High-stability turnover mechanism of large lathe bed
By combining components such as the base, movable frame, and dual-axis motor, the problem of instability in the rotation of large cast iron beds has been solved, improving the stability and safety of the bed rotation process and ensuring the reliability and safety of the rotation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-04-03
AI Technical Summary
The existing large cast iron bed tilting mechanism is cumbersome to operate, has a large swaying amplitude, is unstable, and poses a safety hazard.
The machine adopts a combination design of base, movable frame, dual-axis motor, screw, threaded sleeve, connecting rod, fixing mechanism, anti-fall component, adjusting motor and wire rope. The movable frame and fixing mechanism work together to clamp and fix the bed, and the wire rope connects to the adjusting frame to control the bed rotation. Combined with the use of hydraulic cylinder and bracket, the stability and safety of the rotation process are ensured.
This technology improves stability and safety during bed flipping, preventing shaking and falling, and enhancing the reliability and safety of the flipping operation.
Smart Images

Figure CN224073808U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of large-scale bed machining, and in particular to a high-stability tilting mechanism for large-scale beds. Background Technology
[0002] Large cast iron bed is a type of machine tool casting, also known as bed casting or large casting. It is mainly used in machine tool manufacturing and is an important component of machine tools, serving to fix or guide parts. Bed castings have good wear resistance and vibration damping properties, and excellent process performance.
[0003] Currently, in the machining process of large cast iron beds, a flipping mechanism is required to flip them over to facilitate multi-faceted machining. Existing high-stability flipping mechanisms for large beds typically use a double-arm overhead crane to fix both sides of the bed, and then use a crane to lift one side of the bed to flip it over. The entire flipping process is not only cumbersome to operate, but also causes significant swaying of the bed during operation, which is dangerous and cannot stably complete the flipping work, making it unsuitable for use. Summary of the Invention
[0004] The purpose of this application is to provide a highly stable flipping mechanism for a large bed, which has the advantages of good flipping stability, preventing shaking during the flipping process, and high safety.
[0005] To achieve the above objectives, this application also provides a high-stability tilting mechanism for a large bed, including a base, with movable frames on both sides of the top of the base, a control box fixedly connected to the bottom of the inner cavity of the base, a dual-axis motor fixedly connected to the bottom of the inner cavity of the control box, screws fixedly connected to both sides of the output end of the dual-axis motor, threaded sleeves threaded to the surface of the screws, connecting rods fixedly connected to both sides of the threaded sleeves, the side of the connecting rod away from the threaded sleeve passing through the control box and fixedly connected to the movable frames, a fixing mechanism movably connected to the top of the opposite side of the two movable frames, an anti-fall component fixedly connected to the opposite side of the two movable frames, an adjusting motor fixedly connected to the top of the left side of one movable frame, an adjusting frame fixedly connected to the left side of the output end of the adjusting motor, and a steel wire rope fixedly connected to the right side of the front side of the adjusting frame.
[0006] Preferably, the fall arrestor includes a first hydraulic cylinder, and the output ends of the two first hydraulic cylinders on opposite sides are fixedly connected to mounting blocks. The top of the mounting blocks is fixedly connected to brackets, and the movable frame passes through the opposite sides of the two brackets.
[0007] Preferably, the bracket is U-shaped, and each of the two movable frames has an adjustment opening on an opposite side for use with the bracket.
[0008] Preferably, the fixing mechanism includes a fixing frame, and a second hydraulic cylinder is fixedly connected to the top and bottom of the fixing frame. The output ends of the two second hydraulic cylinders on opposite sides of the fixing frame pass through the fixing frame and are fixedly connected to a clamping plate.
[0009] Preferably, the control box has movable openings on both the front and rear sides for use with connecting rods, and the opposite sides of the two screws are movably connected to the inner wall of the control box.
[0010] Preferably, a fixing block is fixedly connected to both the front and rear sides of the inner cavity of the base, a sliding rod is fixedly connected to the inner cavity of the fixing block, a sliding sleeve is slidably connected to the surface of the sliding rod, and the front and rear sides of the movable frame are fixedly connected to the sliding sleeve.
[0011] Preferably, a stabilizing frame is fixedly connected to both sides of the slide rod, and the bottom of the stabilizing frame is fixedly connected to the base.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. By setting up a base, movable frame, control box, dual-axis motor, screw, threaded sleeve, connecting rod, fixing mechanism, anti-fall component, adjusting motor, adjusting frame and steel wire rope, the bed can be clamped and fixed by the two movable frames and the fixing mechanism, and the steel wire rope connects one side of the bed to the adjusting frame. When it is necessary to flip, the adjusting motor and the adjusting frame work together to control the bed to flip stably, preventing the bed from shaking during the flipping process, so that it can complete the flipping work stably.
[0014] 2. By setting a fixed frame, it can cooperate with the second hydraulic cylinder and clamping plate to clamp and fix both sides of the bed. By setting an movable opening, it is convenient to connect the rod to control the position of the movable frame. By setting a fixed block, it is convenient to install and fix the slide rod. By setting the slide rod and sliding sleeve, the movable frame can be limited to ensure stable left and right movement and prevent swaying during movement. By setting a stabilizing frame, the slide rod can be installed and positioned to improve its stability. Before processing and flipping the bed, the first hydraulic cylinder cooperates with the mounting block to control the movement of the two brackets. The two brackets move to both sides of the bottom of the bed and lift the bed to prevent it from falling due to insufficient fixing of the fixing mechanism, thus improving the stability of the bed fixing. Before flipping operations, the bed can also be lifted to further improve safety. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of a high-stability tilting mechanism for a large bed provided in this application;
[0016] Figure 2This is a three-dimensional side view of a highly stable tilting mechanism for a large bed provided in this application;
[0017] Figure 3 This is a partial sectional view of the movable frame of a high-stability tilting mechanism for a large bed provided in this application;
[0018] Figure 4 This is a cross-sectional view of the control box of a high-stability tilting mechanism for a large bed provided in this application;
[0019] Figure 5 This is a partial sectional view of the base of a high-stability tilting mechanism for a large bed provided in this application.
[0020] In the diagram: 1. Base; 2. Movable frame; 3. Control box; 4. Dual-axis motor; 5. Screw; 6. Threaded sleeve; 7. Connecting rod; 8. Fixing mechanism; 9. Fall protection assembly; 10. Adjusting motor; 11. Adjusting frame; 12. Steel wire rope; 801. Fixing frame; 802. Second hydraulic cylinder; 803. Clamping plate; 901. First hydraulic cylinder; 902. Mounting block; 903. Bracket; 13. Fixing block; 14. Slide rod; 15. Slide sleeve. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings. Terms used in this application to indicate spatial relative positions, such as “above,” “over,” “below,” “under,” “first end,” “second end,” “one end,” and “other end,” are used for ease of explanation to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. The terms of spatial relative positions may be intended to include different orientations of the device in use or operation other than those shown in the figures. For example, if the device in the figures is flipped, a unit described as being “below” or “under” other units or features would be located “above” other units or features. Therefore, the exemplary term “below” can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or other orientations), and the spatially related descriptive terms used herein will be interpreted accordingly.
[0022] Furthermore, the terms "installation," "setup," "equipped with," "connection," "sliding connection," "fixed," and "sleeve connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0023] The technical solutions in the embodiments of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the embodiments described in this application are only a part of the embodiments, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.
[0024] Please see Figure 1-5 This utility model provides a technical solution: a high-stability tilting mechanism for a large bed, including a base 1, movable frames 2 on both sides of the top of the base 1, a control box 3 fixedly connected to the bottom of the inner cavity of the base 1, a dual-axis motor 4 fixedly connected to the bottom of the inner cavity of the control box 3, screws 5 fixedly connected to both sides of the output end of the dual-axis motor 4, threaded sleeves 6 threadedly connected to the surface of the screws 5, connecting rods 7 fixedly connected to both sides of the threaded sleeves 6, the side of the connecting rods 7 away from the threaded sleeves 6 passing through the control box 3 and fixedly connected to the movable frames 2, a fixing mechanism 8 movably connected to the top of the opposite side of the two movable frames 2, an anti-fall component 9 fixedly connected to the opposite side of the two movable frames 2, an adjusting motor 10 fixedly connected to the top of the left side of one movable frame 2, an adjusting frame 11 fixedly connected to the left side of the output end of the adjusting motor 10, and a steel wire rope 12 fixedly connected to the right side of the front side of the adjusting frame 11.
[0025] Example 1: By setting up a base 1, movable frame 2, control box 3, dual-axis motor 4, screw 5, threaded sleeve 6, connecting rod 7, fixing mechanism 8, anti-fall component 9, adjusting motor 10, adjusting frame 11 and steel wire rope 12, the bed can be clamped and fixed by the two movable frames 2 and the fixing mechanism 8, and the steel wire rope 12 connects one side of the bed to the adjusting frame 11. When it is necessary to flip, the adjusting motor 10 and the adjusting frame 11 work together to control the bed to flip stably, preventing the bed from shaking during the flipping process, so that it can complete the flipping work stably.
[0026] In one feasible implementation, please refer to Figure 1-5A high-stability tilting mechanism for a large bed includes a fixing mechanism 8 comprising a fixing frame 801. A second hydraulic cylinder 802 is fixedly connected to the top and bottom of the fixing frame 801. The output ends of the two second hydraulic cylinders 802 on opposite sides pass through the fixing frame 801 and are fixedly connected to a clamping plate 803. Movable openings for use with connecting rods 7 are provided on both the front and rear sides of the control box 3. The opposite sides of the two screws 5 are movably connected to the inner wall of the control box 3. Fixing blocks 13 are fixedly connected to the front and rear sides of the inner cavity of the base 1. A sliding rod 14 is fixedly connected to the inner cavity of the fixing block 13. A sliding sleeve 15 is slidably connected to the surface of the sliding rod 14. The front and rear sides of the movable frame 2 are fixedly connected to the sliding sleeve 15. Stable frames are fixedly connected to both sides of the sliding rod 14, and the bottom of the stable frame is fixedly connected to the base 1.
[0027] Example 2: By setting a fixed frame 801, it can cooperate with the second hydraulic cylinder 802 and the clamping plate 803 to clamp and fix both sides of the bed. By setting an movable opening, it is convenient for the connecting rod 7 to control the position of the movable frame 2. By setting a fixed block 13, it is convenient for the installation and fixing of the slide rod 14. By setting the slide rod 14 and the sliding sleeve 15, the movable frame 2 can be limited, so that it can move left and right stably and prevent it from shaking during movement. By setting a stabilizing frame, the slide rod 14 can be installed and positioned to improve its stability.
[0028] Based on Embodiment 1, this embodiment describes the fall protection component 9 in Embodiment 1. The fall protection component 9 includes a first hydraulic cylinder 901. The output ends of the two first hydraulic cylinders 901 on opposite sides are fixedly connected to mounting blocks 902. The top of the mounting blocks 902 is fixedly connected to brackets 903. The two brackets 903 pass through the movable frame 2 on opposite sides. The brackets 903 are U-shaped. The two movable frames 2 on opposite sides are provided with adjustment openings that cooperate with the brackets 903. Before processing and flipping the bed, the first hydraulic cylinders 901 cooperate with the mounting blocks 902 to control the movement of the two brackets 903. The two brackets 903 move to both sides of the bottom of the bed and lift the bed through the brackets 903, so as to avoid the fixed mechanism 8 being not secure enough and causing it to fall, thereby improving the stability of the bed. Before flipping operations, the bed can also be lifted, further improving safety.
[0029] Working principle: The dual-axis motor 4 is activated. The dual-axis motor 4, in conjunction with the screw 5, drives the threaded sleeve 6 and connecting rod 7 to move. The movement of the connecting rod 7 moves the two movable frames 2. The distance between the two movable frames 2 is adjusted according to the specifications of the bed. The first hydraulic cylinder 901 is activated. Through the cooperation of the first hydraulic cylinder 901 and the mounting block 902, the two brackets 903 are moved. The two brackets 903 move to the bottom of the fixing mechanism 8, and the bed is hoisted to the top of the brackets 903 and fixed using the fixing mechanism 8. At this point, the top can be machined using processing equipment. When the machining is completed and the bed needs to be flipped, it is connected to one side of the bed via a steel wire rope 12 and a hook. Then, the first hydraulic cylinder 901 is reset and the adjusting motor 10 is turned on. The adjusting motor 10 and the adjusting frame 11 work together to drive the bed to flip. After the flip is completed, the first hydraulic cylinder 901 is started again, and the support 903 continues to lift the bed. Since the steel wire rope 12 is taut during the flipping process and the bed is slowly rotated by the adjusting frame 11, the bed will not shake during the flipping process, thus improving its stability and safety.
[0030] Although embodiments of the present utility have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present utility, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high stability tilting mechanism for a large bed, characterized in that, The utility model relates to a kind of movable frame for construction, including pedestal (1), the top of the pedestal (1) is provided with movable frame (2) in both sides, the bottom of the cavity of the pedestal (1) is fixedly connected with control box (3), the bottom of the cavity of the control box (3) is fixedly connected with double-shaft motor (4), the both sides of the output end of the double-shaft motor (4) are fixedly connected with screw rod (5), the surface of the screw rod (5) is threadedly connected with threaded sleeve (6), the both sides of the threaded sleeve (6) are fixedly connected with connecting rod (7), the side of the connecting rod (7) away from threaded sleeve (6) penetrates control box (3) and is fixedly connected with movable frame (2), the top of the opposite side of two movable frames (2) is movably connected with fixed mechanism (8), the opposite side of two movable frames (2) is fixedly connected with anti-falling assembly (9), the left top of the one side movable frame (2) is fixedly connected with adjusting motor (10), the left side of the output end of the adjusting motor (10) is fixedly connected with adjusting frame (11), the right side of the front of the adjusting frame (11) is fixedly connected with steel wire rope (12).
2. A high stability tilting mechanism for a large bed according to claim 1, characterized in that, The anti-falling assembly (9) includes a first hydraulic cylinder (901), and the output ends of the opposite sides of the two first hydraulic cylinders (901) are fixedly connected with mounting blocks (902), the top of each mounting block (902) is fixedly connected with a bracket (903), and the opposite sides of the two brackets (903) penetrate the movable frames (2).
3. A high stability tilting mechanism for a large bed according to claim 2, characterized in that, The bracket (903) is U-shaped, and the opposite sides of the two movable frames (2) are each provided with an adjusting opening matched with the bracket (903).
4. A high stability tilting mechanism for a large bed according to claim 1, characterized in that, The fixed mechanism (8) includes a fixed frame (801), and the top and bottom of the fixed frame (801) are fixedly connected with second hydraulic cylinders (802), and the output ends of the opposite sides of the two second hydraulic cylinders (802) penetrate the fixed frame (801) and are fixedly connected with clamping plates (803).
5. A high stability roll-over mechanism for a large bed as claimed in claim 1, wherein, The front and rear sides of the control box (3) are each provided with a movable opening matched with the connecting rod (7), and the opposite sides of the two screw rods (5) are movably connected with the inner wall of the control box (3).
6. A high stability roll-over mechanism for a large bed as claimed in claim 1, wherein, The front and rear sides of the cavity of the pedestal (1) are fixedly connected with fixed blocks (13), the cavity of each fixed block (13) is fixedly connected with a slide rod (14), the surface of the slide rod (14) is slidably connected with a slide sleeve (15), and the front and rear sides of the movable frame (2) are fixedly connected with the slide sleeve (15).
7. A high stability roll-over mechanism for a large bed according to claim 6, wherein The both sides of the slide rod (14) are fixedly connected with stabilizing frames, and the bottom of each stabilizing frame is fixedly connected with the pedestal (1).