Tool bit switching device of vertical machining center

Abstract

The utility model discloses a vertical machining center tool bit switching device which is applied to the field of numerical control machining and comprises a workbench, a moving mechanism is arranged on the workbench, and a tool storage mechanism is arranged on the moving mechanism. Firstly, the working table can set the moving mechanism and the knife storage mechanism, then the moving mechanism can drive the knife storage mechanism to move so that the knife storage mechanism can move to a designated position for knife changing operation, and the knife storage mechanism comprises a mounting table, a motor, a rotating column, a rotating disc, a fixing groove, a knife head and a locking assembly. Firstly, the motor can be mounted through the mounting table, the tool bits can be fixed in the fixing grooves through the locking assemblies, then the mounting table can drive the rotating disc to move so that the rotating disc with the tool bits can move to the corresponding position, and then the motor can drive the rotating column to rotate so that the rotating disc can be driven to rotate so that the corresponding tool bits can rotate to the proper position.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerical control machining, and particularly relates to a tool head switching device for a vertical machining center. Background Art

[0002] With the rapid development of the machinery industry and the continuous improvement of automation, machining centers, as a highly integrated CNC machine tool, have become an indispensable and important equipment in modern manufacturing. The automatic tool changer, as the core component of the machining center, is directly related to the processing efficiency and stability of the whole machine.

[0003] The Chinese utility model patent currently announced is CN220680126U, which discloses a tool head switching device for a vertical machining center, which is provided with a CNC machine tool and a switching mechanism. The CNC machine tool includes a workbench, a support frame is installed on one side of the workbench, a first fixed plate is installed on one side of the support frame, and a hydraulic cylinder is installed on the top of the first fixed plate. Through the use of the switching mechanism, the user can replace the tool head without touching the tool head, thereby reducing the risk of injury to the user when replacing the tool head.

[0004] This patent only places the cutter head in the slot on the supporting sleeve and lacks a limiting structure for the cutter head. When the turntable is rotated, the cutter head in the slot can be easily thrown out, causing a safety hazard. Utility Model Content

[0005] The utility model aims to provide a tool head switching device for a vertical machining center, which solves the problem that the existing tool head switching device for a vertical machining center lacks a limiting structure for the tool head. When the turntable is rotated, the tool head in the slot is easily thrown out, causing a safety hazard.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a tool head switching device for a vertical machining center, comprising a workbench, a moving mechanism is arranged on the workbench, and a tool storage mechanism is arranged on the moving mechanism;

[0007] The knife storage mechanism includes a mounting platform, a motor, a rotating column, a rotating disk, a fixed groove, a cutter head and a locking assembly. The mounting platform is arranged in a moving mechanism, the motor is arranged on the lower surface of the mounting platform, the rotating column is arranged on the output shaft of the motor, the rotating column passes through the mounting platform and is connected to the mounting platform bearing, the rotating disk is arranged on the upper surface of the rotating column, the fixed groove is opened on the rotating disk, the number of the fixed grooves is several and they are arranged circumferentially, the cutter head is arranged in the fixed groove, the locking assembly is arranged on the rotating disk, and the locking assembly is used to fix the cutter head in the fixed groove.

[0008] The above technical scheme is adopted, by setting a workbench, a moving mechanism and a knife storage mechanism. When in use, the workbench can first set the moving mechanism Hull knife storage mechanism, and then the moving mechanism can drive the knife storage mechanism to move, so that the knife storage mechanism moves to a designated position to perform a tool changing operation, wherein the knife storage mechanism includes a mounting table, a motor, a rotating column, a rotating disk, a fixed groove, a cutter head and a locking assembly. When in use, the mounting table can first install the motor, the locking assembly can fix the cutter head in the fixed groove, and then the mounting table can drive the rotating disk to move, so that the rotating disk with the cutter head moves to the corresponding position, and then the motor can drive the rotating column to rotate, and then drive the rotating disk to rotate, so that the corresponding cutter head rotates to the appropriate position.

[0009] Further: the moving mechanism includes a through groove, a first cylinder, a limit groove and a limit block, the through groove is opened on the workbench, the first cylinder is arranged at one end of the workbench, the telescopic end of the first cylinder is connected to the mounting table, the limit groove is opened on both sides of the through groove, the limit block is arranged on both sides of the mounting table, and the limit block is slidably connected in the limit groove.

[0010] By adopting the above technical solution, a through groove, a first cylinder, a limit groove and a limit block are set. When in use, the first cylinder is first connected to the mounting platform, and the first cylinder can drive the mounting platform to move in the through groove, so that the mounting platform moves to the corresponding position. Then, during the movement of the mounting platform, the limit block can move in the limit groove. By using the limit block and the limit groove in coordination, the movement of the mounting platform can be limited.

[0011] Further: the locking assembly includes a spring piece, a locking nut, a snap-in groove and a snap-in joint, the spring piece is arranged on the rotating disk, the spring piece is arranged in a U-shape, the locking nut is arranged on the rotating disk, the locking nut is used to fix the spring piece on the rotating disk, the snap-in groove is arranged on the cutter head, the snap-in joint is arranged at one end of the spring piece, and the snap-in joint and the snap-in groove are arranged in coordination.

[0012] By adopting the above technical solution, by setting the spring sheet, locking nut, clamping groove and clamping joint, when in use, first the locking nut can fix the spring sheet on the rotating disk, when the cutter head is placed into the fixing groove, the cutter head can squeeze the clamping joint on the spring sheet to deform the spring sheet, when the clamping joint contacts the clamping groove, the spring sheet restores its deformation, so that the clamping joint enters the clamping groove, and then fixes the cutter head in the fixing groove, thereby preventing the cutter head from being thrown out and causing safety hazards.

[0013] Further: a mounting plate is arranged on the workbench, the mounting plate is arranged in an L-shape, a second cylinder is arranged on the mounting plate, and a chuck fixture is arranged on the telescopic shaft of the second cylinder.

[0014] By adopting the above technical solution, by setting up a mounting plate, a second cylinder and a chuck fixture, when the tool head needs to be replaced, first move the rotating disk to the bottom of the chuck fixture, and then drive the chuck fixture downward by the second cylinder, so that the tool head in the chuck fixture enters the fixing slot where the tool head is not placed. At this time, release the chuck fixture and replace the tool head. Then the second cylinder drives the chuck fixture to rise and rotate the rotating disk to rotate the tool head that meets the corresponding requirements on the rotating disk to the bottom of the chuck fixture. Then, drive the chuck fixture down by the second cylinder to make the tool head enter the chuck fixture, and fix the tool head by the chuck fixture.

[0015] Further: a touch sensor is provided at one end of the through slot away from the first cylinder.

[0016] By adopting the above technical solution and setting a touch sensor, when the mounting platform contacts the touch sensor, it means that the rotating sleeve is located below the chuck fixture, and the first cylinder is closed at this time.

[0017] Furthermore: support columns are arranged at the bottom of the workbench, the number of the support columns is several and they are evenly arranged, and anti-slip pads are arranged on the lower surfaces of the support columns.

[0018] By adopting the above technical solution, by setting the support column and the anti-skid pad, when in use, the support column can provide a supporting effect on the workbench, and then the anti-skid pad can increase the friction between the support column and the ground, thereby improving the stability of the workbench.

[0019] Further: an inclined portion is provided on the clamping groove.

[0020] By adopting the above technical solution and setting the inclined portion, when inserting or removing the cutter head, it is necessary to squeeze the card joint through the card slot. The setting of the inclined portion can make it easier to put down and remove the cutter head and avoid damage to the card joint caused by the card slot.

[0021] Further: the mounting plate is provided with reinforcing ribs, and the number of the reinforcing ribs is several and evenly arranged.

[0022] By adopting the above technical solution, reinforcing ribs are provided. When in use, the reinforcing ribs are provided on the mounting plate, which can improve the load-bearing capacity of the mounting plate.

[0023] In summary, the utility model has the following beneficial effects:

[0024] By setting up the knife storage mechanism, when in use, first the mounting table can install the motor, the locking assembly can fix the knife head in the fixed groove, and then the mounting table can drive the rotating disk to move, so that the rotating disk with the knife head moves to the corresponding position, and then the motor can drive the rotating column to rotate, and then drive the rotating disk to rotate, so that the corresponding knife head rotates to the appropriate position.

[0025] By setting up a locking assembly, when in use, first the locking nut can fix the spring piece on the rotating disk. When the cutter head is placed in the fixing groove, the cutter head can squeeze the card joint on the spring piece to deform the spring piece. When the card joint contacts the card joint groove, the spring piece restores its deformation, allowing the card joint to enter the card joint groove, thereby fixing the cutter head in the fixing groove to prevent the cutter head from being thrown out and causing safety hazards.

[0026] Based on the above-mentioned improvements, the overall technical effect achieved by the present device is that the clamping joint on the spring sheet and the clamping groove on the cutter head can cooperate with each other, and the cutter head can be fixed in the fixing groove through the recovery deformation force of the spring sheet, thereby preventing the cutter head from being thrown out and causing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a structural schematic diagram of the mounting plate, the second cylinder and the chuck fixture of the utility model;

[0029] Figure 3 It is a structural schematic diagram of the knife storage mechanism of the utility model;

[0030] Figure 4 The utility model Figure 3 Enlarged view of point A in the middle.

[0031] In the figure, 1. workbench; 2. moving mechanism; 3. knife storage mechanism; 4. mounting plate; 5. second cylinder; 6. chuck fixture; 7. touch sensor; 8. support column; 9. anti-slip pad; 10. inclined portion; 11. reinforcing rib; 201. through groove; 202. first cylinder; 203. limit groove; 204. limit block; 301. mounting table; 302. motor; 303. rotating column; 304. rotating disk; 305. fixing groove; 306. knife head; 307. locking assembly; 3071. spring piece; 3072. locking nut; 3073. clamping groove; 3074. clamping joint. DETAILED DESCRIPTION

[0032] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0033] Example:

[0034] See also Figure 1-Figure 4 The utility model provides a technical solution: a tool head switching device for a vertical machining center, comprising a workbench 1, a moving mechanism 2 is arranged on the workbench 1, and a tool storage mechanism 3 is arranged on the moving mechanism 2;

[0035] The knife storage mechanism 3 includes a mounting platform 301, a motor 302, a rotating column 303, a rotating disk 304, a fixed groove 305, a knife head 306 and a locking assembly 307. The mounting platform 301 is arranged in the moving mechanism 2, the motor 302 is arranged on the lower surface of the mounting platform 301, the rotating column 303 is arranged on the output shaft of the motor 302, the rotating column 303 passes through the mounting platform 301 and is connected to the bearing of the mounting platform 301, the rotating disk 304 is arranged on the upper surface of the rotating column 303, the fixed groove 305 is opened on the rotating disk 304, the number of the fixed grooves 305 is several and arranged circumferentially, the knife head 306 is arranged in the fixed groove 305, the locking assembly 307 is arranged on the rotating disk 304, and the locking assembly 307 is used to fix the knife head 306 in the fixed groove 305.

[0036] By setting the workbench 1, the moving mechanism 2 and the knife storage mechanism 3, when in use, the workbench 1 can firstly set the moving mechanism 2 and the knife storage mechanism 3, and then the moving mechanism 2 can drive the knife storage mechanism 3 to move, so that the knife storage mechanism 3 moves to the designated position to perform the tool changing operation, wherein the knife storage mechanism 3 includes a mounting table 301, a motor 302, a rotating column 303, a rotating disk 304, a fixed groove 305, a cutter head 306 and a locking assembly 307. When in use, the mounting table 301 can firstly install the motor 302, the locking assembly 307 can fix the cutter head 306 in the fixed groove 305, and then the mounting table 301 can drive the rotating disk 304 to move, so that the rotating disk 304 with the cutter head 306 moves to the corresponding position, and then the motor 302 can drive the rotating column 303 to rotate, and then drive the rotating disk 304 to rotate, so that the corresponding cutter head 306 rotates to the appropriate position.

[0037] refer to Figure 2 The moving mechanism 2 includes a through slot 201, a first cylinder 202, a limiting slot 203 and a limiting block 204. The through slot 201 is provided on the workbench 1. The first cylinder 202 is provided at one end of the workbench 1. The telescopic end of the first cylinder 202 is connected to the mounting platform 301. The limiting slot 203 is provided on both sides of the through slot 201. The limiting blocks 204 are provided on both sides of the mounting platform 301. The limiting blocks 204 are slidably connected in the limiting slot 203. By providing the through slot 201, the first cylinder 202 The cylinder 202, the limiting groove 203 and the limiting block 204, when in use, firstly, the first cylinder 202 is connected to the mounting platform 301, and the first cylinder 202 can drive the mounting platform 301 to move in the through groove 201, so that the mounting platform 301 moves to the corresponding position, and then during the movement of the mounting platform 301, the limiting block 204 can move in the limiting groove 203, and through the coordinated use of the limiting block 204 and the limiting groove 203, the movement of the mounting platform 301 can be limited.

[0038] refer to Figure 3 and Figure 4The locking assembly 307 includes a spring piece 3071, a locking nut 3072, a clamping groove 3073 and a clamping joint 3074. The spring piece 3071 is arranged on the rotating disk 304. The spring piece 3071 is arranged in a U shape. The locking nut 3072 is arranged on the rotating disk 304. The locking nut 3072 is used to fix the spring piece 3071 on the rotating disk 304. The clamping groove 3073 is arranged on the cutter head 306. The clamping joint 3074 is arranged at one end of the spring piece 3071. The clamping joint 3074 and the clamping groove 3073 are arranged in cooperation. By arranging the spring piece 3071, the locking nut 3072, The snap-fitting groove 3073 and the snap-fitting joint 3074, when in use, firstly, the locking nut 3072 can fix the spring piece 3071 on the rotating disk 304, when the cutter head 306 is placed into the fixing groove 305, the cutter head 306 can squeeze the snap-fitting joint 3074 on the spring piece 3071, so that the spring piece 3071 is deformed, when the snap-fitting joint 3074 contacts the snap-fitting groove 3073, the spring piece 3071 recovers its deformation, so that the snap-fitting joint 3074 enters into the snap-fitting groove 3073, and then the cutter head 306 is fixed in the fixing groove 305, so as to prevent the cutter head 306 from being thrown out and causing a safety hazard.

[0039] refer to Figure 2 , a mounting plate 4 is provided on the workbench 1, and the mounting plate 4 is L-shaped. A second cylinder 5 is provided on the mounting plate 4, and a chuck fixture 6 is provided on the telescopic shaft of the second cylinder 5. By arranging the mounting plate 4, the second cylinder 5 and the chuck fixture 6, when the cutter head 306 needs to be replaced, the rotating disk 304 is first moved to the bottom of the chuck fixture 6, and then the second cylinder 5 drives the chuck fixture 6 to move downward, and the cutter head 306 in the chuck fixture 6 enters the fixing groove 305 where the cutter head 306 is not placed. At this time, the chuck fixture 6 is released to replace the cutter head 306, and then the second cylinder 5 drives the chuck fixture 6 to rise, and rotates the rotating disk 304, and rotates the cutter head 306 that meets the corresponding requirements on the rotating disk 304 to the bottom of the chuck fixture 6, and then drives the chuck fixture 6 to descend by the second cylinder 5, so that the cutter head 306 enters the chuck fixture 6, and the cutter head 306 is fixed by the chuck fixture 6.

[0040] refer to Figure 1 A touch sensor 7 is provided at one end of the through slot 201 away from the first cylinder 202. By providing the touch sensor 7, when the mounting table 301 contacts the touch sensor 7 of model: DT15-1500750, it means that the rotating sleeve is located below the chuck fixture 6 at this time, and the first cylinder 202 is closed at this time.

[0041] refer to Figure 1A support column 8 is provided at the bottom of the workbench 1. The number of the support columns 8 is several and they are evenly arranged. An anti-slip pad 9 is provided on the lower surface of the support column 8. By arranging the support column 8 and the anti-slip pad 9, when in use, the support column 8 can provide a supporting effect for the workbench 1, and then the anti-slip pad 9 can increase the friction between the support column 8 and the ground, thereby improving the stability of the workbench 1.

[0042] refer to Figure 4 The snap-in groove 3073 is provided with an inclined portion 10. By providing the inclined portion 10, when the cutter head 306 is put in or taken out, the snap-in joint 3074 needs to be squeezed through the snap-in groove 3073. The provision of the inclined portion 10 makes it easier to put down and take out the cutter head 306, and avoids damage to the snap-in joint 3074 by the snap-in groove 3073.

[0043] refer to Figure 2 The mounting plate 4 is provided with reinforcing ribs 11, and the number of the reinforcing ribs 11 is several and evenly arranged. By setting the reinforcing ribs 11, when in use, the reinforcing ribs 11 are arranged on the mounting plate 4, which can improve the bearing capacity of the mounting plate 4.

[0044] Brief description of the usage process:

[0045] When in use, the first cylinder 202 is connected to the mounting platform 301, and the first cylinder 202 can drive the mounting platform 301 to move in the through groove 201, so that the mounting platform 301 moves to the corresponding position, and then during the movement of the mounting platform 301, the limit block 204 can move in the limit groove 203. Through the coordinated use of the limit block 204 and the limit groove 203, the movement of the mounting platform 301 can be limited. When the mounting platform 301 contacts the touch sensor 7, it means that the rotating sleeve is now located below the chuck fixture 6, and the first cylinder 202 is closed at this time;

[0046] Then, the mounting platform 301 can drive the rotating disk 304 to move, so that the rotating disk 304 with the cutter head 306 moves to the corresponding position, and then the motor 302 can drive the rotating column 303 to rotate, and then drive the rotating disk 304 to rotate, so that the corresponding cutter head 306 rotates to a suitable position, and the locking nut 3072 can fix the spring piece 3071 on the rotating disk 304. When the cutter head 306 is placed in the fixing groove 305, the cutter head 306 can squeeze the clamping joint 3074 on the spring piece 3071, so that the spring piece 3071 is released. When the clamping joint 3074 contacts the clamping groove 3073, the spring piece 3071 recovers its deformation, so that the clamping joint 3074 enters the clamping groove 3073, and then fixes the cutter head 306 in the fixing groove 305, so as to prevent the cutter head 306 from being thrown out and causing safety hazards. When putting in or taking out the cutter head 306, it is necessary to squeeze the clamping joint 3074 through the clamping groove 3073. The arrangement of the inclined portion 10 can make it easier to put down and take out the cutter head 306, so as to prevent the clamping groove 3073 from damaging the clamping joint 3074.

[0047] Finally, when the cutter head 306 needs to be replaced, the rotating disk 304 is first moved to the bottom of the chuck fixture 6, and then the second cylinder 5 drives the chuck fixture 6 to move downward, and the cutter head 306 in the chuck fixture 6 enters the fixing groove 305 where the cutter head 306 is not placed. At this time, the chuck fixture 6 is released and the cutter head 306 can be replaced. Then the second cylinder 5 drives the chuck fixture 6 to rise and rotate the rotating disk 304 to rotate the cutter head 306 on the rotating disk 304 that meets the corresponding requirements to the bottom of the chuck fixture 6, and then the chuck fixture 6 is driven down by the second cylinder 5 to make the cutter head 306 enter the chuck fixture 6, and the cutter head 306 is fixed by the chuck fixture 6.

[0048] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A tool head switching device for a vertical machining center, comprising a workbench (1), characterized in that: The workbench (1) is provided with a moving mechanism (2), and the moving mechanism (2) is provided with a knife storage mechanism (3); The knife storage mechanism (3) comprises a mounting platform (301), a motor (302), a rotating column (303), a rotating disk (304), a fixing slot (305), a knife head (306) and a locking assembly (307); the mounting platform (301) is arranged in the moving mechanism (2); the motor (302) is arranged on the lower surface of the mounting platform (301); the rotating column (303) is arranged on the output shaft of the motor (302); the rotating column (303) passes through the mounting platform (301) ) and is connected to the mounting table (301) bearing, the rotating disk (304) is arranged on the upper surface of the rotating column (303), the fixing groove (305) is opened on the rotating disk (304), the fixing groove (305) is in a plurality and is arranged circumferentially, the cutter head (306) is arranged in the fixing groove (305), the locking component (307) is arranged on the rotating disk (304), and the locking component (307) is used to fix the cutter head (306) in the fixing groove (305).

2. A tool head switching device for a vertical machining center according to claim 1, characterized in that: The moving mechanism (2) comprises a through slot (201), a first cylinder (202), a limiting slot (203) and a limiting block (204); the through slot (201) is arranged on the workbench (1); the first cylinder (202) is arranged at one end of the workbench (1); the telescopic end of the first cylinder (202) is connected to the mounting platform (301); the limiting slot (203) is arranged on both sides of the through slot (201); the limiting blocks (204) are arranged on both sides of the mounting platform (301); and the limiting blocks (204) are slidably connected in the limiting slot (203).

3. A tool head switching device for a vertical machining center according to claim 1, characterized in that: The locking assembly (307) comprises a spring piece (3071), a locking nut (3072), a clamping groove (3073) and a clamping joint (3074); the spring piece (3071) is arranged on the rotating disk (304); the spring piece (3071) is arranged in a U shape; the locking nut (3072) is arranged on the rotating disk (304); the locking nut (3072) is used to fix the spring piece (3071) on the rotating disk (304); the clamping groove (3073) is arranged on the cutter head (306); the clamping joint (3074) is arranged at one end of the spring piece (3071); and the clamping joint (3074) and the clamping groove (3073) are arranged in a coordinated manner.

4. A tool head switching device for a vertical machining center according to claim 1, characterized in that: The workbench (1) is provided with a mounting plate (4), the mounting plate (4) is L-shaped, a second cylinder (5) is provided on the mounting plate (4), and a chuck fixture (6) is provided on the telescopic shaft of the second cylinder (5).

5. The tool head switching device for a vertical machining center according to claim 2, characterized in that: A touch sensor (7) is provided at one end of the through slot (201) away from the first cylinder (202).

6. A tool head switching device for a vertical machining center according to claim 1, characterized in that: The bottom of the workbench (1) is provided with support columns (8), the number of the support columns (8) is several and they are evenly arranged, and the lower surface of the support columns (8) is provided with an anti-slip pad (9).

7. A tool head switching device for a vertical machining center according to claim 3, characterized in that: The clamping groove (3073) is provided with an inclined portion (10).

8. A tool head switching device for a vertical machining center according to claim 4, characterized in that: The mounting plate (4) is provided with reinforcing ribs (11), and the number of the reinforcing ribs (11) is several and evenly arranged.

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