Swing head of numerical control machine tool

Abstract

The utility model discloses a numerical control machine tool swing head which comprises a machining device and a swing device. The machining device comprises a rotating motor, a first fluted disc and a tool beating mechanism, the rotating motor is provided with a tool mounting shaft, the tool mounting shaft is provided with a tool mounting hole used for mounting a tool, the first fluted disc is used for locking or loosening the tool mounting shaft, and the tool beating mechanism is used for pushing the tool out of the tool mounting hole to change the tool; the swing device comprises a swing motor and a second fluted disc, the swing motor is used for driving the machining device to swing, an output shaft of the swing motor is perpendicular to the rotating motor, and the second fluted disc is used for locking or loosening the output shaft of the swing motor. Therefore, the numerical control machine tool swing head has the advantages of small size, high power, high rigidity, high precision, reasonable structure, long service life and the like.

Description

Technical Field

[0001] The utility model relates to the field of numerical control machine tools, in particular to a swing head of a numerical control machine tool. Background Art

[0002] As key equipment for complex surface processing, the demand for five-axis CNC machine tools in the fields of aerospace, automotive molds, etc. is gradually increasing. As the core functional component of large five-axis linkage machine tools, the swing head has always been the focus of research by domestic and foreign machine tool manufacturers. However, the existing swing head drive mode is mainly driven by ordinary servo motor transmission chain, generally gear transmission and worm gear transmission, which is characterized by large transmission torque, but low precision, gap, mechanical wear, large size, and waste of effective machine tool travel. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a CNC machine tool swing head, which has the advantages of small size, high power, strong rigidity, high precision, reasonable structure, long life and the like.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A CNC machine tool swing head, comprising

[0006] A processing device, comprising a rotary motor, a first gear disc and a tool-beating mechanism, wherein the rotary motor has a tool mounting shaft, the tool mounting shaft is provided with a tool mounting hole for mounting a tool, the first gear disc is used to lock or loosen the tool mounting shaft, and the tool-beating mechanism is used to push the tool out of the tool mounting hole for tool replacement;

[0007] The swing device comprises a swing motor and a second gear plate, wherein the swing motor is used to drive the processing device to swing, the output shaft of the swing motor is perpendicular to the rotating motor, and the second gear plate is used to lock or loosen the output shaft of the swing motor.

[0008] According to the embodiment of the utility model, a CNC machine tool swing head has at least the following beneficial effects: the tool is installed through the tool installation hole on the tool installation shaft, the tool installation shaft is driven to rotate by the rotary motor, the swing mechanism can drive the processing device to swing through the swing motor, the second gear plate locks the output shaft of the swing motor, and the first gear plate locks the tool installation shaft to stop the processing process, and after the processing is completed, the tool can be pushed out of the installation hole through the tool beating mechanism to change the tool, and the tool change can be done manually or by the tool magazine mechanism. Therefore, it has the advantages of small size, high power, strong rigidity, high precision, reasonable structure, and long life.

[0009] According to some embodiments of the present invention, the rotary motor includes a first housing, a first stator and rotor arranged inside the first housing, and a tool mounting shaft arranged inside the first stator and rotor.

[0010] Advantageously, the rotary motor is arranged in this way to directly drive the tool mounting shaft to rotate, and the structure is compact and reliable.

[0011] According to some embodiments of the present utility model, the tool installation shaft is arranged through the first shell, the first toothed disc is arranged at the front end of the first shell, and the knife beating mechanism is arranged at the rear end of the first shell.

[0012] Advantageously, such a configuration is structurally reasonable and facilitates the operation of the first toothed disc and the knife-beating mechanism.

[0013] According to some embodiments of the utility model, bearings sleeved on the tool mounting shaft are further provided at the front and rear ends of the first housing.

[0014] It is beneficial to provide a bearing to support the tool mounting shaft, ensure stable rotation and improve machining accuracy.

[0015] According to some embodiments of the utility model, the knife-beating mechanism is arranged at the rear end of the first shell, and includes a cylinder and a push rod. The tool mounting hole passes through the tool mounting shaft, and the push rod is sleeved in the tool mounting hole.

[0016] The benefit is that the knife beating mechanism drives the push rod to move through the oil cylinder, thereby pushing the knife out of the knife installation shaft.

[0017] According to some embodiments of the present invention, the tool mounting hole includes a rear hole for accommodating the push rod and a front hole for mounting the tool.

[0018] Advantageously, the tool mounting hole is arranged in such a way that it is convenient to accommodate the push rod and install the tool.

[0019] According to some embodiments of the present invention, the swing motor includes a second housing, a second stator and rotor arranged inside the second housing, and an output shaft arranged inside the second stator and rotor, and the output shaft is connected to the first housing.

[0020] Advantageously, the swing motor is compact and reliable in structure, and the output shaft is connected to the first housing to drive the processing device to swing.

[0021] According to some embodiments of the present invention, the first housing and the output shaft are provided with a flange connection.

[0022] Advantageously, the first housing and the output shaft are connected via a flange for easy assembly and disassembly.

[0023] According to some embodiments of the present invention, the second toothed disc is arranged at the front end of the second housing.

[0024] Advantageously, the second gear disc is arranged at the front end of the second housing, which is conducive to locking the output shaft.

[0025] According to some embodiments of the present invention, a bearing is provided at the rear end of the second housing.

[0026] The benefit is that the bearing can provide support for the output shaft, ensure the stable rotation of the output shaft and improve the processing accuracy.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 A schematic diagram of an embodiment of the utility model;

[0030] Figure 2 for Figure 1 Schematic cross-sectional view of ;

[0031] Figure 3 for Figure 2 Schematic diagram of the processing device;

[0032] Figure 4 for Figure 2 Schematic diagram of the swing device.

[0033] Figure numerals: rotating motor 100, first gear disc 110, knife-beating mechanism 120, tool mounting shaft 130, tool mounting hole 140, swing motor 150, second gear disc 160, output shaft 170, first housing 180, first stator and rotor 190, bearing 200, cylinder 210, push rod 220, rear hole 230, front hole 240, second housing 250, second stator and rotor 260, flange 270. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0037] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0038] Reference below Figure 1-Figure 4 A swing head for a CNC machine tool is described in detail with a specific embodiment. It is worth noting that the following description is only an exemplary description and not a specific limitation of the utility model.

[0039] like Figure 1-Figure 4 As shown, a CNC machine tool swing head includes a processing device and a swing device.

[0040] Among them, the processing device includes a rotating motor 100, a first gear disc 110 and a knife-beating mechanism 120. The rotating motor 100 has a tool mounting shaft 130. The tool mounting shaft 130 is provided with a tool mounting hole 140 for mounting a tool. The first gear disc 110 is used to lock or loosen the tool mounting shaft 130. The knife-beating mechanism 120 is used to push the tool out of the tool mounting hole 140 to change the tool; the swinging device includes a swinging motor 150 and a second gear disc 160. The swinging motor 150 is used to drive the processing device to swing. The output shaft 170 of the swinging motor 150 is perpendicular to the rotating motor 100. The second gear disc 160 is used to lock or loosen the output shaft 170 of the swinging motor 150. The tool is installed through the tool installation hole 140 on the tool installation shaft 130, and the tool installation shaft 130 is driven to rotate by the rotary motor 100. The swing mechanism can drive the processing device to swing through the swing motor 150, and the output shaft 170 of the swing motor 150 is locked by the second gear plate 160, and the tool installation shaft 130 is locked by the first gear plate 110 to stop the processing process. After the processing is completed, the tool can be pushed out of the installation hole through the tool beating mechanism 120 for tool change, and the tool change can be done manually or by a tool magazine mechanism. Therefore, the CNC machine tool swing head has the advantages of small size, high power, strong rigidity, high precision, reasonable structure, and long life.

[0041] Specifically, Figure 3 As shown, the rotary motor 100 includes a first housing 180, a first stator and rotor 190 arranged inside the first housing 180, and a tool installation shaft 130 arranged inside the first stator and rotor 190. The rotary motor 100 is arranged in this way to directly drive the tool installation shaft 130 to rotate, and the structure is compact and reliable. In addition, the tool installation shaft 130 is arranged through the first housing 180, the first gear disc 110 is arranged at the front end of the first housing 180, and the knife beating mechanism 120 is arranged at the rear end of the first housing 180. Such a setting structure is reasonable, which facilitates the operation of the first gear disc 110 and the knife beating mechanism 120. Moreover, the front and rear ends of the first housing 180 are also provided with bearings 200 sleeved on the tool installation shaft 130. The bearing 200 is provided to provide support for the tool installation shaft 130, ensure stable rotation, and improve processing accuracy. Further, the knife-beating mechanism 120 is arranged at the rear end of the first housing 180, and includes an oil cylinder 210 and a push rod 220. The tool installation hole 140 is arranged through the tool installation shaft 130, and the push rod 220 is sleeved in the tool installation hole 140. The knife-beating mechanism 120 drives the push rod 220 to move through the oil cylinder 210, thereby pushing the tool out of the tool installation shaft 130. It can be understood that the tool installation hole 140 includes a rear hole 230 for accommodating the push rod 220 and a front hole 240 for installing the tool. The tool installation hole 140 is arranged in this way to facilitate accommodating the push rod 220 and installing the tool.

[0042] like Figure 4As shown, the swing motor 150 includes a second housing 250, a second stator and rotor 260 arranged inside the second housing 250, and an output shaft 170 arranged inside the second stator and rotor 260, and the output shaft 170 is connected to the first housing 180. The swing motor 150 is arranged in this way, and the structure is compact and reliable. The output shaft 170 is connected to the first housing 180 to drive the processing device to swing. In addition, the second gear disc 160 is arranged at the front end of the second housing 250. The second gear disc 160 is arranged at the front end of the second housing 250, which is conducive to locking the output shaft 170. Moreover, the rear end of the second housing 250 is provided with a bearing 200. The bearing 200 can provide support for the output shaft 170, ensure the stable rotation of the output shaft 170, and improve the processing accuracy.

[0043] It should be noted that if Figure 2 As shown, the first housing 180 and the output shaft 170 are connected by a flange 270. The first housing 180 and the output shaft 170 are connected by the flange 270 for easy assembly and disassembly.

[0044] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A CNC machine tool swing head, characterized in that: include: A processing device comprises a rotating motor (100), a first toothed disc (110) and a tool-beating mechanism (120), wherein the rotating motor (100) has a tool installation shaft (130), the tool installation shaft (130) is provided with a tool installation hole (140) for installing a tool, the first toothed disc (110) is used to lock or loosen the tool installation shaft (130), and the tool-beating mechanism (120) is used to push the tool out of the tool installation hole (140) to change the tool; The swing device comprises a swing motor (150) and a second toothed disc (160), wherein the swing motor (150) is used to drive the processing device to swing, the output shaft (170) of the swing motor (150) is perpendicular to the rotating motor (100), and the second toothed disc (160) is used to lock or loosen the output shaft (170) of the swing motor (150).

2. A CNC machine tool swing head according to claim 1, characterized in that: The rotary electric machine (100) comprises a first housing (180), a first stator and rotor (190) arranged inside the first housing (180), and a tool mounting shaft (130) arranged inside the first stator and rotor (190).

3. A CNC machine tool swing head according to claim 2, characterized in that: The tool installation shaft (130) is arranged to pass through the first shell (180), the first toothed disc (110) is arranged at the front end of the first shell (180), and the knife-beating mechanism (120) is arranged at the rear end of the first shell (180).

4. A CNC machine tool swing head according to claim 2, characterized in that: Bearings (200) sleeved on the tool mounting shaft (130) are also provided at the front and rear ends of the first housing (180).

5. A CNC machine tool swing head according to claim 2, characterized in that: The knife-beating mechanism (120) is arranged at the rear end of the first housing (180), and comprises a cylinder (210) and a push rod (220); the tool mounting hole (140) passes through the tool mounting shaft (130), and the push rod (220) is sleeved in the tool mounting hole (140).

6. A CNC machine tool swing head according to claim 5, characterized in that: The tool installation hole (140) comprises a rear hole (230) for accommodating the push rod (220) and a front hole (240) for installing a tool.

7. A CNC machine tool swing head according to claim 2, characterized in that: The swing motor (150) comprises a second housing (250), a second stator and rotor (260) arranged inside the second housing (250), and an output shaft (170) arranged inside the second stator and rotor (260), wherein the output shaft (170) is connected to the first housing (180).

8. A CNC machine tool swing head according to claim 7, characterized in that: The first housing (180) and the output shaft (170) are connected by a flange (270).

9. A CNC machine tool swing head according to claim 7, characterized in that: The second toothed disc (160) is arranged at the front end of the second housing (250).

10. A CNC machine tool swing head according to claim 7, characterized in that: A bearing (200) is provided at the rear end of the second housing (250).

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