Fixing and supporting device for metal structure manufacturing

Abstract

The utility model provides a fixing and supporting device for metal structure manufacturing, and relates to the technical field of metal manufacturing. The fixing and supporting device comprises a supporting structure which comprises a machining groove and a plurality of supporting pieces, and the multiple supporting pieces are all arranged in the machining groove and are sequentially arranged at intervals in the same direction; the top sides of the multiple supporting pieces extend to the outer portion of a groove opening of the machining groove so as to form a machining plane used for supporting a metal workpiece to be machined. The XY motion plane of the three-axis motion platform is parallel to the machining plane, and the Z-axis motion direction of the three-axis motion platform is perpendicular to the machining plane; wherein the mounting parts of the three-axis motion platforms can move above the machining plane, and the number of the machining plane three-axis motion platforms is two, and the machining plane three-axis motion platforms are symmetrically arranged relative to the middle of the machining groove; and the workpiece fixing structure is arranged on the mounting part of the three-axis motion platform. According to the laser cutting device, the to-be-machined metal workpiece is effectively prevented from shaking and displacing in the laser cutting process, and the precision of the cutting position is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal processing technical field, specifically, relate to a fixed support device for metal structure manufacturing. BACKGROUND

[0002] Metal structure manufacturing is to take iron, steel, aluminum and other metals as main material, and through a series of processes and techniques, the metal raw materials are converted into metal components, metal component parts, building steel products and similar products with specific shape, performance and purpose. These products usually have high strength, durability and other characteristics, can be transported and are convenient to assemble, install or erect. It covers various processes such as cutting, welding, stamping, forging, casting, etc., through which metal materials are processed into various products such as metal roof, bridge structure, iron tower, metal pillar, etc., and are widely used in building, bridge, machinery manufacturing, automobile industry, aerospace and many other fields, providing key basic parts and structural parts for various industries.

[0003] As a key processing technology of metal structure manufacturing, laser cutting irradiates the material surface with high-power density laser beam, which makes it melt rapidly. At the same time, the melted material is blown away by high-pressure gas coaxial with the laser beam, and the relative movement of the laser beam and the material forms a predetermined shape of the cutting seam. In actual cutting operation, the metal workpiece to be processed is placed on the workbench, and the cutting operation is carried out by the laser head.

[0004] However, in the metal workpiece cutting link of the prior art, the workpiece is not fixed, which exposes a series of problems. On the one hand, the workpiece is prone to displacement during cutting, which makes it difficult to guarantee the cutting position accuracy, and the shape of the cut product does not match the design drawing, directly affecting the product quality. On the other hand, under the impact of the laser beam, the unfixed workpiece will shake or vibrate, which not only makes the cutting surface rough and reduces the cutting quality, but also may cause the cutting head and the workpiece to collide, damaging the cutting head and other equipment parts. In addition, the instability of the workpiece will cause uneven distribution of laser energy during cutting, resulting in local overheating or overcooling, which seriously affects the cutting effect, greatly increases the workpiece scrap rate, significantly increases the production cost and prolongs the processing time. SUMMARY

[0005] The utility model aims at providing a fixed support device for metal structure manufacturing, which aims to solve the technical problems in the above background technology.

[0006] The embodiment of the utility model is implemented as follows:

[0007] The embodiment of the present application provides a fixed supporting device for metal structure manufacturing, which comprises a supporting structure, a plurality of supporting pieces and a three-axis movement platform.

[0008] Further, based on the foregoing scheme, the machining groove is provided with a drainage hole, and the drainage hole is provided with a valve.

[0009] Further, based on the foregoing scheme, the supporting pieces are all in strip-shaped structures, and the top side of each supporting piece is provided with a sawtooth groove along the extending direction thereof.

[0010] Further, based on the foregoing scheme, the mounting part of the three-axis movement platform is rotationally provided with a connecting column, and the workpiece fixing structure is arranged on the connecting column.

[0011] The rotating plane of the connecting column is perpendicular to the machining plane.

[0012] Further, based on the foregoing scheme, the mounting part is a concave piece, one end of the connecting column is connected with the workpiece fixing structure, the other end of the connecting column extends into the inner space of the concave piece and rotationally cooperates with the concave piece.

[0013] The mounting part is provided with a first driving motor for driving the connecting column to rotate.

[0014] Further, based on the foregoing scheme, the workpiece fixing structure comprises a pneumatic clamping jaw and a vacuum suction cup, and the mounting part is used for detachable cooperation with any one of the pneumatic clamping jaw and the vacuum suction cup.

[0015] Further, based on the foregoing scheme, the workpiece fixing structure is detachably connected with the connecting column through bolts.

[0016] Further, based on the foregoing scheme, the connecting column is provided with a first connecting plate, the workpiece fixing structure is provided with a second connecting plate which is butted with the first connecting plate, and the first connecting plate and the second connecting plate are connected through the bolts.

[0017] The number of the bolts is multiple.

[0018] Further, based on the foregoing scheme, the three-axis motion platform comprises the X-axis motion structure, the Y-axis motion structure and the Z-axis motion structure which cooperate with each other, the X-axis motion structure is a ball screw, and the Y-axis motion structure and the Z-axis motion structure are both air cylinders.

[0019] Compared with the prior art, the embodiments of the utility model have at least the following advantages or beneficial effects:

[0020] The fixed support device of the present application can effectively avoid the shaking and displacement of the metal workpiece during the laser cutting process, greatly improve the cutting position accuracy, and ensure that the cutting shape conforms to the design drawing. At the same time, the flatness of the cutting surface is guaranteed, the risk of collision between the cutting head and the workpiece is reduced, the cutting defects caused by uneven distribution of laser energy are reduced, and the workpiece rejection rate is reduced. In addition, since the two three-axis motion platforms can be independently controlled, no matter what position the metal workpiece to be processed is in the machining plane, accurate positioning can be quickly realized, and the applicability and flexibility of the device are significantly enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 For the fixed support device for metal structure manufacturing of the embodiments of the present application Figure One ;

[0023] Figure 2 For the fixed support device for metal structure manufacturing of the embodiments of the present application Figure Two ;

[0024] Figure 3 For the fixed support device for metal structure manufacturing of the embodiments of the present application

[0025] Figure 4 For the fixed support device for metal structure manufacturing of the embodiments of the present application

[0026] Figure 5 For Figure 1A local enlarged view of the middle A;

[0027] Figure 6 For Figure 2 A local enlarged view of the middle B.

[0028] Figure: 1- machining groove, 2- support, 3- valve, 4- three-axis motion platform, 401- base, 402- nut, 403- screw, 404- second drive motor, 5- vacuum chuck, 6- pneumatic clamping jaw, 7- first drive motor, 8- mounting part, 9- connecting column, 10- first connecting plate, 11- second connecting plate. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0030] Embodiments

[0031] Please refer to Figures 1-6 , the embodiments of the present application provide a kind of fixed support device for metal structure manufacturing, comprising: support structure, including machining groove 1 and multiple support 2, multiple above-mentioned support 2 are all arranged in above-mentioned machining groove 1, and are sequentially spaced along the same direction;Wherein, the top side of multiple above-mentioned support 2 all extends to the outside of the slot of above-mentioned machining groove 1, to form the machining plane for supporting the metal workpiece to be processed;Three-axis motion platform 4, XY motion plane is parallel to above-mentioned machining plane, and Z-axis motion direction is perpendicular to above-mentioned machining plane;Wherein, the mounting part 8 of above-mentioned three-axis motion platform 4 can be moved above above-mentioned machining plane, the number of above-mentioned three-axis motion platform 4 on above-mentioned machining plane is two, and about the middle part of above-mentioned machining groove 1 is symmetrically arranged;And workpiece fixing structure, it is arranged on the mounting part 8 of above-mentioned three-axis motion platform 4.

[0032] The fixed support device of the application is in actual application, after being placed in the machining plane at any position of the metal workpiece to be processed, by independent control two three-axis motion platforms 4, let the workpiece fixing structure on mounting part 8 move to the metal workpiece to be processed.When the workpiece fixing structure on both sides and the two sides of the metal workpiece to be processed are connected, immediately lock positioning, realize the bidirectional stable clamping of workpiece.This effectively avoids the metal workpiece to be processed to appear in the process of laser cutting and displacement, greatly improves the precision of cutting position, ensures that cutting shape is consistent with design drawing.At the same time, the flatness of cutting surface is guaranteed, reduces the risk of collision between cutting head and workpiece, reduces the cutting defects caused by uneven distribution of laser energy, reduces the workpiece rejection rate.In addition, since two three-axis motion platforms 4 can be independently controlled, no matter what position the metal workpiece to be processed is in machining plane, accurate positioning can be realized quickly, the applicability and flexibility of the device are significantly enhanced.

[0033] As a preferred embodiment, the machining tank 1 is provided with a drain hole, and the drain hole is provided with a valve 3.

[0034] In the above embodiment, the machining tank 1 can store water during actual machining, which can optimize the cutting operation from the aspects of cooling, dust reduction and slag removal. The design of the valve 3 facilitates water replacement.

[0035] As a preferred embodiment, the support 2 is in a strip-shaped structure, and the top side of the support 2 is provided with a sawtooth groove along the extension direction thereof.

[0036] In the above embodiment, the design of the sawtooth groove makes the contact area between the support 2 and the metal workpiece to be machined smaller, so that the metal workpiece to be machined is easier to dissipate heat.

[0037] Optionally, the bottom side of the support 2 is provided with a through hole, which facilitates the circulation of water.

[0038] As a preferred embodiment, the mounting portion 8 of the three-axis motion platform 4 is rotatably provided with a connecting column 9, and the workpiece fixing structure is arranged on the connecting column 9.

[0039] The rotation plane of the connecting column 9 is perpendicular to the machining plane.

[0040] In the above embodiment, when positioning the metal workpiece to be machined, the connecting column 9 can be flexibly rotated to adjust the angle of the workpiece fixing structure, so that it better fits workpieces of different shapes and sizes, greatly improves the positioning accuracy, ensures that workpieces of various complex shapes can be firmly fixed during laser cutting, prevents shaking and displacement, and improves machining precision. In addition, this design can also effectively avoid the collision between the cutting head and the fixing structure due to unreasonable angle of the fixing structure, reduce equipment failure rate, prolong equipment service life, and reduce maintenance cost.

[0041] As a preferred embodiment, the mounting portion 8 is a concave member, one end of the connecting column 9 is connected with the workpiece fixing structure, and the other end extends into the inner space of the concave member and is rotatably connected with the concave member.

[0042] The mounting portion 8 is provided with a first driving motor 7 for driving the connecting column 9 to rotate.

[0043] In the above embodiment, the concave structure provides a stable and reliable mounting space for the connecting column 9, one end of which is connected to the workpiece fixing structure, and the other end rotates in the inner space of the concave part. This design greatly enhances the stability of the connection, reduces the risk of displacement caused by vibration during laser cutting, and ensures processing accuracy. The application of the first driving motor 7 realizes the automatic control of the rotation of the connecting column 9. The operator can accurately adjust the rotation angle of the connecting column 9 through the control system, so that the workpiece fixing structure quickly adapts to workpieces of different shapes and sizes. Compared with manual adjustment, not only is the operation more convenient, but also the positioning time is greatly shortened, and the processing efficiency is significantly improved.

[0044] As a preferred embodiment, the workpiece fixing structure includes a pneumatic clamp jaw 6 and a vacuum chuck 5, and the mounting part 8 is used for detachable cooperation with any one of the pneumatic clamp jaw 6 and the vacuum chuck 5.

[0045] In the above embodiment, the workpiece fixing structure is designed to include a pneumatic clamp jaw 6 and a vacuum chuck 5, and the mounting part 8 can be detachably cooperated with both. This greatly enhances the flexibility and adaptability of metal processing. The pneumatic clamp jaw 6 has large clamping force and is suitable for regular-shaped and hard-textured metal workpieces. When processing such workpieces, the pneumatic clamp jaw 6 is quickly installed in place through the mounting part 8, and its strong clamping force can firmly fix the workpiece, ensuring that the workpiece will not shift or shake during cutting, and ensuring processing accuracy. The vacuum chuck 5 works on the basis of vacuum adsorption and is suitable for smooth-surfaced, soft-textured or high-surface-quality metal workpieces, avoiding leaving clamping marks on the workpiece surface. When such workpieces are encountered, the vacuum chuck 5 can be quickly replaced and installed through the mounting part 8 to achieve stable fixation. In addition, this detachable cooperation allows the operator to quickly switch the fixing method according to actual processing needs, without spending a lot of time reconfiguring the equipment, effectively improving processing efficiency, reducing production costs, and meeting diverse processing needs.

[0046] As a preferred embodiment, the workpiece fixing structure is detachably connected to the connecting column 9 through a bolt.

[0047] In the above embodiment, the bolt connection method is low in cost and easy to operate, and workers can complete the connection and disassembly work with simple tools, and the connection strength is high, which can ensure that the workpiece fixing structure and the connecting column 9 are stably connected during laser cutting, can withstand the impact force generated during cutting, and can ensure the safety and reliability of the processing process.

[0048] As a preferred embodiment, the connecting column 9 is provided with a first connecting plate 10, the workpiece fixing structure is provided with a second connecting plate 11 that is butt-jointed with the first connecting plate 10, and the first connecting plate 10 and the second connecting plate 11 are connected through the bolt.

[0049] Wherein, the number of the bolts is multiple.

[0050] In the above embodiment, the multiple bolt connections increase the force area of the connection points, evenly disperse the impact force generated during the laser cutting process, and ensure that the first connecting plate 10 and the second connecting plate 11 are tightly attached during high-frequency vibration and heavy load operation, preventing the workpiece fixing structure from loosening and displacement, and greatly improving the machining precision. At the same time, with the help of the first connecting plate 10 and the second connecting plate 11, the installation and disassembly operation of the workpiece fixing structure is more convenient. When the processing task changes or the fixing structure needs to be maintained, the worker only needs to remove the bolts to quickly complete the replacement or repair work, effectively shortening the equipment debugging and maintenance time, and improving the production efficiency.

[0051] As a preferred embodiment, the three-axis motion platform 4 includes an X-axis motion structure, a Y-axis motion structure, and a Z-axis motion structure that cooperate with each other. The X-axis motion structure is a ball screw, and the Y-axis motion structure and the Z-axis motion structure are both air cylinders.

[0052] In the above embodiment, the ball screw has the characteristics of high precision and high transmission efficiency, realizes accurate positioning and smooth movement in the X-axis direction, ensures the movement precision of the cutting head in the horizontal direction, meets the high-precision cutting requirements, and reduces the scrap rate. The air cylinder has the advantages of fast response speed and large output force, and the Y-axis and Z-axis are driven by air cylinders, which can quickly complete position adjustment, greatly shorten the positioning time in the processing process, and improve the overall processing efficiency. In addition, the air cylinder structure is relatively simple, the manufacturing cost is low, and the later maintenance and maintenance are more convenient, which can effectively reduce the maintenance cost and downtime of the equipment, and ensure the production continuity. In actual operation, the ball screw and the air cylinder work together, play their respective advantages, meet the needs of different processing scenes, make the three-axis motion platform 4 not only ensure the processing precision, but also improve the work efficiency, and at the same time reduce the operating cost.

[0053] Specifically, the ball screw structure includes a base 401, the base 401 is rotatably provided with a screw rod 403, the screw rod 403 is provided with a nut 402, the nut 402 is movably arranged on the screw rod 403, and the nut 402 and the screw rod 403 are provided with balls therebetween. The base 401 is provided with a second driving motor 404 for driving the screw rod 403 to rotate.

[0054] In addition, unless specifically stated or limited otherwise, in the embodiments of the present application, if the terms "mount", "connect" appear, it should be understood as a broad meaning, for example, "connect" can be detachable connection, can also be non-detachable connection; can be direct connection, can also be indirect connection through intermediate medium. If the terms "upper", "lower", "left", "right", "inner", "outer", "side" and other orientation terms appear, only refer to the direction of the drawing or the orientation of the product when it is used, only for the purpose of clearly describing the present application, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as a limitation on the present application. The terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance; "a plurality of" means at least two. In the embodiments of the present application, the relative positional relationship limitations mentioned, such as parallel, perpendicular, aligned and the like, are relative to the current process level, and are not strictly limited, and a small amount of deviation is allowed, such as approximately parallel, approximately perpendicular, approximately aligned and the like. For example, A is parallel to B, which means that A and B are parallel or approximately parallel, and the included angle between A and B can be between 0 degrees and 10 degrees.

[0055] The above is only some embodiments and implementations of the present application, and the protection scope of the present application is not limited thereto. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other, and any combination of features in different embodiments is also within the protection scope of the present application. Any changes or replacements that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered within the protection scope of the present application.

Claims

1. A fixing support device for manufacturing metal structures, characterized in that, The utility model relates to a kind of metal workpiece processing device, including: Support structure, including processing groove (1) and multiple support (2), multiple the support (2) are arranged in the processing groove (1), and sequentially spaced along the same direction; Wherein, the top side of multiple the support (2) extends to the slot mouth outside the processing groove (1), to form the processing plane for supporting the metal workpiece to be processed; Three-axis motion platform (4), its XY motion plane is parallel to the processing plane, and Z-axis motion direction is perpendicular to the processing plane; Wherein, the mounting portion (8) of the three-axis motion platform (4) can be moved above the processing plane, the number of the three-axis motion platform (4) is two, and symmetrically arranged about the middle part of the processing groove (1);And Workpiece fixing structure, which is arranged on the mounting portion (8) of the three-axis motion platform (4).

2. The fixing support device for metal structure manufacturing according to claim 1, characterized in that, The processing groove (1) is provided with a drain hole, and the drain hole is provided with a valve (3).

3. The fixing support device for metal structure manufacturing according to claim 1, characterized in that, The support (2) is a strip-shaped structure, and the top side of the support (2) is provided with a sawtooth groove along the extension direction thereof.

4. The fixing support device for metal structure manufacturing according to claim 1, characterized in that, The mounting portion (8) of the three-axis motion platform (4) is rotatably provided with a connecting column (9), and the workpiece fixing structure is arranged on the connecting column (9). Wherein, the rotating plane of the connecting column (9) is perpendicular to the processing plane.

5. The fixing support device for metal structure manufacturing according to claim 4, characterized in that, The mounting portion (8) is a concave member, one end of the connecting column (9) is connected to the workpiece fixing structure, the other end extends into the inside space of the concave member, and is rotatably connected with the concave member. Wherein, the mounting portion (8) is provided with a first driving motor (7) for driving the connecting column (9) to rotate.

6. The fixing support device for metal structure manufacturing according to claim 5, wherein The workpiece fixing structure includes a pneumatic clamp jaw (6) and a vacuum chuck (5), and the mounting portion (8) is detachably connected with any one of the pneumatic clamp jaw (6) and the vacuum chuck (5).

7. The fixing support device for metal structure manufacturing according to claim 6, wherein The workpiece fixing structure and the connecting column (9) are detachably connected by bolts.

8. The fixing support device for metal structure manufacturing according to claim 7, characterized in that, The connecting column (9) is provided with a first connecting plate (10), and the workpiece fixing structure is provided with a second connecting plate (11) abutting against the first connecting plate (10), and the first connecting plate (10) and the second connecting plate (11) are connected by the bolts. Wherein, the number of the bolts is multiple.

9. The fixing support device for metal structure manufacturing according to claim 1, characterized in that, The three-axis motion platform (4) includes X-axis motion structure, Y-axis motion structure and Z-axis motion structure matched with each other, the X-axis motion structure is a ball screw, and the Y-axis motion structure and the Z-axis motion structure are both air cylinders.

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