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CN-121972969-A - Numerical control double-sided round bar slotting milling machine

CN121972969ACN 121972969 ACN121972969 ACN 121972969ACN-121972969-A

Abstract

The invention provides a numerical control double-sided round bar slotting milling machine, which belongs to the technical field of machine manufacturing and comprises a base and two machining cutting assemblies, wherein the upper surface of the base is provided with a transverse driving assembly and two longitudinal driving assemblies, the output end of the transverse driving assembly is provided with a movable seat, the two machining cutting assemblies are arranged at the output ends of the two longitudinal driving assemblies, the upper surface of the movable seat is provided with a plurality of three-jaw hydraulic chucks, and the upper side of each three-jaw hydraulic chuck is provided with a gantry fixing assembly. The invention is provided with a plurality of three-jaw hydraulic chucks and clamping and fixing assemblies, the three-jaw hydraulic chucks can be adapted to the bottom end fixing of round bars with different diameters, the clamping and fixing assemblies are used for fixing the top ends of the round bars, the bending problem of processing the slender round bars is solved, a plurality of one-time feeding is realized, multiple workpieces can be sequentially processed by matching with the transverse driving assembly and the two longitudinal driving assemblies, the production efficiency is improved compared with that of the traditional single-side single-time processing equipment, and the processing cost is greatly reduced.

Inventors

  • TAN YUNHUA
  • PENG FANG
  • LI HUADONG

Assignees

  • 广东一思特机械制造有限公司

Dates

Publication Date
20260505
Application Date
20260312

Claims (10)

  1. 1. The numerical control double-sided round bar grooving milling machine is characterized by comprising a base (1) and two machining cutting assemblies (2), wherein the upper surface of the base (1) is provided with a transverse driving assembly (3) and two longitudinal driving assemblies (4), the output end of the transverse driving assembly (3) is provided with a movable seat (5), the two machining cutting assemblies (2) are arranged at the output ends of the two longitudinal driving assemblies (4), the upper surface of the movable seat (5) is provided with a plurality of three-jaw hydraulic chucks (6), and the upper side of each three-jaw hydraulic chuck (6) is provided with a gantry fixing assembly (7); The gantry fixing assembly (7) comprises a cross beam (8), two ends of the cross beam (8) are fixedly connected with vertical rods (9), the bottom ends of the vertical rods (9) are fixedly connected with a movable seat (5), a plurality of clamping fixing assemblies (10) are fixedly connected to the cross beam (8) and are provided with a plurality of mounting holes (11), the three-jaw hydraulic chuck (6) and the clamping fixing assemblies (10) are respectively used for fixing one end and the other end of a round rod, the transverse driving assembly (3) is used for enabling the round rod to be aligned with the machining cutting assembly (2), and the longitudinal driving assembly (4) is used for driving the machining cutting assembly (2) to machine the round rod.
  2. 2. The numerically controlled double-sided round bar slotting machine according to claim 1, wherein the machining cutting assembly (2) comprises a base (201) and a machining motor (202) mounted on the base (201), the output end of the machining motor (202) being mounted with a machining tool (203).
  3. 3. The numerical control double-sided round bar slotting milling machine according to claim 2, wherein the transverse driving assembly (3) comprises a transverse driving motor (301) and a transverse sliding rail (302), the transverse driving motor (301) is fixedly connected with the base (1), the output end of the transverse driving motor (301) is in threaded connection with the movable seat (5) through a screw rod, and the movable seat (5) is in sliding connection with the upper surface of the base (1) through the transverse sliding rail (302).
  4. 4. The numerical control double-sided round bar slotting milling machine according to claim 3, wherein the longitudinal driving assembly (4) comprises a longitudinal driving motor (401) and a longitudinal sliding rail (402), the longitudinal driving motor (401) is fixedly connected with the base (1), the output end of the longitudinal driving motor (401) is in threaded connection with the base (201) through a screw rod, and the base (201) is in sliding connection with the upper surface of the base (1) through the longitudinal sliding rail (402).
  5. 5. The numerical control double-sided round bar grooving milling machine according to claim 1, wherein the clamping and fixing assembly (10) comprises a vertical plate (1001) arranged on the rear side of the upper surface of the cross beam (8), the front side of the vertical plate (1001) is slidably connected with a movable plate (1002), the back side of the vertical plate (1001) is fixedly connected with two telescopic cylinders (1003), the output end of each telescopic cylinder (1003) is fixedly connected with the movable plate (1002), and the movable plate (1002) is fixedly connected with a clamping jaw cylinder (1004) corresponding to the mounting hole (11).
  6. 6. The numerical control double-sided round bar slotting milling machine according to claim 5, wherein the vertical plate (1001) is provided with an avoidance hole corresponding to the clamping jaw cylinder (1004), the back of the movable plate (1002) is fixedly connected with two sliding rods, the other ends of the sliding rods penetrate through the vertical plate (1001), and the sliding rods are in sliding connection with the vertical plate (1001).
  7. 7. The numerical control double-sided round bar slotting machine according to claim 6, characterized in that the mounting holes (11) penetrate through the upper and lower sides and the front side of the cross beam (8), and the mounting holes (11) are larger than the maximum clamping size of the three-jaw hydraulic chuck (6).
  8. 8. The numerical control double-sided round bar slotting machine according to claim 1, characterized in that the base (1) is of a cross-shaped structure, the sliding directions of the transverse driving component (3) and the two longitudinal driving components (4) intersect by ninety degrees.
  9. 9. The numerical control double-sided round bar slotting milling machine according to claim 8, wherein the front side and the rear side of the upper surface of the base (1) are provided with drainage grooves (21), the left side of the base (1) is fixedly connected with two drainage motors (22), the right side of the drainage grooves (21) penetrates through the right side of the base (1), a spiral auger (23) is arranged in the drainage grooves (21), and the output ends of the drainage motors (22) are fixedly connected with the spiral auger (23).
  10. 10. The numerical control double-sided round bar grooving milling machine according to claim 1, wherein the number of the clamping fixing assemblies (10) is two and are respectively arranged on the upper side and the lower side of the cross beam (8), the back of the vertical plate (1001) is fixedly connected with a connecting plate (1005), the cross beam (8) is of an L-shaped structure, the back of the cross beam is fixedly connected with a double-headed motor (1006) and two sliding rods (1007), the output end of the double-headed motor (1006) is fixedly connected with two lead screws (1008), the two lead screws (1008) and the two sliding rods (1007) penetrate through the connecting plate (1005), the two lead screws (1008) are opposite in thread direction and are in thread connection with the connecting plate (1005), and the sliding rods (1007) are in sliding connection with the connecting plate (1005).

Description

Numerical control double-sided round bar slotting milling machine Technical Field The invention belongs to the technical field of machine manufacturing, and particularly relates to a numerical control double-sided round bar slotting milling machine. Background In the field of mechanical manufacturing, bilateral symmetrical machining (such as spanner positioning, clamping grooves, drilling, tapping, chamfering and the like) of round bar workpieces is a core process in industries of hardware tools, transmission parts, automobile parts and the like, and has extremely high requirements on machining precision and production efficiency. The traditional processing mode mainly relies on common lathe, single-end milling machine or manually operated combination equipment, because single-side single-time processing is adopted, double-side working procedures can be completed only by repeated clamping and turning, synchronous processing of multiple workpieces is difficult to realize, the productivity of single equipment cannot be matched with the large-scale production requirement, positioning errors are easily generated by repeated clamping, symmetry and coaxiality of double-side characteristics (such as wrench positions and clamping grooves) are out of standard, and meanwhile, when an elongated round bar is processed, bending and vibration are easily generated due to the fact that the tail end is not effectively supported and the influence of cutting force is caused, so that uneven groove width and out of tolerance of surface roughness are caused. Disclosure of Invention (1) Technical problem to be solved Aiming at the defects of the prior art, the invention aims to provide a numerical control double-sided round bar grooving milling machine, so as to solve the problems that the existing processing mode mainly depends on a common lathe, a single-head milling machine or manually operated combined equipment, synchronous processing of multiple workpieces is difficult to realize, and meanwhile, when the slender round bar is processed, the tail end is not effectively supported, and is easy to be influenced by cutting force to generate bending and vibration, so that uneven groove width and out-of-tolerance surface roughness are caused. (2) Technical proposal In order to solve the technical problems, the invention provides a numerical control double-sided round bar slotting milling machine, which comprises a base and two machining cutting assemblies, wherein the upper surface of the base is provided with a transverse driving assembly and two longitudinal driving assemblies, the output end of the transverse driving assembly is provided with a movable seat, the two machining cutting assemblies are arranged at the output ends of the two longitudinal driving assemblies, the upper surface of the movable seat is provided with a plurality of three-jaw hydraulic chucks, and the upper side of each three-jaw hydraulic chuck is provided with a gantry fixing assembly; The gantry fixing assembly comprises a cross beam, two ends of the cross beam are fixedly connected with vertical rods, the bottom ends of the vertical rods are fixedly connected with a movable seat, a plurality of clamping fixing assemblies are fixedly connected to the cross beam and provided with a plurality of mounting holes, the three-jaw hydraulic chuck and the clamping fixing assemblies are respectively used for fixing one end and the other end of a round rod, the transverse driving assembly is used for enabling the round rod to be aligned with the machining cutting assembly, and the longitudinal driving assembly is used for driving the machining cutting assembly to machine the round rod. Preferably, the machining cutting assembly comprises a base and a machining motor mounted on the base, and a machining tool is mounted at an output end of the machining motor. Preferably, the transverse driving assembly comprises a transverse driving motor and a transverse sliding rail, the transverse driving motor is fixedly connected with the base, the output end of the transverse driving motor is in threaded connection with the movable seat through a screw rod, and the movable seat is in sliding connection with the upper surface of the base through the transverse sliding rail. Preferably, the longitudinal driving assembly comprises a longitudinal driving motor and a longitudinal sliding rail, the longitudinal driving motor is fixedly connected with the base, the output end of the longitudinal driving motor is in threaded connection with the base through a screw rod, and the base is in sliding connection with the upper surface of the base through the longitudinal sliding rail. Preferably, the clamping and fixing assembly comprises a vertical plate arranged on the rear side of the upper surface of the cross beam, the front side of the vertical plate is slidably connected with a movable plate, the back side of the vertical plate is fixedly connected with two telescopic cylinders, the