Automatic tool magazine with quick clamping tool changing function

Abstract

This invention relates to the field of automatic tool magazine technology, specifically an automatic tool magazine with a quick clamping and tool changing function. It includes a tool magazine body, a storage component, a quick clamping component, and a double-spring driven floating clamping structure. This structure enables automatic clamping upon tool insertion and automatic unlocking upon tool removal, eliminating the need for multiple manual operations such as bolt tightening. One-button quick tool clamping and changing significantly shortens tool changing auxiliary time and improves CNC machining production efficiency. A tapered surface combined with a sloping plate forms a double pre-positioning guide, automatically centering and correcting the tool during insertion to avoid radial deviation, ensuring uniform clamping force distribution, preventing damage to the tool holder from unilateral stress, and improving clamping accuracy and subsequent machining quality. A scraper simultaneously removes chips and coolant adhering to the tool holder, and a sloping chip guide combined with a detachable chip frame enables centralized collection. The screw-driven scraper is height-adjustable and automatically compensates for scraper wear.

Description

Technical Field

[0001] This invention relates to the field of automatic tool magazine technology, specifically an automatic tool magazine with a quick tool changing function. Background Technology

[0002] As is well known, automatic tool magazines are core components of high-end CNC equipment such as CNC machine tools and machining centers. They play a crucial role in tool storage, automatic tool changing, and precise clamping. The ease of tool clamping, tool changing speed, and clamping accuracy directly determine the production efficiency, product machining accuracy, and continuous operation capability of CNC machining.

[0003] Traditional automatic tool magazines often employ a multi-step manual operation structure involving bolt tightening and nut rotation for tool clamping and changing. This process is cumbersome, time-consuming, and labor-intensive, failing to enable rapid tool clamping and replacement. It significantly increases non-machining time and severely restricts the production efficiency of CNC machining. Even when some devices use a single-stroke rapid clamping mechanism, they lack a matching floating pre-centering guide structure. Without a pre-positioning step during tool insertion, radial misalignment easily occurs, leading to uneven force on one side of the clamping jaws, damage to the tool shank, and a significant decrease in clamping accuracy, directly impacting subsequent machining quality. Furthermore, during machining, the tool shank accumulates a large amount of chips and coolant. When the tool is inserted, chips easily enter the gap between the guide sleeve and the clamping mechanism, causing accelerated wear on the mating surfaces and mechanism jamming failure. Scraped chips accumulate at the cutting edge and are carried into the clamping area with the tool's re-insertion, further exacerbating wear and jamming problems. In addition, the guide sleeve is constantly subjected to tool friction and chip scraping, causing wear on the scraper blade. The inability to automatically compensate for scraper wear leads to a continuous decline in chip removal effectiveness, significantly shortening the equipment's lifespan. Summary of the Invention

[0004] Technical problems to be solved To overcome the problems of existing automatic tool magazines, such as the inability to quickly clamp and change tools, the lack of a pre-positioning mechanism when inserting tools, the easy entry of chips into the gap between the guide sleeve and the clamping mechanism when inserting tools, and the inability to automatically compensate for scraper wear, this invention provides an automatic tool magazine with a quick clamping and tool changing function.

[0005] Technical solution To achieve the above objectives, the present invention provides the following technical solution: an automatic tool magazine with rapid tool changing function, comprising: Tool magazine main body; A holding assembly, the holding assembly being mounted on the tool magazine body; and A quick-clamping assembly is mounted on the holding assembly. The quick-clamping assembly includes a mounting frame, which is fixedly disposed on both sides of the holding assembly. A top block is slidably disposed within the mounting frame, and a vertical plate is fixedly disposed within the mounting frame. A sliding post is fixedly disposed on the side of the top block, and the sliding post is slidably disposed with the vertical plate. A first spring is sleeved on the sliding post, and the first spring is fixedly disposed with the vertical plate and the top block. A support seat is slidably disposed on the side of the top block.

[0006] Preferably, a horizontal plate is fixedly provided on the side of the top block, and a first sliding groove is provided on the horizontal plate. A slider is slidably arranged in the first sliding groove, and the slider is fixedly arranged with the support base. A first sliding column is fixedly provided in the first sliding groove, and a second spring is sleeved on the first sliding column. The second spring is fixedly arranged with the slider and the inner wall of the first sliding groove. A holding groove is provided on the support base, and an inclined plate is fixedly provided on the side of the top block. The inclined plate is adapted to the holding groove.

[0007] Furthermore, a limiting plate is fixedly provided on one side of the top of the support base, a scraper is slidably provided on the top of the limiting plate, and an inlet cone surface is provided on one side of the top of the limiting plate.

[0008] Furthermore, a mounting base is fixedly provided on the top side of the limiting plate, and a debris frame is detachably provided on the side of the limiting plate. The top of the debris frame fits into the bottom of the mounting base, and an inclined surface is provided on the side of the mounting base, with the lower end of the inclined surface close to the debris frame.

[0009] In a further embodiment, a top groove is formed on the vertical plate, which is slidably disposed with the scraper. A threaded groove is formed on the bottom of the scraper. A first screw is rotatably disposed at the bottom of the top groove, and the first screw is threadedly disposed with the threaded groove. A first bevel gear is fixedly disposed at the bottom of the screw. A rotating shaft is rotatably disposed on the side of the vertical plate. A second bevel gear is fixedly disposed at the other end of the rotating shaft. The first bevel gear and the second bevel gear mesh with each other. The other end of the rotating shaft passes through the vertical plate and a handle is fixedly disposed at the other end of the rotating shaft. A locking nut is threadedly disposed at the end of the rotating shaft near the handle, and the locking nut is in contact with the side of the vertical plate.

[0010] Based on the aforementioned solution, the holding component includes a holding frame, which is detachably mounted on the tool magazine body. The holding frame has trays fixedly mounted on both sides, and trapezoidal placement blocks are fixedly mounted on both sides of the bottom of the holding frame. The trapezoidal placement blocks are mirror images of each other and extend from high to low toward the center of the holding frame.

[0011] Furthermore, based on the aforementioned solution, the tool magazine body includes mounting rods on both sides, a first support rod is fixedly disposed between the mounting rods, the first support rod extends along the length direction of the mounting rods, a second support rod is fixedly disposed between the sides of the mounting rods, the second support rod extends along the length direction of the mounting rods, a mounting frame is fixedly disposed on the top of the first support rod and the second support rod, a connecting rod is fixedly disposed between the first support rod and the second support rod, a reinforcing rod is fixedly disposed on the connecting rod, the other end of the reinforcing rod is fixedly disposed to the first support rod, and a base support is fixedly disposed at the bottom of the mounting rod and the reinforcing rod.

[0012] Furthermore, based on the aforementioned solution, limiting frames are fixedly installed on both sides of the bottom of the holding frame. The first support rod and the second support rod are provided with slots that are adapted to the limiting frames. The limiting frames are slidably disposed with the slots. Limiting plates are fixedly installed on both sides of the bottom of the limiting frames. Limiting slots are provided on both sides of the limiting plates. Limiting posts are slidably disposed in the limiting slots. A locking block is fixedly disposed between the limiting posts. The locking block is slidably disposed with the limiting plates and is adapted to the limiting slots.

[0013] Furthermore, based on the aforementioned scheme, a locking post is fixedly installed inside the limiting groove, the locking post is slidably installed with the limiting post, a third spring is sleeved on the locking post, and the third spring is fixedly installed with the inner wall of the limiting groove and the limiting post.

[0014] Furthermore, based on the aforementioned solution, a reset groove is provided on one side of the bottom of the limiting frame, a reset rod is fixedly provided at the bottom of the limiting frame, the reset rod is slidably disposed with the reset groove, and a moving rod is fixedly provided at the top of the reset rod.

[0015] Beneficial effects This automated tool magazine features quick tool change functionality: 1. The floating clamping structure driven by dual springs enables automatic clamping upon tool insertion and automatic unlocking upon tool removal, eliminating the need for multiple manual operations such as bolt tightening. It allows for quick tool clamping and replacement with a single click, significantly reducing tool change auxiliary time and improving CNC machining production efficiency.

[0016] 2. The tapered surface and inclined plate form a double pre-positioning guide, which automatically centers and corrects the tool when it is inserted, avoids radial deviation, ensures uniform distribution of clamping force, prevents damage to the tool holder due to force on one side, and improves clamping accuracy and subsequent machining quality.

[0017] 3. The scraper simultaneously removes chips and coolant attached to the tool holder. The inclined chip guide, together with the detachable chip frame, achieves centralized collection. The screw-driven scraper can be raised and lowered for adjustment, automatically compensating for scraper wear, stabilizing chip removal effect, and preventing chips from entering the mating gap, thus preventing mechanical wear and jamming failure.

[0018] 4. The tool holder frame enables toolless quick assembly and disassembly via spring clips and slots, allowing for complete replacement of the tool holding unit and rapid switching between different batches and specifications of tools, significantly improving the tool library's operational efficiency and scenario adaptability.

[0019] 5. The frame-type main structure with multiple support rods and reinforcing rods has high overall rigidity and load-bearing capacity. It is stable during operation and ensures long-term stability of automatic tool changing and clamping, making it suitable for the continuous operation needs of high-end equipment such as CNC machine tools and machining centers. Attached Figure Description

[0020] Figure 1 This is a side view of the structure of the present invention; Figure 2 This is a schematic diagram of the main structure of the tool magazine of the present invention; Figure 3 This is a schematic diagram of the structure of the container component of the present invention; Figure 4 This is a schematic diagram of the frame structure of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the structure at point AA; Figure 6 This is a schematic diagram of the structure of the support base of the present invention; Figure 7 This is a schematic diagram of the slider of the present invention; Figure 8 This is a schematic diagram of the structure of the limiting plate of the present invention; Figure 9 For the present invention Figure 8 A magnified schematic diagram of the local structure at point A; Figure 10 This is a schematic diagram of the structure of the limiting plate of the present invention; Figure 11 For the present invention Figure 10 A magnified schematic diagram of the local structure at point B; Figure 12 This is a schematic diagram of the limiting frame of the present invention; Figure 13 This is a schematic diagram of the structure of the card block of the present invention; Figure 14 This is a schematic diagram of the slot structure of the present invention.

[0021] In the diagram: 1. Tool magazine body; 2. Storage assembly; 3. Quick clamping assembly; 4. Mounting frame; 5. Top block; 6. Vertical plate; 7. Sliding column; 8. First spring; 9. Support base; 10. Horizontal plate; 11. First slide groove; 12. Slider; 13. First sliding column; 14. Second spring; 15. Storage slot; 16. Inclined plate; 17. Limiting plate; 18. Scraper; 19. Guide cone; 20. Mounting base; 21. Chip box; 22. Inclined surface; 23. Top groove; 24. Threaded groove; 25. First screw; 26. ... 27. First bevel gear; 28. Rotating shaft; 29. ​​Second bevel gear; 30. Handle; 31. Locking nut; 32. Container frame; 33. Support plate; 34. Trapezoidal placement block; 35. Mounting rod; 36. First support rod; 37. Second support rod; 38. Connecting rod; 39. Reinforcing rod; 40. Base support; 41. Limiting frame; 42. Locking slot; 43. Positioning plate; 44. Limiting slot; 45. Limiting post; 46. Locking block; 47. Locking post; 48. Third spring; 49. Reset slot; 50. Reset rod; 61. Moving rod. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. 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 are within the scope of protection of the present invention.

[0023] See Figures 1-14 An automatic tool magazine with a quick clamping and tool changing function includes a tool magazine body 1, a holding component 2 installed on the tool magazine body 1, and a quick clamping component 3 installed on the holding component 2.

[0024] The tool magazine body 1 serves as the rigid load-bearing foundation of the entire device. It is welded from high-strength steel and provides a stable installation platform for the storage component 2 and the quick clamping component 3. This ensures that the device operates without shaking or deformation and is suitable for the continuous operation requirements of high-end CNC equipment such as CNC machine tools and machining centers.

[0025] The storage component 2 adopts a modular and detachable design, which provides classified storage and positioning support for tools. It can be quickly disassembled and replaced as a whole, adapting to the rapid switching of different batches and specifications of tools, greatly improving the operation and maintenance efficiency and scenario adaptability of the tool library.

[0026] The quick clamping assembly 3 adopts a double-spring floating clamping structure, which enables automatic clamping when inserting the tool and automatic unlocking when pulling it out. It eliminates the need for multiple manual operations such as tightening bolts, and completes the quick clamping and replacement of tools with one click, significantly shortening the tool change auxiliary time and improving the production efficiency of CNC machining.

[0027] The quick clamping assembly 3 includes a mounting frame 4, which is fixedly mounted on both sides of the holding assembly 2. A top block 5 is slidably mounted inside the mounting frame 4, and a vertical plate 6 is fixedly mounted inside the mounting frame 4. A sliding column 7 is fixedly mounted on the side of the top block 5. The sliding column 7 is slidably mounted with the vertical plate 6. A first spring 8 is sleeved on the sliding column 7. The first spring 8 is fixedly mounted with the vertical plate 6 and the top block 5. A support seat 9 is slidably mounted on the side of the top block 5.

[0028] Mounting frame 4 adopts a U-shaped structure with the opening facing the tool insertion direction, providing a closed mounting space for components such as top block 5 and vertical plate 6, ensuring that the transmission structure is not contaminated by chips and coolant.

[0029] The top block 5 has a cuboid structure and can slide horizontally along the inner wall of the mounting frame 4 to provide a mounting base for the support seat 9.

[0030] The vertical plate 6 is fixed at the center of the mounting frame 4, dividing the mounting frame 4 into left and right chambers, providing sliding guidance for the sliding column 7.

[0031] The sliding column 7 passes horizontally through the vertical plate 6, with one end firmly welded to the side of the top block 5 and the other end extending to the other side of the vertical plate 6, ensuring that the top block 5 can only slide smoothly in the horizontal direction and will not have radial displacement.

[0032] The first spring 8 is sleeved on the sliding column 7, located between the vertical plate 6 and the top block 5. Under normal conditions, it is in a compressed state, providing a continuous inward pushing force to the top block 5 to achieve automatic clamping of the tool. When the tool is pulled out, the first spring 8 rebounds and drives the top block 5 to reset, completing automatic unlocking.

[0033] The support base 9 adopts a floating design and can slide up and down along the side of the top block 5. Its function is to support the shank of the tool and, together with the inclined plate 16, achieve the centering and clamping of the tool.

[0034] A horizontal plate 10 is fixedly installed on the side of the top block 5. A first sliding groove 11 is provided on the horizontal plate 10. A slider 12 is slidably arranged in the first sliding groove 11. The slider 12 is fixedly installed with the support base 9. A first sliding column 13 is fixedly installed in the first sliding groove 11. A second spring 14 is sleeved on the first sliding column 13. The second spring 14 is fixedly installed with the slider 12 and the inner wall of the first sliding groove 11. A holding groove 15 is provided on the support base 9. An inclined plate 16 is fixedly installed on the side of the top block 5. The inclined plate 16 is adapted to the holding groove 15.

[0035] The horizontal plate 10 is fixed horizontally to the lower side of the top block 5, providing an installation base for the first sliding groove 11 and the first sliding column 13.

[0036] The first groove 11 is opened along the vertical direction of the horizontal plate 10 to provide directional sliding guidance for the slider 12, ensuring that the slider 12 can only slide smoothly in the vertical direction.

[0037] Two sliders 12 are provided, symmetrically distributed on the upper and lower sides of the first slide groove 11, and fixedly connected to the upper and lower ends of the support base 9 respectively, so as to drive the support base 9 to slide synchronously.

[0038] The first sliding column 13 is arranged along the vertical direction of the first sliding groove 11, and its two ends are fixedly connected to the upper and lower inner walls of the first sliding groove 11, providing a through sliding guide for the slider 12, and providing coaxial mounting and positioning for the second spring 14.

[0039] Two second springs 14 are provided, respectively sleeved on the upper and lower ends of the first sliding column 13. Under normal conditions, they push the two sliders 12 to move towards each other, causing the support seat 9 to move closer to the center, and cooperate with the inclined plate 16 to achieve the centering and clamping of the tool.

[0040] The holding groove 15 is located at the center of the clamping surface of the support 9. It is an arc-shaped groove structure that matches the shape of the tool shank. Its function is to support the tool shank and limit the radial displacement of the tool.

[0041] The inclined plate 16 is fixed at the center of the side of the top block 5, between the two support seats 9. The inclined surface 22 faces the tool insertion direction. When the tool is inserted and pushes the support seat 9 to move backward, the inclined plate 16 is inserted into the holding groove 15 between the two support seats 9. The inclined surface 22 squeezes and pushes the two support seats 9 to move towards each other, realizing automatic centering and clamping of the tool, ensuring that the clamping force is evenly distributed, and avoiding damage to the tool holder by force on one side.

[0042] A limiting plate 17 is fixedly installed on one side of the top of the support base 9. A scraper 18 is slidably installed on the top of the limiting plate 17. An inlet cone surface 19 is opened on one side of the top of the limiting plate 17. A mounting base 20 is fixedly installed on one side of the top of the limiting plate 17. A debris frame 21 is detachably installed on the side of the limiting plate 17. The top of the debris frame 21 is in contact with the bottom of the mounting base 20. An inclined surface 22 is opened on the side of the mounting base 20. The lower end of the inclined surface 22 is close to the debris frame 21.

[0043] The limiting plate 17 is vertically fixed to the top of the support base 9, providing a mounting base for the scraper 18 and the guide cone surface 19.

[0044] The inlet cone 19 is located at the front end of the limiting plate 17. It is shaped like a flared mouth, with the large opening facing the tool insertion direction and the small opening coaxially aligned with the holding groove 15. Its function is to provide a pre-positioning guide for tool insertion, guide the tool to automatically center, avoid radial deviation when the tool is inserted, and improve clamping accuracy from the root.

[0045] The scraper 18 is made of wear-resistant hard alloy material. The bottom cutting edge fits in close to the outer diameter of the tool shank. Its function is to scrape off the chips and coolant attached to the surface of the tool shank during the insertion and removal of the tool, so as to prevent chips from entering the mating gap of the quick clamping assembly 3 and causing wear and jamming failure of the mechanism.

[0046] Mounting base 20 is fixed to the top rear end of limiting plate 17, providing support for inclined surface 22.

[0047] The inclined surface 22 is inclined, with its upper end close to the scraper 18 and its lower end extending above the debris frame 21. Its function is to guide the chips and coolant scraped off by the scraper 18 to flow smoothly into the debris frame 21 for centralized collection.

[0048] The chip box 21 adopts a pull-out design and can be pulled out from the side of the limiting plate 17, which makes it convenient for staff to clean the collected chips regularly without stopping the machine to disassemble the device, ensuring the continuous operation of the production line.

[0049] A top groove 23 is provided on the vertical plate 6, and the top groove 23 is slidably disposed with the scraper 18. A threaded groove 24 is provided at the bottom of the scraper 18. A first screw 25 is rotatably disposed at the bottom of the top groove 23. The first screw 25 and the threaded groove 24 are connected by threads. A first bevel gear 26 is fixedly disposed at the bottom of the first screw 25. A rotating shaft 27 is rotatably disposed on the side of the vertical plate 6. A second bevel gear 28 is fixedly disposed at the other end of the rotating shaft 27. The first bevel gear 26 and the second bevel gear 28 mesh. The other end of the rotating shaft 27 passes through the vertical plate 6. A handle 29 is fixedly disposed at the other end of the rotating shaft 27. A locking nut 30 is threadedly disposed at the end of the rotating shaft 27 near the handle 29. The locking nut 30 is in contact with the side of the vertical plate 6.

[0050] The top groove 23 is opened along the vertical direction of the vertical plate 6, providing space for the scraper 18 to be raised and lowered.

[0051] The first screw 25 and the threaded groove 24 at the bottom of the scraper 18 form a screw-nut transmission structure, which can convert the rotational motion of the first screw 25 into the vertical lifting motion of the scraper 18, thereby achieving precise adjustment of the height of the scraper 18.

[0052] The first bevel gear 26 is fixed to the bottom of the first screw 25 and precisely meshes with the second bevel gear 28 at the end of the rotating shaft 27. This can convert the horizontal rotational power of the rotating shaft 27 into the vertical rotational power of the first screw 25, thus achieving a 90-degree change in the transmission direction.

[0053] The handle 29 is fixed to the outer end of the rotating shaft 27, providing a point of force for manual operation. Without any auxiliary tools, the height of the scraper 18 can be adjusted by rotating the handle 29, compensating for the wear caused by long-term use of the scraper 18 and maintaining a stable chip removal effect over a long period of time.

[0054] The locking nut 30 is connected to the rotating shaft 27 by threads. After the height of the scraper 18 is adjusted, tighten the locking nut 30 so that it is close to the side of the vertical plate 6 to lock the position of the rotating shaft 27, prevent the scraper 18 from shifting during use, and ensure stable chip removal effect.

[0055] The holding component 2 includes a holding frame 31, which is detachably mounted on the tool magazine body 1. A tray 32 is fixedly mounted on both sides of the holding frame 31, and trapezoidal placement blocks 33 are fixedly mounted on both sides of the bottom of the holding frame 31. The trapezoidal placement blocks 33 are mirror images of each other and extend from high to low toward the center of the holding frame 31.

[0056] The holding frame 31 adopts a rectangular frame structure, providing a mounting base for the quick clamping assembly 3, while also providing storage space for the cutting tools.

[0057] The pallet 32 ​​is horizontally fixed to the top of both sides of the container 31, which facilitates the movement of the container 31 by staff to achieve overall replacement.

[0058] Two trapezoidal placement blocks 33 are provided and symmetrically fixed on both sides of the bottom of the holding frame 31. The inclined surface 22 faces the center of the holding frame 31. Its function is to provide support for the bottom of the tool. When the tool is inserted into the quick clamping assembly 3, the side of the tool falls on the inclined surface 22 of the trapezoidal placement block 33 and automatically slides towards the center to center, further improving the clamping accuracy of the tool and preventing the tool from tilting or shaking during storage.

[0059] The tool magazine body 1 includes mounting rods 34 on both sides. A first support rod 35 is fixedly installed between the mounting rods 34 and extends along the length of the mounting rods 34. A second support rod 36 is fixedly installed between the sides of the mounting rods 34 and extends along the length of the mounting rods 34. A mounting frame 4 is fixedly installed on the top of the first support rod 35 and the second support rod 36. A connecting rod 37 is fixedly installed between the first support rod 35 and the second support rod 36. A reinforcing rod 38 is fixedly installed on the connecting rod 37. The other end of the reinforcing rod 38 is fixedly installed to the first support rod 35. A base support 39 is fixedly installed at the bottom of the mounting rods 34 and the reinforcing rod 38.

[0060] Two mounting rods 34 are provided, which are distributed in parallel on both sides of the device to provide a mounting base for the first support rod 35 and the second support rod 36.

[0061] The first support rod 35 and the second support rod 36 are arranged in parallel and at equal intervals along the length of the mounting rod 34 to form a multi-layer support structure. Multiple holding frames 31 can be installed at the same time to realize the batch storage of multiple tools.

[0062] The connecting rod 37 is vertically fixed between the first support rod 35 and the second support rod 36 to enhance the lateral stability of the frame structure.

[0063] The reinforcing rod 38 adopts an oblique support design, with both ends fixedly connected to the connecting rod 37 and the first support rod 35 respectively, forming a triangular reinforcement structure, which greatly improves the overall rigidity and load-bearing capacity of the frame and prevents the device from shaking during the tool changing process.

[0064] The base 39 is made of thickened steel plate and is fixed to the bottom of the mounting rod 34 and the reinforcing rod 38 to increase the contact area between the device and the ground, improve the stability of the device and prevent the device from tipping over.

[0065] Limiting frames 40 are fixedly installed on both sides of the bottom of the holding frame 31. The first support rod 35 and the second support rod 36 have locking grooves 41 adapted to the limiting frames 40. The limiting frames 40 and the locking grooves 41 are slidably disposed. Limiting plates 42 are fixedly installed on both sides of the bottom of the limiting frames 40. Limiting grooves 43 are opened on both sides of the limiting plates 42. Limiting posts 44 are slidably disposed within the limiting grooves 43. Locking blocks 45 are fixedly disposed between the limiting posts 44, and the locking blocks 45 are slidably disposed with the limiting plates 42. The locking block 45 is adapted to the limiting groove 43. A locking post 46 is fixedly installed in the limiting groove 43. The locking post 46 and the limiting post 44 are slidably installed. A third spring 47 is sleeved on the locking post 46. The third spring 47 is fixedly installed to the inner wall of the limiting groove 43 and the limiting post 44. A reset groove 48 is opened on one side of the bottom of the limiting frame 40. A reset rod 49 is fixedly installed at the bottom of the limiting frame 40. The reset rod 49 is slidably installed to the reset groove 48. A moving rod 50 is fixedly installed at the top of the reset rod 49.

[0066] The limiting frame 40 adopts an L-shaped structure and is fixed on both sides of the bottom of the holding frame 31. It is precisely matched with the locking groove 41 on the first support rod 35 and the second support rod 36. Its function is to provide installation positioning for the holding frame 31 and ensure that the installation position of the holding frame 31 is accurate.

[0067] The limiting plate 42 is fixed to the bottom inner side of the limiting frame 40, providing sliding installation space for the card block 45.

[0068] Two limit posts 44 are provided, which are distributed in parallel within the limit groove 43 to provide sliding guidance for the locking block 45.

[0069] The front end of the card block 45 is an angled structure, and the rear end is fixedly connected to the limiting post 44. Its function is to be inserted into the card slot in the limiting groove 43 to realize the automatic locking of the holding frame 31.

[0070] The third spring 47 is fitted onto the locking post 46. Under normal conditions, it pushes the locking block 45 forward and engages in the limiting groove 43 to ensure a stable locking state.

[0071] The reset rod 49 is vertically fixed to the top of the locking block 45 and extends into the reset groove 48. The moving rod 50 is fixed to the top of the reset rod 49. Its function is to facilitate the operator to manually pull the locking block 45 backward to release the locking state and realize the quick disassembly of the holding frame 31.

[0072] The entire disassembly and assembly process requires no auxiliary tools, and a single person can complete the replacement of the entire holding frame 31, which greatly improves the maintenance efficiency of the tool magazine.

[0073] First, refer to Figure 3 , Figure 5 , Figure 6 and Figure 7 In this embodiment, the floating clamping structure driven by the dual springs pushes the top block 5 through the first spring 8 and pushes the support seat 9 through the second spring 14, realizing automatic clamping when the tool is inserted and automatic unlocking when it is pulled out. This eliminates the need for multiple manual operations such as tightening bolts, and allows for quick tool clamping and replacement with one click. This shortens tool change time, significantly reduces non-machining auxiliary time, and greatly improves the production efficiency of CNC machining.

[0074] Then, refer to Figure 3 , Figure 6 and Figure 8 In this embodiment, the guide cone 19 at the front end of the limiting plate 17, together with the inclined plate 16 on the side of the top block 5, forms a double pre-positioning guide structure. When the tool is inserted, it first completes the initial centering through the guide cone 19, and then the inclined plate 16 squeezes the support seat 9 to achieve precise clamping. This completely avoids radial deviation when the tool is inserted, ensures that the clamping force is evenly distributed around the tool holder, prevents the tool holder from being deformed or scratched on one side, and improves the clamping accuracy and subsequent machining quality from the root.

[0075] Secondly, see Figure 7 , Figure 8 and Figure 9 In this embodiment, the scraper 18 simultaneously scrapes away the chips and coolant attached to the handle. The inclined surface 22 of the mounting base 20 guides the chips into the detachable chip frame 21 for centralized collection. The height of the scraper 18 can be precisely adjusted by rotating the handle 29 in conjunction with the screw drive, automatically compensating for the wear caused by long-term use of the scraper 18, maintaining a stable chip removal effect over a long period of time, and preventing chips from entering the clamping mechanism's clearance gap, which would cause increased wear and jamming failure, thus significantly extending the service life of the equipment.

[0076] Again, see Figure 3 , Figure 12 and Figure 13In this embodiment, the holding frame 31 is automatically locked by the sliding cooperation between the limiting frame 40 and the limiting groove 43, and the spring-driven locking block 45. It can be quickly unlocked by pressing the moving rod 50. The entire disassembly and replacement of the holding frame 31 can be completed without any tools. Different specifications of tool holding units can be pre-installed to realize the rapid switching of tools for different batches of processing, which greatly improves the operation and maintenance efficiency and scenario adaptability of the tool library.

[0077] Finally, see Figure 2 In this embodiment, the frame-type main structure consisting of the first support rod 35 and the second support rod 36 with the reinforcing rod 38 has high overall rigidity and load-bearing capacity. It can store dozens of heavy-duty tools at the same time, and there is no shaking or deformation during operation, ensuring the long-term stability of automatic tool changing and clamping, and is suitable for the operation requirements of high-end equipment such as CNC machine tools and machining centers.

[0078] Working principle: When using this automatic tool magazine with quick clamping and tool changing function, the device is first installed at a designated position on a CNC machine tool or machining center. According to the machining requirements, the holding frame 31 pre-loaded with tools to be used is installed on the main body 1 of the tool magazine.

[0079] During installation, align the limiting frame 40 at the bottom of the holding frame 31 with the limiting groove 43 on the first support rod 35 or the second support rod 36 and insert it. The bevel at the front end of the locking block 45 is squeezed by the edge of the limiting groove 43, causing the locking block 45 to compress the third spring 47 backward. When the limiting frame 40 is fully inserted into the limiting groove 43, the locking block 45 extends forward under the rebound action of the third spring 47 and locks into the slot in the limiting groove 43, completing the automatic locking of the holding frame 31 without additional fixing operation.

[0080] When clamping the tool, align the shank of the tool with the guide cone 19 at the front end of the limiting plate 17 and insert it. The guide cone 19 guides the tool to automatically center and avoids radial deviation. As the tool continues to be inserted, the shank pushes the support seat 9 and the top block 5 to move backward, compressing the first spring 8. At the same time, the inclined plate 16 on the side of the top block 5 is inserted into the holding groove 15 between the two support seats 9. The inclined surface 22 squeezes and pushes the two support seats 9 to move towards each other along the first slide groove 11, compressing the second spring 14. The two support seats 9 clamp the shank of the tool synchronously. The elastic force of the first spring 8 and the second spring 14 work together to firmly clamp the tool, completing the automatic clamping.

[0081] During the insertion of the tool, the scraper 18 is in close contact with the surface of the tool holder, simultaneously scraping off the chips and coolant attached to the tool holder. The scraped chips flow along the inclined surface 22 of the mounting base 20 into the chip frame 21 for collection.

[0082] When the scraper 18 wears down after long-term use and the chip removal effect decreases, loosen the locking nut 30, turn the handle 29 to drive the rotating shaft 27 and the second bevel gear 28 to rotate, and drive the first screw 25 to rotate through the meshing transmission with the first bevel gear 26. The first screw 25 drives the scraper 18 to move upward along the top groove 23 through the thread transmission with the scraper 18 to compensate for the wear. After adjusting the scraper 18 to be close to the surface of the handle, tighten the locking nut 30 to lock the position, and the chip removal effect can be restored.

[0083] When changing the tool, simply pull the tool out. The tool will move the support base 9 and the top block 5 forward. The first spring 8 will rebound and push the top block 5 back to its original position. The inclined plate 16 will exit from the holding slot 15. The second spring 14 will rebound and push the two support bases 9 to move in the opposite direction, releasing the tool handle and completing the automatic unlocking without any manual operation.

[0084] When it is necessary to change to a different specification of tool, press the moving rod 50 to drive the reset rod 49 and the locking block 45 to move backward, compress the third spring 47, and make the locking block 45 exit from the locking slot in the limiting groove 43. Then the holding frame 31 can be pulled out as a whole, and the holding frame 31 pre-loaded with other tools can be replaced. This enables quick switching of tools for different batches of processing without disassembling and assembling each tool individually, greatly improving tool changing efficiency.

[0085] During the entire operation of the device, the frame-type main structure provides stable support, the quick clamping component 3 realizes automatic clamping and unlocking of the tool, the scraper 18 continuously cleans the chip from the tool holder, and the modular holding frame 31 enables quick replacement. No manual intervention is required throughout the process, and the operation is stable and reliable, which greatly improves the production efficiency and processing quality of CNC machining and perfectly adapts to the automation and continuous operation requirements of high-end CNC equipment.

[0086] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic tool magazine with quick clamping tool change function, characterized in that, include: Tool magazine main body (1); A holding assembly (2) is mounted on the tool magazine body (1); as well as A quick clamping assembly (3) is installed on the holding assembly (2). The quick clamping assembly (3) includes a mounting frame (4). The mounting frame (4) is fixedly disposed on both sides of the holding assembly (2). A top block (5) is slidably disposed inside the mounting frame (4). A vertical plate (6) is fixedly disposed inside the mounting frame (4). A sliding column (7) is fixedly disposed on the side of the top block (5). The sliding column (7) is slidably disposed with the vertical plate (6). A first spring (8) is sleeved on the sliding column (7). The first spring (8) is fixedly disposed with the vertical plate (6) and the top block (5). A support seat (9) is slidably disposed on the side of the top block (5).

2. The automatic tool magazine with quick clamping tool changing function according to claim 1, characterized in that, A horizontal plate (10) is fixedly provided on the side of the top block (5). A first sliding groove (11) is provided on the horizontal plate (10). A slider (12) is slidably arranged in the first sliding groove (11). The slider (12) is fixedly arranged with the support base (9). A first sliding column (13) is fixedly arranged in the first sliding groove (11). A second spring (14) is sleeved on the first sliding column (13). The second spring (14) is fixedly arranged with the slider (12) and the inner wall of the first sliding groove (11). A holding groove (15) is provided on the support base (9). An inclined plate (16) is fixedly provided on the side of the top block (5). The inclined plate (16) is adapted to the holding groove (15).

3. The automatic tool magazine with quick clamping tool changing function according to claim 1, characterized in that, A limiting plate (17) is fixedly provided on one side of the top of the support base (9), a scraper (18) is slidably provided on the top of the limiting plate (17), and an inlet cone surface (19) is provided on one side of the top of the limiting plate (17).

4. The automatic tool magazine with quick clamping and tool changing function according to claim 3, characterized in that, A mounting base (20) is fixedly provided on one side of the top of the limiting plate (17). A debris frame (21) is detachably provided on the side of the limiting plate (17). The top of the debris frame (21) is in contact with the bottom of the mounting base (20). An inclined surface (22) is provided on the side of the mounting base (20), and the lower end of the inclined surface (22) is close to the debris frame (21).

5. The automatic tool magazine with quick clamping and tool changing function according to claim 3, characterized in that, The vertical plate (6) has a top groove (23) which is slidably disposed with the scraper (18). The scraper (18) has a threaded groove (24) at its bottom. A first screw (25) is rotatably disposed at the bottom of the top groove (23). The first screw (25) is threadedly disposed with the threaded groove (24). A first bevel gear (26) is fixedly disposed at the bottom of the screw. A rotating shaft (27) is rotatably disposed on the side of the vertical plate (6). A second bevel gear (28) is fixedly disposed at the other end of the rotating shaft (27). The first bevel gear (26) meshes with the second bevel gear (28). The other end of the rotating shaft (27) passes through the vertical plate (6). A handle (29) is fixedly disposed at the other end of the rotating shaft (27). A locking nut (30) is threadedly disposed at the end of the rotating shaft (27) near the handle (29). The locking nut (30) is in contact with the side of the vertical plate (6).

6. The automatic tool magazine with quick clamping and tool changing function according to claim 1, characterized in that, The holding component (2) includes a holding frame (31), which is detachably mounted on the tool magazine body (1). The holding frame (31) is fixedly mounted on both sides of the holding frame (31), and trapezoidal placement blocks (33) are fixedly mounted on both sides of the bottom of the holding frame (31). The trapezoidal placement blocks (33) are mirror images of each other and extend from high to low toward the center of the holding frame (31).

7. The automatic tool magazine with quick clamping and tool changing function according to claim 1, characterized in that, The tool magazine body (1) includes mounting rods (34) on both sides. A first support rod (35) is fixedly arranged between the mounting rods (34). The first support rod (35) extends along the length direction of the mounting rods (34). A second support rod (36) is fixedly arranged between the sides of the mounting rods (34). The second support rod (36) extends along the length direction of the mounting rods (34). The mounting frame (4) is fixedly arranged on the top of the first support rod (35) and the second support rod (36). A connecting rod (37) is fixedly arranged between the first support rod (35) and the second support rod (36). A reinforcing rod (38) is fixedly arranged on the connecting rod (37). The other end of the reinforcing rod (38) is fixedly arranged with the first support rod (35). A base support (39) is fixedly arranged at the bottom of the mounting rods (34) and the reinforcing rod (38).

8. The automatic tool magazine with quick clamping and tool changing function according to claim 7, characterized in that, Limiting frames (40) are fixedly provided on both sides of the bottom of the holding frame (31). The first support rod (35) and the second support rod (36) are provided with slots (41) that are adapted to the limiting frames (40). The limiting frames (40) and the slots (41) are slidably arranged. Limiting plates (42) are fixedly provided on both sides of the bottom of the limiting frame (40). Limiting slots (43) are provided on both sides of the limiting plates (42). Limiting posts (44) are slidably arranged in the limiting slots (43). A locking block (45) is fixedly arranged between the limiting posts (44). The locking block (45) is slidably arranged with the limiting plates (42). The locking block (45) is adapted to the limiting slots (43).

9. The automatic tool magazine with quick clamping and tool changing function according to claim 8, characterized in that, A locking post (46) is fixedly installed in the limiting groove (43). The locking post (46) is slidably installed with the limiting post (44). A third spring (47) is sleeved on the locking post (46). The third spring (47) is fixedly installed with the inner wall of the limiting groove (43) and the limiting post (44).

10. The automatic tool magazine with quick clamping and tool changing function according to claim 8, characterized in that, A reset groove (48) is provided on one side of the bottom of the limiting frame (40), and a reset rod (49) is fixedly provided at the bottom of the limiting frame (40). The reset rod (49) is slidably disposed with respect to the reset groove (48), and a moving rod (50) is fixedly provided at the top of the reset rod (49).

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