200916388 九、發明說明： 【發明所屬之技術領域】 本發明係提供一種清潔輸送皮帶用的刮刀結 構，尤指一種用以清除輸送皮帶上之殘留物的刮刀結 構。 【先前技術】 按輸送皮帶在運送例如砂石、混泥土或煤礦等散 裝貨物的過程中，必然會在皮帶表面黏附一些殘留 物。這些殘留物如果不予適時清除，將會影響皮帶的 輸送效果，進而縮短皮帶的使用壽命。 為了將輸送皮帶上所黏附的殘留物刮除及防止 污染環境，一般是在皮帶之落料下游處安裝有可做為 清潔器的刮刀，藉該刮刀頂端抵靠在輸送皮帶的表 面，使得皮帶上的殘留物可在皮帶循環運轉的回程中 被清潔。 為使皮帶用刮刀能得較高的清潔效果，習用技術 有公告第341233號「皮帶清潔器之刮刀座改良結 構」、第477350號「皮帶清潔器刮刀裝置」及第491281 號「皮帶清潔刮刀器調整結構」等新型專利的設計。 該等皮帶清潔在實施上’係安裝在輸送皮帶之洛料 下游處，且藉由刮刀片貼附於皮帶表面，使得刮刀能 達成清潔皮帶上之殘留物的效果。然而，皮帶清潔器 200916388 在刮除皮帶表面殘留物時，其刮刀刮除撞擊時所產生 的外力於長時間下來，往往會使得刮刀與刮刀座間產 生鬆動，如此，刮刀的刮除力大大的降低，嚴重影響 皮帶清潔器的成效*尤其是當刮刀為以碳化鶴材料或 陶瓷材料實施時，其缺點更為易見。 【發明内容】 本發明人有鑑於此，乃悉心研究設計，於今有本 發明產生。是以，本發明之主要目的在提供一種清潔 輸送皮帶用的刮刀結構，該刮刀結構具有可撓性擺動 及可調整撓性擺動阻力的刮刀，使得刮刀能吸收皮帶 震動所造成的衝擊力，達成可長時期地保持刮刀的組 設強度，並具備結構簡單的優點者。 依據本發明構成的刮刀結構係包含： 二刮刀座； 刮刀，該刮刀為以一樞軸樞接於兩刮刀座間；及 一可撓性件，其係連結刮刀與刮刀座，以使刮刀 與刮刀座上可有撓性之擺動。 在一實施例中，刮刀係由複數個刮刀片併列鄰接 而成。 在一實施例中，各刮刀片具有一橫向貫穿的通 孔，而可撓性件為穿設於各刮刀片之通孔，以使各刮 刀片於刮刀座上可有撓性之擺動。 6 200916388 在一實施例中，可撓性件係—具有二端部的撓性 桿或繩，而刮刀座相對於刮刀片之通孔位置處設有一 穿孔’可撓性件係對應穿過各刮刀片之通孔且其二端 部係個別穿過到刀座之穿孔並受固定。 在實鼽例中，二刮刀座係鎖合於一軸桿上，並 藉由兩軸座裴設在輸送皮帶的下方。 在實施例中，刮刀座具有_開口的環部，該環 部可供與軸桿組接。 在一實施例+，可撓性件係—鋼索。 一在»知例中’各刮刀片在提供樞接之梅接孔的 端面刀別形成一凸緣及一可供該凸緣配合套入的 凹部’使得該等刮刀片之間係可利用凸緣套入凹部而 相鄰接。 材料製成。 刮刀片係由碳化鶴材料或陶究 在實施例中，可撓性件的一端部装設一套桿， 且該套桿上裳設一伸縮彈簧及一華司擋板形成定位。 在實施例中，樞轴為一剛性樞轴。 在-實施例中，該樞軸為—可撓性件。 m發明之其他目的、優點及特徵，將可由以 【實細說明並參照所附圓式來了解。 200916388 有關本發明的構造設計，將經由僅為例子但非用 以限制的實施例並參照所附圖式作進一步說明： 請參閱第一圖，顯示依據本發明一實施例構成之 /月潔裝置10係配置於輸送皮帶4之落料下游處用以 刮除皮帶4上的殘留物41 ;再配合第二圖、第三圖 所示，該清潔裝置10包含一安裝架丨、二刮刀座2 及一刮刀3。 在本實施例中，該安裝架丨包含一對概呈L狀的 支条板11，該二支架板11係分隔開地固定在該輸送 皮帶4下方之框架上（未圖示）；並於各支架板^ 上安裝一轴座12，在本實施例中，在各支架板u上 设有一長條孔111，而各軸座12係以螺絲112穿過 該長條孔111鎖固在該支架板n上，t旋鬆鎖固的 螺絲112後，係可調整該軸座12的安裝位置。 各軸座12上具有一軸孔121，並有一軸桿13穿 過該二轴座12之軸孔121，在本實施例中，該軸桿 13係-圓管，該圓管的二端部131係個別地穿過一 軸座12之軸孔121，並個別利用一螺絲（凸緣夾） 14迫緊鎖固。 該二刮刀座2係分隔開地結合在該安聚架ι的轴 桿13上，其分隔距離係橫跨在該輸送皮帶4之寬度 200916388 方向兩側；在本實施例中，各刮刀座2包含一具有開 口 211的環部21及由該環部21向外延伸形成的一支 持部22 ’該環部21内的環孔212係可供該轴桿13 穿過，且該環部21之開口 211兩端分別延伸有凸緣 213 ’利用螺絲214 (凸緣夾）鎖緊該二凸緣213，可 將各刮刀座2牢©地組裝在帅桿13上，進而使得 該刮刀座2係可擺轉地組裝在安裝架丨上。 各刮刀座2之支持部22上設有橫向貫穿的第一 穿孔221及一第二穿孔222,在本實施例中，該二穿 孔221、222係隔開地設在一與該支持部212延伸方 向概呈垂直的軸線23上。 該刮刀3包含鄰接在一起的複數刮刀片31及可 串接該等刮刀片31的第-拖軸32與一第二樞轴33; 該刮刀片31係可由例如碳化鶏、喊等高硬度及对 磨耗之材料構成，在本實施例中，該刮刀片31係由 陶瓷-體製成；或者，該到刀片31可由橡膠材料製 成本體，並在頂部埋設碳化鎢或是喊材料形成（未 圖示）。 各到刀片31之中央處及靠底部處分別設有呈橫 向貝穿的-第-通孔311及一第二通孔312 ;該第一 通孔311之孔徑略大於該第一樞軸犯的外徑，且該 200916388 第二通孔312之孔徑略大於該第二樞軸33的外徑， 使得該第一樞軸32係可對應穿過各刮刀片31之第一 通孔311，且該第二樞轴33係可對應穿過各刮刀片 31之第二通孔312,而將該等刮刀片31串接在一起； 配合第四圖所示，在本實施例中，該刮刀片31之第 一通孔311的二端面分別形成一凸緣313及一可供該 凸緣313配合套入的凹部314，使得該等刮刀片31 之間係可利用凸緣313套入凹部314而相鄰接。 在本實施例中，該第一枢軸32係一例如金屬的 剛性樞軸，且該第一樞轴32之二端部321係個別地 穿過一對應刮刀座2之第一穿孔221且受固定，在本 實施例中，係利用一迫緊螺絲24將該第一樞軸32的 各端部321鎖固於刮刀座2上；而該第二樞轴33係 一例如鋼索的撓性繩，且該第二樞軸33之二端部331 係個別地穿過一對應刮刀座2之第二穿孔222且受固 定，在本實施例中，係在該第二樞軸33的第一端部 (左侧端部）331裝設一套頭332來形成定位，並在 該第二樞軸33的第二端部（右側端部）裝設一套桿 333，該套桿333上裝設一伸縮彈簧334及一華司擋 板335來形成定位，當調整該擋板335之位置時，係 可調整第二樞軸33之緊度；或者，亦可利用一迫緊 200916388 螺絲25將該第二樞轴33的各端部331鎖固於刮刀座 2上，如第六圖所示。 依據本發明構成的清潔裝置10於組裝上，係以 第一樞軸32對應穿過各刮刀片31之第一通孔311， 且以第二樞軸33對應穿過各刮刀片31之第二通孔 312’而將該等刮刀片31串接，並裝設於該二刮刀座 2之間，如第二圖及第六圖所示，在本實施例中，係 在最左側之到刀片31凹部314内套裝一套環34,藉 以使該到刀片31與該刮刀座2之接觸面降低；又當 該清潔裳置1G組裝後，係可移動該支架板u上的轴 座12來使到刀片31移到靠近輸送皮帶4下方的一適 菖位置且可利用該軸桿13或是該二刮刀座2的轉 動來調整刮刀片31相對皮帶4的則，使得各刮刀 片31的頂端315可調整到與皮帶4表面形成吻合的 一抵接位置。 依據本發明所形成的清潔裝置10於實施上，係 可藉由該剛性第一樞軸32與該撓性第二樞軸33的設 計來賦予該等刮刀片31受壓時具有自動調整抵緊張 力的效果，例如震動或皮帶跳動造成刮刀片31受到 衝擊力時，如第五圖所示，各刮刀片31係可利用第 樞軸33的撓性而以第一樞軸32為軸心做細微角度 11 200916388 的偏擺（如圖中假想線所示），以避免刮刀片31與 皮帶4表面有過緊或過鬆的接觸現象，而能確保對皮 帶4進行刮除殘留物的清潔作業。 參閱第七圖至第九圖，顯示依據本發明特徵構成 之清潔裝置20第二實施例，該實施例與第一實施例 之差異在於該刮刀座2之第一穿孔221及一第二穿孔 222的配置型態，即在本實施例中，該二穿孔221、 222係隔開地設在一與該支持部212延伸方向概呈平 行的抽線26上；就本實施例的設計型態，係可提高 刮刀3的架設高度。 參閱第十圖’顯示依據本發明特徵構成之清潔裝 置30第二實施例，該實施例與第一實施例之差異在 於該刮刀片31的外型，即在本實施例中，該刮刀片 31係概呈弧狀型態；如第一圖之標號3〇所指，依據 本實施例的清潔裝置30係可安裝在輸送皮帶 4之端 邊處用以對皮帶4進行第一道的刮除作業。 在前述說明書中’本發明僅是以特定之實施例作 描述，而依本發明的設計特徵將可作多種變化或修改 疋可了解的。是以，對於熟悉此項技藝人士可作之明 顯替換與修改，仍將併人本發明主張的專利範圍之 内。 【圖式簡單說明】 200916388 第-圖係顯示依據本發明構成之清潔裝置配置在輸 送皮帶之下游處的示意圖； 第二圖係本發明第—實施例的組合立體圖； 第二圖係第二圖的元件分解略圖； 第四圖係第二圖之刮刀的剖視圖； 第五圖係第二圖之一縱向剖視圖，並顯示刮刀受壓做 擺轉的示意圖； 第六圖係沿第五圖之6_6線所取的剖視圖； 第七圖係本發明第二實施例的組合立體圖； 第八圖係第七圖的元件分解略圖； 第九圖係第七圖之一縱向刮視圖，並顯示刮刀受壓做 擺轉的示意圖；及 第十圖係本發明第三實施例的組合立體圖。 【主要元件符號說明】 10.20.30.清潔裝置1.安裝架 Π.支架板 111.長條孔 112.螺絲 12.轴座 121.轴孔 13.轴桿 131.端部 14.螺絲 2.刮刀座 21.環部 211.開口 212.環孔 213·凸緣 214.螺絲 13 200916388 22.支持部 221.第一穿孔 222.第二穿孔 23.軸線 24. 25.螺絲 2 6.軸線 3.刮刀 31.刮刀片 311.第一通孔 312.第二通孔 313.凸緣 314.凹部 315.頂端 3 2.第一柩轴 321.端部 33.第二柩轴 331.端部 332.套頭 333.套桿 334.彈簧 335.擋板 34.套環 4.皮帶 41.殘留物 14200916388 IX. Description of the Invention: [Technical Field] The present invention provides a doctor blade structure for cleaning a conveyor belt, and more particularly to a blade structure for removing residue on a conveyor belt. [Prior Art] In the process of transporting bulk cargo such as gravel, concrete or coal mine, it is inevitable that some residue will adhere to the surface of the belt. If these residues are not removed properly, it will affect the belt's conveying effect and shorten the life of the belt. In order to scrape the residue adhered on the conveyor belt and prevent pollution of the environment, a scraper that can be used as a cleaner is generally installed downstream of the blanking of the belt, and the top of the scraper abuts against the surface of the conveyor belt, so that the belt The residue on the residue can be cleaned during the return stroke of the belt cycle. In order to make the belt blade have a higher cleaning effect, the conventional technology has the announcement No. 341233 "Battery cleaner improved structure of the belt cleaner", No. 477350 "Belt cleaner blade device" and No. 491281 "Belt cleaning blade device" Design of new patents such as adjustment structure. These belt cleanings are implemented in the downstream of the conveyor belt and are attached to the belt surface by a doctor blade so that the blade can achieve the effect of cleaning the residue on the belt. However, when the belt cleaner 200916388 scrapes off the residue on the belt surface, the external force generated by the scraper scraping the impact is prolonged, which tends to cause looseness between the scraper and the scraper seat. Thus, the scraping force of the scraper is greatly reduced. , seriously affect the effectiveness of the belt cleaner * Especially when the blade is implemented with carbonized crane material or ceramic material, its shortcomings are more visible. SUMMARY OF THE INVENTION The present inventors have intensively studied the design and have produced the present invention in view of this. Therefore, the main object of the present invention is to provide a scraper structure for cleaning a conveyor belt, the scraper structure having a flexible swinging and adjustable flexible swinging resistance scraper, so that the scraper can absorb the impact force caused by the belt vibration, achieving The strength of the setting of the blade can be maintained for a long period of time, and the advantage of the structure is simple. The doctor blade structure constructed according to the present invention comprises: two blade holders; a doctor blade pivotally connected between the two blade holders; and a flexible member connecting the blade and the blade holder to make the blade and the blade There is a flexible swing on the seat. In one embodiment, the doctor blade is formed by a plurality of doctor blades juxtaposed adjacent to each other. In one embodiment, each of the doctor blades has a through hole extending therethrough, and the flexible member is formed through the through holes of each of the doctor blades so that each of the doctor blades has a flexible swing on the blade holder. 6 200916388 In one embodiment, the flexible member is a flexible rod or cord having two ends, and the blade holder is provided with a perforation at a position of the through hole of the doctor blade. The through hole of the blade is scraped and the two ends thereof are individually passed through the perforations of the holder and fixed. In the actual example, the two blade holders are locked to a shaft and are disposed below the conveyor belt by the two-axis seat. In an embodiment, the doctor seat has an open-ended ring that is spliced to the shaft. In an embodiment +, the flexible member is a cable. In the case of the 'knowledge', each of the doctor blades forms a flange on the end face of the hinged plum hole and a recessed portion that can be fitted into the flange so that the blade can be used between the doctor blades. The edge is nested in the recess and adjacent to each other. Made of materials. The scraping blade is made of carbonized crane material or ceramics. In the embodiment, a set of rods is arranged at one end of the flexible member, and a telescopic spring and a Chinese baffle are formed on the sleeve to form a positioning. In an embodiment, the pivot is a rigid pivot. In an embodiment, the pivot is a flexible member. Other objects, advantages and features of the invention will be apparent from the following description. 200916388 The structural design of the present invention will be further described by way of example only and not limitation, and with reference to the accompanying drawings: Referring to the first figure, showing a device according to an embodiment of the present invention The 10 series is disposed at the downstream of the blanking of the conveyor belt 4 for scraping the residue 41 on the belt 4; and as shown in the second and third figures, the cleaning device 10 includes a mounting frame and two scraper seats 2 And a scraper 3. In this embodiment, the mounting bracket includes a pair of L-shaped strips 11 which are fixedly spaced apart from the frame below the conveyor belt 4 (not shown); A shaft seat 12 is mounted on each of the bracket plates. In this embodiment, a long hole 111 is formed in each of the bracket plates u, and each of the shaft seats 12 is locked by the screw 112 through the elongated hole 111. On the bracket plate n, after the screw 112 is loosened, the mounting position of the axle seat 12 can be adjusted. Each shaft seat 12 has a shaft hole 121, and a shaft 13 passes through the shaft hole 121 of the two-axis seat 12. In the embodiment, the shaft 13 is a round tube, and the two ends 131 of the tube They are individually passed through the shaft hole 121 of the axle seat 12 and individually locked by a screw (flange clamp) 14. The two blade holders 2 are joined to the shaft 13 of the aggregating frame 1 in a spaced apart manner, and the separation distance is straddle the two sides of the width of the conveyor belt 4 in the direction of 200916388; in this embodiment, each of the blade holders 2 includes a ring portion 21 having an opening 211 and a support portion 22 formed by the ring portion 21 extending outwardly. The ring hole 212 in the ring portion 21 is for the shaft 13 to pass through, and the ring portion 21 is The two ends of the opening 211 respectively extend with a flange 213 ′. The two flanges 213 are locked by screws 214 (flange clamps), and the respective blade holders 2 can be assembled on the handsome rod 13 so that the blade holder 2 is further It can be assembled on the mounting frame. The support portion 22 of each of the blade holders 2 is provided with a first through hole 221 and a second through hole 222 which are transversely penetrated. In the embodiment, the two through holes 221 and 222 are spaced apart from the support portion 212. The direction is generally on the vertical axis 23. The scraper blade 3 includes a plurality of scraper blades 31 adjacent to each other and a first tow shaft 32 and a second pivot shaft 33 that can be connected in series with the scraper blades 31. The doctor blade 31 can be made of, for example, high hardness and high hardness. For the material of the wear, in the present embodiment, the doctor blade 31 is made of a ceramic body; or the blade 31 may be made of a rubber material and embedded with tungsten carbide or a material at the top (not Graphic). Each of the center of the blade 31 and the bottom portion are respectively provided with a through-hole-through hole 311 and a second through hole 312; the aperture of the first through hole 311 is slightly larger than the first pivot The outer diameter of the second through hole 312 of the 200916388 is slightly larger than the outer diameter of the second pivot 33, so that the first pivot 32 can correspond to the first through hole 311 of each of the doctor blades 31, and the The second pivot 33 can correspond to the second through holes 312 of each of the doctor blades 31, and the doctor blades 31 are connected in series; as shown in the fourth figure, in the present embodiment, the doctor blades 31 The two end faces of the first through hole 311 respectively form a flange 313 and a recess 314 which can be fitted into the flange 313 so that the blade 31 can be nested into the recess 314 by the flange 313. Adjacent. In this embodiment, the first pivot 32 is a rigid pivot such as a metal, and the two end portions 321 of the first pivot 32 are individually passed through the first through hole 221 of the corresponding blade holder 2 and are fixed. In the present embodiment, each end portion 321 of the first pivot 32 is locked to the blade holder 2 by a pressing screw 24; and the second pivot 33 is a flexible cord such as a steel cable, and The two ends 331 of the second pivot 33 are individually passed through a second through hole 222 of a corresponding blade holder 2 and are fixed, in the present embodiment, at the first end of the second pivot 33 ( The left end portion 331 is provided with a set of heads 332 for forming a positioning, and a second end portion (right end portion) of the second pivot shaft 33 is provided with a set of rods 333, and a sleeve spring 333 is provided with a telescopic spring 334 and a slab baffle 335 to form a positioning, when the position of the baffle 335 is adjusted, the tightness of the second pivot 33 can be adjusted; or, the second pivot can be tightened by a tightening 200916388 screw 25 Each end portion 331 of the lock 33 is locked to the blade holder 2 as shown in the sixth figure. The cleaning device 10 constructed in accordance with the present invention is assembled such that the first pivot 32 corresponds to the first through hole 311 of each of the doctor blades 31, and the second pivot 33 corresponds to the second of each of the doctor blades 31. The through holes 312' are connected in series to the scraping blades 31, and are disposed between the two blade holders 2, as shown in the second and sixth figures. In the present embodiment, the blades are on the leftmost side. A recess 34 is provided in the recess 314 to reduce the contact surface between the blade 31 and the blade holder 2; and when the cleaning skirt 1G is assembled, the shaft base 12 on the bracket plate u can be moved to make The blade 31 is moved to an appropriate position below the conveyor belt 4 and the shaft 13 or the rotation of the second blade holder 2 can be used to adjust the blade 31 relative to the belt 4 such that the tip 315 of each blade 31 It can be adjusted to an abutment position that forms an anastomosis with the surface of the belt 4. The cleaning device 10 formed in accordance with the present invention is implemented by the rigid first pivot 32 and the flexible second pivot 33 to impart automatic adjustment to the blade 31 when it is pressed. When the effect of the force, such as vibration or belt bounce, causes the doctor blade 31 to be subjected to an impact force, as shown in the fifth figure, each of the doctor blades 31 can utilize the flexibility of the pivot shaft 33 to make the first pivot 32 as the axis. The yaw of the fine angle 11 200916388 (shown by the imaginary line in the figure) prevents the blade 31 from being too tight or too loose on the surface of the belt 4, and ensures the cleaning of the belt 4 by scraping the residue. . Referring to the seventh to ninth drawings, a second embodiment of the cleaning device 20 constructed in accordance with the features of the present invention is shown. The difference between the embodiment and the first embodiment is that the first through hole 221 and the second through hole 222 of the blade holder 2 are different. In the embodiment, the two through holes 221 and 222 are spaced apart from each other on a drawing line 26 which is substantially parallel to the extending direction of the supporting portion 212; as in the design form of the embodiment, The erection height of the scraper 3 can be increased. Referring to the tenth figure, a second embodiment of a cleaning device 30 constructed in accordance with the features of the present invention is shown. The difference between this embodiment and the first embodiment lies in the appearance of the doctor blade 31, i.e., in the present embodiment, the doctor blade 31 The system is in an arc shape; as indicated by the reference numeral 3〇 in the first figure, the cleaning device 30 according to the embodiment can be installed at the end edge of the conveyor belt 4 for performing the first scraping of the belt 4. operation. In the foregoing description, the invention has been described by way of specific embodiments, and various modifications and Therefore, it is obvious that those skilled in the art can make substitutions and modifications, and will still be within the scope of the patent claimed by the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 11 is a schematic view showing a cleaning device constructed in accordance with the present invention disposed downstream of a conveyor belt; a second view showing a combined perspective view of a first embodiment of the present invention; The fourth figure is a cross-sectional view of the scraper of the second figure; the fifth figure is a longitudinal cross-sectional view of the second figure, and shows a schematic view of the blade being pressed to make a swing; the sixth figure is 6_6 along the fifth figure 7 is a combined perspective view of a second embodiment of the present invention; the eighth drawing is an exploded view of the seventh drawing; the ninth drawing is a longitudinally scraped view of the seventh drawing, and shows the blade being pressed A schematic view of a swing; and a tenth diagram is a combined perspective view of a third embodiment of the present invention. [Main component symbol description] 10.20.30. Cleaning device 1. Mounting frame 支架. Bracket plate 111. Long hole 112. Screw 12. Shaft seat 121. Shaft hole 13. Shaft 131. End 14. Screw 2. Scraper Seat 21. Ring 211. Opening 212. Ring hole 213 · Flange 214. Screw 13 200916388 22. Support portion 221. First perforation 222. Second perforation 23. Axis 24. 25. Screw 2 6. Axis 3. Scraper 31. Scraper blade 311. First through hole 312. Second through hole 313. Flange 314. Recessed portion 315. Tip end 3. 2. First 柩 shaft 321. End portion 33. Second 柩 shaft 331. End portion 332. 333. Set of rods 334. Springs 335. Baffles 34. Collars 4. Belts 41. Residues 14