CN111687648A - Crossbeam structure and have its lathe - Google Patents
Crossbeam structure and have its lathe Download PDFInfo
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- CN111687648A CN111687648A CN202010664396.5A CN202010664396A CN111687648A CN 111687648 A CN111687648 A CN 111687648A CN 202010664396 A CN202010664396 A CN 202010664396A CN 111687648 A CN111687648 A CN 111687648A
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- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000014509 gene expression Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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Abstract
The invention provides a beam structure and a machine tool with the same, wherein the beam structure comprises: the first supporting part extends along a first preset direction and is provided with a first supporting end and a second supporting end which are arranged oppositely; the second supporting part is arranged on the first supporting part and extends along a second preset direction, the second preset direction and the first preset direction are arranged at a preset angle, the second supporting part is provided with a connecting end and a third supporting end which are oppositely arranged, the connecting end is connected with the first supporting part, and the third supporting end is positioned between the first supporting end and the second supporting end so as to support through the first supporting end, the second supporting end and the third supporting end. The technical problem that the beam structure in the prior art is not enough in rigidity and deforms is solved.
Description
Technical Field
The invention relates to the technical field of machine tool equipment, in particular to a cross beam structure and a machine tool with the same.
Background
At present, a cross beam is one of main parts of a machine tool, and the cross beam mainly plays a role in bearing and supporting in whole machine equipment. The beam structure of the common gantry machine tool is mainly a two-point supporting structure, namely two ends of the beam structure are supported.
However, with such a structure, when the spindle box performs a machining task and moves on the cross beam, if the rigidity of the cross beam cannot meet the requirement, the cross beam structure is greatly deformed due to stress, and further the machining precision of the machine tool is greatly affected.
Disclosure of Invention
The invention mainly aims to provide a cross beam structure and a machine tool with the same, and aims to solve the technical problem that the cross beam structure in the prior art is insufficient in rigidity and deforms.
In order to achieve the above object, according to one aspect of the present invention, there is provided a beam structure including: the first supporting part extends along a first preset direction and is provided with a first supporting end and a second supporting end which are arranged oppositely; the second supporting part is arranged on the first supporting part and extends along a second preset direction, the second preset direction and the first preset direction are arranged at a preset angle, the second supporting part is provided with a connecting end and a third supporting end which are oppositely arranged, the connecting end is connected with the first supporting part, and the third supporting end is positioned between the first supporting end and the second supporting end so as to support through the first supporting end, the second supporting end and the third supporting end.
Further, the area of the end face of the connecting end is larger than that of the end face of the third support end.
Further, the cross-sectional area of the second support portion gradually decreases in the extending direction from the connecting end to the third support end.
Further, the second support portion includes: the supporting bottom plate is used for supporting the top plate, the supporting top plate is positioned above the supporting bottom plate, and one end of the supporting bottom plate is connected with one end of the supporting top plate to form a third supporting end; the connecting plate sets up between supporting baseplate and roof, and the one end of connecting plate is connected with the other end of roof, and the other end of connecting plate is connected with the other end of supporting baseplate, and the connecting plate is connected with first supporting part, and the connecting plate forms the link.
Further, in the extending direction from the connecting end to the third supporting end, the spacing distance between the supporting top plate and the supporting bottom plate is gradually reduced.
Furthermore, the supporting bottom plate is of a T-shaped plate structure; and/or the supporting top plate is of a T-shaped plate structure.
Further, the first support part includes: the main body part is connected with the second supporting part; the first supporting plate is arranged at one end of the main body part and protrudes out of the second supporting part, and the first supporting plate is used for forming a first supporting end; the second supporting plate is arranged at the other end of the main body part and protrudes out of the second supporting part, and the second supporting plate is used for forming a second supporting end.
Furthermore, a first sliding block is arranged on the first supporting part and is matched with a first sliding rail of the foundation to be installed, so that the first sliding block moves along the extending direction of the first sliding rail; and/or a second sliding block is arranged on the second supporting part and is matched with a second sliding rail of the foundation to be installed so that the second sliding block moves along the extending direction of the second sliding rail.
According to another aspect of the present invention, there is provided a machine tool comprising: a bearing table; the beam structure is arranged on the bearing table and is the beam structure provided by the above.
Further, the plummer includes: the first supporting end of the beam structure is arranged on the first bearing part; the second bearing part is arranged at an interval with the first bearing part, and a second supporting end of the beam structure is arranged on the second bearing part; and at least part of the third bearing part is positioned between the first bearing part and the second bearing part, and the third support end of the beam structure is arranged on the third bearing part.
By applying the technical scheme of the invention, the beam structure is supported under the combined action of the first supporting end, the second supporting end and the third supporting end of the first supporting part through the first supporting end and the second supporting end of the first supporting part and the third supporting end of the second supporting part, so that the overall setting stability of the beam structure can be improved, the situation that the beam deforms greatly in the middle due to the fact that the rigidity of the beam cannot be met in the using process is avoided, and the influence on the processing precision of a machine tool is further avoided. Therefore, the technical problem that the beam structure in the prior art is insufficient in rigidity and deformed can be solved through the technical scheme provided by the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 illustrates a schematic structural view of a beam structure provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a top view of a beam structure provided in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram showing a partial structure of a machine tool provided according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a first support section; 11. a first support end; 12. a second support end; 13. a main body portion; 14. a first support plate; 15. a second support plate; 16. a rib plate; 20. a second support portion; 21. a connecting end; 22. a third support end; 23. a support base plate; 24. supporting a top plate; 25. a connecting plate; 30. a bearing table; 31. a first bearing part; 32. a second bearing part; 33. and a third bearing part.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, according to a first embodiment of the present invention, a beam structure is provided, which includes a first supporting portion 10 and a second supporting portion 20, the first supporting portion 10 extends along a first predetermined direction, and the first supporting portion 10 has a first supporting end 11 and a second supporting end 12 which are oppositely disposed. The second supporting portion 20 is disposed on the first supporting portion 10, the second supporting portion 20 extends along a second predetermined direction, the second predetermined direction is disposed at a predetermined angle with respect to the first predetermined direction, the second supporting portion 20 has a connecting end 21 and a third supporting end 22 disposed opposite to each other, the connecting end 21 is connected to the first supporting portion 10, and the third supporting end 22 is disposed between the first supporting end 11 and the second supporting end 12 to be supported by the first supporting end 11, the second supporting end 12 and the third supporting end 22.
Adopt the crossbeam structure that this embodiment provided, the first support end 11 and the second of first supporting part 10 support end 12 and the third of second supporting part 20 and support end 22, support the crossbeam structure under the combined action of first support end 11, second support end 12 and third support end 22, can improve crossbeam structure's whole stability that sets up, thereby avoid the crossbeam to take place the condition of great deformation at the middle part because of rigidity can't satisfy in the use, and then avoided the influence to the machining precision of lathe.
Specifically, the area of the end surface of the connecting end 21 in the present embodiment is larger than the area of the end surface of the third support end 22. By adopting the structure, the connection stability of the connecting end 21 can be improved, so that the third supporting end 22 can have enough bearing capacity, and the overall stability of the structure can be ensured.
In the present embodiment, the cross-sectional area of the second support portion 20 gradually decreases in the extending direction from the connecting end 21 to the third support end 22. The cross-sectional area herein means an area of a cross-section perpendicular to an extending direction of the connecting end 21 to the third supporting end 22. With such a structural arrangement, the overall weight of the beam structure can be reduced as much as possible while ensuring the connection stability of the first support part 10 and the second support part 20.
Specifically, the second support portion 20 in the present embodiment includes a support bottom plate 23, a support top plate 24, and a connecting plate 25, the support top plate 24 is located above the support bottom plate 23, and one end of the support bottom plate 23 is connected to one end of the support top plate 24 to form the third support end 22. The connecting plate 25 is arranged between the supporting bottom plate 23 and the supporting top plate 24, one end of the connecting plate 25 is connected with the other end of the supporting top plate 24, the other end of the connecting plate 25 is connected with the other end of the supporting bottom plate 23, the connecting plate 25 is connected with the first supporting portion 10, the connecting plate 25 forms a connecting end 21, and the connecting area can be increased by connecting the connecting plate 25 with the second connecting portion. Like this, both guaranteed the connection stability of first connecting portion and second connecting portion, can also lighten holistic weight through such hollow structure, also improved holistic support stability.
Specifically, the connecting plate 25 in this embodiment is provided with a plurality of hollow portions, and the plurality of hollow portions are arranged at intervals along the extending direction of the connecting plate 25. By adopting the structure, the supporting bottom plate 23 and the supporting top plate 24 can be stably connected by the connecting plate 25, the supporting stability of the connecting plate 25 on the supporting top plate 24 can be ensured, the weight of the whole structure can be further reduced, and the bearing weight of the installation foundation is reduced.
Specifically, the distance between the top support plate 24 and the bottom support plate 23 gradually decreases along the extending direction from the connecting end 21 to the third support end 22. That is, the support top plate 24 is disposed obliquely downward to the horizontal direction, and the overall weight of the cross beam structure can be greatly reduced by such an oblique plate arrangement structure. Specifically, the inclination angle should be increased as much as possible on the premise that the rigidity of the beam structure meets the working conditions when the inclination angle is designed, so that the overall weight is reduced more.
Specifically, the support base plate 23 may be a T-shaped plate structure; alternatively, the supporting top plate 24 is a T-shaped plate structure; alternatively, the support bottom plate 23 and the support top plate 24 are both of a T-shaped plate structure. Preferably, the supporting bottom plate 23 and the supporting top plate 24 in this embodiment are both of a T-shaped plate structure, so as to reduce the overall weight as much as possible, reduce the occupied space, and optimize the overall configuration of the overall structure, so that the structure is more reasonable.
In the present embodiment, the first support part 10 includes a body part 13, a first support plate 14, and a second support plate 15, and the body part 13 is connected to the second support part 20. The first support plate 14 is disposed at one end of the main body 13, the first support plate 14 is disposed to protrude from the second support portion 20, and the first support plate 14 is used to form the first support end 11. The second support plate 15 is disposed at the other end of the main body 13, the second support plate 15 is disposed to protrude from the second support portion 20, and the second support plate 15 is used to form the second support end 12. Specifically, the size of the main body 13 is larger than the size of the first and second support plates 14 and 15, and the side portions of the main body 13 are all used for connection with the second support portion 20, so as to improve the stability of the connection. Meanwhile, the first and second support plates 14 and 15 can reduce the weight of the first support part 10 while ensuring stable support of the first and second support ends 11 and 12. In order to improve the stability of the structure, rib plates 16 are disposed at the first support plate 14 and the second support plate 15 to improve the strength of the structure and ensure the stability of the support.
Specifically, the first support part 10 in this embodiment is provided with a first sliding block, and the first sliding block is adapted to a first sliding rail of the foundation to be installed, so that the first sliding block moves along the extending direction of the first sliding rail. Or, a second sliding block is disposed on the second supporting portion 20, and the second sliding block is adapted to a second sliding rail of the foundation to be installed, so that the second sliding block moves along the extending direction of the second sliding rail. Or, a first sliding block is arranged on the first supporting part 10, the first sliding block is matched with a first sliding rail of the foundation to be installed so that the first sliding block moves along the extending direction of the first sliding rail, a second sliding block is arranged on the second supporting part 20, and the second sliding block is matched with a second sliding rail of the foundation to be installed so that the second sliding block moves along the extending direction of the second sliding rail.
Preferably, in this embodiment, the first support portion 10 is provided with a first sliding block, the first sliding block is adapted to a first sliding rail of the foundation to be installed, so that the first sliding block moves along the extending direction of the first sliding rail, the second support portion 20 is provided with a second sliding block, and the second sliding block is adapted to a second sliding rail of the foundation to be installed, so that the second sliding block moves along the extending direction of the second sliding rail. Adopt such structure setting, can be convenient for through first sliding block and second sliding block removal crossbeam structure, the operation of being convenient for. Specifically, a first sliding block is disposed on each of the first support end 11 and the second support end 12.
According to another aspect of the present invention, there is provided a machine tool comprising a carrier table 30 and a beam structure provided on the carrier table 30, the beam structure being as provided above.
Specifically, the bearing table 30 in this embodiment includes a first bearing portion 31, a second bearing portion 32 and a third bearing portion 33, and the first support end 11 of the beam structure is disposed on the first bearing portion 31. The second bearing part 32 is arranged at a distance from the first bearing part 31, and the second support end 12 of the beam structure is arranged on the second bearing part 32. At least part of the third bearing part 33 is located between the first bearing part 31 and the second bearing part 32, and the third support end 22 of the beam structure is arranged on the third bearing part 33. By adopting the structure, the bearing stability can be improved. Specifically, a first slide rail is disposed on each of the first bearing portion 31 and the second bearing portion 32, and a second slide rail is disposed on the third bearing portion 33, so as to better move the beam structure on the bearing platform 30.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the number of supporting points of the cross beam on the base casting is increased, so that the structural rigidity and the bearing capacity of the cross beam are enhanced, and the machining precision is improved. The stress of the whole part of the beam is dispersed, so that the rigidity of the beam is increased, the structural rigidity and the bearing capacity of the beam are stronger, and the stability is better.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A beam structure, comprising:
the supporting device comprises a first supporting part (10), wherein the first supporting part (10) extends along a first preset direction, and the first supporting part (10) is provided with a first supporting end (11) and a second supporting end (12) which are oppositely arranged;
the second supporting part (20) is arranged on the first supporting part (10), the second supporting part (20) extends along a second preset direction, the second preset direction and the first preset direction are arranged at a preset angle, the second supporting part (20) is provided with a connecting end (21) and a third supporting end (22) which are oppositely arranged, the connecting end (21) is connected with the first supporting part (10), and the third supporting end (22) is positioned between the first supporting end (11) and the second supporting end (12) so as to be supported by the first supporting end (11), the second supporting end (12) and the third supporting end (22).
2. Beam structure according to claim 1, characterized in that the area of the end face of the connecting end (21) is larger than the area of the end face of the third support end (22).
3. Beam structure according to claim 1, characterized in that the cross-sectional area of the second support (20) is decreasing in the extension direction of the connection end (21) to the third support end (22).
4. Beam structure according to claim 1, characterized in that the second support (20) comprises:
a support bottom plate (23),
a top support plate (24), the top support plate (24) being located above the bottom support plate (23), one end of the bottom support plate (23) being connected to one end of the top support plate (24) to form the third support end (22);
the connecting plate (25) sets up supporting baseplate (23) with between supporting baseplate (24), the one end of connecting plate (25) with the other end of supporting baseplate (24) is connected, the other end of connecting plate (25) with the other end of supporting baseplate (23) is connected, connecting plate (25) with first supporting part (10) are connected, connecting plate (25) form link (21).
5. Beam structure according to claim 4, characterized in that the distance of separation between the supporting top plate (24) and the supporting bottom plate (23) decreases gradually in the direction of extension of the connecting end (21) to the third supporting end (22).
6. Beam structure according to claim 4,
the supporting bottom plate (23) is of a T-shaped plate structure; and/or the presence of a gas in the gas,
the supporting top plate (24) is of a T-shaped plate structure.
7. Beam structure according to claim 1, characterized in that said first support (10) comprises:
a main body part (13), the main body part (13) being connected to the second support part (20);
the first supporting plate (14) is arranged at one end of the main body part (13), the first supporting plate (14) is arranged in a mode of protruding out of the second supporting part (20), and the first supporting plate (14) is used for forming the first supporting end (11);
and the second support plate (15) is arranged at the other end of the main body part (13), the second support plate (15) is arranged by protruding out of the second support part (20), and the second support plate (15) is used for forming the second support end (12).
8. The beam structure according to claim 1,
a first sliding block is arranged on the first supporting part (10), and the first sliding block is matched with a first sliding rail of a foundation to be installed so as to enable the first sliding block to move along the extending direction of the first sliding rail; and/or the presence of a gas in the gas,
and a second sliding block is arranged on the second supporting part (20), and the second sliding block is matched with a second sliding rail of a foundation to be installed so as to enable the second sliding block to move along the extending direction of the second sliding rail.
9. A machine tool, characterized in that it comprises:
a stage (30);
a beam structure arranged on the carrier table (30), the beam structure according to any one of claims 1 to 8.
10. Machine tool according to claim 9, characterized in that said loading table (30) comprises:
a first bearing part (31), on which first bearing part (31) a first support end (11) of the beam structure is arranged;
a second bearing part (32) arranged at a distance from the first bearing part (31), the second support end (12) of the beam structure being arranged on the second bearing part (32);
a third bearing part (33), at least part of the third bearing part (33) being located between the first bearing part (31) and the second bearing part (32), a third support end (22) of the beam structure being arranged on the third bearing part (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664396.5A CN111687648A (en) | 2020-07-10 | 2020-07-10 | Crossbeam structure and have its lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664396.5A CN111687648A (en) | 2020-07-10 | 2020-07-10 | Crossbeam structure and have its lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111687648A true CN111687648A (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010664396.5A Pending CN111687648A (en) | 2020-07-10 | 2020-07-10 | Crossbeam structure and have its lathe |
Country Status (1)
| Country | Link |
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| CN (1) | CN111687648A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20110135584A (en) * | 2010-06-11 | 2011-12-19 | 주식회사 로보스타 | Girder of xy feeding device |
| US20120020753A1 (en) * | 2010-01-19 | 2012-01-26 | Deckel Maho Seebach Gmbh | Machine tool |
| CN103567461A (en) * | 2012-07-20 | 2014-02-12 | 鸿准精密模具（昆山）有限公司 | Turning device |
| CN205271419U (en) * | 2015-12-29 | 2016-06-01 | 浙江铁正机械科技有限公司 | A planer type machine tool structure |
| CN106514282A (en) * | 2016-12-28 | 2017-03-22 | 深圳市创新精艺科技有限公司 | Numerically-controlled machine tool driven by linear motors |
| CN206335365U (en) * | 2016-12-28 | 2017-07-18 | 深圳市创新精艺科技有限公司 | The Digit Control Machine Tool of linear electric motors driving |
| CN206382858U (en) * | 2016-12-28 | 2017-08-08 | 深圳市创新精艺科技有限公司 | The lathe operated steadily |
| CN212330336U (en) * | 2020-07-10 | 2021-01-12 | 珠海格力智能装备有限公司 | Crossbeam structure and have its lathe |
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2020
- 2020-07-10 CN CN202010664396.5A patent/CN111687648A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120020753A1 (en) * | 2010-01-19 | 2012-01-26 | Deckel Maho Seebach Gmbh | Machine tool |
| KR20110135584A (en) * | 2010-06-11 | 2011-12-19 | 주식회사 로보스타 | Girder of xy feeding device |
| CN103567461A (en) * | 2012-07-20 | 2014-02-12 | 鸿准精密模具（昆山）有限公司 | Turning device |
| CN205271419U (en) * | 2015-12-29 | 2016-06-01 | 浙江铁正机械科技有限公司 | A planer type machine tool structure |
| CN106514282A (en) * | 2016-12-28 | 2017-03-22 | 深圳市创新精艺科技有限公司 | Numerically-controlled machine tool driven by linear motors |
| CN206335365U (en) * | 2016-12-28 | 2017-07-18 | 深圳市创新精艺科技有限公司 | The Digit Control Machine Tool of linear electric motors driving |
| CN206382858U (en) * | 2016-12-28 | 2017-08-08 | 深圳市创新精艺科技有限公司 | The lathe operated steadily |
| CN212330336U (en) * | 2020-07-10 | 2021-01-12 | 珠海格力智能装备有限公司 | Crossbeam structure and have its lathe |
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