CN103219840A - Extrusion machine tool for motor rotor copper busbar - Google Patents

Abstract

A machine tool for extruding a copper bar of a motor rotor relates to an extruding machine tool, in particular to a machine tool for extruding a copper bar of a motor rotor. The invention aims to solve the problem that the traditional copper bar press-in method has been difficult to meet the precision requirement. The invention comprises a machine tool base, a rotor driving mechanism, a rotor support, a press knife support, a press knife and two hydraulic cylinders, the rotor support is installed in the middle of the upper surface of the machine tool base, the rotor is installed on the rotor support, and the rotor drive mechanism On the upper surface of the machine tool base, one end of the rotor shaft of the rotor is connected to the rotor driving mechanism, the press knife support is installed on the upper surface of the machine tool base, two hydraulic cylinders are installed side by side on the press knife support, and the upper end of the press knife It is connected with the push rods of two hydraulic cylinders, and the pressing knife is located above the rotor. The invention is used for processing motor rotors.

Description

A motor rotor copper bar extrusion machine tool

Background technique

The invention relates to an extrusion machine tool, in particular to an extrusion machine tool for a motor rotor copper bar.

Background technique

With the development of nuclear power technology, the technical requirements for pressing the copper bars of the motor rotor are getting higher and higher. The quality of the pressing of the copper bars directly determines the performance of the motor. The existing method is mainly to press in manually. Although this method can guarantee a certain accuracy, it cannot fully meet the required accuracy. In some cases, people are not allowed to enter the motor for operation, and it is difficult to ensure the accuracy in external operations. , the traditional press-in method has been difficult to meet the current demand.

Contents of the invention

In order to solve the problem that the traditional copper bar press-in method is difficult to meet the precision requirements, the present invention further proposes a motor rotor copper bar extrusion machine tool.

The technical scheme adopted by the present invention to solve the above-mentioned problems is: the present invention includes a machine tool base, a rotor drive mechanism, a rotor bracket, a press knife bracket, a press knife and two hydraulic cylinders, the rotor bracket is installed on the middle part of the upper surface of the machine tool base, and the rotor Installed on the rotor bracket, the rotor driving mechanism is installed on the upper surface of the machine tool base, one end of the rotor shaft of the rotor is connected with the rotor driving mechanism, the press knife bracket is installed on the upper surface of the machine tool base, two hydraulic cylinders They are installed side by side on the press knife bracket, the upper end of the press knife is connected with the push rods of two hydraulic cylinders, and the press knife is located above the rotor.

The beneficial effects of the present invention are: the rotor copper bar high-precision extrusion machine tool works under the PLC controller, and the copper bar can be evenly pressed into the rotor groove with a press knife after the initial copper bar is put in manually, and the copper bar can be uniformly pressed Each copper bar that is inserted is not only pressed into tightness, but also can ensure the stability and consistency of dimensional accuracy. During the press-in process, it can effectively prevent the precision error caused by the rotor rolling. The rotor protection frame can effectively restrain the precision error caused by the deformation of the electronic rotor during the press-in process. The high-precision motor is tightly connected with the rotor, and the torque output prevents the rotor from rotating. The groove position detection feedback control system monitors and adjusts the groove position in real time to ensure machining accuracy. The pressing knife can slide with the guide rail to adapt to motor rotors of different specifications.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention, and Fig. 2 is a front view of the present invention.

Detailed ways

Specific embodiment 1: This embodiment is described in conjunction with Fig. 1 and Fig. 2. A motor rotor copper bar extrusion machine tool described in this embodiment includes a machine base 1, a rotor driving mechanism, a rotor bracket 2, a press knife bracket 3, and a press knife 4 and two hydraulic cylinders 5, the rotor bracket 2 is installed in the middle of the upper surface of the machine tool base 1, the rotor 6 is installed on the rotor bracket 2, the rotor driving mechanism is installed on the upper surface of the machine tool base 1, and the rotor shaft of the rotor 6 One end of one end is connected with the rotor driving mechanism, the press knife support 3 is installed on the upper surface of the machine tool base 1, two hydraulic cylinders 5 are installed side by side on the press knife support 3, the upper end of the press knife 4 is connected with the two hydraulic cylinders The push rod of 5 is connected, and the pressing knife 4 is located above the rotor 6.

In this embodiment, the rotor driving mechanism is connected with the PLC control system, manually place the copper row on the rotor bracket 2, press the operation button, and the automatic rotation of the rotor 6 slots is controlled by the PLC, and the two hydraulic cylinders 5 push the pressing knife 4 Fasten and press the copper bars into the slots. After the extrusion is completed, the rotor rotates to the second slot according to the preset parameters, and repeats the extrusion work until the work of the entire rotor is completed. This embodiment can ensure that the copper bars and the rotor are The grooves are tightened, the indexing is accurate, and the scoring is evenly distributed, which improves the quality and service life of the rotor.

Specific Embodiment 2: This embodiment is described in conjunction with Fig. 1 and Fig. 2. The rotor driving mechanism of a motor rotor copper bar extrusion machine tool described in this embodiment includes a motor base 7, a reduction box 8 and a high-precision motor 9, and the motor base 7 is installed on the upper surface of the machine tool base 1, the reduction box 8 and the high-precision motor 9 are installed on the motor base 7, and the output shaft of the high-precision motor 9 is connected with one end of the rotor shaft of the rotor 6 through the reduction box 8.

The technical effect of this embodiment is: the high-precision motor 9 is tightly connected with the rotor 6, the torque output prevents the rotor 6 from rotating, and the error is reduced.

Other components and connections are the same as those in the first embodiment.

Specific embodiment three: This embodiment is described in conjunction with Fig. 1 and Fig. 2. The press tool bracket 3 of a motor rotor copper bar extrusion machine tool described in this embodiment includes a beam 3-1, two columns 3-2 and two Guide rail 3-3, two guide rails 3-3 are arranged side by side and parallel on the upper surface of the machine tool base 1, and the rotor drive mechanism and rotor support 2 are located between the two guide rails 3-3, and the two columns 3-2 are side by side and parallel The lower end of each column 3-2 is slidably connected to a corresponding guide rail 3-3, and the upper end of each column 3-2 is respectively connected to one end of the beam 3-1.

The technical effect of this embodiment is: the pressing knife 4 can follow the guide rail 3-3 to adapt to motor rotors of different specifications.

Other components and connections are the same as those in the first embodiment.

Specific Embodiment 4: This embodiment is described in conjunction with Fig. 1 and Fig. 2. A motor rotor copper bar extrusion machine tool described in this embodiment also includes a cylinder rotor positioning lifting platform 10 and a copper bar press-in protection frame 11, and the cylinder rotor positioning The lifting platform 10 is installed below the rotor 6 , the copper bar press-in protection frame 11 is installed on the cylinder rotor positioning lifting platform 10 , and the copper bar pressing-in protection frame 11 is located between the cylinder rotor positioning lifting platform 10 and the rotor 6 .

The technical effect of this embodiment is: such arrangement can effectively prevent the precision error caused by the rolling of the rotor during the pressing process, and the rotor protection frame can effectively restrain the precision error caused by the deformation of the rotor during the pressing process.

Other components and connections are the same as those in the first embodiment.

Specific embodiment five: This embodiment is described in conjunction with Fig. 1 and Fig. 2. The motor rotor copper bar extrusion machine tool described in this embodiment also includes a rotor slot detector 12, and the rotor slot detector 12 is installed on the beam 3- 1 on.

The technical effect of this embodiment is: the rotor slot detector 12 monitors and adjusts the position of the slot in real time to ensure machining accuracy.

The other components and connections are the same as those in Embodiment 1, 2, 3 or 4.

Claims (5)

1. a rotor copper bar pushes lathe, it is characterized in that: described a kind of rotor copper bar extruding lathe comprises lathe base (1), rotor driven mechanism, rotor field spider (2), push type broach support (3), push type broach (4) and two oil hydraulic cylinders (5), rotor field spider (2) is installed in the middle part of lathe base (1) upper surface, rotor (6) is installed on the rotor field spider (2), described rotor driven mechanism is installed on lathe base (1) upper surface, one end of the armature spindle of rotor (6) is connected with described rotor driven mechanism, push type broach support (3) is installed on the upper surface of lathe base (1), two oil hydraulic cylinders (5) are installed on the push type broach support (3) side by side, the upper end of push type broach (4) is connected with the push rod of two oil hydraulic cylinders (5), and push type broach (4) is positioned at the top of rotor (6).

2. according to the described a kind of rotor copper bar extruding lathe of claim 1, it is characterized in that: described rotor driven mechanism comprises motor cabinet (7), reduction box (8) and high-precision motor (9), motor cabinet (7) is installed on the upper surface of lathe base (1), reduction box (8) and high-precision motor (9) are installed on the motor cabinet (7), and the output shaft of high-precision motor (9) is connected with an end of the armature spindle of rotor (6) by reduction box (8).

3. according to the described a kind of rotor copper bar extruding lathe of claim 1, it is characterized in that: push type broach support (3) comprises crossbeam (3-1), two columns (3-2) and two guide rails (3-3), two guide rails (3-3) are set in parallel on the upper surface of lathe base (1) side by side, and rotor driven mechanism and rotor field spider (2) all are positioned between two guide rails (3-3), two columns (3-2) be arranged in parallel side by side, the lower end of each column (3-2) is slidingly connected with a corresponding guide rail (3-3) respectively, and each is connected with an end of crossbeam (3-1) respectively in the upper end of each column (3-2).

4. according to the described a kind of rotor copper bar extruding lathe of claim 1; it is characterized in that: described a kind of rotor copper bar extruding lathe comprises that also cylinder rotary location lifting platform (10) and copper bar are pressed into fender bracket (11); cylinder rotary location lifting platform (10) is installed in the below of rotor (6); copper bar is pressed into fender bracket (11) and is installed on the cylinder rotary location lifting platform (10), and copper bar is pressed into fender bracket (11) and is positioned between cylinder rotary location lifting platform (10) and the rotor (6).

5. according to claim 1,2,3 or 4 described a kind of rotor copper bar extruding lathes, it is characterized in that: described a kind of rotor copper bar extruding lathe also comprises rotor cave detector (12), and rotor cave detector (12) is installed on the crossbeam (3-1).

Images