阅读说明：本技术 一种五轴雕刻机 (Five engravers ) 是由 黎龙 于 2020-12-07 设计创作，主要内容包括：本发明属于数控雕刻技术领域,公开了一种五轴雕刻机。该五轴雕刻机包括箱体、XY轴驱动机构、Z轴驱动机构和B/C轴工作转台。XY轴驱动机构安装于箱体的外顶壁。XY轴驱动机构与五轴雕刻机的刀具主轴传动连接。Z轴驱动机构安装于箱体的外侧壁。B/C轴工作转台包括B轴电机、C轴电机、摇篮板和工作台,Z轴驱动机构的输出轴与B轴电机传动连接。摇篮板转动地安装于B轴电机的输出轴。C轴电机安装于摇篮板的下方,工作台位于摇篮板的上方,且转动地安装于C轴电机的输出轴。XY轴驱动机构安装于箱体的外顶壁,Z轴驱动机构安装于箱体的外侧壁,结构紧凑,减少了五轴雕刻机的体积和占地面积,布局合理,提高了五轴雕刻机的操作性能。(The invention belongs to the technical field of numerical control engraving, and discloses a five-axis engraving machine. The five-axis engraving machine comprises a box body, an XY axis driving mechanism, a Z axis driving mechanism and a B/C axis working turntable. The XY-axis driving mechanism is arranged on the outer top wall of the box body. The XY axis driving mechanism is in transmission connection with a cutter spindle of the five-axis engraving machine. The Z-axis driving mechanism is arranged on the outer side wall of the box body. The B/C shaft working turntable comprises a B shaft motor, a C shaft motor, a cradle board and a workbench, and an output shaft of the Z shaft driving mechanism is in transmission connection with the B shaft motor. The cradle board is rotatably arranged on an output shaft of the B-axis motor. The C-axis motor is arranged below the cradle board, and the workbench is positioned above the cradle board and is rotationally arranged on an output shaft of the C-axis motor. The XY-axis driving mechanism is arranged on the outer top wall of the box body, the Z-axis driving mechanism is arranged on the outer side wall of the box body, the structure is compact, the size and the occupied area of the five-axis engraving machine are reduced, the layout is reasonable, and the operating performance of the five-axis engraving machine is improved.)

1. A five-axis engraver, characterized by comprising:

a box body (1);

an XY-axis driving mechanism which is installed on the outer top wall of the box body (1); the XY axis driving mechanism is in transmission connection with a cutter main shaft (7) of the five-axis engraving machine;

the Z-axis driving mechanism (4) is arranged on the outer side wall of the box body (1);

the B/C shaft working turntable comprises a B shaft motor (5), a C shaft motor (6), a cradle board (51) and a worktable (61), and an output shaft of the Z shaft driving mechanism (4) is in transmission connection with the B shaft motor (5); the cradle board (51) is rotationally arranged on an output shaft of the B-shaft motor (5); the C-axis motor (6) is mounted below the cradle board (51), and the workbench (61) is positioned above the cradle board (51) and is rotatably mounted on an output shaft of the C-axis motor (6).

2. The five-axis engraving machine according to claim 1, characterized in that the bottom wall of the box (1) is provided with drain holes (15).

3. The five-axis engraving machine according to claim 2, wherein the bottom wall of the box body (1) is of a funnel structure, and the liquid discharge hole (15) is formed in the bottom end of the funnel structure.

4. The five-axis engraving machine according to claim 1, wherein the top wall of the box body (1) is provided with a first opening (11), the XY-axis driving mechanism comprises an X-axis driving mechanism (2) and a Y-axis driving mechanism (3), the Y-axis driving mechanism (3) is installed on one side of the first opening (11), and the output end of the Y-axis driving mechanism (3) is in transmission connection with the X-axis driving mechanism (2) positioned above the first opening (11); the output end of the X-axis driving mechanism (2) is in transmission connection with the cutter spindle (7), and the cutter spindle (7) extends towards the interior of the box body (1).

5. The five-axis engraving machine according to claim 4, wherein the XY-axis driving mechanism further comprises a sliding plate (21) and a sliding block (31), the output end of the Y-axis driving mechanism (3) is in transmission connection with the sliding plate (21), the X-axis driving mechanism (2) is mounted on the sliding plate (21), the output end of the X-axis driving mechanism (2) is in transmission connection with the sliding block (31), and the tool spindle (7) is mounted on the sliding block (31).

6. The five-axis engraving machine according to claim 5, wherein the sliding plate (21) is provided with an avoiding hole (211) opposite to the first opening (11), the X-axis driving mechanism (2) is installed on one side of the avoiding hole (211), the sliding block (31) is located above the avoiding hole (211), and the tool spindle (7) sequentially penetrates through the first opening (11) and the avoiding hole (211) and is installed on the sliding block (31).

7. The five-axis engraving machine according to claim 6, wherein the slide block (31) is provided with an avoidance groove (311) for avoiding the tool spindle (7).

8. The five-axis engraving machine according to claim 1, wherein the rear side wall of the box body (1) is provided with a second opening (12), and the Z-axis driving mechanism (4) is installed on one side of the second opening (12); the output end of the Z-axis driving mechanism (4) is in transmission connection with the mounting seat (41), and the B-axis motor (5) is mounted on the mounting seat (41) and penetrates through the second opening (12).

9. Five-axis engraving machine according to claim 1, characterized in that the front side wall of said box (1) has a closable third opening (13) to take or place or view the engraved work pieces through said third opening (13).

10. The five-axis engraving machine according to claim 1, characterized in that the five-axis engraving machine further comprises a base (8), the box body (1) is fixedly mounted on the base (8), and a supporting column (81) is arranged at the bottom of the base (8).

Technical Field

The invention belongs to the technical field of numerical control engraving, and particularly relates to a five-axis engraving machine.

Background

With the development of the mechanical manufacturing industry, the five-axis linkage numerical control engraving technology is a development trend of the engraving industry.

At present, five-axis engraving machines in the market are of a gantry type structure, namely an X axis and a Z axis are fixed on a gantry in a group, and an A axis and a C axis are fixed on a Y axis working table top in a cradle type structure. The carving machine is large in size, heavy, limited in working space, large in occupied area and inconvenient to operate in the use environments of personal studios, school training rooms or gem processing shops and the like.

Therefore, a five-axis engraving machine is needed to solve the above technical problems

Disclosure of Invention

The invention aims to provide a five-axis engraving machine, which has a compact structure, reduces the volume and the occupied area and improves the operation performance.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a five-axis engraver, comprising:

a box body;

the XY axis driving mechanism is arranged on the outer top wall of the box body; the XY axis driving mechanism is in transmission connection with a cutter spindle of the five-axis engraving machine;

the Z-axis driving mechanism is arranged on the outer side wall of the box body;

the B/C shaft working turntable comprises a B shaft motor, a C shaft motor, a cradle board and a worktable, and an output shaft of the Z shaft driving mechanism is in transmission connection with the B shaft motor; the cradle board is rotationally arranged on an output shaft of the B-axis motor; the C-axis motor is installed below the cradle board, and the workbench is located above the cradle board and is rotatably installed on an output shaft of the C-axis motor.

Preferably, the bottom wall of the box body is provided with a liquid discharge hole.

Preferably, the bottom wall of the box body is of a funnel structure, and the liquid discharge hole is formed in the bottom end of the funnel structure.

Preferably, the top wall of the box body is provided with a first opening, the XY-axis driving mechanism comprises an X-axis driving mechanism and a Y-axis driving mechanism, the Y-axis driving mechanism is mounted on one side of the first opening, and the output end of the Y-axis driving mechanism is in transmission connection with the X-axis driving mechanism located above the first opening; the output end of the X-axis driving mechanism is in transmission connection with the cutter spindle, and the cutter spindle extends towards the interior of the box body.

Preferably, the XY axis driving mechanism further comprises a sliding plate and a sliding block, the output end of the Y axis driving mechanism is in transmission connection with the sliding plate, the X axis driving mechanism is installed on the sliding plate, the output end of the X axis driving mechanism is in transmission connection with the sliding block, and the tool spindle is installed on the sliding block.

Preferably, the slide is provided with an avoiding hole just opposite to the first opening, the X-axis driving mechanism is installed on one side of the avoiding hole, the slide block is located above the avoiding hole, and the cutter spindle sequentially penetrates through the first opening and the avoiding hole and is installed on the slide block.

Preferably, the slide block is provided with an avoiding groove for avoiding the cutter spindle.

Preferably, the rear side wall of the box body is provided with a second opening, and the Z-axis driving mechanism is installed on one side of the second opening; the output end of the Z-axis driving mechanism is in transmission connection with the mounting seat, and the B-axis motor is mounted on the mounting seat and penetrates through the second opening.

Preferably, the front side wall of the box body is provided with a closable third opening so as to take or place or observe the carving workpiece through the third opening.

Preferably, the five-axis engraving machine further comprises a base, the box body is fixedly mounted on the base, and a support column is arranged at the bottom of the base.

The invention has the beneficial effects that:

according to the five-axis engraving machine, the XY-axis driving mechanism is arranged on the outer top wall of the box body, the Z-axis driving mechanism is arranged on the outer side wall of the box body, a portal frame is not required to be arranged, the structure is compact, the size and the occupied area of the five-axis engraving machine are reduced, the layout is reasonable, and the operation performance of the five-axis engraving machine is improved.

Meanwhile, the XY-axis driving mechanism and the Z-axis driving mechanism are arranged outside the box body, so that the occupation of the internal space of the box body is reduced, the carving space and the carving size of the five-axis carving machine are larger when the volume of the box body is the same, and the operation performance and the application range of the five-axis carving machine are improved.

In addition, the B/C shaft working turntable is simple in structure, a support piece does not need to be additionally arranged on the cradle board, the structural layout of the B/C shaft working turntable is simplified, and the occupied space inside the box body is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a five-axis engraving machine at a first viewing angle according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a five-axis engraving machine at a second viewing angle according to an embodiment of the present invention.

The component names and designations in the drawings are as follows:

1. a box body; 11. a first opening; 12. a second opening; 13. a third opening; 14. a boss; 15. a drain hole; 2. an X-axis drive mechanism; 21. a slide plate; 211. avoiding holes; 3. a Y-axis drive mechanism; 31. a slider; 311. avoiding the groove; 4. a Z-axis drive mechanism; 41. a mounting seat; 10. a motor; 20. a supporting seat; 30. a support plate; 40. a lead screw; 50. a nut; 60. a slide rail; 5. a B-axis motor; 51. a cradle board; 6. a C-axis motor; 61. a work table; 7. a tool spindle; 71. an automatic tool setting device; 8. a base; 81. and (4) a support column.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 and fig. 2, the present embodiment discloses a five-axis engraving machine to solve the problems of large volume, large floor space, limited working space and inconvenient operation of the existing five-axis engraving machine. Specifically, the five-axis engraving machine of the embodiment comprises a box body 1, an XY axis driving mechanism, a Z axis driving mechanism 4 and a B/C axis working turntable. The XY-axis driving mechanism is mounted on the outer top wall of the box body 1. The XY axis driving mechanism is in transmission connection with a cutter spindle 7 of the five-axis engraving machine. The Z-axis drive mechanism 4 is mounted on the outer side wall of the case 1. The B/C shaft working turntable comprises a B shaft motor 5, a C shaft motor 6, a cradle board 51 and a worktable 61, and an output shaft of the Z shaft driving mechanism 4 is in transmission connection with the B shaft motor 5. The cradle board 51 is rotatably mounted to an output shaft of the B-axis motor 5. The C-axis motor 6 is installed below the cradle 51, and the table 61 is located above the cradle 51 and rotatably installed to an output shaft of the C-axis motor 6.

This five-axis engraver installs XY axle actuating mechanism in the outer top wall of box 1, and Z axle actuating mechanism 4 is installed in the lateral wall of box 1, need not to install the portal frame, and compact structure has reduced five-axis engraver's volume and area, and is rationally distributed, has reduced five-axis engraver's resonance range, has improved five-axis engraver's operating performance.

Meanwhile, the XY-axis driving mechanism and the Z-axis driving mechanism 4 are arranged outside the box body 1, the occupation of the internal space of the box body 1 is reduced, the carving space and the carving size of the five-axis carving machine are larger when the box body 1 is the same in size, and the operation performance and the application range of the five-axis carving machine are improved.

In addition, the structure of the B/C axis working turntable is simple, a support part does not need to be additionally arranged on the cradle plate 51, the structural layout of the B/C axis working turntable is simplified, and the space occupied in the box body 1 is reduced.

Preferably, the bottom wall of the box body 1 is provided with a liquid discharge hole 15, which is convenient for discharging the cooling liquid in the engraving process quickly, so that the inside of the box body 1 is kept in a clean and tidy engraving environment. As shown in fig. 1, the XY-axis driving mechanism of the present embodiment is mounted on the outer top wall of the casing 1, so that the cooling liquid does not affect the XY-axis driving mechanism, the use of an insulating structure or an insulating sealing member on the XY-axis driving mechanism is reduced, and the layout of the casing 1 is optimized.

As shown in fig. 1, the bottom wall of the box 1 is a funnel structure, and the drain hole 15 is opened at the bottom end of the funnel structure. The funnel structure plays a guiding role in the cooling liquid, and the cooling liquid in the box body 1 is convenient to collect quickly and is discharged from the liquid discharge hole 15. The diapire of box 1 of this embodiment is the pyramid funnel structure that four continuous inclined walls enclose, and outage 15 is in the bottom of funnel structure. Of course, the bottom wall of the box 1 may also be of a conical funnel structure.

The top wall of the box body 1 is provided with a first opening 11, the XY-axis driving mechanism comprises an X-axis driving mechanism 2 and a Y-axis driving mechanism 3, the Y-axis driving mechanism 3 is installed on one side of the first opening 11, and the output end of the Y-axis driving mechanism 3 is in transmission connection with the X-axis driving mechanism 2 located above the first opening 11; the output end of the X-axis driving mechanism 2 is in transmission connection with a cutter spindle 7, and the cutter spindle 7 extends towards the interior of the box body 1.

As shown in fig. 1, the first opening 11 is a rectangular hole, the opening area of the first opening 11 defines the movement range of the tool spindle 7 in the XY-axis plane, and the X-axis driving mechanism 2 is installed at one side of the first opening 11, so as to avoid interference with the tool spindle 7, and to improve the engraving range of the tool spindle 7.

For convenience of description, the X-axis direction in the present embodiment is shown as the X-direction in fig. 1, the Y-axis direction is shown as the Y-direction in fig. 1, and the Z-axis direction is shown as the Z-direction in fig. 1.

The X-axis drive mechanism 2, the Y-axis drive mechanism 3, and the Z-axis drive mechanism 4 of the present embodiment have the same components and layout, and are different from each other in their mounting positions. The X-axis driving mechanism 2, the Y-axis driving mechanism 3 and the Z-axis driving mechanism 4 all comprise a motor 10, a lead screw assembly, a supporting seat 20 and a supporting plate 30. Wherein the lead screw assembly includes a lead screw 40 and a nut 50. Preferably, the motor 10 is a servo motor to improve the moving accuracy of the tool spindle 7 and the table 61. Taking the Y-axis driving mechanism 3 as an example for explanation, the Y-axis driving mechanism 3 is arranged along the Y-axis direction, the supporting base 20 and the supporting plate 30 are installed on the outer top wall of the box body 1 at intervals along the Y-axis direction, the end of the lead screw 40 is rotatably installed at the first ends of the supporting plate 30 and the supporting base 20 in the Y-axis direction, the motor 10 is installed at the second end of the supporting base 20 in the Y-axis direction, the output shaft of the motor 10 is in transmission connection with the end of the lead screw 40 through a coupler located in the supporting base 20, and the nut 50 is in threaded sleeve connection with the lead screw 40 and can move along the.

The supporting seat 20 of the Y-axis driving mechanism 3 is a cubic housing with a hollow interior, the supporting seat 20 is fixedly mounted on the outer side wall of the box 1, and two opposite ends of the bottom of the supporting plate 30 are provided with flanges, and the flanges are provided with mounting holes (not shown in the figure), so that the supporting plate 30 is fixedly mounted on the box 1 through the mounting holes.

The XY-axis driving mechanism of the embodiment further comprises a sliding plate 21 and a sliding block 31, the output end of the Y-axis driving mechanism 3 is in transmission connection with the sliding plate 21, the X-axis driving mechanism 2 is installed on the sliding plate 21, the output end of the X-axis driving mechanism 2 is in transmission connection with the sliding block 31, and the tool spindle 7 is installed on the sliding block 31.

This slide 21 is seted up and is dodged the hole 211 just to first opening 11, and X axle actuating mechanism 2 is installed in the one side of dodging the hole 211, and slider 31 is located dodge the hole 211's top, and cutter main shaft 7 passes first opening 11 and dodges the hole 211 in proper order to install on slider 31.

As shown in fig. 1, the slide plate 21 is a rectangular plate, and one end of the slide plate 21 is fixedly mounted on a nut 50 on a lead screw assembly in the Y-axis driving mechanism 3, so that the slide plate 21 and the nut 50 move synchronously in the Y-axis direction. The slide plate 21 is located above the first opening 11, the avoiding hole 211 is a rectangular hole, and the length of the avoiding hole in the X-axis direction is equal to the length of the first opening 11, so as to avoid reducing the moving range of the tool spindle 7 in the XY-axis plane. The slide block 31 is a rectangular block, and one end of the slide block 31 is fixedly mounted on a nut 50 on a lead screw component in the X-axis driving mechanism 2, so that the slide block 31 and the nut 50 move synchronously along the X-axis direction. The slider 31 is located above the avoiding hole 211 and can drive the tool spindle 7 to slide along the avoiding hole 211.

In order to accurately control the displacement accuracy of the tool spindle 7 in the XY-axis plane, each of the X-axis drive mechanism 2 and the Y-axis drive mechanism 3 includes a slide rail 60 and a slider slidably connected to the slide rail 60. And the number of the slide rails 60 is two, and the sliding parts are the same as the slide rails 60 in number and are in one-to-one correspondence. The Z-axis drive mechanism 4 of the present embodiment also has the slide rail 60 and the slider described above.

Specifically, the two slide rails 60 of the X-axis driving mechanism 2 extend along the X-axis direction and are respectively installed at two sides of the avoiding hole 211, and the two sliding members are respectively installed at bottoms of two ends of the sliding block 31 in the Y-axis direction. The two slide rails 60 of the Y-axis driving mechanism 3 extend along the Y-axis direction and are respectively mounted on two sides of the first opening 11, and the two sliding members are respectively mounted on the bottoms of two ends of the sliding plate 21 in the X-axis direction.

Preferably, the slider 31 is provided with an avoidance groove 311 for avoiding the tool spindle 7. The slide block 31 is inwards recessed along the X-axis direction to form an avoiding groove 311, and the upper end of part of the tool spindle 7 is arranged in the avoiding groove 311, so that the structure between the tool spindle 7 and the slide block 31 is more compact.

As shown in fig. 2, the rear side wall of the case 1 has a second opening 12, and the Z-axis drive mechanism 4 is mounted on one side of the second opening 12. The output end of the Z-axis driving mechanism 4 is in transmission connection with the mounting seat 41, and the B-axis motor 5 is mounted on the mounting seat 41 and penetrates through the second opening 12.

The nut 50 of the screw rod component of the Z-axis driving mechanism 4 is fixedly connected with the mounting seat 41, the mounting seat 41 is a rectangular plate, a through hole is formed in the middle position of the mounting seat, the B-axis motor 5 is mounted in the through hole, and the output shaft extends into the box body 1 to be in transmission connection with the cradle board 51 and drives the cradle board 51 to rotate along the B axis. The two slide rails 60 of the Z-axis driving mechanism 4 extend along the Z-axis direction and are respectively mounted on two sides of the second opening 12, and the two sliding members are respectively disposed on two ends of the mounting base 41 in the X-axis direction and face the side surface of the box 1.

As shown in fig. 2, the rear side wall of the box 1 has a rectangular boss 14, the second opening 12 is opened on the boss 14, and the Z-axis driving mechanism 4 is installed on the boss 14 and located at one side of the second opening 12. The boss 14 increases the depth of the second opening 12 in the Y-axis direction to accommodate the output shaft of the B-axis motor 5, thereby preventing the B-axis motor 5 from occupying too much of the inner space of the case 1.

It should be noted that the five-axis engraving machine further comprises an automatic tool setting device 71, and the automatic tool setting device 71 is mounted on the tool spindle 7 to realize tool setting calibration of the engraving tool, so as to improve the engraving precision of the five-axis engraving machine.

Preferably, the front side wall of the box 1 has a closable third opening 13 to take or place or view the engraved work piece through the third opening 13.

The third opening 13 of the box body 1 is a rectangular hole, and a sealing door body can be additionally arranged at the third opening 13, so that the safety of the five-axis engraving machine is improved, and the coolant is prevented from splashing out of the box body 1. Meanwhile, the sealing door body can be a transparent door, so that an operator can observe the carving condition of the carved workpiece conveniently.

It should be noted that the five-axis engraving machine further includes a cooling water tank (not shown in the drawings) disposed outside the box body 1, the tool spindle 7 of the present embodiment is a high-frequency variable-frequency water-cooled electric spindle, and the external cooling water tank is communicated with a cooling channel in the tool spindle 7, so that cooling water forms a liquid cooling circulation between the cooling water tank and the tool spindle 7, and the temperature of the tool spindle 7 is reduced.

The five-axis engraving machine of the embodiment further comprises a base 8, the box body 1 is fixedly installed on the base 8, and a supporting column 81 is arranged at the bottom of the base 8.

Specifically, the projection area of the box body 1 and the part of the box body 1 exposed out of the box body in the Z-axis direction is smaller than or equal to the area of the upper surface of the base 8, so that an operator can quickly judge the occupied area of the five-axis engraving machine through the size of the base 8, and the five-axis engraving machine can be accurately placed conveniently. Four corner positions of the base 8 are arranged on the supporting columns 81, so that stable supporting and carrying of the five-axis engraving machine are facilitated.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.