Modularized cutting tool structure capable of rapidly changing tool

By incorporating a tool changer and electromagnet magnetic block technology within the modular cutting tool structure, the problem of frequent positional movement and insertion/removal operations during tool changing is solved, enabling a faster tool changing process.

CN224102414UActive Publication Date: 2026-04-10ANQING NIULI MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANQING NIULI MOULD CO LTD
Filing Date
2025-04-30
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In a multi-variety, small-batch production model, the existing cutting tool replacement process requires frequent positional movement and insertion/removal operations, resulting in a slow tool change speed.

Method used

It adopts a modular cutting tool structure, and tool replacement is achieved by rotating the tool changing device, reducing position movement and insertion/removal operations. Electromagnets and magnetic blocks are used to quickly fix and unlock the tool.

Benefits of technology

It improves tool changing efficiency, making the tool changing process faster and more efficient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a modularized cutting tool structure capable of quickly changing a tool, which relates to the technical field of cutting processing, and comprises a tool spindle and a cutting tool arranged on the tool spindle, and further comprises a tool changing device arranged on one side of the tool spindle through an electric push rod, the tool changing device is used for quickly changing the cutting tool; by arranging the tool changing device, the tool spindle is moved into the tool changing device during tool changing, the tool is changed through rotation of the tool changing device, frequent position movement and tool pulling and inserting operation are not needed during changing, and therefore the tool changing efficiency is improved, and tool changing is faster. The problems that a tool spindle needs to be moved to a tool rest to replace a tool, the tool spindle needs to be frequently moved, and the tool is pulled out and inserted in the replacement process, so that the replacement process is complex, and the tool replacement speed is low are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cutting processing technical field, concretely is a kind of modularization cutting tool structure of quick tool changing. BACKGROUND

[0002] Cutting processing refers to the cutting tool that is cut to the excess material layer on blank or workpiece and becomes cutting chip, so that workpiece obtains the processing method of specified geometry, size and surface quality.In the background of multi-variety, small-batch production mode becomes mainstream, frequent and efficient tool replacement demand increasingly highlights, simultaneously for realizing the quick switching and accurate link between different machining processes.

[0003] At present, when cutting tool is replaced, tool spindle needs to be moved to tool rest part to replace tool, and tool spindle needs frequent position movement and tool pulling and inserting operation in replacement process, so that replacement process is relatively complex, so that tool changing speed is slow. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of modularization cutting tool structure of quick tool changing, with tool changing device, tool spindle is moved to tool changing device when replacing tool, and tool is replaced by the rotation of tool changing device, and frequent position movement and tool pulling and inserting operation are not needed when replacing, so as to improve tool changing efficiency, so that tool changing is faster, to solve the problem that tool spindle needs to be moved to tool rest part to replace tool, and tool spindle needs frequent position movement and tool pulling and inserting operation in replacement process, so that replacement process is relatively complex, so that tool changing speed is slow.

[0005] To realize the replacement of tool by the rotation of tool changing device, frequent position movement and tool pulling and inserting operation are not needed when replacing, so as to improve tool changing efficiency, so that tool changing is faster, the utility model provides the following technical scheme for the purpose: a kind of modularization cutting tool structure of quick tool changing, including tool spindle and cutting tool installed on tool spindle, further comprising: setting on the side of tool spindle by electric push rod is provided with tool changing device, the tool changing device is used to replace cutting tool quickly;The tool changing device includes switching frame, drive motor and multiple placing seats, the drive motor is connected with electric push rod by support frame, the switching frame is installed on the surface of drive motor output shaft, the switching frame is set as arc, multiple placing seats are arrayed on the surface of switching frame around the central axis of drive motor output shaft, and the cutting tool can be placed into placing seat;Fixed device is set on placing seat, and the fixed device is used to fix the cutting tool in placing seat.

[0006] As a preferred technical scheme of the utility model, the end of the cutter spindle is fixedly provided with a mounting frame, the mounting frame is arranged in a shape of a Chinese character, an electromagnet is fixedly arranged in the mounting frame, a magnetic block is fixedly arranged at the top end of the cutting tool, the magnetic block is inserted into the mounting frame, and the magnetic block is magnetically connected with the electromagnet.

[0007] As a preferred technical scheme of the utility model, the fixing device comprises clamping blocks, a reset spring and a positioning block, a sliding groove is formed in the surface of the placing seat, the sliding groove is formed on the two sides of the cutter hole in the surface of the placing seat, the clamping blocks are slidingly inserted into the sliding groove, the two ends of the reset spring are connected with the clamping blocks and the inner side wall of the sliding groove respectively, the positioning block is fixedly arranged between the cutting tool and the electromagnet, and the two clamping blocks are used for clamping the two sides of the positioning block.

[0008] As a preferred technical scheme of the utility model, a fixed insertion strip is fixedly arranged on the side of the clamping block close to the positioning block, an annular groove is formed in the surface of the positioning block, the fixed insertion strip is inserted into the annular groove, and the surface of the mounting frame is provided with an unlocking assembly used for driving the clamping block to be unlocked.

[0009] As a preferred technical scheme of the utility model, the unlocking assembly comprises a toggle plate and a pressing block, the top of the toggle plate is arranged on the side of the mounting frame through a hinge seat, the pressing block is fixedly arranged on the top surface of the clamping block, the pressing block is triangular, and the toggle plate rotates around the hinge seat to perform extrusion movement on the pressing block.

[0010] As a preferred technical scheme of the utility model, a connecting frame is fixedly arranged at the top end of the toggle plate, the connecting frame is arranged in an inclined mode, a magnetic plate is fixedly arranged on the surface of the connecting frame, a side electromagnet block is arranged on the side of the mounting frame through a through groove, the side electromagnet block is integrally formed with the electromagnet, and the side electromagnet block can be magnetically connected with the magnetic plate.

[0011] As a preferred technical scheme of the utility model, a sliding block is fixedly arranged on the surface of the switching frame, the sliding block is arranged in a shape of a Chinese character, a guide groove is formed in the surface of the supporting frame, and the sliding block is adaptively inserted into the guide groove.

[0012] Compared with the prior art, the utility model provides a modular cutting tool structure with quick tool changing, and has the following beneficial effects:

[0013] The modular cutting tool structure of the quick tool changing device is provided with a tool changing device, and the tool spindle is moved into the tool changing device when the tool is changed, and the tool is changed through the rotation of the tool changing device, and the position moving and tool pulling and inserting operations are not required frequently during the changing, thereby improving the tool changing efficiency and making the tool changing faster, so as to solve the problems that the tool spindle needs to be moved to the tool rest part for changing the tool, the position moving and tool pulling and inserting operations are required frequently during the changing, and the changing process is relatively complex, and the tool changing speed is slow. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is the utility model Figure 1 It is an enlarged view of structure A in the utility model;

[0016] Figure 3 It is a surface structure schematic view of the utility model placing seat;

[0017] Figure 4 It is a sectional view of the utility model placing seat structure.

[0018] In the figure: 1, tool spindle; 2, cutting tool; 3, electric push rod; 4, switching frame; 5, driving motor; 6, placing seat; 7, support frame; 8, mounting frame; 9, electromagnet; 10, magnetic attraction block; 11, clamping block; 12, return spring; 13, positioning block; 14, sliding groove; 15, fixed insertion strip; 16, annular groove; 17, push plate; 18, extrusion block; 19, connecting frame; 20, magnetic attraction plate; 21, side electromagnet block; 22 sliding block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4The utility model discloses a modularization cutting tool structure of quick tool changing, including tool main shaft 1, and install the cutting tool 2 of tool main shaft 1 on, still include: set up in the one side of tool main shaft 1 through electric push rod 3 is provided with tool changing device, and tool changing device is used for the quick replacement of cutting tool 2, tool changing device includes switching frame 4, drive motor 5 and multiple placing seat 6, and drive motor 5 is connected with electric push rod 3 through support frame 7, and switching frame 4 installs the surface of drive motor 5 output shaft, and switching frame 4 sets up as arc, and multiple placing seat 6 surrounds drive motor 5 output shaft's central axis and is arranged on the surface of switching frame 4, and cutting tool 2 can be placed into placing seat 6, set up on the fixing device of placing seat 6, and fixing device is used for the fixing of cutting tool 2 in placing seat 6.

[0021] Specifically, the end of the tool main shaft 1 is fixedly provided with a mounting frame 8, the mounting frame 8 is in the shape of a Chinese character 'fang', the mounting frame 8 is internally fixedly provided with an electromagnet 9, the top end of the cutting tool 2 is fixedly provided with a magnetic block 10, the magnetic block 10 is inserted into the mounting frame 8, and the magnetic block 10 is magnetically connected with the electromagnet 9.

[0022] In the embodiment, the tool main shaft 1 is driven to move downward by the power of the tool main shaft 1 itself, so that the cutting tool 2 is inserted into the placing seat 6, then the controller is used to control the electromagnet 9 to be powered off, so that the electromagnet 9 loses magnetism and is disconnected with the magnetic block 10, thereby achieving the convenience of dismounting and mounting the cutting tool 2.

[0023] Specifically, the fixing device includes clamping blocks 11, return springs 12 and positioning blocks 13, the surface of the placing seat 6 is provided with sliding grooves 14, the sliding grooves 14 are arranged on the two sides of the tool hole on the surface of the placing seat 6, the clamping blocks 11 are slidingly inserted into the sliding grooves 14, and the two ends of the return springs 12 are respectively connected with the clamping blocks 11 and the inner side walls of the sliding grooves 14; the positioning blocks 13 are fixedly arranged between the cutting tools 2 and the electromagnets 9, and the two clamping blocks 11 are used to clamp the two sides of the positioning blocks 13.

[0024] In the embodiment, after the cutting tool 2 is inserted into the placing seat 6, the clamping blocks 11 clamp the positioning blocks 13 on the cutting tools 2 under the elastic reset of the return springs 12, so that the cutting tools 2 are fixed.

[0025] Specifically, the side, close to the positioning block 13, of each clamping block 11 is fixedly provided with a fixed insertion strip 15, the surface of the positioning block 13 is provided with an annular groove 16, the fixed insertion strip 15 is inserted into the annular groove 16, and the surface of the mounting frame 8 is provided with an unlocking assembly used to drive the clamping blocks 11 to be unlocked.

[0026] In the embodiment, when the clamping blocks 11 clamp the positioning blocks 13, the fixed insertion strips 15 on the clamping sides of the clamping blocks 11 are inserted into the annular grooves 16 on the positioning blocks 13, so that the cutting tools 2 are further fixed, and the fixing effect is improved.

[0027] Specifically, the unlocking assembly includes a toggle plate 17 and a pressing block 18, the top of the toggle plate 17 is arranged on the side of the mounting frame 8 through a hinge seat, and the pressing block 18 is fixedly arranged on the top surface of the clamping block 11. The pressing block 18 is triangular, and the toggle plate 17 rotates around the hinge seat to perform extrusion movement on the pressing block 18.

[0028] The top end of the toggle plate 17 is fixedly provided with a connecting frame 19, the connecting frame 19 is arranged obliquely, a magnetic plate 20 is fixedly arranged on the surface of the connecting frame 19, the side of the mounting frame 8 is provided with a side electromagnetic block 21 through a through slot, the side electromagnetic block 21 is integrally formed with the electromagnet 9, and the side electromagnetic block 21 is magnetically connected with the magnetic plate 20.

[0029] In the embodiment, when the replaced cutting tool is taken out, the side electromagnetic block 21 is electrified, the magnetic attraction force is greater than the elastic force of the reset spring 12, the magnetic plate 20 is attracted under the action of the magnetic attraction force, the magnetic plate 20 drives the toggle plate 17 to rotate through the connecting frame 19, the toggle plate 17 is extruded to the inclined surface of the pressing block 18, then the two clamping blocks 11 are driven to move away from each other through the pressing block 18, so that the cutting tool 2 can be installed and unlocked at the same time through the electromagnet 9.

[0030] Specifically, the surface of the switching frame 4 is fixedly provided with a sliding block 22, the sliding block 22 is arranged in a convex shape, the surface of the support frame 7 is provided with a guide groove, and the sliding block 22 is adaptively inserted into the guide groove.

[0031] In the embodiment, the controller controls the rotation of the driving motor 5, the driving motor 5 drives the rotation of the switching frame 4, the switching frame 4 drives the sliding block 22 on the surface to move along the guide groove on the support frame 7, the switching frame 4 can be guided and supported, and instability in the movement process is avoided.

[0032] The working principle and use flow of the utility model: when the cutting tool 2 needs to be replaced, the controller controls the electric push rod 3 telescopic shaft to extend, thereby driving the switching frame 4 to move towards the direction of the tool main shaft 1 through the support frame 7, the placing seat 6 is moved to the bottom of the cutting tool 2, then the tool main shaft 1 is driven to move downwards by the power of the tool main shaft 1 itself, the cutting tool 2 is inserted into the placing seat 6, then the controller controls the electromagnet 9 to be powered off, the electromagnet 9 loses magnetism and disconnects with the magnetic suction block 10, thereby achieving the disassembly of the cutting tool 2, then the controller controls the driving motor 5 to rotate, the driving motor 5 drives the switching frame 4 to rotate, the cutting tool is installed in each placing seat 6, thereby the disassembled cutting tool is separated from the mounting frame 8, then one cutting tool 2 needing to be replaced is rotated into the mounting frame 8, then the electromagnet 9 is powered on, the electromagnet 9 is magnetically connected with the magnetic suction block 10 on the cutting tool 2, thereby fixing the cutting tool 2, then the tool main shaft 1 is controlled to move upwards, driving the cutting tool 2 to separate from the placing seat 6, then the electric push rod 3 is controlled to reset, the replacement of the cutting tool 2 is completed, the cutting process of the cutting tool 2 is more convenient and fast.

[0033] When the tool main shaft 1 drives the cutting tool to be inserted into the placing seat 6, the push plate 17 on the side of the mounting frame 8 is pressed to the inclined surface of the pressing block 18, then the two clamping blocks 11 are driven to move apart by the pressing block 18, and the reset spring 12 is elastically compressed, then the cutting tool 2 is inserted into the placing seat 6, then the side electromagnetic block 21 is powered off, the connection with the magnetic suction plate 20 is disconnected, the push plate 17 is reset and separated from the clamping plate, then under the elastic reset of the reset spring 12, the clamping block 11 clamps the positioning block 13 on the cutting tool 2, thereby fixing the cutting tool 2; when the replaced cutting tool is taken out, the side electromagnetic block 21 is powered on, the magnetic attraction force is greater than the elastic force of the reset spring 12, thereby the magnetic suction plate 20 is attracted under the action of the magnetic attraction force, the magnetic suction plate 20 drives the push plate 17 to rotate through the connecting frame 19, thereby pressing the pressing block 18, and the cutting tool 2 is unlocked.

[0034] It should be noted that in this text, terms such as "including", "containing" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the existence of other identical elements in the process, method, article or equipment including the element.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-change modular cutting tool structure comprising a tool spindle (1) and a cutting tool (2) mounted on the tool spindle (1), characterized in that, Also include: The cutter spindle (1) is provided with a tool changing device on one side through an electric push rod (3), and the tool changing device is used for quick replacement of the cutting tool (2); The tool changing device comprises a switching frame (4), a driving motor (5) and a plurality of placing seats (6), the driving motor (5) is connected with the electric push rod (3) through a support frame (7), the switching frame (4) is installed on the surface of the output shaft of the driving motor (5), the switching frame (4) is arranged in an arc shape, and a plurality of placing seats (6) are arranged on the surface of the switching frame (4) around the central axis of the output shaft of the driving motor (5), and the cutting tool (2) can be placed in the placing seat (6). A fixing device is arranged on the placing seat (6), and the fixing device is used for fixing the cutting tool (2) in the placing seat (6).

2. A quick tool change modular cutting tool structure according to claim 1, characterized in that: The end of the cutter spindle (1) is fixedly provided with a mounting frame (8), the mounting frame (8) is arranged in a character-shaped form, the inside of the mounting frame (8) is fixedly provided with an electromagnet (9), the top end of the cutting tool (2) is fixedly provided with a magnetic suction block (10), the magnetic suction block (10) is inserted into the mounting frame (8), and the magnetic suction block (10) is magnetically connected with the electromagnet (9).

3. A quick tool change modular cutting tool structure according to claim 2, characterized in that: The fixing device comprises a clamping block (11), a reset spring (12) and a positioning block (13), the surface of the placing seat (6) is provided with a sliding groove (14), the sliding groove (14) is arranged on both sides of the tool hole on the surface of the placing seat (6), the clamping block (11) is slidingly inserted into the sliding groove (14), and the two ends of the reset spring (12) are connected with the clamping block (11) and the inner side wall of the sliding groove (14) respectively. The positioning block (13) is fixedly arranged between the cutting tool (2) and the electromagnet (9), and the two clamping blocks (11) are used for clamping the two sides of the positioning block (13).

4. A quick-change modular cutting tool structure according to claim 3, characterized in that: The side of the clamping block (11) close to the positioning block (13) is fixedly provided with a fixed insertion strip (15), the surface of the positioning block (13) is provided with an annular groove (16), the fixed insertion strip (15) is inserted into the annular groove (16), and the surface of the mounting frame (8) is provided with an unlocking assembly for driving the clamping block (11) to be unlocked.

5. A quick-change modular cutting tool structure according to claim 4, characterized in that: The unlocking assembly comprises a toggle plate (17) and a pressing block (18), the top of the toggle plate (17) is arranged on the side of the mounting frame (8) through a hinged seat, the pressing block (18) is fixedly arranged on the top surface of the clamping block (11), the pressing block (18) is triangular, and the toggle plate (17) rotates around the hinged seat to perform extrusion movement on the pressing block (18).

6. A quick-change modular cutting tool structure according to claim 5, characterized in that: The top end of the toggle plate (17) is fixedly provided with a connecting frame (19), the connecting frame (19) is arranged in an inclined manner, the surface of the connecting frame (19) is fixedly provided with a magnetic suction plate (20), the side of the mounting frame (8) is provided with a side electromagnetic block (21) through a through groove, the side electromagnetic block (21) is integrally formed with the electromagnet (9), and the side electromagnetic block (21) can be magnetically connected with the magnetic suction plate (20).

7. A quick tool change modular cutting tool structure according to claim 1, characterized in that: The surface of the switching frame (4) is fixedly provided with a sliding block (22), the sliding block (22) is provided as a convex letter shape, the surface of the supporting frame (7) is provided with a guide groove, and the sliding block (22) is adaptively inserted into the guide groove.