Feeding and discharging device for numerical control lathe

Abstract

The feeding and discharging device comprises a working table, a rotating cylinder is rotationally arranged on the working table, a rotating table is fixedly arranged at the top of the rotating cylinder, two clamping assemblies are arranged on the rotating table, and each clamping assembly comprises two fixing plates, two clamping plates and two supporting rods. The two fixing plates are fixedly arranged on the rotating table, the two clamping plates are slidably arranged on the rotating table, the two supporting rods are fixed to the two clamping plates respectively, and the ends, away from the clamping plates, of the two supporting rods penetrate through the fixing plates. A workpiece is located below the numerical control lathe body, feeding is completed, at the moment, another workpiece is placed on the rotating table, the workpiece is also clamped through the two clamping plates, after the previous workpiece is machined, the next workpiece continues to be machined, and at the moment, the machined workpiece can be discharged; and feeding machining and discharging of the workpiece are carried out at the same time, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerically controlled lathes, and in particular relates to a loading and unloading device for numerically controlled lathes. Background Art

[0002] CNC lathes and turning centers are high-precision and high-efficiency automated machine tools. Equipped with a multi-station turret or a power turret, the machine tool has a wide range of processing performance, can process linear cylinders, oblique cylinders, arcs and various threads, grooves, worms and other complex workpieces, has linear interpolation, circular interpolation and various compensation functions, and has played a good economic effect in the mass production of complex parts. The utility model relates to an automatic loading and unloading device for precision CNC lathes.

[0003] Patent No.: CN219665886U discloses an automatic loading and unloading device for a precision CNC lathe. During the loading and unloading process of the utility model, the moving parts are firmly connected, are not easily misplaced, and are convenient for transportation.

[0004] However, the above patent still has the following shortcomings: during the loading and unloading process of the above patent, the operation can only be performed separately, and loading and unloading cannot be performed at the same time, resulting in low processing efficiency. Utility Model Content

[0005] In view of the above problems, the utility model provides a loading and unloading device for a CNC lathe.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a loading and unloading device for a CNC lathe comprises a worktable, a rotating cylinder is rotatably arranged on the worktable, a rotating groove adapted to the rotating cylinder is opened on the worktable, a rotating table is fixedly arranged on the top of the rotating cylinder, a motor is fixedly arranged on the bottom of the worktable, a transmission assembly for driving the rotating cylinder to rotate is arranged on the output end of the motor, two groups of clamping assemblies are arranged on the rotating table, the two groups of clamping assemblies each comprise two fixed plates, two clamping plates and two support rods, the two fixed plates are fixedly arranged on the rotating table, the two clamping plates are slidably arranged on the rotating table, the two support rods are respectively fixed to the two clamping plates, the ends of the two support rods away from the clamping plates both penetrate the fixed plates, the outer sides of the two support rods are sleeved with springs, baffles are fixedly arranged on one side of the two clamping plates, support plates are fixedly arranged on the one side of the two clamping plates away from the baffle, screws are threadedly connected to the two support plates, and side plates are fixedly arranged on the ends of the two screws close to the clamping plates, and a CNC lathe body is fixedly arranged on the worktable.

[0007] Preferably, a plurality of annularly distributed balls are provided at the bottom of the rotating cylinder, and the plurality of balls are in contact with the bottom of the rotating groove.

[0008] Preferably, the transmission assembly includes a gear and a gear ring, the gear is fixed to the output end of the motor, the gear ring is fixedly arranged on the outer periphery of the rotating cylinder, and the gear and the gear ring are meshingly connected.

[0009] Preferably, a limiting ring is fixedly provided on the inner wall of the rotating cylinder, and a limiting groove matched with the limiting ring is provided on the side wall of the rotating groove of the working table.

[0010] Preferably, a pull ring is provided at one end of the support rod passing through the fixed plate, and a rotating wheel is provided at one end of the screw rod away from the side plate.

[0011] Preferably, the CNC lathe body is arranged across the rotating table.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Place the workpiece between the two clamping plates. The two clamping plates are driven to clamp the workpiece by the restoring force of the two springs. The two side plates are driven to move by rotating the two screws so that the two side plates contact the side ends of the workpiece. The side ends of the workpiece are then clamped by the side plates and baffles to improve the stability of the workpiece clamping.

[0014] 2. The motor drives the gear to rotate, and the gear drives the gear ring and the rotating cylinder to rotate, and then drives the rotating table to rotate. At this time, the workpiece is under the main body of the CNC lathe, and the loading is completed. At this time, another workpiece is placed on the rotating table, and the workpiece is clamped by two clamps. After the previous workpiece is processed, continue to process the next workpiece. At this time, the processed workpiece can be unloaded. By controlling the rotating table to rotate 180° each time, the loading and unloading of the workpiece can be carried out simultaneously, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic structural diagram of the overall cross-section of the utility model;

[0017] Figure 3 This is a structural schematic diagram of the rotating drum and the upper end of the rotating table of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the bottom of the rotating cylinder and the rotating table of the utility model.

[0019] In the figure: 1. workbench; 2. rotating cylinder; 3. rotating groove; 4. rotating table; 5. motor; 6. fixed plate; 7. clamping plate; 8. support rod; 9. spring; 10. baffle; 11. support plate; 12. screw; 13. side plate; 14. CNC lathe body; 15. ball bearing; 16. gear; 17. gear ring; 18. limit ring; 19. pull ring; 20. rotating wheel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A loading and unloading device for a CNC lathe comprises a workbench 1, a rotating cylinder 2 is rotatably arranged on the workbench 1, a rotating groove 3 adapted to the rotating cylinder 2 is opened on the workbench 1, a rotating table 4 is fixedly arranged on the top of the rotating cylinder 2, a motor 5 is fixedly arranged on the bottom of the workbench 1, a transmission assembly for driving the rotating cylinder 2 to rotate is arranged at the output end of the motor 5, the transmission assembly comprises a gear 16 and a ring gear 17, the gear 16 is fixed to the output end of the motor 5, the ring gear 17 is fixedly arranged on the outer periphery of the rotating cylinder 2, and the gear 16 and the ring gear 17 are meshed and connected.

[0022] Specifically, the motor 5 drives the gear 16 to rotate, and the gear 16 drives the gear ring 17 and the rotating cylinder 2 to rotate, thereby driving the rotating platform 4 to rotate.

[0023] In addition, a plurality of annularly distributed balls 15 are provided at the bottom of the rotating drum 2 , and the plurality of balls 15 are in contact with the bottom of the rotating groove 3 . By providing the plurality of balls 15 , the resistance to the rotation of the rotating drum 2 is reduced.

[0024] In addition, a limit ring 18 is fixedly provided on the inner wall of the rotating cylinder 2 , and a limit groove matched with the limit ring 18 is opened on the side wall of the rotating groove 3 of the workbench 1 .

[0025] Furthermore, two groups of clamping assemblies are provided on the rotating table 4, and the two groups of clamping assemblies include two fixed plates 6, two splints 7 and two support rods 8. The two fixed plates 6 are fixedly provided on the rotating table 4, and the two splints 7 are slidably provided on the rotating table 4. The two support rods 8 are respectively fixed to the two splints 7, and the ends of the two support rods 8 away from the splints 7 pass through the fixed plate 6. Springs 9 are sleeved on the outside of the two support rods 8, and the two ends of the springs 9 are respectively fixed to the fixed plate 6 and the splints 7, and a pull ring 19 is provided at one end of the support rod 8 passing through the fixed plate 6.

[0026] Specifically, the workpiece is placed on the rotating table 4, and the two pull rings 19 are pulled to both sides to drive the two support rods 8 and the two clamping plates 7 to move, so that the workpiece is placed between the two clamping plates 7, and the two clamping plates 7 are clamped by the restoring force of the two springs 9.

[0027] Furthermore, a baffle 10 is fixedly provided on one side of the two splints 7, a support plate 11 is fixedly provided on the side of the two splints 7 away from the baffle 10, screws 12 are threadedly connected to the two support plates 11, side plates 13 are fixedly provided on one end of the two screws 12 close to the splint 7, and a rotating wheel 20 is provided on the end of the screw 12 away from the side plate 13.

[0028] Specifically, by rotating the two screw rods 12, the two side plates 13 are driven to move, so that the two side plates 13 abut against the side ends of the workpiece, and then the side ends of the workpiece are clamped by the side plates 13 and the baffle 10, thereby improving the stability of the workpiece clamping.

[0029] Finally, a CNC lathe body 14 is fixedly arranged on the workbench 1 , and the CNC lathe body 14 is arranged across the rotating table 4 .

[0030] The operating principle of the utility model is described as follows: the workpiece is placed on the rotating table 4, and the two pull rings 19 are pulled to both sides to drive the two support rods 8 and the two clamping plates 7 to move, so that the workpiece is placed between the two clamping plates 7, and the two clamping plates 7 are clamped by the restoring force of the two springs 9, and the two side plates 13 are driven to move by rotating the two screw rods 12, so that the two side plates 13 are against the side ends of the workpiece, and then the side ends of the workpiece are clamped by the side plates 13 and the baffle 10, thereby improving the stability of the workpiece clamping. The motor 5 drives the gear 16 to rotate, and the gear 16 drives the gear ring 17 and the rotating cylinder 2 to rotate, and then drives the rotating table 4 to rotate, so that the rotating table 4 rotates 180°. At this time, the workpiece is under the CNC lathe body 14, and the loading is completed. At this time, another workpiece is placed on the rotating table 4, and the workpiece is clamped by two clamps 7. After the previous workpiece is processed, the rotating table 4 is rotated 180° to continue processing the next workpiece. At this time, the processed workpiece can be unloaded, and another workpiece can be placed on the rotating table 4. By controlling the rotating table 4 to rotate 180° each time, the loading and unloading of the workpiece can be carried out simultaneously, thereby improving the processing efficiency.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A loading and unloading device for a CNC lathe, comprising a workbench (1), characterized in that: A rotating cylinder (2) is rotatably arranged on the workbench (1), a rotating groove (3) adapted to the rotating cylinder (2) is provided on the workbench (1), a rotating table (4) is fixedly arranged on the top of the rotating cylinder (2), a motor (5) is fixedly arranged on the bottom of the workbench (1), a transmission component for driving the rotating cylinder (2) to rotate is arranged at the output end of the motor (5), and two groups of clamping components are arranged on the rotating table (4), and the two groups of clamping components each include two fixed plates (6), two clamping plates (7) and two support rods (8), the two fixed plates (6) are fixedly arranged on the rotating table (4), and the two clamping plates (7) are slidably arranged. The two support rods (8) are respectively fixed to the two clamping plates (7); the ends of the two support rods (8) away from the clamping plates (7) penetrate the fixed plate (6); the outer sides of the two support rods (8) are sleeved with springs (9); one side of the two clamping plates (7) is fixedly provided with a baffle plate (10); the side of the two clamping plates (7) away from the baffle plate (10) is fixedly provided with a support plate (11); the two support plates (11) are threadedly connected with screw rods (12); the ends of the two screw rods (12) close to the clamping plates (7) are fixedly provided with side plates (13); and a CNC lathe body (14) is fixedly provided on the workbench (1).

2. A loading and unloading device for a CNC lathe according to claim 1, characterized in that: A plurality of annularly distributed balls (15) are arranged at the bottom of the rotating cylinder (2), and the plurality of balls (15) are in contact with the bottom of the rotating groove (3).

3. The loading and unloading device for a CNC lathe according to claim 1, characterized in that: The transmission assembly comprises a gear (16) and a gear ring (17); the gear (16) is fixed to the output end of the motor (5); the gear ring (17) is fixedly arranged on the outer periphery of the rotating cylinder (2); and the gear (16) and the gear ring (17) are meshingly connected.

4. The loading and unloading device for a CNC lathe according to claim 1, characterized in that: A limiting ring (18) is fixedly arranged on the inner wall of the rotating cylinder (2), and a limiting groove matching the limiting ring (18) is opened on the side wall of the rotating groove (3) of the working table (1).

5. The loading and unloading device for a CNC lathe according to claim 1, characterized in that: The support rod (8) passes through the fixed plate (6) and is provided with a pull ring (19) at one end thereof, and the screw rod (12) is provided with a rotating wheel (20) at one end thereof away from the side plate (13).

6. The loading and unloading device for a CNC lathe according to claim 1, characterized in that: The CNC lathe body (14) is arranged across the rotating table (4).

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