A gantry machining center crossbeam

Abstract

The utility model relates to gantry machining center technical field discloses a gantry machining center crossbeam, including main part assembly, including frame, be provided with crossbeam frame on the frame, the fixed crossbeam of crossbeam frame, the through hole that is seted up on the crossbeam, the auxiliary assembly is located in the crossbeam, including reinforcing part, the reinforcing part includes the arc plate fixed in the crossbeam, the first pulley is slidably arranged on the arc plate. The utility model has the beneficial effect that: crossbeam sets up multiple honeycomb shape through slot, guarantees the whole strength of crossbeam while, the weight of crossbeam is greatly reduced, the arc support plate is arranged in the crossbeam, through setting the reinforcing support subassembly that can trigger, when the processing mechanism approaches the middle position of crossbeam, can automatically respond and exert corresponding upward thrust to the arc support plate, the thrust can be dynamically adjusted according to the position of processing mechanism, so as to offset the downward pulling force of processing mechanism to crossbeam, reduce the bending deformation of crossbeam middle part.

Description

Technical Field

[0001] This utility model relates to the technical field of gantry machining centers, and in particular to a crossbeam for a gantry machining center. Background Technology

[0002] In the field of modern machining, gantry machining centers are widely used in aerospace, automotive manufacturing, mold processing, and other industries due to their high precision and long stroke. The crossbeam, as the core load-bearing component of the gantry machining center, directly affects machining accuracy and equipment stability. The crossbeam of a gantry machining center is protected by multiple sets of diagonal tie rods to ensure its rigidity. However, different machining processes correspond to different machining mechanisms, and the weight differences between these mechanisms are significant. Traditional crossbeams are difficult to adapt to different loads. During operation, the machining mechanism often moves to the middle position of the crossbeam. At this time, the concentrated load applied to the crossbeam by the machining mechanism causes large bending deformation in the middle of the crossbeam. Under long-term alternating stress, the crossbeam is prone to fatigue cracks, seriously affecting its service life. Frequent maintenance and replacement further increase production costs. Utility Model Content

[0003] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0004] In view of the problems existing in the crossbeams of the above-mentioned and / or existing gantry machining centers, this utility model is proposed.

[0005] Therefore, the problem that this utility model aims to solve is that the crossbeam of the gantry machining center is bent and deformed due to the downward pressure applied by the machining mechanism of different weights when it moves to the middle position, which in turn affects the service life of the crossbeam.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a crossbeam of a gantry machining center, comprising a main body component including a frame, a crossbeam frame provided on the frame, a crossbeam fixed on the crossbeam frame, and a through hole provided on the crossbeam; An auxiliary component, located within the crossbeam, includes a reinforcing member. The reinforcing member includes an arc-shaped plate fixed within the crossbeam. A first pulley is slidably disposed on the arc-shaped plate. A cylinder is rotatably connected to the first pulley. A sliding frame is fixed on the arc-shaped plate. The cylinder slides within the sliding frame. A connecting plate is fixed to one side of the cylinder. A connecting block is fixed to the bottom of the connecting plate. A mating block is disposed on one side of the connecting block. A second pulley is disposed at the bottom of the mating block. The auxiliary component includes a tensioning element, a steel wire rope is installed inside the crossbeam, a winding wheel is fixed to one end of the steel wire rope, a hydraulic cylinder is fixed to one end of the crossbeam, a piston is installed inside the hydraulic cylinder, and the other end of the steel wire rope is fixed to the piston.

[0007] As a preferred embodiment of the crossbeam of the gantry machining center of this utility model, the bottom of the connecting block is fixed with a threaded column, the top bearing of the mating block is connected to a rotating sleeve, and the threaded column is threadedly connected to the inner wall of the rotating sleeve.

[0008] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, the auxiliary component further includes an adjusting component located on one side of the crossbeam. The adjusting component includes a rotating shaft fixed to the winding wheel, a worm gear fixed on the rotating shaft, a worm below the worm gear, one side of the worm being connected to the crossbeam bearing, a support plate being fitted over the worm, and the support plate being fixed to the crossbeam.

[0009] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, the bearings on both sides of the rotating shaft are connected to support blocks, and the support blocks are fixed on the crossbeam.

[0010] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, the auxiliary component further includes a moving part located on one side of the arc plate, including a motor fixed to the inner wall of the crossbeam, a rotating column connected to one side of the motor, a spiral groove opened on the rotating column, a sliding frame fixed to one side of the connecting block, and a slider sleeved on the rotating column, the slider being slidable within the sliding frame.

[0011] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, a locking block is fixed on the slider, and the locking block slides within the spiral groove.

[0012] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, an auxiliary block is fixed on the mating block, a moving groove is provided in the auxiliary block, a locking block is slidably arranged in the moving groove, a locking groove is provided on the rotating sleeve, a spring is fixed on one side of the locking block, and the other end of the spring is fixed in the moving groove.

[0013] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, the number of locking slots is multiple.

[0014] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, a pull plate is fixed on one side of the locking block.

[0015] As a preferred embodiment of the crossbeam of the gantry machining center described in this utility model, the inner wall of the crossbeam is provided with guide wheels, and the number of guide wheels is two.

[0016] The beneficial effects of this utility model are as follows: the crossbeam is provided with multiple honeycomb-shaped through slots, which greatly reduces the weight of the crossbeam while ensuring the overall strength of the crossbeam. The crossbeam is provided with an arc-shaped support plate. By setting a triggerable reinforcing support component, when the processing mechanism approaches the middle position of the crossbeam, it can automatically sense and apply a corresponding upward thrust to the arc-shaped support plate. This thrust can be dynamically adjusted according to the position of the processing mechanism, thereby offsetting the downward pull of the processing mechanism on the crossbeam and reducing the bending deformation of the middle part of the crossbeam. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them: Figure 1 This is an overall structural diagram of the crossbeam of a gantry machining center.

[0018] Figure 2 This is a structural diagram of the crossbeam of a gantry machining center.

[0019] Figure 3 This is a cross-sectional view of the crossbeam structure of a gantry machining center.

[0020] Figure 4 For the crossbeam of the gantry machining center Figure 3 Enlarged view of the structure at point A in the middle.

[0021] Figure 5 For the crossbeam of the gantry machining center Figure 3 Enlarged view of the structure at point B in the middle.

[0022] Figure 6 For the crossbeam of the gantry machining center Figure 3 Enlarged view of the structure at point C.

[0023] Figure 7 This is a structural diagram of the sliding frame of the crossbeam of a gantry machining center.

[0024] Figure 8 This is a structural diagram of the winding wheel of the crossbeam in a gantry machining center.

[0025] Figure 9 This is a cross-sectional view of the hydraulic cylinder structure of the crossbeam of a gantry machining center.

[0026] Figure 10This is a cross-sectional view of the clamping block structure of the crossbeam of a gantry machining center.

[0027] Figure 11 This is a cross-sectional view of the locking block of the crossbeam in a gantry machining center. Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0031] Example 1 Reference Figures 1-9 This is the first embodiment of the present invention, which provides a crossbeam for a gantry machining center. The crossbeam includes a main component 100, a frame 101, a crossbeam frame 102 mounted on the frame 101, and a crossbeam 103 fixed on the crossbeam frame 102. The crossbeam 103 has through holes of varying sizes, but large enough for a hand to pass through. The crossbeam 103 is generally rectangular, and except for the upper surface, it is integrally formed. The upper surface is subsequently welded to the rest of the components. There are multiple through holes forming a honeycomb structure. The crossbeam 103 is hollow inside, but also contains several honeycomb plate-like structures. The strength of the honeycomb structure is greater than that of the diagonal braces, thereby increasing the strength of the crossbeam 103. Figure 3 The honeycomb structure of the crossbeam 103 is hidden.

[0032] A processing mechanism 104 slides on one side of the crossbeam 103. When processing, the processing mechanism 104 needs to move to the vicinity of the center position of the crossbeam 103. When not in working state, the processing mechanism 104 is located near the edge of the crossbeam 103. The center position of the crossbeam 103 is usually more prone to breakage than the two ends.

[0033] The auxiliary component 200, located inside the crossbeam 103, includes a reinforcing member 201. The reinforcing member 201 is configured to enhance the supporting force on the middle of the crossbeam 103 when the processing mechanism 104 moves toward the middle of the crossbeam 103, thereby reducing the impact of the gravity of the processing mechanism 104 on the middle part of the crossbeam 103 and reducing the bending deformation in the middle.

[0034] The reinforcing member 201 includes an arc-shaped plate 2011 fixed inside the crossbeam 103. A diagonal rod 2019 is fixed to the bottom of the arc-shaped plate 2011, and the other end of the diagonal rod 2019 is fixed to the inner wall of the crossbeam 103. The diagonal rod 2019 strengthens the support of the arc-shaped plate 2011, and the arc-shaped plate 2011 enhances the strength of the crossbeam 103. A first pulley 2012 is slidably mounted on the arc-shaped plate 2011, and a cylinder 2013 is rotatably connected to the first pulley 2012. A sliding frame 2014 is fixed on the plate 2011. A cylinder 2013 slides inside the sliding frame 2014. There are two sets of cylinders 2013 and sliding frames 2014. Through their cooperation, the first pulley 2012 can slide on the arc plate 2011. The arc plate 2011 has a groove corresponding to the first pulley 2012. The groove is located at a position close to one-third of the middle of the arc plate 2011, symmetrical about the middle position of the crossbeam 103.

[0035] A connecting plate 2015 is fixed to one side of the cylinder 2013. A connecting block 2016 is fixed to the bottom of the connecting plate 2015. The movement of the connecting block 2016 can drive the connecting plate 2015 to move, thereby causing the cylinder 2013 to move, which in turn drives the first pulley 2012 to slide on the arc plate 2011. A mating block 2017 is provided on one side of the connecting block 2016. The movement of the mating block 2017 is synchronized with the movement of the connecting block 2016. A second pulley 2018 is provided at the bottom of the mating block 2017.

[0036] The auxiliary component 200 includes a tensioning element 202 located on one side of the crossbeam 103. The tensioning element 202 includes a steel wire rope 2021 located inside the crossbeam 103. One end of the steel wire rope 2021 is fixed to a winding pulley 2022, which is located on one side of the crossbeam 103. A hydraulic cylinder 2023 is fixed to one end of the crossbeam 103. A piston 2023-1 is provided inside the hydraulic cylinder 2023. The other end of the steel wire rope 2021 is fixed to the piston 2023-1. 21 passes through the second pulley 2018, so that when the wire rope 2021 is in a taut state, the wire rope 2021 can apply an upward thrust to the second pulley 2018, and transmit it through the mating block 2017 to the connecting block 2016, the connecting plate 2015, the cylinder 2013 and the first pulley 2012, and finally to the arc plate 2011, so that the arc plate 2011 receives an upward thrust, thereby offsetting the downward gravity of the processing mechanism 104 to a certain extent.

[0037] The hydraulic cylinder 2023 mainly consists of cylinder barrel 2023-2, piston 2023-1, and pressure oil 2023-3. This is existing technology and will not be elaborated upon in this solution. In the initial state, the pressure oil 2023-3 is located on the side of cylinder barrel 2023-2 close to the crossbeam 103. At this time, the piston 2023-1 is relatively far from the crossbeam 103. When the winding wheel 2022 stops rotating, the processing mechanism 104 moves from one side of the crossbeam 103 towards the middle. When the connecting block 2016 moves towards the middle simultaneously, only the gradual elongation of the wire rope 2021 can maintain stability. To ensure the smooth movement of the connecting block 2016, the wire rope 2021 tends to elongate. Since one end of the wire rope 2021 is fixed to the winding wheel 2022, the wire rope 2021 will exert a pulling force on the piston 2023-1, causing the piston 2023-1 to move closer to the crossbeam 103. The pressure oil 2023-3 is compressed, which applies a reverse pulling force to the wire rope 2021, thereby causing the wire rope 2021 to exert a greater upward thrust on the second pulley 2018, thus increasing the support force on the arc plate 2011.

[0038] When the processing mechanism 104 moves from the center of the crossbeam 103 to the end, the wire rope 2021 will gradually unload, the pressure oil 2023-3 will be restored, and the piston 2023-1 will gradually reset, thus returning to the initial state. At this time, the supporting force on the arc plate 2011 will gradually decrease to the initial value.

[0039] Example 2 Reference Figures 3-10 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0040] Specifically, a threaded post 2024 is fixed at the bottom of the connecting block 2016, and a rotating sleeve 2025 is connected to the top bearing of the mating block 2017. The threaded post 2024 is threadedly connected to the inner wall of the rotating sleeve 2025. By setting the threaded post 2024 and the rotating sleeve 2025, when the rotating sleeve 2025 is rotated, the threaded post 2024 will move along the axial direction of the rotating sleeve 2025 under the engagement of the threads, thereby changing the relative position of the connecting block 2016 and the mating block 2017, thus adapting to processing mechanisms 104 of different weights. The greater the weight of the processing mechanism 104, the greater the distance between the connecting block 2016 and the mating block 2017 can be adjusted.

[0041] Specifically, the auxiliary component 200 also includes an adjusting member 203 located on one side of the crossbeam 103, used to initially adjust the tension of the wire rope 2021 and ensure that a section of the wire rope 2021 can remain fixed.

[0042] The adjusting component 203 includes a rotating shaft 2031 fixed on the winding reel 2022. A worm gear 2032 is fixed on the rotating shaft 2031. The rotation of the worm gear 2032, the winding reel 2022, and the rotating shaft 2031 is synchronized. A worm 2033 is provided below the worm gear 2032. The worm 2033 meshes with the worm gear 2032. Rotating the worm 2033 will drive the worm gear 2032 to rotate, which in turn will drive the winding reel 2022 to rotate, thereby tensioning the wire rope 2021. This ensures that the wire rope 2021 is already tensioned when it is installed, and can apply a certain upward thrust to the second pulley 2018.

[0043] The worm gear 2032 and worm 2033 have self-locking properties, thus ensuring that one end of the wire rope 2021 is fixed when the worm 2033 is not rotated. One end of the worm 2033 is fixed with a handle, which makes it easy to rotate the worm 2033.

[0044] One side of the worm gear 2033 is connected to the bearing of the crossbeam 103. The worm gear 2033 is fitted with a support plate 2034, which is connected to the support plate 2034 through the bearing. The support plate 2034 is L-shaped and is fixed to the crossbeam 103 to support and position the worm gear 2033.

[0045] Specifically, the bearings on both sides of the rotating shaft 2031 are connected to support blocks 2035, which are fixed to the crossbeam 103. The support blocks 2035 are used to support and position the rotating shaft 2031.

[0046] Specifically, the auxiliary component 200 also includes a moving part 204, which is used to move the processing mechanism 104 to a designated position before the connecting block 2016 moves synchronously.

[0047] The moving part 204 is located on one side of the arc plate 2011 and includes a motor 2041 fixed to the inner wall of the crossbeam 103. The start of the processing mechanism 104 is controlled by the central control platform. The position data of the processing mechanism 104 is also transmitted to the central control platform synchronously. The central control platform can control the start of the motor 2041. The processing mechanism 104 moves from one end of the crossbeam 103 to the middle. When the processing mechanism 104 enters the middle one-third position of the crossbeam 103, the central control platform receives a signal and then starts the motor 2041. This is the prior art, and this solution will not be described in detail. Moreover, those skilled in the art can clearly understand the working principle.

[0048] A rotating column 2042 is connected to one side of the motor 2041. A spiral groove 2042-1 is opened on the rotating column 2042. A sliding frame 2043 is fixed to one side of the connecting block 2016. A slider 2044 is sleeved on the rotating column 2042. The slider 2044 can slide in the sliding frame 2043. The sliding frame 2043 is used to restrict the slider 2044 from rotating and can move synchronously with the connecting block 2016. The movement trajectory of the connecting block 2016 is an arc. The slider 2044 can move up and down relative to the connecting block 2016, so that the slider 2044 can maintain horizontal movement.

[0049] Example 3 Reference Figures 3-11 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0050] Specifically, a locking block 2045 is fixed on the slider 2044, and the locking block 2045 slides within the spiral groove 2042-1.

[0051] When the processing mechanism 104 enters the middle third position of the crossbeam 103, the central control platform receives a signal and starts the motor 2041, which drives the rotating column 2042 to rotate. The locking block 2045 slides along the spiral groove 2042-1, thereby causing the slider 2044 to move along the axial direction of the rotating column 2042. At this time, the movement of the slider 2044 is synchronized with the movement of the processing mechanism 104, thereby causing the connecting block 2016 to move. When the processing mechanism 104 moves in the opposite direction, the hollow platform will control the motor 2041 to rotate in the opposite direction, thereby driving the connecting block 2016 to move in the opposite direction.

[0052] Specifically, an auxiliary block 2026 is fixed on the mating block 2017. A moving groove 2026-1 is provided in the auxiliary block 2026. A locking block 2027 with a rectangular shape is slidably arranged in the moving groove 2026-1. A locking groove 2025-1 is provided on the rotating sleeve 2025. The locking block 2027 can engage with the locking groove 2025-1. When the two are engaged, the rotation of the rotating sleeve 2025 will be restricted. This prevents the rotating sleeve 2025 from rotating accidentally when the connecting block 2016 moves the connecting block 2016 and the mating block 2017, thereby changing the relative position between the connecting block 2016 and the mating block 2017 and affecting the support of the arc plate 2011.

[0053] A spring 2028 is fixed on one side of the locking block 2027, and the other end of the spring 2028 is fixed in the moving groove 2026-1. The spring 2028 applies a continuous pushing force to the locking block 2027 to ensure that the locking block 2027 can engage with the locking groove 2025-1.

[0054] Specifically, there are multiple locking slots 2025-1.

[0055] Specifically, a pull plate 2029 is fixed to one side of the locking block 2027. The pull plate 2029 is used to release the locking block 2027 from the locking groove 2025-1. When it is necessary to rotate the rotating sleeve 2025 to change the distance between the connecting block 2016 and the mating block 2017, the pull plate 2029 is pulled, which compresses the spring 2028. The locking block 2027 moves away from the locking block 2027 and eventually completely separates from the locking block 2027. At this time, the limit of the rotating sleeve 2025 is unlocked and it can rotate.

[0056] Workers can reach their hands into the crossbeam 103 through the through holes, thereby pulling the pull plate 2029 and rotating the rotating sleeve 2025.

[0057] Specifically, the inner wall of the crossbeam 103 is provided with guide wheels 20210. There are two guide wheels 20210. The guide wheels 20210 are provided to guide the wire rope 2021 so that the wire rope 2021 can contact the winding wheel 2022 and the hydraulic cylinder 2023 in a horizontal state.

[0058] When using, The processing mechanism 104 moves from one side of the crossbeam 103 toward the middle. After the processing mechanism 104 enters the middle third position of the crossbeam 103, the central control platform receives a signal and starts the motor 2041, which drives the rotating column 2042 to rotate. The locking block 2045 slides along the spiral groove 2042-1, thereby causing the slider 2044 to move along the axial direction of the rotating column 2042. At this time, the movement of the slider 2044 is synchronized with the movement of the processing mechanism 104, thereby causing the connecting block 2016 to move.

[0059] When the connecting block 2016 moves synchronously towards the center, only the gradual elongation of the wire rope 2021 can ensure that the connecting block 2016 can move smoothly. Therefore, the wire rope 2021 has a tendency to elongate. Since one end of the wire rope 2021 is fixed to the winding wheel 2022, the wire rope 2021 will generate a pulling force on the piston 2023-1, causing the piston 2023-1 to move towards the crossbeam 103. The pressure oil 2023-3 is compressed, which applies a reverse pulling force to the wire rope 2021, thereby causing the wire rope 2021 to exert a greater upward thrust on the second pulley 2018, thus improving the support force on the arc plate 2011.

[0060] When the processing mechanism 104 moves from the center of the crossbeam 103 to the end, the wire rope 2021 will gradually unload, the pressure oil 2023-3 will be restored, and the piston 2023-1 will gradually reset, thus returning to the initial state. At this time, the supporting force on the arc plate 2011 will gradually decrease to the initial value.

[0061] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A crossbeam for a gantry machining center, characterized in that: include, The main component (100) includes a frame (101), on which a crossbeam frame (102) is provided, and a crossbeam (103) is fixed on the crossbeam frame (102), and a through hole is provided on the crossbeam (103); An auxiliary component (200), located within the crossbeam (103), includes a reinforcing member (201). The reinforcing member (201) includes an arc-shaped plate (2011) fixed within the crossbeam (103). A first pulley (2012) is slidably disposed on the arc-shaped plate (2011). A cylinder (2013) is rotatably connected to the first pulley (2012). A sliding frame (2014) is fixed on the arc-shaped plate (2011). The cylinder (2013) slides within the sliding frame (2014). A connecting plate (2015) is fixed to one side of the cylinder (2013). A connecting block (2016) is fixed to the bottom of the connecting plate (2015). A mating block (2017) is disposed on one side of the connecting block (2016). A second pulley (2018) is disposed at the bottom of the mating block (2017). The auxiliary component (200) includes a tensioning element (202), a wire rope (2021) is provided inside the crossbeam (103), a winding wheel (2022) is fixed to one end of the wire rope (2021), a hydraulic cylinder (2023) is fixed to one end of the crossbeam (103), a piston (2023-1) is provided inside the hydraulic cylinder (2023), and the other end of the wire rope (2021) is fixed to the piston (2023-1).

2. The crossbeam of the gantry machining center as described in claim 1, characterized in that: The bottom of the connecting block (2016) is fixed with a threaded post (2024), and the top bearing of the mating block (2017) is connected to a rotating sleeve (2025). The threaded post (2024) is threadedly connected to the inner wall of the rotating sleeve (2025).

3. The crossbeam of the gantry machining center as described in claim 2, characterized in that: The auxiliary component (200) also includes an adjusting member (203) located on one side of the crossbeam (103). The adjusting member (203) includes a rotating shaft (2031) fixed on the winding wheel (2022). A worm gear (2032) is fixed on the rotating shaft (2031). A worm (2033) is provided below the worm gear (2032). One side of the worm (2033) is connected to the bearing of the crossbeam (103). A support plate (2034) is provided on the outer sleeve of the worm (2033). The support plate (2034) is fixed to the crossbeam (103).

4. The crossbeam of the gantry machining center as described in claim 3, characterized in that: The bearings on both sides of the rotating shaft (2031) are connected to support blocks (2035), and the support blocks (2035) are fixed on the crossbeam (103).

5. The crossbeam of the gantry machining center as described in claim 3 or 4, characterized in that: The auxiliary component (200) also includes a movable component (204), which is located on one side of the arc plate (2011) and includes a motor (2041) fixed to the inner wall of the crossbeam (103). A rotating column (2042) is connected to one side of the motor (2041), and a spiral groove (2042-1) is opened on the rotating column (2042). A sliding frame (2043) is fixed to one side of the connecting block (2016), and a slider (2044) is sleeved on the rotating column (2042). The slider (2044) can slide in the sliding frame (2043).

6. The crossbeam of the gantry machining center as described in claim 5, characterized in that: A locking block (2045) is fixed on the slider (2044), and the locking block (2045) slides in the spiral groove (2042-1).

7. The crossbeam of the gantry machining center as described in claim 6, characterized in that: An auxiliary block (2026) is fixed on the mating block (2017). A moving groove (2026-1) is provided in the auxiliary block (2026). A locking block (2027) is slidably arranged in the moving groove (2026-1). A locking groove (2025-1) is provided on the rotating sleeve (2025). A spring (2028) is fixed on one side of the locking block (2027). The other end of the spring (2028) is fixed in the moving groove (2026-1).

8. The crossbeam of the gantry machining center as described in claim 7, characterized in that: There are multiple locking slots (2025-1).

9. The crossbeam of the gantry machining center as described in claim 7 or 8, characterized in that: A pull plate (2029) is fixed to one side of the locking block (2027).

10. The crossbeam of the gantry machining center as described in claim 9, characterized in that: The inner wall of the crossbeam (103) is provided with guide wheels (20210), and there are two guide wheels (20210).

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