TWI643758B - Ink scraping device and applied screen printing machine - Google Patents

Ink scraping device and applied screen printing machine Download PDF

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Publication number
TWI643758B
TWI643758B TW106113041A TW106113041A TWI643758B TW I643758 B TWI643758 B TW I643758B TW 106113041 A TW106113041 A TW 106113041A TW 106113041 A TW106113041 A TW 106113041A TW I643758 B TWI643758 B TW I643758B
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Taiwan
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ink
screen
ink removing
swinging
blade
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TW106113041A
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Chinese (zh)
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TW201838827A (en
Inventor
陳東欽
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東遠精技工業股份有限公司
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Publication of TW201838827A publication Critical patent/TW201838827A/en
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Abstract

本發明網印機的除墨裝置具有用以盛裝油墨的盛墨盤以及組裝於盛墨盤的除墨刀,該除墨刀受到驅動裝置帶動而能由一未接觸於網版的初始位置移動至一接觸於網版的刮墨位置,當除墨刀位於刮墨位置時,除墨刀與盛墨盤兩者同時受到下移動機構帶動而在網版下方進行直線移動,使得位在網版的油墨能沿著除墨刀而流動至盛墨盤內部,藉此,下移動機構將除墨刀與盛墨盤兩者同時移動到網版的最未點時,即可將殘留於網版底部的油墨刮除,並能確保從網版刮除的油墨能順勢流至盛墨盤內,進而能有效避免油墨滴落於機台上,或是在進行印刷時,避免殘留的油墨擴散至網版四周,以防止汙染到接下來要進行印刷的工作件。The ink removing device of the screen printing machine of the present invention has an ink containing tray for containing ink and a deinking knife assembled to the ink containing tray, and the ink removing knife is driven by the driving device to be moved by an initial position which is not in contact with the screen. When the ink removing knife is in the ink wiping position, when the ink removing knife is located at the ink wiping position, both the ink removing knife and the ink collecting tray are simultaneously driven by the lower moving mechanism to linearly move under the screen, so that the screen is in the screen. The ink can flow along the ink removing knife to the inside of the ink tray, whereby the lower moving mechanism moves the ink removing knife and the ink tray to the least point of the screen at the same time, and then remains on the screen. The ink at the bottom is scraped off, and it can ensure that the ink scraped from the screen can flow into the ink tray, which can effectively prevent the ink from dripping on the machine table, or avoid the residual ink from spreading to the printing. Around the screen, to prevent contamination to the next part of the work to be printed.

Description

網印機的除墨裝置及其網印機Deinking device of screen printing machine and screen printing machine thereof

本發明有關於一種運用於印刷作業的刮墨裝置與網印機,特別是一種能將殘留於網版的油墨進行刮除來以避免油墨滴落於機台或是防止汙染工作件的刮墨裝置與網印機。 The invention relates to a squeegee device and a screen printing machine which are used in a printing operation, in particular to scrape ink remaining in a screen to prevent ink from dripping on the machine table or preventing contamination of the workpiece. Device and screen printing machine.

在一般的網版印刷作業中,網印機是透過上刮刀裝置的上刮刀將油墨塗佈於網版上,以供工作件於網版上進行印刷,使得工作件上能印有圖案。 In a typical screen printing operation, the screen printing machine applies ink to the screen through the upper doctor blade of the upper blade device, so that the workpiece can be printed on the screen, so that the workpiece can be printed with a pattern.

然而,上刮刀將油墨塗佈於網版的過程中,油墨會受到上刮刀擠壓而滲透於網版下方,使得殘留的油墨在印刷時會擴散至網板的旁邊,進而使工作件進行後續印刷作業時,殘留的油墨會汙染到接下來要進行印刷的工作件,間接殘留的油墨會影響工作件的圖案,藉此,殘留的油墨會導致工作件的印刷品質與精度降低,而減少生產率,並且,殘留的油墨更有滴落於網印機上的風險,進而會影響網印機的運作,嚴重則會導致網印機損壞,進而增加生產成本。 However, when the upper scraper applies the ink to the screen, the ink is pressed by the upper scraper and penetrates under the screen, so that the residual ink spreads to the side of the screen during printing, thereby causing the workpiece to be followed. During the printing operation, the residual ink will contaminate the workpiece to be printed next, and the indirect residual ink will affect the pattern of the workpiece, whereby the residual ink will result in reduced print quality and precision of the workpiece, and reduced productivity. Moreover, the residual ink is more likely to drip on the screen printing machine, which in turn affects the operation of the screen printing machine, which may cause damage to the screen printing machine, thereby increasing production costs.

此外,為了避免油墨殘留於網版上,目前皆是以人工的方式將殘留於網版上的油墨進行清除,但人工清除油墨不但費時費力,且網版的乾淨程度因人操作方式的不同而有不同的結果,進而使得工作件的印刷品質較無法保持在一定的品質。 In addition, in order to prevent the ink from remaining on the screen, the ink remaining on the screen is manually removed, but the manual removal of the ink is not only time-consuming and laborious, but also the cleanness of the screen is different depending on the operation mode of the person. There are different results, which in turn makes the print quality of the work piece less than a certain quality.

本發明的主要目的在於能將殘留於網版上的油墨進行刮除作業,並能直接收集從網版刮除的油墨,以避免殘留的擴散而污染接下來要進行印刷的工作件,致使能穩定工作件的印刷品質。 The main object of the present invention is to enable the ink remaining on the screen to be scraped, and to directly collect the ink scraped from the screen to avoid residual diffusion and contaminate the workpiece to be printed next, thereby enabling Stabilize the print quality of the work piece.

本發明的次要目的在於除墨刀在進行刮墨作業之前能改變與網版之間的相對位置,使得除墨刀能緊貼於網版,進而以利於除墨刀對殘留於網版的油墨進行刮墨作業。 The secondary objective of the present invention is that the ink removing knife can change the relative position with the screen before the ink squeegeing operation, so that the ink removing knife can be closely attached to the screen, thereby facilitating the ink removing knife to remain on the screen. The ink is used for squeegeeing.

為實現前述目的,本發明有關於一種網印機的除墨裝置,上述除墨裝置配合一上刮刀機構共同使用,上述上刮刀機構受到一上移動機構帶動而能在一網版上方進行移動,使得上述上刮刀機構進行刮墨作業,而上述除墨裝置受到一下移動機構帶動,使上述除墨裝置能在上述網版下方進行直線移動,其中,上述除墨裝置主要由一除墨刀機構以及一下驅動機構所構成,而上述除墨刀機構具有一能容置油墨的盛墨盤以及一組裝於上述盛墨盤的除墨刀。 In order to achieve the foregoing object, the present invention relates to an ink removing device for a screen printing machine. The ink removing device is used in combination with an upper scraping mechanism, and the upper scraping mechanism is driven by an upper moving mechanism to move over a screen. And the ink removing device is driven by a lower moving mechanism to enable the ink removing device to linearly move under the screen, wherein the ink removing device is mainly composed of a liquid removing blade mechanism and The drive mechanism is constituted by a lower ink squeegee mechanism having an ink containing tray capable of accommodating ink and a deinking knives assembled to the ink containing tray.

上述下驅動機構具有一升降機構、一擺動機構以及一調整機構,上述擺動機構與調整機構兩者組裝於上述升降機構,於較佳實施例中,上述擺動機構樞轉連接於上述除墨刀機構,並具有一連接於上述除墨刀機構連接座以及一擺動驅動源,上述連接座設有一連接於上述擺動驅動源的擺動桿以及一連接於上述擺動桿的滑移塊。 The lower driving mechanism has a lifting mechanism, a swinging mechanism and an adjusting mechanism. The swinging mechanism and the adjusting mechanism are assembled to the lifting mechanism. In a preferred embodiment, the swinging mechanism is pivotally connected to the ink removing knife mechanism. And having a connecting body connected to the ink removing blade mechanism and a swing driving source, wherein the connecting seat is provided with a swinging rod connected to the swinging driving source and a sliding block connected to the swinging rod.

上述調整機構具有一能帶動上述除墨刀機構上下移動的移動件以及一螺旋嵌合於上述移動件的轉動件,而上述移動件設有一供上述滑移塊穿設的限制槽,並且,上述轉動件進行旋轉運動時,由於上述移動件與上述轉動件相互螺設而能將旋轉運動轉變為直線運動,使得上述移動件能進行上下位移, 進而在上述升降機構未帶動上述除墨刀機動移動的情況下,單獨使得上述調整機構能改變上述除墨刀與網版之間的相對位置。 The adjusting mechanism has a moving member capable of driving the ink removing blade mechanism to move up and down, and a rotating member spirally fitted to the moving member, and the moving member is provided with a restricting groove through which the sliding block is disposed, and When the rotating member performs the rotating motion, since the moving member and the rotating member are screwed together, the rotating motion can be converted into a linear motion, so that the moving member can be displaced up and down. Further, in a case where the lifting mechanism does not drive the movement of the ink removing blade, the adjusting mechanism can individually change the relative position between the ink removing blade and the screen.

此外,上述升降機構能將上述除墨刀由一未接觸於上述網版的初始位置縱向移動至一高度位置高於上述初始位置的預備位置,而上述擺動機構能將上述除墨刀由上述預備位置擺動至一接觸於上述網版的刮墨位置,使得上述除墨刀機構能相對於上述調整機構進行擺動,隨後,上述下移動機構帶動上述除墨刀機構沿著上述網版的一橫向延伸方向進行移動,使得上述網版底部的多餘油墨接觸於上述除墨刀並順勢流至上述盛墨盤內部,其中,上述除墨刀於上述預備位置與刮墨位置之間的擺動幅度受限於上述限制槽。 Further, the lifting mechanism can longitudinally move the ink removing blade from an initial position not contacting the screen to a preliminary position higher than the initial position, and the swinging mechanism can prepare the ink removing knife from the preparation The position is swung to a wiping position contacting the screen, so that the ink removing blade mechanism can swing relative to the adjusting mechanism, and then the lower moving mechanism drives the ink removing blade mechanism to extend along a lateral direction of the screen. Moving in a direction such that excess ink at the bottom of the screen is in contact with the ink removing blade and flows to the inside of the ink containing tray, wherein the swinging amplitude of the ink removing blade between the preparatory position and the ink wiping position is limited by The above restriction groove.

於此實施例中,上述擺動桿受到上述擺動驅動源帶動而逐漸遠離上述擺動驅動源,使得上述除墨刀能由上述刮墨位置擺動至上述預備位置,並且,當上述除墨刀位於上述刮墨位置時,上述滑移塊移動至上述限制槽的端部,另外,由於上述擺動機構組裝於上述升降機構,使上述升降機構帶動上述除墨刀由上述初始位置移動至上述預備位置時,上述擺動機構會同步進行移動。 In this embodiment, the swinging lever is driven away from the swing driving source by the swing driving source, so that the ink removing blade can be swung from the ink wiping position to the preparatory position, and when the ink removing blade is located in the scraping blade In the ink position, the sliding block moves to the end of the restricting groove, and when the swinging mechanism is assembled to the lifting mechanism, the lifting mechanism moves the ink removing blade from the initial position to the preparatory position, The swing mechanism moves synchronously.

本發明的特點在於除墨刀受到下驅動機構帶動而移動至刮墨位置時,下移動機構能同時帶動除墨刀與盛墨盤兩者在網版下方進行直線移動,使得除墨刀能將殘留於網版上的油墨進行刮除作業,進而使得位在網版的油墨會沿著除墨刀而流動至盛墨盤內部,致使能避免從網版刮除的油墨滴落於機台上或者避免油墨堵塞網版的孔洞,藉此能有效穩定工作件的印刷品質以及降低網印機損壞的機率,或是能避免位在網版下方的殘留油墨擴散至網版的四周,以防止殘留的油墨汙染到接下來要進行印刷的工作件,使得工作件的圖案不會受到殘留的油墨影響,進而避免不良品產生。 The invention is characterized in that when the ink removing knife is driven by the lower driving mechanism to move to the ink wiping position, the lower moving mechanism can simultaneously drive both the ink removing knife and the ink loading tray to move linearly under the screen, so that the ink removing knife can The ink remaining on the screen is scraped, so that the ink on the screen flows along the ink removing knife to the inside of the ink tray, so that the ink scraped from the screen can be prevented from dripping on the machine. Or avoid the ink blocking the hole of the screen, thereby effectively stabilizing the printing quality of the workpiece and reducing the chance of damage to the screen printer, or avoiding the residual ink lying under the screen to spread around the screen to prevent residue. The ink is contaminated to the workpiece to be printed next, so that the pattern of the workpiece is not affected by the residual ink, thereby preventing the occurrence of defective products.

此外,調整機構能在進行刮末作業之前,改變除墨刀機構的除墨刀與網版之間的相對位置,使得除墨刀與網版能緊密貼合,以利於除墨刀將殘留於網版的油墨進行刮墨作業。 In addition, the adjusting mechanism can change the relative position between the ink removing knife and the screen of the ink removing knife mechanism before the shaving operation, so that the ink removing knife and the screen can be closely fitted, so that the ink removing knife will remain in the residue. The screen printing ink is used for squeegeeing.

1‧‧‧除墨裝置 1‧‧‧Deinking device

10‧‧‧網印機 10‧‧‧ Screen Printing Machine

11‧‧‧上刮刀機構 11‧‧‧Upper scraper mechanism

111‧‧‧上刮刀 111‧‧‧Upper scraper

112‧‧‧回墨刀 112‧‧‧Returning knife

12‧‧‧抬升機構 12‧‧‧Uplifting agency

13‧‧‧網版 13‧‧‧ Screen

14‧‧‧上移動機構 14‧‧‧Upper moving agency

15‧‧‧上驅動機構 15‧‧‧Upper drive mechanism

16‧‧‧下移動機構 16‧‧‧Mobile agencies

20‧‧‧除墨刀機構 20‧‧‧Ink remover mechanism

21‧‧‧盛墨盤 21‧‧‧Ink tray

22‧‧‧除墨刀 22‧‧‧Ink remover

30‧‧‧下驅動機構 30‧‧‧Lower drive mechanism

31‧‧‧升降機構 31‧‧‧ Lifting mechanism

311‧‧‧升降驅動源 311‧‧‧ Lifting drive source

312‧‧‧升降伸縮件 312‧‧‧lifting telescopic parts

313‧‧‧固定塊 313‧‧‧Fixed block

32‧‧‧擺動機構 32‧‧‧swing mechanism

321‧‧‧擺動驅動源 321‧‧‧Swing drive source

322‧‧‧擺動伸縮件 322‧‧‧Swing expansion joint

323‧‧‧連接座 323‧‧‧Connecting Block

324‧‧‧樞接桿 324‧‧‧ pivot rod

325‧‧‧擺動桿 325‧‧‧swing rod

326‧‧‧滑移塊 326‧‧‧Slip block

33‧‧‧調整機構 33‧‧‧Adjustment agency

331‧‧‧移動件 331‧‧‧Mobile parts

332‧‧‧轉動件 332‧‧‧Rotating parts

333‧‧‧限制槽 333‧‧‧Restricted slot

333a‧‧‧第一端 333a‧‧‧ first end

333b‧‧‧第二端 333b‧‧‧ second end

34‧‧‧組接板 34‧‧‧Group board

P1‧‧‧初始位置 P1‧‧‧ initial position

P2‧‧‧預備位置 P2‧‧‧prepared position

P3‧‧‧刮墨位置 P3‧‧‧ scraping position

圖1為本發明網印機的除墨裝置組裝於網印機的示意圖;圖2為本發明網印機的除墨裝置的立體圖;圖3為本發明網印機的除墨裝置的分解圖;圖4為上刮刀機構受到上驅動機構與上移動機構兩者帶動的示意圖;圖5為除墨刀位於初始位置的示意圖;圖6為除墨刀位於預備位置的示意圖;圖7為除墨刀位於刮墨位置的示意圖;圖8為下移動機構帶動除墨裝置進行移動的示意圖;圖9為除墨刀由刮墨位置擺動至預備位置的示意圖;圖10為除墨刀由預備位置移動至初始位置的示意圖;以及圖11為調整機構改變除墨刀機構與地面之間相對距離的示意圖。 1 is a schematic view showing the ink removing device of the screen printing machine of the present invention assembled on a screen printing machine; FIG. 2 is a perspective view of the ink removing device of the screen printing machine of the present invention; FIG. 3 is an exploded view of the ink removing device of the screen printing machine of the present invention; Figure 4 is a schematic view of the upper scraper mechanism driven by both the upper drive mechanism and the upper moving mechanism; Figure 5 is a schematic view of the ink removal knife in an initial position; Figure 6 is a schematic view of the ink removal knife in a preparatory position; FIG. 8 is a schematic view showing the lower moving mechanism driving the deinking device to move; FIG. 9 is a schematic view showing the ink removing blade being swung from the wiping position to the preparatory position; FIG. 10 is a view showing the ink removing knife moving from the preparatory position; A schematic view to the initial position; and Figure 11 is a schematic view of the adjustment mechanism changing the relative distance between the deinking mechanism and the ground.

茲為便於更進一步對本發明之構造、使用及其特徵有更深一層明確、詳實的認識與瞭解,爰舉出較佳實施例,配合圖式詳細說明如下: In order to further clarify and understand the structure, the use and the features of the present invention, the preferred embodiment is described in detail with reference to the following drawings:

請參閱圖1所示,本發明網印機的除墨裝置1組裝於一網印機10,上述網印機10具有一印刷本體(圖未示)以及一位於上述印刷本體(圖未示)上方的上刮刀機構11,上述印刷本體(圖未示)上方經由一抬升機構12而組裝於一網版 13,使得上述網版13透過上述抬升機構12而能沿著Z軸上升或下降,而上述上刮刀機構11透過一上移動機構14與一上驅動機構15而組裝於上述抬升機構12,其中,上述網版13位於上刮刀機構11下方,並且,上述網版13下方具有一組裝於上述印刷本體(圖未示)頂面的下移動機構16。 Referring to FIG. 1 , the ink removing device 1 of the screen printing machine of the present invention is assembled into a screen printing machine 10 having a printing body (not shown) and a printing body (not shown). The upper upper scraper mechanism 11 is assembled on a screen above the printing body (not shown) via a lifting mechanism 12 13. The screen 13 can be raised or lowered along the Z axis by the lifting mechanism 12, and the upper blade mechanism 11 is assembled to the lifting mechanism 12 through an upper moving mechanism 14 and an upper driving mechanism 15, wherein The screen 13 is located below the upper blade mechanism 11, and has a lower moving mechanism 16 mounted on the top surface of the printing body (not shown) below the screen 13.

如圖所示,上述上刮刀機構11具有一上刮刀111以及一位於上述上刮刀111一側的回墨刀112,而上述上移動機構14能帶動上述上刮刀機構11進行作動,使得上述上刮刀111與回墨刀112兩者能在上述網版13上方沿著Y軸進行左右移動,並且,上述上驅動機構15能帶動上述上刮刀機構11沿著Z軸進行上下移動,使得上述上刮刀111與回墨刀112兩者能接近或是遠離於上述網版13。 As shown in the figure, the upper scraper mechanism 11 has an upper scraper blade 111 and an ink returning blade 112 on the side of the upper scraper blade 111, and the upper moving mechanism 14 can drive the upper scraper mechanism 11 to actuate the upper scraper. Both the 111 and the ink repelling blade 112 can move left and right along the Y axis above the screen 13, and the upper driving mechanism 15 can move the upper blade mechanism 11 up and down along the Z axis, so that the upper blade 111 Both the ink repelling knife 112 can be accessed or moved away from the screen 13 described above.

請參閱圖2所示,上述除墨裝置1經由上述下移動機構16而組裝於上述網印機10的印刷本體(圖未示)的頂面上方,而上述除墨裝置1位於上述網版13下方,其中,上述除墨裝置1主要由一除墨刀機構20以及一下驅動機構30所構成。 Referring to FIG. 2, the ink removing device 1 is assembled above the top surface of a printing body (not shown) of the screen printing machine 10 via the lower moving mechanism 16, and the ink removing device 1 is located on the screen 13 In the following, the above-described ink removing device 1 is mainly composed of an ink removing blade mechanism 20 and a lower driving mechanism 30.

請參閱圖3所示,上述除墨刀機構20具有一盛墨盤21以及一連接於上述盛墨盤21內部的除墨刀22。 Referring to FIG. 3, the above-described ink removing blade mechanism 20 has an ink containing tray 21 and a deinking blade 22 connected to the inside of the ink containing tray 21.

上述下驅動機構30主要由一升降機構31、一擺動機構32以及一調整機構33所組成。上述升降機構31具有一組裝於上述下移動機構16的升降驅動源311以及一安裝於上述升降驅動源311的升降伸縮件312,而上述升降伸縮件312設有一固定塊313,上述固定塊313經由一組接板34而連接於上述調整機構33,此外,上述擺動機構32樞轉連接於上述調整機構33,使得上述擺動機構32透過上述調整機構33而連接於上述升降機構31。 The lower drive mechanism 30 is mainly composed of a lifting mechanism 31, a swinging mechanism 32 and an adjusting mechanism 33. The lifting mechanism 31 has a lifting drive source 311 assembled to the lower moving mechanism 16 and a lifting and lowering member 312 attached to the lifting drive source 311, and the lifting and lowering member 312 is provided with a fixing block 313. The set of plates 34 is connected to the adjustment mechanism 33, and the swing mechanism 32 is pivotally coupled to the adjustment mechanism 33 such that the swing mechanism 32 is coupled to the lift mechanism 31 via the adjustment mechanism 33.

於此實施例中,上述擺動機構32具有一固定連接於上述組接板34的擺動驅動源321、一組裝於上述擺動驅動源321的擺動伸縮件322以及一沿著Y軸橫向擺放的連接座323,上述連接座323上方能選擇性組裝或拆除於上述除墨刀機構20的盛墨盤21,並於左右相對兩端各設有一樞接桿324以及一位於上述樞接桿324一側的擺動桿325,而上述擺動桿325的端部具有一外觀呈現圓形的滑移塊326,其中,上述擺動伸縮件322的端部連接於上述擺動桿325,而上述調整機構33具有相互螺旋嵌合的一移動件331以及一轉動件332,上述移動件331以滑槽滑軌的組裝方式活動組接於上述下驅動機構30的固定塊313,而上述轉動件332連接於上述組接板34,其中,上述移動件331凹陷形成一供上述滑移塊326穿設限制槽333,並樞轉連接於上述擺動機構32的樞接桿324,而上述限制槽333兩端各形成一第一端333a以及一高度位置高於上述第一端333a的第二端333b。 In this embodiment, the swing mechanism 32 has a swing drive source 321 fixedly coupled to the assembly plate 34, a swing telescopic member 322 assembled to the swing drive source 321, and a laterally disposed connection along the Y-axis. a 323, the above-mentioned connecting seat 323 can be selectively assembled or removed from the ink tray 21 of the ink removing blade mechanism 20, and a pivoting rod 324 and a side of the pivoting rod 324 are respectively disposed at opposite ends of the left and right sides. The swinging rod 325, and the end of the swinging rod 325 has a sliding block 326 having a circular shape, wherein the end of the swinging stretchable member 322 is connected to the swinging rod 325, and the adjusting mechanism 33 has a mutual spiral a moving member 331 and a rotating member 332 are movably assembled to the fixing block 313 of the lower driving mechanism 30 by the assembly of the sliding rail, and the rotating member 332 is connected to the connecting plate. 34, wherein the moving member 331 is recessed to form a restricting groove 333 for the sliding block 326, and is pivotally connected to the pivoting rod 324 of the swinging mechanism 32, and the two ends of the restricting groove 333 form a first End 333a and Position higher than the height of said first end 333a of the second end 333b.

請參閱圖4所示,於具體應用時,上述上驅動機構15帶動上述上刮刀機構11沿著Z軸向下移動,使得上述上刮刀機構11的上刮刀111與回墨刀112接近於上述網版13,隨後,上述下移動機構16帶動上述上刮刀機構11沿著Y軸進行左右來回移動,使得上述上刮刀111與回墨刀112將油墨塗佈於上述網版13上方。 Referring to FIG. 4, in the specific application, the upper driving mechanism 15 drives the upper scraper mechanism 11 to move down along the Z-axis, so that the upper scraper 111 and the ink returning blade 112 of the upper scraper mechanism 11 are close to the net. The plate 13 is then moved by the lower moving mechanism 16 to move left and right along the Y axis so that the upper blade 111 and the ink returning blade 112 apply ink to the screen 13.

請參閱圖5與圖6所示,上述升降機構31的升降驅動源311未帶動上述升降機構31的升降伸縮件312沿著Z軸向上伸長時,上述除墨刀機構20的除墨刀22位於一未接觸於上述網版13的初始位置P1,當上述上刮刀111與回墨刀112將油墨塗佈於上述網版13上方時,上述升降驅動源311帶動上述升降伸縮件312沿著Z軸向上延伸,使得上述除墨刀22由上述初始位置P1移動至一高度位置於高於上述初始位置P1的預備位置P2,其中,由於上述擺動機構32與調整機構33組裝於上述升降伸縮件312,使得上述除墨刀22縱向移動至上述預備位置P2時,上 述擺動機構32與調整機構33兩者會受到上述升降伸縮件312的帶動而沿著Z軸向上移動。 Referring to FIG. 5 and FIG. 6, when the lifting/lowering driving source 311 of the lifting mechanism 31 does not drive the elevating/lowering member 312 of the elevating mechanism 31 to extend in the Z-axis direction, the deinking blade 22 of the deinking blade mechanism 20 is located. When the upper blade 111 and the ink repelting blade 112 apply ink to the screen plate 13 when the upper blade 111 and the ink repelting blade 112 apply ink to the screen plate 13, the lifting and lowering driving source 311 drives the lifting and lowering member 312 along the Z axis. Extending upwardly, the ink removing blade 22 is moved from the initial position P1 to a preliminary position P2 at a height position higher than the initial position P1, wherein the swinging mechanism 32 and the adjusting mechanism 33 are assembled to the lifting and lowering member 312, When the above-described ink removing blade 22 is longitudinally moved to the above-described preparatory position P2, Both the swinging mechanism 32 and the adjusting mechanism 33 are moved by the lifting and lowering member 312 to move in the Z-axis direction.

請參閱圖6與圖7所示,當上述除墨刀機構20的除墨刀22為於上述預備位置P2時,上述擺動機構32的擺動驅動源321帶動上述擺動伸縮件322沿著Z軸向下收縮,由於上述擺動伸縮件322組裝於上述擺動桿325,使得上述擺動桿325逐漸靠近於上述擺動驅動源321,進而使上述滑移塊326受到上述擺動桿325的帶動而由上述限制槽333的第二端333b移動至上述限制槽333的第一端333a,藉此,當上述滑移塊326位於上述第一端333a時,上述擺動機構30連接座323以上述樞接桿324為軸心進行擺動,使得上述除墨刀機構20的除墨刀22由上述預備位置P2擺動至一接觸於上述網版13下方的刮墨位置P3,並且,上述除墨刀22的擺動幅度受限於上述限制槽333的長度。 Referring to FIG. 6 and FIG. 7, when the ink removing blade 22 of the ink removing blade mechanism 20 is at the preliminary position P2, the swing driving source 321 of the swinging mechanism 32 drives the swinging and expanding member 322 along the Z axis. When the oscillating weight 322 is assembled to the swinging lever 325, the swinging lever 325 is gradually brought closer to the oscillating driving source 321 , and the sliding block 326 is driven by the swinging lever 325 to be supported by the restricting groove 333. The second end 333b is moved to the first end 333a of the limiting groove 333, whereby when the sliding block 326 is located at the first end 333a, the connecting mechanism 323 of the swinging mechanism 30 is pivoted by the pivoting rod 324 The swinging is performed such that the ink removing blade 22 of the above-described ink removing blade mechanism 20 is swung from the preliminary position P2 to a wiping position P3 contacting the lower portion of the screen plate 13, and the swinging amplitude of the above-described ink removing blade 22 is limited to the above. The length of the groove 333 is limited.

請參閱圖8所示,上述下移動機構16在上述除墨刀22位於上述刮墨位置P3時,上述下移動機構16能帶動上述除墨刀機構20於上述網版13下方沿著X軸向前進行移動,使得上述除墨刀22與盛墨盤21兩者同時由上述網版13的後側橫向移動至上述網版13的前側,進而上述除墨刀22能將上刮刀機構11位在上述網版13下方的油墨進行刮墨作業,而上述除墨刀22進行刮墨作業時,油墨會接觸於上述除墨刀22而順勢流至上述盛墨盤21內部,使得油墨不會滴落於上述網印機10,藉以能避免上述網印機10損壞,其中,更可以避免位在上述網版13下方的殘留油墨擴散至上述網板13的四周側邊,藉以防止汙染到接下來要進行印刷的工作件,使得工作件的圖案不會受到殘留的油墨影響,進而就不會產生不良品,致使就能穩定印刷品質。 Referring to FIG. 8, the lower moving mechanism 16 can drive the ink removing blade mechanism 20 along the X axis below the screen 13 when the ink removing blade 22 is located at the ink wiping position P3. The front movement is performed such that both the above-described ink removing blade 22 and the ink containing tray 21 are simultaneously laterally moved from the rear side of the screen 13 to the front side of the screen 13, and the above-described ink removing blade 22 can position the upper blade mechanism 11 at The ink under the screen 13 is subjected to a squeegee operation, and when the squeegee 22 performs the squeegee operation, the ink contacts the ink eliminator 22 and flows to the inside of the ink tray 21 so that the ink does not drip. In the above-mentioned screen printing machine 10, the above-mentioned screen printing machine 10 can be prevented from being damaged, wherein the residual ink located under the screen 13 can be prevented from diffusing to the side of the side of the screen board 13, thereby preventing pollution to the next step. The printing work piece is printed so that the pattern of the work piece is not affected by the residual ink, and thus the defective product is not generated, so that the printing quality can be stabilized.

請參閱圖9與圖10所示,上述除墨刀機構20的除墨刀22受到上述下移動機構16的帶動而移動至上述網版13的前側時,上述除墨刀22即能完成刮墨作業,隨後,上述擺動機構32的擺動驅動源321帶動上述擺動機構32的擺動伸縮件322沿著Z軸向上伸長時,使得上述擺動桿325逐漸遠離於上述擺動機構32的擺動驅動源321,進而使上述滑移塊326會由上述限制槽333的第一端333a移動至上述第二端333b,藉此,上述除墨刀機構20的除墨刀22能由上述刮墨位置P3擺動至上述預備位置P2,使得上述除墨刀22沒有接觸到上述網版13底側。 Referring to FIG. 9 and FIG. 10, when the ink removing blade 22 of the ink removing blade mechanism 20 is moved by the lower moving mechanism 16 and moved to the front side of the screen 13, the ink removing blade 22 can complete the ink wiping. After the swing driving source 321 of the swinging mechanism 32 drives the swinging expansion/contraction member 322 of the swinging mechanism 32 to extend in the Z-axis direction, the swinging lever 325 is gradually moved away from the swinging driving source 321 of the swinging mechanism 32, and further The sliding block 326 is moved from the first end 333a of the restricting groove 333 to the second end 333b, whereby the ink removing blade 22 of the ink removing blade mechanism 20 can be swung from the above-described ink wiping position P3 to the above preparation. The position P2 is such that the above-described ink removing blade 22 does not come into contact with the bottom side of the screen plate 13.

接下來,上述下移動機構16帶動上述除墨刀機構20由上述網版13的前側沿著X軸移動至上述網版13的後側,同時,上述升降機構31的升降驅動源311帶動上述升降伸縮件312沿著Z軸向下收縮,使上述除墨刀22由上述預備位置P2縱向移動至上述初始位置P1,藉以使上述除墨刀機構20準備進行下一次刮墨作業。 Next, the lower moving mechanism 16 drives the ink removing blade mechanism 20 to move from the front side of the screen plate 13 along the X axis to the rear side of the screen plate 13, and the lifting drive source 311 of the lifting mechanism 31 drives the lifting and lowering. The stretchable member 312 is contracted downward along the Z-axis to longitudinally move the above-described ink-removing blade 22 from the preliminary position P2 to the initial position P1, whereby the above-described ink-removing blade mechanism 20 is ready for the next ink-scraping operation.

請參閱圖11所示,上述除墨刀機構20的除墨刀22欲要進行刮墨作業之前,可透過上述調整機構33改變與上述網版13之間的相對位置(水平度),使得上述除墨刀機構20的除墨刀22與上述網版13能相互緊密貼合,以利於上述除墨刀22能對上述網版13進行刮墨作業,致使能提高印刷品質,於此較佳實施例中,由於上述移動件331螺旋嵌合上述轉動件332,使得上述轉動件332以Z軸為軸心進行順時針轉動時能將旋轉運動轉變於直線運動,進而使上述移動件331受到上述轉動件332的帶動而沿著Z軸向上位移,藉以調整上述除墨刀機構20與上述網版13之間的水平度。 Referring to FIG. 11, before the ink removing blade 22 of the ink removing blade mechanism 20 is intended to perform the ink wiping operation, the relative position (levelness) between the screen plate 13 and the screen plate 13 can be changed through the adjusting mechanism 33, so that the above The ink removing blade 22 of the ink removing blade mechanism 20 and the screen plate 13 can be closely adhered to each other, so that the ink removing blade 22 can perform the ink wiping operation on the screen plate 13, so that the printing quality can be improved. In the example, the moving member 331 is screw-fitted to the rotating member 332, so that the rotating member 332 can rotate the rotary motion into a linear motion when the Z-axis is rotated clockwise, thereby causing the moving member 331 to undergo the above-mentioned rotation. The member 332 is displaced along the Z-axis to adjust the level between the ink-removing blade mechanism 20 and the screen 13.

以上所舉實施例,僅用為方便說明本發明並非加以限制,在不離本發明精神範疇,熟悉此一行業技藝人士依本發明申請專利範圍及發明說明所作之各種簡易變形與修飾,均仍應含括於以下申請專利範圍中。 The above embodiments are intended to be illustrative only, and are not intended to limit the scope of the present invention. It is included in the scope of the following patent application.

Claims (10)

一種網印機的除墨裝置,受到一下移動機構帶動而能在一網版下方進行移動,上述除墨裝置,包含:一除墨刀機構,具有一能容置油墨的盛墨盤以及一組裝於上述盛墨盤的除墨刀;以及一下驅動機構,組裝於上述除墨刀機構,並能帶動上述除墨刀由一未接觸於上述網版的初始位置移動至一接觸於上述網版的刮墨位置,其中,上述下驅動機構,包含:一升降機構,能帶動上述除墨刀於上述初始位置與刮墨位置之間進行移動;以及一調整機構,組裝於上述除墨刀機構,並能在上述升降機構未帶動上述除墨刀移動的情況下,單獨改變上述除墨刀與網版之間的相對位置,其中,上述調整機構,包含:一移動件,能帶動上述除墨刀機構上下移動;以及一轉動件,螺旋嵌合於上述移動件,上述轉動件進行旋轉運動時,由於上述移動件與上述轉動件相互螺設而能將旋轉運動轉變為直線運動,使得上述移動件能進行上下位移;其中,上述除墨刀位於上述刮墨位置時,上述下移動機構能帶動上述除墨刀機構沿著上述網版的一橫向延伸方向進行移動,使得上述網版底部的多餘油墨接觸於上述除墨刀並順勢流至上述盛墨盤內部。 The ink removing device of the screen printing machine is driven by a moving mechanism to move under a screen. The ink removing device comprises: an ink removing knife mechanism, having an ink tray capable of accommodating ink and an assembly a deinking knife for the ink tray; and a lower driving mechanism assembled to the ink removing knife mechanism, and capable of driving the ink removing knife to move from an initial position not contacting the screen to a contact with the screen The squeegeing position, wherein the lower driving mechanism comprises: a lifting mechanism capable of moving the ink removing blade between the initial position and the squeegeing position; and an adjusting mechanism assembled to the ink removing blade mechanism, and The relative position between the ink removing blade and the screen can be separately changed when the lifting mechanism is not driven by the lifting mechanism, wherein the adjusting mechanism comprises: a moving member capable of driving the ink removing knife mechanism Moving up and down; and a rotating member, the screw is screwed to the moving member, and when the rotating member rotates, the moving member and the rotating member can be screwed together The rotary motion is converted into a linear motion, so that the moving member can be displaced up and down; wherein, when the ink removing blade is located at the ink wiping position, the lower moving mechanism can drive the ink removing blade mechanism along a lateral extending direction of the screen The movement is performed such that excess ink at the bottom of the screen is brought into contact with the above-described deinking knife and flows to the inside of the ink tray. 如申請專利範圍第1項所述網印機的除墨裝置,其中,上述下驅動機構具有一升降機構以及一擺動機構,上述升降機構能將上述除墨刀由上述初始位置縱向移動至一高度位置高於上述初始位置的預備位置,而上述擺動機構能將上述除墨刀由上述預備位置擺動至上述刮墨位置。 The ink removing device of the screen printing machine according to Item 1, wherein the lower driving mechanism has a lifting mechanism and a swinging mechanism, and the lifting mechanism can longitudinally move the ink removing blade from the initial position to a height. The position is higher than the preparatory position of the initial position, and the swinging mechanism is capable of swinging the ink removing blade from the preparatory position to the wiping position. 如申請專利範圍第2項所述網印機的除墨裝置,其中,上述擺動機構組裝於上述升降機構,使上述升降機構帶動上述除墨刀由上述初始位置移動至上述預備位置時,上述擺動機構會同步進行移動。 The ink removing device of the screen printing machine according to the second aspect of the invention, wherein the swinging mechanism is assembled to the lifting mechanism, and the swinging mechanism drives the ink removing blade to move to the preparatory position from the initial position, the swinging The organization moves simultaneously. 如申請專利範圍第2項所述網印機的除墨裝置,其中,上述擺動機構設有一滑移塊,上述滑移塊穿設於一形成於上述下驅動機構的限制槽,使得上述限制槽用以限制上述除墨刀由上述預備位置擺動至上述刮墨位置的擺動幅度。 The ink removing device of the screen printing machine according to the second aspect of the invention, wherein the swinging mechanism is provided with a sliding block, and the sliding block is disposed through a limiting groove formed in the lower driving mechanism, so that the limiting groove The method is for limiting the amplitude of the swing of the ink removing blade from the preliminary position to the ink wiping position. 如申請專利範圍第4項所述網印機的除墨裝置,其中,上述滑移塊移動至上述限制槽的端部時,上述除墨刀位於上述刮墨位置。 The ink removing device of the screen printing machine according to the fourth aspect of the invention, wherein the ink removing blade is located at the ink wiping position when the sliding block moves to an end of the restricting groove. 如申請專利範圍第2項所述網印機的除墨裝置,其中,上述擺動機構具有一連接於上述除墨刀機構連接座以及一擺動驅動源,上述連接座設有一連接於上述擺動驅動源的擺動桿,上述擺動桿受到上述擺動驅動源帶動,使得上述除墨刀能由上述刮墨位置擺動至上述預備位置。 The ink removing device of the screen printing machine according to the second aspect of the invention, wherein the swinging mechanism has a connecting body connected to the ink removing blade mechanism and a swing driving source, wherein the connecting seat is provided with a connection to the swing driving source. The swinging lever is driven by the swing driving source so that the ink removing blade can swing from the ink wiping position to the preparatory position. 一種網印機,包含:一網版;一上刮刀機構,受到一上移動機構而能在上述網板上方進行移動;一除墨刀機構,位於上述網版下方,並具有一能容置油墨的盛墨盤以及一組裝於上述盛墨盤的除墨刀;以及一下驅動機構,組裝於上述除墨刀機構,並能帶動上述除墨刀由一未接觸於上述網版的初始位置移動至一接觸於上述網版的刮墨位置,其中,上述下驅動機構,包含:一升降機構,能帶動上述除墨刀於上述初始位置與刮墨位置之間進行移動;以及 一調整機構,組裝於上述除墨刀機構,並能在上述升降機構未帶動上述除墨刀移動的情況下,單獨改變上述除墨刀與網版之間的相對位置,其中,上述調整機構,包含:一移動件,能帶動上述除墨刀機構上下移動;以及一轉動件,螺旋嵌合於上述移動件,上述轉動件進行旋轉運動時,由於上述移動件與上述轉動件相互螺設而能將旋轉運動轉變為直線運動,使得上述移動件能進行上下位移;其中,上述除墨刀位於上述刮墨位置時,由一位在上述網版下方的下移動機構帶動上述除墨刀機構沿著上述網版的一橫向延伸方向進行移動,使得上述網版底部的多餘油墨接觸於上述除墨刀並順勢流至上述盛墨盤內部。 A screen printing machine comprising: a screen plate; an upper blade mechanism movable by an upper moving mechanism above the mesh plate; an ink removing knife mechanism located below the screen plate and having an ink capable of accommodating An ink cartridge and a deinking knife assembled to the ink tray; and a lower driving mechanism assembled to the ink removing blade mechanism and capable of driving the ink removing blade to move from an initial position not contacting the screen to a contact position of the screen, wherein the lower driving mechanism comprises: a lifting mechanism capable of moving the ink removing blade between the initial position and the ink wiping position; An adjusting mechanism assembled to the ink removing blade mechanism and capable of separately changing a relative position between the ink removing blade and the screen when the lifting mechanism does not move the ink removing blade, wherein the adjusting mechanism The utility model comprises: a moving member capable of driving the above-mentioned ink removing knife mechanism to move up and down; and a rotating member screwed to the moving member, wherein when the rotating member rotates, the moving member and the rotating member can be screwed together Converting the rotary motion into a linear motion, so that the moving member can be displaced up and down; wherein, when the ink removing blade is located at the scraping position, the ink removing knife mechanism is driven by a lower moving mechanism below the screen The lateral extension direction of the screen is moved such that excess ink at the bottom of the screen contacts the ink removal knife and flows to the inside of the ink tray. 如申請專利範圍第7項所述網印機,其中,上述下驅動機構具有一升降機構以及一擺動機構,上述升降機構能將上述除墨刀由上述初始位置縱向移動至一高度位置高於上述初始位置的預備位置,而上述擺動機構能將上述除墨刀由上述預備位置擺動至上述刮墨位置。 The screen printing machine of claim 7, wherein the lower driving mechanism has a lifting mechanism and a swinging mechanism, and the lifting mechanism can longitudinally move the ink removing blade from the initial position to a height position higher than the above The preliminary position of the initial position, and the swinging mechanism is capable of swinging the ink removing blade from the preparatory position to the ink wiping position. 如申請專利範圍第8項所述網印機,其中,上述擺動機構組裝於上述升降機構,使上述升降機構帶動上述除墨刀由上述初始位置移動至上述預備位置時,上述擺動機構會同步進行移動。 The screen printing machine according to claim 8, wherein the swinging mechanism is assembled to the lifting mechanism, and the swinging mechanism is synchronized when the lifting mechanism moves the ink removing blade from the initial position to the preparatory position. mobile. 如申請專利範圍第8項所述網印機,其中,上述擺動機構具有一連接於上述除墨刀機構連接座以及一擺動驅動源,上述連接座設有一連接於上述擺動驅動源的擺動桿,上述擺動桿受到上述擺動驅動源帶動,使得上述除墨刀能由上述刮墨位置擺動至上述預備位置。The screen printing machine of claim 8, wherein the swinging mechanism has a connecting rod connected to the ink removing blade mechanism and a swing driving source, and the connecting seat is provided with a swinging rod connected to the swing driving source. The oscillating lever is driven by the oscillating driving source so that the squeegee can be swung from the squeegee position to the preparatory position.
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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389936A (en) * 1980-11-18 1983-06-28 Precision Screen Machines, Inc. Cleaning attachment for screen printer
WO1997047473A1 (en) * 1996-06-10 1997-12-18 Stretch Devices, Inc. Adjustable flexibility squeegee with replaceable contact blade
TW507686U (en) * 2001-03-15 2002-10-21 Colead Entpr Co Ltd Apparatus for removing accumulated ink from screen plate of table-running type screen printing machine
TWM279495U (en) * 2005-07-26 2005-11-01 Colead Entpr Co Ltd Ink scraping device for screen-printing machine
TWM296146U (en) * 2006-01-20 2006-08-21 Atma Champ Entpr Corp Ink shoveling apparatus for screen printing machine
CN202123800U (en) * 2011-06-28 2012-01-25 解云高 Automatic wiping mechanism for screen printing plates
CN202608227U (en) * 2012-06-08 2012-12-19 东远机械工业(昆山)有限公司 Printing head adjusting structure of screen printing machine
EP2818320A1 (en) * 2012-02-21 2014-12-31 Yamaha Hatsudoki Kabushiki Kaisha Screen printing apparatus
CN104553307B (en) * 2014-12-31 2016-10-05 珠海蓝坊智能设备有限公司 Screen printing automatic cleaning device for screen
WO2016164113A1 (en) * 2015-04-07 2016-10-13 Illinois Tool Works Inc. Lift tool assembly for stencil printer

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389936A (en) * 1980-11-18 1983-06-28 Precision Screen Machines, Inc. Cleaning attachment for screen printer
WO1997047473A1 (en) * 1996-06-10 1997-12-18 Stretch Devices, Inc. Adjustable flexibility squeegee with replaceable contact blade
TW507686U (en) * 2001-03-15 2002-10-21 Colead Entpr Co Ltd Apparatus for removing accumulated ink from screen plate of table-running type screen printing machine
TWM279495U (en) * 2005-07-26 2005-11-01 Colead Entpr Co Ltd Ink scraping device for screen-printing machine
TWM296146U (en) * 2006-01-20 2006-08-21 Atma Champ Entpr Corp Ink shoveling apparatus for screen printing machine
CN202123800U (en) * 2011-06-28 2012-01-25 解云高 Automatic wiping mechanism for screen printing plates
EP2818320A1 (en) * 2012-02-21 2014-12-31 Yamaha Hatsudoki Kabushiki Kaisha Screen printing apparatus
CN202608227U (en) * 2012-06-08 2012-12-19 东远机械工业(昆山)有限公司 Printing head adjusting structure of screen printing machine
CN104553307B (en) * 2014-12-31 2016-10-05 珠海蓝坊智能设备有限公司 Screen printing automatic cleaning device for screen
WO2016164113A1 (en) * 2015-04-07 2016-10-13 Illinois Tool Works Inc. Lift tool assembly for stencil printer

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