Bidirectional middle-drive main shaft clamping seat and driving motor thereof

Abstract

The driving motor comprises a base and a supporting seat, the base and the supporting seat are provided with mounting holes for mounting a motor rotor, a motor stator is fixed on the base, and two ends of the motor rotor penetrate through the base and the supporting seat. According to the utility model, the existing disc type motor mechanism is optimized, the adopted motor rotor is in a long shaft type design, and the operation stability is improved through the base and the supporting seat. Meanwhile, the two-way middle drive main shaft clamping base and the drive motor can be integrally packaged, and occupied space on a numerical control machine tool is reduced.

Description

Technical Field

[0001] The utility model belongs to the manufacturing technology of numerical control machine tool components, and specifically relates to a bidirectional center-drive spindle clamping seat and a driving motor thereof. Background Art

[0002] In the field of modern mechanical manufacturing and automation, the bidirectional spindle clamp is a clamping device widely used in various CNC machine tools, machining centers and automation equipment. Its main function is to fix the workpiece on the spindle through the clamping force to ensure the stability and accuracy of the machining process.

[0003] The existing spindle chuck also uses a motor for driving, but the motor used is a mature product. After the base is installed by bolts, the rotating shaft is connected to the rotating disk on the spindle chuck through a belt. There are also disc motors to reduce space occupation and improve the neatness of the equipment. However, both of them use mature motors, which are independent settings and are easily affected by the outside world or easily offset at the installation position of the base. Utility Model Content

[0004] The utility model aims to provide a bidirectional center-drive spindle clamp and a drive motor thereof, so as to optimize the assembly structure of a numerically controlled machine tool and improve the driving stability.

[0005] Technical solution: A driving motor for a bidirectional center-drive spindle clamp, which is used to control the rotation of a chuck in the clamp. The driving motor includes a base and a support base. The base and the support base are provided with mounting holes for installing a motor rotor. The motor stator is fixed on the base, and both ends of the motor rotor pass through the base and the support base.

[0006] In the above-mentioned driving motor, the base and the supporting base are axially arranged horizontally, and the supporting base is located on the base.

[0007] Furthermore, the motor stator is embedded with an electromagnetic coil for generating a magnetic field when energized;

[0008] The motor rotor is embedded with a permanent magnet or an induction coil.

[0009] The motor rotor and the motor stator are disc-type structures and have a planar disc shape.

[0010] Furthermore, a fixing plate is arranged between the motor stator and the support seat, and the fixing plate, the motor stator and the base constitute the main body of the driving motor, and the electronic rotor is arranged through the main body.

[0011] The mounting holes on the base and the support seat are provided with bearings.

[0012] Furthermore, a pulley is provided at the end of the motor rotor, and the pulley is connected to the chuck in the spindle clamp seat through a belt to drive the rotation of the chuck.

[0013] A bidirectional center-drive spindle clamp seat adopts the above-mentioned driving motor to drive the chuck in the spindle clamp seat to rotate, and includes arranging the driving motor in a packaging shell of the spindle clamp seat component.

[0014] Beneficial effects: The bidirectional center-drive spindle clamp and its drive motor provided by the utility model can be assembled in an integrated manner with the spindle clamp. Compared with the application of existing drive motors or disc motors on CNC machine tools, the utility model first optimizes the structure of the disc motor, reduces unnecessary housing components, and reduces the occupation of assembly space. Secondly, the motor stator and motor rotor are erected through the base and the support seat, and a through-type long shaft (motor rotor) is used to improve the heat dissipation capacity and drive stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the driving motor of the utility model;

[0016] Figure 2 It is a schematic diagram of the exploded structure of the driving motor of the utility model;

[0017] Figure 3 It is a schematic diagram of the assembly structure of the drive motor and the spindle clamp;

[0018] Figure 4 It is a schematic diagram of the utility model adopting an integrated packaging structure. DETAILED DESCRIPTION

[0019] In order to explain the technical solution provided by the utility model in detail, a further introduction is given below in conjunction with the accompanying drawings of the specification.

[0020] like Figure 1 and Figure 2As shown, the drive motor described in the utility model can be compared to a disc motor structure. The drive motor includes a base 1 and a support seat 5. The base 1 is used to be fixed on a machine tool. The base 1 and the support seat 5 are provided with mounting holes at the same horizontal position for mounting the motor rotor 4. The electronic rotor 4 adopts a long axis, that is, it passes through the mounting hole. The motor rotor 4 is located in the motor stator 2 in a plane disc shape. The motor stator 2 includes a coil embedded therein, which generates a magnetic field after being energized. The motor rotor 4 is embedded with a permanent magnet or an induction coil, which can rotate after being energized. The drive motor described in the utility model can be realized according to the control technology of the disc motor for the controller and circuit. It is further pointed out that in the assembly structure of the drive motor described in the utility model, a bearing can be provided in the mounting hole to reduce the wear of the motor rotor 4 caused by the rotation. For the motor stator 2, one side is in contact with the side of the base 1, and the other side is installed through a fixed disk 3. The fixed disk 3 can have a cylindrical body to penetrate into the mounting hole located on the support seat 5. A bearing 8 can also be provided in the mounting hole. A pulley 6 is fixed to the end of the motor rotor 4 , and washers 7 are arranged on both sides of the pulley 6 .

[0021] Figure 3 and Figure 4 The driving structure of the driving motor on the bidirectional driving clamp seat of the utility model is shown. The pulley 6 on the driving motor is connected to the chuck in the clamp seat through a belt to control the rotation of the chuck.

[0022] The utility model can package the components of the drive motor and the clamp seat in an integrated manner, and the belt is not easily disturbed by the outside world, so that the modular assembly of the clamp seat and the drive motor can be realized. In addition, for this design, the drive motor does not have a redundant housing design, and its heat dissipation effect is better. In combination with the water cooling system of the CNC machine tool, the cooling pipeline of the water cooling system can promptly take away the heat dissipated by the drive motor, and a heat dissipation fan at the end can be set in combination with the through-type motor rotor to improve the heat dissipation effect.

Claims

1. A driving motor for a bidirectional center-drive spindle clamp, which is used to control the rotation of a chuck in the clamp, characterized in that: The driving motor comprises a base (1) and a support base (5), wherein the base (1) and the support base (5) are provided with mounting holes for mounting a motor rotor (4), the motor stator (2) is fixed on the base (1), and the two ends of the motor rotor (4) penetrate the base (1) and the support base (5).

2. The driving motor for the bidirectional center-drive spindle clamp according to claim 1, characterized in that: The base (1) and the support seat (5) are axially arranged horizontally, and the support seat (5) is located on the base (1).

3. The driving motor for the bidirectional center-drive spindle clamp according to claim 1, characterized in that: The motor stator (2) is embedded with an electromagnetic coil for generating a magnetic field when energized; The motor rotor (4) is embedded with a permanent magnet or an induction coil.

4. The driving motor for the bidirectional center-drive spindle clamp according to claim 1, characterized in that: The motor rotor (4) and the motor stator (2) are disc-type structures and are in the shape of a flat disc.

5. The driving motor for the bidirectional center-drive spindle clamp according to claim 1, characterized in that: A fixing plate (3) is arranged between the motor stator (2) and the support seat (5); the fixing plate (3), the motor stator (2) and the base (1) constitute the main body of the driving motor; and the electronic rotor (4) is arranged through the main body.

6. The driving motor for the bidirectional center-drive spindle clamp according to claim 1, characterized in that: The mounting holes on the base (1) and the support seat (5) include bearings.

7. The driving motor for the bidirectional center-drive spindle clamp according to claim 1, characterized in that: A belt pulley (6) is provided at the end of the motor rotor (4), and the belt pulley (6) is connected to a chuck in a main shaft clamp seat via a belt, and is used to drive the rotation of the chuck.

8. A bidirectional center drive spindle clamp, characterized in that: The driving motor as claimed in any one of claims 1 to 7 is used to realize the rotation of the chuck in the spindle clamp seat, and includes arranging the driving motor in a packaging shell of the spindle clamp seat component.

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