JP5312198B2 - How to clean the marking surface of the tablet - Google Patents
How to clean the marking surface of the tablet Download PDFInfo
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- JP5312198B2 JP5312198B2 JP2009124953A JP2009124953A JP5312198B2 JP 5312198 B2 JP5312198 B2 JP 5312198B2 JP 2009124953 A JP2009124953 A JP 2009124953A JP 2009124953 A JP2009124953 A JP 2009124953A JP 5312198 B2 JP5312198 B2 JP 5312198B2
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- 238000004140 cleaning Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 32
- 238000005498 polishing Methods 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 10
- 244000144730 Amygdalus persica Species 0.000 claims description 4
- 244000018633 Prunus armeniaca Species 0.000 claims description 4
- 235000009827 Prunus armeniaca Nutrition 0.000 claims description 4
- 235000006040 Prunus persica var persica Nutrition 0.000 claims description 4
- 240000008042 Zea mays Species 0.000 claims description 4
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 4
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 235000005822 corn Nutrition 0.000 claims description 4
- 240000007049 Juglans regia Species 0.000 claims description 3
- 235000009496 Juglans regia Nutrition 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000020234 walnut Nutrition 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 239000003082 abrasive agent Substances 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0082—Dust eliminating means; Mould or press ram cleaning means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
本発明は、打錠杵の刻印面の洗浄方法に関し、錠剤に刻印するための打錠杵の刻印面の洗浄方法の改良に関する。 The present invention relates to a method for cleaning a marking surface of a tableting punch, and relates to an improvement in a method for cleaning the marking surface of a tableting punch for stamping a tablet.
錠剤に、その錠剤を特定するマーク、符号、記号、番号などを刻印するために打錠杵が用いられている。打錠杵は、金属製の太い円柱部と、その先端の細い円柱部からなり、細い円柱部の先端面には刻印すべきマークや番号などが凸部として設けられていて、この先端面は刻印面として機能する。打錠をある程度(10万回〜20万回)繰り返すと、刻印面の凸部の周辺や刻印面の平坦部などに錠剤の粉末やカスが付着し、凸部が鮮明でなくなり、刻印が適切にできなくなる。 A tableting punch is used for imprinting a mark, a code, a symbol, a number and the like specifying the tablet on the tablet. The tablet punch is composed of a thick metal cylinder and a thin cylinder at its tip, and the tip of the thin cylinder is provided with a mark or number to be engraved as a convex part. It functions as a marking surface. When tableting is repeated to some extent (100,000 to 200,000 times), tablet powder or residue adheres to the periphery of the convex part of the engraved surface or the flat part of the engraved surface, the convex part is not clear, and the engraving is appropriate It becomes impossible to.
そこで、刻印面を清掃・洗浄して、凸部周辺や刻印面の平坦部などに付着した、錠剤の粉末やカスを取り除く必要がある。従来は、図6に示すように、ハッチングで示す研磨材により打錠杵の刻印面に付着した粉末やカスを研磨・洗浄したり、あるいは他の方法として、図7に示すように、バフ研磨により打錠杵の刻印面の清掃を行っていた。例えば、第一実業株式会社が製作・販売する「全自動杵研磨装置」では、十数本の打錠杵を回転シャフトの先端に取り付けた回転板に垂直に取り付け、回転シャフトが回転することにより、打錠杵の刻印面が研磨材と摩擦されて洗浄される。 Therefore, it is necessary to clean and wash the marking surface to remove the tablet powder and residue attached to the periphery of the convex portion or the flat portion of the marking surface. Conventionally, as shown in FIG. 6, the powder or residue adhering to the engraving surface of the tablet punch is polished and washed with an abrasive shown by hatching, or as another method, buffing as shown in FIG. The engraved surface of the tableting punch was cleaned. For example, in the “Fully Automatic Abrasive Polishing Machine” produced and sold by Daiichi Jitsugyo Co., Ltd., dozens of tableting punches are attached vertically to a rotating plate attached to the tip of the rotating shaft, and the rotating shaft rotates. The marking surface of the tablet punch is rubbed with the abrasive and cleaned.
下記の特許文献1には、打錠杵などの浸炭処理後の表面へのススの付着と最表層部の酸化による黒色化の対策としてバフ研磨やバレル研磨を行うこと及び所定溶液の酸に浸漬して表面洗浄することが開示されているが、刻印面の洗浄についての開示はない。
In the following
かかる従来の研磨材やバフ研磨による方法では、十分に粉末やカスが除去できなかった。そのため、錠剤へのその後の刻印が不鮮明となってしまうことがあった。また、かかる従来の方法中、刻印面のみを洗浄する方法では、刻印面以外の部分は汚れたままであった。そのため刻印面以外の部分に付着した粉末やカスが二次的に刻印面を汚す原因となったり、作業環境を悪化させるなどの問題点があった。 Such a conventional abrasive or buffing method could not sufficiently remove powder and debris. Therefore, the engraving on the tablet may become unclear. Further, in the conventional method, in the method of cleaning only the marking surface, the portions other than the marking surface remain dirty. For this reason, there have been problems such as powder and debris adhering to portions other than the engraved surface that cause the engraved surface to be secondarily contaminated, and the working environment is deteriorated.
したがって、本発明は、打錠杵の刻印面の凸部周辺や刻印面の平坦部に付着した粉末やカスを効率よく除去できるとともに、刻印面以外の他の部分も同時に洗浄することが可能な打錠杵の刻印面の洗浄方法を提供することを目的とする。 Therefore, the present invention can efficiently remove the powder and debris adhering to the periphery of the convex part of the marking surface of the tableting punch and the flat part of the marking surface, and can simultaneously clean other parts other than the marking surface. It aims at providing the washing | cleaning method of the marking surface of a tableting punch.
上記目的を達成するため、本発明の打錠杵の刻印面の洗浄方法は、洗浄すべき1本の打錠杵と、乾式研磨材と、添加剤とを、同時にあるいは所定の順序で、高速遠心バレル研磨機に一緒に投入し、前記高速遠心バレル研磨機を所定時間回転させることにより、前記打錠杵の前記刻印面を洗浄するものである。
To achieve the above object, a method of cleaning engraved surface of the tableting punch of the present invention, one of the tablet punch to be cleaned, the dry abrasive material, and an additive, simultaneously or in a predetermined order, fast The engraved surface of the tablet punch is cleaned by putting together into a centrifugal barrel polishing machine and rotating the high-speed centrifugal barrel polishing machine for a predetermined time.
前記添加剤として、研磨材であるコンパウンドを用いることは本発明の好ましい態様である。 It is a preferred embodiment of the present invention to use a compound that is an abrasive as the additive.
また前記乾式研磨材として、アプリコットの種子(核)、ピーチの種子(核)、クルミの殻、コーンの芯を含む1つ又は2つ以上の種類の粉砕物を用いることは本発明の好ましい態様である。 Further, as the dry abrasive, it is preferable to use one or more kinds of pulverized products including apricot seed (core), peach seed (core), walnut shell, and corn core. It is.
また前記乾式研磨材の量が前記高速遠心バレル研磨機のバレルの総容量の50%程度であり、前記添加剤の量が前記乾式研磨材の量の3%〜5%であることは本発明の好ましい態様である。 Further, the present invention is such that the amount of the dry abrasive is about 50% of the total capacity of the barrel of the high-speed centrifugal barrel polisher, and the amount of the additive is 3% to 5% of the amount of the dry abrasive. Is a preferred embodiment.
さらにまた前記所定時間が約30分であることは本発明の好ましい態様である。 Furthermore, it is a preferred embodiment of the present invention that the predetermined time is about 30 minutes.
本発明の打錠杵の刻印面の洗浄方法によれば、打錠杵の刻印面とそれ以外の部分を効率よく短時間で洗浄することが可能であり、よって、洗浄後の刻印が鮮明となり、従来のように不十分な洗浄による不鮮明な刻印の発生という問題が解決できる。また、本発明によれば刻印面以外の他の部分も同時に洗浄されるので、付着していた粉末やカスによる2次被害(汚染)を避けることが可能となった。 According to the method for cleaning the marking surface of the tablet punch of the present invention, it is possible to efficiently clean the marking surface of the tablet punch and other portions in a short time, and therefore the marking after cleaning becomes clear. Thus, the conventional problem of unclear marking due to insufficient cleaning can be solved. In addition, according to the present invention, other parts other than the engraved surface are also cleaned at the same time, so that it is possible to avoid secondary damage (contamination) due to adhering powder and residue.
以下、本発明の打錠杵の刻印面の洗浄方法の好ましい実施の形態について、図面を用いて説明する。本発明の打錠杵の刻印面の洗浄方法の好ましい実施の形態における工程を図1のフローチャートに示す。図1において、ユーザはステップ1で乾式研磨材と添加剤とを高速遠心バレル研磨機のバレル(小型の研磨機ではポットとも言う)に投入する。高速遠心バレル研磨機としては、例えば、出願人会社(宇治電化学工業株式会社)製のDC400TWタイプを用いることができる。次いでステップ2で洗浄すべき打錠杵を1本、高速遠心バレル研磨機のバレル(ポット)に投入する。本実施の形態で用いた打錠杵は、最大直径部の直径が約20mm、長さが約150mmのものである。ステップ1とステップ2は逆の順番でもよいし、同時に行ってもよい。
Hereinafter, a preferred embodiment of a method for cleaning a marking surface of a tableting punch according to the present invention will be described with reference to the drawings. The process in the preferred embodiment of the method for cleaning the engraved surface of the tablet punch of the present invention is shown in the flowchart of FIG. In FIG. 1, in
乾式研磨材としては、アプリコットやピーチの種子(核)、クルミの殻、コーンの芯などの粉砕物を用いることができる。かかる粉砕物は、粉砕器やミキサーにより殻の付いた状態の原料を粉砕し、所定メッシュのふるいにかけて、所定粒径にすることにより準備される。アプリコットやピーチの場合は、種子のみを取り出し、乾燥させてから、同様に粉砕する。コーンの場合は、芯のみを用いるが、芯から実である粒を取り外し、芯を乾燥させてから、同様に粉砕する。これらの粉砕物は、単独で用いることもできるし、複数種類を所定割合で混合して使用することもできる。この実施の形態では、粒径は#46、すなわち1mm程度である。また添加剤としては、研磨材であるコンパウンドを用いることができる。コンパウンドとしては、例えば、ペースト状の洗浄用専用クリームとして知られているUTクリームNo. 50を用いることができる。乾式研磨材と添加剤の量は、次のようにすることが好ましい。先ず、ポット(バレル)の総容量の50%程度の乾式研磨材を投入し、乾式研磨材量の2%〜5%の添加剤を投入する。 As the dry abrasive, pulverized products such as apricot and peach seeds (cores), walnut shells, and corn cores can be used. Such a pulverized material is prepared by pulverizing a raw material in a shell state with a pulverizer or a mixer, and pulverizing the raw material to a predetermined particle size through a sieve of a predetermined mesh. In the case of apricots or peaches, only the seeds are taken out, dried and ground in the same manner. In the case of corn, only the core is used, but the grains that are real are removed from the core, and the core is dried and then crushed in the same manner. These pulverized products can be used alone, or a plurality of types can be mixed at a predetermined ratio. In this embodiment, the particle size is # 46, that is, about 1 mm. Moreover, the compound which is an abrasive | polishing material can be used as an additive. As the compound, for example, UT cream No. 50 known as a paste-like cleaning cream can be used. The amount of the dry abrasive and the additive is preferably as follows. First, a dry abrasive of about 50% of the total capacity of the pot (barrel) is charged, and an additive of 2% to 5% of the dry abrasive amount is charged.
上記投入が完了すると、ステップ3で高速遠心バレル研磨機によるバレル研磨を開始する。この高速遠心バレル研磨機としては、例えば、乾式高速洗浄機として知られている直径120mm×長さ200mmサイズのポットを有し、回転数180rpmで運転するものとする。なお、回転速度は、ポット内の洗浄対象物の量や、研磨材などの量に応じて必要があれば変更するものとする。バレルの回転時間は、上記例の場合は、30分程度が好ましい(ステップ3〜ステップ5)。バレルの回転により、乾式研磨材と添加物が打錠杵の刻印面やその他の部分に衝突することで洗浄が行われる。洗浄が終了するとステップ6で、バレルから打錠杵が取り出される。 When the above charging is completed, barrel polishing by a high-speed centrifugal barrel polishing machine is started in Step 3. As this high-speed centrifugal barrel polishing machine, for example, a pot having a diameter of 120 mm and a length of 200 mm, which is known as a dry high-speed washing machine, is assumed to be operated at a rotational speed of 180 rpm. Note that the rotation speed is changed if necessary according to the amount of the object to be cleaned in the pot and the amount of the abrasive. In the case of the above example, the barrel rotation time is preferably about 30 minutes (steps 3 to 5). As the barrel rotates, the dry abrasive and the additive collide with the marking surface and other parts of the tablet punch to perform cleaning. When the cleaning is completed, the tablet punch is taken out from the barrel in Step 6.
図2は、打錠杵を相当回数(例えば10万回)の打錠に用いた後、本発明の打錠杵の刻印面の洗浄方法の好ましい実施の形態による洗浄を行わない場合の打錠杵を示す写真であり、図3は、打錠杵を上記相当回数打錠に用いた後、本発明の打錠杵の刻印面の洗浄方法の好ましい実施の形態による洗浄を行った場合の打錠杵を示す写真である。図2と図3の(A)は、それぞれ打錠杵の刻印面を含む打錠杵の先端部を斜視図として示し、図2と図3の(B)は、それぞれ打錠杵の刻印面を示す写真である。図2の(B)と図3の(B)の比較からわかるように、本発明の洗浄方法で洗浄した打錠杵の刻印面は、凹凸が鮮明となっているのに対し、洗浄していない打錠杵の刻印面は、凹凸が比較的不鮮明である。 FIG. 2 shows a case where the tableting punch is used for tableting a considerable number of times (for example, 100,000 times), and then the tableting is not performed according to the preferred embodiment of the method for cleaning the marking surface of the tableting punch of the present invention. FIG. 3 is a photograph showing a punch, and FIG. 3 shows a case where the tablet punch is used for tableting the above-mentioned number of times and then the cleaning according to the preferred embodiment of the method for cleaning the engraved surface of the tablet punch according to the present invention is performed. It is a photograph showing a lock candy. FIGS. 2 and 3A are perspective views of the tip of the tablet punch including the stamping surface of the tablet punch, and FIGS. 2B and 3B are the stamped surfaces of the tablet punch, respectively. It is a photograph which shows. As can be seen from the comparison between FIG. 2 (B) and FIG. 3 (B), the engraved surface of the tablet punches washed by the washing method of the present invention is cleaned while the unevenness is clear. The marking surface of the non-tablet punch is relatively unclear.
次に、図2と図3に示した洗浄前と洗浄後の打錠杵を用いてそれぞれ、打錠を行った場合の比較について説明する。図4は、打錠杵を打錠に用いた後、本発明の打錠杵の刻印面の洗浄方法の好ましい実施の形態による洗浄を行わない場合の打錠杵により続けて打錠して得た錠剤の刻印状態を示す写真である。また、図5は、打錠杵を打錠に用いた後、本発明の打錠杵の刻印面の洗浄方法の好ましい実施の形態による洗浄を行った場合の打錠杵により打錠して得た錠剤の刻印状態を示す写真である。図4では、刻印部の凹凸が不鮮明であるのに対し、図5では、刻印部の凹凸が鮮明であることがわかる。 Next, a comparison when tableting is performed using the tableting punches before and after washing shown in FIGS. 2 and 3 will be described. FIG. 4 is obtained by using a tableting punch for tableting and then continuously tableting with the tableting punch without cleaning according to a preferred embodiment of the cleaning method for the engraved surface of the tableting punch of the present invention. It is the photograph which shows the engraving state of the tablet. Further, FIG. 5 is obtained by tableting with a tableting punch when the tableting punch is used for tableting and then cleaned according to a preferred embodiment of the method for cleaning the engraved surface of the tableting punch according to the present invention. It is the photograph which shows the engraving state of the tablet. In FIG. 4, the unevenness of the stamped portion is unclear, whereas in FIG. 5, the unevenness of the stamped portion is clear.
上記実施の形態では、打錠杵の刻印面には、凸部が設けられていて、錠剤に凹部の刻印がされる場合を例に挙げて説明したが、打錠杵の刻印面には、凹部が設けられていて、錠剤に凸部の刻印がされる場合においても、本発明は適用可能であり、同様の洗浄効果を示すことができる。 In the above embodiment, the engraving surface of the tableting punch is provided with a convex portion, and the tablet is engraved as an example, but the engraving surface of the tableting punch is The present invention is applicable even when the concave portion is provided and the convex portion is engraved on the tablet, and the same cleaning effect can be exhibited.
以上のように、本発明に係る打錠杵の刻印面の洗浄方法によれば、打錠杵の刻印面が効率的にかつ十分洗浄されるので、刻印面の凸部の周辺や平坦部に付着した粉末やカスが十分清掃、洗浄され、打錠前の状態とほほ同じ状態となり、よって、洗浄後の打錠杵を用いて行った打錠によるマークや数字、記号などの刻印部が鮮明となるので、本発明は打錠杵を用いた打錠作業を伴う製薬業あるいは打錠業において広く利用可能である。 As described above, according to the method for cleaning the marking surface of the tableting punch according to the present invention, the marking surface of the tableting punch is efficiently and sufficiently cleaned. The adhering powder and residue are thoroughly cleaned and washed, and are almost in the same state as before tableting. Therefore, the stamped parts such as marks, numbers and symbols by tableting using the tableting machine after washing become clear. Therefore, the present invention can be widely used in the pharmaceutical industry or tableting industry involving tableting operations using a tableting punch.
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