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CN-224209602-U - Precise surface grinding machine of air suction rotary table

CN224209602UCN 224209602 UCN224209602 UCN 224209602UCN-224209602-U

Abstract

The utility model relates to the technical field of grinding machines, in particular to an air suction rotary table precision surface grinding machine which comprises a workbench, wherein a linear motion module is arranged on the workbench, a carriage is arranged on the linear motion module, a supporting seat is arranged on the carriage, a rotary driving assembly is arranged on the supporting seat, an air suction carrier is connected to the rotary driving assembly, a supporting ring is rotationally connected to the bottom of the air suction carrier, the supporting ring is fixedly connected to the supporting seat, a negative pressure generating assembly connected with the air suction carrier is further arranged on the supporting seat, a plurality of annular divergent negative pressure holes are formed in the surface of the air suction carrier, and a self-adaptive suction nozzle assembly is fixedly arranged in the negative pressure holes.

Inventors

  • LIU ZHAOYONG
  • YANG YUCHAO
  • SHI LEI
  • GU QINGLONG
  • YANG FUYU

Assignees

  • 郎溪署光立磨机械设备有限公司

Dates

Publication Date
20260508
Application Date
20250609

Claims (8)

  1. 1. The air suction turntable precision surface grinding machine comprises a workbench (1) and is characterized in that a linear motion module (2) is installed on the workbench (1), a carriage (3) is installed on the linear motion module (2), a supporting seat (4) is installed on the carriage (3), a rotary driving component (5) is installed on the supporting seat (4), an air suction carrier (7) is connected to the rotary driving component (5), a supporting ring (6) is rotationally connected to the bottom of the air suction carrier (7), the supporting ring (6) is fixedly connected in the supporting seat (4), a negative pressure generating component (8) connected with the air suction carrier (7) is further installed on the supporting seat (4), a plurality of annular divergent negative pressure holes (702) are formed in the surface of the air suction carrier (7), a self-adaptive suction nozzle component (9) is fixedly arranged in the negative pressure holes (702), a stand column (10) is also installed on the workbench (1), and a grinding head component (11) is arranged on the stand column (10); The self-adaptive suction nozzle assembly (9) comprises two groups of springs (901) arranged on the side wall of the negative pressure hole (702), the two groups of springs (901) are symmetrically arranged, one ends of the two groups of springs (901) are connected with sealing blocks (902) which are movably arranged in the negative pressure hole (702), a sleeve (903) fixedly connected in the negative pressure hole (702) is arranged above the two sealing blocks (902), an inner hole is arranged in the sleeve (903), a thimble (904) is movably arranged in the inner hole, and a spherical block (905) is fixedly arranged at the bottom of the thimble (904).
  2. 2. The precision surface grinder for an air suction turret according to claim 1, wherein the cross section of the sealing block (902) is right trapezoid.
  3. 3. The precise surface grinding machine for the air suction turntable of claim 1, wherein a guide block (906) is fixedly arranged on the outer wall of the thimble (904), and the guide block (906) is slidably arranged in a guide groove (9031) formed in the inner wall of the inner hole.
  4. 4. The air suction turntable precision surface grinding machine according to claim 1, characterized in that the bottom of the inner hole is provided with an inner spherical surface (9032) which is matched with the spherical block (905).
  5. 5. The precise surface grinding machine for the air suction turntable of claim 1, wherein the rotary driving assembly (5) comprises a motor (501) arranged on the supporting seat (4), a driving wheel (502) is fixedly arranged on an output shaft of the motor (501), the driving wheel (502) is in transmission connection with a driven wheel (504) through a belt (503), and the driven wheel (504) is fixedly connected to the bottom of the air suction carrier (7).
  6. 6. The precise surface grinding machine for the air suction turntable of claim 1, wherein the negative pressure generating assembly (8) comprises a vacuum pump (801) arranged on the supporting seat (4), a vacuum pipe (802) is connected to the vacuum pump (801), a vacuum degree detection meter (805) is arranged on the vacuum pipe (802), one end of the vacuum pipe (802) penetrates through the supporting seat (4) and is connected with a rotary joint (803), a connecting pipe (804) is connected to the rotary joint (803), and the connecting pipe (804) is fixedly connected to the center of the bottom of the air suction carrier (7).
  7. 7. The precise surface grinder of an air suction turntable according to claim 6, wherein a disk-shaped cavity (701) is formed in the air suction carrier (7), and the disk-shaped cavity (701) is communicated with the connecting pipe (804) and the negative pressure hole (702).
  8. 8. The precise surface grinder for an air suction turntable according to claim 6, wherein the bottom of the supporting ring (6) is provided with a notch (601) corresponding to the position of the vacuum tube (802).

Description

Precise surface grinding machine of air suction rotary table Technical Field The utility model relates to the technical field of grinding machines, in particular to a pneumatic turntable precision surface grinding machine. Background The precision surface grinder is fixed with a plurality of modes for workpieces and mainly comprises three modes of a clamp, an electromagnetic chuck and an air suction carrier. The traditional air suction carrier mainly relies on the principle of full-area continuous negative pressure adsorption, namely continuous air suction is carried out on negative pressure holes of a carrier surface array through a vacuum pump, and a workpiece is pressed and attached on the carrier by utilizing atmospheric pressure. The traditional full-open negative pressure structure requires that the workpiece completely covers the negative pressure hole to form effective sealing, but for special-shaped pieces (such as parts with grooves, steps and hollow structures) or small-size workpieces, the uncovered negative pressure hole can cause integral negative pressure leakage and absorption force reduction, further cause processing vibration or workpiece displacement to cause flatness error, and the partial open negative pressure structure needs to be adjusted according to the sizes of the parts each time, so that the problem of complex operation exists. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a pneumatic turntable precision surface grinder, which solves the technical problems that the existing surface grinder is difficult to automatically match with a workpiece and realize adsorption. In order to solve the technical problems, the utility model provides the technical scheme that the pneumatic turntable precision surface grinding machine comprises a workbench, wherein a linear motion module is arranged on the workbench, a carriage is arranged on the linear motion module, a supporting seat is arranged on the carriage, a rotary driving component is arranged on the supporting seat, a pneumatic carrier is connected to the rotary driving component, a supporting ring is rotationally connected to the bottom of the pneumatic carrier and fixedly connected to the supporting seat, a negative pressure generating component connected with the pneumatic carrier is also arranged on the supporting seat, a plurality of annular divergent negative pressure holes are formed in the surface of the pneumatic carrier, a self-adaptive suction nozzle component is fixedly arranged in the negative pressure holes, a stand column is also arranged on the workbench, and a grinding head component is arranged on the stand column; The self-adaptive suction nozzle assembly comprises two groups of springs arranged on the side wall of the negative pressure hole, the two groups of springs are symmetrically arranged, one ends of the two groups of springs are connected with sealing blocks which are movably arranged in the negative pressure hole, a sleeve fixedly connected in the negative pressure hole is arranged above the two sealing blocks, an inner hole is arranged in the sleeve, a thimble is movably arranged in the inner hole, and a spherical block is fixedly arranged at the bottom of the thimble. Preferably, the cross section of the sealing block is right trapezoid. Preferably, a guide block is fixedly arranged on the outer wall of the thimble, and the guide block is slidably arranged in a guide groove formed in the inner wall of the inner hole. Preferably, the bottom of the inner hole is provided with an inner spherical surface matched with the spherical block. Preferably, the rotary driving assembly comprises a motor arranged on the supporting seat, a driving wheel is fixedly arranged on an output shaft of the motor, the driving wheel is in transmission connection with a driven wheel through a belt, and the driven wheel is fixedly connected to the bottom of the air suction carrier. Preferably, the negative pressure generating assembly comprises a vacuum pump arranged on the supporting seat, a vacuum pipe is connected to the vacuum pump, a vacuum degree detection meter is arranged on the vacuum pipe, one end of the vacuum pipe penetrates through the supporting seat and is connected with a rotary joint, a connecting pipe is connected to the rotary joint, and the connecting pipe is fixedly connected to the center of the bottom of the air suction carrier. Preferably, a disc-shaped cavity is formed in the air suction carrier, and the disc-shaped cavity is communicated with the connecting pipe and the negative pressure hole. Preferably, a notch corresponding to the position of the vacuum tube is formed at the bottom of the supporting ring. By means of the technical scheme, the utility model provides the air suction turntable precision surface grinding machine, which has at least the following beneficial effects: 1. This accurate surface grinding machine of air-aspiration revolving stage sets