Tool magazine device and machine tool

Abstract

The tool magazine device comprises a servo motor, a speed reducer, two first commutators and two tool magazines, the speed reducer comprises two output ends, and the two output ends of the speed reducer are respectively connected with an input shaft of one first commutator. The two tool magazines comprise cutter heads and cutter sleeves arranged on the cutter heads and used for placing cutters, the cutter sleeves on the two cutter heads are in one-to-one correspondence, each tool magazine is further provided with a driving input end, and the driving input ends are used for driving the cutter sleeves to rotate around the cutter heads; wherein the output shafts of the two first commutators are respectively connected with the driving input ends of the two tool magazines, and the output shafts of the two first commutators are parallel to each other and are perpendicular to the input shafts of the first commutators. The single servo motor drives the two tool magazines to rotate, the tool changing speed is increased, the tool changing time is effectively shortened, and the production efficiency of a machine table is remarkably improved; and mechanical parts for independently driving each tool magazine are reduced, so that the machine table structure is simplified.

Description

TECHNICAL FIELD

[0001] The utility model relates to the tool magazine field of machine tool, specifically, relate to a tool magazine device, tool magazine device and machine tool. BACKGROUND

[0002] The existing tool magazine servo motor structure usually adopts the mode that single motor drives single tool magazine, this can lead to the existence of multiple head or multiple channel tool changer, this single output end driving mode needs to change the rotation of the motor into the lifting or rotating movement of the tool magazine through the complex mechanism, and there are problems of energy loss and low transmission efficiency. And the complex mechanism arrangement of multiple motors makes the overall structure bulky, and the installation and debugging are difficult, and the maintenance cost is high. In order to solve the above problems, a tool magazine device with simplified structure and high transmission efficiency is needed. SUMMARY

[0003] In order to solve the above problems, the utility model discloses a kind of tool magazine device and machine tool, multiple tool magazines are driven to rotate by single motor, so that tool magazine driving structure is simplified, and transmission efficiency is high.

[0004] The utility model discloses a kind of tool magazine device and machine tool, multiple tool magazines are driven to rotate by single motor, so that tool magazine driving structure is simplified, and transmission efficiency is high.

[0005] The utility model discloses a kind of tool magazine device, comprising:

[0006] Servo motor;

[0007] Speed reducer, the input end of speed reducer is connected with servo motor, and speed reducer includes two output ends;

[0008] Two first commutators, the input shaft of a first commutator is connected with the two output ends of speed reducer respectively;

[0009] Two tool magazines, two tool magazines include tool disc and the tool sleeve for placing tool set on tool disc, the tool sleeve on two tool discs is one-to-one correspondence, and each tool magazine is further provided with drive input end, and drive input end is used to drive tool sleeve rotates around tool disc;

[0010] Wherein, the output shaft of two first commutators is connected with the drive input end of two tool magazines respectively, the output shaft of two first commutators is parallel, and is perpendicular to the input shaft of first commutator.

[0011] Further, the output end of speed reducer and the input shaft of first commutator are connected by shaft coupling.

[0012] Further, it further includes bottom plate, servo motor, speed reducer, two first commutators are all set on bottom plate.

[0013] Further, tool magazine is chain tool magazine, and the support structure for supporting is further provided for each chain tool magazine on bottom plate.

[0014] Further, the support structure comprises:

[0015] A first support column is vertically arranged on the bottom plate and located on the side of the bottom plate close to the speed reducer;

[0016] A second support column is vertically arranged on the bottom plate and located on the side of the bottom plate away from the speed reducer;

[0017] A first support plate is located on the upper end surface of the chain tool magazine, and the first support column is supported and connected to one end of the first support plate through the chain tool magazine;

[0018] A second support plate is located on the lower end surface of the chain tool magazine, and the second support column is supported and connected to one end of the second support plate;

[0019] A third support column is supported and connected between the opposite ends of the first support plate and the second support plate.

[0020] Further, the side of the first support plate facing the tool magazine is provided with a relief groove, the relief groove is arranged in a ring shape along the edge of the first support plate, and one side of the relief groove is semicircular, and the other side of the relief groove is in an open state;

[0021] A screw shaft is arranged on each tool sleeve, and the screw shaft is relatively movable in the relief groove.

[0022] Further, the tool magazine device further comprises two second commutators and a tool magazine corresponding to each of the two second commutators; the first commutator further comprises a conversion shaft, the input shafts of the two second commutators are connected with the conversion shafts of the two first commutators respectively, the output shaft of each second commutator is connected with the driving input end of a tool magazine, and the servo motor drives the tool magazine corresponding to the second commutator through the speed reducer, the first commutator and the second commutator.

[0023] Further, the two output ends of the speed reducer are sequentially connected with a plurality of second commutators and a tool magazine corresponding to each of the plurality of second commutators, and the plurality of second commutators on the two sides of the speed reducer are symmetrically arranged.

[0024] Further, the tool magazine is a disc type tool magazine, the disc type tool magazine is horizontally arranged, and is connected with the output ends of the first commutator and the second commutator.

[0025] The second aspect of the utility model provides a machine tool, comprising a machine tool body and the tool magazine device of any one of the above, the tool magazine device is arranged on the machine tool body and is used for providing a tool for a main shaft on the machine tool body.

[0026] The utility model discloses a beneficial effect lies in: servo motor is placed between two independent tool magazines, and the rotation of two tool magazines is controlled simultaneously through the double output end of speed reducer. The application promotes the tool changing speed through the rotation of two tool magazines driven by single servo motor, effectively shortens the tool changing time, and significantly improves the production efficiency of the machine table. And the mechanical parts for driving each tool magazine separately are reduced, thereby simplifying the machine table structure, reducing the cost and maintenance difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and serve to explain the utility model, and do not constitute improper limitations on the utility model. In the drawings:

[0028] Figure 1 It is the structure diagram of tool magazine device of the utility model;

[0029] Figure 2 It is the assembly schematic view of tool magazine device of the utility model;

[0030] Figure 3 It is another perspective structure diagram of tool magazine device of the utility model;

[0031] Figure 4 It is the schematic view of being provided with a plurality of second commutators of the utility model;

[0032] Figure 5 It is the schematic view of the avoiding groove of tool magazine device of the utility model;

[0033] Figure 6 It is the cross section schematic view of tool magazine device of the utility model.

[0034] The figure mark is: 1 - servo motor, 2 - speed reducer, 3 - first commutator, 4 - the output shaft of first commutator, 5 - tool magazine, 51 - tool disc, 52 - tool cover, 53 - screw shaft, 6 - second commutator, 7 - shaft coupling, 8 - bottom plate, 9 - support structure, 91 - first support column, 92 - second support column, 93 - first support plate, 94 - second support plate, 95 - third support column, 96 - avoiding groove. DETAILED DESCRIPTION

[0035] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor should belong to the protection scope of the utility model.

[0036] refer to Figure 1 and Figure 2 This application utilizes a single servo motor 1 to drive two tool magazines 5 to rotate synchronously or independently, thereby meeting the rapid tool changing requirements of automated machine tools or machining centers. The first aspect of this utility model provides a tool magazine device, including a servo motor 1, a reducer 2, a first commutator 3, a tool magazine 5, and related transmission mechanisms connecting these components. The input end of the reducer 2 is connected to the output end of the servo motor 1, and the reducer 2 includes two output ends. Two first commutators 3 are included, each equipped with one tool magazine 5. The two output ends of the reducer 2 are respectively connected to the input shaft of one of the first commutators 3. The two tool magazines 5 include a tool disc 51 and tool holders 52 disposed on the tool disc 51 for holding tools. The tool holders 52 on the two tool discs 51 correspond one-to-one. Each tool magazine 5 also has a drive input end for driving the tool holders 52 to rotate around the tool disc 51. The output shafts 4 of the two first commutators 3 are respectively connected to the drive input ends of the two tool magazines 5. The output shafts 4 of the two first commutators 3 are parallel and perpendicular to the input shaft of the first commutator 3.

[0037] Specifically, the servo motor 1 serves as a power source, and its output end is directly or indirectly (e.g., through a transmission mechanism such as coupling 7 or gear transmission, not shown in the figure) connected to the input end of the reducer 2. The servo motor 1 features high precision and high response speed, ensuring that the tool magazine device can operate quickly and accurately after receiving a control signal. The reducer 2 is used to reduce the output speed of the servo motor 1 while increasing the output torque to meet the driving force requirements of the tool magazine device. In this invention, the reducer 2 has two output ends, which are respectively connected to the input shafts of the two first commutators 3 through transmission mechanisms (such as shafts, bearings, etc., not shown in detail in the figure).

[0038] Two first commutators 3 are used to change the rotation direction of the output end of the reducer 2 and transmit the rotational motion to the tool magazine 5. In this application, the output shafts 4 of the two first commutators 3 are respectively connected to the drive input ends of the two tool magazines 5. At the same time, the output shafts 4 of the two first commutators 3 are kept parallel and perpendicular to their respective input shafts, which helps to ensure that the two tool magazines 5 can maintain synchronous or independent operation when rotating without interfering with each other.

[0039] The tool magazine 5 is one of the core components of the tool magazine device. It includes a tool disc 51 and tool holders 52 mounted on the tool disc 51 for holding tools. The tool holders 52 on the tool discs 51 of the two tool magazines 5 correspond one-to-one, that is, each tool holder 52 has a corresponding tool holder 52 on the other tool magazine 5, so that the required tool can be quickly found and grabbed when it is necessary to change tools. Each tool magazine 5 is provided with a drive input end, which is connected to the output shaft 4 of the first commutator 3, for receiving the driving force from the reducer 2 and driving the tool holder 52 to rotate around the tool disc 51.

[0040] In practical implementation, when the servo motor 1 receives a control signal, it begins to rotate and output power. This power is reduced in speed and torque by the reducer 2 and then transmitted to the two first commutators 3. The two first commutators 3 change the direction of rotation of the power and transmit it to the drive input terminals of the two tool magazines 5. Under the action of the driving force, the tool discs 51 of the two tool magazines 5 begin to rotate, thereby realizing rapid tool changing. In addition, the tool magazine device in this application can also be flexibly configured according to actual needs. For example, the rotation speed of the tool magazine 5 can be changed by adjusting the reduction ratio of the reducer 2; the direction of power transmission or the magnitude of torque can be changed by replacing the first commutators 3 with different specifications; and the number of tool holders 52 can be increased or decreased on the tool discs 51 to accommodate different tool requirements.

[0041] This application utilizes a single servo motor 1 to drive the rotation of two tool magazines 5, thereby increasing tool changing speed, effectively shortening tool changing time, and significantly improving machine tool production efficiency. The synchronous operation of the two tool magazines 5 ensures synchronicity and positional accuracy, reducing the asynchrony problems caused by individually driving each tool magazine 5's mechanical components. This simplifies the machine tool structure and offers advantages such as stable operation and ease of maintenance. Furthermore, this structure is suitable for multi-head or multi-channel Z-axis machines that allow simultaneous tool changing, improving the machine tool's versatility and adaptability. Additionally, driving multiple tool magazines 5 with one servo motor 1 reduces the number of servo motors used, lowering costs and saving installation space on the machine tool.

[0042] In one embodiment, reference Figure 1 and Figure 2In the connection between the reducer 2 and the first commutator 3, this application uses a coupling 7 as the transmission connector. The output end of the reducer 2 is connected to the input shaft of the first commutator 3 via the coupling 7. The coupling 7 is a commonly used mechanical transmission element that can effectively connect two shafts and allow for a certain angular deviation or axial displacement between the two shafts, thereby ensuring the smoothness and reliability of the transmission. In this embodiment, one end of the coupling 7 is fixedly connected to the output end of the reducer 2 via a suitable connector (such as a key, pin, etc.), and the other end is also fixed to the input shaft of the first commutator 3 via a connector. Thus, when the reducer 2 receives the driving force from the servo motor 1, it smoothly transmits this power to the first commutator 3 through the coupling 7, thereby driving the tool magazine 5 to rotate. The selection and installation of the coupling 7 are crucial to ensuring the stability and reliability of the transmission. In this embodiment, a suitable coupling 7 model and specification are selected according to the specifications and performance requirements of the reducer 2 and the first commutator 3. Meanwhile, during the installation process, relevant specifications and standards are strictly followed to ensure that the connection between coupling 7, reducer 2, and first commutator 3 is firm and reliable, and can meet the transmission requirements.

[0043] In one embodiment, reference Figure 1 and Figure 2 The tool magazine device also includes a base plate 8, which allows key components such as the servo motor 1, reducer 2, and commutator (including two first commutators 3, and the same applies if other commutators exist) to be securely mounted on the base plate 8. As the supporting foundation for the entire tool magazine device, the base plate 8 is designed to meet sufficient strength and rigidity requirements to ensure that it will not deform or be damaged during operation. In this embodiment, the base plate 8 is made of high-quality steel and undergoes precision machining and surface treatment to improve its corrosion resistance and service life. On the base plate 8, corresponding mounting holes and positioning slots are designed according to the size and layout requirements of the servo motor 1, reducer 2, and commutator. These mounting holes and positioning slots ensure that these components are accurately aligned during installation and are securely fixed to the base plate 8 with bolts, nuts, and other fasteners. The servo motor 1 and reducer 2 are compactly mounted together on the base plate 8 and connected through a suitable transmission mechanism. In this embodiment, the commutator is also mounted on the base plate 8, and its input shaft is connected to the output end of the reducer 2 via a coupling 7. In this way, when the reducer 2 receives the driving force from the servo motor 1, it smoothly transmits this power to the tool magazine 5 through the coupling 7 and the commutator, thereby driving the tool disc 51 to rotate.

[0044] In one embodiment, reference Figure 2 and Figure 3The tool magazine 5 is a chain-type tool magazine 5, and each chain-type tool magazine 5 is paired with a dedicated support structure 9 on the base plate 8. The chain-type tool magazine 5 uses a chain or similar transmission mechanism to drive the tool disc 51 to rotate. In this embodiment, each tool disc 51 of the chain-type tool magazine 5 has multiple tool holders 52 evenly distributed on it for holding tools. These tool holders 52 rotate via chain transmission, facilitating tool storage, retrieval, and replacement. To support and secure the chain-type tool magazine 5, a dedicated support structure 9 is designed for each chain-type tool magazine 5 on the base plate 8. These support structures 9 can be customized according to the size, weight, and layout requirements of the chain-type tool magazine 5 to ensure sufficient support and stability.

[0045] In one embodiment, reference Figure 2 and Figure 3 The support structure 9 is one of the key components in this tool magazine device, responsible for providing stable support for the chain-type tool magazine 5 and ensuring its smooth operation. In the embodiments of this application, the support structure 9 includes a first support column 91, a second support column 92, a first support plate 93, a second support plate 94, and a third support column 95.

[0046] The first support column 91 is vertically mounted on the base plate 8, located on the side of the base plate 8 closest to the reducer 2. Its main function is to support one end of the chain-type tool magazine 5, ensuring that it does not tilt or sway during operation. The height of the first support column 91 can be adjusted according to the size and layout requirements of the chain-type tool magazine 5 to ensure that it can provide sufficient support.

[0047] The second support column 92 is also vertically mounted on the base plate 8, but located on the side of the base plate 8 away from the reducer 2. Its function is similar to that of the first support column 91, providing stable support for the chain-type tool magazine 5. The height of the second support column 92 can also be adjusted as needed to ensure that the other end of the chain-type tool magazine 5 is also adequately supported. The first support column 91 and the second support column 92 are at the same height to ensure that each tool magazine 5 is horizontally positioned.

[0048] The first support plate 93 is located on the upper surface of the chain-type tool magazine 5, and the first support column 91 supports and connects the first support plate 93 and the base plate 8. The main function of the first support plate 93 is to increase the stability of the upper part of the chain-type tool magazine 5 and prevent it from deforming or being damaged during operation. At the same time, the first support plate 93 can also serve as a platform for installing other auxiliary devices (such as sensors, limit switches, etc.).

[0049] The second support plate 94 is located on the lower end face of the chain tool magazine 5, and one end of the second support plate 94 is connected to the base plate 8 via the second support column 92. The function of the second support plate 94 is similar to that of the first support plate 93, which is to provide additional support and stability for the chain tool magazine 5. At the same time, the second support plate 94 can also serve as a reference surface for adjusting the height of the chain tool magazine 5, facilitating installation and debugging.

[0050] The third support column 95 is connected between the opposing ends of the first support plate 93 and the second support plate 94. Its main function is to further enhance the overall stability of the chain tool magazine 5 and prevent it from swaying left and right during operation. The position and number of the third support columns 95 can be flexibly adjusted according to the size and layout requirements of the chain tool magazine 5.

[0051] In practical applications, the various parts of the support structure 9 can be customized and adjusted according to the specific requirements of the machine tool or machining center. For example, the number of support columns can be increased or decreased, the size and shape of the support plate can be adjusted, and the height of the support columns can be changed to adapt to different models of chain tool magazines 5 and different layout requirements. The tool magazine device provided in this application, through the detailed design of the support structure 9, provides stable support and sufficient stability for the chain tool magazine 5, ensuring its smooth operation and meeting the needs of automated machine tools or machining centers for rapid tool changes.

[0052] In one embodiment, reference Figure 2 , Figure 3 , Figure 5 and Figure 6 The first support plate 93 is designed with a clearance groove 96 to accommodate the movement requirements of the tool sleeve 52 in the chain tool magazine 5. The first support plate 93 is an important component of the support structure 9. It is located on the upper surface of the chain tool magazine 5, providing stable support for the chain tool magazine 5. In this embodiment, the side of the first support plate 93 facing the tool magazine 5 is specially designed with a clearance groove 96 (e.g., Figure 5 (As shown).

[0053] The clearance groove 96 is a recess arranged annularly along the edge of the first support plate 93. Its design aims to provide sufficient movement space for the tool holder 52 within the chain-type tool magazine 5. One side of the clearance groove 96 is semi-circular, ensuring that the screw shaft 53 on the tool holder 52 can move smoothly along the semi-circular portion of the clearance groove 96 without obstruction as the chain-type tool magazine 52 moves with its rotation. The other side of the clearance groove 96 is open, meaning it is not completely closed. This design facilitates easier entry and exit of the tool holder 52 during installation and removal. Simultaneously, the open design reduces the material usage of the first support plate 93, lowering manufacturing costs.

[0054] Each tool holder 52 is equipped with a screw shaft 53, which is a key component connecting the tool holder 52 to the transmission mechanism of the chain tool magazine 5. In the embodiments of this application, the screw shaft 53 is designed to be relatively movable within the clearance groove 96. This means that when the chain tool magazine 5 rotates, the screw shaft 53 on the tool holder 52 will move along the trajectory of the clearance groove 96. Due to the special design of the clearance groove 96, the screw shaft 53 can smoothly pass through the semi-circular part and the opening part of the clearance groove 96 without jamming or damage. In practical applications, the design and size of the clearance groove 96 need to be customized according to the specific model of the chain tool magazine 5 and the size of the tool holder 52. At the same time, in order to ensure that the tool holder 52 can move smoothly, the surface of the clearance groove 96 needs to be smoothed to reduce friction and wear.

[0055] The improved tool magazine device provided in this application, by adding a clearance groove 96 to the first support plate 93, provides sufficient movement space for the tool sleeve 52 in the chain tool magazine 5, ensuring that it can move smoothly with the rotation of the chain tool magazine 5. This design not only improves the stability and reliability of the tool magazine device, but also reduces manufacturing costs and maintenance difficulty.

[0056] In one embodiment, reference Figure 2 and Figure 4 The tool magazine device also includes two second commutators 6 and tool magazines 5 corresponding to each of the two second commutators 6. The first commutator 3 also includes a conversion shaft. The input shafts of the two second commutators 6 are respectively connected to the conversion shafts of the two first commutators 3. The output shaft of each second commutator 6 is connected to the drive input of a tool magazine 5. When the servo motor 1 starts, its rotation drives the reducer 2 to rotate, which in turn drives the two first commutators 3 to rotate. Each of the two first commutators 3 drives its corresponding second commutator 6 to rotate. Both the first commutators 3 and the second commutators 6 drive their respective connected tool magazines 5 to rotate, thus enabling one servo motor 1 to drive four tool magazines 5 to rotate simultaneously for operation.

[0057] Further details, see reference Figure 2 and Figure 4Multiple second commutators 6 are arranged at both output ends of the reducer 2, and these second commutators 6 are connected sequentially to form a transmission chain. The first second commutator 6 in the transmission chain is connected to the conversion shaft of the first commutator 3. Thus, when the servo motor 1 outputs power through the reducer 2 and the first commutator 3, this power is first transmitted to the first second commutator 6. The output shaft of each second commutator 6 is connected to the drive input end of a tool magazine 5. This means that each tool magazine 5 can receive power and rotate through an independent second commutator 6. This design allows multiple tool magazines 5 to operate independently without interference, thereby improving the overall efficiency and flexibility of the tool magazine device.

[0058] In one embodiment, reference Figure 2 and Figure 4 The second commutators 6 at the two output ends of the reducer 2 are symmetrically arranged on both sides of the reducer 2. In this embodiment of the invention, the reducer 2, as a key component for power transmission, has both output ends fully utilized to connect multiple second commutators 6. This means that the reducer 2 can simultaneously provide power to two sets of tool magazines 5, thereby further improving the overall efficiency and machining capability of the tool magazine device. Each output end is sequentially connected to multiple second commutators 6, which are symmetrically arranged on both sides of the reducer 2. This design not only ensures the balance and stability of power transmission but also makes the structure of the entire tool magazine device more compact and reasonable.

[0059] Specifically, when the servo motor 1 starts, it simultaneously outputs power through the two output ends of the reducer 2. This power is then transmitted to two symmetrically arranged second commutators 6. Each second commutator 6 then transmits its received power to a tool magazine 5, thereby driving the tool magazine 5 to rotate. In practical applications, the number and layout of the second commutators 6 need to be determined based on the specific requirements of the machine tool or machining center. For example, if the machine tool needs to handle a large number of tools simultaneously and requires rapid tool changes, then more second commutators 6 and tool magazines 5 are needed. Furthermore, to further improve the performance and reliability of the tool magazine system, auxiliary devices such as shock absorbers and limit switches can be added to the output shaft of each second commutator 6. These auxiliary devices can reduce vibration and impact during transmission while ensuring that the tool magazine 5 can rotate within a specified range.

[0060] The tool magazine device provided by this utility model improves the overall efficiency and machining capability of the tool magazine device by connecting multiple second commutators 6 to both output ends of the reducer 2 and symmetrically arranging these second commutators 6 on both sides of the reducer 2. This design also makes the entire device more compact and rational in structure. This design meets more complex and diverse machining needs, providing a more efficient and reliable tool management solution for machine tools or machining centers.

[0061] In one embodiment, the tool magazine 5 is configured as a disc-type tool magazine (not shown in the attached drawings), which is horizontally mounted on the output shaft 4 of each first commutator 3. A disc-type tool magazine is a commonly used tool storage and replacement device, characterized by tools distributed in a disc-like manner, with the desired tool selected by rotation. In this embodiment, a disc-type tool magazine is chosen as the solution for tool storage and replacement. Disc-type tool magazines have advantages such as compact structure, small footprint, large tool capacity, and fast tool change speed. Furthermore, the uniform tool distribution and smooth rotation of a disc-type tool magazine ensure the accuracy and reliability of tools during storage and replacement.

[0062] The disc tool magazines are designed to be horizontally mounted on the input shaft of each first commutator 3. This horizontal mounting reduces the overall height of the tool magazine assembly, making the entire unit more compact and easier to install. The drive input of each disc tool magazine is connected to the output shaft 4 of one of the first commutators 3. Thus, when the first commutator 3 receives power from the reducer 2, it transmits the power to the disc tool magazine, driving it to rotate. To fully utilize space and improve work efficiency, the disc tool magazines can be optimized in layout according to actual needs. For example, multiple disc tool magazines can be placed side-by-side or tilted at a certain angle to facilitate tool selection and replacement. To improve the performance and reliability of the disc tool magazines, auxiliary devices such as tool positioning systems and tool clamping devices can be added.

[0063] The second aspect of this utility model provides a machine tool, including a machine tool body and a tool magazine device of any one of the above. The tool magazine device is disposed on the machine tool body and is used to provide cutting tools for the spindle on the machine tool body. The machine tool of this application drives the rotation of two tool magazines 5 by a single servo motor 1, thereby increasing the tool changing speed, effectively shortening the tool changing time, and significantly improving the production efficiency of the machine tool; and reducing the mechanical parts that individually drive each tool magazine 5, thereby simplifying the machine tool structure and reducing costs and maintenance difficulty.

[0064] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A tool magazine device, characterized in that, include: Servo motor (1); A speed reducer (2), the input end of which is connected to the servo motor (1), and the speed reducer (2) includes two output ends; Two first commutators (3), the two output ends of the reducer (2) are respectively connected to the input shaft of one of the first commutators (3); Two tool magazines (5), each tool magazine (5) includes a tool disc (51) and a tool holder (52) disposed on the tool disc (51) for holding the tool. The tool holders (52) on the two tool discs (51) correspond one to one. Each tool magazine (5) is also provided with a drive input terminal, which is used to drive the tool holder (52) to rotate around the tool disc (51). The output shafts (4) of the two first commutators (3) are respectively connected to the drive input ends of the two tool magazines (5), and the output shafts (4) of the two first commutators (3) are parallel and perpendicular to the input shaft of the first commutator (3).

2. The tool magazine device according to claim 1, characterized in that, The output end of the reducer (2) is connected to the input shaft of the first commutator (3) via a coupling (7).

3. The tool magazine device according to claim 2, characterized in that, It also includes a base plate (8), on which the servo motor (1), reducer (2), and two first commutators (3) are all mounted.

4. The tool magazine device according to claim 3, characterized in that, The tool magazine (5) is a chain-type tool magazine (5), and the base plate (8) is also provided with a support structure (9) for each chain-type tool magazine (5).

5. The tool magazine device according to claim 4, characterized in that, The supporting structure (9) includes: The first support column (91) is vertically installed on the base plate (8) and located on the side of the base plate (8) near the reducer (2); The second support column (92) is vertically arranged on the base plate (8) and located on the side of the base plate (8) away from the reducer (2); The first support plate (93) is located on the upper surface of the chain-type tool magazine (5), and the first support column (91) passes through the chain-type tool magazine (5) and is supported and connected to one end of the first support plate (93); The second support plate (94) is located on the lower end face of the chain-type tool magazine (5), and the second support column (92) is supported and connected to one end of the second support plate (94); The third support column (95) is connected between the opposing ends of the first support plate (93) and the second support plate (94).

6. The tool magazine device according to claim 5, characterized in that, The first support plate (93) has a relief groove (96) on the side facing the tool magazine (5). The relief groove (96) is arranged in a ring along the edge of the first support plate (93), and one side of the relief groove (96) is semi-circular, while the other side of the relief groove (96) is open. Each of the tool holders (52) is provided with a screw shaft (53), which is located in the clearance groove (96) and is movable relative to the clearance groove (96).

7. The tool magazine device according to any one of claims 1-6, characterized in that, It also includes two second commutators (6) and tool magazines (5) corresponding to the two second commutators (6) one by one; the first commutator (3) also includes a conversion shaft, the input shafts of the two second commutators (6) are respectively connected to the conversion shafts of the two first commutators (3), the output shaft of each second commutator (6) is connected to the drive input end of one of the tool magazines (5), and the servo motor (1) drives the tool magazine (5) corresponding to the second commutator (6) to rotate through the reducer (2), the first commutator (3) and the second commutator (6).

8. The tool magazine device according to claim 7, characterized in that, The two output ends of the reducer (2) are connected in sequence to a plurality of second commutators (6) and a tool magazine (5) corresponding to each of the plurality of second commutators (6), and the plurality of second commutators (6) on both sides of the reducer (2) are arranged symmetrically.

9. The tool magazine device according to any one of claims 1-3, characterized in that, The tool magazine (5) is a disc-type tool magazine, which is horizontally arranged and connected to the output shafts of the first commutator (3) and the second commutator (6).

10. A machine tool, characterized in that, The invention includes a machine tool body and a tool magazine device as described in any one of claims 1-9, wherein the tool magazine device is disposed on the machine tool body and is used to provide cutting tools for the spindle on the machine tool body.

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