Tool changing system of disc type tool magazine

By installing a disk tool magazine tool change system with fixed plates, fixed cylinders, disc support frames, clamping mechanisms and drive mechanisms on the machine tool, the problem that the existing system cannot stably realize automatic tool change and installation of tools is solved, and efficient and stable tool replacement and storage are achieved.

CN119734131APending Publication Date: 2025-04-01DEDA MACHINERY KUNSHAN
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Patent Information

Application Number
CN202411672895.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-04-01

AI Technical Summary

Technical Problem

The existing disc tool magazine tool change system cannot stably realize the automatic tool change and installation of tools, and the storage space is limited, the tool change time is long, and the work efficiency is low.

Method used

A disc tool magazine tool change system is designed to realize the automatic clamping, transportation and installation of tool components by installing a fixing plate, a fixing cylinder, a disc support frame, a clamping mechanism and a drive mechanism on the machine tool. The system adopts a retractable collet and tool changer mechanism to ensure stable tool replacement.

Benefits of technology

It realizes a more stable and efficient automatic tool change and installation of the tool, reduces errors during the tool change process, improves tool change speed and efficiency, ensures stability of processing quality, and increases tool storage capacity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a tool changing system of a disc type tool magazine, and belongs to the technical field of tool changing of machine tools. Tool handle frame mechanisms for clamping tool assemblies are evenly arranged in the circumferential direction of a disc type supporting frame, a telescopic collet chuck is arranged in a rotating cylinder, and a tool changing frame mechanism is arranged in the outer circumferential direction of the rotating cylinder; the clamping mechanism clamps a tool assembly on the tool handle frame mechanism and conveys the tool assembly to the tool changing frame mechanism, and the driving mechanism drives the tool changing frame mechanism to clamp the tool assembly in the telescopic collet. A tool assembly needing to be replaced is rotated to be located under the clamping mechanism, the clamping mechanism clamps the tool assembly on the disc type supporting frame and transports the tool assembly to the tool changing frame mechanism, and the driving mechanism drives the tool assembly on the tool changing frame mechanism after tool changing to move to the position below the telescopic collet. The cutter handle of the cutter assembly and the telescopic collet are clamped, automatic cutter replacement and installation of the cutter can be more stably achieved, errors in the cutter replacement process are reduced, the cutter replacement speed and the cutter replacement efficiency are improved, and the stability of the machining quality is guaranteed.
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Description

Technical Field

[0001] The invention belongs to the technical field of machine tool tool changing, and in particular relates to a disc type tool magazine tool changing system. Background Art

[0002] The tool magazine system of machine tools is one of the key components used for automatic storage and replacement of tools in CNC machine tools and machining centers. It improves production efficiency, reduces manual operations, and improves the continuity and stability of the machining process through automation. Tool magazines include disc tool magazines, horizontal tool magazines, vertical tool magazines, chain tool magazines, and robotic arm tool magazines.

[0003] The tools of the disc tool magazine are arranged on a disc, and the tools are stored and retrieved by the rotation of the turntable. The existing disc tool magazine tool changing system cannot stably realize the automatic tool changing and installation of tools, and has the disadvantages of limited storage space, long tool changing time and low work efficiency. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a disc tool magazine tool changing system that improves the tool changing speed and efficiency and realizes the automatic tool changing and installation of the tool in a more stable manner.

[0005] The technical solution adopted to solve the above technical problems is: a first fixed plate is fixedly installed on the machine tool, a fixed cylinder is arranged at the bottom of the first fixed plate, a disc-type support frame is rotatably installed on the outer circumference of the fixed cylinder, and a plurality of tool holder rack mechanisms for clamping the tool assembly are evenly arranged in the circumferential direction of the disc-type support frame, and the tool assembly is: each tool holder rack mechanism clamps the tool handle respectively, a third fixed shaft is arranged on the top of each tool handle, and a tool is arranged at the bottom of each tool handle; a rotating cylinder is rotatably installed at the bottom of the fixed cylinder, and a retractable collet for clamping the tool assembly is arranged inside the rotating cylinder, and the retractable collet and the tool assembly The tool handle of the tool assembly is clamped, and a tool changing holder mechanism for clamping the tool assembly is arranged in the outer circumferential direction of the rotating cylinder. The tool changing holder mechanism is clamped with the tool handle of the tool assembly, and the tool changing holder mechanism is located below the tool handle holder mechanism. A clamping mechanism located just above one of the tool handle holder mechanisms is arranged on the first fixed plate. The clamping mechanism clamps the tool assembly on the tool handle holder mechanism and transports it to the tool changing holder mechanism. The clamping mechanism clamps the third fixed axis of the tool assembly. A side plate is fixedly installed on the machine tool, and a driving mechanism is arranged on the side plate for driving the tool changing holder mechanism to move to the bottom of the telescopic collet and clamp the tool handle of the tool assembly in the telescopic collet.

[0006] Furthermore, a third motor is arranged on the fixed cylinder, an output shaft of the third motor is fixedly connected to the second gear, and a second gear ring meshing with the second gear is arranged on the outer circumference of the rotating cylinder.

[0007] Furthermore, a third fixing ring is respectively arranged on the outer circumference of each tool handle, and each third fixing ring is respectively provided with a clamping groove clamped with the tool handle frame mechanism or the tool changing frame mechanism, and a clamping plate clamped with the clamping groove is provided at the bottom of the telescopic collet.

[0008] Furthermore, the tool holder frame mechanism is as follows: a plurality of third fixing plates are evenly arranged in the inner circumferential direction of the disc support frame, a second fixing rod is respectively arranged between every two adjacent third fixing plates, a plurality of second fixing plates are evenly arranged in the outer circumferential direction of the disc support frame, a first fixing rod is respectively arranged between every two adjacent second fixing plates, the number of the second fixing rods is equal to the number of the first fixing rods, two tool holder support rings are slidably connected to the corresponding second fixing rods and the first fixing rods, a plurality of first sliding grooves are evenly arranged in the circumferential direction of the disc support frame, the two tool holder support rings clamp the tool holder, a connecting hole is formed between the two tool holder support rings, and the disc support A plurality of first through holes are evenly processed in the circumferential direction of the frame and are respectively located below the connecting holes. The clamping mechanism slides in the connecting holes and the first through holes in the vertical direction. Each shank support ring is respectively provided with a clamping block clamped with the clamping groove on the third fixing ring. Each second fixing rod is respectively provided with a second spring located on both sides of the two shank support rings. One end of each second spring is respectively fixedly connected to the third fixing plate, and the other end of each second spring is respectively fixedly connected to the shank support ring. Each first fixing rod is respectively provided with a first spring located on both sides of the shank support ring. One end of each first spring is respectively fixedly connected to the shank support ring, and the other end of each first spring is respectively fixedly connected to the second fixing plate.

[0009] Furthermore, a first supporting plate is provided at the bottom of the first fixed plate, a first electric cylinder is provided on the first supporting plate, an output end of the first electric cylinder is fixedly connected to the contact block, a contact groove for contacting the contact block is respectively processed between each two tool handle support rings, and a disc-type support frame is evenly processed with engaging holes for engaging with the contact block in the circumferential direction.

[0010] Furthermore, a first motor is arranged on the fixed cylinder, an output shaft of the first support plate is fixedly connected to the first gear, and a first gear ring meshing with the first gear is arranged at the bottom of the disc support frame.

[0011] Furthermore, a second supporting plate is provided on the first fixed plate, a second electric cylinder is provided on the second supporting plate, an output end of the second electric cylinder is fixedly connected to the outer cylinder, a second through hole is processed on the first fixed plate and is slidably connected to the outer cylinder in a vertical direction, a bisector of the second through hole is respectively aligned with the bisectors of the connecting hole and the first through hole, a third electric cylinder is provided inside the outer cylinder, a conical contact head is provided at the output end of the third electric cylinder, a plurality of rotating shafts are rotatably installed inside the outer cylinder in a circumferential direction, a clamping plate located inside the outer cylinder is provided on each rotating shaft, the plurality of clamping plates are connected above by elastic rubber bands, the conical contact head contacts with the inner sides of the tops of the plurality of clamping plates, and the third fixed shaft is clamped at the lower ends of the plurality of clamping plates.

[0012] Further, a second fixing ring and a first fixing ring are arranged on the outer circumference of the rotating cylinder, the second fixing ring is located above the first fixing ring, a plurality of first fixing shafts are evenly arranged in the circumferential direction of the second fixing ring, a plurality of second fixing shafts are evenly arranged in the circumferential direction of the first fixing ring, both ends of each first fixing shaft are respectively rotatably connected to one end of the first connecting rod, the other end of each first connecting rod is respectively rotatably connected to one side of the support frame, the support frame is clamped with the driving mechanism, a fifth fixing plate is respectively arranged on each first connecting rod, a plurality of fourth fixing plates located on both sides of the first fixing shaft are arranged on the second fixing ring, each fourth fixing plate is respectively fixedly connected to the corresponding fifth fixing plate through a third spring, both ends of each second fixing shaft are respectively rotatably connected to one end of the third connecting rod, the other end of each third connecting rod is respectively rotatably connected to one side of the support frame, each first connecting rod is respectively rotatably connected to one end of the second connecting rod, the other end of each second connecting rod is respectively rotatably connected to the third connecting rod on the same side, a tool handle support plate is respectively arranged on each support frame, and each tool handle support plate is respectively provided with a clamping block clamped with the clamping groove on the outer circumference of the third fixing ring.

[0013] Furthermore, a sixth fixed plate is provided on one side of the side plate, and a second motor is provided on the other side of the side plate, the output shaft of the second motor is fixedly connected to the first bevel gear, the first bevel gear is rotatably connected to the side plate, a screw rod is rotatably installed on the sixth fixed plate, a second bevel gear meshing with the first bevel gear is provided at one end of the screw rod, the screw rod is threadedly connected to the slide plate, a guide rod is provided on both sides of the screw rod, the slide plate and the guide rod are slidably connected in a vertical direction, vertical sliding holes connected to the slide plate in a vertical direction are respectively processed on both sides of the sixth fixed plate, a third fixed rod is provided on the slide plate, a second sliding groove connected to the slide rod in a horizontal direction is processed on the third fixed rod, a sliding block is provided on the sliding block, the slide plate is fixedly connected to the pressure plate through a fourth spring, and a horizontal sliding hole connected to the slide plate in a horizontal direction is processed on the pressure plate.

[0014] The beneficial effects of the present invention are as follows: (1) The present invention rotates the tool assembly that needs to be replaced to a position directly below the clamping mechanism, the clamping mechanism clamps the tool assembly on the disc support frame and transports it to the tool changing frame mechanism, and the driving mechanism drives the tool assembly on the tool changing frame mechanism to move to the bottom of the retractable collet after tool change, and at the same time clamps the tool handle of the tool assembly with the retractable collet, which can provide a more stable realization of automatic tool change and installation of the tool, reduce the error in the tool changing process, improve the tool changing speed and efficiency, and ensure the stability of the processing quality.

[0015] (2) The present invention has a plurality of tool holder mechanisms for clamping tool assemblies installed in the circumferential direction of the disc support frame. The tools are arranged on the disc, which is convenient for storing a variety of tools. It has a large tool storage capacity and can save space for the machine tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment of a disc tool magazine tool changing system of the present invention.

[0017] Figure 2 yes Figure 1 Schematic diagram of the structure from another angle.

[0018] Figure 3 It is a schematic diagram of the structure of the tool handle, the third fixed axis and the tool.

[0019] Figure 4 It is a schematic diagram of the structure of the fixed cylinder, the third motor, the second gear ring and the second gear.

[0020] Figure 5 It is a schematic diagram of the structure of the retractable collet and the clamping plate.

[0021] Figure 6 It is a structural schematic diagram of the clamping mechanism and the tool holder frame mechanism.

[0022] Figure 7 It is a structural diagram of the tool holder frame mechanism.

[0023] Figure 8 yes Figure 7 Schematic diagram of the bottom structure.

[0024] Fig. 9 yes Figure 7 Schematic diagram of the structure without the tool assembly.

[0025] Fig.10 It is a structural schematic diagram of the first through hole and the clamping hole on the disc support frame.

[0026] Fig.11 It is a structural schematic diagram of the clamping mechanism.

[0027] Fig.12It is a schematic diagram of the internal structure of the outer cylinder.

[0028] Fig.13 It is a schematic diagram of the structure of the elastic rubber band, the clamping plate and the rotating shaft.

[0029] Fig.14 It is a structural diagram of the tool changer mechanism and the drive mechanism.

[0030] Fig.15 It is a structural diagram of the tool holder changing mechanism.

[0031] Fig.16 It is a structural schematic diagram of the tool handle support plate.

[0032] Fig.17 yes Fig.15 Schematic diagram of the structure in another state.

[0033] Fig.18 It is a schematic diagram of the structure of the first fixing ring and the second fixing ring.

[0034] Fig.19 It is a structural diagram of the driving mechanism.

[0035] Figure numerals: 1, first fixing plate; 2, knife handle; 3, knife handle frame mechanism; 301, first support plate; 302, first electric cylinder; 303, resistance block; 304, second fixing plate; 305, first fixing rod; 306, first spring; 307, knife handle support ring; 308, resistance groove; 309, first gear ring; 310, first motor; 311, first gear; 312, connecting hole; 313, third fixing plate; 314, second fixing rod; 315, second Spring; 316, clamping block; 317, first slide; 318, first through hole; 319, clamping hole; 4, disc support frame; 5, clamping mechanism; 501, second electric cylinder; 502, second support plate; 503, second through hole; 504, outer cylinder; 505, third electric cylinder; 506, conical contact head; 507, elastic rubber band; 508, clamping plate; 509, rotating shaft; 6, tool holder mechanism; 601, third spring; 602, support frame; 603, fourth fixed fixed plate; 604, first connecting rod; 605, fifth fixed plate; 606, second connecting rod; 607, third connecting rod; 608, tool handle support plate; 609, block; 610, first fixing ring; 611, second fixing ring; 612, first fixing shaft; 613, second fixing shaft; 7, tool; 8, drive mechanism; 801, second motor; 802, sixth fixed plate; 803, vertical slide hole; 804, slide plate; 805, third fixing rod; 806, first Four springs; 807, pressure plate; 808, horizontal sliding hole; 809, first bevel gear; 810, second bevel gear; 811, screw rod; 812, second slide groove; 813, slide rod; 814, slider; 815, guide rod; 9, side plate; 10, fixed cylinder; 11, rotating cylinder; 12, third fixed ring; 13, third fixed shaft; 14, snap-in groove; 15, third motor; 16, second gear ring; 17, second gear; 18, snap-in plate; 19, retractable collet. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0037] like Figures 1 to 5 As shown, the disc tool magazine tool changing system of this embodiment is composed of a first fixed plate 1, a tool handle 2, a tool handle frame mechanism 3, a disc support frame 4, a clamping mechanism 5, a tool changing frame mechanism 6, a tool 7, a driving mechanism 8, a side plate 9, a fixed cylinder 10, a rotating cylinder 11, a third fixed ring 12, a third fixed shaft 13, a clamping groove 14, a third motor 15, a second gear ring 16, a second gear 17, a clamping plate 18, and a retractable collet 19.

[0038] A first fixed plate 1 is fixedly installed on the machine tool, a fixed cylinder 10 is arranged at the bottom of the first fixed plate 1, a disc support frame 4 is rotatably installed on the outer circumference of the fixed cylinder 10, and a plurality of tool holder frame mechanisms 3 for clamping the tool assembly are evenly arranged in the circumferential direction of the disc support frame 4. The tool assembly is as follows: each tool holder frame mechanism 3 clamps the tool holder 2, each tool holder 2 is respectively provided with a third fixed shaft 13 at the top, each tool holder 2 is respectively provided with a third fixed ring 12 on the outer circumference, and each third fixed ring 12 is respectively provided with a clamping groove 14 clamped with the tool holder frame mechanism 3 or the tool change frame mechanism 6. A tool 7 is respectively arranged at the bottom of each tool holder 2, and each tool 7 is of a different type.

[0039] The rotating cylinder 11 is rotatably mounted at the bottom of the fixed cylinder 10, and a third motor 15 is arranged on the fixed cylinder 10. The output shaft of the third motor 15 is fixedly connected to the second gear 17, and a second gear ring 16 is arranged on the outer circumference of the rotating cylinder 11 to mesh with the second gear 17. A retractable collet 19 for clamping the tool assembly is arranged inside the rotating cylinder 11, and a clamping plate 18 clamped with the clamping groove 14 is arranged at the bottom of the retractable collet 19. The retractable collet 19 is clamped with the tool handle 2 of the tool assembly, and a tool changing holder mechanism 6 for clamping the tool assembly is arranged in the outer circumferential direction of the rotating cylinder 11. The tool changing holder mechanism 6 is clamped with the tool handle 2 of the tool assembly, and the tool changing holder mechanism 6 is located below the tool handle holder mechanism 3. A clamping mechanism 5 is arranged on the first fixed plate 1 and is located directly above one of the tool handle holder mechanisms 3. The clamping mechanism 5 clamps the tool assembly on the tool handle holder mechanism 3 and transports it to the tool changing holder mechanism 6. The clamping mechanism 5 clamps the third fixed axis 13 of the tool assembly. A side plate 9 is fixedly installed on the machine tool, and a driving mechanism 8 is arranged on the side plate 9 for driving the tool changing holder mechanism 6 to move to the bottom of the retractable collet 19 and clamp the tool handle 2 of the tool assembly in the retractable collet 19.

[0040] like Figures 7 to 10 As shown, the tool handle frame mechanism 3 is composed of a first support plate 301, a first electric cylinder 302, a resistance block 303, a second fixed plate 304, a first fixed rod 305, a first spring 306, a tool handle support ring 307, a resistance groove 308, a first gear ring 309, a first motor 310, a first gear 311, a connecting hole 312, a third fixed plate 313, a second fixed rod 314, a second spring 315, a clamping block 316, a first slide groove 317, a first through hole 318, and a clamping hole 319.

[0041] The tool holder mechanism 3 is as follows: a first motor 310 is arranged on the fixed cylinder 10 , an output shaft of the first support plate 301 is fixedly connected to a first gear 311 , and a first gear ring 309 meshing with the first gear 311 is arranged at the bottom of the disc support frame 4 . A plurality of third fixing plates 313 are evenly arranged in the inner circumferential direction of the disc support frame 4, and a second fixing rod 314 is respectively arranged between every two adjacent third fixing plates 313; a plurality of second fixing plates 304 are evenly arranged in the outer circumferential direction of the disc support frame 4, and a first fixing rod 305 is respectively arranged between every two adjacent second fixing plates 304, and the number of second fixing rods 314 is equal to the number of first fixing rods 305; two tool handle support rings 307 are slidably connected to the corresponding second fixing rods 314 and first fixing rods 305; a plurality of first sliding grooves 317 respectively slidably connected to the tool handle support rings 307 are evenly arranged in the circumferential direction of the disc support frame 4; the two tool handle support rings 307 clamp the tool handle 2, and a connecting hole 312 is formed between the two tool handle support rings 307; a plurality of respectively A first through hole 318 is located below the connecting hole 312, and the clamping mechanism 5 slides in the connecting hole 312 and the first through hole 318 in a vertical direction. Each handle support ring 307 is respectively provided with a clamping block 316 that is clamped with the clamping groove 14 on the third fixing ring 12, and each second fixing rod 314 is respectively provided with a second spring 315 located on both sides of the two handle support rings 307, one end of each second spring 315 is respectively fixedly connected to the third fixing plate 313, and the other end of each second spring 315 is respectively fixedly connected to the handle support ring 307, and each first fixing rod 305 is respectively provided with a first spring 306 located on both sides of the handle support ring 307, one end of each first spring 306 is respectively fixedly connected to the handle support ring 307, and the other end of each first spring 306 is respectively fixedly connected to the second fixing plate 304.

[0042] A first support plate 301 is arranged at the bottom of the first fixed plate 1, and a first electric cylinder 302 is arranged on the first support plate 301. The output end of the first electric cylinder 302 is fixedly connected to the resistance block 303, and a resistance groove 308 for resisting the resistance block 303 is respectively processed between each two tool handle support rings 307, and the disc support frame 4 is evenly processed with engaging holes 319 for engaging with the resistance block 303 in the circumferential direction.

[0043] like Figure 6 , Figures 11 to 13 As shown, the clamping mechanism 5 is composed of a second electric cylinder 501, a second support plate 502, a second through hole 503, an outer cylinder 504, a third electric cylinder 505, a conical contact head 506, an elastic rubber band 507, a clamping plate 508, and a rotating shaft 509.

[0044] The clamping mechanism 5 comprises: a second support plate 502 is arranged on the first fixing plate 1, a second electric cylinder 501 is arranged on the second support plate 502, an output end of the second electric cylinder 501 is fixedly connected to the outer cylinder 504, a second through hole 503 is processed on the first fixing plate 1 and is slidably connected to the outer cylinder 504 in a vertical direction, the midline of the second through hole 503 is the same line as the midline of the connecting hole 312 and the midline of the first through hole 318, and the outer cylinder 504 is provided with a A third electric cylinder 505 is provided, and a conical contact head 506 is provided at the output end of the third electric cylinder 505. Multiple rotating shafts 509 are installed in the outer cylinder 504 in a circumferential direction. Each rotating shaft 509 is provided with a clamping plate 508 located inside the outer cylinder 504. The tops of the multiple clamping plates 508 are connected by elastic rubber bands 507. The conical contact head 506 is in contact with the inner sides of the tops of the multiple clamping plates 508, and the lower ends of the multiple clamping plates 508 clamp the third fixed shaft 13.

[0045] like Figures 14 to 18 As shown, the tool changing mechanism 6 is composed of a third spring 601, a support frame 602, a fourth fixed plate 603, a first connecting rod 604, a fifth fixed plate 605, a second connecting rod 606, a third connecting rod 607, a tool handle support plate 608, a block 609, a first fixed ring 610, a second fixed ring 611, a first fixed shaft 612, and a second fixed shaft 613.

[0046] The tool changer mechanism 6 is as follows: a second fixing ring 611 and a first fixing ring 610 are arranged on the outer circumference of the rotating cylinder 11, the second fixing ring 611 is located above the first fixing ring 610, a plurality of first fixing shafts 612 are evenly arranged in the circumferential direction of the second fixing ring 611, a plurality of second fixing shafts 613 are evenly arranged in the circumferential direction of the first fixing ring 610, both ends of each first fixing shaft 612 are respectively rotatably connected to one end of the first connecting rod 604, the other end of each first connecting rod 604 is respectively rotatably connected to one side of the support frame 602, the support frame 602 is clamped with the driving mechanism 8, each first connecting rod 604 is respectively provided with a fifth fixing plate 605, a plurality of first fixing shafts 613 are arranged on the second fixing ring 611, and the first fixing shaft 613 is evenly arranged on the second fixing ring 611. 2, each fourth fixing plate 603 is fixedly connected to the corresponding fifth fixing plate 605 through the third spring 601, each second fixing shaft 613 has two ends rotatably connected to one end of the third connecting rod 607, and the other end of each third connecting rod 607 is rotatably connected to one side of the support frame 602, each first connecting rod 604 is rotatably connected to one end of the second connecting rod 606, and the other end of each second connecting rod 606 is rotatably connected to the third connecting rod 607 on the same side, and each support frame 602 is provided with a handle support plate 608, and each handle support plate 608 is provided with a clamping block 609 clamped with the clamping groove 14 on the outer circumference of the third fixing ring 12.

[0047] like Fig.14 , Fig.19 As shown, the driving mechanism 8 is composed of a second motor 801, a sixth fixed plate 802, a vertical sliding hole 803, a slide plate 804, a third fixed rod 805, a fourth spring 806, a pressure plate 807, a horizontal sliding hole 808, a first bevel gear 809, a second bevel gear 810, a screw rod 811, a second sliding groove 812, a sliding rod 813, a slider 814, and a guide rod 815.

[0048] The driving mechanism 8 comprises: a sixth fixing plate 802 is arranged on one side of the side plate 9, a second motor 801 is arranged on the other side of the side plate 9, an output shaft of the second motor 801 is fixedly connected to the first bevel gear 809, the first bevel gear 809 is rotatably connected to the side plate 9, a screw rod 811 is rotatably mounted on the sixth fixing plate 802, a second bevel gear 810 meshing with the first bevel gear 809 is arranged at one end of the screw rod 811, the screw rod 811 is threadedly connected to the slide plate 804, the sixth fixing plate 802 is provided with guide rods 815 located on both sides of the screw rod 811, and the slide plate 80 4 is slidably connected with the guide rod 815 in the vertical direction, vertical sliding holes 803 are respectively processed on both sides of the sixth fixing plate 802 to be slidably connected with the sliding plate 804 in the vertical direction, the sliding plate 804 is provided with a third fixing rod 805, the third fixing rod 805 is processed with a second sliding groove 812 to be slidably connected with the sliding rod 813 in the horizontal direction, the sliding rod 813 is provided with a sliding block 814, the sliding plate 804 is fixedly connected with the pressing plate 807 through a fourth spring 806, and the pressing plate 807 is processed with a horizontal sliding hole 808 to be slidably connected with the sliding block 814 in the horizontal direction.

[0049] The working principle of this embodiment is as follows: (1) the tool assembly to be replaced is rotated to a position directly below the clamping mechanism 5. The clamping mechanism 5 clamps the tool assembly on the disc support frame 4 and transports it to the tool changing frame mechanism 6: in the initial state, the tool handle 2 is clamped between every two tool handle support rings 307 on the disc support frame 4, and the clamping grooves 14 on the outer circumference of the tool handle 2 are clamped with the clamping blocks 316 on the tool handle support ring 307.

[0050] Select the required tool assembly, control the second gear 17 to rotate through the third motor 15, the second gear 17 drives the second gear ring 16 to rotate by meshing with the second gear ring 16, the second gear ring 16 drives the rotating cylinder 11 and the retractable collet 19 inside the rotating cylinder 11, and the tool changer mechanism 6 on the outer circumference of the rotating cylinder 11 to rotate, and the tool handle support plate 608 of the tool changer mechanism 6 is rotated to be located directly below the clamping mechanism 5. The output shaft of the first motor 310 drives the first gear 311 to rotate, the first gear 311 drives the first gear ring 309 to rotate by meshing with the first gear ring 309, the first gear ring 309 drives the disc support frame 4 to rotate, the disc support frame 4 drives the tool assemblies on the multiple tool handle frame mechanisms 3 to rotate to be located directly below the outer cylinder 504, the output end of the second electric cylinder 501 drives the outer cylinder 504 to pass through the second through hole 503 on the first fixed plate 1, and the bottom of the multiple clamping plates 508 inside the outer cylinder 504 moves The output end of the third electric cylinder 505 drives the conical contact head 506 to move downward in the vertical direction until it contacts the outer circumference of the third fixed shaft 13 at the top of the tool assembly clamped between the two tool handle support rings 307. The conical contact head 506 moves until it contacts the inner side walls of the tops of the multiple clamping plates 508. The multiple clamping plates 508 inside the outer cylinder 504 rotate inside the outer cylinder 504 through the rotating shaft 509 respectively. The tops of the multiple clamping plates 508 are spread open, and the third fixed shaft 13 is clamped between the bottoms of the multiple clamping plates 508. The output end of the first electric cylinder 302 drives the abutment block 303 to move downward in the vertical direction, and the abutment block 303 moves to abut against the abutment grooves 308 on the two tool handle support rings 307. The two tool handle support rings 307 slide on the first fixed rod 305 and the second fixed rod 314 respectively. The sliding directions of the two tool handle support rings 307 are opposite. The two tool handle support rings 307 are spread open, and the abutment block 303 moves to engage with the engaging holes 319 on the disc support frame 4. The second electric cylinder 501 continues to work, and the two tool handle support rings 307 are separated from the tool assembly, driving the tool assembly to pass through the connecting hole 312 and the first through hole 318 in sequence. Move to the tool handle support plate 608, the clamping block 609 on the tool handle support plate 608 is clamped with the clamping groove 14 on the outer circumference of the third fixed ring 12 on the tool handle 2, and the output end of the third electric cylinder 505 drives the conical contact head 506 to move upward in the vertical direction. The conical contact head 506 moves to separate from the inner side walls of the tops of the multiple clamping plates 508, and the multiple clamping plates 508 inside the outer cylinder 504 are respectively rotated inside the outer cylinder 504 through the rotating shaft 509, the tops of the multiple clamping plates 508 are merged, and the multiple clamping plates 508 are loosened to separate from the third fixed shaft 13, and the outer cylinder 504 drives the outer cylinder 504 to above the first fixed plate 1.

[0051] (2) The driving mechanism 8 drives the tool assembly on the tool changing frame mechanism 6 after tool change to move to the bottom of the retractable collet 19, and at the same time clamps the tool handle 2 of the tool assembly with the retractable collet 19: the third motor 15 continues to control the second gear 17 to rotate, and the second gear 17 drives the second gear ring 16 to rotate by meshing with the second gear ring 16. The second gear ring 16 drives the rotating cylinder 11 and the retractable collet 19 inside the rotating cylinder 11, and the tool changing frame mechanism 6 on the outer circumference of the rotating cylinder 11 to rotate, and the support frame 602 of the tool changing frame mechanism 6 is moved to the bottom of the front end of the pressure plate 807.

[0052] The output shaft of the second motor 801 drives the first bevel gear 809 to rotate, and the first bevel gear 809 drives the second bevel gear 810 to rotate by meshing with the second bevel gear 810, and the second bevel gear 810 drives the screw rod 811 to rotate, and the slide plate 804 slides downward along the vertical direction on the screw rod 811. At the same time, the slide plate 804 slides downward along the vertical direction on the guide rods 815 located on both sides of the screw rod 811, and the slide plate 804 drives the third fixed rod 805, the sliding rod 813 and the pressing plate 807 to move downward along the vertical direction, and the pressing plate 80 The front end of 7 is clamped with the support frame 602, and the clamping plate 508 drives the parts on the support frame 602 to move in the vertical direction. At the same time, the support frame 602 drives the first connecting rods 604 on both sides to rotate respectively, and the two first connecting rods 604 rotate on the first fixed axis 612 respectively. The support frame 602 drives the third connecting rods 607 on both sides to rotate respectively, and the two third connecting rods 607 rotate on the second fixed axis 613 respectively. The second connecting rod 606 on each third connecting rod 607 rotates on the first connecting rod 604 respectively. Fig.17 Movement state movement to Fig.15 state of motion.

[0053] The tool assembly on the tool handle support plate 608 moves to the bottom of the retractable collet 19, the second motor 801 reverses, the slide plate 804 drives the third fixed rod 805, the slide rod 813 and the pressure plate 807 to move upward in the vertical direction, and the tool assembly on the tool handle support plate 608 moves to engage with the retractable collet 19, and the engaging plate 18 of the retractable collet 19 engages with the engaging groove 14 on the outer circumference of the third fixed ring 12 on the tool handle 2 to complete the tool changing work.

[0054] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A disc tool magazine tool changing system, characterized in that: A first fixed plate (1) is fixedly installed on the machine tool, a fixed cylinder (10) is arranged at the bottom of the first fixed plate (1), a disc support frame (4) is rotatably installed on the outer circumference of the fixed cylinder (10), and a plurality of tool holder frame mechanisms (3) for clamping a tool assembly are evenly arranged in the circumferential direction of the disc support frame (4), wherein the tool assembly comprises: each tool holder frame mechanism (3) clamps a tool holder (2), a third fixed shaft (13) is arranged at the top of each tool holder (2), and a tool (7) is arranged at the bottom of each tool holder (2); A rotating cylinder (11) is rotatably mounted at the bottom of the fixed cylinder (10), a retractable collet (19) for clamping a tool assembly is arranged inside the rotating cylinder (11), the retractable collet (19) is clamped with a tool handle (2) of the tool assembly, a tool changer mechanism (6) for clamping the tool assembly is arranged in the outer circumferential direction of the rotating cylinder (11), the tool changer mechanism (6) is clamped with a tool handle (2) of the tool assembly, the tool changer mechanism (6) is located below the tool handle frame mechanism (3), and a first fixed plate (1) is provided with a A clamping mechanism (5) is disposed directly above a tool holder frame mechanism (3), the clamping mechanism (5) clamps the tool assembly on the tool holder frame mechanism (3) and transports it to the tool change frame mechanism (6), the clamping mechanism (5) clamps the third fixed axis (13) of the tool assembly, a side plate (9) is fixedly mounted on the machine tool, and a driving mechanism (8) is disposed on the side plate (9) for driving the tool change frame mechanism (6) to move to the bottom of the telescopic collet (19) and clamp the tool holder (2) of the tool assembly in the telescopic collet (19).

2. The disc tool magazine tool changing system according to claim 1, characterized in that: The fixed cylinder (10) is provided with a third motor (15), the output shaft of the third motor (15) is fixedly connected to the second gear (17), and the outer circumference of the rotating cylinder (11) is provided with a second gear ring (16) meshing with the second gear (17).

3. The disc tool magazine tool changing system according to claim 1, characterized in that: A third fixing ring (12) is respectively arranged on the outer circumference of each of the tool handles (2); each of the third fixing rings (12) is respectively provided with a clamping groove (14) clamped with the tool handle frame mechanism (3) or the tool change frame mechanism (6); and a clamping plate (18) clamped with the clamping groove (14) is respectively arranged at the bottom of the telescopic collet (19).

4. The disc tool magazine tool changing system according to claim 3, characterized in that: The tool handle frame mechanism (3) comprises: a plurality of third fixing plates (313) are evenly arranged in the inner circumferential direction of the disc-type support frame (4), a second fixing rod (314) is respectively arranged between every two adjacent third fixing plates (313), a plurality of second fixing plates (304) are evenly arranged in the outer circumferential direction of the disc-type support frame (4), a first fixing rod (305) is respectively arranged between every two adjacent second fixing plates (304), and the number of the second fixing rods (314) is equal to the number of the first fixing rods (305). The number of the rods (305) is equal, and two tool handle support rings (307) are slidably connected to the corresponding second fixed rods (314) and the first fixed rods (305). The disc support frame (4) is evenly provided with a plurality of first sliding grooves (317) slidably connected to the tool handle support rings (307) in the circumferential direction. The two tool handle support rings (307) clamp the tool handle (2), and a connecting hole (312) is formed between the two tool handle support rings (307). The disc support frame (4) is evenly processed in the circumferential direction. There are a plurality of first through holes (318) respectively located below the connecting hole (312); the clamping mechanism (5) slides in the connecting hole (312) and the first through hole (318) in a vertical direction; each handle support ring (307) is respectively provided with a clamping block (316) clamped with a clamping groove (14) on the third fixing ring (12); each second fixing rod (314) is respectively provided with a second spring (315) located on both sides of the two handle support rings (307); each second spring One end of each second spring (315) is fixedly connected to the third fixed plate (313), the other end of each second spring (315) is fixedly connected to the handle support ring (307), each first fixed rod (305) is provided with a first spring (306) located on both sides of the handle support ring (307), one end of each first spring (306) is fixedly connected to the handle support ring (307), and the other end of each first spring (306) is fixedly connected to the second fixed plate (304).

5. The disc tool magazine tool changing system according to claim 4, characterized in that: A first support plate (301) is arranged at the bottom of the first fixed plate (1), a first electric cylinder (302) is arranged on the first support plate (301), an output end of the first electric cylinder (302) is fixedly connected to a resistance block (303), a resistance groove (308) for resisting the resistance block (303) is processed between each two tool handle support rings (307), and a disc support frame (4) is uniformly processed with engaging holes (319) for engaging the resistance block (303) in a circumferential direction.

6. The disc tool magazine tool changing system according to claim 4, characterized in that: The fixed cylinder (10) is provided with a first motor (310), the output shaft of the first support plate (301) is fixedly connected to the first gear (311), and the bottom of the disc support frame (4) is provided with a first gear ring (309) meshing with the first gear (311).

7. The disc tool magazine tool changing system according to claim 4, characterized in that: The clamping mechanism (5) comprises: a first fixing plate (1) is provided with a second supporting plate (502), a second supporting plate (502) is provided with a second electric cylinder (501), an output end of the second electric cylinder (501) is fixedly connected to an outer cylinder (504), a second through hole (503) is processed on the first fixing plate (1) and is slidably connected to the outer cylinder (504) in a vertical direction, the midline of the second through hole (503) is respectively aligned with the midline of the connecting hole (312) and the midline of the first through hole (318), and the inner part of the outer cylinder (504) is A third electric cylinder (505) is provided, and a conical contact head (506) is provided at the output end of the third electric cylinder (505). A plurality of rotating shafts (509) are rotatably mounted inside the outer cylinder (504) in a circumferential direction. A clamping plate (508) located inside the outer cylinder (504) is provided on each rotating shaft (509). The tops of the plurality of clamping plates (508) are connected by elastic rubber bands (507). The conical contact head (506) is in contact with the inner sides of the tops of the plurality of clamping plates (508), and the lower ends of the plurality of clamping plates (508) clamp the third fixed shaft (13).

8. The disc tool magazine tool changing system according to claim 1, characterized in that: The tool changer mechanism (6) is as follows: a second fixing ring (611) and a first fixing ring (610) are arranged on the outer circumference of the rotating cylinder (11); the second fixing ring (611) is located above the first fixing ring (610); a plurality of first fixing shafts (612) are evenly arranged on the circumferential direction of the second fixing ring (611); a plurality of second fixing shafts (613) are evenly arranged on the circumferential direction of the first fixing ring (610); both ends of each first fixing shaft (612) are respectively rotatably connected to one end of a first connecting rod (604); the other end of each first connecting rod (604) is respectively rotatably connected to one side of a support frame (602); the support frame (602) is clamped with a driving mechanism (8); each first connecting rod (604) is respectively provided with a fifth fixing plate (605); a plurality of fixing plates (605) located on the first fixing shaft are arranged on the second fixing ring (611); The fourth fixed plates (603) on both sides of (612), each fourth fixed plate (603) is fixedly connected to the corresponding fifth fixed plate (605) through the third spring (601), each second fixed shaft (613) has two ends respectively connected to one end of the third connecting rod (607), the other end of each third connecting rod (607) is respectively connected to one side of the support frame (602), each first connecting rod (604) is respectively connected to one end of the second connecting rod (606), the other end of each second connecting rod (606) is respectively connected to the third connecting rod (607) on the same side, each support frame (602) is provided with a knife handle support plate (608), each knife handle support plate (608) is respectively provided with a clamping block (609) clamped with the clamping groove (14) on the outer circumference of the third fixed ring (12).

9. The disc tool magazine tool changing system according to claim 8, characterized in that: The driving mechanism (8) comprises: a sixth fixing plate (802) is arranged on one side of the side plate (9), a second motor (801) is arranged on the other side of the side plate (9), an output shaft of the second motor (801) is fixedly connected to the first bevel gear (809), the first bevel gear (809) is rotatably connected to the side plate (9), a screw rod (811) is rotatably mounted on the sixth fixing plate (802), a second bevel gear (810) meshing with the first bevel gear (809) is arranged at one end of the screw rod (811), the screw rod (811) is threadedly connected to the slide plate (804), the sixth fixing plate (802) is provided with guide rods (815) located on both sides of the screw rod (811), and the slide plate (804) is provided with a plurality of guide rods (815) disposed on the sixth fixing plate (802). The plate (804) is slidably connected to the guide rod (815) in the vertical direction. The sixth fixed plate (802) is machined with vertical sliding holes (803) on both sides thereof, which are slidably connected to the slide plate (804) in the vertical direction. The slide plate (804) is provided with a third fixed rod (805). The third fixed rod (805) is machined with a second sliding groove (812) which is slidably connected to the slide rod (813) in the horizontal direction. The slide rod (813) is provided with a sliding block (814). The slide plate (804) is fixedly connected to the pressure plate (807) through a fourth spring (806). The pressure plate (807) is machined with a horizontal sliding hole (808) which is slidably connected to the sliding block (814) in the horizontal direction.

Citation Information

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