CN222660141U - Double-B-axis structure of ultra-precise machine tool - Google Patents
Double-B-axis structure of ultra-precise machine tool Download PDFInfo
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- CN222660141U CN222660141U CN202420514918.7U CN202420514918U CN222660141U CN 222660141 U CN222660141 U CN 222660141U CN 202420514918 U CN202420514918 U CN 202420514918U CN 222660141 U CN222660141 U CN 222660141U
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Abstract
本实用新型公开了一种超精密机床的双B轴结构，包括立柱、正轴B轴结构和副轴B轴结构；立柱在使用状态下安装于机床床身上；正轴B轴结构安装在立柱上靠近机床副主轴的一侧，并且可在立柱上水平及竖直滑动；副轴B轴结构在使用状态下安装于机床床身上靠近机床副主轴的一侧，并且可相对机床床身竖直滑动；其中正轴B轴结构上的刀具可以对机床正主轴或机床副主轴夹持的工件进行加工，副轴B轴结构上的刀具可以对机床副主轴夹持的工件进行加工。本实用新型可以同时对两个工件进行加工，提高工件的加工效率，并且减少工件的装夹定位次数，提高了工件的加工精度。
The utility model discloses a double B-axis structure of an ultra-precision machine tool, comprising a column, a positive B-axis structure and a secondary B-axis structure; the column is installed on the machine tool bed in a use state; the positive B-axis structure is installed on the side of the column close to the secondary spindle of the machine tool, and can slide horizontally and vertically on the column; the secondary B-axis structure is installed on the side of the machine tool bed close to the secondary spindle of the machine tool in a use state, and can slide vertically relative to the machine tool bed; wherein the tool on the positive B-axis structure can process the workpiece clamped by the positive spindle or the secondary spindle of the machine tool, and the tool on the secondary B-axis structure can process the workpiece clamped by the secondary spindle of the machine tool. The utility model can process two workpieces at the same time, improve the processing efficiency of the workpiece, reduce the number of clamping and positioning times of the workpiece, and improve the processing accuracy of the workpiece.
Description
Technical Field
The utility model relates to a double-B-axis structure of an ultra-precise machine tool, and belongs to the technical field of machine tools.
Background
The tool used for processing the workpiece on the machine tool is arranged on a stand column between a machine tool main shaft and a machine tool auxiliary main shaft, the tool can move on the stand column along the horizontal direction and the vertical direction to process the workpiece, the part of the stand column on which the tool is arranged is called as a B-axis structure, the existing machine tool stand column is provided with only one B-axis structure, the workpiece clamped by the machine tool main shaft and the machine tool auxiliary main shaft is processed by the tool on the same B-axis structure, so the B-axis structure can not process the workpiece clamped by the machine tool main shaft at the same time, some workpieces with two ends processed need to be processed by the machine tool main shaft, after one end of the spindle is machined by the spindle B structure, the spindle B structure is used for cutting the spindle B, the cut workpiece is clamped on the auxiliary spindle of the machine tool, the other end of the spindle B structure is machined, in the situation, only one of the main spindle of the machine tool and the auxiliary spindle of the machine tool is used for machining the workpiece, the other is in a stop state, therefore, the machine tool in the prior art can only process one workpiece at the same time, and because the workpiece needs to be cut off and clamped again after one end of the workpiece is processed, the secondary clamping of the workpiece also needs time, and the workpiece after the secondary clamping needs to be positioned, the processing precision of the workpiece is difficult to effectively improve.
Disclosure of Invention
The utility model aims to provide a double-B-axis structure of an ultra-precise machine tool, which solves the technical defect of low machining efficiency of workpieces, of which two ends need to be machined, of the machine tool in the prior art.
The technical scheme includes that the double-B-axis structure of the ultra-precise machine tool comprises a stand column, a positive-axis B-axis structure and a secondary-axis B-axis structure, wherein the stand column is installed on the machine tool body in a use state, the positive-axis B-axis structure is installed on one side of the stand column, which is close to a secondary main shaft of the machine tool, and can slide horizontally and vertically on the stand column, the secondary-axis B-axis structure is installed on one side of the machine tool body, which is close to the secondary main shaft of the machine tool, in the use state, and can slide vertically relative to the machine tool body, a cutter on the positive-axis B-axis structure can process workpieces clamped by the positive main shaft or the secondary main shaft of the machine tool, and a cutter on the secondary-axis B-axis structure can process workpieces clamped by the secondary main shaft of the machine tool. According to the utility model, the positive axis B-axis structure is arranged on the upright post, the auxiliary axis B-axis structure is arranged on the machine tool body, after one end of a workpiece clamped by the positive axis B-axis structure of the machine tool is machined, the auxiliary axis of the machine tool is connected with and clamps one machined end of the workpiece, then the workpiece is cut off by a cutter on the positive axis B-axis structure, the workpiece clamped by the auxiliary axis of the machine tool is moved to the auxiliary axis B-axis structure, the other end of the workpiece is machined by the auxiliary axis B-axis structure, and meanwhile, one end of the workpiece clamped by the positive axis of the machine tool is machined by the positive axis B-axis structure, so that the clamping of the workpiece is reduced, the machining efficiency of the workpiece is improved, and the clamping and positioning of the workpiece machining process are reduced, so that the machining precision of the workpiece is improved.
As a further improvement of the utility model, the positive shaft B shaft structure comprises a first side milling seat A, a first side milling seat B, a first rotary driving motor, a first side milling driving motor and a first side milling power head A, wherein the first side milling seat A is slidably arranged on a stand column and can slide horizontally and vertically on the stand column, the top of the first side milling seat B is rotationally connected with the first side milling seat A, the first rotary driving motor is arranged on the first side milling seat A and is used for driving the first side milling seat B to rotate relative to the first side milling seat A, the first side milling driving motor is arranged on the first side milling seat A, the number of the first side milling power heads A is more than one and is arranged on the first side milling seat B along the horizontal direction, and the first side milling power head A is connected with the first side milling driving motor through a gear transmission structure and is driven by the first side milling driving motor to rotate for carrying out side milling processing on a workpiece or drilling on the workpiece. The positive axis B-axis structure can carry out side milling and drilling on the workpiece, so that the workpiece can be processed in various modes.
As a further improvement of the utility model, the auxiliary shaft B comprises an auxiliary shaft seat, a second side milling seat A, a second side milling seat B, a second rotary driving motor, a second side milling driving motor and a second side milling power head A, wherein the auxiliary shaft seat is used for being installed on a machine tool body in a use state, the second side milling seat A is slidably installed on the auxiliary shaft seat and can vertically slide on the auxiliary shaft seat, the top of the second side milling seat B is rotatably connected with the second side milling seat A, the second rotary driving motor is installed on the second side milling seat A and used for driving the second side milling seat B to rotate relative to the second side milling seat A, the second side milling driving motor is installed on the second side milling seat A, the number of the second side milling power heads A is more than one and is installed on the second side milling seat B in the horizontal direction, and the second side milling power head A is connected with the second side milling driving motor through a gear transmission structure and is driven to rotate by the second side milling driving motor and is used for carrying out side milling processing or drilling on a workpiece. The auxiliary shaft B shaft structure can carry out side milling and drilling on the workpiece, so that the workpiece can be processed in various modes.
The auxiliary shaft B shaft structure further comprises second side milling power heads B, the number of the second side milling power heads B is more than one, the second side milling power heads B are arranged on the second side milling seat A in the vertical direction, the second side milling power heads B are arranged on the first side milling seat A in the vertical direction, the first side milling power heads B are connected with a first side milling driving motor through a gear transmission mechanism and are driven to rotate by the first side milling driving motor for carrying out side milling on a workpiece, and the auxiliary shaft B shaft structure further comprises second side milling power heads B, the number of the second side milling power heads B is more than one and are arranged on the second side milling seat A in the vertical direction, and the second side milling power heads B are connected with the second side milling driving motor through the gear transmission mechanism and are driven to rotate by the second side milling driving motor for carrying out side milling on the workpiece. The positive shaft B shaft structure is provided with the first side milling power head B, so that the side milling of the workpiece can be further performed without adjusting the first side milling power head A, and the auxiliary shaft B shaft structure is provided with the second side milling power head B, so that the side milling of the workpiece can be further performed without adjusting the second side milling power head A.
As a further improvement of the utility model, the positive shaft B shaft structure comprises a first sliding plate A and a first cutter row, wherein the first sliding plate A is slidably arranged on the upright post and can slide horizontally and vertically on the upright post, the first side milling seat A is fixed on the first sliding plate A, the first cutter row is used for turning a workpiece, the first cutter row is arranged on the first sliding plate A, the cutting edge of the first cutter row faces the workpiece, the auxiliary shaft B shaft structure further comprises a second sliding plate A and a second cutter row, the second sliding plate A is slidably arranged on the second auxiliary shaft seat and can slide vertically on the auxiliary shaft seat, the second side milling seat A is fixed on the second sliding plate A, and the second cutter row is arranged on the second side milling seat A, and the cutting edge of the second cutter row faces the direction of the workpiece. The first cutter row and the second cutter row can carry out turning on the workpiece, and the processing function of the workpiece is increased.
As a further improvement of the utility model, the auxiliary shaft B structure further comprises an end milling power head which is mounted on the second side milling seat a and is arranged towards the auxiliary main shaft of the machine tool for milling the end face of the workpiece in the use state. According to the utility model, the end milling power head is arranged, so that the end milling of the workpiece can be performed.
As a further improvement of the utility model, the auxiliary shaft B structure further comprises boring cutter handles, the number of the boring cutter handles is multiple, and the boring cutter handles are arranged on the second side milling seat A and are parallel to the end milling power head for boring the workpiece in the use state. According to the boring tool, the boring tool handle is arranged, so that the boring function of the machine tool is increased.
As a further improvement of the utility model, the positive shaft B shaft structure further comprises a first hollow speed reducer, the first hollow speed reducer is arranged on the first side milling seat A, the top end of the first side milling seat B is rotationally connected with the first hollow speed reducer, a first rotary driving motor is arranged on the first hollow speed reducer and used for driving the first side milling seat B to rotate, a first connecting shaft A penetrating through the first hollow speed reducer is arranged in the first hollow speed reducer and used for connecting the first side milling driving motor with the first side milling power head A, the first connecting shaft A can rotate relative to the first hollow speed reducer, the auxiliary shaft B shaft structure further comprises a second hollow speed reducer, the second hollow speed reducer is arranged on the second side milling seat A, the top end of the second side milling seat B is rotationally connected with the second hollow speed reducer, a second rotary driving motor is arranged on the second hollow speed reducer and used for driving the second side milling seat B to rotate, a second connecting shaft A penetrating through the first hollow speed reducer and the second hollow speed reducer is arranged in the second hollow speed reducer and used for connecting the second side driving motor with the second side milling power head A, and the second connecting shaft A can rotate relative to the second hollow speed reducer. According to the utility model, the first hollow speed reducer and the second hollow speed reducer are arranged, so that the first side milling seat B is conveniently connected with the first side milling seat A in a rotating way, and the second side milling seat B is conveniently connected with the second side milling seat A in a rotating way.
As a further improvement of the utility model, the positive axis B shaft structure further comprises a sliding plate B, a horizontal driving motor and a vertical driving motor, wherein the sliding plate B is slidably arranged on the upright post, the first sliding plate A is slidably arranged on the sliding plate B, the horizontal driving motor is arranged on the upright post and is used for driving the sliding plate B to horizontally slide on the upright post, and the first vertical driving motor is arranged on the sliding plate B and is used for driving the first sliding plate A to vertically slide on the sliding plate B. According to the utility model, the sliding plate B is arranged, the sliding plate B horizontally slides on the upright post, the first sliding plate A horizontally slides relative to the upright post, and the first sliding plate A vertically slides relative to the upright post by vertically sliding the first sliding plate A relative to the sliding plate B, so that other parts mounted on the first sliding plate A horizontally move and vertically move relative to the upright post.
The positive shaft B shaft structure further comprises a horizontal guide rail, a horizontal sliding block, a first vertical guide rail, a first vertical sliding block horizontal screw and a first vertical screw, wherein the horizontal guide rail is arranged on a stand column along the horizontal direction, the horizontal sliding block is arranged on a sliding plate B, the horizontal sliding block is matched with the horizontal guide rail and can horizontally slide on the horizontal guide rail, the first vertical guide rail is arranged on the sliding plate B along the vertical direction, the first vertical sliding block is arranged on a first sliding plate A, the first vertical sliding block is matched with the first vertical guide rail and can vertically slide on the first vertical guide rail, one end of the horizontal screw is connected with a horizontal driving motor and is driven to rotate by the horizontal driving motor, the horizontal screw is in threaded fit with the sliding plate B and is used for driving the sliding plate B to horizontally slide, one end of the first vertical screw is connected with the first vertical driving motor and is driven to rotate by the first vertical driving motor, the first vertical screw is in threaded fit with the first sliding plate A, and the first vertical screw is rotated for driving the first sliding plate A to vertically slide. According to the utility model, the sliding plate B horizontally slides on the upright post through the sliding fit of the horizontal guide rail and the horizontal sliding block, the first sliding plate A vertically slides on the sliding plate B through the sliding fit of the first vertical guide rail and the first vertical sliding block, and the rotation of the lead screw is converted into the linear motion of the sliding plate through the threaded fit of the lead screw and the sliding plate, so that the first sliding plate A vertically moves and the sliding plate B horizontally moves.
In summary, the utility model has the beneficial effects that the utility model can process two workpieces at the same time, improves the processing efficiency of the workpieces, reduces the clamping and positioning times of the workpieces, and improves the processing precision of the workpieces.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is an exploded schematic view of the present utility model.
Fig. 3 is a schematic perspective view of another angle of the present utility model.
Wherein, 1, the upright post; 2, a positive axis B axis structure, 3, a machine tool auxiliary main axis, 4, a auxiliary axis B axis structure, 5, a machine tool positive main axis, 6, a first side milling seat A, 7, a first side milling seat B, 8, a first rotary driving motor, 9, a first side milling driving motor, 10, a first side milling power head A, 11, a first side milling power head B, 12, a first sliding plate A, 13, a first cutter row, 14, an end milling power head, 15, a boring cutter handle, 16, a first hollow speed reducer, 17, a sliding plate B, 18, a horizontal guide rail, 19, a first vertical guide rail, 20, a first vertical sliding block, 21, a horizontal guide screw, 22, a first vertical guide screw, 23, an auxiliary axis seat, 24, a second side milling seat A, 25, a second side milling seat B, 26, a second rotary driving motor, 27, a second side milling driving motor, 28, a second side milling power head A, 29, a second side milling power head B, 30, a second sliding plate A, 31, a second row, 32, a second hollow speed reducer, 33, a second vertical guide rail, 34 and a second vertical guide rail.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
The double B-axis structure of the ultra-precise machine tool shown in figures 1 to 3 comprises a stand column 1, a positive B-axis structure 2 and a secondary B-axis structure 4, wherein the stand column 1 is arranged on a machine tool body in a use state, a plurality of bolts are detachably arranged on the bottom of the stand column 1 and the machine tool body, a machine tool auxiliary main shaft 3 and a machine tool positive main shaft 5 of the machine tool are respectively arranged on two sides of the stand column 1, the positive B-axis structure 2 is arranged on one side of the stand column 1 close to the machine tool auxiliary main shaft 3 and can slide horizontally and vertically on the stand column 1, the secondary B-axis structure 4 is arranged on one side of the machine tool body close to the machine tool auxiliary main shaft 3 and can slide vertically relative to the machine tool body, the positive B-axis structure 2 and the secondary B-axis structure 4 are both arranged on one side close to the machine tool auxiliary main shaft 3, the utility model relates to a machine tool auxiliary spindle, which comprises a main spindle (5) of a machine tool and a auxiliary spindle (3), wherein a main spindle B-axis structure (2) and an auxiliary spindle B-axis structure (4) are respectively positioned at the left side and the right side of a movable guide sleeve (not shown in the figure) on a stand column (1) for a workpiece to pass through, a cutter on the main spindle B-axis structure (2) can process the workpiece clamped by the main spindle (5) or the auxiliary spindle (3), the cutter on the auxiliary spindle B-axis structure (4) can process the workpiece clamped by the auxiliary spindle (3), when the machine tool auxiliary spindle is used, the workpiece clamped by the main spindle (5) passes through the movable guide sleeve (not shown in the figure) on the stand column (1) to extend to one side of the auxiliary spindle (3), the end of the workpiece is processed by the main spindle B-axis structure (2), after the processing of one end of the workpiece is finished, the workpiece is cut off by the cutter on the main spindle B-axis structure (2), the auxiliary spindle (3) is driven to face one side of the auxiliary spindle (4) of the auxiliary spindle, the other end of the workpiece is processed by the auxiliary spindle B-axis structure (4), meanwhile, the positive axis B-axis structure 2 can continuously process one end of a workpiece clamped by the machine tool positive main shaft 5, so that the processing efficiency of the workpiece is improved, and the machine tool auxiliary main shaft 3 is connected with a tool which is processed and cut by the machine tool positive main shaft 5 to continuously process.
As shown in fig. 1 to 3, the positive B-axis structure 2 of the present utility model includes a first side milling seat A6, a first side milling seat B7, a first rotary driving motor 8, a first side milling driving motor 9, and a first side milling power head a10, the first side milling seat A6 is slidably mounted on the upright 1 and can slide horizontally and vertically on the upright 1, the top of the first side milling seat B7 is rotatably connected with the first side milling seat A6, the first rotary driving motor 8 is mounted on the first side milling seat A6 for driving the first side milling seat B7 to rotate relative to the first side milling seat A6, the first side milling driving motor 9 of the present utility model is mounted on the top of the first side milling seat A6, the number of the first side milling power heads a10 is more than one, the specific number of the first side milling power heads a10 can be set according to actual needs, for example, three or four first side milling power heads a10 are set, the first side milling power heads a10 are installed on the first side milling seat B7 along the horizontal direction, the first side milling power heads a10 synchronously rotate along with the rotation of the first side milling seat B7 so as to adjust the included angle between the length direction of the first side milling power heads a10 and the length direction of a workpiece, the first side milling power heads a10 are connected with the first side milling driving motor 9 through a gear transmission structure arranged in the first side milling seat A6, and are driven to rotate by the first side milling driving motor 9 so as to carry out side milling processing on the workpiece or drill on the workpiece, and the specific gear transmission structure is the prior art and is not described in detail. The auxiliary shaft B shaft structure 4 comprises an auxiliary shaft seat 23, a second side milling seat A24, a second side milling seat B25, a second rotary driving motor 26, a second side milling driving motor 27 and a second side milling power head A28, wherein the auxiliary shaft seat 23 is used for being arranged on a machine tool body in a use state, the bottom of the auxiliary shaft seat 23 is detachably arranged with the machine tool body by adopting a plurality of bolts, the second side milling seat A24 is slidably arranged on the auxiliary shaft seat 23 and can vertically slide on the auxiliary shaft seat 23, the top of the second side milling seat B25 is rotationally connected with the second side milling seat A24, the second rotary driving motor 26 is arranged on the second side milling seat A24 and used for driving the second side milling seat B25 to rotate relative to the second side milling seat A24, the second side milling driving motor 27 is installed on the second side milling seat a24, the number of the second side milling power heads a28 is more than one, the second side milling power heads a28 are installed on the second side milling seat B25 along the horizontal direction, the second side milling power heads a28 are connected with the second side milling driving motor 27 through a gear transmission structure, and are driven to rotate by the second side milling driving motor 27 and are used for side milling or drilling on a workpiece, and the second side milling seat a24, the second side milling seat B25, the second rotation driving motor 26, the second side milling driving motor 27 and the second side milling power heads a28 of the auxiliary shaft B shaft structure 4 are identical to the side milling seat A6, the side milling seat B7, the rotation driving motor 8, the side milling driving motor 9 and the side milling power heads a10 of the positive shaft B shaft structure 2.
As shown in fig. 1 to 3, the positive axis B-axis structure 2 of the present utility model is provided with a first side milling power head B11, where the number of the first side milling power heads B11 is more than one and is installed on the first side milling seat A6 along the vertical direction, and the number of the first side milling power heads B11 of the present utility model may be set according to actual needs, for example, two first side milling power heads B11 may be provided, where the first side milling power head B11 is connected to the first side milling driving motor 9 by using a gear transmission mechanism provided in the first side milling seat A6, and is driven to rotate by the first side milling driving motor 9 for side milling a workpiece, and the gear transmission manner is also in the prior art, which is not described in detail in the present utility model. The positive axis B shaft structure 2 is provided with a first sliding plate A12 and a first cutter row 13, the first sliding plate A12 is slidably arranged on the upright post 1 and can horizontally and vertically slide on the upright post 1, the positive axis B shaft structure 2 can horizontally and vertically slide on the upright post 1 through the horizontal and vertical sliding of the first sliding plate A12, the first side milling seat A6 is fixedly arranged on the first sliding plate A12, the first cutter row 13 is used for turning a workpiece, the first cutter row 13 is arranged on one side, close to the auxiliary axis B shaft structure 4, of the first sliding plate A12, and the cutting edge of the first cutter row 13 is downwards arranged, so that when the first cutter row 13 turns the workpiece, the workpiece is positioned below the first cutter row 13. The auxiliary shaft B shaft structure 4 in the present utility model is provided with a second side milling power head B29, a second sliding plate a30 and a second cutter row 31, the number of the second side milling power heads B29 is more than one, and the second side milling power heads are installed on a second side milling seat a24 along the vertical direction, which is specifically the same as the first side milling power head B11, and the present utility model is omitted, the second side milling power head B29 is connected with a second side milling driving motor 27 by adopting a gear transmission mechanism, and is driven to rotate by the second side milling driving motor 27, so as to perform side milling processing on a workpiece, the second sliding plate a30 is slidably installed on a second auxiliary shaft seat 23 and can vertically slide on the auxiliary shaft seat 23, the second side milling seat a24 is fixed on the second sliding plate a30, the second cutter row 31 is installed on the second side milling seat a24, and the cutting edge of the second side milling power head B29 is set towards the direction of the positive shaft B shaft structure 2.
As shown in fig. 1 to 3, the auxiliary shaft B shaft structure 4 in the present utility model is provided with an end milling power head 14 and a boring cutter handle 15, the end milling power head 14 is mounted on a second side milling seat a24 of the auxiliary shaft B structure 4 and is arranged towards the direction of the auxiliary main shaft 3 of the machine tool, so as to mill the end face of a workpiece in a use state, the number of the boring cutter handles 15 is a plurality of, as in the present utility model, three boring cutter handles 15 are provided, the boring cutter handle 15 is mounted on the second side milling seat a24 and is arranged in parallel with the end milling power head 14, so as to perform boring processing on the workpiece in the use state, the end milling power head 14 in the present utility model is mounted below the first cutter row 13, and the boring cutter handle 15 is positioned below the end milling power head 14, wherein the boring cutter handle 15 does not need power per se, and is directly inserted into a corresponding mounting hole at the lower part of the first side milling seat A6.
As shown in fig. 1 to 3, the positive axis B-axis structure 2 of the present utility model is provided with a first hollow speed reducer 16, the first hollow speed reducer 16 is mounted on a first side milling seat A6, the top end of the first side milling seat B7 is rotationally connected with the first hollow speed reducer 16, a first rotary driving motor 8 is mounted on the first hollow speed reducer 16 for driving the first side milling seat B7 to rotate, a first connecting axis a (not shown) penetrating the first hollow speed reducer 16 is provided in the first hollow speed reducer 16 for connecting the first side milling driving motor 9 with a first side milling power head a10, the first connecting axis a can rotate relative to the first hollow speed reducer 16, wherein the mounting structure of the first hollow speed reducer 16 and the first side milling seat A6 and the first side milling seat B7, the mounting structure of the first rotary driving motor 8 and the first hollow speed reducer 16, the mounting structure of the first connecting axis a and the gear transmission structure are all of the prior art, the utility model is not detailed in the Chinese patent publication No. CN219151589U, the auxiliary shaft B shaft structure 4 is provided with a second hollow speed reducer 32, the second hollow speed reducer 32 is arranged on a second side milling seat A24, the top end of the second side milling seat B25 is rotationally connected with the second hollow speed reducer 32, a second rotary driving motor 26 is arranged on the second hollow speed reducer 32 and used for driving the second side milling seat B25 to rotate, a second connecting shaft A (not shown in the figure) penetrating through the second hollow speed reducer 32 is arranged in the second hollow speed reducer 32 and used for connecting the second side milling driving motor 27 with a second side milling power head A28, the second connecting shaft A can rotate relative to the second hollow speed reducer 3), the structure of the second hollow speed reducer 32 is the same as that of the first hollow speed reducer 16, reference is made in particular to the first hollow speed reducer 16.
As shown in fig. 1 to 3, in order to realize horizontal and vertical sliding of the slide plate a12 on the upright 1, the positive axis B-axis structure 2 in the present utility model is provided with a slide plate B17, a horizontal driving motor (not shown in the drawings), and a first vertical driving motor (not shown in the drawings), wherein the slide plate B17 is slidably mounted on the upright 1, the first slide plate a12 is slidably disposed on the slide plate B17, the horizontal driving motor is detachably mounted on the upright 1 through a motor mount a (not shown in the drawings) for driving the slide plate B17 to horizontally slide on the upright 1, and the first vertical driving motor is detachably mounted on the slide plate B17 through a motor mount B (not shown in the drawings) for driving the first slide plate a12 to vertically slide on the slide plate B17. The positive axis B shaft structure 2 is optimally arranged to comprise two horizontal guide rails 18, two horizontal sliding blocks (not shown in the figure), first vertical guide rails 19 and first vertical sliding blocks 20, wherein the two horizontal guide rails 18 are detachably mounted on the upright 1 along the horizontal direction through bolts, the horizontal sliding blocks are detachably mounted on the sliding plate B17 through bolts, the horizontal sliding blocks are respectively matched with the two horizontal guide rails 18 and can slide horizontally on the horizontal guide rails 18, the sliding plate B17 slides horizontally relative to the upright 1 through the sliding of the horizontal sliding blocks on the horizontal guide rails 18, the sliding plate A12 mounted on the sliding plate B17 moves horizontally synchronously therewith, the number of the first vertical guide rails 19 is two, the two first vertical guide rails 19 are detachably mounted on one side, far away from the horizontal sliding blocks, of the sliding plate B17 through bolts, the first vertical sliding blocks 20 are detachably mounted on the first sliding plate A12 through bolts, the first vertical sliding blocks 20 are matched with the first vertical guide rails 19 and can slide vertically on the first vertical guide rails 19, and the first sliding plate A12 slides vertically relative to the first sliding plate B17. The second sliding plate A30 of the auxiliary shaft B structure 4 is slidably mounted on the auxiliary shaft seat 23 in a manner of matching a second vertical sliding block 34 with a second vertical guide rail 33.
As shown in fig. 1 to 3, a positive axis B shaft structure 2 in the present utility model is provided with a horizontal screw 21 and a first vertical screw 22, one end of the horizontal screw 21 is connected with a horizontal driving motor, and is driven to rotate by the horizontal driving motor, the horizontal screw 21 is located between two horizontal guide rails 18 and is parallel to the two horizontal guide rails 18, the horizontal screw 21 is in threaded engagement with a slide B17, a connection block B (not shown in the drawings) may be fixed at a position on the slide B17 located between the two horizontal guide rails 18, wherein the horizontal screw 21 passes through the connection block B and is in threaded engagement with the connection block B, the horizontal screw 21 rotates to drive the slide B17 to slide horizontally, one end of the first vertical screw 22 is connected with a first vertical driving motor, and is driven to rotate by the first vertical driving motor, the first vertical screw 22 is in threaded engagement with a first slide a12, a first connection block a (not shown in the drawings) is fixed at one side of the first slide a12 close to the slide B17, the first vertical screw 22 passes through the first connection block a and is in threaded engagement with the first connection block a, and the first vertical screw 22 is located between the two first vertical guide rails 19 and is used to drive the first vertical screw 19 to slide vertically and is parallel to the first vertical screw 19. In the utility model, a second connecting block A (not shown in the drawing) is fixed on a second sliding plate A30 of a secondary shaft B shaft structure 4, a second vertical screw rod 35 penetrating through the connecting block A and in threaded fit with the connecting block A is rotatably arranged on a secondary shaft seat 23 in the vertical direction, the second sliding plate A30 is driven by the second vertical screw rod 35 to vertically slide on the secondary shaft seat 23, the top end of the second vertical screw rod 35 is connected with an output shaft of a second vertical driving motor (not shown in the drawing) arranged on the top of the secondary shaft seat 23, and the second vertical driving motor drives the second sliding plate A to rotate.
All parts not specifically described in the above description are prior art or can be realized by prior art. Moreover, the embodiments of the present invention are described in the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Equivalent changes and modifications of the invention are to be considered as technical scope of the present invention.
Claims (10)
1. A double-B-axis structure of an ultra-precise machine tool is characterized by comprising
The upright post (1), the upright post (1) is installed on a lathe bed in a use state;
The positive axis B shaft structure (2), the positive axis B shaft structure (2) is arranged on one side of the upright post (1) close to the auxiliary main shaft (3) of the machine tool, and can slide horizontally and vertically on the upright post (1);
The auxiliary shaft B structure (4) is arranged on one side of the machine tool body, which is close to the auxiliary main shaft (3) of the machine tool, in a use state, and can vertically slide relative to the machine tool body;
The tool on the positive axis B axis structure (2) can process a workpiece clamped by the machine tool positive main axis (5) or the machine tool auxiliary main axis (3), and the tool on the auxiliary axis B axis structure (4) can process a workpiece clamped by the machine tool auxiliary main axis (3).
2. A double B-axis structure of an ultraprecise machine tool according to claim 1, wherein the positive B-axis structure (2) comprises
The first side milling seat A (6), the first side milling seat A (6) is slidably arranged on the upright post (1) and can slide horizontally and vertically on the upright post (1);
the top of the first side milling seat B (7) is rotationally connected with the first side milling seat A (6);
The first rotary driving motor (8), the first rotary driving motor (8) is installed on the first side milling seat A (6) and used for driving the first side milling seat B (7) to rotate relative to the first side milling seat A (6);
A first side milling driving motor (9), wherein the first side milling driving motor (9) is arranged on the first side milling seat A (6);
the first side milling power heads A (10), the number of the first side milling power heads A (10) is more than one, the first side milling power heads A (10) are arranged on the first side milling seat B (7) along the horizontal direction, the first side milling power heads A (10) are connected with the first side milling driving motor (9) through a gear transmission structure, and the first side milling driving motor (9) is used for driving the first side milling power heads A (10) to rotate so as to carry out side milling processing on a workpiece or drill holes in the workpiece.
3. A double B-axis structure of an ultraprecise machine tool according to claim 2, wherein the auxiliary B-axis structure (4) comprises
The auxiliary shaft seat (23), the auxiliary shaft seat (23) is used for being installed on a machine tool body in a use state;
the second side milling seat A (24), the second side milling seat A (24) is slidably mounted on the auxiliary shaft seat (23) and can vertically slide on the auxiliary shaft seat (23);
The top of the second side milling seat B (25) is rotationally connected with the second side milling seat A (24);
the second rotary driving motor (26), the second rotary driving motor (26) is installed on the second side milling seat A (24), is used for driving the second side milling seat B (25) to rotate relative to the second side milling seat A (24);
A second side milling driving motor (27), wherein the second side milling driving motor (27) is arranged on the second side milling seat A (24);
The second side milling power heads A (28) are arranged on the second side milling seat B (25) along the horizontal direction, the second side milling power heads A (28) are connected with the second side milling driving motor (27) through a gear transmission structure, and the second side milling driving motor (27) is used for driving the workpiece to rotate for side milling or drilling on the workpiece.
4. A double B-axis structure of an ultraprecise machine tool according to claim 3, characterized in that:
the positive axis B axis structure (2) also comprises
The first side milling power heads B (11), the number of the first side milling power heads B (11) is more than one, the first side milling power heads B (11) are arranged on the first side milling seat A (6) along the vertical direction, the first side milling power heads B (11) are connected with the first side milling driving motor (9) through a gear transmission mechanism, and the first side milling driving motor (9) is used for driving the first side milling power heads B to rotate so as to perform side milling on a workpiece;
the auxiliary shaft B shaft structure (4) also comprises
The second side milling power heads B (29), the number of the second side milling power heads B (29) is more than one, the second side milling power heads B (29) are arranged on the second side milling seat A (24) along the vertical direction, the second side milling power heads B (29) are connected with a second side milling driving motor (27) through a gear transmission mechanism, and the second side milling driving motor (27) is used for driving the second side milling power heads B to rotate so as to carry out side milling on a workpiece.
5. The double B-axis structure of an ultraprecise machine tool according to claim 3 or 4, characterized in that:
The positive axis B-axis structure (2) comprises
The first sliding plate A (12), the first sliding plate A (12) is slidably arranged on the upright post (1) and can slide horizontally and vertically on the upright post (1), and the first side milling seat A (6) is fixed on the first sliding plate A (12);
The first cutter row (13) is used for turning a workpiece, the first cutter row (13) is arranged on the first sliding plate A (12), and the cutting edge of the first cutter row is arranged towards the workpiece;
the auxiliary shaft B shaft structure (4) also comprises
The second sliding plate A (30), the second sliding plate A (30) is slidably mounted on the second auxiliary shaft seat (23) and can vertically slide on the auxiliary shaft seat (23), and the second side milling seat A (24) is fixed on the second sliding plate A (30);
and the second cutter row (31), the second cutter row (31) is installed on the second side milling seat A (24), and the cutting edge of the second cutter row is arranged towards the direction of the workpiece.
6. The double B-axis structure of an ultraprecise machine tool according to claim 5, wherein the auxiliary shaft B-axis structure (4) further comprises
The end milling power head (14) is arranged on the second side milling seat A (24) and is arranged towards the direction of the auxiliary main shaft (3) of the machine tool, and is used for milling the end face of the workpiece in the use state.
7. The double B-axis structure of an ultraprecise machine tool according to claim 6, wherein the auxiliary shaft B-axis structure (4) further comprises
The boring tool comprises boring tool handles (15), wherein the number of the boring tool handles (15) is multiple, and the boring tool handles (15) are arranged on the second side milling seat A (24) and are arranged in parallel with the end milling power head (14) for boring a workpiece in a use state.
8. The double B-axis structure of an ultraprecise machine tool according to claim 3 or 4, characterized in that:
the positive axis B axis structure (2) also comprises
The first hollow speed reducer (16), the first hollow speed reducer (16) is installed on the first side milling seat A (6), the top end of the first side milling seat B (7) is rotationally connected with the first hollow speed reducer (16), the first rotary driving motor (8) is installed on the first hollow speed reducer (16) and used for driving the first side milling seat B (7) to rotate, a first connecting shaft A penetrating through the first hollow speed reducer (16) is arranged in the first hollow speed reducer (16) and used for connecting the first side milling driving motor (9) with the first side milling power head A (10), and the first connecting shaft A can rotate relative to the first hollow speed reducer (16);
the auxiliary shaft B shaft structure (4) also comprises
The second hollow speed reducer (32), second hollow speed reducer (32) is installed on second side mill seat A (24), the top and the second hollow speed reducer (32) of second side mill seat B (25) rotate and are connected, second rotary driving motor (26) are installed on second hollow speed reducer (32) and are used for driving second side mill seat B (25) to rotate, second connecting axle A that runs through it is provided with in second hollow speed reducer (32) for connect second side mill driving motor (27) and second side mill unit head A (28), second connecting axle A can rotate relative second hollow speed reducer (32).
9. The double B-axis structure of an ultraprecise machine tool according to claim 5, wherein the positive B-axis structure (2) further comprises
A sliding plate B (17), wherein the sliding plate B (17) is slidably arranged on the upright post (1), and the first sliding plate A (12) is slidably arranged on the sliding plate B (17);
The horizontal driving motor is arranged on the upright post (1) and used for driving the sliding plate B (17) to horizontally slide on the upright post (1);
And the first vertical driving motor is arranged on the sliding plate B (17) and is used for driving the first sliding plate A (12) to vertically slide on the sliding plate B (17).
10. The double B-axis structure of an ultraprecise machine tool according to claim 8, wherein the positive B-axis structure (2) further comprises
The horizontal guide rail (18), the horizontal guide rail (18) is installed on the upright post (1) along the horizontal direction;
the horizontal sliding block is arranged on the sliding plate B (17), is matched with the horizontal guide rail (18) and can horizontally slide on the horizontal guide rail (18);
The first vertical guide rail (19), the first vertical guide rail (19) is installed on the slide plate B (17) along the vertical direction;
The first vertical sliding block (20), the first vertical sliding block (20) is installed on the first sliding plate A (12), and the first vertical sliding block (20) is matched with the first vertical guide rail (19) and can vertically slide on the first vertical guide rail (19);
The horizontal lead screw (21), one end of the horizontal lead screw (21) is connected with a horizontal driving motor, the horizontal lead screw (21) is driven to rotate by the horizontal driving motor, the horizontal lead screw (21) is in threaded fit with the sliding plate B (17), and the horizontal lead screw (21) rotates to drive the sliding plate B (17) to slide horizontally;
The first vertical lead screw (22), one end of the first vertical lead screw (22) is connected with a first vertical driving motor, the first vertical lead screw (22) is driven to rotate by the first vertical driving motor, the first vertical lead screw (22) is in threaded fit with the first sliding plate A (12), and the first vertical lead screw (22) rotates to be used for driving the first sliding plate A (12) to vertically slide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420514918.7U CN222660141U (en) | 2024-03-15 | 2024-03-15 | Double-B-axis structure of ultra-precise machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420514918.7U CN222660141U (en) | 2024-03-15 | 2024-03-15 | Double-B-axis structure of ultra-precise machine tool |
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