A compact linear motor module and machine tool

Abstract

This utility model discloses a compact linear motor module and machine tool. The linear motor module includes a fixed part and a moving part that can move linearly relative to the fixed part. The fixed part includes a base and a motor stator horizontally mounted on the base, the motor stator having a U-shaped guide groove. The moving part includes: a motor mover inserted into the U-shaped guide groove of the motor stator; a linkage component including a connecting plate fixedly connected to the motor mover and a support plate located above the motor stator, the support plate being connected to the connecting plate; and a sliding support structure disposed between the support plate and the top side of the motor stator, used to provide sliding support for the linear movement of the moving part relative to the fixed part. The linear motor module has advantages such as smooth operation, compact overall structure, small size, and suitability for applications in confined spaces.

Description

Technical Field

[0001] This utility model relates to the field of motor technology, and in particular to a compact linear motor module and machine tool. Background Technology

[0002] Linear motors, also known as linear actuators, linear motors, or pushrod motors, offer advantages such as higher speed and precision compared to traditional motors, and are commonly used in high-end machine tools with stringent accuracy standards. The most common types of linear motors are flat plate, U-slot, and tubular structures. They typically consist of guide rails on both sides of the stator to cooperate with the mover for linear motion. This design makes it difficult to further reduce the overall size of linear motors, limiting the integration density of machine tools using them and making it challenging to meet the needs of applications in confined spaces. Utility Model Content

[0003] The present invention aims to provide a compact linear motor module and machine tool. The linear motor module has a compact overall structure and small size, which can meet the actual use needs in narrow processing spaces.

[0004] This utility model proposes a compact linear motor module, including a fixed part and a moving part that can move linearly relative to the fixed part. The fixed part includes a base 1 and a motor stator 2 horizontally mounted on the base 1. The motor stator 2 has a U-shaped guide groove 211, and the opening of the U-shaped guide groove 211 is located on the vertical side of the motor stator 2. The moving part includes: a motor mover 3 inserted into the U-shaped guide groove 211 of the motor stator 2; a linkage 4, including a connecting plate 41 fixedly connected to the motor mover 3 and a bearing plate 42 located above the motor stator 2, the bearing plate 42 being connected to the connecting plate 41; and a sliding support structure disposed between the bearing plate 42 and the top side of the motor stator 2, for providing sliding support for the linear movement of the moving part relative to the fixed part.

[0005] In some preferred embodiments, the sliding fit structure includes a sliding seat 62 fixed to the bottom side of the bearing plate 42 and a guide rail 61 fixed to the top side of the motor stator 2, with the sliding seat 62 and the guide rail 61 slidably connected.

[0006] In some preferred embodiments, the guide rail 61 is offset on the side of the centerline of the motor stator 2 away from the connecting plate 41.

[0007] In some preferred embodiments, the connecting plate 41 is vertically disposed on the vertical side of the sliding support structure.

[0008] In some preferred embodiments, the cross-sectional structure of the linkage 4 is an inverted L-shape, and the linkage 4 is a one-piece molded structure.

[0009] In some preferred embodiments, a first anti-collision block 5 is provided on the end side of the support plate 42.

[0010] In some preferred embodiments, the motor stator 2 is elongated; there are multiple moving parts, which are spaced apart and mounted on the motor stator 2.

[0011] In some preferred embodiments, the motor stator 2 is provided with second anti-collision blocks 82 at both ends in the length direction, and the second anti-collision blocks 82 are fixed to both ends of the base 1 by end side plates 81.

[0012] In some preferred embodiments, the moving part further includes a material loading assembly 7 fixed on the support plate 42, the material loading assembly 7 including a tooling plate 72 for fixing the workpiece.

[0013] This utility model also discloses a machine tool, which includes the aforementioned linear motor module.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] This utility model uses a motor stator horizontally mounted on a base, with a low overall height. A sliding support structure is set between the carrier plate of the linkage and the motor stator. Through the coordinated cooperation of the linkage and the sliding support structure, the motor mover drives the linkage to make a smooth linear motion relative to the motor stator. The overall structure is compact and the size is small, which makes the linear motor module suitable for applications in narrow spaces. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of one embodiment of a linear motor module.

[0017] Figure 2 This is a schematic diagram of the structure of a linear motor with the motor stator fixed on the base.

[0018] Figure 3 This is a schematic diagram of the motor mover of a linear motor.

[0019] Figure 4 This is a three-dimensional structural diagram of another embodiment of the linear motor module.

[0020] Figure 5 yes Figure 4 A schematic diagram of its decomposed structure.

[0021] The meanings of the labels in the diagram are as follows: 1-base; 2-motor stator; 21-stator housing; 211-U-shaped guide groove; 22-magnetic rail; 3-motor mover; 4-linkage component; 41-connecting plate; 42-bearing plate; 5-first anti-collision block; 61-guide rail; 62-sliding seat; 7-material loading assembly; 71-housing; 72-tooling plate; 73-vertical motor; 81-end side plate; 82-second anti-collision block. Detailed Implementation

[0022] To further illustrate the technical means and effects adopted by this application to achieve its intended purpose, the specific implementation methods, structures, features, and effects according to this application are described in detail below with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, specific features, structures, or characteristics in one or more embodiments can be combined in any suitable form.

[0023] Combination Figures 1-5 As shown, this utility model discloses a compact linear motor module, including a fixed part and a moving part that is driven by the fixed part and can move linearly relative to the fixed part.

[0024] Specifically, the fixed part includes a base 1 and a motor stator 2 horizontally mounted on the base 1. The motor stator 2 is elongated and is horizontally mounted on the base 1 so that the opening of the U-shaped guide groove 211 of the motor stator 2 faces the vertical side of the motor stator 2.

[0025] Typically, the motor stator 2 includes a stator housing 21 with a U-shaped cross-section and magnetic rails 22 fixed to the inner walls of the stator housing 21. The magnetic rails 22 are permanent magnets, and a U-shaped guide groove 211 is formed between the two magnetic rails 22. The cross-sectional shape of the U-shaped guide groove 211 is usually T-shaped.

[0026] The moving part includes a motor mover 3, a linkage 4, and a sliding support structure. The motor mover 3 typically has a T-shaped cross-section and is inserted into the U-shaped guide groove 211 of the motor stator 2. The linkage 4 includes a connecting plate 41 fixedly connected to the motor mover 3 and a bearing plate 42 located above the motor stator 2, with the bearing plate 42 connected to the connecting plate 41. The sliding support structure is disposed between the bearing plate 42 and the top side of the motor stator 2, providing sliding support for the linear movement of the moving part relative to the fixed part.

[0027] In a preferred embodiment, the sliding fit structure includes a sliding seat 62 fixed to the bottom side of the bearing plate 42 and a guide rail 61 fixed to the top side of the motor stator 2, with the sliding seat 62 and the guide rail 61 slidably connected.

[0028] Of course, other existing structures can also be used for the sliding fit structure, such as the air-floating fit structure, but the air-floating fit structure is relatively complex. Therefore, this utility model preferably adopts a sliding seat 62 and a guide rail 61.

[0029] The moving part also includes a material loading assembly 7 fixed on the support plate 42, which includes a tooling plate 72 for fixing the workpiece. Specifically, the material loading assembly 7 includes a housing 71 fixed on the support plate 42, and the tooling plate 72 is mounted on the housing 71. The moving part drives the material loading assembly 7 to perform linear motion as needed to deliver the workpiece to the required processing station.

[0030] Of course, in order to meet the actual needs of workpiece processing, the material loading assembly 7 also includes a vertical motor 73 fixed on the housing 71, and the tooling plate 72 is fixed on the output end of the vertical motor 73. The vertical motor 73 can drive the tooling plate 72 to make axial linear movement in the vertical direction, thereby adjusting the processing position of the workpiece at different heights during the processing as needed.

[0031] Since the motor stator 2 is horizontally mounted on the base 1, compared with the motor stator 2 being vertically mounted on the base 1, the linear motor module runs more smoothly. The height of the motor stator 2 is also lower, resulting in a smaller axial height of the linear motor module, which helps to improve the structural compactness of the linear motor module.

[0032] Meanwhile, since the motor stator 2 is horizontally mounted on the base 1 and the motor mover 3 is inserted into the U-shaped guide groove 211, with one end of the motor mover 3 protruding from the opening of the U-shaped guide groove 211, and the lower end of the connecting plate 41 is fixedly connected to the protruding end of the motor mover 3 in the U-shaped guide groove 211, the connecting plate 41 is vertically set on the vertical side of the sliding support structure, making the overall structure of the linear motor module compact and reducing the overall size so that the linear motor module can be applied in narrow application scenarios.

[0033] In addition, in order to further improve the smoothness of the linear motion of the motor mover 3 driving the material loading assembly 7 through the linkage 4, since the connecting plate 41 of the linkage 4 is located on the vertical side of the sliding support structure, the guide rail 61 is offset to the side of the center line of the motor stator 2 away from the connecting plate 41.

[0034] Preferably, the cross-sectional structure of the linkage 4 is an inverted L-shape, and the linkage 4 is a one-piece molded structure. The one-piece structure gives the linkage 4 high overall rigidity and strength, making it less prone to deformation, which is beneficial to improving the motion accuracy of the linear motor module.

[0035] Further integration Figures 4-5 The embodiment shown. Because this application uses a long, narrow motor stator 2, the linear motor module can be well adapted to narrow processing environments.

[0036] To improve the efficiency of using linear motor modules to transport workpieces and meet the practical need of transporting multiple workpieces simultaneously during processing, the number of moving parts can be multiple, for example... Figure 4 and Figure 5Two moving parts are installed on the motor stator 2. When multiple moving parts are used, they are installed on the motor stator 2 at intervals.

[0037] To improve the safety of the moving parts during linear reciprocating motion and to avoid collision damage or impact on motion accuracy, each moving part is provided with a first anti-collision block 5 on the end side of its respective bearing plate 42.

[0038] Of course, second anti-collision blocks 82 can also be provided on both ends of the motor stator 2 along its length. The second anti-collision blocks 82 are fixed to both ends of the base 1 by end side plates 81. The second anti-collision blocks 82 prevent the moving part from sliding out of the U-shaped guide groove 211 when it moves to the end of the motor stator 2, and also prevent the moving part from colliding with the end side of the base or other external objects when it moves to the end of the motor stator 2, thereby protecting the moving part from external interference.

[0039] This utility model also discloses a machine tool that uses the aforementioned linear motor module. The linear motor module provides linear reciprocating motion, which can drive the workpiece to the processing station during the machining process. The linear motor module has a compact overall structure and small size, which can especially meet the actual needs of use in narrow processing spaces.

[0040] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A compact linear motor module, comprising a fixed part and a moving part capable of linearly moving relative to the fixed part, the fixed part comprising a base (1) and a motor stator (2) horizontally mounted on the base (1), the motor stator (2) having a U-shaped guide groove (211) with the opening of the U-shaped guide groove (211) located on the vertical side of the motor stator (2); the moving part comprising a motor mover (3) inserted into the U-shaped guide groove (211) of the motor stator (2); characterized in that, The movement section also includes: The linkage component (4) includes a connecting plate (41) fixedly connected to the motor mover (3) and a bearing plate (42) located above the motor stator (2), with the bearing plate (42) connected to the connecting plate (41); A sliding support structure is provided between the top side of the bearing plate (42) and the motor stator (2) to provide sliding support for the linear movement of the moving part relative to the fixed part.

2. The linear motor module of claim 1, wherein The sliding fit structure includes a sliding seat (62) fixed on the bottom side of the bearing plate (42) and a guide rail (61) fixed on the top side of the motor stator (2). The sliding seat (62) and the guide rail (61) are slidably connected.

3. The linear motor module of claim 2, wherein, The guide rail (61) is offset on the side of the center line of the motor stator (2) away from the connecting plate (41).

4. The linear motor module of claim 1, wherein, The connecting plate (41) is vertically set on the vertical side of the sliding support structure.

5. The linear motor module of claim 1, wherein, The cross-sectional structure of the linkage component (4) is an inverted L-shape, and the linkage component (4) is an integrally formed structure.

6. The linear motor module of claim 1, wherein, The end side of the bearing plate (42) is provided with a first anti-collision block (5).

7. The linear motor module of claim 1, wherein, The motor stator (2) is long and narrow; there are multiple moving parts, which are installed at intervals on the motor stator (2).

8. The linear motor module of claim 1, wherein, The motor stator (2) is provided with second anti-collision blocks (82) at both ends in the length direction. The second anti-collision blocks (82) are fixed to both ends of the base (1) by end side plates (81).

9. The linear motor module according to any one of claims 1 to 8, characterized in that The moving part also includes a material loading assembly (7) fixed on a support plate (42), the material loading assembly (7) including a tooling plate (72) for fixing the workpiece.

10. A machine tool, characterized by Includes the linear motor module as described in any one of claims 1-9.

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