CN209986531U - Automatic cnc engraving and milling machine of overhead - Google Patents
Automatic cnc engraving and milling machine of overhead Download PDFInfo
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- CN209986531U CN209986531U CN201920444511.0U CN201920444511U CN209986531U CN 209986531 U CN209986531 U CN 209986531U CN 201920444511 U CN201920444511 U CN 201920444511U CN 209986531 U CN209986531 U CN 209986531U
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Abstract
The utility model discloses an overhead automatic engraving and milling machine, which comprises a machine body, wherein the machine body is provided with a mounting platform, a workbench, a mounting beam, a fixing frame, a processing cutter, a first driving mechanism, a second driving mechanism and a third driving mechanism, and the mounting platform is fixedly connected on the machine body; the mounting beam and the first driving mechanism are mounted at the top end of the mounting platform; the first driving mechanism is used for driving the mounting beam to move along the Y-axis direction; the fixing frame and the second driving mechanism are both arranged on the mounting beam, and the second driving mechanism is used for driving the fixing frame to move along the X-axis direction; the processing cutter and the third driving mechanism are both arranged on the fixed frame; the third driving mechanism is used for driving the machining tool to move along the Z-axis direction; the workbench is fixedly connected to the end face of the machine body and is positioned on the motion trail of the machining cutter; at least one of the first driving mechanism and the second driving mechanism is a linear motor driving mechanism. The utility model discloses the top of processing platform is all arranged in to all actuating mechanism.
Description
Technical Field
The utility model relates to a machining equipment technical field especially relates to an automatic cnc engraving and milling machine of overhead formula.
Background
At present, the cnc engraving and milling machine can be used for engraving and milling, is a high-precision numerical control machine tool, and is widely applied to processing of glass panels or lining plates of electronic equipment such as mobile phones and tablet computers due to high processing precision. And in the cnc engraving and milling machine course of working, mainly place the work piece on the workstation, realize through the motion of processing cutter in X axle, Z axle direction, processing tool side to side movement and up-and-down motion promptly, make the workstation along Y axle direction motion simultaneously to make processing cutter and workstation relative movement, make the work piece alignment on processing cutter and the workstation, be convenient for process.
However, in the conventional engraving and milling machine, the processing table moves, and the driving mechanism for driving the processing table is also located below the processing tool, so that waste liquid or scraps generated during processing are easily splashed onto the driving mechanism for driving the processing table, and the driving mechanism is damaged.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an automatic cnc engraving and milling machine of overhead formula, it need not to drive the motion of processing platform through drive processing cutter along X axle, Y axle and Z axle direction, makes all actuating mechanism all arrange the top of processing platform in.
The purpose of the utility model is realized by adopting the following technical scheme:
an overhead automatic engraving and milling machine comprises a machine body, wherein the machine body is provided with an installation platform, a workbench, an installation beam, a fixed frame, a processing cutter, a first driving mechanism, a second driving mechanism and a third driving mechanism, and the installation platform is fixedly connected to the machine body and extends along the Z-axis direction; the mounting beam and the first driving mechanism are both mounted at the top end of the mounting platform; the mounting beam extends along the X-axis direction; the first driving mechanism is used for driving the mounting beam to move along the Y-axis direction; the fixing frame and the second driving mechanism are both arranged on the mounting beam, and the second driving mechanism is used for driving the fixing frame to move along the X-axis direction; the fixed frame extends along the Z-axis direction; the processing cutter and the third driving mechanism are both arranged on the fixed frame; the third driving mechanism is used for driving the machining tool to move along the Z-axis direction; the workbench is fixedly connected to the end face of the machine body and is positioned on the motion trail of the machining cutter; at least one of the first driving mechanism and the second driving mechanism is a linear motor driving mechanism.
Preferably, the first driving mechanism is a screw rod transmission mechanism, and the second driving mechanism is a linear motor driving mechanism;
the first driving mechanism comprises a first lead screw motor, a first nut and a first guide assembly, the first lead screw motor is installed on the installation table, a first lead screw of the first lead screw motor extends along the Y-axis direction, and the first nut is sleeved outside the first lead screw of the first lead screw motor in a threaded mode; the mounting beam is fixed with the first nut and can move along the Y-axis direction under the guidance of the first guide assembly;
the second driving mechanism comprises a first linear motor, and the first linear motor is arranged on the mounting beam and arranged along the X-axis direction; the fixed frame is fixedly connected with the translation table of the first linear motor.
Preferably, the number of the mounting tables is two, the two mounting tables are respectively positioned at two sides of the workbench, and the first driving mechanism is arranged on each of the two mounting tables; and two ends of the mounting beam are respectively fixed with the first nuts and move along the Y-axis direction under the guidance of the first guide assemblies.
Preferably, the number of the mounting tables is two, the two mounting tables are respectively positioned at two sides of the workbench, the first driving mechanism is mounted on one of the mounting tables, and the first guide assembly is mounted on each mounting table; one end part of the mounting beam is fixed with the first nut; the two ends of the mounting beam move along the Y-axis direction under the guidance of the first guide assemblies.
Preferably, the number of the mounting platforms is two, the two mounting platforms are respectively positioned at two sides of the workbench, and a mounting plate is fixedly connected between the two mounting platforms; the first screw rod motor is arranged on the mounting plate; the first guide assembly is mounted on each mounting table; the middle part of the mounting beam is fixedly connected with a first nut; the two ends of the mounting beam move along the Y-axis direction under the guidance of the first guide assemblies.
Preferably, the first driving mechanism is a linear motor driving mechanism, and the second driving mechanism is a screw rod transmission driving mechanism;
the first driving mechanism comprises a second linear motor, the second linear motor is arranged on the mounting table and arranged along the Y-axis direction, and the end part of the mounting beam is fixedly connected with a translation table of the second linear motor;
the second driving mechanism comprises a second lead screw motor, a second nut and a second guide assembly, the second lead screw motor is installed on the installation table, a second lead screw of the second lead screw motor extends along the X-axis direction, and a second nut is sleeved outside the second lead screw of the second lead screw motor in a threaded manner; the fixed frame is fixed with the second nut and can move along the X-axis direction under the guidance of the second guide assembly.
Preferably, the number of the installation platforms is two, the two installation platforms are located on two sides of the workbench respectively, the second linear motors are arranged at the top ends of the two installation platforms, and two ends of the installation beam are fixedly connected with translation platforms of the second linear motors respectively.
Preferably, two mounting tables are arranged, the two mounting tables are respectively positioned at two sides of the workbench, and the top end of one mounting table is provided with the second linear motor; the top end of the other mounting table is provided with a slide rail; one end part of the mounting beam is fixedly connected with a translation table of the second linear motor; the other end part of the mounting beam is in sliding fit with the sliding rail through a sliding block.
Preferably, the first driving mechanism and the second driving mechanism are both linear motor driving mechanisms.
Preferably, the third driving mechanism comprises a third lead screw motor, a third nut and a third guide assembly, the third lead screw motor is installed on the installation table, a third lead screw of the third lead screw motor extends along the Z-axis direction, and a third nut is sleeved outside the third lead screw of the third lead screw motor in a threaded manner; the machining tool is fixed with the third nut and can move along the Z-axis direction under the guidance of the third guide assembly.
Compared with the prior art, the beneficial effects of the utility model reside in that: the machining tool is driven to move along the X-axis direction, the Y-axis direction and the Z-axis direction through the first driving mechanism, the second driving mechanism and the third driving mechanism respectively, the machining table does not need to be driven to move, the first driving mechanism, the second driving mechanism and the third driving mechanism are all located above the machining table, all the driving mechanisms are hoisted, waste liquid or scraps generated in the machining process can be reduced, the waste liquid or the scraps can be easily splashed onto the driving mechanisms, and damage to the driving mechanisms is caused.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic structural diagram of the present invention;
FIG. 3 is another schematic structural diagram of the present invention;
fig. 4 is another schematic structural diagram of the present invention.
In the figure: 10. a body; 11. a work table; 12. an installation table; 13. mounting a beam; 14. a fixed mount; 15. mounting a plate; 20. a second linear motor; 21. a first lead screw motor; 22. a first lead screw of the first lead screw motor; 30. a first linear motor; 31. a second lead screw motor; 32. a second lead screw of a second lead screw motor; 41. a third screw motor; 42. a third lead screw of a third lead screw motor; 50. and (5) machining a cutter.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1-4, an overhead automatic engraving and milling machine includes a machine body 10, a mounting table 12, a worktable 11, a mounting beam 13, a fixing frame 14, a processing tool 50, a first driving mechanism, a second driving mechanism and a third driving mechanism are disposed on the machine body 10, the mounting table 12 is fixedly connected to the machine body 10, the mounting table 12 extends along a Z-axis direction, and the mounting beam 13 and the first driving mechanism are both mounted on a top end of the mounting table 12. In addition, the mounting beam 13 extends along the X-axis direction, the first driving mechanism is used for driving the mounting beam 13 to move along the Y-axis direction, the fixing frame 14 and the second driving mechanism are both mounted on the mounting beam 13, and the second driving mechanism is used for driving the fixing frame 14 to move along the X-axis direction; the holder 14 extends in the Z-axis direction. Specifically, the machining tool 50 and the third driving mechanism are both mounted on the fixing frame 14; the third driving mechanism is used for driving the machining tool 50 to move along the Z-axis direction; the worktable 11 is fixedly connected to the end surface of the machine body 10 and is located on the motion track of the processing tool 50. In addition, at least one of the first driving mechanism or the second driving mechanism is a linear motor driving mechanism.
On the basis of the structure, when a workpiece is machined, the workpiece can be placed on the workbench 11, the installation table 12 is fixedly connected to the machine body 10 and extends along the height direction of the machine body 10, so that the first driving mechanism and the installation beam 13 which are installed on the top end face of the installation table 12 are both located above the workbench 11, in addition, the second driving mechanism and the fixed frame 14 are installed on the installation beam 13, and the third driving mechanism and the machining tool 50 are all installed on the fixed frame 14, therefore, the first driving mechanism, the second driving mechanism and the third driving mechanism on the machine body 10 can be located above the workbench 11, namely, hoisting is carried out, and the phenomenon that waste liquid or scraps generated in the machining process are easily splashed onto each driving mechanism to cause damage to the driving mechanism is reduced.
The machining tool 50 is driven to move along the X-axis direction, the Y-axis direction and the Z-axis direction through the first driving mechanism, the second driving mechanism and the third driving mechanism respectively, namely the machining tool 50 can move forwards and backwards, leftwards and rightwards to the upper portion of the machining table and align to a workpiece, the machining tool 50 moves upwards and downwards afterwards, machining can be conducted, the machining table does not need to be driven to move, and the phenomenon that the workpiece is displaced in the moving process of the machining table to affect machining precision is avoided. In addition, at least one of the first driving mechanism and the second driving mechanism in the embodiment is a linear motor driving mechanism, so that the linear motor driving mechanism has the advantage of high precision, and the overall precision of the engraving and milling machine can be improved.
Preferably, in this embodiment, the first driving mechanism is a screw transmission mechanism, and the second driving mechanism is a linear motor driving mechanism; with reference to figure 2 in addition to figure 3,
the first driving mechanism comprises a first lead screw motor 21, a first nut and a first guide assembly, the first lead screw motor 21 is arranged on the mounting table 12, a first lead screw 22 of the first lead screw motor extends along the Y-axis direction, and the first nut is sleeved outside the first lead screw 22 of the first lead screw motor in a threaded manner; the mounting beam 13 is fixed to the first nut and is movable in the Y-axis direction under the guidance of the first guide assembly. Therefore, when the mounting beam 13 is driven to move along the Y-axis direction, the first lead screw motor 21 can be started, the first lead screw motor 21 can drive the first lead screw to rotate by rotating, the first lead screw can drive the first nut in threaded fit with the first lead screw to rotate by rotating, the rotating motion of the first nut can be limited by the first guide assembly and converted into the linear motion along the Y-axis direction, and therefore the mounting beam 13 can move along the Y-axis direction under the guide of the first guide assembly, and further the machining tool 50 is driven to move along the Y-axis direction.
The second driving mechanism comprises a first linear motor 30, and the first linear motor 30 is arranged on the mounting beam 13 and arranged along the X-axis direction; the fixed frame 14 is fixedly connected to the translation stage of the first linear motor 30. Thus, the translation stage of the first linear motor 30 can move to drive the fixing frame 14 to move along the X-axis direction. On the basis of the structure that the first driving mechanism is a linear motor driving mechanism and the second driving mechanism is a screw rod transmission driving mechanism,
in this embodiment, two installation tables 12 are provided, the two installation tables 12 are respectively located at two sides of the working table 11, the two installation tables 12 are respectively provided with the first driving mechanisms, two ends of the installation beam 13 are respectively fixed with the first nuts of the first driving mechanisms, and the installation beam moves along the Y-axis direction under the guidance of the first guiding assemblies, so that the first screws 22 of the two first screw motors rotate simultaneously to drive the two first nuts to link with the first nuts under the guidance of the two first guiding assemblies, so that the installation structure and the driving structure of the installation beam 13 are stable.
Of course, referring to fig. 3, two mounting tables 12 are provided, the two mounting tables 12 are respectively located at two sides of the working table 11, the first driving mechanism is mounted on one of the mounting tables 12, that is, only one first driving mechanism is provided, on the basis of the structure, two first guiding assemblies of the first driving mechanism can be provided, and the first guiding assemblies are mounted on the respective mounting tables 12; one end of the mounting beam 13 is fixed with a first nut; both ends of the mounting beam 13 move in the Y-axis direction under the guidance of the respective first guide assemblies. Thus, the first screw motor 21 of the first driving mechanism on one of the mounting tables 12 can rotate to drive the corresponding first nut to rotate, so that the first nut can move along the Y-axis direction under the guidance of the two first guiding assemblies, and similarly, in the mounting structure, the first screw motor 21 is driven by one of the end portions of the mounting beam 13, and the two ends of the mounting beam 13 are supported by the two mounting tables 12 and guided by the two first guiding assemblies, so that the mounting structure and several driving structures are stable.
Referring to fig. 2, two installation platforms 12 are provided, the two installation platforms 12 are respectively located at two sides of the workbench 11, and an installation plate 15 is fixedly connected between the two installation platforms 12; the first screw motor 21 of the first driving mechanism may be mounted on the mounting plate 15; the first guide assembly is mounted on each mounting table 12; the middle part of the mounting beam 13 is fixedly connected with a first nut; both ends of the mounting beam 13 move in the Y-axis direction under the guidance of the respective first guide assemblies. With this mounting structure, the first screw motor 21 is driven by the middle of the mounting beam 13, the driving force is balanced, and both ends of the mounting beam 13 are also supported by the two mounting tables 12 and guided by the two first guide assemblies, so that the mounting structure and the driving structure are stable.
Preferably, the first guiding assembly includes a first guiding sleeve and a first guiding rail, the first guiding rail extends along the Y-axis direction and is fixedly connected to the mounting table 12; the first guide sleeve is fixedly connected with the mounting beam 13 and is in sliding fit with the first guide rail. In this manner, movement of the mounting beam 13 after the first lead screw motor 21 is activated may be guided by the sliding fit of the first guide sleeve and the first guide rail.
In the embodiment, another implementation mode is provided, namely the first driving mechanism is a linear motor driving mechanism, and the second driving mechanism is a screw rod transmission driving mechanism;
referring to fig. 1, the first driving mechanism includes a second linear motor 20, the second linear motor 20 is installed on the installation table 12 and arranged along the Y-axis direction, and the end of the installation beam 13 is fixedly connected with the translation table of the second linear motor 20; thus, the translation stage of the second linear motor 20 moves to drive the mounting beam 13 to move along the Y-axis direction.
The second driving mechanism comprises a second lead screw motor 31, a second nut and a second guide assembly, the second lead screw motor 31 is installed on the installation table 12, a second lead screw 32 of the second lead screw motor extends along the X-axis direction, and a second nut is sleeved outside the second lead screw 32 of the second lead screw motor in a threaded manner; the fixing frame 14 is fixed with the second nut and can move along the X-axis direction under the guidance of the second guiding component. Therefore, when the fixing frame 14 is driven to move along the X-axis direction, the second lead screw motor 31 can be started, the second lead screw motor 31 can drive the second lead screw to rotate by rotating, the second lead screw can drive the second nut in threaded fit with the second lead screw to rotate by rotating, the rotating motion of the second nut can be limited by the second guide assembly and converted into the linear motion along the X-axis direction, and therefore the fixing frame 14 can move along the X-axis direction under the guide of the second guide assembly, and further the machining tool 50 is driven to move along the X-axis direction.
Preferably, the second guide assembly comprises a second guide sleeve and a second guide rail, and the second guide rail extends along the X-axis direction and is fixedly connected with the mounting beam 13; the second guide sleeve is fixedly connected with the fixed frame 14 and is in sliding fit with the second guide rail. In this manner, upon activation of the second lead screw motor 31, the movement of the mount 14 may be guided by the sliding fit of the second guide sleeve and the second guide rail.
Further, the number of the installation tables 12 is two, the two installation tables 12 are located on two sides of the workbench 11 respectively, the second linear motors 20 are arranged at the top ends of the two installation tables 12, two ends of the installation beam 13 are fixedly connected with the translation tables of the second linear motors 20 respectively, so that two end portions of the installation beam 13 can be driven by the translation tables of the second linear motors 20 respectively, and the installation structure is stable while the driving structure is stable.
Of course, there are two mounting tables 12, the two mounting tables 12 are respectively located at two sides of the working table 11, and the top end of one of the mounting tables 12 is provided with the second linear motor 20; the top end of the other mounting table 12 is provided with a slide rail; one end part of the mounting beam 13 is fixedly connected with a translation stage of the second linear motor 20; the other end of the mounting beam 13 is in sliding fit with the slide rail through a slider. Therefore, the driving force can be output through the translation table of the second linear motor 20 to drive one end of the mounting beam 13 to move, the other end of the mounting beam 13 can move stably under the guidance of the sliding block and the sliding rail, and the driving structure is stable while the mounting structure is stable.
The embodiment further provides another implementation manner, that is, the first driving mechanism and the second driving mechanism are linear motor driving mechanisms, that is, linear motors are respectively arranged at the end of the mounting table 12 and on the mounting beam 13, and the mounting beam 13 and the fixing frame 14 can be driven by the translation table corresponding to the linear motors.
Referring to fig. 4, two installation tables 12 are provided, the two installation tables 12 are respectively located at two sides of the processing table, linear motors are respectively arranged at the top ends of the two installation tables 12, two ends of the installation beam 13 are respectively fixed with translation tables of the linear motors on the two installation tables 12, the linear motors are arranged on the installation beam 13, the fixed frame 14 is fixed with the translation tables of the linear motors on the installation beam 13, and the installation and driving structure is stable.
Preferably, the third driving mechanism includes a third lead screw motor 41, a third nut and a third guiding assembly, the third lead screw motor 41 is installed on the installation table 12, a third lead screw 42 of the third lead screw motor extends along the Z-axis direction, and a third nut is threadedly sleeved outside the third lead screw 42 of the third lead screw motor; the machining tool 50 is fixed to the third nut and is movable in the Z-axis direction under the guidance of the third guide assembly. Therefore, when the fixing frame 14 is driven to move along the X-axis direction, the third lead screw motor 41 can be started, the third lead screw motor 41 can drive the third lead screw to rotate by rotating, the third lead screw can drive the third nut in threaded fit with the third lead screw to rotate by rotating, the rotating motion of the third nut can be limited by the third guiding component and converted into the linear motion along the Z-axis direction, and therefore the fixing frame 14 can move along the Z-axis direction under the guidance of the third guiding component, and further the machining tool 50 is driven to move along the Z-axis direction.
Preferably, the third guiding assembly includes a third guiding sleeve and a third guiding rail, and the third guiding rail extends along the Z-axis direction and is fixed with the fixing frame 14; the third guide sleeve is fixedly connected with the machining tool 50 and is in sliding fit with the third guide rail. In this manner, upon activation of the third lead screw motor 41, the movement of the machining tool 50 may be guided by the sliding fit of the third guide sleeve and the third guide rail.
It should be noted that, in the embodiment, at least one of the first driving mechanism and the second driving mechanism is a linear motor driving mechanism, which has the advantage of high precision and can improve the overall precision of the engraving and milling machine, and the third driving mechanism adopts a screw rod transmission mechanism to output the motion in the height direction, and since the driving structure of the screw rod transmission mechanism is the matching of the nut and the screw rod, the processing tool 50 can be prevented from falling down due to its own gravity in the driving process, and the driving structure is stable. In other cases, the first driving mechanism, the second driving mechanism and the third driving mechanism can also be other linear motion output mechanisms in the prior art (such as a single-shaft sliding table, etc.)
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (10)
1. An overhead automatic engraving and milling machine is characterized by comprising a machine body, wherein the machine body is provided with a mounting table, a workbench, a mounting beam, a fixing frame, a processing cutter, a first driving mechanism, a second driving mechanism and a third driving mechanism, and the mounting table is fixedly connected to the machine body and extends along the Z-axis direction; the mounting beam and the first driving mechanism are both mounted at the top end of the mounting platform; the mounting beam extends along the X-axis direction; the first driving mechanism is used for driving the mounting beam to move along the Y-axis direction; the fixing frame and the second driving mechanism are both arranged on the mounting beam, and the second driving mechanism is used for driving the fixing frame to move along the X-axis direction; the fixed frame extends along the Z-axis direction; the processing cutter and the third driving mechanism are both arranged on the fixed frame; the third driving mechanism is used for driving the machining tool to move along the Z-axis direction; the workbench is fixedly connected to the end face of the machine body and is positioned on the motion trail of the machining cutter; at least one of the first driving mechanism and the second driving mechanism is a linear motor driving mechanism.
2. The overhead automatic engraving and milling machine according to claim 1, wherein the first driving mechanism is a screw driving mechanism, and the second driving mechanism is a linear motor driving mechanism;
the first driving mechanism comprises a first lead screw motor, a first nut and a first guide assembly, the first lead screw motor is installed on the installation table, a first lead screw of the first lead screw motor extends along the Y-axis direction, and the first nut is sleeved outside the first lead screw of the first lead screw motor in a threaded mode; the mounting beam is fixed with the first nut and can move along the Y-axis direction under the guidance of the first guide assembly;
the second driving mechanism comprises a first linear motor, and the first linear motor is arranged on the mounting beam and arranged along the X-axis direction; the fixed frame is fixedly connected with the translation table of the first linear motor.
3. The overhead automatic engraving and milling machine according to claim 2, wherein there are two mounting tables, two of which are respectively located at both sides of the worktable, and the first driving mechanism is provided on both mounting tables; and two ends of the mounting beam are respectively fixed with the first nuts and move along the Y-axis direction under the guidance of the first guide assemblies.
4. The overhead automatic engraving and milling machine according to claim 2, wherein there are two mounting tables, the two mounting tables being respectively located at both sides of the working table, the first driving mechanism being mounted on one of the mounting tables, each mounting table having the first guide assembly mounted thereon; one end part of the mounting beam is fixed with the first nut; the two ends of the mounting beam move along the Y-axis direction under the guidance of the first guide assemblies.
5. The overhead automatic engraving and milling machine according to claim 2, wherein there are two mounting tables, the two mounting tables are respectively located at two sides of the worktable, and a mounting plate is fixedly connected between the two mounting tables; the first screw rod motor is arranged on the mounting plate; the first guide assembly is mounted on each mounting table; the middle part of the mounting beam is fixedly connected with a first nut; the two ends of the mounting beam move along the Y-axis direction under the guidance of the first guide assemblies.
6. The overhead automatic engraving and milling machine according to claim 1, wherein the first driving mechanism is a linear motor driving mechanism, and the second driving mechanism is a lead screw transmission driving mechanism;
the first driving mechanism comprises a second linear motor, the second linear motor is arranged on the mounting table and arranged along the Y-axis direction, and the end part of the mounting beam is fixedly connected with a translation table of the second linear motor;
the second driving mechanism comprises a second lead screw motor, a second nut and a second guide assembly, the second lead screw motor is installed on the installation table, a second lead screw of the second lead screw motor extends along the X-axis direction, and a second nut is sleeved outside the second lead screw of the second lead screw motor in a threaded manner; the fixed frame is fixed with the second nut and can move along the X-axis direction under the guidance of the second guide assembly.
7. The overhead automatic engraving and milling machine according to claim 6, wherein two mounting tables are provided, the two mounting tables are respectively located at both sides of the worktable, the second linear motors are respectively provided at the top ends of the two mounting tables, and both ends of the mounting beam are respectively fixedly connected with the translation tables of the second linear motors.
8. The overhead automatic engraving and milling machine according to claim 6, wherein there are two mounting tables, the two mounting tables are respectively located at both sides of the worktable, and the second linear motor is provided at the top end of one of the mounting tables; the top end of the other mounting table is provided with a slide rail; one end part of the mounting beam is fixedly connected with a translation table of the second linear motor; the other end part of the mounting beam is in sliding fit with the sliding rail through a sliding block.
9. The overhead automatic engraving and milling machine of claim 1, wherein the first driving mechanism and the second driving mechanism are linear motor driving mechanisms.
10. The overhead automatic engraving and milling machine according to claim 1, wherein the third driving mechanism comprises a third lead screw motor, a third nut and a third guide assembly, the third lead screw motor is mounted on the mounting table, a third lead screw of the third lead screw motor extends along the Z-axis direction, and the third nut is threadedly sleeved outside the third lead screw of the third lead screw motor; the machining tool is fixed with the third nut and can move along the Z-axis direction under the guidance of the third guide assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920444511.0U CN209986531U (en) | 2019-04-03 | 2019-04-03 | Automatic cnc engraving and milling machine of overhead |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920444511.0U CN209986531U (en) | 2019-04-03 | 2019-04-03 | Automatic cnc engraving and milling machine of overhead |
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| CN209986531U true CN209986531U (en) | 2020-01-24 |
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