Numerically-controlled machine tool with cutter convenient to replace

Abstract

The numerical control machine tool comprises a base, a cross beam module, a main shaft module, a working table set and a tool magazine module, the cross beam module is erected on the base, the main shaft module is movably connected with the front side of the cross beam module, the tool magazine module is arranged at the bottom of the middle of the cross beam module, a plurality of tools are loaded on the tool magazine module, and the working table set is arranged on the working table set. The tool magazine module can drive the tool to move towards the front side of the cross beam module, so that the tool is moved to the position below the main shaft module, and the workbench set is installed on the base and can move along the base. According to the numerical control machine tool convenient to replace the tool, the tool magazine module drives the tool to move towards the direction of the front side of the cross beam module, so that the tool moves to the position below the main shaft module, tool replacement of the main shaft module is facilitated, and due to the fact that the weight of the tool is light, multiple sets of high-power driving mechanisms do not need to be adopted for driving; the enterprise cost is saved, and the overall structural design of the numerical control machine tool is reasonable.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool technology, and in particular to a CNC machine tool that facilitates tool replacement. Background Technology

[0002] CNC machine tools, short for numerical control machine tools, are automated machine tools equipped with a program control system. They do not require direct operator intervention; instead, machining is achieved through programmed machining. During machining, different parts require varying levels of precision, necessitating frequent tool changes. Therefore, equipping CNC machine tools with tool magazines has become an essential requirement for machining plants.

[0003] In existing technologies, the tool magazine is typically located on one side or at the rear of the base, as in Chinese Patent: 2023230140640. When changing tools, the crossbeam assembly needs to be moved, which in turn moves the machining spindle to a position that mates with the tool magazine before tool changing can be performed. However, after assembling the crossbeam assembly and multiple machining spindles, the overall weight increases significantly. To move it, multiple high-power drive mechanisms are required, which increases the cost of the CNC machine tool and makes tool changing inconvenient. Therefore, this type of CNC machine tool needs to be improved. Utility Model Content

[0004] The purpose of this utility model is to provide a CNC machine tool that is easy to change tools and has a reasonable structural design for easy tool replacement.

[0005] To solve the above technical problems, the present invention can be implemented using the following technical solutions:

[0006] A CNC machine tool for easy tool changing includes a base, a crossbeam module, a spindle module, a worktable assembly, and a tool magazine module. The crossbeam module is mounted on the base, and the spindle module is movably connected to the front side of the crossbeam module. The tool magazine module is located at the bottom center of the crossbeam module and is loaded with several tools. The tool magazine module can drive the tools to move towards the front of the crossbeam module, thereby moving the tools below the spindle module. The worktable assembly is mounted on the base and can move along the base.

[0007] In one embodiment, the tool magazine module includes a fixed base, a tool drive, and a tool mounting bracket. The fixed base is connected to the middle bottom of the crossbeam module, the tool drive is mounted on the fixed base, the tool mounting bracket is connected to the tool drive, and a plurality of tool clamping blocks are provided on the tool mounting bracket. The tool clamping blocks are provided with tool placement slots, and the tools are loaded in the tool placement slots.

[0008] In one embodiment, the crossbeam module includes a gantry frame, a first drive member, and a first lead screw. The gantry frame is mounted on a base, and the first drive member and the first lead screw are respectively disposed on the gantry frame. The first drive member is connected to the first lead screw and can drive the first lead screw to rotate. The tool magazine module is disposed at the bottom middle of the gantry frame.

[0009] In one embodiment, the spindle module includes a fixed plate, a second drive member, a second lead screw, and an electric spindle. The fixed plate is connected to the first lead screw, the second drive member and the second lead screw are disposed on the fixed plate, and the second drive member is connected to the second lead screw and can drive the second lead screw to rotate. The electric spindle is connected to the second lead screw.

[0010] In one embodiment, the worktable assembly includes a sliding table, an indexing plate, and a chuck. The sliding table is connected to a drive unit mounted on a base, and the drive unit can drive the sliding table to move on the base. The indexing plate is mounted on the sliding table, and the chuck is connected to the indexing plate, and the indexing plate can drive the chuck to clamp the workpiece.

[0011] In one embodiment, the spindle module is provided in multiple sets, and the number of indexing plates and chucks is the same as the number of spindle modules, and they correspond one-to-one.

[0012] In one embodiment, the tool magazine module further includes a protective cover that covers the tool drive and the tool mounting bracket.

[0013] In one embodiment, the base and the gantry are also provided with a number of weight-reducing holes.

[0014] In one embodiment, lifting lugs are also provided on the base and the gantry.

[0015] In one embodiment, the base has several interconnected shock-absorbing holes at its bottom, and shock-absorbing material is filled in the holes. Several adjustable shock-absorbing feet are also provided at the bottom edge of the base. Beneficial effects

[0016] This utility model relates to a CNC machine tool that facilitates tool changing. A crossbeam module is mounted on a base, while the spindle module is located in front of the crossbeam module. A tool magazine module is installed at the bottom center of the crossbeam module, and the tools are loaded into the tool magazine module. The tool magazine module drives the tools to move towards the front of the crossbeam module, thereby moving the tools below the spindle module. This facilitates tool changing on the spindle module. Furthermore, because the tools are lightweight, multiple high-power drive mechanisms are unnecessary, saving enterprise costs and making the overall structure of the CNC machine tool more rationally designed. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a CNC machine tool with easily changeable cutting tools according to the present invention. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of a CNC machine tool with easily changeable cutting tools according to the present invention. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the tool magazine module for a CNC machine tool that facilitates tool changing, as described in this utility model. Figure 1 ;

[0020] Figure 4 This is a schematic diagram of the tool magazine module for a CNC machine tool that facilitates tool changing, as described in this utility model. Figure 2 ;

[0021] Figure 5 This is a schematic diagram of the base of a CNC machine tool that facilitates tool replacement according to this utility model;

[0022] Figure 6 This is a schematic diagram of the crossbeam module of a CNC machine tool that facilitates tool replacement according to this utility model;

[0023] Figure 7 This is a schematic diagram of the spindle module of a CNC machine tool that facilitates tool replacement according to this utility model;

[0024] Figure 8 This is a schematic diagram of the worktable assembly of a CNC machine tool that facilitates tool replacement, according to the present invention.

[0025] As shown in the attached diagram:

[0026] 100. Base; 110. Drive unit; 120. Vibration damping hole; 130. Adjustable vibration damping foot;

[0027] 200. Crossbeam module; 210. Gantry frame; 220. First drive component; 230. First lead screw;

[0028] 300. Spindle module; 310. Fixing plate; 320. Second drive component; 330. Second lead screw; 340. Electric spindle;

[0029] 400. Workbench assembly; 410. Sliding table; 420. Indexing plate; 430. Chuck;

[0030] 500. Tool magazine module; 510. Mounting base; 520. Tool drive unit; 530. Tool mounting bracket; 540. Tool clamp; 541. Tool slot; 550. Tool; 560. Protective cover;

[0031] 600, weight reduction hole;

[0032] 700. Hanging lugs. Detailed Implementation

[0033] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0034] It should be noted that when an element is said to be "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is said to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. Conversely, when an element is said to be "directly on" another element, there is no intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0036] Please see Figures 1 to 8 A CNC machine tool for easy tool changing includes a base 100, a crossbeam module 200, a spindle module 300, a worktable assembly 400, and a tool magazine module 500. The crossbeam module 200 is mounted on the base 100. The spindle module 300 is movably connected to the front side of the crossbeam module 200. The tool magazine module 500 is located at the bottom center of the crossbeam module 200 and is loaded with several tools 550. The tool magazine module 500 can drive the tools 550 to move towards the front side of the crossbeam module 200, thereby moving the tools 550 below the spindle module 300. The worktable assembly 400 is mounted on the base 100 and can move along the base 100.

[0037] Specifically, in this embodiment, the crossbeam module 200 is mounted on the base 100, and the spindle module 300 is installed on the front side of the crossbeam module 200. At the same time, the tool magazine module 500 is set at the bottom middle of the crossbeam module 200, and the tool 550 is loaded on the tool magazine module 500. The tool magazine module 500 can drive the tool 550 to move towards the front side of the crossbeam module 200, so that the tool 550 moves to below the spindle module 300. At this time, the spindle module 300 can move downward to cooperate with the tool 550 on the tool magazine module 500 to realize the replacement of the tool 550. Since the tool 550 is lightweight, it is not necessary to use multiple sets of high-power drive mechanisms to drive the tool 550 to move, which makes the replacement of the tool 550 convenient and simple, saves enterprise costs, and makes the overall structure design of the CNC machine tool more reasonable.

[0038] In addition, to ensure the processing quality of the workpiece, several vibration damping holes 120 are provided at the bottom of the base 100, and the vibration damping holes 120 are interconnected. The vibration damping material, such as sand, is filled in the vibration damping holes 120. At the same time, several adjustable vibration damping feet 130 are provided at the bottom edge of the base 100. The vibration damping holes 120 and the filled vibration damping material can effectively reduce the vibration of the CNC machine tool when processing the workpiece, thereby improving the processing quality of the workpiece. The height of the CNC machine tool can be adjusted by the adjustable vibration damping feet 130, so that the CNC machine tool can adapt to different processing environments.

[0039] Please see Figure 3 and Figure 4 In order to drive the tool 550 to move downwards towards the spindle module 300, the tool magazine module 500 in this embodiment includes a fixed base 510, a tool drive 520, and a tool mounting bracket 530. The fixed base 510 is connected to the middle bottom of the crossbeam module 200, the tool drive 520 is mounted on the fixed base 510, the tool mounting bracket 530 is connected to the tool drive 520, and a plurality of tool clamping blocks 540 are provided on the tool mounting bracket 530. The tool clamping blocks 540 are provided with tool placement slots 541, and the tool 550 is loaded in the tool placement slots 541.

[0040] When a tool change is required, the tool drive 520 drives the tool mounting bracket 530 to move towards the front of the crossbeam module 200. As the tool mounting bracket 530 moves, it also moves the tool clamping block 540 at its front end, thereby moving the tool 550 loaded in the tool slot 541 of the tool clamping block 540 to below the spindle module 300. The spindle module 300 then moves downward to engage with the tool 550, thus enabling the tool 550 to be changed. Finally, the tool drive 520 drives the tool 550 to move, making the tool 550 change convenient and eliminating the need for multiple sets of high-power drive components. This facilitates the movement of the tool 550 and reduces costs.

[0041] To prevent waste generated by the CNC machine tool from splashing onto the tool drive unit 520, tool mounting bracket 530, and tool 550 during machining, the tool magazine module 500 also includes a protective cover 560. The protective cover 560 covers the tool drive unit 520, tool mounting bracket 530, and tool 550 to ensure the protection of the tool magazine module 500 and enable the tool magazine module 500 to smoothly drive the tool 550 to move.

[0042] Please see Figures 6 to 8 To achieve workpiece processing, the crossbeam module 200 in this embodiment includes a gantry frame 210, a first drive member 220, and a first lead screw 230. The gantry frame 210 is mounted on the base 100. The first drive member 220 and the first lead screw 230 are respectively disposed on the gantry frame 210, and the first drive member 220 is connected to the first lead screw 230, driving the first lead screw 230 to rotate. The tool magazine module 500 is disposed at the bottom center of the gantry frame 210. The spindle module 300 includes a fixed plate 310, a second drive member 320, a second lead screw 330, and an electric spindle 340. The fixed plate 310 is connected to the first lead screw 230, and the second drive member 220 is connected to the first lead screw 230. The second drive component 320 and the second lead screw 330 are disposed on the fixed plate 310, and the second drive component 320 is connected to the second lead screw 330 and can drive the second lead screw 330 to rotate. The electric spindle 340 is connected to the second lead screw 330. The worktable assembly 400 includes a sliding table 410, an indexing plate 420 and a chuck 430. The sliding table 410 is connected to the drive unit 110 disposed on the base 100. The drive unit 110 can drive the sliding table 410 to move on the base 100. The indexing plate 420 is mounted on the sliding table 410, and the chuck 430 is connected to the indexing plate 420. The indexing plate 420 can drive the chuck 430 to clamp the workpiece.

[0043] During workpiece processing, the workpiece is mounted on the chuck 430, and the indexing plate 420 drives the chuck 430 to clamp the workpiece. After the workpiece is clamped, the drive unit 110 on the base 100 drives the sliding table 410 to move, thereby moving the worktable assembly 400 to a set position. The drive unit 110 is a motor, lead screw, and slide rail structure, which is existing technology and will not be described in detail here. At the same time, the first drive member 220 drives the first lead screw 230 to rotate. When the first lead screw 230 rotates, it moves the fixing plate 310, thereby adjusting the lateral position of the spindle module 300 so that it cooperates with the workpiece clamped by the worktable assembly 400. When the spindle module 300 is adjusted to the set position, the second drive unit 320 drives the second lead screw 330 to rotate. When the second lead screw 330 rotates, it drives the electric spindle 340 to move downward, so that the tool 550 on the electric spindle 340 engages with the workpiece and performs machining on the clamped workpiece. After machining is completed, the spindle module 300 and the worktable assembly 400 are reset. When it is necessary to replace the tool 550, the tool drive unit 520 drives the tool 550 to move below the spindle module 300. At this time, the second drive unit 320 drives the second lead screw 330 to rotate, thereby causing the electric spindle 340 to move downward and engage with the tool 550 to achieve the replacement of the tool 550.

[0044] In order to improve processing efficiency, the spindle module 300 in this embodiment is provided with multiple sets, and the number of indexing plates 420 and chucks 430 is the same as the number of spindle modules 300, and they correspond one-to-one. By setting multiple sets of spindle modules 300, indexing plates 420 and chucks 430 at the same time, multiple sets of workpieces can be processed at the same time, thereby improving the processing efficiency of workpieces.

[0045] Finally, please see Figure 5 Because CNC machine tools are relatively heavy, in order to reduce the overall weight for easy transportation without affecting the overall strength of the CNC machine tool, several weight-reducing holes 600 are respectively opened on the base 100 and the gantry 210. The weight-reducing holes 600 can effectively reduce the overall weight of the CNC machine tool and ensure its overall strength. In addition, the lifting lugs 700 provided on the base 100 and the gantry 600 can facilitate the handling and movement of the CNC machine tool.

[0046] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description; however, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model; furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A CNC machine tool that facilitates tool changing, characterized in that: It includes a base, a crossbeam module, a spindle module, a worktable assembly, and a tool magazine module. The crossbeam module is mounted on the base, and the spindle module is movably connected to the front of the crossbeam module. The tool magazine module is located at the bottom center of the crossbeam module and carries several tools. The tool magazine module can drive the tools to move towards the front of the crossbeam module, thereby moving the tools below the spindle module. The worktable assembly is mounted on the base and can move along the base.

2. The CNC machine tool with easy tool changing according to claim 1, characterized in that: The tool magazine module includes a fixed base, a tool drive unit, and a tool mounting bracket. The fixed base is connected to the bottom middle of the crossbeam module. The tool drive unit is mounted on the fixed base. The tool mounting bracket is connected to the tool drive unit and has several tool clamping blocks. The tool clamping blocks have tool slots, and the tools are loaded into the tool slots.

3. The CNC machine tool with easy tool changing according to claim 2, characterized in that: The crossbeam module includes a gantry frame, a first drive component, and a first lead screw. The gantry frame is mounted on a base, and the first drive component and the first lead screw are respectively mounted on the gantry frame. The first drive component is connected to the first lead screw and can drive the first lead screw to rotate. The tool magazine module is located at the bottom center of the gantry frame.

4. The CNC machine tool with easy tool changing according to claim 3, characterized in that: The spindle module includes a fixed plate, a second drive component, a second lead screw, and an electric spindle. The fixed plate is connected to the first lead screw. The second drive component and the second lead screw are disposed on the fixed plate, and the second drive component is connected to the second lead screw and can drive the second lead screw to rotate. The electric spindle is connected to the second lead screw.

5. The CNC machine tool with easy tool changing according to claim 4, characterized in that: The worktable assembly includes a sliding table, an indexing plate, and a chuck. The sliding table is connected to a drive unit mounted on a base. The drive unit can drive the sliding table to move on the base. The indexing plate is mounted on the sliding table, and the chuck is connected to the indexing plate. The indexing plate can drive the chuck to clamp the workpiece.

6. The CNC machine tool with easy tool changing according to claim 5, characterized in that: The spindle module is configured in multiple sets, and the number of indexing plates and chucks is the same as the number of spindle modules, and they correspond one-to-one.

7. The CNC machine tool with easy tool changing according to claim 2, characterized in that: The tool magazine module also includes a protective cover that covers the tool drive and tool mounting bracket.

8. The CNC machine tool with easy tool changing according to claim 3, characterized in that: Several weight-reduction holes are also provided on the base and the gantry frame.

9. The CNC machine tool with easy tool changing according to claim 3, characterized in that: The base and the gantry frame are also equipped with lifting lugs.

10. The CNC machine tool with easy tool changing according to claim 1, characterized in that: The base has several interconnected shock-absorbing holes at its bottom, and shock-absorbing material is filled in the holes. Several adjustable shock-absorbing feet are also provided at the bottom edge of the base.

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