Numerical control crane with grabbing assembly

By introducing transmission elements and diversified grasping mechanisms into the lifting device, diversified grasping and rotation adjustment of items of different shapes is achieved, and the problem of single grasping methods in the existing technology is solved, and the efficiency of lifting and stability.

CN119284719APending Publication Date: 2025-01-10HUNAN CHUANGYAN IND TECH RES INST CO LTD
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Patent Information

Application Number
CN202411386019.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-01-10

AI Technical Summary

Technical Problem

The existing hanging device grasps bulky parts in a single way, making it difficult to adapt to the shape of different items, and the grab effect is limited.

Method used

A CNC row crane with a gripping component is designed to realize the individual angle adjustment of the grab part and diversified grasping methods through the transmission element, including horizontal and vertical close grasping, and the object can be rotated and moved in a longitudinal position. Suitable for different shapes and working environments.

Benefits of technology

It realizes a variety of grabbing methods for items of different shapes, improves the efficiency and applicability of the lifting, avoids support movement wear, and enhances the stability of the device and lifting position adjustment ability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a numerical control crane with a grabbing assembly. The numerical control crane comprises a crane guide rail and a grabbing mechanism. A movable frame is installed in the crane guide rail, the lower side of the movable frame is rotationally connected with a crane base through a second rotating shaft, and two first sliding grooves which are transversely and symmetrically distributed are formed in the lower side of the crane base; and the grabbing mechanism comprises two transverse moving frames, a longitudinal moving seat, a third rotating shaft and a grabbing seat, and the two transverse moving frames are slidably connected between the two first sliding grooves. According to the numerical control crane with the grabbing assembly, through a transmission element, the grabbing angle of the grabbing part can be independently adjusted according to the shape of an object; the device is simple in structure and convenient to use, the article traveling crane grabbing part of the device can conduct transverse closing and longitudinal closing grabbing on articles, the article traveling crane grabbing modes of the device are various, the device is suitable for traveling crane grabbing of articles of different shapes, meanwhile, the device can conduct traveling crane rotation and longitudinal position movement on the traveling crane articles through the transmission element, and the device is suitable for different traveling crane operation environments.
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Description

Technical Field

[0001] The invention relates to the technical field of lifting, and in particular to a CNC crane with a grabbing component. Background Art

[0002] At present, for CNC machine tools in production workshops, there are many parts to be processed and they are very bulky. Usually, a crane is used to move objects. In the prior art, a crane device includes a fixed frame, and a movable crossbeam is slidably connected to the upper side of the fixed frame through a guide rail. Two groups of grabbing components are arranged inside the movable crossbeam through the telescopic end of an electric push rod 1. Each group of grabbing components consists of two electro-hydraulic push rods 2 and two grippers. The telescopic end of the electric push rod 1 is moved by a control element, so as to adjust the vertical movement of the grabbing component of the device. The telescopic end of the electro-hydraulic push rod 2 is moved by a control element, so as to adjust the position of the gripper, so that the device can grab objects. Subsequently, the movable crossbeam is driven by the driving assembly to move the objects horizontally along the guide rail. However, different objects have different shapes. When the gripper of the device grabs the objects, the two adjacent grippers are longitudinally brought close to each other to realize the crane grabbing of the objects. In the process of grabbing objects at the grabbing part of the device, the grabbing method is relatively single, and the crane grabbing effect on the objects is limited, which needs to be improved. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a CNC crane with a grabbing assembly. The device can adjust the grabbing angle of the grabbing part separately according to the shape of the object through the transmission element, and the grabbing part of the device can grab the object laterally and longitudinally. The device has various grabbing methods for the item crane and is suitable for grabbing objects of different shapes. At the same time, the device can rotate the item crane and move the longitudinal position through the transmission element, which is suitable for different crane operating environments and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a CNC crane with a grabbing assembly, comprising a crane guide rail and a grabbing mechanism; Traveling crane guide rail: a moving frame is installed inside the guide rail, and a traveling crane seat is rotatably connected to the lower side of the moving frame through a rotating shaft 2, and two sliding grooves 1 with symmetrical distribution in the horizontal direction are provided on the lower side of the traveling crane seat; Grabbing mechanism: It includes a transverse moving frame, a longitudinal moving seat, a rotating shaft three and a grabbing seat. There are two transverse moving frames, both of which are slidably connected between two slide grooves one. Two symmetrically distributed slide grooves two are provided on the lower side of the transverse moving frame. The interior of the slide groove two is slidably connected with the longitudinal moving seat. The lower side of the longitudinal moving seat is rotatably connected with the rotating shaft three through a bearing one. The outer lower end of the rotating shaft three is movably sleeved with a grabbing seat. The device can adjust the grasping angle of the grasping part according to the shape of the object through the transmission element, and the device's item crane grasping part can grasp the object laterally and longitudinally. The device has various item crane grasping methods, which is suitable for crane grasping of objects of different shapes. At the same time, the device can rotate the crane and move the longitudinal position of the objects through the transmission element, which is suitable for different crane operating environments.

[0005] Furthermore, it also includes a PLC controller, which is located outside the overhead crane guide rail. The input end of the PLC controller is electrically connected to an external power supply, which facilitates the control of electrical components.

[0006] Furthermore, the front and rear sides of the mobile frame are rotatably connected to two symmetrically distributed traveling wheels through a rotating shaft, and the traveling wheels are installed in cooperation with the overhead crane guide rails. The movement of the mobile frame is supported by rotation, thereby replacing the traditional sliding support of the slide seat and slide groove, thereby avoiding support movement wear of the device.

[0007] Furthermore, the grabbing mechanism also includes a rubber pad and an electric rotating table. The electric rotating table is respectively arranged on the lower side of the longitudinal movement seat. The rotating ends of the electric rotating table are fixedly connected to the adjacent rotating shafts. The input ends of the electric rotating table are electrically connected to the output ends of the PLC controller. Three evenly distributed rubber pads are provided on one side of the grabbing seat close to the center of the overhead crane seat to adjust the grabbing angles of the overhead crane items separately.

[0008] Furthermore, the grabbing mechanism also includes a driving component 1, which includes a stud 1, a motor 1 and a lifting seat. The stud 1 is rotatably connected to the lower side of the longitudinal movement seat through bearing 2, the lower end of the stud 1 is threadedly connected to the lifting seat, and the other end of the lifting seat is rotatably connected to the adjacent grabbing seat through bearing 3. A motor 1 is provided on the upper side of the longitudinal movement seat, the input end of the motor 1 is electrically connected to the output end of the PLC controller, and the output shaft of the motor 1 is fixedly connected to the adjacent stud 1 to vertically adjust the object grabbing part of the CNC crane.

[0009] Furthermore, the grabbing mechanism also includes a driving component 2, which includes a stud 2 and a motor 2. The stud 2 is rotatably connected to the inside of the slide slot 2 through a bearing 4. The stud 2 is threadedly connected to the adjacent longitudinal movement seat. Motor 2 is provided on the front and rear sides of the transverse movement frame. The input end of motor 2 is electrically connected to the output end of the PLC controller. The output shaft of motor 2 is fixedly connected to the adjacent stud 2 to adjust the longitudinal position of the object grabbing part of the CNC crane.

[0010] Furthermore, the grabbing mechanism also includes a driving component three, which includes a bidirectional screw and a motor three. The bidirectional screw is rotatably connected to a front slide groove one through a bearing five. The transverse frames are threadedly connected to adjacent bidirectional screws. A motor three is provided on the right side of the traveling crane seat. The input end of the motor three is electrically connected to the output end of the PLC controller. The output shaft of the motor three is fixedly connected to the right end of the bidirectional screw to adjust the lateral position of the object grabbing part of the CNC traveling crane.

[0011] Furthermore, an electric rotating platform 2 is provided on the lower side of the movable frame, the rotating end of the electric rotating platform 2 is fixedly connected to the rotating shaft 2, and the input end of the electric rotating platform 2 is electrically connected to the output end of the PLC controller to adjust the horizontal rotation position of the hanging objects of the device.

[0012] Furthermore, an annular slide groove is opened on the lower side of the movable frame, and two symmetrically distributed auxiliary support rods are slidably connected inside the annular slide groove. The lower sides of the auxiliary support rods are fixedly connected to the upper side of the traveling crane seat, so as to provide auxiliary support for the rotation of the CNC traveling crane to grab objects and improve the rotation and movement stability of the device itself.

[0013] Furthermore, the interior of the crane guide rail is rotatably connected to a stud three via a bearing six, and the stud three is threadedly connected to the movable frame. A motor four is provided on the right side of the crane guide rail, and the input end of the motor four is electrically connected to the output end of the PLC controller. The output shaft of the motor four is fixedly connected to the right end of the stud three, thereby providing power for the CNC crane to grab objects and move horizontally.

[0014] Compared with the prior art, the invention has the following advantages: 1. When the items are grabbed by the crane, the grabbing angle of the grabbing parts can be adjusted separately according to the shape of the items through the longitudinal shift seat, the rotating shaft three, the grabbing seat, the rubber pad, the driving component one, the driving component two and the driving component three. The grabbing part of the crane installed can grab the items horizontally and vertically. The grabbing methods of the crane installed are diverse, which is suitable for grabbing items of different shapes.

[0015] 2. During the process of moving objects on the overhead crane, the device can rotate the objects on the overhead crane and move them longitudinally through the drive component 2 and the electric rotating table 2, which is suitable for different overhead crane operating environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 Schematic diagram of the internal structure of the present invention; Figure 3 The present invention is a cross-sectional schematic diagram of the structure of the transverse frame; Figure 4 It is a schematic diagram of the enlarged structure of point A of the present invention.

[0017] In the figure: 1 row of hanging guide rails, 2 PLC controller, 3 moving frame, 4 rotating shaft 1, 5 traveling wheel, 6 rotating shaft 2, 7 row of hanging seats, 8 grabbing mechanism, 81 transverse frame, 82 longitudinal seat, 83 rotating shaft 3, 84 grabbing seat, 85 rubber pad, 86 driving component 1, 861 stud 1, 862 motor 1, 863 lifting seat, 87 electric rotating table 1, 88 driving component 2, 881 stud 2, 882 motor 2, 89 driving component 3, 891 bidirectional screw, 892 motor 3, 9 electric rotating table 2, 10 auxiliary support rod, 11 stud 3, 12 motor 4. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-4 , This embodiment provides a technical solution: a CNC crane with a grabbing assembly, including a crane guide rail 1 and a grabbing mechanism 8; The crane guide rail 1: a moving frame 3 is installed inside the moving frame 3, and the lower side of the moving frame 3 is rotatably connected to the crane seat 7 through the rotating shaft 6. The lower side of the crane seat 7 is provided with two lateral symmetrically distributed slide grooves 1, and also includes a PLC controller 2. The PLC controller 2 is located outside the crane guide rail 1, and the input end of the PLC controller 2 is electrically connected to the external power supply. The front and rear sides of the moving frame 3 are rotatably connected to two symmetrically distributed traveling wheels 5 through the rotating shaft 1 4. The traveling wheels 5 are installed in conjunction with the crane guide rail 1. An electric rotating table 2 9 is provided on the lower side of the moving frame 3. The rotating end of the electric rotating table 2 9 is fixedly connected to the rotating shaft 2 6, and the input end of the electric rotating table 2 9 is connected to the PLC controller 2. The output end of the LC controller 2 is electrically connected, an annular slide groove is provided on the lower side of the mobile frame 3, and two symmetrically distributed auxiliary support rods 10 are slidably connected inside the annular slide groove, and the lower sides of the auxiliary support rods 10 are fixedly connected to the upper side of the travel hanging seat 7. The interior of the travel hanging guide rail 1 is rotatably connected with a stud three 11 through a bearing six, and the stud three 11 is threadedly connected to the mobile frame 3. A motor four 12 is provided on the right side of the travel hanging guide rail 1, and the input end of the motor four 12 is electrically connected to the output end of the PLC controller 2, and the output shaft of the motor four 12 is fixedly connected to the right end of the stud three 11. The PLC controller 2 starts the motor four 12 so that its output shaft drives the stud three 11 to rotate. The stud three 11 is connected by threads so that the mobile frame 3 can move laterally along the crane guide rail 1, so that the objects being hoisted by the device can be moved laterally. During this process, the front and rear ends of the mobile frame 3 are rotated and moved along the track of the crane guide rail 1 through the traveling wheels 5. The rotation support of the mobile frame 3 replaces the traditional sliding support of the slide seat slot, thereby avoiding the wear of the support movement of the device. During the process of the device hoisting objects, the PLC controller 2 starts the electric rotating table 2 9 so that its rotating end drives the rotating shaft 2 6 to rotate through the same principle, and the rotating shaft 2 6 drives the crane seat 7 to rotate, thereby adjusting the horizontal rotation position of the objects being hoisted by the device. During this process, the traveling seat 7 drives the auxiliary support rod 10 to rotate synchronously, and the sliding connection between the upper end of the auxiliary support rod 10 and the annular slide groove is used to assist in supporting the horizontal rotation of the traveling seat 7, thereby improving the operation stability of the device. At the same time, the PLC controller 2 controls the two longitudinally adjacent motors 882 to make their output shafts rotate synchronously in opposite directions, so that the grabbing seat 84 can grab the objects and move them longitudinally forward and backward, further improving the device's ability to adjust the hoisting position of the traveling objects. The device is easy to use. The device can rotate the traveling objects and move them longitudinally through the transmission elements, and is suitable for different traveling crane operation environments. Grabbing mechanism 8: It includes a transverse frame 81, a longitudinal seat 82, a rotating shaft 3 83 and a grabbing seat 84. There are two transverse frames 81, and the transverse frames 81 are slidably connected between the two slide grooves 1. The lower side of the transverse frame 81 is provided with two symmetrically distributed slide grooves 2, and the interior of the slide grooves 2 is slidably connected with the longitudinal seat 82. The lower side of the longitudinal seat 82 is rotatably connected with the rotating shaft 3 83 through a bearing 1, and the outer lower end of the rotating shaft 3 83 is movably sleeved with a grabbing seat 84. The grabbing mechanism 8 also includes a rubber pad 85 and an electric rotating table 1 87. The electric rotating table 1 87 is respectively arranged on the lower side of the longitudinal seat 82. The rotating ends of the electric rotating table 1 87 are fixedly connected to the adjacent rotating shaft 3 83, and the input ends of the electric rotating table 1 87 are connected to the input of the PLC controller 2. The output end is electrically connected, and three evenly distributed rubber pads 85 are provided on one side of the grabbing seat 84 near the center of the traveling suspension seat 7. The grabbing mechanism 8 also includes a driving component 86, and the driving component 86 includes a stud 861, a motor 862 and a lifting seat 863. The stud 861 is rotatably connected to the lower side of the longitudinal displacement seat 82 through bearing 2, and the lower end of the stud 861 is threadedly connected with the lifting seat 863, and the other end of the lifting seat 863 is rotatably connected to the adjacent grabbing seat 84 through bearing 3. The upper side of the longitudinal displacement seat 82 is provided with a motor 862, and the input end of the motor 862 is electrically connected to the output end of the PLC controller 2, and the output shaft of the motor 862 is fixedly connected to the adjacent stud 861. The grabbing mechanism 8 also includes a driving component 86. Part 2 88, driving component 2 88 includes stud 2 881 and motor 2 882, stud 2 881 is respectively connected to the inside of slide groove 2 through bearing 4, stud 2 881 is threadedly connected to the adjacent longitudinal shift seat 82, motor 2 882 is provided on the front and rear sides of transverse shift frame 81, input end of motor 2 882 is electrically connected to the output end of PLC controller 2, output shaft of motor 2 882 is fixedly connected to the adjacent stud 2 881, grasping mechanism 8 also includes driving component 3 89, driving component 3 89 includes bidirectional lead screw 891 and motor 3 892, bidirectional lead screw 891 is connected to the slide groove 1 on the front side through bearing 5, transverse shift frame 81 is threadedly connected to the adjacent bidirectional lead screw 891, and electric wire is provided on the right side of hanging seat 7. Machine three 892, the input end of motor three 892 is electrically connected to the output end of PLC controller 2, and the output shaft of motor three 892 is fixedly connected to the right end of bidirectional lead screw 891. When lifting and hoisting objects, PLC controller 2 starts motor one 862 so that its output shaft drives stud one 861 to rotate, and stud one 861 is connected through threads so that the lifting seat 863 drives the corresponding grabbing seat 84 to move vertically downward, thereby adjusting the vertical height of the lifting and grabbing part of the device for the object, and then PLC controller 2 starts electric rotating table one 87 so that its rotating end drives rotating shaft three 83 to rotate. The internal transmission structure of electric rotating table one 87 adopts a worm gear structure, thereby ensuring that the rotating end of electric rotating table one 87 can be rotated and locked in time.The rotating shaft 3 83 drives the grabbing seat 84 to rotate around the corresponding rotating shaft 3 83 axis through the guide groove provided by itself, so that the grabbing seat 84 of the device can be individually adjusted in horizontal grabbing angle rotation according to the shape of the object itself, so as to facilitate the subsequent overhead crane grabbing of the object by the device. Then, the PLC controller 2 starts the motor 2 882 so that its output shaft drives the stud 2 881 to rotate. The stud 2 881 is threadedly connected so that the longitudinal seat 82 indirectly drives the grabbing seat 84 along the slide groove 2 to move closer to the center of the device, so that the four corners of the object are longitudinally grabbed and fixed by the grabbing seat 84. In this process, the side of the grabbing seat 84 is squeezed and contacted with the object through the rubber pad 85 to avoid squeezing and wear between the two. The PLC controller 2 starts the motor 3 892 so that its output shaft drives the stud 2 881 to rotate. The stud 2 881 is threadedly connected so that the longitudinal movement seat 82 indirectly drives the grabbing seat 84 along the slide groove 2 to move closer to the center of the device. The output shaft drives the bidirectional screw 891 to rotate, and the bidirectional screw 891 is connected by threads so that the two transverse frames 81 are synchronously moved closer to or farther from the center of the row hanging seat 7, and then the lifting and grabbing part of the device is adjusted to the horizontal grabbing range according to actual needs, and the grabbing seat 84 can be used to grab and fix the object horizontally according to the shape of the object itself. Then the PLC controller 2 controls the motor 862 to make the grabbing seat 84 grab the object and move it up. The device can adjust the grabbing angle of the grabbing part according to the shape of the object itself through the transmission element, and the device's row hanging grabbing part can grab the object horizontally and vertically. The device has various ways to grab the row hanging objects, which is suitable for row hanging grabbing of objects of different shapes.

[0020] The working principle of a CNC overhead crane with a grabbing assembly provided by the present invention is as follows: when lifting and hoisting an object, the PLC controller 2 starts the motor 862 so that its output shaft drives the stud 861 to rotate, and the stud 861 is threadedly connected so that the lifting seat 863 drives the corresponding grabbing seat 84 to move vertically downward, thereby adjusting the vertical height of the lifting and grabbing part of the device for the object, and then the PLC controller 2 starts the electric rotating table 87 so that its rotating end drives the rotating shaft 3 83 to rotate. The internal transmission structure of the electric rotating table 87 adopts a worm gear structure, thereby ensuring that the rotating end of the electric rotating table 87 can be rotated and locked in time, and the rotating shaft 3 83 drives the grabbing seat 84 to rotate around the corresponding rotating shaft 3 83 axis through the guide groove provided by itself. , so that the grab seat 84 of the device can be individually adjusted in horizontal grabbing angle rotation according to the shape of the object itself, so that the device can later carry out overhead crane grabbing of the object. Then the PLC controller 2 starts the motor 2 882 so that its output shaft drives the stud 2 881 to rotate. The stud 2 881 is threadedly connected so that the longitudinal movement seat 82 indirectly drives the grab seat 84 along the slide groove 2 to move closer to the center of the device, so that the four corners of the object are longitudinally grabbed and fixed by the grab seat 84. In this process, the side of the grab seat 84 is squeezed and contacted with the object through the rubber pad 85 to avoid squeezing and wear between the two. The PLC controller 2 starts the motor 3 892 so that its output shaft drives the bidirectional screw 891 to rotate. The bidirectional screw 891 is threadedly connected so that the two transverse frames 81 are simultaneously The mobile frame 3 is moved closer to or farther away from the center of the traveling crane seat 7, and the lateral grabbing range of the lifting and grabbing part of the device is adjusted according to actual needs. The object can be laterally grabbed and fixed through the grabbing seat 84 according to the shape of the object. Then the PLC controller 2 controls the motor 1 862 to make the grabbing seat 84 grab the object and move it upward through the traveling crane through the same principle. Then the PLC controller 2 starts the motor 4 12 so that its output shaft drives the stud 3 11 to rotate. The stud 3 11 is connected by a thread so that the mobile frame 3 moves laterally along the traveling crane guide rail 1, thereby making the device move the hanging objects laterally. In this process, the front and rear ends of the mobile frame 3 are rotated and moved along the track of the traveling crane guide rail 1 through the traveling wheels 5, and the movement of the mobile frame 3 is supported by rotation, thereby replacing the traditional The sliding support of the slide seat slot can avoid the wear of the support movement of the device. During the process of the device lifting the items, the PLC controller 2 starts the electric rotating table 29 to make its rotating end drive the rotating shaft 26 to rotate through the same principle, and the rotating shaft 26 drives the row hanging seat 7 to rotate, so as to adjust the horizontal rotation position of the items being lifted by the device. During this process, the row hanging seat 7 drives the auxiliary support rod 10 to rotate synchronously, and the sliding connection between the upper end of the auxiliary support rod 10 and the annular slot can assist in supporting the horizontal rotation of the row hanging seat 7, thereby improving the operation stability of the device. At the same time, the PLC controller 2 controls the two longitudinally adjacent motors 2882 to make their output shafts rotate synchronously in opposite directions, so that the grabbing seat 84 can grab the items and move them longitudinally forward and backward.Further improve the device's ability to adjust the hoisting position of overhead objects, and make it easy to use.

[0021] It is worth noting that the PLC controller 2 disclosed in the above embodiment can adopt 6ES7274-1XK30-0XA0, motor 1 862, motor 2 882 and motor 3 892 can all adopt Y80M1-2, electric rotary table 1 87 can adopt ERT200-2, electric rotary table 2 9 can adopt XYZERT-1, motor 4 12 can adopt Y180L-4, and the PLC controller 2 controls the operation of motor 1 862, electric rotary table 1 87, motor 2 882, motor 3 892, electric rotary table 2 9 and motor 4 12 using methods commonly used in the prior art.

[0022] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A CNC crane with a grab assembly, characterized in that: It comprises a crane guide rail (1) and a grabbing mechanism (8); A traveling crane guide rail (1): a moving frame (3) is installed inside the moving frame (3), the lower side of which is rotatably connected to a traveling crane seat (7) via a second rotating shaft (6), and the lower side of the traveling crane seat (7) is provided with two lateral symmetrically distributed sliding grooves 1; The grabbing mechanism (8) comprises a transverse moving frame (81), a longitudinal moving seat (82), a rotating shaft three (83) and a grabbing seat (84). There are two transverse moving frames (81), each of which is slidably connected between two slide grooves one. Two symmetrically distributed slide grooves two are provided on the lower side of the transverse moving frame (81), and the interior of the slide grooves two is slidably connected to the longitudinal moving seat (82). The lower side of the longitudinal moving seat (82) is rotatably connected to the rotating shaft three (83) through a bearing one, and the outer lower end of the rotating shaft three (83) is movably sleeved with a grabbing seat (84).

2. A CNC crane with a grab assembly according to claim 1, characterized in that: It also includes a PLC controller (2), which is located outside the overhead crane guide rail (1), and an input end of the PLC controller (2) is electrically connected to an external power supply.

3. The CNC crane with a grab assembly according to claim 1, characterized in that: The front and rear sides of the movable frame (3) are rotatably connected to two symmetrically distributed traveling wheels (5) via a rotating shaft (4), and the traveling wheels (5) are mounted in cooperation with the traveling crane guide rail (1).

4. A CNC crane with a grab assembly according to claim 2, characterized in that: The grabbing mechanism (8) further comprises a rubber pad (85) and an electric rotating table (87), wherein the electric rotating table (87) is respectively arranged on the lower side of the longitudinal displacement seat (82), the rotating ends of the electric rotating table (87) are fixedly connected to the adjacent rotating shaft (83), the input ends of the electric rotating table (87) are electrically connected to the output ends of the PLC controller (2), and three evenly distributed rubber pads (85) are arranged on one side of the grabbing seat (84) close to the center of the traveling suspension seat (7).

5. The CNC crane with a grab assembly according to claim 2, characterized in that: The gripping mechanism (8) further comprises a driving assembly (86), wherein the driving assembly (86) comprises a stud (861), a motor (862) and a lifting seat (863), wherein the stud (861) is rotatably connected to the lower side of the longitudinal displacement seat (82) via a bearing (2), the lower end of the stud (861) is threadedly connected to the lifting seat (863), the other end of the lifting seat (863) is rotatably connected to an adjacent gripping seat (84) via a bearing (3), the upper side of the longitudinal displacement seat (82) is provided with a motor (862), the input end of the motor (862) is electrically connected to the output end of the PLC controller (2), and the output shaft of the motor (862) is fixedly connected to the adjacent stud (861).

6. The CNC crane with a grab assembly according to claim 2, characterized in that: The gripping mechanism (8) further comprises a second drive assembly (88), wherein the second drive assembly (88) comprises a second stud (881) and a second motor (882), wherein the second stud (881) is rotatably connected to the interior of the second slide slot via four bearings, and the second stud (881) is threadedly connected to the adjacent longitudinal shift seat (82). The second motor (882) is disposed on both the front and rear sides of the transverse shift frame (81), and the input end of the second motor (882) is electrically connected to the output end of the PLC controller (2), and the output shaft of the second motor (882) is fixedly connected to the adjacent second stud (881).

7. The CNC crane with a grab assembly according to claim 2, characterized in that: The grabbing mechanism (8) further comprises a driving assembly three (89), wherein the driving assembly three (89) comprises a bidirectional lead screw (891) and a motor three (892), wherein the bidirectional lead screw (891) is rotatably connected to a front slide groove one via a bearing five, and the transverse moving frame (81) is threadedly connected to adjacent bidirectional lead screws (891). A motor three (892) is arranged on the right side of the travel suspension seat (7), wherein the input end of the motor three (892) is electrically connected to the output end of the PLC controller (2), and the output shaft of the motor three (892) is fixedly connected to the right end of the bidirectional lead screw (891).

8. The CNC crane with a grab assembly according to claim 2, characterized in that: An electric rotating platform 2 (9) is provided on the lower side of the mobile frame (3); the rotating end of the electric rotating platform 2 (9) is fixedly connected to the rotating shaft 2 (6); and the input end of the electric rotating platform 2 (9) is electrically connected to the output end of the PLC controller (2).

9. The CNC crane with a grab assembly according to claim 1, characterized in that: An annular slide groove is provided on the lower side of the movable frame (3), and two symmetrically distributed auxiliary support rods (10) are slidably connected inside the annular slide groove, and the lower sides of the auxiliary support rods (10) are fixedly connected to the upper side of the travel suspension seat (7).

10. The CNC crane with a grab assembly according to claim 2, characterized in that: The interior of the overhead crane guide rail (1) is rotatably connected to a stud three (11) via a bearing six, and the stud three (11) is threadedly connected to the movable frame (3). A motor four (12) is provided on the right side of the overhead crane guide rail (1), and the input end of the motor four (12) is electrically connected to the output end of the PLC controller (2), and the output shaft of the motor four (12) is fixedly connected to the right end of the stud three (11).