CN216632612U - Numerical control machining equipment adopting linear motor high-response spindle box - Google Patents
Numerical control machining equipment adopting linear motor high-response spindle box Download PDFInfo
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- CN216632612U CN216632612U CN202122822162.1U CN202122822162U CN216632612U CN 216632612 U CN216632612 U CN 216632612U CN 202122822162 U CN202122822162 U CN 202122822162U CN 216632612 U CN216632612 U CN 216632612U
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Abstract
The utility model relates to the technical field of numerical control machining, in particular to numerical control machining equipment adopting a linear motor high-response spindle box. According to the utility model, three-axis feeding motion of the equipment is realized through the XYZ-axis linear motor, so that horizontal longitudinal feeding motion of a saddle, horizontal transverse feeding motion of a worktable and vertical feeding of a machine head are realized, a main shaft is further used for processing a workpiece, high-precision processing can be realized while the production efficiency of the machine tool is improved, and closed-loop feedback is formed through a grating ruler while the production efficiency of the machine tool is improved by replacing a transmission system of the machine tool with the linear motor, so that the processing precision is greatly improved, and assembly errors caused by motor screw transmission and use abrasion errors in subsequent use are reduced.
Description
Technical Field
The utility model relates to the technical field of numerical control machining, in particular to numerical control machining equipment adopting a linear motor high-response spindle box.
Background
The existing numerical control processing equipment mostly adopts a driving and transmission mode of a servo motor and a lead screw. In the mode, motion transmission is completed through a series of mechanisms such as a motor, a coupler, a lead screw and a nut, the structure is complex, and the transmission rigidity is insufficient; the lead screw and the nut are in contact friction, so that abrasion is generated, the positioning precision is influenced, and the mechanism is failed in severe cases; when the transmission direction is changed, the transmission lag is caused by the reverse clearance between the screw rod and the nut, and the processing precision is influenced.
Disclosure of Invention
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
The utility model aims to overcome the defects and provides a numerical control machining device adopting a linear motor high-response spindle box, wherein three-axis feeding motion of the device is realized through an XYZ-axis linear motor, so that horizontal and longitudinal feeding motion of a saddle, horizontal and transverse feeding motion of a worktable and vertical feeding of a machine head are realized, a workpiece is machined by the spindle, high-precision machining can be realized while the production efficiency of a machine tool is improved, the closed-loop feedback is formed by a grating ruler while the production efficiency of the machine tool is improved by replacing a transmission system of the machine tool by the linear motor, the machining precision is greatly improved, and assembly errors caused by the transmission of a motor screw rod and use abrasion errors in subsequent use are reduced.
In order to achieve the purpose, the technical solution of the utility model is as follows: a numerical control machining device adopting a linear motor high-response spindle box comprises a machine body, a saddle and a stand column, wherein a concave table is arranged at the top of the machine body, Y-axis rails are arranged on two sides of the top of the concave table, a Y-axis linear motor is arranged in the middle of the Y-axis rail, and a Y-axis grating ruler is arranged between the Y-axis rail and the Y-axis linear motor; the saddle is driven by the Y-axis linear motor, two sides of the bottom of the saddle are connected with the Y-axis rail in a sliding manner, two sides of the top of the saddle are provided with X-axis rails, an X-axis linear motor is arranged between the X-axis rails, the X-axis rails are connected with a workbench in a sliding manner, the workbench is driven by the X-axis linear motor, and one side of the workbench is provided with an X-axis grating ruler; the stand is arranged on one side of the concave platform, Z-axis rails are arranged on two sides of the upper end of the stand opposite to the concave platform, a Z-axis grating ruler is arranged on one vertical surface of the stand and one vertical surface of the Z-axis rails, a Z-axis linear motor is arranged between the Z-axis rails, a machine head is connected to the Z-axis rails in a sliding mode and driven by the Z-axis linear motor, and a main shaft is arranged at the bottom end of the machine head.
Preferably, the tool changer further comprises a disc tool magazine, and the disc tool magazine is arranged on one side of the upright post through a tool magazine support and used for rapidly changing tools.
Preferably, the inclined grooves are formed in two sides of the top of the lathe bed, the structure can enable bulk metal chips to roll backwards along the chip discharge grooves to be discharged, meanwhile, the inclined surface structure can improve the chip flushing efficiency, and the metal chips are prevented from being accumulated to block the lathe.
Preferably, the bottom of the saddle is of a cross structure, the contact surface of the Y-axis linear motor is lengthened and protrudes out of the front end surface and the rear end surface of the saddle, the contact surface of the Y-axis linear motor can be enlarged by the cross structure, the stability of the cross structure is enhanced, inertial machining errors caused by high-speed movement are avoided, and the machining stroke in the X-axis direction can be ensured.
Preferably, the machine head is of a short cantilever structure, so that the distance from the center of the main shaft to the linear rail sliding block is greatly shortened, the main shaft box is prevented from sagging, and the verticality between the Z-axis running process and the workbench is ensured.
Preferably, the disc tool magazine is inclined by 35-55 degrees relative to the vertical direction, and the disc tool magazine adopts an inclined structure forming a 45-degree angle with the vertical direction, so that the disc tool magazine is close to the spindle box to the maximum extent, a tool arm is shortened, tool changing time is shortened, and machining efficiency is improved.
Preferably, the machine head is connected with the Z-axis rail through a guide rail clamp, so that the anti-falling function is ensured, and the stability of the Z-axis direction during machining is ensured.
Preferably, the Y-axis linear motor and the Y-axis grating ruler are respectively mounted on the bed and the saddle by bolts.
Preferably, the X-axis linear motor and the X-axis grating ruler are respectively mounted on the saddle and the worktable by bolts.
Preferably, the Z-axis linear motor and the Z-axis grating ruler are respectively mounted on the machine head and the upright through bolts.
By adopting the technical scheme, the utility model has the beneficial effects that:
1. this application realizes the triaxial feed motion of equipment through XYZ axle linear electric motor, thereby realize the horizontal vertical feed motion of saddle, the horizontal transverse feed motion of workstation, the direction feeds from top to bottom of the aircraft nose, and then make the main shaft process the work piece, realized can realizing high accuracy processing when promoting the production efficiency of lathe, and the transmission system who uses linear electric motor replacement lathe has realized forming closed loop feedback through the grating chi when promoting the production efficiency of lathe, and the machining precision is greatly improved, reduce assembly error and the use wearing and tearing error in the follow-up use that causes because of the motor screw drive.
2. This application aircraft nose adopts the project organization of short cantilever, through shortening the distance of main shaft center to line rail slider greatly, avoids the headstock flagging, guarantees the straightness that hangs down with the workstation in the Z axle operation process. And the distance from the center of gravity of the spindle box to a lead screw driving source is greatly shortened by shortening the distance from the center of the spindle to a linear rail sliding block, the dynamic characteristic of a Z shaft and high-speed acceleration and deceleration high-speed running are greatly improved, meanwhile, a guide rail clamp is also used for the Z shaft, the anti-falling function is ensured, and the stability of the Z shaft direction in the machining process is ensured.
3. This application is with nose portion overhanging length transposition to the stand, through the design of the altitude rail surface of stand, guarantees that the processing stroke of Y axle does not receive the influence of main shaft overhanging, and nose structure and rib promote the vertical rigidity of aircraft nose through topological optimization, and the stand also optimizes overall structure through topological optimization simultaneously, strengthens its structural rigidity. The design can effectively improve the machining precision of the machine tool.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Clearly, such and other objects of the present invention will become more apparent in the light of the following detailed description of the preferred embodiments as illustrated in the various figures and drawings.
These and other objects, features and advantages of the present invention will become more apparent from the following detailed description of one or more preferred embodiments of the utility model, as illustrated in the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings, like parts are designated with like reference numerals, and the drawings are schematic and not necessarily drawn to scale.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to such drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a numerical control machining device using a linear motor high-response spindle box according to the present invention;
FIG. 2 is a schematic structural diagram A of a numerical control machining device adopting a linear motor high-response spindle box according to the utility model;
FIG. 3 is a structural side view of a numerical control machining device adopting a linear motor high-response spindle box.
Description of the main reference numerals:
1. a bed body;
11. a concave table; 12. a Y-axis rail; 13. a Y-axis linear motor; 14. a Y-axis grating scale; 15. an inclined groove;
2. a saddle;
21. an X-axis line rail; 22. an X-axis linear motor; 23. a work table; 24. an X-axis grating scale;
3. a column;
31. a Z-axis linear rail; 32. a Z-axis grating scale; 33. a Z-axis linear motor; 34. a machine head; 35. a main shaft; 36. a guide rail clamp;
4. a disc tool magazine;
41. a tool magazine support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected through a transition structure, but are connected through a connection structure to form a whole. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a numerical control machining device adopting a linear motor high-response spindle box according to the present invention; FIG. 2 is a schematic structural diagram of a numerical control machining apparatus A using a linear motor high-response spindle box according to the present invention;
FIG. 3 is a structural side view of a numerical control machining device adopting a linear motor high-response spindle box.
The embodiment provides a numerical control machining device adopting a linear motor high-response spindle box, which comprises a machine body 1, a saddle 2 and a stand column 3, wherein a concave table 11 is arranged at the top of the machine body 1, Y-axis rails 12 are arranged on two sides of the top of the concave table 11, a Y-axis linear motor 13 is arranged in the middle of the Y-axis rail 12, and a Y-axis grating ruler 14 is arranged between the Y-axis rail 12 and the Y-axis linear motor 13; the saddle 2 is connected with the Y-axis rail 12 in a sliding manner, the saddle 2 is driven by the Y-axis linear motor 13, two sides of the bottom of the saddle are connected with the Y-axis rail 12 in a sliding manner, an X-axis linear motor 22 is arranged between the X-axis rails 21, the X-axis rails 21 are connected with a workbench 23 in a sliding manner, the workbench 23 is driven by the X-axis linear motor 22, and an X-axis grating ruler 24 is arranged on one side of the workbench 23; the upright column 3 is arranged on one side of the concave table 11, Z-axis rails 31 are arranged on two sides of the upper end of one face, opposite to the concave table 11, of the upright column 3, a Z-axis grating ruler 32 is arranged on one face, perpendicular to the Z-axis rails 31, of the upper end of the upright column 3, a Z-axis linear motor 33 is arranged between the Z-axis rails 31, a machine head 34 is connected to the Z-axis rails 31 in a sliding mode, the machine head 34 is driven by the Z-axis linear motor 33 through the Z-axis linear motor 33, and a main shaft 35 is arranged at the bottom end of the machine head 34. A Z-axis linear motor 33 drives a machine head 34 to feed along a 12Z-axis rail 31 in the up-and-down direction, an X-axis linear motor 22 drives a workbench 23 to horizontally and transversely feed along an X-axis rail 21, a Y-axis linear motor 13 drives a saddle 2 to horizontally and longitudinally feed along a Y-axis rail 12, and a main shaft 35 is used for machining a workpiece.
Still include disc tool magazine 4, this disc tool magazine 4 sets up on this stand 3 one side through tool magazine support 41 for quick cutter changing, this disc tool magazine 4 is 35-55 slopes relatively vertical direction, disc tool magazine 4 adopts the slope structure that forms 45 degrees angles with vertical direction, and furthest is close to the headstock, shortens the tool arm, shortens the tool changing time, improves machining efficiency.
The inclined grooves 15 are formed in the two sides of the top of the lathe body 1, the structure can enable bulk metal chips to roll backwards along the chip discharge grooves to be discharged, meanwhile, the inclined surface structure can improve the chip flushing efficiency, and the metal chips are prevented from being accumulated to block a machine tool.
The bottom of the saddle 2 is of a cross structure, the contact surface of the Y-axis linear motor is lengthened to protrude out of the front end surface and the rear end surface of the saddle, the contact surface of the Y-axis linear motor can be enlarged by the cross structure, the stability of the cross structure is enhanced, inertia machining errors caused by high-speed movement are avoided, and the machining stroke in the X-axis direction can be guaranteed.
The machine head 34 is in a short cantilever structure, the machine head 34 is connected with the Z-axis rail 31 through a guide rail clamp 36, the overhanging length is short, and the overhanging machine head 34 is in an upright column structure with high linear rail surface. The machine head 34 adopts a short cantilever design structure, so that the distance from the center of the main shaft 35 to the linear rail is greatly shortened, the main shaft box is prevented from sagging, and the verticality between the Z-axis operation process and the workbench is ensured. And the distance from the center of gravity of the spindle box to a lead screw driving source is greatly shortened by shortening the distance from the center of the spindle 35 to a linear rail, the dynamic characteristic of a Z axis and high-speed acceleration and deceleration high-speed operation are greatly improved, meanwhile, a guide rail clamp 36 is also used for the Z axis, the anti-falling function of the spindle box is ensured, and the stability of the Z axis direction in the machining process is ensured.
The Y-axis linear motor 13 and the Y-axis grating ruler 14 are mounted on the bed 1 and the saddle 2, respectively, by bolts. The X-axis linear motor 22 and the X-axis grating ruler 24 are respectively mounted on the saddle 2 and the table 23 by bolts. The Z-axis linear motor and the Z-axis grating ruler are respectively mounted on the machine head 34 and the upright 3 through bolts.
It is to be understood that the disclosed embodiments of the utility model are not limited to the particular process steps or materials disclosed herein, but rather, are extended to equivalents thereof as would be understood by those of ordinary skill in the relevant art. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to be limiting.
Reference in the specification to "an embodiment" means that a particular feature, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, the appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.
Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, amounts, etc., to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth.
Claims (10)
1. The utility model provides an adopt linear electric motor high response headstock's numerical control processing equipment which characterized in that includes:
the Y-axis grating ruler comprises a lathe bed, a concave table is arranged at the top of the lathe bed, Y-axis rails are arranged on two sides of the top of the concave table, a Y-axis linear motor is arranged in the middle of each Y-axis rail, and a Y-axis grating ruler is arranged between each Y-axis rail and the corresponding Y-axis linear motor;
the saddle is driven by the Y-axis linear motor, two sides of the bottom of the saddle are connected with the Y-axis rail in a sliding manner, two sides of the top of the saddle are provided with X-axis rails, an X-axis linear motor is arranged between the X-axis rails, the X-axis rails are connected with a workbench in a sliding manner, the workbench is driven by the X-axis linear motor, and one side of the workbench is provided with an X-axis grating ruler;
the stand, it sets up in this concave type platform one side, and the upper end both sides of the relative one side of this stand and this concave type platform are provided with Z axis rail, and wherein one side of this stand upper end and this Z axis rail is perpendicular is provided with Z axle grating chi, is provided with Z axle linear electric motor between this Z axis rail, and this Z axis rail sliding connection has the aircraft nose, and this aircraft nose passes through this Z axle linear electric motor drive, and this aircraft nose bottom is provided with the main shaft.
2. The numerical control machining device adopting the linear motor high-response spindle box as claimed in claim 1, further comprising a disc tool magazine, wherein the disc tool magazine is disposed on one side of the column through a tool magazine support.
3. The numerical control machining apparatus using the linear motor high-response spindle head as claimed in claim 1, wherein inclined grooves are provided on both sides of the top of the machine bed.
4. The numerical control machining device adopting the linear motor high-response spindle box as claimed in claim 1, wherein the bottom of the saddle is in a cross structure.
5. The numerical control machining device adopting the linear motor high-response spindle box as claimed in claim 2, characterized in that the machine head is in a short cantilever structure.
6. The numerical control machining apparatus using the high-response headstock of the linear motor according to claim 2, wherein the disc magazine is inclined at 35 ° to 55 ° with respect to the vertical direction.
7. The numerical control machining apparatus using the high-response headstock of the linear motor according to claim 1, wherein the head is connected to the Z-axis rail by a rail clamp.
8. The numerical control machining apparatus using the linear motor high-response headstock of claim 1, wherein the Y-axis linear motor and the Y-axis grating ruler are mounted on the bed and the saddle, respectively, by bolts.
9. The numerical control machining apparatus using the linear motor high-response headstock of claim 1, wherein the X-axis linear motor and the X-axis grating ruler are mounted on the saddle and the table, respectively, by bolts.
10. The numerical control machining apparatus using the linear motor high-response spindle head as claimed in claim 1, wherein the Z-axis linear motor and the Z-axis grating ruler are mounted on the head and the column, respectively, by bolts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822162.1U CN216632612U (en) | 2021-11-17 | 2021-11-17 | Numerical control machining equipment adopting linear motor high-response spindle box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122822162.1U CN216632612U (en) | 2021-11-17 | 2021-11-17 | Numerical control machining equipment adopting linear motor high-response spindle box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139125A (en) * | 2022-08-09 | 2022-10-04 | 晨和晨智能装备(江苏)有限责任公司 | High-efficient digit control machine tool |
| CN115519386A (en) * | 2022-10-12 | 2022-12-27 | 上海拓璞数控科技股份有限公司 | High-frequency feed processing device driven by linear motor |
| CN116100359A (en) * | 2022-12-29 | 2023-05-12 | 浙江鑫佳硕科技有限公司 | Numerical control optical machine feeding system |
-
2021
- 2021-11-17 CN CN202122822162.1U patent/CN216632612U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139125A (en) * | 2022-08-09 | 2022-10-04 | 晨和晨智能装备(江苏)有限责任公司 | High-efficient digit control machine tool |
| CN115519386A (en) * | 2022-10-12 | 2022-12-27 | 上海拓璞数控科技股份有限公司 | High-frequency feed processing device driven by linear motor |
| CN116100359A (en) * | 2022-12-29 | 2023-05-12 | 浙江鑫佳硕科技有限公司 | Numerical control optical machine feeding system |
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