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CN-224223335-U - Workpiece clamping device of numerical control lathe

CN224223335UCN 224223335 UCN224223335 UCN 224223335UCN-224223335-U

Abstract

The utility model belongs to the field of clamping equipment, in particular to a workpiece clamping device of a numerical control lathe, which comprises a control box, wherein a clamping table is fixedly arranged at the top of the control box, a plurality of driving grooves are formed in the top of the clamping table, a driving seat is slidably arranged in the driving grooves, a clamping seat for clamping a workpiece is arranged on one side of the driving seat through a detachable mechanism, a plurality of moving grooves are formed in the bottom of the clamping table, a moving seat is fixedly arranged on one side of the driving seat, the moving seat extends into the corresponding moving groove, a hydraulic cylinder is arranged at the bottom of the clamping table, a driving mechanism is arranged between the hydraulic cylinder and the plurality of moving seats, the driving mechanism comprises an extrusion plate and a hinging rod, and the extrusion plate is fixedly arranged on an output shaft of the hydraulic cylinder. The clamping device is reasonable in design, can conveniently replace the clamping seat to adapt to different workpieces, can clamp the workpieces through a simple and stable driving structure, can accurately control clamping force, ensures machining precision and workpiece safety, and improves working efficiency.

Inventors

  • Yang Xinpin
  • ZHOU KEPING
  • WANG WENJING
  • YANG YONGJIANG
  • DONG ZIXIA

Assignees

  • 温州市科瑞数控有限公司

Dates

Publication Date
20260512
Application Date
20250808

Claims (8)

  1. 1. The workpiece clamping device of the numerical control lathe is characterized by comprising a control box (101), wherein a clamping table (102) is fixedly arranged at the top of the control box (101), a plurality of driving grooves (103) are formed in the top of the clamping table (102), a driving seat (104) is slidably arranged in the driving grooves (103), and a clamping seat (105) for clamping a workpiece is arranged on one side of the driving seat (104) through a detachable mechanism; A plurality of movable grooves (401) are formed in the bottom of the clamping table (102), a movable seat (402) is fixedly arranged on one side of the driving seat (104), the movable seat (402) extends into the corresponding movable groove (401), a hydraulic cylinder (502) is arranged at the bottom of the clamping table (102), and a driving mechanism is arranged between the hydraulic cylinder (502) and the plurality of movable seats (402).
  2. 2. The workpiece clamping device of the numerically controlled lathe according to claim 1, wherein the driving mechanism comprises an extrusion plate (404) and a hinging rod (405), the extrusion plate (404) is fixedly installed on an output shaft of the hydraulic cylinder (502), the top of the extrusion plate (404) is hinged with a plurality of hinging rods (405), and the top end of the hinging rod (405) is hinged on the corresponding movable seat (402).
  3. 3. The workpiece clamping device of the numerically controlled lathe according to claim 1, wherein a mounting groove (501) is formed in the bottom of the clamping table (102), and the hydraulic cylinder (502) is fixedly mounted in the mounting groove (501).
  4. 4. The workpiece clamping device of the numerically controlled lathe according to claim 1, wherein a plurality of guide rods (403) are arranged on the inner wall of the bottom of the control box (101), the top ends of the guide rods (403) are fixedly arranged on the clamping table (102), and the extruding plate (404) is sleeved on the guide rods (403) in a sliding mode.
  5. 5. The workpiece clamping device of the numerically controlled lathe according to claim 1, wherein a T-shaped guide groove (201) with one side being an opening is formed in the top of the clamping seat (105), a plurality of T-shaped guide seats (202) are fixedly arranged on the top of the clamping table (102), and the T-shaped guide groove (201) is in sliding connection with the T-shaped guide seats (202).
  6. 6. The workpiece clamping device of the numerically controlled lathe according to claim 1, wherein the dismounting mechanism comprises a bolt groove (301), a threaded hole (302) and a fixing bolt (303), the bolt groove (301) is formed in the clamping seat (105), the threaded hole (302) is formed in the driving seat (104), and the fixing bolt (303) matched with the bolt groove (301) is installed in the threaded hole (302) in a threaded mode.
  7. 7. The workpiece clamping device of the numerically controlled lathe according to claim 1, wherein grooves are formed in one sides of the two opposite clamping seats (105), and pressure sensors are arranged in the grooves.
  8. 8. The workpiece clamping device of the numerically controlled lathe according to claim 1, wherein a controller is installed on one side of the control box (101), and electromagnetic valves and pressure sensors on the hydraulic cylinders (502) are electrically connected with the controller.

Description

Workpiece clamping device of numerical control lathe Technical Field The utility model relates to the technical field of clamping equipment, in particular to a workpiece clamping device of a numerical control lathe. Background The numerical control lathe is one of the numerical control lathes widely used at present, is mainly used for cutting processing of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can be used for grooving, drilling, reaming, boring and the like. In the process of machining a workpiece by a numerical control lathe, the workpiece is required to be fixed by a clamping device so as to ensure the machining precision and stability; When the existing workpiece clamping device of the numerically controlled lathe is used, some defects exist. On one hand, the clamping seats of many clamping devices are fixedly arranged, and workpieces with different sizes and shapes cannot be quickly replaced, so that the device is poor in universality and inflexible to use; On the other hand, when carrying out the centre gripping to the work piece, be difficult to accurate control clamping dynamics, the too loose work piece that probably leads to of centre gripping takes place the displacement in the course of working, influences machining precision, and the too tight then probably damages the work piece of centre gripping, brings the loss for production, consequently we propose a numerical control lathe work piece clamping device and are used for solving above-mentioned problem. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a workpiece clamping device of a numerical control lathe. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The workpiece clamping device of the numerical control lathe comprises a control box, wherein a clamping table is fixedly arranged at the top of the control box, a plurality of driving grooves are formed in the top of the clamping table, a driving seat is slidably arranged in the driving grooves, and a clamping seat for clamping a workpiece is arranged on one side of the driving seat through a detachable mechanism; The bottom of clamping platform has seted up a plurality of removal grooves, and one side fixed mounting of drive seat has the removal seat, and the removal seat extends to corresponding removal inslot, and the pneumatic cylinder is installed to the bottom of clamping platform, and is equipped with actuating mechanism between pneumatic cylinder and the a plurality of removal seats. Preferably, the driving mechanism comprises an extrusion plate and a hinging rod, the extrusion plate is fixedly arranged on an output shaft of the hydraulic cylinder, the top of the extrusion plate is hinged with a plurality of hinging rods, and the top ends of the hinging rods are hinged to the corresponding movable seats. Preferably, the bottom of clamping platform has seted up the mounting groove, and pneumatic cylinder fixed mounting is in the mounting groove. Preferably, a plurality of guide rods are arranged on the inner wall of the bottom of the control box, the top ends of the guide rods are fixedly arranged on the clamping table, and the extruding plate is sleeved on the guide rods in a sliding mode. Preferably, a T-shaped guide groove with one side being an opening is formed in the top of the clamping seat, a plurality of T-shaped guide seats are fixedly arranged on the top of the clamping table, and the T-shaped guide groove is in sliding connection with the T-shaped guide seats. Preferably, the dismounting mechanism comprises a bolt groove, a threaded hole and a fixing bolt, the clamping seat is provided with the bolt groove, the driving seat is provided with the threaded hole, and the fixing bolt matched with the bolt groove is installed in the threaded hole. Preferably, grooves are formed in one sides of the two opposite clamping seats, and pressure sensors are arranged in the grooves. Preferably, a controller is installed on one side of the control box, and the electromagnetic valve and the pressure sensor on the hydraulic cylinder are electrically connected with the controller. The utility model has the beneficial effects that: 1. By arranging the detachable mechanism, the clamping seat can be detached from the driving seat conveniently and rapidly, so that the proper clamping seat can be replaced conveniently according to workpieces with different sizes and shapes, the universality and the flexibility of the device are improved, and different processing requirements are met; 2. The driving mechanism is utilized, the movable seat is driven to move through the extrusion plate and the hinging rod under the action of the hydraulic cylinder, so that the driving seat and the clamping seat synchronously