Numerical control lathe loading and unloading device
By introducing a mobile car, a clamping frame, an electric hoist and a PLC controller into the loading and unloading device of a CNC lathe, the problem of workpiece falling caused by insufficient clamping force in the existing device was solved, and safe and efficient workpiece transportation was achieved.
Patent Information
- Application Number
- CN202422956225.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing loading and unloading device of a CNC lathe is prone to causing the workpiece to fall due to insufficient clamping force when clamping the workpiece, which is inconvenient to use and poses a safety hazard.
A loading and unloading device including a mobile vehicle, a clamping frame, an electric hoist and a PLC controller was designed. The electric hoist was used for lifting, the clamping frame was used for clamping and limiting to prevent shaking, and the workpiece was moved and transported in combination with the rotating wheel and the drive motor.
It effectively avoids the risk of workpieces falling due to insufficient clamping force, improves the safety and efficiency of the loading and unloading process, saves manpower, and has good practicality.
Smart Images

Figure CN223342265U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of unloading devices, in particular to a loading and unloading device for a numerically controlled lathe. Background Art
[0002] A CNC lathe is a computer-controlled lathe capable of high-precision machining. It automates operations such as turning, drilling, and milling, improving machining efficiency and accuracy. When machining workpieces on a CNC lathe, a loading and unloading device is typically used to load and unload the workpiece, reducing manual labor and improving machining efficiency.
[0003] An existing CNC lathe loading and unloading device (Announcement No.: CN221696157U) has at least the following disadvantages:
[0004] In the above patent, the workpiece on the lathe is clamped by a clamping assembly and then moved. However, the clamping of the workpiece relies on friction, so when the clamping force is insufficient, the clamping fails, causing the workpiece to fall, making it inconvenient to use and having certain limitations. Utility Model Content
[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a loading and unloading device for a CNC lathe.
[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0007] A loading and unloading device for a CNC lathe includes a mobile carriage, a clamping frame is provided on one side of the mobile carriage, a PLC controller is provided on the other side of the mobile carriage, and also includes an unloading assembly for unloading a workpiece, the unloading assembly is provided on the top surface of the mobile carriage, and the unloading assembly includes: an electric hoist, the electric hoist is fixedly mounted on the top surface of the mobile carriage, and the electric hoist is electrically connected to the PLC controller.
[0008] As a further solution of the present invention, the unloading assembly also includes a fixed plate fixedly installed on one side of the mobile vehicle, a plurality of guide wheels fixedly installed on one side of the fixed plate, a limiting ring fixedly installed on one side of the fixed plate, the steel cable of the electric hoist is upwardly placed on the inside of the guide wheel and passes through the inside of the limiting ring, the top surface of the mobile vehicle is provided with two fixed grooves, the internal movably sleeved inside the fixed grooves is provided with a mobile plate, the top surface of the mobile plate is provided with a threaded hole, the inner circular wall surface of the threaded hole is threadedly connected with a threaded column, two first drive motors are fixedly installed on the top surface of the mobile vehicle, the first drive motor is electrically connected to the PLC controller, and the bottom surface of the drive shaft of the first drive motor is fixedly installed on the threaded column.
[0009] As a further solution of the present invention, a fixing hole is provided on the top surface of the mobile vehicle, and a rotating frame is movably connected to the inner circular wall of the fixing hole, and a first circular through hole is provided on both sides of the rotating frame, and a rotating wheel is movably connected inside the first circular through hole. A second driving motor is fixedly installed on one side of the rotating frame, and the second driving motor is electrically connected to the PLC controller. One end of the driving shaft of the second driving motor is fixedly installed on the rotating wheel, and a third driving motor is provided on the top surface of the mobile vehicle, and the third driving motor is electrically connected to the PLC controller. The bottom surface of the driving shaft of the third driving motor is fixedly installed on the rotating frame, and two universal wheels are fixedly installed on the bottom surface of the mobile vehicle, and a support frame is fixedly installed on one side of the mobile vehicle, and the support frame is fixedly installed on the PLC controller.
[0010] As a further solution of the present invention, a counterweight plate is fixedly mounted on the top surface of the mobile vehicle, and one side of the counterweight plate is fixedly mounted to the third drive motor.
[0011] As a further solution of the present invention, a fixing seat is fixedly installed on the top surface of the counterweight plate.
[0012] As a further solution of the present invention, a battery is fixedly installed on the bottom surface of the mobile vehicle, and the battery is electrically connected to the PLC controller.
[0013] As a further solution of the present invention, a protective cover is fixedly installed on one side of the mobile vehicle, and the protective cover is electrically connected to the PLC controller.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] By coordinating the use of the mobile cart, clamping frame, electric hoist, fixed plate, guide wheel, fixing groove, threaded column and first drive motor, the workpiece on the lathe can be transferred. When the workpiece is transferred, the electric hoist is used to lift it, and the clamping frame is used to clamp and limit it to prevent shaking. After the electric hoist lifts the workpiece, the workpiece will not fall due to insufficient clamping force, thus avoiding accidents. The mobile cart is moved and steered by the rotating wheels, the second drive motor and the third drive motor to move and transfer the workpiece, which saves effort, has good practicality and is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of a CNC lathe loading and unloading device proposed by the utility model;
[0017] Figure 2This is a schematic diagram of the structure of an electric hoist for a CNC lathe loading and unloading device proposed in the utility model;
[0018] Figure 3 This is a schematic diagram of the support frame structure of a CNC lathe loading and unloading device proposed by the utility model;
[0019] Figure 4 for Figure 3 Schematic diagram of the local structure of A;
[0020] Figure 5 for Figure 3 Schematic diagram of the local structure of B.
[0021] In the figure: 1. Mobile vehicle; 2. Clamping frame; 3. Electric hoist; 4. Fixed plate; 5. Guide wheel; 6. Fixing groove; 7. Threaded column; 8. First drive motor; 9. Mobile plate; 10. Threaded hole; 11. Support frame; 12. Fixing hole; 13. Rotating frame; 14. Rotating wheel; 15. Second drive motor; 16. Third drive motor; 17. Universal wheel; 18. Counterweight plate; 19. Fixed seat; 20. Battery; 21. Protective cover; 22. Limiting ring. DETAILED DESCRIPTION
[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; 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 internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0025] Reference Figure 1-Figure 5A loading and unloading device for a CNC lathe includes a mobile car 1, a clamping frame 2 is provided on one side of the mobile car 1, a PLC controller is provided on the other side of the mobile car 1, and a discharge assembly for unloading the workpiece. The discharge assembly is provided on the top surface of the mobile car 1, and the discharge assembly includes: an electric hoist 3, the electric hoist 3 is fixedly installed on the top surface of the mobile car 1, and the electric hoist 3 is electrically connected to the PLC controller. The discharge assembly also includes a fixed plate 4 fixedly installed on one side of the mobile car 1, and a plurality of guide wheels 5 are fixedly installed on one side of the fixed plate 4. 4 is fixedly installed on one side of the vehicle 1, and the steel cable of the electric hoist 3 is placed upward on the inside of the guide wheel 5 and passes through the inside of the limit ring 22. The top surface of the mobile vehicle 1 is provided with two fixed grooves 6, and the internal movability of the fixed groove 6 is connected with a movable plate 9. The top surface of the movable plate 9 is provided with a threaded hole 10, and the inner circular wall surface of the threaded hole 10 is threadedly connected with a threaded column 7. Two first drive motors 8 are fixedly installed on the top surface of the mobile vehicle 1. The first drive motor 8 is electrically connected to the PLC controller, and the bottom surface of the drive shaft of the first drive motor 8 is fixedly installed with the threaded column 7.
[0026] In this embodiment, a fixing hole 12 is provided on the top surface of the mobile vehicle 1, and a rotating frame 13 is movably connected to the inner circular wall surface of the fixing hole 12. A first circular through hole is provided on both sides of the rotating frame 13, and a rotating wheel 14 is movably connected to the inner circular wall surface of the first circular through hole. A second drive motor 15 is fixedly installed on one side of the rotating frame 13, and the second drive motor 15 is electrically connected to the PLC controller. One end of the drive shaft of the second drive motor 15 is fixedly installed with the rotating wheel 14, and a third drive motor 16 is provided on the top surface of the mobile vehicle 1, and the third drive motor 16 is electrically connected to the PLC controller. The bottom surface of the drive shaft is fixedly installed on the rotating frame 13, two universal wheels 17 are fixedly installed on the bottom surface of the mobile vehicle 1, a support frame 11 is fixedly installed on one side of the mobile vehicle 1, and the support frame 11 is fixedly installed on the PLC controller, a counterweight plate 18 is fixedly installed on the top surface of the mobile vehicle 1, one side of the counterweight plate 18 is fixedly installed on the third drive motor 16, and a fixing seat 19 is fixedly installed on the top surface of the counterweight plate 18, a battery 20 is fixedly installed on the bottom surface of the mobile vehicle 1, and the battery 20 is electrically connected to the PLC controller, a protective cover 21 is fixedly installed on one side of the mobile vehicle 1, and the protective cover 21 is electrically connected to the PLC controller.
[0027] From the above description, it can be seen that the above-mentioned embodiment of the present invention achieves the following technical effects: through the provision of the mobile trolley 1, when the user needs to unload the workpiece on the lathe, the workpiece is tied with a strap so that it can be lifted by the electric hoist 3, and then the user sits on the top surface of the fixed seat 19, holds the support frame 11, starts the second drive motor 15 to drive the rotating wheel 14 to drive the mobile trolley 1 to move, and drives the rotating frame 13 to rotate by the provision of the third drive motor 16 to make the mobile trolley 1 turn, thereby supporting the two sides of the mobile trolley 1 through the provision of the two universal wheels 17, thereby moving the mobile trolley 1 to one side of the machine tool, and then, starts the first drive motor 8 to drive the threaded column 7 to rotate, so that the threaded column 7 and the threaded hole 10 convert the rotational motion into linear motion, so that the clamping frame 2 moves upward to the top of the machine tool table (the clamping frame 2 is the same as the clamping mechanism in the reference document, and the prior art will not be repeated), starts the mobile trolley 1 so that the two clamping frames 2 are on both sides of the workpiece, and then, starts The electric hoist 3 hooks the hook on the strap to lift the workpiece, and then starts the clamping frame 2 to clamp the workpiece so that the workpiece will not shake. Therefore, the second drive motor 15 is started to make the rotating wheel 14 drive the rotating frame 13 and the mobile car 1 to move, and the workpiece is moved to the place where it needs to be placed and put down, thereby completing the unloading of the workpiece. While transporting the workpiece, the top surface of the mobile car 1 is counterweighted by the counterweight plate 18 and the human body, and the steel cable of the electric hoist 3 is protected by the protective cover 21, thereby comprehensively achieving the effect of transporting the workpiece on the lathe. When the workpiece is transported, the electric hoist 3 is used to lift it, and the clamping frame 2 is used to clamp and limit it to prevent shaking. After the electric hoist 3 is lifted, the workpiece will not fall due to insufficient clamping force, thereby avoiding accidents. The mobile car 1 is moved and turned by the rotating wheel 14, the second drive motor 15 and the third drive motor 16 to move and transport the workpiece, saving effort, good practicality and convenient use.
[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A loading and unloading device for a CNC lathe, comprising a mobile vehicle (1), a clamping frame (2) being provided on one side of the mobile vehicle (1), and a PLC controller being provided on the other side of the mobile vehicle (1), characterized in that: It also includes a discharge assembly for discharging workpieces, the discharge assembly being arranged on the top surface of the mobile vehicle (1), the discharge assembly comprising: an electric hoist (3), the electric hoist (3) being fixedly mounted on the top surface of the mobile vehicle (1), and the electric hoist (3) being electrically connected to the PLC controller.
2. A CNC lathe loading and unloading device according to claim 1, characterized in that: The unloading assembly also includes a fixed plate (4) fixedly mounted on one side of the mobile vehicle (1), a plurality of guide wheels (5) fixedly mounted on one side of the fixed plate (4), a limit ring (22) fixedly mounted on one side of the fixed plate (4), the steel cable of the electric hoist (3) is upwardly placed inside the guide wheel (5) and passes through the inside of the limit ring (22), the top surface of the mobile vehicle (1) is provided with two fixed grooves (6), the interior of the fixed grooves (6) is movably sleeved with a mobile plate (9), the top surface of the mobile plate (9) is provided with a threaded hole (10), the inner circular wall surface of the threaded hole (10) is threadedly connected with a threaded column (7), the top surface of the mobile vehicle (1) is fixedly mounted with two first drive motors (8), the first drive motor (8) is electrically connected to the PLC controller, and the bottom surface of the drive shaft of the first drive motor (8) is fixedly mounted on the threaded column (7).
3. A CNC lathe loading and unloading device according to claim 2, characterized in that: The top surface of the mobile vehicle (1) is provided with a fixing hole (12), the inner circular wall surface of the fixing hole (12) is movably connected to a rotating frame (13), and first circular through holes are respectively provided on both sides of the rotating frame (13), the inner circular wall surface of the first circular through hole is movably connected to a rotating wheel (14), and a second driving motor (15) is fixedly installed on one side of the rotating frame (13), the second driving motor (15) is electrically connected to the PLC controller, and one end of the driving shaft of the second driving motor (15) is connected to the rotating wheel (14). The mobile vehicle (1) is fixedly mounted on the rotating wheel (14); a third drive motor (16) is provided on the top surface of the mobile vehicle (1); the third drive motor (16) is electrically connected to the PLC controller; the bottom surface of the drive shaft of the third drive motor (16) is fixedly mounted on the rotating frame (13); two universal wheels (17) are fixedly mounted on the bottom surface of the mobile vehicle (1); a support frame (11) is fixedly mounted on one side of the mobile vehicle (1); the support frame (11) is fixedly mounted on the PLC controller.
4. A CNC lathe loading and unloading device according to claim 3, characterized in that: A counterweight plate (18) is fixedly mounted on the top surface of the mobile vehicle (1), and one side of the counterweight plate (18) is fixedly mounted to the third drive motor (16).
5. A CNC lathe loading and unloading device according to claim 4, characterized in that: A fixing seat (19) is fixedly mounted on the top surface of the counterweight plate (18).
6. The CNC lathe loading and unloading device according to claim 1, characterized in that: A storage battery (20) is fixedly mounted on the bottom surface of the mobile vehicle (1), and the storage battery (20) is electrically connected to the PLC controller.
7. The CNC lathe loading and unloading device according to claim 1, characterized in that: A protective cover (21) is fixedly mounted on one side of the mobile vehicle (1), and the protective cover (21) is electrically connected to the PLC controller.
Citation Information
Patent Citations
Numerical control lathe loading and unloading device
CN221696157U