Quick tool changing structure of numerical control lathe

Abstract

The rapid tool changing structure comprises a machining table and a drilling tool, the top of the machining table is rotationally connected with a base, the top of the base is fixedly connected with a rack, hydraulic cylinders are fixedly connected to the four sides of the interior of the rack, the output ends of the hydraulic cylinders are fixedly connected with limiting blocks, and the limiting blocks are fixedly connected with the drilling tool. The device has the advantages that by rotating the rotating rod, the rotating rod drives the rotating disc and the worm to rotate, then the worm gear drives the two-way lead screw to rotate, the two sliding blocks move towards the opposite sides, then the connecting frame and the pull rod move along with the two sliding blocks, and the two sliding blocks are driven to move along with the connecting frame and the pull rod. The clamping blocks are separated from the interiors of the clamping grooves in the two sides of the tool apron, a new drilling tool apron is placed in the mounting base, the worm is reversely rotated, the clamping blocks are inserted into the clamping grooves to fix the tool apron, the drilling tool can be rapidly replaced, and the dismounting and mounting efficiency of the drilling tool is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of numerically controlled machine tools, in particular to a rapid tool changing structure of a numerically controlled lathe. Background Art

[0002] A CNC machine tool is a digitally controlled machine tool, which is an automated machine tool equipped with a program control system that can logically process programs specified by control codes or other symbolic instructions, decode them, represent them with coded numbers, and input them into the CNC device through an information carrier.

[0003] In the prior art, since the drill bit is easily worn out after long-term use, the drill bit needs to be replaced. When replacing the drill bit, the machine needs to be stopped, and then the staff uses a specific tool to loosen the screws one by one, and then take out a new drill bit for replacement.

[0004] In actual application, this technology requires stopping the machine and requiring the staff to use specific tools to remove all the bolts that interfere with the drill bit holder. This replacement method is cumbersome and complicated, making the replacement efficiency of the drill bit extremely low. Therefore, a quick tool change structure for a CNC lathe is needed. Utility Model Content

[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a rapid tool changing structure for a CNC lathe.

[0006] The technical solution of the utility model is as follows: a fast tool change structure of a CNC lathe, comprising a processing table and a drill, the top of the processing table is rotatably connected to a base, the top of the base is fixedly connected to a frame, the four sides of the inside of the frame are fixedly connected to hydraulic cylinders, the output ends of the hydraulic cylinders are fixedly connected to limit blocks, the side of the limit blocks away from the frame is fixedly connected to a top plate, and a disassembly mechanism is provided at the bottom of the top plate;

[0007] The worm gear of the embodiment of the present invention is fixedly connected with the bottom surface of the top plate, and the worm gear is internally connected with the bottom surface of the top plate, and the worm gear is internally connected with the bottom surface of the top plate, and the worm gear is internally connected with the bottom surface of the top plate, and the worm gear is meshed with the worm gear. The worm gear is meshed with the worm gear. The bottom surface of the top plate and the two sides of the mounting seat are fixedly connected with a fixing plate. The two ends of the bidirectional screw rod penetrate the mounting seat and are rotatably connected to the fixing plate. The outer side of the bidirectional screw rod between the fixing plate and the mounting seat is threadedly connected with a sliding block. The bottom of the sliding block is fixedly connected with a connecting frame. The connecting frame is fixedly connected with a pull rod on one side close to the mounting seat, and the pull rod is fixedly connected with a clamping block on the side away from the connecting frame. The inside of the mounting seat and the lower part of the worm gear are slidably connected with a tool seat. The tool seat and the mounting seat are provided with a clamping groove on both sides, and the clamping block is slidably connected with the clamping groove. One end of the worm gear passes through the mounting seat and is fixedly connected with a rotating disk, and the outer side of the rotating disk is fixedly connected with a rotating rod.

[0008] As a preferred embodiment, an annular rail is provided on one side of the top of the processing table, a plurality of ball bearings are rotatably connected to the bottom of the base, the ball bearings are rotatably connected to the annular rail, a groove is provided inside the processing table, a motor is fixedly connected inside the groove, and the output end of the motor is fixedly connected to the base through the groove.

[0009] As a preferred embodiment, sliding grooves are provided at the bottom of the top plate and on both sides of the mounting seat, and the tops of the sliding blocks are fixedly connected with sliding racks, and the sliding racks are slidably connected to the sliding grooves.

[0010] As a preferred embodiment, a screw is threadedly connected to the inside of the turntable and on a side away from the turnbar, and the bottom of the screw is rotatably connected to the back side of the mounting seat.

[0011] As a preferred implementation, a partition is fixedly connected inside the mounting seat and below the worm gear, and the clamping block and the clamping slot have the same shape and size.

[0012] As a preferred embodiment, limiting grooves are provided on four sides of the frame and below the hydraulic cylinder, and the limiting blocks are slidably connected to the limiting grooves.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. A quick tool changing structure of a CNC lathe, by rotating the rotating rod, the rotating rod drives the turntable and the worm to rotate, and then the worm wheel drives the bidirectional lead screw to rotate, so that the two slide blocks move to the opposite sides, and then the connecting frame and the pull rod follow the movement, so that the clamping block is separated from the inside of the clamping groove on both sides of the tool holder, and a new drill tool holder is placed in the mounting seat, and the worm is rotated in the opposite direction, so that the clamping block is inserted into the inside of the clamping groove to fix the tool holder, which is conducive to the rapid replacement of the drill and improves the disassembly and assembly efficiency of the drill.

[0015] 2. The quick tool changing structure of the CNC lathe starts the motor, which drives the base to rotate and then rotates the frame, which is conducive to replacing different drill bits without stopping the machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a partial cross-sectional schematic diagram of the utility model;

[0018] Figure 3 It is a partial three-dimensional enlarged schematic diagram of the utility model;

[0019] Figure 4 It is a partially exploded and enlarged schematic diagram of the utility model;

[0020] Figure 5 It is a partially enlarged schematic diagram of the utility model.

[0021] Legend: 1. Processing table; 2. Drill; 3. Base; 4. Frame; 5. Disassembly mechanism; 501. Worm; 502. Worm wheel; 503. Bidirectional screw; 504. Slider; 505. Connecting frame; 506. Pull rod; 507. Block; 508. Slot; 509. Turntable; 510. Turning rod; 6. Hydraulic cylinder; 7. Limiting groove; 8. Limiting block; 9. Top plate; 10. Groove; 11. Motor; 12. Annular rail; 13. Ball; 14. Mounting seat; 15. Screw; 16. Tool holder; 17. Fixing plate; 18. Slide; 19. Slot; 20. Partition. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0023] like Figure 1-Figure 5As shown, the utility model provides a technical solution: comprising a processing table 1 and a drill 2, the top of the processing table 1 is rotatably connected to a base 3, the top of the base 3 is fixedly connected to a frame 4, the four inner sides of the frame 4 are fixedly connected to a hydraulic cylinder 6, the output ends of the hydraulic cylinder 6 are fixedly connected to a limit block 8, the side of the limit block 8 away from the frame 4 is fixedly connected to a top plate 9, and a disassembly mechanism 5 is provided at the bottom of the top plate 9;

[0024] The disassembly mechanism 5 includes a worm 501, a mounting seat 14 is fixedly connected to the bottom of the top plate 9, a worm wheel 502 is rotatably connected to the inside of the mounting seat 14, a bidirectional screw 503 is fixedly connected to the inside of the worm wheel 502, a worm 501 is rotatably connected to the inside of the mounting seat 14, the worm 501 is meshed with the worm wheel 502, a fixing plate 17 is fixedly connected to the bottom of the top plate 9 and located on both sides of the mounting seat 14, the fixing plate 17 is conducive to limiting the bidirectional screw 503, both ends of the bidirectional screw 503 pass through the mounting seat 14 and are rotatably connected to the fixing plate 17, and the bidirectional screw 503 between the fixing plate 17 and the mounting seat 14 3 is threadedly connected with a slider 504, the bottom of the slider 504 is fixedly connected with a connecting frame 505, the connecting frame 505 is fixedly connected with a pull rod 506 on the side close to the mounting seat 14, and the pull rod 506 is fixedly connected with a clamping block 507 on the side away from the connecting frame 505. The inside of the mounting seat 14 and below the worm gear 502 is slidably connected with a knife seat 16, and both sides of the knife seat 16 and the mounting seat 14 are provided with a clamping groove 508, and the clamping block 507 is slidably connected with the clamping groove 508. One end of the worm 501 passes through the mounting seat 14 and is fixedly connected with a turntable 509, and the outer side of the turntable 509 is fixedly connected with a rotating rod 510.

[0025] In this embodiment, starting the hydraulic cylinder 6 is conducive to making the drill 2 work downward. When the drill 2 needs to be replaced, the rotating rod 510 is first rotated so that the rotating rod 510 drives the rotating disk 509 and the worm 501 to rotate, and then the worm wheel 502 drives the bidirectional screw rod 503 to rotate, so that the two sliders 504 move to the opposite side, and then the connecting frame 505 and the pull rod 506 follow the movement, so that the block 507 is separated from the inside of the slot 508 on both sides of the tool holder 16, the old drill 2 is removed, and the tool holder 16 of the new drill 2 is placed in the inside of the mounting seat 14, and then the worm 501 is rotated in the opposite direction, so that the worm wheel 502 drives the bidirectional screw rod 503 to move in the opposite direction, and then the slider 504, the connecting frame 505, and the pull rod 506 move to the adjacent side at the same time, so that the block 507 is inserted into the inside of the slot 508 to fix the tool holder 16, which is conducive to quickly replacing the drill 2 and improving the disassembly and assembly efficiency of the drill 2.

[0026] Furthermore, an annular rail 12 is provided on one side of the top of the processing table 1, and a plurality of balls 13 are rotatably connected to the bottom of the base 3, and the balls 13 are rotatably connected to the annular rail 12. A groove 10 is provided inside the processing table 1, and a motor 11 is fixedly connected inside the groove 10. The output end of the motor 11 passes through the groove 10 and is fixedly connected to the base 3. By starting the motor 11, the motor 11 drives the base 3 to rotate, and then the frame 4 is rotated, which is conducive to replacing different drill bits 2 for work. At the same time, the balls 13 and the annular rail 12 are conducive to limiting the base 3.

[0027] Furthermore, a slide groove 19 is provided at the bottom of the top plate 9 and on both sides of the mounting seat 14, and a slide bracket 18 is fixedly connected to the top of the slider 504. The slide bracket 18 is slidably connected to the slide groove 19, which is helpful for limiting the block 507 during movement.

[0028] Furthermore, a screw 15 is threadedly connected inside the turntable 509 and on one side away from the turntable 510, and the bottom of the screw 15 is rotatably connected to the back of the mounting seat 14. By rotating the screw 15, the bottom end of the screw 15 is pressed against the back of the mounting seat 14 to fix the worm 501.

[0029] Furthermore, a partition plate 20 is fixedly connected inside the mounting seat 14 and below the worm gear 502 . The block 507 and the slot 508 have the same shape and size. The partition plate 20 is useful for separating the driving element from the tool holder 16 .

[0030] Furthermore, limit grooves 7 are provided on the four sides of the frame 4 and below the hydraulic cylinder 6, and the limit blocks 8 are slidably connected to the limit grooves 7. The sliding of the limit blocks 8 inside the limit grooves 7 is conducive to the limit when the hydraulic cylinder 6 drives the drill 2 to move downward.

[0031] Working principle:

[0032] like Figure 1-Figure 5As shown, when in use, by starting the motor 11, the motor 11 drives the base 3 to rotate, and then the frame 4 is rotated, the side of the replaced drill bit 2 is selected, and then the hydraulic cylinder 6 is started to make the drill bit 2 work downward, and at the same time, the rotating rod 510 is rotated, so that the rotating rod 510 drives the rotating disk 509 and the worm 501 to rotate, and then the worm wheel 502 drives the bidirectional screw rod 503 to rotate, so that the two sliders 504 move to the opposite side, and then the connecting frame 505 and the pull rod 506 follow the movement, so that the block 507 is separated from the inside of the slots 508 on both sides of the tool holder 16, the old drill 2 is removed, and the tool holder 16 of the new drill 2 is placed in the inside of the mounting seat 14, and then the worm 501 is rotated in the opposite direction, so that the worm wheel 502 drives the bidirectional screw rod 503 to move in the opposite direction, and then the slider 504, the connecting frame 505, and the pull rod 506 move to the side close to each other at the same time, so that the block 507 is inserted into the inside of the slot 508 to fix the tool holder 16, which is conducive to quickly replacing the drill 2 without stopping the machine, thereby improving the disassembly and assembly efficiency of the drill 2.

[0033] Finally, it should be noted that the above-described embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A rapid tool change structure for a CNC lathe, comprising a processing table (1) and a drill (2), characterized in that: The top of the processing table (1) is rotatably connected to a base (3), the top of the base (3) is fixedly connected to a frame (4), the four inner sides of the frame (4) are fixedly connected to hydraulic cylinders (6), the output ends of the hydraulic cylinders (6) are fixedly connected to limit blocks (8), the side of the limit blocks (8) away from the frame (4) is fixedly connected to a top plate (9), and a disassembly mechanism (5) is provided at the bottom of the top plate (9); The disassembly mechanism (5) comprises a worm (501), a mounting seat (14) is fixedly connected to the bottom of the top plate (9), a worm wheel (502) is rotatably connected to the inside of the mounting seat (14), a bidirectional screw (503) is fixedly connected to the inside of the worm wheel (502), a worm (501) is rotatably connected to the inside of the mounting seat (14), the worm (501) is meshingly connected to the worm wheel (502), a fixing plate (17) is fixedly connected to the bottom of the top plate (9) and located on both sides of the mounting seat (14), both ends of the bidirectional screw (503) penetrate the mounting seat (14) and are rotatably connected to the fixing plate (17), and the outer side of the bidirectional screw (503) between the fixing plate (17) and the mounting seat (14) is threadedly connected to a sliding member. The bottom of the slider (504) is fixedly connected to a connecting frame (505), a pull rod (506) is fixedly connected to the connecting frame (505) on one side close to the mounting seat (14), a clamping block (507) is fixedly connected to the side of the pull rod (506) away from the connecting frame (505), a knife seat (16) is slidably connected inside the mounting seat (14) and below the worm gear (502), a clamping groove (508) is provided on both sides of the knife seat (16) and the mounting seat (14), the clamping block (507) is slidably connected to the clamping groove (508), one end of the worm (501) passes through the mounting seat (14) and is fixedly connected to a turntable (509), and a rotating rod (510) is fixedly connected to the outer side of the turntable (509).

2. The rapid tool change structure of a CNC lathe according to claim 1, characterized in that: A circular rail (12) is provided on one side of the top of the processing table (1), a plurality of balls (13) are rotatably connected to the bottom of the base (3), the balls (13) are rotatably connected to the circular rail (12), a groove (10) is provided inside the processing table (1), a motor (11) is fixedly connected inside the groove (10), and an output end of the motor (11) passes through the groove (10) and is fixedly connected to the base (3).

3. The rapid tool change structure of a CNC lathe according to claim 1, characterized in that: Slide grooves (19) are provided at the bottom of the top plate (9) and on both sides of the mounting seat (14), and the top of the sliding block (504) is fixedly connected with a slide frame (18), and the slide frame (18) is slidably connected to the slide grooves (19).

4. The rapid tool change structure of a CNC lathe according to claim 1, characterized in that: A screw (15) is threadedly connected to the inside of the rotating disk (509) and on one side away from the rotating rod (510), and the bottom of the screw (15) is rotatably connected to the back side of the mounting seat (14).

5. The rapid tool change structure of a CNC lathe according to claim 1, characterized in that: A partition plate (20) is fixedly connected inside the mounting seat (14) and below the worm gear (502), and the clamping block (507) and the clamping slot (508) have the same shape and size.

6. The rapid tool change structure of a CNC lathe according to claim 1, characterized in that: Limiting grooves (7) are provided on four sides of the frame (4) and below the hydraulic cylinder (6), and the limiting blocks (8) are slidably connected to the limiting grooves (7).

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