A milling and turning chain tool magazine

Abstract

This invention discloses a milling-turning composite chain-type tool magazine, belonging to the field of tool magazine technology. It includes at least two aligned tool magazines mounted on a frame, each containing several tool holders for mounting tools, and each tool magazine has a slot; an x-axis movement module mounted on top of the tool magazine; and a y-axis movement module mounted on the bottom of the x-axis movement module, the y-axis movement module having a connecting plate that mates with the slot. This tool magazine, through its modular tool magazine design, can significantly increase tool capacity. The separate tool magazines also facilitate future increases in tool capacity. By equipping each tool magazine with an independent drive motor, the tool selection and positioning process and the tool transport process can be executed in parallel, significantly reducing waiting time between processes and improving the overall system operating efficiency. It avoids the problems of existing tool magazines, which are excessively complex, significantly increase control difficulty, occupy a large amount of machine tool internal space, and significantly increase manufacturing costs.

Description

Technical Field

[0001] This invention relates to the field of tool magazine technology, specifically to a milling and turning composite chain tool magazine. Background Technology

[0002] As the manufacturing industry moves towards high-precision, high-efficiency, and multi-functional machining, milling-turning machine tools have become core equipment in modern precision machining. These machine tools can complete multiple processes such as turning, milling, and drilling in a single setup, greatly improving machining efficiency and part accuracy. As a key functional component of milling-turning machine tools, the capacity, tool changing speed, and reliability of the automatic tool changer (ATC) directly affect the overall performance and machining flexibility of the machine tool.

[0003] Currently, tool magazines used in milling and turning machines mainly come in two mainstream forms: disc-type and chain-type. Disc-type tool magazines have a compact structure and short tool change path, but due to structural limitations, their tool capacity is usually small, generally less than 30 tools, making it difficult to meet the needs of machining complex parts with multiple tools. Chain-type tool magazines suspend tool holders by chains, enabling large-capacity tool storage in a limited space. However, their traditional structure is usually a single tool magazine, requiring the tool-changing robot to search for the tool along the entire long chain. When the tool capacity is very large, the average tool selection time is long, affecting tool changing efficiency.

[0004] Especially for mill-turn machining, the processes are complex and require a wide variety of tools, often including turning tools, milling cutters, drills, taps, and more. While a large-capacity chain-type tool magazine with a single tool magazine solves the problem of tool storage capacity, the movement and waiting time of the robotic arm become an efficiency bottleneck when tools located at the far end of the chain need to be frequently accessed. Furthermore, as machine tools move towards modularity and scalability, existing tool magazine systems often lack convenient capacity expansion capabilities. Increasing tool capacity usually requires replacing the entire tool magazine module, which is costly and complex.

[0005] To address the aforementioned issues, while some technologies have attempted to improve efficiency by employing dual robotic arms or multiple independent tool magazines, these solutions often result in an exceptionally complex system structure, significantly increased control difficulty, and a substantial occupation of machine tool internal space, leading to a substantial increase in manufacturing costs. They fail to adequately balance capacity, efficiency, cost, and scalability. Therefore, it is necessary to provide a milling-turning composite chain tool magazine to solve these problems. Summary of the Invention

[0006] In view of the above-mentioned problems in the prior art, the purpose of the present invention is to provide a turning-milling composite chain tool magazine to solve the problems mentioned in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problem is: a turning and milling compound chain tool magazine, comprising at least two tool magazines facing the same direction mounted on a frame, the tool magazines being provided with a plurality of tool sleeves for installing tools, and the tool magazines having slots; The x-axis movement module is mounted on top of the tool magazine; A y-axis moving module is installed at the bottom of the x-axis moving module, and the y-axis moving module has a connecting plate that matches the slot. The tool gripping unit includes a clamping member that slides along a straight line for gripping or releasing the tool sleeve. The tool gripping unit is installed at the bottom of the connecting plate. The y-axis moving module drives the tool gripping unit to move along the y-axis direction, and the x-axis moving module drives the y-axis moving module and the tool gripping unit to move along the x-axis direction. A tool changing unit is installed where the tool gripping unit passes. The tool changing unit includes a tool gripping plate, and both ends of the tool gripping plate are provided with tool gripping grooves for mounting tools. The tool release unit, installed in each tool magazine, is used to controllably release the locking of the tool holder that reaches the slot. The x-axis movement module is used to switch the tool-grabbing unit between slots in different tool magazines, and the y-axis movement module is used to move the tool-grabbing unit in and out of the slot to grab the tool sleeve. Furthermore, it includes an annular track installed in the tool magazine, several tool holder seats and a first motor. The tool holder seats are movably arranged on the annular track, and the first motor is fixedly connected to the tool magazine to drive the tool holder seats to move along the annular guide rail. The vertical section of the circular track has a guide plate.

[0008] Furthermore, notches are provided on both sides of one of the guide plates located at the slot; The tool release unit has a tool release cylinder fixedly connected to the tool magazine. The output end of the tool release cylinder is fixedly connected to a retaining plate. The retaining plate has a protrusion that matches the notch and the protrusion extends to the surface of the tool sleeve.

[0009] Furthermore, the gripping unit includes a base fixedly connected to the bottom of the connecting plate, the upper surface of the base has a slide, a left slider and a right slider are slidably connected on the slide, the clamping member includes a left clamping plate and a right clamping plate, the left clamping plate has a left clamping part on the side facing the right clamping plate and is fixedly connected to the top of the left slider, and the right clamping plate has a right clamping part on the side facing the left clamping plate and is fixedly connected to the top of the right slider; A first cylinder is installed on the side of the left clamping plate away from the right clamping plate. A connecting column is fixedly connected to the telescopic end of the first cylinder, and the far end of the connecting column is fixedly connected to the right clamping plate.

[0010] Furthermore, both the upper and lower ends of the connecting column are equipped with plug screws. One end of the plug screw is fixedly connected to the inner end face of the left clamping plate, and the other end is slidably connected to the right clamping plate. A spring is nested on the plug screw. One end of the spring is fixedly connected to the inner end face of the left clamping plate, and the other end is fixedly connected to the inner end face of the right clamping plate. The spring always has elastic force.

[0011] Furthermore, the base is also provided with a limiting plate to limit the minimum distance between the left clamping plate and the right clamping plate.

[0012] Furthermore, the tool changing unit has a reduction gearbox fixedly connected to the frame. The input end of the reduction gearbox is drivenly connected to the output end of the fourth motor. The output end is drivenly connected to an output shaft. A tool gripping plate is fixedly connected to the end of the output shaft. Tool gripping grooves are provided at both ends of the tool gripping plate. A top rod is elastically and telescopically connected to one side of the gripper groove.

[0013] Furthermore, the x-axis moving module includes a mounting bracket installed on the top of the tool magazine. The mounting bracket contains a second motor, a gearbox, a first lead screw, a first slider, and a mounting plate. The output end of the second motor is drivenly connected to the input end of the gearbox, and the output end of the gearbox is drivenly connected to the first lead screw. The first slider moves along the x-axis on the first lead screw, and the mounting plate is fixedly connected to the first slider.

[0014] Furthermore, the y-axis moving module includes a third motor, a second lead screw, and a second slider mounted on a mounting plate. The output end of the third motor transmits power to the second lead screw via a belt. The second slider moves along the y-axis on the second lead screw. The top of the connecting plate is fixedly connected to the second slider.

[0015] The beneficial effects of this invention are as follows: This invention provides a milling and turning composite chain tool magazine. Through its modular tool magazine design, this tool magazine can greatly increase tool capacity. At the same time, the separate tool magazines also provide convenience for further increasing tool capacity if needed. By configuring an independent drive motor for each tool magazine, the tool selection and positioning process and the tool transport process can be executed in parallel. When the tool gripping unit is moving or performing a tool change, the target tool magazine can rotate the next required tool to the notch in advance, which significantly reduces the waiting time between processes and improves the overall operating efficiency of the system. It avoids the situation where the existing tool magazine structure is extremely complex, the control difficulty is greatly increased, and a large amount of internal space of the machine tool is occupied, resulting in a significant increase in manufacturing cost.

[0016] In addition to the objectives, features, and advantages described above, the present invention has other objectives, features, and advantages. The invention will now be described in further detail with reference to the figures. Attached Figure Description

[0017] The accompanying drawings, which form part of this specification, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings: Figure 1 This is an overall schematic diagram of the present invention; Figure 2 This is a schematic diagram of the other side of the entire invention; Figure 3 This is a schematic diagram of the top of the x-axis moving module of the present invention; Figure 4 This is a schematic diagram of the bottom of the x-axis moving module of the present invention; Figure 5 For the present invention Figure 4 Enlarged diagram of area A in the middle; Figure 6 This is a schematic diagram of the gripping unit of the present invention; Figure 7 This is a schematic diagram of the tool changing unit of the present invention; Figure 8 This is a schematic diagram of the tool magazine of the present invention; Figure 9 For the present invention Figure 8 Enlarged diagram of area B in the middle; Figure 10 This is a schematic diagram of the other side of the tool magazine of the present invention; Figure 11 For the present invention Figure 10 Enlarged diagram of area C; Figure 12 This is a schematic diagram of the knife release cylinder of the present invention; Figure 13 This is a schematic diagram of the tool changing state of the present invention; Figure 14 For the present invention Figure 13 Enlarged diagram of area D in the middle; The following are the labeling elements in the figure: 1. Tool holder; 101. Groove; 11. Guide plate; 1101. Notch; 12. Tool holder holder; 13. First motor; 14. Drive turntable; 15. Auxiliary turntable; 2. X-axis moving module; 21. Mounting bracket; 22. Second motor; 23. Gearbox; 24. First lead screw; 25. First slider; 26. Mounting plate; 3. Y-axis moving module; 31. Third motor; 32. Second lead screw; 33. Second slider; 34. Connecting plate; 4. Gripping unit; 41. Base; 411. Slide; 42. First cylinder; 43. Left clamping plate; 431. Left clamping part; 44. Left slider; 45. Right clamping plate; 451. Right clamping part; 46. Right slider; 47. Connecting post; 48. Plug screw; 49. Spring; 5. Tool changing unit; 51. Fourth motor; 52. Gearbox; 53. Output shaft; 54. Tool gripper plate; 541. Tool gripper groove; 542. Push rod; 6. Knife sheath; 7. Cutting tool; 71. Gripping part; 72. Limiting groove; 8. Knife release unit; 81. Knife release cylinder; 82. Clamping plate; 821. Protrusion. Detailed Implementation

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0020] like Figure 1-14 As shown, the present invention provides a technical solution: a milling and turning compound chain tool magazine, comprising at least two tool magazines 1 facing the same direction mounted on a frame, the tool magazine 1 being provided with a plurality of tool sleeves 6 for mounting tools 7, and the tool magazine 1 having a slot 101; The x-axis moving module 2 is installed on top of the tool magazine 1; The y-axis moving module 3 is installed at the bottom of the x-axis moving module 2. The y-axis moving module 3 has a connecting plate 34 that matches the slot 101. The tool gripping unit 4 includes a clamping member that slides in a straight line for gripping or releasing the tool sleeve 6. The tool gripping unit 4 is installed at the bottom of the connecting plate 34. The y-axis moving module 3 drives the tool gripping unit 4 to move in the y-axis direction, and the x-axis moving module 2 drives the y-axis moving module 3 and the tool gripping unit 4 to move in the x-axis direction. The tool changing unit 5 is installed at the passage of the tool grabbing unit 4. The tool changing unit 5 includes a tool grabbing plate 54, and both ends of the tool grabbing plate 54 are provided with tool grabbing grooves 541 for mounting the tool 7. The tool release unit 8 is installed in each tool chamber 1 and is used to controllably release the lock on the tool sleeve 6 that reaches the slot 101; The x-axis moving module 2 is used to switch the tool gripping unit 4 between different tool magazine slots 101, and the y-axis moving module 3 is used to move the tool gripping unit 4 in and out of the slots 101 to grip the tool sleeve 6.

[0021] The tool magazine 1 has a guide plate 11, a tool holder seat 12 for mounting the tool holder 6, an active turntable 14 and an auxiliary turntable 15. The guide plate 11 is installed on both sides of the active turntable 14 and the auxiliary turntable 15. The guide plate 11, the active turntable 14 and the auxiliary turntable 15 form an annular channel. The tool holder seat 12 is arranged along the annular channel. The tool holder 12 has several protrusions along the circumferential direction, and the active turntable 14 and the auxiliary turntable 15 have several grooves along the circumferential direction that match the protrusions of the tool holder 12. The tool magazine 1 also has a first motor 13 on one side. The output end of the first motor 13 is connected to the drive turntable 14. The rotation of the drive turntable 14 drives the tool holder 12 to rotate along the annular channel.

[0022] One of the guide plates 11 located at the slot 101 has notches 1101 on both sides; The tool release unit 8 has a tool release cylinder 81 fixedly connected to the tool magazine 1. The output end of the tool release cylinder 81 is fixedly connected to a retaining plate 82. The retaining plate 82 has a protrusion 821 that matches the notch 1101. The protrusion 821 extends to the surface of the tool sleeve 6.

[0023] The gripping unit 4 includes a base 41 fixedly connected to the bottom of the connecting plate 34. The upper surface of the base 41 has a slide 411. A left slider 44 and a right slider 46 are slidably connected on the slide 411. The clamping member includes a left clamping plate 43 and a right clamping plate 45. The left clamping plate 43 has a left clamping part 431 on the side facing the right clamping plate 45 and is fixedly connected to the top of the left slider 44. The right clamping plate 45 has a right clamping part 451 on the side facing the left clamping plate 43 and is fixedly connected to the top of the right slider 46. A first cylinder 42 is installed on the side of the left clamping plate 43 away from the right clamping plate 45. A connecting column 47 is fixedly connected to the telescopic end of the first cylinder 42. The far end of the connecting column 47 is fixedly connected to the right clamping plate 45.

[0024] Both ends of the connecting column 47 are equipped with locking screws 48. One end of the locking screw 48 is fixedly connected to the inner end face of the left clamping plate 43, and the other end is slidably connected to the right clamping plate 45. A spring 49 is nested on the locking screw 48. One end of the spring 49 is fixedly connected to the inner end face of the left clamping plate 43, and the other end is fixedly connected to the inner end face of the right clamping plate 45. The spring 49 always has elastic force. The locking screws 48 and the spring 49 provide a reverse pulling force to the right clamping plate 45 to prevent the left clamping part 431 and the right clamping part 451 from disengaging from the outer groove of the tool holder 6 after the air supply is cut off, thus preventing the tool from falling out.

[0025] The base 41 is also provided with a limiting plate to limit the minimum distance between the left clamping plate 43 and the right clamping plate 45. This prevents the tool holder 6 from entering the preset clamping position due to insufficient space between the clamping components.

[0026] The tool changing unit 5 has a reduction gearbox 52 fixedly connected to the frame. The input end of the reduction gearbox 52 is connected to the output end of the fourth motor 51. The output end is connected to the output shaft 53. The end of the output shaft 53 is fixedly connected to the tool gripping plate 54. Both ends of the tool gripping plate 54 are provided with tool gripping grooves 541. A push rod 542 is elastically telescopically connected to one side of the gripper groove 541.

[0027] The x-axis moving module 2 includes a mounting bracket 21 installed on the top of the tool magazine 1. The mounting bracket 21 contains a second motor 22, a gearbox 23, a first lead screw 24, a first slider 25, and a mounting plate 26. The output end of the second motor 22 is connected to the input end of the gearbox 23, and the output end of the gearbox 23 is connected to the first lead screw 24. The first slider 25 moves along the x-axis on the first lead screw 24, and the mounting plate 26 is fixedly connected to the first slider 25.

[0028] The y-axis moving module 3 includes a third motor 31, a second lead screw 32, and a second slider 33 mounted on a mounting plate 26. The output end of the third motor 31 transmits power to the second lead screw 32 via a belt. The second slider 33 moves along the y-axis on the second lead screw 32. The top of the connecting plate 34 is fixedly connected to the second slider 33.

[0029] In one embodiment, the working principle of this composite tool magazine is as follows: Specifically, the cutting tool 7 is installed in the tool holder 6 inside the tool magazine 1, and the first step is initiated. Motor 13 drives the active turntable 14 to rotate. Since the groove on the active turntable 14 matches the protrusion on the tool holder 12, when the active turntable 14 rotates, it will drive the tool holder 12 to move in the direction of rotation of the active turntable 14. When passing the active turntable 14, the tool holder 12 located on the guide plate 11 will be pushed forward by the tool holder 12 behind it. The auxiliary turntable 15 helps the tool holder 12 to turn. When the tool 7 to be removed reaches the notch 1101, the first motor 13 is turned off and the tool release cylinder 81 is started, which retracts the clamping plate 82. At this time, the protrusion 821 releases the tool holder seat 12 from the restriction of the tool holder 6. Then the second motor 22 is started, which drives the first lead screw 24 to rotate, thereby driving the first slider 25 and the mounting plate 26 to move closer to the notch 1101 along the x-axis. When the mounting plate 26 reaches the x-axis position, the third motor 31 is started. At this time, the second lead screw 32 rotates, driving the second slider 33, the connecting plate 34 and the tool gripping unit 4 to move closer to the notch 1101. At this time, the blade sleeve 6 is located between the left clamping plate 43 and the right clamping plate 45. The first cylinder 42 is activated to retract. The first cylinder 42 drives the connecting column 47 to move closer to the left clamping plate 43. The right clamping plate 45 moves along the plug screw 48. At this time, the gap between the right clamping plate 45 and the left clamping plate 43 gradually narrows until the right clamping plate 45 touches the blade sleeve 6. The blade sleeve 6 is clamped in the left clamping part 431 and the right clamping part 451. The spring 49 continuously generates elastic force, providing the right clamping plate 45 with a force to move closer to the left clamping plate 43. The tool-grabbing unit 4 of the tool-grabbing sleeve 6 is moved to the position of the tool-changing unit 5 via the x-axis moving module 2 and the y-axis moving module 3. The fourth motor 51 is started, and power is transmitted from the gearbox 52 to the output shaft 53. The tool-grabbing plate 54 starts to rotate until the tool-grabbing groove 541 contacts the gripping part 71 of the tool 7. The push rod 542 is held and retracts. After the gripping part 71 is fully inserted into the tool-grabbing groove 541, the push rod 542 pops out and is locked in the limit groove 72. At this time, the tool 7 is fixed on the tool-grabbing plate 54. The x-axis moving module 2 is moved to pull the tool sleeve 6 out of the tool 7. The tool-changing unit 5 is rotated again to rotate another tool-grabbing groove 541 with the replaced tool 7 to the corresponding position of the tool sleeve 6 on the tool-grabbing unit 4. The tool sleeve 6 is installed on the tool 7 via the x-axis moving module 2. Then the tool-grabbing plate 54 is rotated again to disengage the tool-grabbing groove 541 from the tool 7. Then, the tool holder 6 with the tool 7 is installed onto the tool holder seat 12 by the x-axis moving module 2 and the y-axis moving module 3. The tool release cylinder 81 is activated, which makes the clamping plate 82 move closer to the tool holder seat 12. The protrusion 821 locks the tool holder 6 on the tool holder seat 12 to prevent the tool holder 6 from falling off when passing by. When it is necessary to change the tool again, the tool change action can be completed in the same way as above. When the tool-grabbing unit 4 performs the tool-grabbing action of the current tool magazine 1, it sends a command to the first motor 13 of the other tool magazine 1 to rotate the target tool 7 to the slot 101 to wait; when the tool-grabbing unit 4 completes the handover with the current tool magazine 1 and moves to the next tool magazine 1, it can directly grab the tool without waiting for the tool selection time of the other tool magazine 1.

[0030] In summary, this tool magazine, through its modular tool magazine 1 design, can significantly increase tool capacity. The separate tool magazine 1 also facilitates future increases in tool capacity if needed. By equipping each tool magazine 1 with an independent drive motor, the tool selection and positioning process and the tool 7 transport process can be executed in parallel. When the tool gripping unit 4 is moving or performing a tool change, the target tool magazine 1 can pre-rotate the next required tool 7 to the notch 1101, significantly reducing waiting time between processes and improving the overall system operating efficiency. This avoids the situation where existing tool magazines have excessively complex structures, significantly increased control difficulty, occupy a large amount of machine tool internal space, and significantly increase manufacturing costs.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A hybrid turning and milling chain tool storage magazine, characterized by: The machine includes at least two tool magazines (1) facing the same direction mounted on the frame. The tool magazines (1) are provided with a number of tool sleeves (6) for mounting tools (7). The tool magazines (1) have slots (101). The x-axis moving module (2) is installed on top of the tool magazine (1); The y-axis moving module (3) is installed at the bottom of the x-axis moving module (2), and the y-axis moving module (3) has a connecting plate (34) that matches the slot (101). The tool gripping unit (4) includes a clamping member that slides along a straight line for gripping or releasing the tool sleeve (6). The tool gripping unit (4) is installed at the bottom of the connecting plate (34). The y-axis moving module (3) drives the tool gripping unit (4) to move along the y-axis direction. The x-axis moving module (2) drives the y-axis moving module (3) and the tool gripping unit (4) to move along the x-axis direction. The tool changing unit (5) is installed at the passage of the tool grabbing unit (4). The tool changing unit (5) includes a tool grabbing plate (54), and both ends of the tool grabbing plate (54) are provided with tool grabbing grooves (541) for mounting the tool (7). The tool release unit (8) is installed in each tool chamber (1) and is used to controllably release the lock of the tool sleeve (6) at the slot (101); The x-axis moving module (2) is used to switch the tool gripping unit (4) between slots (101) of different tool magazines (1), and the y-axis moving module (3) is used to move the tool gripping unit (4) in and out of the slots (101) to grip the tool sleeve (6).

2. A hybrid chain tool magazine according to claim 1, characterized in that: Includes an annular track installed in the tool magazine (1), several tool holders (12) and a first motor (13). The tool holders (12) are movably mounted on the annular track. The first motor (13) is fixedly connected to the tool magazine (1) and drives the tool holders (12) to move along the annular guide rail. The vertical section of the circular track has a guide plate (11).

3. A hybrid chain tool magazine according to claim 2, characterized in that: Notches (1101) are provided on both sides of one of the guide plates (11) located at the slot (101); The release unit (8) has a release cylinder (81) fixedly connected to the blade chamber (1). The output end of the release cylinder (81) is fixedly connected to a clamping plate (82). The clamping plate (82) has a protrusion (821) that matches the notch (1101). The protrusion (821) extends to the surface of the blade sleeve (6).

4. The hybrid chain tool store according to claim 1, characterized in that: The gripper unit (4) includes a base (41) fixedly connected to the bottom of the connecting plate (34). The upper surface of the base (41) has a slide (411). A left slider (44) and a right slider (46) are slidably connected on the slide (411). The clamping member includes a left clamping plate (43) and a right clamping plate (45). The left clamping plate (43) has a left clamping part (431) on the side facing the right clamping plate (45) and is fixedly connected to the top of the left slider (44). The right clamping plate (45) has a right clamping part (451) on the side facing the left clamping plate (43) and is fixedly connected to the top of the right slider (46). A first cylinder (42) is installed on the side of the left clamping plate (43) away from the right clamping plate (45). A connecting column (47) is fixedly connected to the telescopic end of the first cylinder (42). The far end of the connecting column (47) is fixedly connected to the right clamping plate (45).

5. A hybrid chain tool storage magazine according to claim 4, characterized in that: Both ends of the connecting column (47) are equipped with plug screws (48). One end of the plug screw (48) is fixedly connected to the inner end face of the left clamping plate (43), and the other end is slidably connected to the right clamping plate (45). A spring (49) is nested on the plug screw (48). One end of the spring (49) is fixedly connected to the inner end face of the left clamping plate (43), and the other end is fixedly connected to the inner end face of the right clamping plate (45). The spring (49) always has elastic force.

6. A hybrid chain tool storage magazine according to claim 5, characterized in that: The base (41) is also provided with a limiting plate to limit the minimum distance between the left clamping plate (43) and the right clamping plate (45).

7. The hybrid chain tool store according to claim 1, characterized in that: The tool changing unit (5) has a reduction gearbox (52) fixedly connected to the frame. The input end of the reduction gearbox (52) is connected to the output end of the fourth motor (51). The output end is connected to an output shaft (53). The end of the output shaft (53) is fixedly connected to a tool gripping plate (54). Both ends of the tool gripping plate (54) are provided with tool gripping grooves (541). A top rod (542) is elastically telescopically connected to one side of the gripper groove (541).

8. The hybrid chain tool store according to claim 1, characterized in that: The x-axis moving module (2) includes a mounting bracket (21) installed on the top of the tool magazine (1). The mounting bracket (21) contains a second motor (22), a gearbox (23), a first lead screw (24), a first slider (25), and a mounting plate (26). The output end of the second motor (22) is connected to the input end of the gearbox (23). The output end of the gearbox (23) is connected to the first lead screw (24). The first slider (25) moves along the x-axis on the first lead screw (24). The mounting plate (26) is fixedly connected to the first slider (25).

9. The milling-turning composite chain tool magazine according to claim 8, characterized in that: The y-axis moving module (3) includes a third motor (31), a second lead screw (32), and a second slider (33) mounted on a mounting plate (26). The output end of the third motor (31) transmits power to the second lead screw (32) via a belt. The second slider (33) moves along the y-axis on the second lead screw (32). The top of the connecting plate (34) is fixedly connected to the second slider (33).

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