Tool changing mechanism for numerical control lathe

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a tool changing mechanism for a numerical control lathe, which comprises a base, an adjusting seat arranged at the upper part of the base, a mounting seat fixedly mounted at the upper part of the adjusting seat, a mounting column arranged at the upper part of the mounting seat, and a connecting assembly arranged at the upper part of the base, the connecting assembly comprises a moving mechanism arranged on the upper portion of the base, an auxiliary mechanism is arranged on the upper portion of the base, the lead screw is rotationally connected with a first fixing plate through a bearing, an adjusting seat is in threaded connection to the outer wall of the lead screw, and a second fixing plate is fixedly connected to the end of a convex sliding rail. And the adjusting seat is slidably connected to the outer wall of the convex sliding rail, and the clamping rod is clamped with the clamping groove through the clamping hole. The tool changing device solves the problems that when an existing tool changing device is used for tool changing, a bottom plate and a connecting plate cannot be moved, so that a machined part is easily influenced in the tool changing process, and the applicability of the tool changing device is influenced.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool technology, specifically a tool changing mechanism for a CNC lathe. Background Technology

[0002] A CNC machine tool is an automated machine tool equipped with a program control system. A CNC lathe is a type of CNC machine tool and is one of the most widely used CNC machine tools. When operating a CNC machine tool, a tool changing mechanism is required to control and switch the corresponding tools.

[0003] According to patent publication number CN 217096800 U, a high-efficiency tool changing mechanism for CNC lathes is disclosed. This device can conveniently and efficiently change individual tools by setting up a tool changing component, thereby improving the changing efficiency and thus improving the work efficiency of the operator. After the tool wears out, the tool can be replaced in time, reducing downtime. However, when changing tools, the device cannot move the base plate and the connecting plate, which can easily affect the machining of parts during tool changing, thus affecting the applicability of the device.

[0004] To address this issue, we propose a tool changing mechanism for CNC lathes. Utility Model Content

[0005] The purpose of this invention is to provide a tool changing mechanism for CNC lathes, which solves the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tool changing mechanism for a CNC lathe, comprising a base;

[0007] An adjustment seat is located on the upper part of the base;

[0008] A mounting base that is fixedly installed on the upper part of the adjustment base;

[0009] A mounting post located on the upper part of the mounting base;

[0010] And a connecting component disposed on the upper part of the base, the connecting component including a moving mechanism disposed on the upper part of the base, and an auxiliary mechanism disposed on the upper part of the base.

[0011] Preferably, the moving mechanism includes a motor fixedly mounted on the upper part of the base, a lead screw fixedly connected to the output end of the motor, a first fixing plate fixedly mounted on the upper part of the base, a convex slide rail fixedly connected to the upper part of the base, a second fixing plate fixedly connected to the upper part of the base, a fixing body fixedly mounted on the upper part of the mounting base, a clamping hole provided inside the fixing body, an opening provided in the inner wall of the clamping hole, a groove provided in the side wall of the fixing body, and a fixing bolt threadedly connected inside the groove.

[0012] Preferably, the auxiliary mechanism includes a knife groove formed on the upper part of the mounting column, a snap-fit ​​groove formed on the inner wall of the knife groove, a threaded groove formed on the top of the mounting column, a knife being snapped into the inner wall of the knife groove, a snap-fit ​​hole formed on the surface of the knife, a cover plate provided on the top of the mounting column, a positioning bolt being threadedly connected inside the cover plate, a mounting sleeve being fixedly connected to the upper part of the cover plate, a movable block being slidably connected to the inner wall of the mounting sleeve, a snap-fit ​​rod being fixedly connected to the bottom of the movable block, a connecting rod being fixedly connected to the upper part of the movable block, a spring being fixedly connected to the inner wall of the mounting sleeve, and a limit block being fixedly connected to the top of the connecting rod.

[0013] Preferably, the lead screw is rotatably connected to the first fixed plate via a bearing, and the adjusting seat is threadedly connected to the outer wall of the lead screw. The second fixed plate is fixedly connected to the end of the convex slide rail, and the adjusting seat is slidably connected to the outer wall of the convex slide rail. Through the cooperation of the motor, lead screw, first fixed plate, convex slide rail, and second fixed plate, the position of the adjusting seat can be adjusted, thereby moving the adjusting seat away from the machining part and making it easier to manually change the tool. Furthermore, through the cooperation of the fixing body, clamping hole, opening, groove, and fixing bolt, the entire mounting column can be disassembled, making it easier to manually change the entire tool set, thus increasing the applicability of the device.

[0014] Preferably, there are two fixing bolts, symmetrically distributed within the fixing body, and the fixing bolts penetrate through the opening.

[0015] Preferably, the snap-fit ​​rod is snapped into the snap-fit ​​groove through the snap-fit ​​hole, and the snap-fit ​​rod is movably connected to the cover plate. The bottom end of the spring is fixedly connected to the movable block. Through the cooperation of the knife groove, snap-fit ​​groove, threaded groove, knife, snap-fit ​​hole, cover plate, positioning bolt, mounting sleeve, movable block, snap-fit ​​rod, connecting rod, and spring, it is convenient to manually replace a single knife, which can prevent damage to a single knife and affect subsequent use.

[0016] Preferably, the top end of the connecting rod is movably connected to the mounting sleeve, and the positioning bolt is adapted to the threaded groove.

[0017] This utility model provides a tool changing mechanism for CNC lathes. This tool changing mechanism for CNC lathes has the following advantages:

[0018] (1) The tool changing mechanism for CNC lathes, by setting a moving mechanism, can adjust the position of the adjusting seat under the action of motor, lead screw, first fixed plate, convex slide rail and second fixed plate, so that the adjusting seat and the mounting seat can be moved away from the workpiece, which makes it easier to manually change the tool. In addition, under the action of fixed body, clamping hole, opening, groove and fixing bolt, the mounting column can be disassembled as a whole, which makes it easier to manually change the entire tool set, thus increasing the applicability of the device.

[0019] (2) The tool changing mechanism for CNC lathes, by setting up auxiliary mechanisms, facilitates manual replacement of individual tools under the action of tool slot, snap-fit ​​slot, threaded slot, tool, snap-fit ​​hole, cover plate, positioning bolt, mounting sleeve, movable block, snap-fit ​​rod, connecting rod, and spring, which can prevent individual tools from being damaged and affecting subsequent use. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the moving mechanism structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the auxiliary mechanism structure of this utility model;

[0024] In the diagram: 1. Base; 2. Adjustment seat; 3. Connecting assembly; 31. Moving mechanism; 311. Motor; 312. Lead screw; 313. First fixing plate; 314. Convex slide rail; 315. Second fixing plate; 316. Fixing body; 317. Clamping hole; 318. Opening; 319. Groove; 3110. Fixing bolt; 32. Auxiliary mechanism; 321. Knife groove; 322. Snap-fit ​​groove; 323. Threaded groove; 324. Knife; 325. Snap-fit ​​hole; 326. Cover plate; 327. Positioning bolt; 328. Mounting sleeve; 329. Movable block; 3210. Snap-fit ​​rod; 3211. Connecting rod; 3212. Spring; 4. Mounting seat; 5. Mounting column. Detailed Implementation

[0025] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.

[0026] Example 1

[0027] like Figure 1-4As shown, this utility model provides a technical solution: a tool changing mechanism for a CNC lathe, including a base 1, an adjusting seat 2 disposed on the upper part of the base 1, a mounting seat 4 fixedly mounted on the upper part of the adjusting seat 2, a mounting column 5 disposed on the upper part of the mounting seat 4, and a connecting assembly 3 disposed on the upper part of the base 1. The connecting assembly 3 includes a moving mechanism 31 disposed on the upper part of the base 1, an auxiliary mechanism 32 disposed on the upper part of the base 1, the moving mechanism 31 includes a motor 311 fixedly mounted on the upper part of the base 1, a lead screw 312 fixedly connected to the output end of the motor 311, a first fixing plate 313 fixedly mounted on the upper part of the base 1, a convex slide rail 314 fixedly connected to the upper part of the base 1, a second fixing plate 315 fixedly connected to the upper part of the base 1, a fixing body 316 fixedly mounted on the upper part of the mounting seat 4, a clamping hole 317 opened inside the fixing body 316, an opening 318 opened on the inner wall of the clamping hole 317, a groove 319 opened on the side wall of the fixing body 316, and a fixing bolt 3110 threadedly connected inside the groove 319.

[0028] In this embodiment, the lead screw 312 is rotatably connected to the first fixed plate 313 via a bearing, and the adjusting seat 2 is threadedly connected to the outer wall of the lead screw 312. The second fixed plate 315 is fixedly connected to the end of the convex slide rail 314, and the adjusting seat 2 is slidably connected to the outer wall of the convex slide rail 314. Through the cooperation of the motor 311, the lead screw 312, the first fixed plate 313, the convex slide rail 314, and the second fixed plate 315, the position of the adjusting seat 2 can be adjusted, thereby allowing the adjusting seat 2 and the mounting seat 4 to be moved away from the workpiece, which makes it easier to manually replace the tool 324. Furthermore, through the cooperation of the fixing body 316, the clamping hole 317, the opening 318, the groove 319, and the fixing bolt 3110, the mounting column 5 can be disassembled as a whole, which facilitates the manual replacement of the entire tool 324 set, thereby increasing the applicability of the device.

[0029] Furthermore, there are two fixing bolts 3110, which are symmetrically distributed in the fixing body 316, and the fixing bolts 3110 penetrate through the opening 318.

[0030] When replacing the entire set of cutting tools 324, the device drives the lead screw 312 to rotate counterclockwise via the motor 311. This causes the adjusting seat 2, which is threaded onto the outer wall of the lead screw 312, to move the mounting seat 4 to the right. This moves the adjusting seat 2 and the mounting seat 4 away from the workpiece, making it easier to manually replace the cutting tools 324. Then, by manually rotating the locking rod 3210 counterclockwise, the locking rod 3210 is separated from the fixed body 316. The mounting post 5 can then be removed from the clamping hole 317, allowing for the replacement of the entire set of cutting tools 324. This increases the applicability of the device.

[0031] Example 2

[0032] Based on Embodiment 1, the preferred embodiment of the tool changing mechanism for a CNC lathe provided by this utility model is as follows: Figures 1 to 4 As shown: The auxiliary mechanism 32 includes a knife groove 321 on the upper part of the mounting column 5, a snap-fit ​​groove 322 on the inner wall of the knife groove 321, a threaded groove 323 on the top of the mounting column 5, a tool 324 snapped into the inner wall of the knife groove 321, a snap-fit ​​hole 325 on the surface of the tool 324, a cover plate 326 on the top of the mounting column 5, a positioning bolt 327 threadedly connected inside the cover plate 326, an mounting sleeve 328 fixedly connected to the upper part of the cover plate 326, a movable block 329 slidably connected to the inner wall of the mounting sleeve 328, a snap-fit ​​rod 3210 fixedly connected to the bottom of the movable block 329, a connecting rod 3211 fixedly connected to the upper part of the movable block 329, a spring 3212 fixedly connected to the inner wall of the mounting sleeve 328, and a limit block fixedly connected to the top of the connecting rod 3211.

[0033] In this embodiment, the snap-fit ​​rod 3210 is snapped into the snap-fit ​​groove 322 through the snap-fit ​​hole 325, and the snap-fit ​​rod 3210 is movably connected to the cover plate 326. The bottom end of the spring 3212 is fixedly connected to the movable block 329. Through the cooperation of the knife groove 321, snap-fit ​​groove 322, threaded groove 323, knife 324, snap-fit ​​hole 325, cover plate 326, positioning bolt 327, mounting sleeve 328, movable block 329, snap-fit ​​rod 3210, connecting rod 3211, and spring 3212, it is convenient to manually replace a single knife 324, which can prevent damage to a single knife 324 and affect subsequent use.

[0034] Furthermore, the top of the connecting rod 3211 is movably connected to the mounting sleeve 328, and the positioning bolt 327 is adapted to the threaded groove 323.

[0035] When a single cutting tool 324 needs to be replaced, the connecting rod 3211 is pulled upwards manually. This causes the movable block 329, which is fixedly connected to the bottom of the connecting rod 3211, to move the locking rod 3210 upwards simultaneously. This allows the locking rod 3210 to separate from the locking groove 322 and the locking hole 325. Then, the cutting tool 324 can be manually pulled out. The new cutting tool 324 is then inserted into the cutting groove 321. The connecting rod 3211 is then released. Under the elastic force of the spring 3212, the movable block 329 moves the locking rod 3210 downwards. This allows the locking rod 3210 to pass through the locking hole 325 and engage with the locking groove 322, thus fixing the cutting tool 324 in the cutting groove 321, completing the replacement operation.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tool changing mechanism for a numerical control lathe, comprising a base (1); an adjusting seat (2) arranged on the upper portion of the base (1); an installation seat (4) fixedly installed on the upper portion of the adjusting seat (2); an installation column (5) arranged on the upper portion of the installation seat (4); and a connecting assembly (3) arranged on the upper part of the base (1), characterized in that the connecting assembly (3) comprises a moving mechanism (31) arranged on the upper portion of the base (1), the upper portion of the base (1) is provided with an auxiliary mechanism (32), the upper portion of the installation seat (4) is fixedly installed with a positioning shaft, and the installation column (5) is sleeved on the outside of the positioning shaft.

2. The tool changer according to claim 1, characterized in that: the moving mechanism (31) comprises a motor (311) fixedly installed on the upper portion of the base (1), the output end of the motor (311) is fixedly connected with a lead screw (312), the upper portion of the base (1) is fixedly installed with a first fixed plate (313), the upper portion of the base (1) is fixedly connected with a convex slide rail (314), the upper portion of the base (1) is fixedly connected with a second fixed plate (315), the upper portion of the installation seat (4) is fixedly installed with a fixed body (316), the inside of the fixed body (316) is provided with a clamping hole (317), the inner wall of the clamping hole (317) is provided with an opening (318), the side wall of the fixed body (316) is provided with a groove (319), and the inside of the groove (319) is threadedly connected with a fixing bolt (3110).

3. The tool changer mechanism for a CNC lathe according to claim 1, characterized in that: the auxiliary mechanism (32) comprises a tool slot (321) arranged on the upper portion of the installation column (5), the inner wall of the tool slot (321) is provided with a clamping groove (322), the top of the installation column (5) is provided with a threaded groove (323), the inner wall of the tool slot (321) is clamped with a tool (324), the surface of the tool (324) is provided with a clamping hole (325), the top of the installation column (5) is provided with a cover plate (326), the inside of the cover plate (326) is threadedly connected with a positioning bolt (327), the upper portion of the cover plate (326) is fixedly connected with a mounting sleeve (328), the inner wall of the mounting sleeve (328) is slidably connected with a movable block (329), the bottom of the movable block (329) is fixedly connected with a clamping rod (3210), the upper portion of the movable block (329) is fixedly connected with a connecting rod (3211), the inner wall of the mounting sleeve (328) is fixedly connected with a spring (3212), and the top end of the connecting rod (3211) is fixedly connected with a limiting block.

4. The tool changer mechanism for a CNC lathe according to claim 2, characterized in that: the lead screw (312) is rotationally connected with the first fixed plate (313) through a bearing, and the adjusting seat (2) is threadedly connected on the outer wall of the lead screw (312); the second fixed plate (315) is fixedly connected on the end portion of the convex slide rail (314), and the adjusting seat (2) is slidably connected on the outer wall of the convex slide rail (314).

5. The tool changer mechanism for a CNC lathe according to claim 2, characterized in that: the number of the fixing bolts (3110) is two, which are symmetrically distributed in the fixed body (316) and penetrate through the opening (318).

6. The tool changer mechanism for a CNC lathe according to claim 3, characterized in that: the clamping rod (3210) is clamped and arranged through the clamping hole (325) and the clamping groove (322), and the clamping rod (3210) is movably connected with the cover plate (326); and the bottom end of the spring (3212) is fixedly connected with the movable block (329).

7. The tool changer mechanism for a CNC lathe according to claim 3, characterized in that: The connecting rod (3211) top end is movably connected with the mounting sleeve (328), and the positioning bolt (327) is matched with the threaded groove (323).

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