Gantry machine tool welding cross beam structure
Through box-type welding structure and reinforced design, the problem of insufficient weight and rigidity of the beam of traditional gantry machine tools is solved, and lightweight and high rigidity are achieved.
Patent Information
- Application Number
- CN202420443614.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-03-07
AI Technical Summary
The beams of traditional gantry machine tools are either heavy or have insufficient rigidity, so they cannot take into account both lightweight and rigidity.
The box-type welded structure is adopted, including the middle beam part in the middle and the support beam part at both ends. It is strengthened by structures such as the first reinforcement plate, the first support pipe and the second support pipe to form trapezoidal and triangular cross-sections to improve structural strength.
It effectively reduces the weight of the welded beam of the gantry machine tool, and improves its own structural strength, achieving a good balance between lightweight and stiffness.
Smart Images
Figure CN222643772U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of gantry machine tool crossbeams, in particular to a gantry machine tool welding crossbeam structure. Background Art
[0002] Gantry machine tools are large-scale machine tools. Their characteristic is that the workpiece is fixed in place during the processing, and the processing task is completed by moving the processing head, platform and other components. Because its structure is similar to a "gantry", it is named gantry machine tool. Gantry machine tools are usually used to process large workpieces or occasions that require large-area processing, such as large automobile parts, ship parts, wind power generation equipment, aerospace equipment, etc. Due to its complex structure and high price, it is usually used in high-end processing fields.
[0003] The structure of gantry machine tools is relatively complex, usually composed of main components such as beams, columns, worktables, and processing heads. Among them, the beam is the main beam of the machine tool, which is generally welded from steel plates and needs to have high stability and load-bearing capacity; the column is the main support of the machine tool, used to support the beam and worktable, and is generally made of cast iron or steel plates; the worktable is a platform on the machine tool for fixing workpieces and processing, and is generally made of cast iron or steel plates; the processing head is the main component of the machine tool for cutting or grinding workpieces.
[0004] Since the main purpose of purchasing CNC machine tools in the field of mechanical processing is to improve the processing accuracy and efficiency of machine tools, this need determines that CNC machine tools continue to develop towards high speed and high precision. There are many factors that affect the processing speed of CNC machine tools, among which the most critical is the balance between the lightweight and rigidity of the machine tool's large parts. The crossbeam of traditional gantry machine tools is either heavy or insufficiently rigid, and it is impossible to achieve a good balance between lightweight and rigidity. Utility Model Content
[0005] In order to solve the problem that the traditional cross beam of a gantry machine tool is either heavy or insufficiently rigid, and cannot achieve both lightness and good rigidity, the utility model provides a welded cross beam structure of a gantry machine tool.
[0006] The utility model is realized by the following technical solutions:
[0007] A gantry machine tool welding beam structure comprises an upright front panel, two left-right linear guide rails are installed on the front side of the front panel, upright outer panels are welded to the rear sides of both ends of the front panel, and inner panels opposite thereto are respectively welded to the inner sides of the two outer panels; the outer panels and the inner panels are in a right triangle structure; a first bottom plate is welded between the bottoms of the corresponding outer panels and inner panels, and a third back plate is welded between the rear parts; an arched middle bottom plate is welded between the bottoms of the two inner panels, an inclined first back plate and an upright second back plate are welded between the rear parts of the two inner panels, and the bottom of the second back plate is welded to the rear edge of the middle bottom plate; a plurality of left-right second support tubes are welded between the corresponding outer panels and the inner panels; a plurality of first rib plates parallel to the two inner panels are welded between the two inner panels.
[0008] Further improvements of the utility model include: the front side of the first rib plate is welded to the front panel, the lower side of the first rib plate is welded to the middle bottom plate, the lower part of the rear side of the first rib plate is welded to the second back plate, and a concave arc-shaped notch is provided on the upper part of the rear side of the first rib plate; a first support tube arranged in the concave arc-shaped notch is welded between the two inner plates.
[0009] A further improvement of the utility model is that the number of the first support tubes is two and they are in a square tube structure.
[0010] A further improvement of the utility model is that a side surface of the first support tube is arranged in close contact with the first back plate.
[0011] A further improvement of the utility model is that a second rib plate corresponding to the two linear guide rails is welded between the two inner side plates, and the second rib plate is welded to the rear side of the front panel.
[0012] A further improvement of the utility model is that the second rib plate is arranged in a horizontal direction.
[0013] A further improvement of the utility model is that the middle bottom plate comprises a third bottom plate at a middle level and second bottom plates at both sides of the third bottom plate.
[0014] A further improvement of the utility model is that a third rib plate is provided between the corresponding outer side plate and the inner side plate and is arranged parallel thereto.
[0015] A further improvement of the utility model is that the second supporting tube is a round tube structure.
[0016] A further improvement of the utility model is that the second support tube is arranged throughout the entire length, and a welding hole is provided on the third rib plate for the second support tube to pass through and be welded and fixed.
[0017] It can be seen from the above technical solutions that the beneficial effects of the utility model are:
[0018] The box-type welded structure is adopted, which is divided into the middle beam part (the part between the two outer plates) and the support beam part at both ends (corresponding to the part between the outer plate and the inner plate). The first bottom plate at the bottom of the first rib plate is used to connect and install with the machine column; the bottom of the middle beam part adopts an arch bridge structure, and the cross section is trapezoidal as a whole. The structure of the middle beam part is strengthened by the first rib plate arranged at intervals; the cross section of the support beam part is triangular as a whole, and the structure of the support beam part is strengthened by several second support tubes in the left and right directions; it effectively reduces the weight of the gantry machine tool welding beam itself, and improves its own structural strength, so as to achieve a good balance between lightweight and rigidity of the gantry machine tool welding beam. The overall structure is simple, easy to implement, and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 It is a schematic structural diagram from the first perspective of a specific implementation method of the utility model.
[0021] Figure 2 It is a schematic structural diagram of a second viewing angle of a specific implementation method of the utility model.
[0022] Figure 3 This is a schematic diagram of the first support tube connection of a specific implementation method of the utility model.
[0023] Figure 4 It is a schematic diagram of the internal structure of a specific implementation method of the utility model.
[0024] In the accompanying drawings: 1. front panel, 2. linear guide rail, 3. first bottom plate, 4. second bottom plate, 5. third bottom plate, 6. outer plate, 7. first back plate, 8. second back plate, 9. third back plate, 10. upper panel, 11. rear panel, 12. second support tube, 13. first rib plate, 14. first support tube, 15. second rib plate, 16. inner plate, 17. third rib plate. DETAILED DESCRIPTION
[0025] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.
[0026] like Figure 1-4 As shown, the utility model discloses a welded beam structure of a gantry machine tool, comprising an upright front panel 1, two left-right linear guide rails 2 are installed on the front side of the front panel 1, upright outer panels 6 are welded to the rear sides of both ends of the front panel 1, and inner panels 16 opposite thereto are welded to the inner sides of the two outer panels 6 respectively; the outer panels 6 and the inner panels 16 are in a right-angled triangle structure; a first bottom plate 3 is welded between the bottoms of the corresponding outer panels 6 and the inner panels 16, and a third back panel 9 is welded between the rear parts; an arched middle bottom plate is welded between the bottoms of the two inner panels 16, an inclined first back panel 7 and an upright second back panel 8 are welded between the rear parts of the two inner panels 16, and the bottom of the second back panel 8 is welded to the rear edge of the middle bottom plate; a plurality of left-right second support tubes 12 are welded between the corresponding outer panels 6 and the inner panels 16; a plurality of first rib plates 13 arranged parallel thereto are welded between the two inner panels 16.
[0027] The gantry machine tool welded beam structure adopts a box-type welded structure and is welded with Q345 high-quality steel plates. The machine tool load (processing head, etc.) is installed on the linear guide rail 2; it is divided into a middle beam part in the middle (the part between the two outer plates 6) and a support beam part at both ends (corresponding to the part between the outer plate 6 and the inner plate 16). The first bottom plate 3 at the bottom of the first rib plate 13 is used to connect and install with the machine tool column; the bottom of the middle beam part adopts an arch bridge structure, and the cross section is trapezoidal as a whole. The middle beam part is structurally reinforced by the first rib plate 13 arranged at intervals; the cross section of the support beam part is triangular as a whole, and the support beam part is structurally reinforced by a number of second support tubes 12 in the left and right directions; it effectively reduces the weight of the gantry machine tool welded beam itself, and improves its own structural strength, so as to achieve a good balance between lightweight and rigidity of the gantry machine tool welded beam. The overall structure is simple, easy to implement, and practical.
[0028] Among them, Figure 3-4 As shown, the first rib plate 13 is a right-angled trapezoidal structure, the front side of the first rib plate 13 is welded to the front panel 1, the lower side of the first rib plate 13 is welded to the middle bottom plate, and the lower part of the rear side of the first rib plate 13 is welded to the second back plate 8; a concave arc-shaped notch is provided at the upper part of the rear side of the first rib plate 13; and a first support tube 14 disposed in the concave arc-shaped notch is welded between the two inner side plates 16. The middle beam part is structurally reinforced by a plurality of first rib plates 13 welded therein and first support tubes 14 in the left and right directions to ensure the rigidity of the middle beam part.
[0029] Furthermore, there are two first support tubes 14 in a square tube structure. One side of the first support tube 14 is arranged in close contact with the first back plate 7. The compactness of the structure is ensured, and the first back plate 7 is effectively supported in close contact, so as to avoid the first back plate 7 from being sunken and deformed.
[0030] like Figure 2-4As shown, a second rib plate 15 corresponding to the two linear guide rails 2 is welded between the two inner side plates 16, and the second rib plate 15 is welded to the rear side of the front panel 1. The installation position of the linear guide rail 2 is reinforced and strengthened by the two second rib plates 15 to ensure the reliable stability of the processing head installed on the linear guide rail 2.
[0031] Furthermore, the second rib 15 is arranged horizontally and throughout the entire length, and a notch is provided on the front side of the first rib 13 for the second rib 15 to pass through and be welded and fixed; the rigidity of the center beam portion is improved by vertically cross-welding the horizontal second rib 15 and the vertical first rib 13.
[0032] As shown in 2 and 4, the middle bottom plate includes a third bottom plate 5 at the middle horizontal position and second bottom plates 4 at both sides of the third bottom plate 5, and the second bottom plate 4 connects the third bottom plate 5 and the first bottom plate 3. An arched structure is formed at the bottom of the center beam portion to ensure structural strength while achieving lightweight design.
[0033] Among them, Figure 3-4 As shown, a third rib plate 17 is provided between the corresponding outer plate 6 and the inner plate 16 and is arranged parallel thereto, that is, the third rib plate 17 is arranged vertically in the front-to-back direction and is in the shape of a right triangle (the same as the inner plate 16 and the outer plate 6), which effectively strengthens the structure of the support beam part.
[0034] Furthermore, the cross section of the supporting beam part is an isosceles right triangle, which ensures the stability of the structure.
[0035] Among them, Figure 3-4 As shown, the second support tube 12 is a circular tube structure. Six tubes are arranged inside the support beam part of the triangular cross section, one at each vertex position and one at each side midpoint position, to ensure good support for the support beam part and avoid deformation.
[0036] Furthermore, the second support tube 12 is arranged throughout the entire length, and a welding hole is provided on the third rib plate 17 for the second support tube 12 to penetrate and be welded and fixed, thereby ensuring reliable support of the second support tube 12 and improving the rigidity of the support beam part.
[0037] like Figure 1 As shown, the sharp angle position of the support beam part is chamfered, the top of the middle beam part is chamfered accordingly, the middle beam part and the top chamfered surface of the support beam part are covered with an upper panel 10, and the rear chamfer position of the support beam part is covered with a rear panel 11. This makes the structure more compact, avoids sharp angles, and improves safety in use.
[0038] The first back plate 7 and the third back plate 9 are arranged as a through block, that is, a whole steel plate, which ensures integrity and improves the convenience of construction.
[0039] Among them, the front panel 1, the first bottom panel 3, the second bottom panel 4, the third bottom panel 5, the outer panel 6, the first back panel 7, the second back panel 8, the third back panel 9, the upper panel 10, the rear panel 11, and the inner panel 16 have the same thickness; the first rib plate 13, the third rib plate 17, and the second rib plate 15 have the same thickness; and the former is thicker than the latter, so as to ensure the structural strength and achieve lightweight.
[0040] The gantry machine tool welded beam structure adopts a box-type welded structure and is welded with Q345 high-quality steel plates. The machine tool load (processing head, etc.) is installed on the linear guide rail 2; it is divided into a middle beam part in the middle (the part between the two outer plates 6) and a support beam part at both ends (corresponding to the part between the outer plate 6 and the inner plate 16). The first bottom plate 3 at the bottom of the first rib plate 13 is used to connect and install with the machine tool column; the bottom of the middle beam part adopts an arch bridge structure, and the cross section is trapezoidal as a whole. The middle beam part is structurally reinforced by the first rib plate 13 arranged at intervals; the cross section of the support beam part is triangular as a whole, and the support beam part is structurally reinforced by a number of second support tubes 12 in the left and right directions; it effectively reduces the weight of the gantry machine tool welded beam itself, and improves its own structural strength, so as to achieve a good balance between lightweight and rigidity of the gantry machine tool welded beam. The overall structure is simple, easy to implement, and practical.
[0041] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other.
[0042] The terms "upper", "lower", "outer side", "inner side", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish the relative relationship in position if they exist, and do not need to be qualitative. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.
[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A gantry machine tool welding beam structure, characterized in that: The invention comprises an upright front panel (1), two linear guide rails (2) in the left-right direction are installed on the front side of the front panel (1), upright outer panels (6) are welded to the rear sides of both ends of the front panel (1), and inner panels (16) opposite thereto are welded to the inner sides of the two outer panels (6); the outer panels (6) and the inner panels (16) are in a right triangle structure; a first bottom panel (3) is welded between the bottoms of the corresponding outer panels (6) and inner panels (16), and a third back panel (9) is welded between the rear parts; an arched middle bottom panel is welded between the bottoms of the two inner panels (16), an inclined first back panel (7) and an upright second back panel (8) are welded between the rear parts of the two inner panels (16), and the bottom of the second back panel (8) is welded to the rear edge of the middle bottom panel; a plurality of second support tubes (12) in the left-right direction are welded between the corresponding outer panels (6) and the inner panels (16); and a plurality of first ribs (13) arranged parallel to the inner panels (16) are welded between the two inner panels (16).
2. The gantry machine tool welding beam structure according to claim 1, characterized in that: The front side of the first rib plate (13) is welded to the front panel (1), the lower side of the first rib plate (13) is welded to the middle bottom plate, the lower rear portion of the first rib plate (13) is welded to the second back plate (8), and a concave arc-shaped notch is provided at the upper rear portion of the first rib plate (13); and a first support tube (14) disposed in the concave arc-shaped notch is welded between the two inner side plates (16).
3. The gantry machine tool welding beam structure according to claim 2, characterized in that: There are two first support tubes (14) in number and they are in a square tube structure.
4. The gantry machine tool welding beam structure according to claim 3, characterized in that: One side surface of the first support tube (14) is arranged in close contact with the first back plate (7).
5. The gantry machine tool welding beam structure according to claim 1, characterized in that: A second rib plate (15) corresponding to the two linear guide rails (2) is welded between the two inner side plates (16), and the second rib plate (15) is welded to the rear side of the front panel (1).
6. The gantry machine tool welding beam structure according to claim 5, characterized in that: The second rib plate (15) is arranged in a horizontal direction.
7. The gantry machine tool welding beam structure according to claim 1, characterized in that: The middle bottom plate comprises a third bottom plate (5) at a horizontal position in the middle and second bottom plates (4) at both sides of the third bottom plate (5).
8. The gantry machine tool welding beam structure according to claim 1, characterized in that: A third rib plate (17) arranged parallel to the corresponding outer plate (6) and inner plate (16) is provided between the outer plate (6) and the inner plate (16).
9. The gantry machine tool welding beam structure according to claim 1, characterized in that: The second support tube (12) is a circular tube structure.
10. The gantry machine tool welding beam structure according to claim 8, characterized in that: The second support tube (12) is arranged to be continuous in length, and a welding hole is provided on the third rib plate (17) for the second support tube (12) to pass through and be welded and fixed.