CN223419010U - Tool changing mechanism for CNC machine tools - Google Patents
Tool changing mechanism for CNC machine toolsInfo
- Publication number
- CN223419010U CN223419010U CN202422831162.1U CN202422831162U CN223419010U CN 223419010 U CN223419010 U CN 223419010U CN 202422831162 U CN202422831162 U CN 202422831162U CN 223419010 U CN223419010 U CN 223419010U
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- machine tool
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- cutter
- tool spindle
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Abstract
本实用新型公开了一种数控机床的换刀机构，包括机床主轴和设于机床主轴一侧的刀具仓，刀具仓靠近机床主轴的一侧且位于机床主轴的下方设有半圆结构的刀盘，刀盘内部和机床主轴的底部均设有刀头，机床主轴底部的刀头通过两个对称设置的螺栓与机床主轴连接，刀盘内部的刀头均插接于刀盘内部，刀盘底部设有活动板，活动板顶部且位于机床主轴的下方设有气缸，气缸活塞杆顶部固定连接有U形结构的支撑架，支撑架顶部固定连接有安装板，安装板顶部对称设有两个用于拆装螺栓的拆装组件。通过上述结构，可实现快速、稳定的刀具更换，自动化程度高，利于提高机床的加工效率和灵活性，实用性强。
The utility model discloses a tool changing mechanism for a CNC machine tool, comprising a machine tool spindle and a tool magazine arranged on one side of the machine tool spindle, a semicircular cutter disc provided on the side of the cutter disc close to and below the machine tool spindle, a cutter head provided inside the cutter disc and at the bottom of the machine tool spindle, the cutter head at the bottom of the machine tool spindle being connected to the machine tool spindle via two symmetrically arranged bolts, the cutter heads inside the cutter disc being plugged into the cutter disc, a movable plate provided at the bottom of the cutter disc, a cylinder provided at the top of the movable plate and below the machine tool spindle, a U-shaped support frame fixedly connected to the top of the cylinder piston rod, a mounting plate fixedly connected to the top of the support frame, and two disassembly and assembly assemblies for disassembling and assembling bolts symmetrically provided on the top of the mounting plate. Through the above structure, fast and stable tool replacement can be achieved, with a high degree of automation, which is conducive to improving the processing efficiency and flexibility of the machine tool and has strong practicality.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tools, in particular to a tool changing mechanism of a numerical control machine tool.
Background
The tool changing system of the numerical control machine tool is a crucial component part in the modern manufacturing industry, and the main function of the tool changing system is to realize quick replacement of different tools so as to adapt to various processing requirements. Along with the complexity of the processing technology and the improvement of the production efficiency requirement, the traditional manual tool changing mode can not meet the high-efficiency and accurate production requirement gradually.
In the prior art, through searching, the Chinese patent discloses a numerical control lathe tool changing mechanism, the application number of the numerical control lathe tool changing mechanism is 202223208024.5, the numerical control lathe tool changing mechanism mainly comprises a U-shaped plate and a tool apron, a plurality of fixing bolts are connected to the top of the tool apron in a threaded mode, the U-shaped plate is movably connected with the tool apron, a transverse plate is fixed to one side of the U-shaped plate, a sliding column is connected to the inner portion of the transverse plate in a sliding mode, a top plate is fixed to the top of the sliding column, and although the lifting device can automatically screw and demount bolts on the tool apron through the cooperation of a driving motor and a screwing sleeve, workers do not need to use a wrench to detach and install, time required for installation is greatly shortened, and tool changing efficiency is improved. However, when the tool is changed, a series of operations such as adsorption of the tool bit, operation of the grip, lifting of the top plate, placement of the cushion block, operation of the control keys and the like are required, so that the complexity of the operation is increased, the degree of automation is low, the quick completion of the tool changing work is not facilitated, and the tool changing efficiency is reduced.
Disclosure of utility model
The utility model aims to provide a tool changing mechanism of a numerical control machine tool, which is characterized in that a tool bit is connected with a machine tool spindle through a bolt, the connection is stable, the disassembly and the assembly are convenient, a cutter disc, an air cylinder and a disassembly and assembly component for disassembling and assembling the bolt are arranged, so that the quick and stable tool changing can be realized, the degree of automation is high, the improvement of the machining efficiency and the flexibility of the machine tool is facilitated, and the practicability is strong.
In order to achieve the above-mentioned purpose, provide a tool changing mechanism of digit control machine tool, include the lathe main shaft and locate the tool magazine of lathe main shaft one side, the tool magazine is close to one side of lathe main shaft and is located the below of lathe main shaft and is equipped with the blade disc of semicircle structure, the inside of blade disc and the bottom of lathe main shaft all are equipped with the tool bit, the tool bit of lathe main shaft bottom is connected with the lathe main shaft through the bolt that two symmetries set up, the inside tool bit of blade disc all peg graft in the inside of blade disc, the blade disc bottom is equipped with the fly leaf, the fly leaf top just is located the below of lathe main shaft and is equipped with the cylinder, cylinder piston rod top fixedly connected with U-shaped structure's support frame, support frame top fixedly connected with mounting panel, mounting panel top symmetry is equipped with two dismouting subassemblies that are used for dismouting bolt.
According to a tool changing mechanism of a numerical control machine tool, the disassembly and assembly comprises a third motor fixedly connected to the top of the mounting plate, a sleeve fixedly connected to the top of an output shaft of the third motor and a clamping block fixedly connected to the inner surface of the bottom of the sleeve, the head of the bolt is provided with a straight slot matched and spliced with the clamping block, and a through slot which is arranged up and down relative to the bolt is formed in the cutter head.
According to the tool changing mechanism of the numerical control machine tool, the top side of the tool bin is rotationally connected with a rotating shaft, the bottom end of the rotating shaft is fixedly connected with the top of the cutterhead, the top of the tool bin is fixedly connected with a first motor which is positioned above the rotating shaft, and the top end of the rotating shaft is fixedly connected with an output shaft of the first motor.
According to the tool changing mechanism of the numerical control machine tool, the bottom of the tool bin is fixedly connected with the second motor, and one end of the movable plate, which is far away from the air cylinder, is fixedly connected with an output shaft of the second motor.
According to the tool changing mechanism of the numerical control machine tool, two telescopic rods are symmetrically arranged between the movable plate and the mounting plate.
According to the tool changing mechanism of the numerical control machine tool, the height of the sleeve is larger than the thickness of the head of the bolt, and a baffle is fixedly connected to one side, close to the rotating shaft, of the cutter head.
The utility model has the following beneficial effects:
Compared with the prior art, the tool changing mechanism of the numerical control machine tool has the advantages that the tool bit is connected with the machine tool spindle through the bolts, the tool bit is stable in connection and convenient to assemble and disassemble, the cutter disc, the cylinder and the assembly and disassembly components for assembling and disassembling the bolts are arranged, rapid and stable tool replacement can be realized, the degree of automation is high, the improvement of the machining efficiency and flexibility of the machine tool is facilitated, and the practicability is high.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further illustrated by the following figures and examples;
Fig. 1 is a schematic top view of a tool changing mechanism of a numerically controlled machine tool in a preliminary state;
fig. 2 is a schematic view showing a bottom view of a tool changing mechanism of a numerical control machine tool in a tool changing preparation state;
fig. 3 is a schematic view showing a bottom view structure of a tool changing mechanism of a numerical control machine tool in a tool changing state;
Fig. 4 is a schematic diagram of a cross-sectional structure of the cutter head in the state of fig. 3 of a tool changing mechanism of a numerically controlled machine tool according to the present utility model;
FIG. 5 is an enlarged schematic view of the tool changing mechanism of the numerical control machine tool of FIG. 4A;
FIG. 6 is a schematic view of the machine spindle, tool bit and bolt of the tool changing mechanism of the numerical control machine of the present utility model;
fig. 7 is a schematic diagram of a third motor, a sleeve and a clamping block of a tool changing mechanism of a numerical control machine tool.
Legend description:
1. 2, a cutter head, 3, a machine tool spindle, 4, a rotating shaft, 5, a first motor, 6, a second motor, 7, a movable plate, 8, an air cylinder, 9, a cutter head, 10, a baffle plate, 11, a third motor, 12, a sleeve, 13, a clamping block, 14, a bolt, 15, a supporting frame, 16, a mounting plate, 17, a through groove, 18 and a telescopic rod.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-7, the tool changing mechanism of the numerical control machine tool according to the embodiment of the utility model comprises a machine tool spindle 3 and a tool bin 1 arranged on one side of the machine tool spindle 3, wherein a cutter head 2 with a semicircular structure is arranged on one side of the tool bin 1, which is close to the machine tool spindle 3, and is positioned below the machine tool spindle 3, a cutter head 9 is arranged in the cutter head 2 and at the bottom of the machine tool spindle 3, and the cutter head 9 at the bottom of the machine tool spindle 3 is connected with the machine tool spindle 3 through two symmetrically arranged bolts 14, so that the stability of the cutter head 9 in the machining process is ensured. The cutter heads 9 inside the cutter head 2 are inserted inside the cutter head 2, so that the quick replacement is convenient. The cutter head 2 bottom is equipped with fly leaf 7, the below that fly leaf 7 top just is located lathe main shaft 3 is equipped with cylinder 8, cylinder 8 piston rod top fixedly connected with U-shaped structure's support frame 15, support frame 15 top fixedly connected with mounting panel 16, mounting panel 16 top symmetry is equipped with two dismouting subassemblies that are used for dismouting bolt 14, dismouting subassembly includes the third motor 11 of fixedly connected in mounting panel 16 top, fixedly connected in sleeve 12 and the fixture block 13 of fixedly connected on sleeve 12 bottom internal surface at the output shaft top of third motor 11, the head of bolt 14 all is equipped with the straight word groove of pegging graft with fixture block 13 cooperation, the logical groove 17 that sets up relatively about with bolt 14 has been seted up to cutter head 2 inside.
When the tool bit 9 needs to be replaced, the machine tool spindle 3 moves to a tool changing position above the cutter head 2, the cutter head 2 moves a tool apron corresponding to the tool bit 9 on the machine tool spindle 3 to the lower part of the machine tool spindle 3, and the machine tool spindle 3 moves downwards to connect the tool bit 9 with the tool apron in a matched mode. Firstly, the movable plate 7 is driven to ascend by the air cylinder 8, so that the sleeve 12 moves into the through groove 17 and the clamping block 13 is inserted into the straight groove of the bolt 14. The third motor 11 is started to drive the sleeve 12 and the clamping block 13 to rotate, so that the bolts 14 are quickly disassembled. The machine spindle 3 is lifted and the cylinder 8 drives the movable plate 7 to descend so that the sleeve 12 is positioned below the through groove 17. The cutter head 2 rotates to rotate the cutter head 9 to be replaced to the position below the machine tool spindle 3, the position below the machine tool spindle 3 is in contact with the cutter head 9, and the air cylinder 8 drives the movable plate 7 to ascend, so that the sleeve 12 moves into the through groove 17 again and the bolt 14 approaches the threaded hole of the machine tool spindle 3. The third motor 11 is started, the sleeve 12 and the clamping block 13 are driven to rotate, the quick screwing of the bolt 14 can be realized, the tool changing work can be completed, the quick and stable tool changing can be realized, the improvement of the machining efficiency and the flexibility of the machine tool is facilitated, and the practicability is high.
First, the movable plate 7 is driven to ascend by the second motor 6, so that the dismounting assembly is aligned with the bolt 14. Then the third motor 11 is started, the sleeve 12 and the clamping block 13 are driven to rotate, and the clamping block 13 is matched with the straight groove at the head of the bolt 14, so that the bolt 14 is quickly disassembled. After the disassembly is completed, the cutter head 2 is driven to rotate by the first motor 5, and the cutter head 9 which needs to be replaced is rotated to the lower part of the machine tool spindle 3. Then, a new tool bit 9 is mounted to the bottom of the machine spindle 3, again by the cooperation of the second motor 6 and the third motor 11. Finally, the movable plate 7 is driven to descend by the air cylinder 8 to finish the whole tool changing process
In order to be convenient for the rotation of blade disc 2, cutter storehouse 1 topside rotates and is connected with pivot 4, pivot 4 bottom and blade disc 2 top fixed connection, and cutter storehouse 1 top just is located pivot 4 top fixedly connected with first motor 5, and the top of pivot 4 and the output shaft fixed connection of first motor 5, cutter storehouse 1 bottom fixedly connected with second motor 6, the one end that cylinder 8 was kept away from to fly leaf 7 and the output shaft fixed connection of second motor 6.
The tool bin 1 is arranged on one side of a machining space of the numerical control machine tool, when a tool is required to be changed, the machine tool spindle 3 moves to a tool changing position, and the first motor 5 and the second motor 6 operate to drive the cutter disc 2 and the movable plate 7 to rotate to the outer side of the tool bin 1, so that subsequent tool changing work is performed. After the tool changing is completed, the first motor 5 and the second motor 6 operate to drive the cutter disc 2 and the movable plate 7 to rotate to the inside of the tool bin 1 for storage, so that the normal processing space of the numerical control machine tool is ensured, and the use effect is good.
In order to ensure the stability of the movable plate 7 during movement, two telescopic rods 18 are symmetrically arranged between the movable plate 7 and the mounting plate 16. The height of the sleeve 12 is greater than the thickness of the head of the bolt 14 to ensure that the disassembled bolt 14 is stably located inside the sleeve 12. One side of the cutter disc 2, which is close to the rotating shaft 4, is fixedly connected with a baffle 10, and the rotating shaft 4 rotates to move the cutter disc 2 to the inside of the cutter bin 1 for storage, and the baffle 10 plays a role in blocking and protecting so as to reduce the splashing of chips generated during the processing of the machine tool spindle 3 onto the cutter head 9.
The working principle is that when the tool bit 9 needs to be replaced, the machine tool spindle 3 moves to a tool changing position above the cutter head 2, the cutter head 2 moves a tool apron corresponding to the tool bit 9 on the machine tool spindle 3 to the position below the machine tool spindle 3, and the machine tool spindle 3 moves downwards to connect the tool bit 9 with the tool apron in a matched mode. Firstly, the movable plate 7 is driven to ascend by the air cylinder 8, so that the sleeve 12 moves into the through groove 17 and the clamping block 13 is inserted into the straight groove of the bolt 14. The third motor 11 is started to drive the sleeve 12 and the clamping block 13 to rotate, so that the bolts 14 are quickly disassembled. The machine spindle 3 is lifted and the cylinder 8 drives the movable plate 7 to descend so that the sleeve 12 is positioned below the through groove 17. The cutter head 2 rotates to rotate the cutter head 9 to be replaced to the position below the machine tool spindle 3, the position below the machine tool spindle 3 is in contact with the cutter head 9, and the air cylinder 8 drives the movable plate 7 to ascend, so that the sleeve 12 moves into the through groove 17 again and the bolt 14 approaches the threaded hole of the machine tool spindle 3. The third motor 11 is started, the sleeve 12 and the clamping block 13 are driven to rotate, the quick screwing of the bolt 14 can be realized, the tool changing work can be completed, the quick and stable tool changing can be realized, the improvement of the machining efficiency and the flexibility of the machine tool is facilitated, and the practicability is high.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422831162.1U CN223419010U (en) | 2024-11-20 | 2024-11-20 | Tool changing mechanism for CNC machine tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422831162.1U CN223419010U (en) | 2024-11-20 | 2024-11-20 | Tool changing mechanism for CNC machine tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223419010U true CN223419010U (en) | 2025-10-10 |
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ID=97262117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422831162.1U Active CN223419010U (en) | 2024-11-20 | 2024-11-20 | Tool changing mechanism for CNC machine tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223419010U (en) |
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- 2024-11-20 CN CN202422831162.1U patent/CN223419010U/en active Active
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