,進(jìn)一步得到兩種形成此軌跡的機(jī)構(gòu),并從中選擇更合適的機(jī)構(gòu);對(duì)得到的運(yùn)動(dòng)機(jī)構(gòu)進(jìn)行結(jié)構(gòu)參數(shù)優(yōu)化,進(jìn)一步對(duì)其進(jìn)行了運(yùn)動(dòng)仿真分析;討論了系統(tǒng)的取袋能力。 (3)對(duì)真空吸盤取袋的基本技術(shù)進(jìn)行了分析,其中包括真空吸盤的類型以及選擇、吸盤吸取物品的基本靜力學(xué)以及動(dòng)力學(xué)分析、真空取袋頭袋庫(kù)取袋受力分析;針對(duì)不同規(guī)格的袋子,,進(jìn)行了真空取袋頭的設(shè)計(jì);對(duì)真空分配的工藝方案進(jìn)行了討論,得到三種可行的真空分配方式并陳述了各自的優(yōu)缺點(diǎn)。 (4)針對(duì)一種分氣工藝對(duì)虛擬樣機(jī)進(jìn)行設(shè)計(jì),對(duì)真空吸盤在袋庫(kù)的局部細(xì)節(jié)運(yùn)動(dòng)進(jìn)行了模擬分析,進(jìn)一步確定取袋頭與取代時(shí)間的關(guān)系;分析真空氣道、真空氣管以及真空吸盤形成額定真空所需要的時(shí)間,將以上兩者進(jìn)行比較,已驗(yàn)證在確定的取袋頭數(shù)的情況下,裝置能否達(dá)到所需的速度。
[Abstract]:The bag picking device is a simple mechanical device used for the prefabricated bag packing machine, which is usually used in the bag feeding bag such as the horizontal bag machine, the vertical vertical bag machine and the rotary vertical bag machine. When the next station and the original way return to the bag taking work position, this kind of bag picking device is generally low. When the bag loading speed of the bag is further improved, the existing bag picking device is no longer applicable. Therefore, it is necessary to change the existing bag taking form and design the bag for working in a continuous and high speed condition. The research contents of the thesis are as follows:
(1) the type structure of the existing prefabricated bags and the situation of the use are analyzed, and the types of prefabricated bags that can be used for prefabricated bag packaging machines are determined. From the angle of feeding speed and supply way, the existing various sheet feeding devices are analyzed, and the process methods of these sheets are explained in turn to the composite prefabrication. The adaptability of the bag is analyzed from the stiffness of the prefabricated bag and the angle of its own size to determine the conditions that the prefabricated bags that can be used in the continuous high speed bag taking system must be satisfied.
(2) the possible trajectory of the bag vacuum suction cup is determined and the motion trajectory is selected most suitable for the continuous high-speed bag taking system. Based on the determined trajectory, the bag suction bag and various types of packaging machines are combined to obtain the local trajectory of the suction disc in the position of the bag and the bag, and the type of the trajectory is determined to get two further. The mechanism of this trajectory is formed, and the more suitable mechanism is selected from it. The structure parameters of the moving mechanism are optimized, and the motion simulation analysis is carried out to the system, and the bag taking ability of the system is discussed.
(3) the basic technology of vacuum sucker bag taking is analyzed, including the type and selection of vacuum sucker, the basic statics and dynamics analysis of the sucker sucker, the force analysis of the bag collecting bag in the vacuum bag head bag; the design of the true empty bag head is carried out for the bags of different specifications; the process scheme for the vacuum distribution is introduced. After discussion, three feasible ways of vacuum allocation are obtained, and their advantages and disadvantages are stated.
(4) aiming at the design of a virtual prototype for a gas separation process, the local detail movement of the vacuum sucker in the bag reservoir is simulated and analyzed, and the relationship between the bag head and the replacement time is further determined. The time needed for the vacuum inlet, the vacuum trachea and the vacuum sucker to form the rated vacuum is analyzed, and the above two are compared. If the number of bags is determined, can the device reach the required speed?
【學(xué)位授予單位】:江南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TB486

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