CN218487734U - Machining platform and machine tool - Google Patents
Machining platform and machine tool Download PDFInfo
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- CN218487734U CN218487734U CN202222641712.4U CN202222641712U CN218487734U CN 218487734 U CN218487734 U CN 218487734U CN 202222641712 U CN202222641712 U CN 202222641712U CN 218487734 U CN218487734 U CN 218487734U
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Abstract
The application discloses processing platform and lathe, this processing platform includes the platform body, basic lathe bed and the direction slide rail set spare of locating basic lathe bed, support slide rail set spare, air supporting leg assembly and drive assembly, support slide rail set spare and be equipped with the multiunit and be located two outsides of direction slide rail set spare, and the length extending direction that supports slide rail set spare is the same with the length extending direction of direction slide rail set spare, air supporting leg set spare is equipped with many sets and is located two outsides of supporting slide rail set spare, the lower surface of platform body is connected in direction slide rail set spare, support slide rail set spare and air supporting leg set spare, drive assembly connects in the platform body, a motion on basic lathe bed for drive platform body. This application carries out effectual direction and support to jumbo size platform body through supporting slide rail set spare and air supporting leg subassembly, and then can avoid the platform body to produce bad phenomena such as beat, creep, improves the machining precision of lathe.
Description
Technical Field
The application relates to the technical field of machine tools, in particular to a machining platform for machining a circuit board and a machine tool comprising the machining platform.
Background
The machining platform is the machining foundation of the machine tool. The size of the platform determines the machining capacity and efficiency of the machine, especially in the case of multi-station machines, the increase in stations means that the size of the platform needs to be increased. Therefore, the large-sized processing platform is a key step of the machine tool in leap forward in processing capacity.
However, in contradiction, the machine tool has higher and higher precision requirements, which puts limitation on the size of the processing platform. Due to the fact that the machining platform is too large in size, various adverse factors such as deflection and creeping can be caused, and machining precision of the machine tool is affected.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the main object of the present application is to provide a large-size processing platform capable of avoiding the phenomena of deflection, creeping and the like of the processing platform.
In order to achieve the above purpose, the following technical solutions are specifically adopted in the present application:
the application provides a processing platform, processing platform includes:
a base bed;
the guide sliding rail assembly is arranged on the basic lathe bed;
the supporting slide rail assemblies are arranged on the basic lathe bed and are provided with a plurality of groups, the plurality of groups of supporting slide rail assemblies are positioned on two outer sides of the guiding slide rail assembly, and the length extending direction of the supporting slide rail assemblies is the same as that of the guiding slide rail assembly;
the air floatation supporting leg assemblies are arranged on the basic lathe bed and provided with a plurality of sets, and the plurality of sets of air floatation supporting leg assemblies are positioned on two outer sides of the supporting slide rail assembly;
the lower surface of the platform body is connected with the guide slide rail assembly, the support slide rail assembly and the air floatation support leg assembly so as to bear the platform body through the guide slide rail assembly, the support slide rail assembly and the air floatation support leg assembly;
the driving assembly is arranged on the basic lathe bed and connected to the platform body and used for driving the platform body to move on the basic lathe bed.
In some embodiments, the two sets of guide rail assemblies are arranged in parallel, and the driving assembly is arranged between the two sets of guide rail assemblies and is used for driving the platform body to move along the length extending direction of the guide rail assemblies.
In some embodiments, the driving assembly includes a linear motor, the linear motor is disposed on the base bed and located between the two sets of guide rail assemblies, and the linear motor is connected to the platform body.
In some embodiments, the driving assembly includes a rotary motor, a lead screw and a nut, the lead screw is disposed on the base bed and located between the two sets of guide rail assemblies, the platform bed is in threaded connection with the lead screw through the nut, and the rotary motor is disposed on the base bed and connected with the lead screw for driving the lead screw to rotate.
In some embodiments, the processing platform further includes a connecting boss, the connecting boss is disposed on the lower surface of the platform body, and the two sets of guide rail assemblies are connected to the connecting boss.
In some embodiments, at least two sets of the air supporting leg assemblies are respectively disposed on two outer sides of the supporting slide rail assembly.
In some embodiments, the air supporting leg assemblies located on the same side of the supporting slide rail assembly are arranged along the length extending direction of the guiding slide rail assembly.
In some embodiments, the processing platform further includes a connecting boss disposed on the lower surface of the platform body, and the connecting boss is disposed at a position corresponding to the position of the air-floating support foot assembly.
In some embodiments, the guide rail assembly and the support rail assembly each comprise a linear rail.
In some embodiments, each of the guide rail assembly and the support rail assembly includes a guide rail and a sliding member, the guide rail is disposed on the base bed, the sliding member is disposed on the lower surface of the platform body, and the sliding member is movably connected to the guide rail, so that the sliding member can slide along the length extending direction of the guide rail.
Correspondingly, the application also provides a machine tool, which comprises the processing platform and a processing assembly, wherein the processing platform is used for supporting the plate to be processed, and the processing assembly is used for processing the plate to be processed.
Compared with the prior art, the processing platform of this application includes basic lathe bed, direction slide rail set spare, support slide rail set spare, air supporting foot subassembly, platform body and drive assembly, direction slide rail set spare, support slide rail set spare and air supporting foot subassembly set up respectively in basic lathe bed, and support slide rail set spare and be located two outsides of direction slide rail set spare, the length extending direction that supports slide rail set spare is the same with the length extending direction of direction slide rail set spare, air supporting foot subassembly is located two outsides of supporting slide rail set spare, the lower surface of platform body is connected in direction slide rail set spare, support slide rail set spare and air supporting foot subassembly, drive assembly connects in the platform body, a motion on basic lathe bed for the drive platform body, thereby carry out effectual direction and support to jumbo size platform body through supporting slide rail set spare and air supporting foot subassembly, and then can avoid the platform body to produce the beat, bad phenomenon such as crawl, the machining precision of lathe has been improved.
Drawings
Fig. 1 is a front view of a processing platform provided in an embodiment of the present application.
Fig. 2 is a perspective view of a processing platform provided in an embodiment of the present application.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
The attached drawings are as follows:
1. a base bed; 2. a platform body; 3. a guide rail assembly; 4. supporting the slide rail assembly; 5. an air-float supporting leg assembly; 6. a drive assembly; 7. a block for raising; 8. and connecting the lug bosses.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; unless specified or indicated otherwise, the term "plurality" means two or more, and the term "plurality" means two or more; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
When the size of the platform body of the processing platform is large, the platform cannot be well supported and guided by only two guide sliding rails on two sides of the driving system. Especially when the driving system is driven by a linear motor, the distance between the two guide rails is required to be as short as possible because the linear motor has very large magnetic attraction. In this case, the natural frequency of the platform in the assembled condition is low, and the rigidity is poor, so two guide rails are usually added on both sides of the platform. Along with the continuous increase of platform size, under the unchangeable condition of platform thickness size, the direction slide rail of platform both sides probably will increase with the direction slide rail span that is close to actuating system. At this time, the unsupported portion between the platform guide rails may be largely deformed due to its own weight, thereby reducing the accuracy of the platform. In order to improve the precision of the platform, some machine tools can increase the thickness of the platform or change materials and structures to strengthen weak links, but the hardware cost is increased due to the increase of the weight of the platform, and the processing efficiency of the platform is also reduced under the condition that a driving system is not changed.
Meanwhile, the added guide sliding rail can play a good role in guiding the platform, but brings a serious problem. Granite or marble is usually chosen as the basic bed in precision machines, which have good thermal stability, while the platform is usually a metal material. When the platform and the basic lathe bed have different linear expansion coefficients, because the fixed guide slide rail span at the two ends of the platform is large, the uneven thermal expansion generated by the platform and the basic lathe bed cannot be released, and finally the deformation of the platform or the displacement of the guide rail can be caused, so that the machining precision of the machine tool is lost. The problem is particularly obvious when the device is used or transported in an environment with large temperature change. In severe cases, the machine tool is unusable and difficult to recover.
Referring to fig. 1 and 2, fig. 1 is a front view of a processing platform provided in an embodiment of the present application, and fig. 2 is a perspective view of the processing platform provided in the embodiment of the present application. The machining platform comprises a basic machine body 1, a platform body 2, a guide slide rail assembly 3, a support slide rail assembly 4, an air floatation support foot assembly 5 and a driving assembly 6. Basic lathe bed 1 is located respectively to direction slide rail set spare 3, support slide rail set spare 4 and air supporting leg subassembly 5, and support slide rail set spare 4 is equipped with the multiunit, and multiunit support slide rail set spare 4 is located two outsides of direction slide rail set spare 3, and the length extending direction that supports slide rail set spare 4 is the same with the length extending direction of direction slide rail set spare 3. The air supporting leg assemblies 5 are provided with a plurality of sets of air supporting leg assemblies 5, and the sets of air supporting leg assemblies 5 are positioned on two outer sides of the supporting slide rail assembly 4. The lower surface of the platform body 2 is connected to the guide slide rail assembly 3, the support slide rail assembly 4 and the air-floating supporting leg assembly 5 so as to bear the platform body 2 through the guide slide rail assembly 3, the support slide rail assembly 4 and the air-floating supporting leg assembly 5. Drive assembly 6 sets up in basic lathe bed 1, and drive assembly 6 connects in platform body 2 for drive platform body 2 moves on basic lathe bed 1.
Specifically, the support slide rail assemblies 4 are at least two sets, and the air-float support leg assemblies 5 are at least four sets. At least one group of supporting slide rail assemblies 4 are respectively arranged on two outer sides of the guiding slide rail assembly 3, and the length extending direction of each supporting slide rail assembly 4 is the same as that of the guiding slide rail assembly 3. At least two sets of air supporting leg assemblies 5 are respectively arranged on two outer sides of the supporting slide rail assembly 4, and the air supporting leg assemblies 5 positioned on the same side of the supporting slide rail assembly 4 are arranged along the length extending direction of the guiding slide rail assembly 3.
In some embodiments, two sets of the guide rail assemblies 3 and the support rail assemblies 4 are provided, and four sets of the air supporting leg assemblies 5 are provided. Two sets of direction slide rail set spare 3 parallel arrangement, drive assembly 6 sets up between two sets of direction slide rail set spares 3, and drive assembly 6 is connected with platform body 2 for drive platform body 2 removes along the length extending direction of direction slide rail set spare 3. Two outer sides of the guide sliding rail component 3 are respectively provided with a group of supporting sliding rail components 4. Two sets of air supporting leg assemblies 5 are respectively arranged on two outer sides of the supporting slide rail assembly 4, and the air supporting leg assemblies 5 located on the same side of the supporting slide rail assembly 4 are arranged along the length extending direction of the guiding slide rail assembly 3.
In the practical application scene, the span between two sets of direction slide rail set spares 3 is reduced as far as possible, and support slide rail set spares 4 and air supporting leg assembly 5 have been add in the outside of direction slide rail set spares 3 simultaneously to when guaranteeing platform body 2 plane degree, can lighten platform body 2's weight as far as possible, and can release the inhomogeneous thermal expansion that platform body 2 and basic lathe bed 1 produced completely.
In this embodiment, the guide rail assembly 3 and the support rail assembly 4 each include a linear rail, which is a rolling rail or a sliding rail with an automatic adjustment capability. It is understood that, in other embodiments, the guide rail assembly 3 and the support rail assembly 4 may also include a guide rail and a sliding member, the guide rail is disposed on the base bed 1, the sliding member is disposed on the lower surface of the platform body 2, and the sliding member can be movably connected to the guide rail, so that the sliding member can slide along the length extension direction of the guide rail.
In the present embodiment, the driving assembly 6 includes a linear motor and a fixed plate. The fixed plate sets up in linear slide rail, and linear electric motor installs in the fixed plate, and linear electric motor is connected with platform body 2 for the length extending direction removal of linear slide rail along the drive platform body 2.
In some embodiments, the driving assembly 6 includes a rotary motor, a lead screw and a nut, the lead screw and the rotary motor are respectively disposed on the base bed 1, the rotary motor is connected to the lead screw, the platform body 2 is in threaded connection with the lead screw through the nut, and the lead screw is driven to rotate by the rotary motor, so as to drive the platform body 2 to move.
In some embodiments, the air-floating-leg assembly 5 includes an air-floating leg provided with the base bed 1 and an air supply device for supplying air to the air-floating leg. In the practical application scene, for the air supporting foot air feed through air feeder, make the air-out flow of air supporting foot can bear certain positive pressure to realize the purpose of supporting platform body 2, wherein, the air supporting foot does not with platform body 2 direct contact.
Referring to fig. 1 and 3, the processing platform further includes a plurality of connecting bosses 8 and an elevating block 7, the connecting bosses 8 are provided, the connecting bosses 8 are respectively provided on the lower surface of the platform body 2, part of the connecting bosses 8 are connected to the guide rail assembly 3, and the position of part of the connecting bosses 8 corresponds to the position of the air-floatation support leg assembly 5. Because the size of the lower surface of the whole platform body 2 is large, the flatness of the lower surface of the whole platform body 2 is difficult to ensure. Therefore, the embodiment separately sets the connection boss 8 corresponding to the guide rail assembly 3 and the air supporting leg assembly 5, so as to ensure the flatness of the surface of the connection boss 8 connected with the guide rail assembly 3 and the flatness of the surface of the connection boss 8 corresponding to the air supporting leg assembly 5, thereby improving the processing precision. The heightening block 7 is arranged on the lower surface of the platform body 2 and used for heightening the height of the supporting slide rail assembly 4.
The restriction influence of 2 sizes of platform body can be eliminated to the processing platform of this embodiment, and when the size of platform body 2 was great, can carry out effectual direction and support through supporting slide rail set spare 4, avoids adverse phenomena such as beat, creep to appear in platform body 2. Meanwhile, the flatness of the platform body 2 can be effectively guaranteed through the arrangement of the air supporting leg assemblies 5, even if the platform body 2 is too large in size and causes thermal deformation, the air supporting leg assemblies 5 on the two sides can be completely released, the flatness of the platform body 2 cannot be affected, the high-precision operation of the platform body 2 is guaranteed, and the machining precision of a machine tool is improved.
Correspondingly, the application also discloses a machine tool, which comprises a processing assembly and the processing platform in any one of the embodiments, wherein the processing platform is used for supporting the plate to be processed, and the processing assembly is used for processing the plate to be processed.
The restriction influence of 2 sizes of platform body can be eliminated to the processing platform of this embodiment, and when the size of platform body 2 was great, can carry out effectual direction and support through supporting slide rail set spare 4, avoids adverse phenomena such as beat, creep to appear in platform body 2. Meanwhile, through the arrangement of the air supporting leg assemblies 5, the flatness of the platform body 2 can be effectively guaranteed, even if the platform body 2 is too large in size and causes thermal deformation, the platform body can be completely released through the air supporting leg assemblies 5 on the two sides, the flatness of the platform body 2 cannot be influenced, the high-precision operation of the platform body 2 is guaranteed, and the machining precision of a machine tool is improved.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A tooling platform, comprising:
a base bed;
the guide sliding rail assembly is arranged on the basic lathe bed;
the supporting slide rail assemblies are arranged on the basic lathe bed and are provided with a plurality of groups, the plurality of groups of supporting slide rail assemblies are positioned on two outer sides of the guiding slide rail assembly, and the length extending direction of the supporting slide rail assemblies is the same as that of the guiding slide rail assembly;
the air floatation supporting leg assemblies are arranged on the basic lathe bed and provided with a plurality of sets, and the plurality of sets of air floatation supporting leg assemblies are positioned on two outer sides of the supporting slide rail assembly;
the lower surface of the platform body is connected with the guide slide rail assembly, the support slide rail assembly and the air floatation support leg assembly so as to bear the platform body through the guide slide rail assembly, the support slide rail assembly and the air floatation support leg assembly;
the driving assembly is arranged on the basic lathe bed and connected to the platform body and used for driving the platform body to move on the basic lathe bed.
2. The processing platform according to claim 1, wherein two sets of the guide rail assemblies are arranged, the two sets of the guide rail assemblies are arranged in parallel, and the driving assembly is arranged between the two sets of the guide rail assemblies and is used for driving the platform body to move along the length extension direction of the guide rail assemblies.
3. The processing platform of claim 2, wherein the driving assembly comprises a linear motor, the linear motor is disposed on the base bed and between the two sets of guide rail assemblies, and the linear motor is connected to the platform body.
4. The processing platform of claim 2, wherein the driving assembly comprises a rotary motor, a lead screw and a nut, the lead screw is disposed on the base bed, the platform bed is in threaded connection with the lead screw through the nut, and the rotary motor is disposed on the base bed and connected with the lead screw for driving the lead screw to rotate.
5. The processing platform of claim 2, further comprising a connecting boss disposed on a lower surface of the platform body, wherein both sets of the guide rail assemblies are connected to the connecting boss.
6. The processing platform of claim 1, wherein at least two sets of the air-floating supporting leg assemblies are respectively disposed on two outer sides of the supporting slide rail assembly.
7. The processing platform of claim 6, wherein the air-float support foot assemblies located on the same side of the support rail assembly are arranged along a length extension direction of the guide rail assembly.
8. The processing platform of claim 6, further comprising a connecting boss, wherein the connecting boss is disposed on a lower surface of the platform body, and a position of the connecting boss corresponds to a position of the air-floating supporting foot assembly.
9. The processing platform of any one of claims 1 to 8, wherein the guide rail assembly and the support rail assembly each comprise a linear rail, or
The guide slide rail assembly and the support slide rail assembly respectively comprise a guide rail and a sliding part, the guide rail is arranged on the base lathe bed, the sliding part is arranged on the lower surface of the platform body, and the sliding part can be movably connected with the guide rail to enable the sliding part to slide along the length extending direction of the guide rail.
10. A machine tool comprising a machining assembly for supporting a plate to be machined and a machining platform according to any one of claims 1 to 9 for machining the plate to be machined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222641712.4U CN218487734U (en) | 2022-09-30 | 2022-09-30 | Machining platform and machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222641712.4U CN218487734U (en) | 2022-09-30 | 2022-09-30 | Machining platform and machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218487734U true CN218487734U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222641712.4U Active CN218487734U (en) | 2022-09-30 | 2022-09-30 | Machining platform and machine tool |
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|---|---|
| CN (1) | CN218487734U (en) |
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- 2022-09-30 CN CN202222641712.4U patent/CN218487734U/en active Active
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