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CN-224223257-U - Four-axis turntable for numerical control machine tool

CN224223257UCN 224223257 UCN224223257 UCN 224223257UCN-224223257-U

Abstract

The utility model relates to the technical field of numerical control machine tools and discloses a four-axis turntable for a numerical control machine tool, which comprises an air cylinder, wherein a supporting plate is fixed on a telescopic shaft of the air cylinder, an adjusting plate which rotates along a vertical surface is rotatably arranged on the supporting plate, a horizontal rotating shaft is rotatably arranged on the supporting plate, the rotating shaft is in transmission fit with the adjusting plate through a transmission assembly, a mounting groove is formed in the supporting plate, the rotating shaft penetrates through the mounting groove, a clamping ring is fixedly sleeved on the rotating shaft, the clamping ring is positioned in the mounting groove, a plurality of clamping grooves are formed in the clamping ring along the radial direction of the rotating shaft and uniformly distributed along the circumferential direction of the rotating shaft, a double-lock clamping assembly is arranged on the supporting plate, and the double-lock clamping assembly is provided with two clamping ends which are in clamping and rotation limiting fit with the clamping grooves on the clamping ring. The double-lock clamping assembly is provided with the two clamping ends, and the rotation restriction on the rotating shaft can be released only if the two clamping ends are separated from the corresponding clamping grooves, so that the probability of error collision separation and the probability of production accidents are reduced, and meanwhile, the damage of a machine tool is effectively prevented.

Inventors

  • LIU CHENG
  • LV TINGTING

Assignees

  • 山东万庚装备科技有限公司

Dates

Publication Date
20260512
Application Date
20250611

Claims (8)

  1. 1. The four-axis turntable for the numerical control machine tool comprises an air cylinder (2) fixedly installed on the machine tool (1), a supporting plate (3) is fixedly arranged on a telescopic shaft of the air cylinder (2), an adjusting plate (7) rotating along a vertical surface is rotatably installed on the supporting plate (3), and the four-axis turntable is characterized in that: The supporting plate (3) is rotatably provided with a horizontal rotating shaft (4), and the rotating shaft (4) is in transmission fit with the adjusting plate (7) through a transmission assembly; The support plate (3) is provided with a mounting groove, the rotating shaft (4) penetrates through the mounting groove, the rotating shaft (4) is fixedly sleeved with a clamping ring (9), the clamping ring (9) is positioned in the mounting groove, the clamping ring (9) is provided with a plurality of clamping grooves (16) along the radial direction of the rotating shaft (4), and the clamping grooves (16) are uniformly distributed along the circumferential direction of the rotating shaft (4); The double-lock clamping assembly is arranged on the supporting plate (3) and is provided with two clamping ends, and the two clamping ends are matched with clamping grooves (16) on the clamping ring (9) in a clamping and rotation limiting manner.
  2. 2. The four-axis turntable for the numerical control machine tool is characterized in that the double-lock clamping assembly comprises two rotating rods (11) and two clamping blocks (14), two limiting sliding grooves are formed in the supporting plate (3) along the radial direction of the rotating shaft (4), the grooves of the two limiting sliding grooves are opposite, the mounting grooves are located between the two limiting sliding grooves and are communicated with the two limiting sliding grooves, one clamping block (14) is mounted in each limiting sliding groove in a limiting sliding mode, the two clamping blocks (14) serve as two clamping ends to be in clamping and rotation limiting fit with clamping grooves (16) in the clamping ring (9), the two rotating rods (11) are rotatably mounted in the mounting grooves, the two rotating rods (11) are in one-to-one correspondence with the two clamping blocks (14), one end of each rotating rod (11) is in transmission fit with the corresponding clamping block (14) through a linkage piece, the other end of each rotating rod (11) penetrates out of the supporting plate (3), and a spring (12) for rotating and resetting is fixedly arranged between each rotating rod (11) and the supporting plate (3).
  3. 3. The four-axis turntable for the numerical control machine tool according to claim 2 is characterized in that the linkage piece comprises a pushing shaft (13) and a chute (15), the chute (15) is a through groove and is arranged on a clamping block (14), the pushing shaft (13) is fixed on the rotating rod (11) and is parallel to the rotation central axis of the rotating rod (11), and the pushing shaft (13) penetrates through the chute (15) and is in limit sliding fit with the chute (15).
  4. 4. The four-axis turntable for the numerical control machine tool according to claim 2, wherein the support plate (3) is provided with a yielding groove for yielding the rotation of the rotating rod (11).
  5. 5. The four-axis turntable for the numerical control machine tool, which is disclosed in claim 1, is characterized in that the transmission assembly comprises a gear (5) and an arc-shaped rack (6), the arc-shaped rack (6) is fixed on the adjusting plate (7), the arc circle center of the arc-shaped rack (6) is positioned on the rotation central axis of the adjusting plate (7), the gear (5) is fixedly sleeved on the rotating shaft (4), and the gear (5) is meshed and matched with the arc-shaped rack (6).
  6. 6. The four-axis turntable for the numerical control machine tool according to claim 5 is characterized in that the supporting plate (3) is provided with a meshing through groove along the horizontal direction, the rotating shaft (4) penetrates through the meshing through groove, the gear (5) is positioned in the meshing through groove, and the arc-shaped rack (6) is in limit sliding fit with the meshing through groove.
  7. 7. The four-axis turntable for a numerical control machine tool according to claim 1, wherein an axial end of the rotating shaft (4) penetrates out of the supporting plate (3), and a hand wheel is coaxially fixed to the axial end.
  8. 8. The four-axis turntable for a numerical control machine tool according to claim 1, wherein the turntable body (8) is mounted on the adjusting plate (7).

Description

Four-axis turntable for numerical control machine tool Technical Field The utility model relates to the technical field of numerical control machine tools, in particular to a four-axis turntable for a numerical control machine tool. Background The numerical control machine tool is a short name of a numerical control machine tool, is an automatic machine tool provided with a program control system, is input into a numerical control device through an information carrier, and is operated to send various control signals by the numerical control device to control the action of the machine tool, so that parts are automatically machined according to the shape and the size required by a drawing. The numerical control four-axis turntable is a rotary workbench for a numerical control machine tool, can be arranged on a lathe bed, an upright post or an X/Y sliding plate of the machine tool, and realizes high-precision rotary motion through control of a numerical control system so as to finish machining of a workpiece. The four-axis turntable for the numerical control machine tool comprises a numerical control machine tool body, an adjusting assembly, a supporting plate, an adjusting plate, an arc plate, a rack and a gear, wherein the turntable body is arranged above the numerical control machine tool body, the adjusting assembly comprises the supporting plate, the adjusting plate, the arc plate, the rack and the gear, the supporting plate is arranged above the numerical control machine tool body, a fixing plate is fixedly arranged on one side of the supporting plate, two damping rotating shafts are fixedly arranged at the outer ends of the bottoms of the fixing plate, the other ends of the two damping rotating shafts are fixedly arranged at one end of the bottoms of the adjusting plate, the turntable body is fixedly arranged on the adjusting plate, the arc plate is fixedly arranged at the bottom of the adjusting plate, a through hole is formed in the supporting plate in a penetrating mode, the arc plate penetrates through the through hole in a sliding mode, the rack is fixedly arranged on the outer side of the arc plate, a shaft rod is rotatably arranged on the inner wall of the through hole, the other end of the shaft penetrates through one side of the supporting plate, the shaft penetrates through the gear to be fixedly arranged, a bolt is fixedly arranged on the outer side of the shaft, a sliding handle is fixedly arranged on the outer side of the shaft, one side of the supporting plate is fixedly arranged on the fixing plate, one side of the supporting plate is fixedly arranged on the clamping hole, and is matched with the bolt. Based on the technical characteristics, the existing four-axis turntable has the problems that after the horizontal or vertical state is adjusted, a crank is required to be fixed through a bolt, and because a workshop is complex, the single bolt is used for fixing the fault tolerance, the fault tolerance is low, the bolt is easy to bump by mistake, the bolt is separated from a clamping hole, the damage of a machine tool is easy to cause, and the production accident is easy to occur in serious cases. Therefore, it is necessary to solve the above problems by a four-axis turntable for a numerical control machine tool. Disclosure of utility model The utility model aims to provide a four-axis turntable for a numerical control machine tool, which aims to solve the problems in the background technology. The four-axis turntable for the numerical control machine tool comprises an air cylinder fixedly arranged on the machine tool, wherein a support plate is fixedly arranged on a telescopic shaft of the air cylinder, and an adjusting plate which rotates along a vertical surface is rotatably arranged on the support plate; The supporting plate is rotatably provided with a horizontal rotating shaft, and the rotating shaft is in transmission fit with the adjusting plate through a transmission assembly; the clamping ring is positioned in the mounting groove, a plurality of clamping grooves are formed in the clamping ring along the radial direction of the rotating shaft, and the clamping grooves are uniformly distributed along the circumferential direction of the rotating shaft; The support plate is provided with a double-lock clamping assembly, the double-lock clamping assembly is provided with two clamping ends, and the two clamping ends are matched with clamping grooves on the clamping rings in a clamping and rotation limiting manner. The double-lock clamping assembly comprises two rotating rods and two clamping blocks, wherein two limiting sliding grooves are formed in the supporting plate along the radial direction of the rotating shaft, the notch of each limiting sliding groove is opposite, the mounting groove is located between the two limiting sliding grooves and communicated with the two limiting sliding grooves, one clamping block is mounted in each limiting sliding groove in a limiting sliding mo