CN220547654U - Milling machine for spline shaft - Google Patents

Abstract

The utility model discloses a spline shaft milling machine which comprises a machine case, wherein a machine tool and a partition plate are fixedly connected inside the machine case, an electric push rod is fixedly connected to the outer wall of the partition plate, a construction plate is fixedly connected to the outer wall of the output end of the electric push rod, a tailstock is fixedly connected to the top of the construction plate, a positioning column is rotatably connected to the outer wall of the tailstock, and two supports are fixedly connected to the top of the machine tool. According to the utility model, the support ring, the circular ring, the connecting rod, the U-shaped block and the rotating roller are arranged, so that the rotating roller is extruded onto the outer surface of a workpiece to perform the first-step positioning on the workpiece, and the rotating roller performs auxiliary support when the workpiece is processed, thereby facilitating the subsequent three-jaw chuck and the positioning column to limit the workpiece; one end of the workpiece is clamped through the operation of the three-jaw chuck, and the electric push rod is operated to enable the positioning column to be extruded to the center of the other end of the workpiece, so that the problem that rebound and deformation are easy to occur during the processing of the spline shaft is avoided.

Description

Milling machine for spline shaft

Technical Field

The utility model relates to the technical field of spline shaft processing equipment, in particular to a spline shaft milling machine.

Background

The spline shaft is mechanically driven, and has the same function as a flat key, a semicircular key and a wedge key, and is used for transmitting mechanical torque, a longitudinal key groove is formed in the outer surface of the shaft, and a rotating piece sleeved on the shaft is also provided with a corresponding key groove, so that synchronous rotation with the shaft can be kept; while rotating, some of the gears can also longitudinally slide on the shaft, such as gearbox shifting gears. When the spline shaft is processed, a workpiece is required to be clamped between the headstock and the tailstock, a milling head for installing the spline hob is usually positioned at the rear side of the workpiece, a hob main shaft is in motion communication with the workpiece main shaft, the spline shaft is processed according to a generating method, and the axial feeding along the workpiece is realized by the movement of a workbench or the milling head.

In the prior art, after a workpiece is clamped by a three-jaw chuck on a headstock and a positioning column of a tailstock, a milling head is used for continuously feeding the workpiece to open a groove on the surface of the workpiece, when the workpiece is clamped, a center bracket does not support and position the workpiece, the three-jaw chuck clamps one end of the workpiece, the other end of the workpiece is in a suspended state to be clamped, and when the positioning column of the tailstock does not extrude to the center point of the workpiece, the problem of rebound and deformation easily occurs when a spline shaft is machined, so that a spline shaft milling machine is provided for solving the problem.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a milling machine for a spline shaft.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a spline shaft milling machine, includes quick-witted case, the inside fixedly connected with lathe and baffle of machine case, the outer wall fixedly connected with electric putter of baffle, the outer wall fixedly connected with worker template of electric putter output, the top fixedly connected with tailstock of worker template, the outer wall rotation of tailstock is connected with the reference column, the top fixedly connected with two supports of lathe, the same holding ring of top fixedly connected with of two supports, the outer wall cover of holding ring is equipped with the ring, the outer wall of ring is equipped with supporting mechanism, the outer wall fixedly connected with motor of support, the outer wall fixedly connected with spur gear of motor output shaft, the outer wall fixed cover of ring is equipped with annular rack.

Preferably, the supporting mechanism comprises a plurality of U-shaped blocks, a plurality of back type blocks are evenly fixedly connected with the inner wall of the ring, T-shaped columns are connected to the inner wall of the back type blocks in a sliding mode, connecting rods are fixedly connected between the two T-shaped columns, one end of each connecting rod is fixedly connected with the outer wall of each U-shaped block, a plurality of grooves are formed in the outer wall of each supporting ring, the outer wall of each connecting rod is rotatably connected with the inner wall of each groove, rotating rollers are rotatably connected with the outer wall of each U-shaped block, workpieces are positioned through the rotating rollers, and the center points among the positioning columns, the supporting rings and the three-jaw chuck are located at the same horizontal position.

Preferably, a three-jaw chuck and a milling head are arranged in the machine case.

Preferably, the annular rack is connected with the spur gear in a meshed manner, the outer wall of the case is rotationally connected with the protective door, the spur gear is arranged to enable the annular rack to rotate, and the motor has a self-locking function.

Preferably, a chute is formed in the outer wall of the machine tool, the inner wall of the chute is slidably connected with the outer wall of the tailstock, and the tailstock is assisted to move through the chute.

Preferably, the outer wall of the case is provided with a discharge port.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the support ring, the circular ring, the connecting rod, the U-shaped block and the rotating roller are arranged, so that the rotating roller is extruded onto the outer surface of a workpiece to position the workpiece in advance, the rotating roller is used for supporting the workpiece in an auxiliary mode during processing, and the workpiece is conveniently limited by the follow-up three-jaw chuck and the positioning column; one end of the workpiece is clamped through the operation of the three-jaw chuck, and the electric push rod is operated to enable the positioning column to be extruded to the center of the other end of the workpiece, so that the problem that rebound and deformation are easy to occur during the processing of the spline shaft is avoided.

Drawings

Fig. 1 is a schematic perspective view of a milling machine for spline shafts according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a milling machine for spline shafts according to the present utility model;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 of a milling machine for a spline shaft according to the present utility model.

In the figure: 1. a chassis; 2. a machine tool; 3. a partition plate; 4. an electric push rod; 5. a tooling plate; 6. a tailstock; 7. positioning columns; 8. a three-jaw chuck; 9. a milling head; 10. a bracket; 11. a support ring; 12. a circular ring; 13. a connecting rod; 14. a U-shaped block; 15. a rotating roller; 16. a motor; 17. spur gears; 18. an annular rack; 19. a loop-shaped block; 20. a protective door.

Detailed Description

The utility model provides a shown by fig. 1-3, relate to a spline shaft milling machine, including quick-witted case 1, the inside fixedly connected with lathe 2 of quick-witted case 1 and baffle 3, the outer wall fixedly connected with electric putter 4 of baffle 3, the outer wall fixedly connected with worker board 5 of electric putter 4 output, the top fixedly connected with tailstock 6 of worker board 5, electric putter 4 operation makes worker board 5 and tailstock 6 remove, the spout has been seted up to the outer wall of lathe 2, the inner wall of spout and the outer wall sliding connection of tailstock 6, the supplementary tailstock 6 of spout removes.

The outer wall rotation of tailstock 6 is connected with reference column 7, and reference column 7 carries out spacingly to the one end of work piece, and the internally mounted of quick-witted case 1 has three-jaw chuck 8 and cutter head 9, and two supports 10 of the top fixedly connected with of lathe 2, the same supporting ring 11 of top fixedly connected with of two supports 10, the outer wall cover of supporting ring 11 is equipped with ring 12, and the outer wall of ring 12 is equipped with supporting mechanism.

The outer wall of the bracket 10 is fixedly connected with a motor 16, the outer wall of the output shaft of the motor 16 is fixedly connected with a spur gear 17, the outer wall of the circular ring 12 is fixedly sleeved with an annular rack 18, and the annular rack 18 is meshed with the spur gear 17. The straight gear 17 rotates through the motor 16, the straight gear 17 rotates to enable the annular rack 18 to rotate, the annular rack 18 rotates to enable the annular 12 to rotate, the outer wall of the machine case 1 is rotationally connected with the protective door 20, and the outer wall of the machine case 1 is provided with the discharge hole.

The supporting mechanism comprises a plurality of U-shaped blocks 14, a plurality of back-shaped blocks 19 are uniformly and fixedly connected to the inner wall of the circular ring 12, T-shaped columns are slidably connected to the inner wall of the back-shaped blocks 19, connecting rods 13 are fixedly connected between the two T-shaped columns, and the T-shaped columns slide in the back-shaped blocks 19 when the connecting rods 13 rotate.

One end of the connecting rod 13 is fixedly connected with the outer wall of the U-shaped block 14, a plurality of grooves are formed in the outer wall of the supporting ring 11, the outer wall of the connecting rod 13 is rotationally connected with the inner wall of the grooves, the connecting rod 13 rotates at the joint of the connecting rod 13 and the grooves, the outer wall of the U-shaped block 14 is rotationally connected with the rotating roller 15, and the rotating roller 15 is used for supporting and positioning a workpiece in an auxiliary mode.

Working principle: when the three-jaw chuck is used, a workpiece to be machined passes through the support ring 11 and is positioned among the rotating rollers 15, one end of the workpiece passes through the three-jaw chuck 8, the motor 16 is operated to enable the spur gear 17 to rotate, the spur gear 17 is rotated to enable the annular rack 18 to rotate, the annular rack 18 is rotated to enable the annular ring 12 to rotate, the annular ring 12 is rotated to enable the connecting rod 13 to rotate around the connecting position between the groove and the connecting rod 13, the rear end of the connecting rod 13 slides in the back-shaped block 19, the front end U-shaped block 14 of the connecting rod 13 is rotated inwards, the U-shaped block 14 is rotated inwards to enable the rotating rollers 15 to be extruded onto the outer surface of the workpiece to position the rotating rollers, the three-jaw chuck 8 is operated to clamp one end of the workpiece, the electric push rod 4 is operated to enable the template 5 and the tailstock 6 to move rightwards, the positioning column 7 is extruded onto the center position of the other end of the workpiece, and meanwhile, the rotating rollers 15 support the workpiece in an auxiliary mode during machining, and the problem that rebound and deformation are easy to occur during machining of a spline shaft is avoided.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.

Claims (6)

1. The utility model provides a spline shaft milling machine, includes quick-witted case (1), its characterized in that, inside fixedly connected with lathe (2) and baffle (3) of machine case (1), the outer wall fixedly connected with electric putter (4) of baffle (3), the outer wall fixedly connected with worker board (5) of electric putter (4) output, the top fixedly connected with tailstock (6) of worker board (5), the outer wall rotation of tailstock (6) is connected with reference column (7), the top fixedly connected with two supports (10) of lathe (2), the same holding ring (11) of top fixedly connected with of two supports (10), the outer wall cover of holding ring (11) is equipped with ring (12), the outer wall of ring (12) is equipped with supporting mechanism, the outer wall fixedly connected with motor (16) of support (10), the outer wall fixedly connected with spur gear (17) of motor (16) output shaft, the outer wall fixed cover of ring (12) is equipped with annular rack (18).

2. The spline shaft milling machine according to claim 1, wherein the supporting mechanism comprises a plurality of U-shaped blocks (14), a plurality of return-type blocks (19) are uniformly and fixedly connected to the inner wall of the circular ring (12), T-shaped columns are slidably connected to the inner wall of the return-type blocks (19), a connecting rod (13) is fixedly connected between the two T-shaped columns, one end of the connecting rod (13) is fixedly connected with the outer wall of the U-shaped blocks (14), a plurality of grooves are formed in the outer wall of the supporting ring (11), the outer wall of the connecting rod (13) is rotatably connected with the inner wall of the grooves, and a rotating roller (15) is rotatably connected to the outer wall of the U-shaped blocks (14).

3. A spline shaft milling machine according to claim 1, wherein the machine box (1) is internally provided with a three-jaw chuck (8) and a milling head (9).

4. A milling machine for spline shafts according to claim 1, characterized in that the annular rack (18) is in meshed connection with the spur gear (17), and the outer wall of the machine case (1) is rotatably connected with a protective door (20).

5. A milling machine for spline shafts according to claim 1, characterized in that the outer wall of the machine tool (2) is provided with a chute, the inner wall of which is in sliding connection with the outer wall of the tailstock (6).

6. The spline shaft milling machine according to claim 1, wherein the outer wall of the machine case (1) is provided with a discharge opening.