CN2762926Y - Numerical control and high speed rotating type cutting saw - Google Patents

Abstract

CNC high-speed rotary cut-off saw, including driving servo motor, transmission shaft, planetary gear, internal gear, gear frame, transmission shaft gear, main shaft, main shaft gear, rotary table, electric main shaft servo motor and electrical control system, the transmission shaft is set on On the bearing seat and the rotary table, the rotary table is set on the transmission box, the planetary gear meshes with the internal gear, the gear frame is set on the transmission shaft, the transmission shaft gear meshes with the pinion gear and the main shaft gear respectively, and the rotary table rotates around the drive The electric spindle servo motor rotates around the main shaft, and rotates around the transmission shaft in the opposite direction to the rotary table, so that the electric spindle servo motor drives the saw blade to move in parallel, so as to realize fast cutting of the welded pipe. The utility model has the advantages of simple and novel structure, fixed CNC high-speed rotary automatic cut-off saw with high ruler accuracy, high production efficiency and low production cost, suitable for cut-to-length automatic production line of welded pipes and quick cut-off of short pipes.

Description

CNC high-speed rotary cut-off saw

technical field

The utility model belongs to the high-speed cutting saw technology for welded pipes, in particular to a numerical control high-speed rotary cutting saw.

Background technique

At present, the automatic production line of welded pipes usually adopts the flying saw machine to cut to length. Due to the complex structure and heavy volume of the flying saw machine, and the fast movement speed of the saw car, the saw car has a large inertia and severe impact. In order to improve the sizing accuracy of cutting welded pipes, DC motor frequency conversion speed regulation and a more complicated servo control system are usually used, which in turn results in a complex structure, high cost and difficult maintenance of the flying saw machine.

Utility model content

The purpose of this utility model is to solve the technical problems existing in the existing welded pipe cutting equipment, and to provide a numerically controlled high-speed rotary automatic cutting saw with simple and novel structure, high sizing precision, high production efficiency and low production cost, which is suitable for the automatic production line of welded pipes Cutting to length and quick cutting of short tubes.

The utility model comprises a driving servo motor, a transmission shaft, a planetary gear, an internal gear, a planetary gear shaft, a gear rack, a pinion, a transmission shaft gear, a bed, a transmission box, a main shaft, a main shaft gear, a rotary table, and an electric main shaft servo Motor and electrical control system, the drive servo motor is fixed on the support frame through the flange, the support frame is fixed on the transmission box, the drive servo motor drives the drive shaft through the synchronous belt, the lower end of the drive shaft is set in the bearing seat through the bearing, and the upper end Fixed on the rotary table, the rotary table is set on the transmission box through the bearing, the bearing seat is fixed under the transmission box, the planetary gear shaft is set on the gear frame through the bearing, the planetary gear is fixed on the planetary gear shaft, and It meshes with the internal gear fixed in the transmission box. The gear frame is set on the transmission shaft through the bearing and the bearing seat. The transmission shaft gear fixed on the transmission shaft meshes with the pinion gear and the main shaft gear respectively. The main shaft is set on the gear frame and the main shaft through the bearing. On the rotary table, the pinion gear and the main shaft gear are respectively fixed on the planetary gear shaft and the main shaft, the motor support is fixed on the upper end of the main shaft, the electric spindle servo motor is arranged on the motor support, and the electric main shaft is provided with a saw blade. The rotary table rotates around the transmission shaft, and the electric spindle servo motor rotates around the main shaft, and rotates around the transmission shaft in the opposite direction to the rotary table, so that the electric spindle servo motor drives the saw blade to move in parallel, so as to realize the rapid cutting of the welded pipe.

The utility model has the advantages of simple and novel structure, high sizing precision, high production efficiency, low production cost, etc., and is suitable for sizing cutting of welded pipe automatic production line and fast cutting of short pipes.

Description of drawings

Fig. 1 is the structural representation of machine tool of the present utility model;

In the figure: 1 drive servo motor, 2 supporting frame, 3 flange plate, 4 synchronous belt, 5 transmission shaft, 6 bearing seat, 7 planetary gear, 8 internal gear, 9 planetary gear shaft, 10 gear carrier, 11 pinion, 12 transmission shaft gear, 13 bed, 14 transmission box, 15 main shaft, 16 main shaft gear, 17 rotary table, 18 motor support, 19 saw blade, 20 electric main shaft servo motor.

Detailed ways

As shown in the figure, the structure of the utility model will be further described in conjunction with the embodiments.

As shown in Figure 1, a CNC high-speed rotary automatic cut-off saw, including a drive servo motor 1, a support frame 2, a flange 3, a synchronous belt 4, a drive shaft 5, a bearing seat 6, a planetary gear 7, and an internal gear 8 , planetary gear shaft 9, gear frame 10, pinion 11, transmission shaft gear 12, bed 13, transmission box 14, main shaft 15, main shaft gear 16, rotary table 17, motor support 18, saw blade 19, electric The main shaft servo motor 20 and the electrical control system, the drive servo motor 1 is fixed on the support frame 2 with screws through the flange plate 3, the support frame 2 is fixed on the transmission box 14 by bolts, the drive servo motor 1 shaft and the transmission shaft 5 The lower end of each is fixed with a synchronous pulley, and the synchronous belt 4 is arranged between the two synchronous pulleys, and the drive servo motor 1 drives the transmission shaft 5 through the synchronous belt 4. The lower end of transmission shaft 5 is arranged in the bearing block 6 by bearing, and its upper end is fixed on the rotary table 17 by lock nut, and rotary table 17 is arranged on the transmission case 14 by bearing. The bearing seat 6 is fixed on the bottom of the transmission case 14 by screws, and the planetary gear shaft 9 is arranged on the gear carrier 10 through bearings, and is fixed by end covers at both ends. The planetary gear 7 is fixed on the planetary gear shaft 9 and meshes with the internal gear 8 fixed in the transmission case 14 . The gear carrier 10 is arranged on the transmission shaft 5 through the bearing and the bearing seat 6, and the transmission shaft gear 12 fixed on the transmission shaft 6 meshes with the pinion 11 and the main shaft gear 16 respectively, and the main shaft 15 is arranged on the gear carrier 10 and rotates through the bearing. On the stage 17, the pinion gear 11 and the main shaft gear 16 are respectively fixed on the planetary gear shaft 9 and the main shaft 15. The motor support 18 is fixed on the upper end of the main shaft 15 through a nut, the electric spindle servo motor 20 is arranged on the motor support 18 , and the electric main shaft is provided with a saw blade 19 .

The working process of the utility model tool is: the rotary table 17 rotates around the transmission shaft 5, the electric spindle servo motor 20 rotates around the main shaft 15, and rotates around the transmission shaft 5 in the opposite direction to the rotary table 17, through a certain speed relationship. The electric spindle servo motor 20 drives the saw blade 19 to move in translation, so as to realize fast cutting of the welded pipe. The movement track of the saw blade 19 is a trigonometric function curve. During the cutting process, the welded pipe moves linearly at a certain speed. The rotational speed of the rotary table 17 should be the same as the rotational speed of the electric spindle of the saw blade and the movement speed of the cut welded pipe, that is for the dynamic tracking process. Cutting starts when the speed of the servo motor with the saw blade is the same as the moving speed of the welded pipe.

Claims (1)

1. CNC high-speed rotary cut-off saw, characterized in that it includes a driving servo motor, a transmission shaft, a planetary gear, an internal gear, a planetary gear shaft, a gear frame, a pinion, a transmission shaft gear, a bed, a transmission box, a main shaft, Spindle gear, rotary table, electric spindle servo motor and electrical control system, the drive servo motor is fixed on the support frame through the flange, the support frame is fixed on the transmission box, the drive servo motor drives the drive shaft through the synchronous belt, the drive shaft The lower end is set in the bearing seat through the bearing, the upper end is fixed on the rotary table, the rotary table is set on the transmission box through the bearing, the bearing seat is fixed under the transmission box, and the planetary gear shaft is set on the gear frame through the bearing. The planetary gear is fixed on the planetary gear shaft and meshes with the internal gear fixed in the transmission box. The gear frame is set on the transmission shaft through the bearing and the bearing seat. The transmission shaft gear fixed on the transmission shaft is connected with the pinion gear and the main shaft gear respectively. meshing, the main shaft is set on the gear frame and the rotary table through the bearing, the pinion and the main shaft gear are respectively fixed on the planetary gear shaft and the main shaft, the motor support is fixed on the upper end of the main shaft, and the electric main shaft servo motor is set on the motor support. The electric spindle is provided with a saw blade.

Images