1298664 九、發明說明·· 【發明所屬之技術領域】 本發明是有關於一種加工機，特別是指一種具有雙工 作台可有效提高生產效率的雙工作台加工中心機。 【先前技術】 ㈣1所示’為了提高生產效率，因此有#者研發出 一種可以交換工作台的加工機10,該加工機1〇具有一機台 11，一安裝在該機台11上方並可沿一水平方向χ移動的機 頭12, 一安裝於該機頭12並可沿一直立方向z移動的主軸 座13, 一安裝在該機台丨丨上方並可沿該直立方向z原位轉 動及升降的交換台14’ -安裝在該機台u上方並可沿該前 後方向γ移動的工作台座15，及可受該交換台14夾置並可 被該工作台座15載運的一第一工作台16與一第二工作台 17 〇 使用時，是先令該交換台14藉由其夾口 141夾置前述 工作台16、17，然後令該工作台座15沿該前後方向γ朝向 該交換台14移動，同時令該交換台14沿該直立方向ζ上 升’當該工作台座15位於該交換台14下方，即鬆放該第 一工作台16使其位於該工作台座15上方，之後再令該工 作台座15沿該前後方向γ朝向該主軸座13移動至預設加 工位置，進而可藉由安裝於該主轴座13的刀具（圖未示）對 位於該第一工作台16上的第一工件181進行加工，當加工 凡成，則令该工作台座15載運該第一工作台16與該第一 工件181沿該前後方向γ朝向該交換台14移動，然後令該 1298664 _ 父換台14沿該直立方向z下降並夾置該第一工作台16，最 後令該交換台14轉動丨80度，就可以再依照前述步驟對置 於該第二工作台17上的第二工件182進行加工，同時可取 下已加工完成的該第一工件181。 4加工機10雖然可以藉由該交換台14的設計，達到 父換前述工作台16、17並分別對該第一工件181、第二工 件182進行加工的使用功能，但實際上仍存在下列缺失·· • 一、因為該第一工件181加工完成後，尚得藉由該工 作台座15載運該第一工作台16與該第一工件181移動至 邊父換台14處，並與該第二工作台17交換後，才能對該 第二工件182進行加工，存有等待時間較長，導致生產效 率較差的缺失。 二、因為須藉由該交換台14夾置、鬆放前述工作台16 、17,然後轉動、升降，才能完成交換該第一工作台16、 遠第二工作台17的作業，實務上存有該交換台14較易浮 # 動、脫位，導致組件精度較不易控制，進而影響該第一工 _ 件181、δ亥弟二工件j 82加工品質的缺失。 一、進行加工作業時，等待加工的工件容易被喷濺的 碎屑附著，導致影響加工品質的缺失。 四、因為該交換台14整體設計較複雜，所以存有較不 易、不便維修的缺失。 【發明内容】 因此本發明之目的是在提供一種可以縮短等待加工 時間以k网生產效率，可提昇加工品質及維修較方便的雙 1298664 工作台加工中心機。 /於是，本發明雙工作台加工中心機包含一機台，分別 ::於該機台並可沿—前後方向往復移動的一第一工作台 與-第二工作台’―安裝於該機台並可沿—水平方向往: 移動的承鮮元’―安裝於該承鮮元的機頭Μ，及一 固置於該機台並位於前述工作台之間的隔板。 向朝上延伸的支撐座 §機口匕括纟座’及-自該底座的-側沿該直立方[Technical Field] The present invention relates to a processing machine, and more particularly to a double table machining center machine having a duplex working table which can effectively improve production efficiency. [Prior Art] (4) 1 In order to improve the production efficiency, there is a processing machine 10 that can exchange a workbench, and the processing machine 1 has a machine table 11 which is installed above the machine table 11 and a head 12 that moves in a horizontal direction, a spindle holder 13 mounted on the head 12 and movable in the upright direction z, mounted above the table and rotatable in situ in the upright direction z And a lifting and lowering exchange 14' - a table base 15 mounted above the table u and movable in the front-rear direction γ, and a first work that can be sandwiched by the exchange table 14 and can be carried by the table base 15 When the table 16 and the second table 17 are used, the switch table 14 is first slid by the chuck 141 to sandwich the table 16, 17 and then the table 15 is oriented in the front-rear direction γ toward the switch table. 14 moves while causing the exchange table 14 to rise in the upright direction. 'When the work pedestal 15 is located below the exchange table 14, the first work table 16 is loosened to be placed above the work pedestal 15, and then the The work pedestal 15 faces the main shaft seat 13 in the front-rear direction γ Moving to a preset machining position, the first workpiece 181 located on the first table 16 can be processed by a tool (not shown) mounted on the spindle base 13 to make the work The pedestal 15 carries the first table 16 and the first workpiece 181 to move toward the exchange table 14 along the front-rear direction γ, and then causes the 1298664 _ parent change table 14 to descend along the upright direction z and sandwich the first table 16. Finally, the exchange table 14 is rotated by 80 degrees, and the second workpiece 182 placed on the second table 17 can be processed according to the foregoing steps, and the processed first workpiece 181 can be removed. 4 The processing machine 10 can realize the use function of processing the first workpiece 181 and the second workpiece 182 by the father changing the worktables 16 and 17 by the design of the exchange table 14, but actually the following defects still exist. 1. After the first workpiece 181 is processed, the first table 16 and the first workpiece 181 are transported to the side of the table 14 by the workbench 15, and the second After the work table 17 is exchanged, the second workpiece 182 can be processed, and there is a long waiting time, resulting in a lack of production efficiency. 2. The work of exchanging the first table 16 and the far second table 17 can be completed because the table 14 and 17 are placed and released by the exchange table 14 and then rotated and lifted. The exchange table 14 is relatively easy to float and dislocate, resulting in the component accuracy being less controllable, thereby affecting the lack of processing quality of the first workpiece 181 and the δ haidi two workpiece j 82. 1. When performing machining operations, the workpiece waiting for machining is easily attached by the spattered debris, which affects the lack of processing quality. Fourth, because the overall design of the exchange 14 is more complicated, there is a lack of easy and inconvenient maintenance. SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a dual 1298664 workbench machining center machine which can shorten the waiting processing time to k mesh production efficiency, improve processing quality, and is convenient to maintain. / Thus, the double workbench machining center machine of the present invention comprises a machine table, respectively: a first work table and a second work table that are reciprocally movable in the front-rear direction of the machine table - installed on the machine table And along the horizontal direction: the moving fresh element '- is mounted on the head of the fresh-keeping element, and a partition fixed on the machine and located between the aforementioned worktables. a support seat extending upwards § the mouth of the base ’ ’ ' and - from the side of the base along the straight cube
該第工作台、該第二工作台是分別用以載運一第 工件、一第二工件。 該承載單元包括一跨置在該支撐座頂部的承座，及沿 。亥水平方向分別安裝在該承座與該支揮座之間的一水平向 驅動組與數水平向導移組。該水平向驅動組是用以驅動該 承座沿該水平方向往復移動，前述水平向導移組是用以使 該承座平穩順暢地移動。 该機頭單元包括一固置於該承座的托座，及一安裝於 該托座並可沿該直立方向往復移動的刀座。 該隔板是用以防止碎屑喷濺到前述工件。 藉此，只需藉由該第一工作台、該第二工作台載運前 述工件並分別沿該前後方向移動到預設加工位置，及令該 機頭單元藉由該承載單元沿該水平方向移動到該第一工作 台或該第二工作台上方，再令該機頭單元的刀座沿該直立 方向下降’就可進行加工作業，藉此使本發明具有等待加 工時間短相對可提高生產效率的特性。 1298664 【實施方式】 本發明雙工作台加工中心機前述以及其他技術内容、 ' 特點與功效，在以下配合參考圖式之一較佳實施例的詳細 說明中，將可清楚的明白。 在詳細說明前要注意的是，在整篇說明書中所使用的 相對位置用語，例如“水平方向X”、“前後方向γ，，、“直 立方向z”是以各圖所示的座標方向為基準，且該水平方向 X與該前後方向γ及該直立方向z彼此垂直。 如圖2所示，本發明雙工作台加工中心機包含一機台 2〇，分別女裝在該機台20内並相互間隔且可沿該前後方向 Y往復移動的一第一工作台30與一第二工作台4〇, 一安裝 於忒機台20並可沿該水平方向χ往復移動的承載單元5〇， 固置於該承載單元50的機頭單元6〇，及一固置於該機台 20並位於前述工作台3〇、4〇之間的隔板7〇。 該機台20包括一沿該水平方向χ延伸的底座21，一自 丨 忒底座21的一側沿該直立方向z朝上延伸的支撐座22，及 安裝於該機台23的二外蓋23。 如圖3、4、5、6所示，該底座21具有沿該前後方 向γ延伸並相互間隔的一第一導塊211及一第二導塊212。 該支撐座22具有呈反向的一内側面221與一外側面 222，一連接該内側面221與該外側面222的頂侧面223， 及一設置於該内側面221近底部處的内凹部224。 該第一工作台30是安裝於該底座21的第一導塊211上 方，並可受驅動而沿該前後方向γ往復移動。 8 1298664 該第二工作台4〇是安裝於該底座21的第二導塊212 上方，並可受驅動而沿該前後方向γ往復移動。 該承載單元50包括一跨置在該支撐座22頂部的承座 51，及沿該水平方向X分別安裝在該承座51與該支撐座 之間的一水平向驅動組52與數水平向導移組53。 該承座51具有一位於该支撐座22的頂側面223上方 的連接塊5U，-自該連接塊511的一側沿該直立方向2往 下彎折並位於該支撐座22的外側面222外的第一侧塊512 ，及一沿該直立方向Z固置於該連接塊511的另一侧並位 於該支撐座22的内側面221外的第一侧塊513。 該水平向驅動組52具有一沿該水平方向χ安裝於該支 撐座22並可原位轉動的水平螺桿521，及一固置於該承座 51的第二側塊513並螺設於該水平螺桿521的水平螺套 522,當該水平螺桿521產生轉動，就可以驅動該水平螺套 522帶動該承座51沿該水平方向χ移動。 前述水平向導移組53在該較佳實施例中是舉三組線性 滑執為例進行說明，分設有安裝在該承座51的第一侧塊 512與該支撐座22的外側面222之間的一水平向導移組w ，及安裝在該承座51的第二側塊513與該支撐座22的内 側面221之間的二水平向導移組53。進一步地，每一水平 向導移組53是由-導軌531及一滑設於該導軌531的滑塊 532所組成，在該較佳實施例中，前述導軌531是分別固置 於該外側面222、該内側面221，前述滑塊532是分別固置 於違第-側塊512、第二側塊513，但不應以此限制該水平 1298664 向導移組5 3的安梦古斗、 裝方式，也可以將該導執531與該滑塊 532的安裝位置交換。 ^ “表座51與該支撐座22之間呈三面貼觸導移 =計’及前述水平向導移組53的設置，使該承座51得以 千穩、順暢地沿該水平方向X移動。 ”亥機頭早70 60包括一固置於該承座51的第二側塊513 的托座61，及一容胜认# t 女裝於該托座61並可沿該直立方向z往復 ^動:刀座62。該刀座62是用以供一刀具（圖未示 對工件進行加工。 A該隔板7〇疋用以隔開該第-工作台30與該第二工作 不妨礙該機碩單元6〇的移動，具有可以防止進行 加工作業時，噴_碎屬掉落在待加工卫件上的作用。 置放St是先將一第一工件81與-第二工件82分別 ^ 工作台30、該第二工作台40上，然後令該第 一工作台3〇、兮筮一卞仏， «一 第一工作台40沿該前後方向γ朝向該機頭 平兀60移動至預設加卫位置，之後令該承載單元％ 該機頭單元60沿該水平方向χ移動至該 ’然後令該機頭單元6G的刀座62沿該直立方向z 預設位置’隨即開始對該第―卫件81進行加i 作業完成，令該刀座畫立方4到加工 ，口该直立方向Ζ上升至預設位置， …Ή該承載單^ 5G載運該機頭單it 6G沿該水平方向χ =至該第二卫件82上方，之後令該機頭單元60的刀座 62沿該直立方向Ζ下降至預設位置，隨即開始對該第二工 件82進仃加工，在該機頭單元60藉由該承載單元5〇沿該 10 1298664 水平方向X移動至該第二工件82上方的同時，可令該第一 工作台30載運已加工完成的該第一工件81沿該前後方向γ 朝向該機頭單元60的反向移動至預設位置，然後取下已加 工完成的該第一工件81，並放置一待加工的第一工件81， 隨即令該第一工作台30沿該前後方向γ朝向該機頭單元6〇 移動至預設加工位置，等到該第二工件82加工完成，再令 該承載單元50載運該機頭單元60沿該水平方向X移動至 忒第一工件81上方，同時令該第二工作台4〇載運已加工 完成的該第二工件82沿該前後方向γ朝向該機頭單元6〇 的反向移動至預設位置，然後取下已加工完成的該第二工 件82，並放置一待加工的第二工件82，隨即令該第二工作 台40沿該前後方向γ朝向該機頭單元6〇移動至預設加工 位置等待加工。藉由上述動作不斷循環，就可以有效率地 進行加工作業。 此外，藉由該支撐座22的内凹部224的設計，則具有 可加長該第-工作台30、該第二工作台4〇的移動行程的作 用。 歸納上述，本發明雙工作台加工中心機具有如下所述 之功效及優點，故確實能達成發明目的： 一、因為本發明是藉由該第一工作台3〇與該第二工作 台分別載運該第一工件81、該第二工件82沿該前後方 °移動至加位置’同時令該承載單元％載運該機頭單 疋6〇沿該水平方向X移動至該第-卫件或該第二工件 82上方並進行加卫作業，藉此使本發明具有等待加工時間 11 1298664 對可效提高生纽麵功效及優點。 因為本發明疋藉由該第一工 _ 台40分別作 w, 件81、該第二巧82沿該前後方 元n /工位置’同時令該承載單元50載運該機頭單 用六換:方向X移動至加工位置，所以不會有類似習 14的易產生淨動、脫位問題存在，相對有組件精 又又控制、可提高加工品質的功效及優點。 三、因為本發明設置有該隔板70隔開該第一工作台30 與該第二工作纟4G’所以可以防止喷濺的碎料落在該第 一工件8卜該第二工件82上’相對具有可以提高加工 功效及優點。 ' 四、因為本發明整體組件設計較簡潔，所以具有可較 容易、較方便維修的功效及優點。 惟以上所述者，僅為本發明之一較佳實施例而已，當 不能以此限定本發明實施之範圍，即大凡依本發明申請專 利範圍及發明說明内容所作之簡單的等效變化與修飾，皆 仍屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是一習用加工機的立體圖； 圖2是本發明雙工作台加工中心機一較佳實施例的一 外觀立體圖； 圖3是該較佳實施例的一前視示意圖，說明一第一工 作台與一第二工作台安裝在一機台上的狀態，為了清楚看 到一機頭單元的刀座，特將一罩蓋刪除； 12 1298664 圖4是該較佳實施例的一局部背視立體圖，說明一承 載單元； 圖5是該較佳實施例的一側視圖，說明該承載單元及 一機頭單元；及 '圖6是該較佳實施例的一局部立體圖，說明該機台、 該第二工作台、該承載單元及該機頭單元。The first working table and the second working table are respectively configured to carry a first workpiece and a second workpiece. The carrying unit includes a socket spanning the top of the support base, and an edge. The horizontal direction of the sea is respectively installed between a horizontal driving group and a horizontal guiding group between the socket and the support. The horizontal driving group is for driving the socket to reciprocate in the horizontal direction, and the horizontal guiding group is for smoothly and smoothly moving the socket. The handpiece unit includes a bracket fixed to the socket, and a blade seat mounted to the bracket and reciprocable in the upright direction. The baffle is used to prevent debris from being sprayed onto the workpiece. Thereby, the workpiece is carried by the first table and the second table, and moved to the preset processing position in the front-rear direction, respectively, and the head unit is moved in the horizontal direction by the carrying unit. Going to the first table or the second table, and then lowering the seat of the head unit in the upright direction, the machining operation can be performed, thereby making the invention have a short waiting time and can improve the production efficiency. Characteristics. 1298664 [Embodiment] The foregoing and other technical contents, features and functions of the dual-stage machining center of the present invention will be clearly understood from the following detailed description of a preferred embodiment of the drawings. Before the detailed description, it should be noted that the relative positional terms used in the entire specification, such as "horizontal direction X", "front and rear direction γ,", "upright direction z" are the coordinate directions shown in the respective figures. a reference, and the horizontal direction X and the front-back direction γ and the upright direction z are perpendicular to each other. As shown in FIG. 2, the double-table machining center machine of the present invention comprises a machine 2, respectively, in which the women's wear is respectively And a first table 30 and a second table 4, which are mutually spaced and reciprocable along the front-rear direction Y, a load-bearing unit 5〇 mounted on the machine table 20 and reciprocally movable in the horizontal direction, The head unit 6〇 fixed to the carrying unit 50, and a partition 7〇 fixed to the machine table 20 and located between the working tables 3〇, 4〇. The machine 20 includes a level along the level a base 21 extending in a direction, a support seat 22 extending upward from the side of the base 21 in the upright direction z, and a second cover 23 mounted on the machine base 23. As shown in Figures 3, 4, and 5, As shown in FIG. 6, the base 21 has a first guide block 211 extending in the front-back direction γ and spaced apart from each other. a second guiding block 212. The supporting base 22 has an inner side surface 221 and an outer side surface 222 opposite to each other, a top side surface 223 connecting the inner side surface 221 and the outer side surface 222, and a bottom side 223 disposed on the inner side surface 221 The inner working portion 30 is mounted on the first guiding block 211 of the base 21 and is driven to reciprocate in the front and rear direction γ. 8 1298664 The second working table 4〇 It is mounted above the second guiding block 212 of the base 21 and is driven to reciprocate in the front-rear direction γ. The carrying unit 50 includes a socket 51 spanning the top of the supporting base 22, and along the level The direction X is respectively mounted on a horizontal driving group 52 and the horizontal guiding group 53 between the socket 51 and the supporting base. The socket 51 has a connecting block 5U located above the top side 223 of the supporting seat 22. a first side block 512 bent from the side of the connecting block 511 in the upright direction 2 and located outside the outer side surface 222 of the support base 22, and a fixing block in the upright direction Z The other side of the 511 is located on the first side block 513 outside the inner side 221 of the support base 22. The horizontal drive group 52 has a horizontal screw 521 mounted on the support base 22 in the horizontal direction and rotatable in the same direction, and a second side block 513 fixed to the base 51 and screwed at the level. The horizontal screw sleeve 522 of the screw 521 can drive the horizontal screw sleeve 522 to drive the socket 51 to move in the horizontal direction when the horizontal screw 521 is rotated. The horizontal guide group 53 is in the preferred embodiment. Taking a set of three linear slides as an example, a horizontal guide group w installed between the first side block 512 of the socket 51 and the outer side surface 222 of the support base 22 is disposed, and is mounted on the bearing A two-level guide group 53 between the second side block 513 of the seat 51 and the inner side surface 221 of the support base 22. Further, each horizontal guide group 53 is composed of a guide rail 531 and a slider 532 slidably disposed on the guide rail 531. In the preferred embodiment, the guide rails 531 are respectively fixed on the outer side surface 222. The inner side surface 221, the slider 532 is fixed to the first side block 512 and the second side block 513, respectively, but the horizontal 1298664 guide group 5 3 should not be restricted by this. The guide 531 can also be exchanged with the mounting position of the slider 532. ^ "The three-sided contact guide between the table 51 and the support base 22 and the arrangement of the horizontal guide shifting group 53 enable the holder 51 to move stably and smoothly along the horizontal direction X." The head 7060 includes a bracket 61 fixed to the second side block 513 of the socket 51, and a yoke yoke for the bracket 61 and reciprocating along the upright direction z : Knife holder 62. The tool holder 62 is for a cutter (the workpiece is not shown to be processed. A. The partition 7 is used to separate the first table 30 and the second work does not interfere with the machine unit 6〇 The movement has the function of preventing the spray-spray from falling onto the workpiece to be processed when the machining operation is prevented. The placing of St is to first treat a first workpiece 81 and a second workpiece 82 respectively, the table 30, the first On the second workbench 40, the first workbench is then moved to the preset guard position along the front and rear direction γ, and then the first workbench 40 is moved to the preset guard position. The carrier unit % is moved in the horizontal direction to the 'then the blade holder 62 of the head unit 6G is in the upright direction z preset position' and then the first guard member 81 is started to be added. i The operation is completed, so that the tool holder draws the cube 4 to the processing, the mouth rises to the preset position in the upright direction, ... the carrier single ^ 5G carries the head single it 6G along the horizontal direction χ = to the second guard Above the member 82, the blade holder 62 of the head unit 60 is then lowered to the preset position in the upright direction, and then opened. The second workpiece 82 is processed, and the first working table 30 can be carried while the head unit 60 is moved to the second workpiece 82 along the horizontal direction X of the 10 1298664 by the carrying unit 5 The processed first workpiece 81 moves in the front-back direction γ toward the reverse direction of the head unit 60 to a preset position, and then the processed first workpiece 81 is removed, and a first to be processed is placed. The workpiece 81 then moves the first table 30 along the front-rear direction γ toward the head unit 6〇 to a preset processing position, and waits until the second workpiece 82 is processed, and then causes the carrier unit 50 to carry the head unit. 60 moves in the horizontal direction X above the first workpiece 81 while causing the second table 4 to carry the reverse movement of the processed second workpiece 82 in the front-rear direction γ toward the head unit 6〇 Up to the preset position, then removing the second workpiece 82 that has been processed, and placing a second workpiece 82 to be processed, and then moving the second table 40 toward the head unit 6 in the front-rear direction γ Waiting for processing at the preset machining position By continuously circulating the above operations, the machining operation can be performed efficiently. Further, by the design of the inner recessed portion 224 of the support base 22, the first table 30 and the second table 4 can be lengthened. The effect of the moving stroke. In summary, the double-table machining center machine of the present invention has the following advantages and advantages, and thus can achieve the object of the invention: 1. Because the present invention is the first working table 3 and the first The second working table respectively transports the first workpiece 81, and the second workpiece 82 moves along the front and rear sides to the adding position ' while the carrying unit % carries the head unit 6〇 and moves along the horizontal direction X to the first The garnish or the second workpiece 82 is over the garnishing operation, thereby enabling the present invention to have the processing time of 11 1298664 to improve the efficiency and advantages of the slab. Because the present invention is used by the first work unit 40 as w, the piece 81, the second skill 82 along the front and rear element n / work position ' at the same time, the load bearing unit 50 carries the machine head single use six: The direction X moves to the processing position, so there is no problem that the like 14 is easy to generate net movement and dislocation, and the components are fine and controlled, and the processing quality can be improved. 3. Since the present invention is provided with the partition plate 70 separating the first work table 30 and the second work surface 4G', it is possible to prevent the splashed debris from falling on the first workpiece 8 on the second workpiece 82. Relatively has the ability to improve processing and advantages. 4. Because the overall component design of the present invention is relatively simple, it has the advantages and advantages of being easier and more convenient to maintain. However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made by the scope of the present invention and the description of the invention. All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a conventional processing machine; FIG. 2 is a perspective view of a preferred embodiment of a dual table machining center according to the present invention; FIG. 3 is a front view of the preferred embodiment. A state in which a first workbench and a second workbench are mounted on a machine table, in order to clearly see the tool holder of a head unit, a cover is deleted; 12 1298664 FIG. 4 is a preferred embodiment FIG. 5 is a side elevational view of the preferred embodiment, illustrating the carrying unit and a head unit; and FIG. 6 is a partial perspective view of the preferred embodiment The machine table, the second work station, the carrying unit and the head unit are illustrated.
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【主要元件符號說明】 20____機台 21.. ..底座 211…第一導塊 212·.·第二導塊 22.. ..支撐座 221.. .内側面 222…外側面 223…頂側面 224···内凹部 23…·外蓋 30.…第一工作台 40.…第二工作台 50.·..承載單元 5 1....承座 511.. .連接塊 512.. .第一側塊 513.. .第二側塊 5 2....水平向驅動組 521.. .水平螺桿 522.. .水平螺套 5 3 ....水平向導移組 531··.導軌 532.. .滑塊 60…·機頭單元 61.. ..托座 62…·刀座 70.. ..隔板 81·.··第一工件 82.…第二工件 X. ....水平方向 Y. ....前後方向 Z. ....直立方向 14[Main component symbol description] 20____ machine 21... base 211...first guide block 212·.·second guide block 22... support seat 221.. inner side 222... outer side 223... top Side 224···Inner recess 23...·Outer cover 30....First table 40....Second table 50.·.. Carrying unit 5 1....Stand 511...Connection block 512.. The first side block 513.. the second side block 5 2. The horizontal drive group 521.. horizontal screw 522.. horizontal screw sleeve 5 3 .... horizontal guide shift group 531. Guide rail 532.. Slider 60...·Head unit 61.... bracket 62...·tool holder 70.... partition 81·.··first workpiece 82....second workpiece X. . . .. horizontal direction Y. .... front and rear direction Z. .... upright direction 14