Cutter replacing device of double-spindle gantry machining center

By introducing dust cleaning components and quick-installation plates into the tool changing device, the problem of metal dust affecting accuracy and lifespan has been solved, enabling automated cleaning and quick replacement, thus improving the device's accuracy and lifespan.

CN224144095UActive Publication Date: 2026-04-21WUXI EDONG INTELLIGENT EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI EDONG INTELLIGENT EQUIP CO LTD
Filing Date
2025-04-14
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

During the machining process, metal dust entering the tool changing device affects accuracy and lifespan, causing wear or jamming of moving parts.

Method used

A tool changing device comprising a cylinder, a dust cleaning component, and a quick-installation plate was designed. Dust is cleaned by a scraper and a brush, and a robotic arm and servo motor drive are used to achieve automated cleaning and quick installation.

Benefits of technology

It effectively prevents dust accumulation, protects the spindle and cylinder, ensures the accuracy and lifespan of the device, and enables fast, wear-free tool replacement.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224144095U_ABST
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Abstract

The utility model discloses a cutter replacing device for a double-spindle gantry machining center, and relates to the field of numerical control machine tool equipment. The device comprises a cutter replacement part, one end of the cutter replacement part is rotationally connected with a displacement assembly, the displacement assembly comprises an air cylinder part, a dust cleaning part and a quick mounting plate, the cutter replacement part is fixedly connected to the power output end of the air cylinder part, and the dust cleaning part is fixedly connected to one end of the air cylinder part and comprises a scraper and a brush. The scraper is used for scraping powder on the power shaft, the brush is used for sweeping the scraped dust, and the quick mounting plate is arranged at the tail end of the air cylinder part. According to the device, the dust cleaning part is arranged on the main shaft where dust is prone to being accumulated, metal dust on the main shaft cannot be gathered and attached, the main shaft is prevented from being damaged or cannot rotate, meanwhile, the quick mounting plate is arranged, the cutter replacing part can be replaced and cleaned, and abrasion caused by long-time use is prevented.
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Description

Technical Field

[0001] This utility model relates to the field of CNC machine tool equipment technology, specifically a tool changing device for a dual-spindle gantry machining center. Background Technology

[0002] The tool changer in a twin-spindle gantry machining center is a highly efficient and precise mechanical structure based on automated control technology and mechanical transmission principles. When a tool change is needed, the control system issues a command to drive the tool changer mechanism. Through the coordinated operation of the spindle box, tool magazine, and robotic arm, the tool changer removes the old tool from the spindle and selects a suitable new tool from the tool magazine for installation. The entire process is fully automated and requires no manual intervention.

[0003] During machining, metal dust generated can easily enter the tool changing device, affecting its accuracy and lifespan, and causing wear or jamming of its moving parts during the tool changing process. To address these issues, this invention provides a tool changing device for a dual-spindle gantry machining center. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a tool changing device for a dual-spindle gantry machining center. This device solves the problem that metal dust generated during machining can easily enter the tool changing device, affecting its accuracy and lifespan, and causing wear or jamming of its moving parts during the tool changing process.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a tool changing device for a dual-spindle gantry machining center, comprising a tool changing component, one end of which is rotatably connected to a displacement assembly, the displacement assembly comprising a cylinder, a dust cleaning component, and a quick-mount plate, the tool changing component being fixedly connected to the power output end of the cylinder, the cylinder being used to drive the tool changing component to extend and retract, the dust cleaning component being fixedly connected to one end of the cylinder, the dust cleaning component comprising a scraper and a brush, the scraper being used to scrape off powder from the power shaft, the brush being used to sweep away the scraped dust, and the quick-mount plate being disposed at the end of the cylinder, the quick-mount plate being used to install the tool changing component.

[0006] Preferably, the displacement assembly further includes a robotic arm, which is rotatably connected to the gantry machining center. One end of the robotic arm is fixedly connected to an adapter, and a cylinder is rotatably connected to the adapter. A first servo motor is mounted on the outer end of the adapter, and the cylinder is fixedly connected to the power output end of the first servo motor.

[0007] Preferably, a spindle is fixedly connected to the power output end of the cylinder component, and the spindle is used to drive the tool changing component to move.

[0008] Preferably, the dust cleaning component further includes: a support rod and a fixing ring sleeve, wherein the support rod is fixedly connected to the bottom end of the cylinder component, the fixing ring sleeve is fixedly connected to the outer end of the support rod, the fixing ring sleeve is sleeved on the outside of the main shaft, the scraper is installed at the bottom end of the fixing ring sleeve, and the brush is installed at the top end of the fixing ring sleeve.

[0009] Preferably, the quick-mount plate includes: a shaped mounting plate, a mounting cover, and fixing bolts. The shaped mounting plate is fixedly connected to the outer end of the spindle. The mounting cover is movably snapped onto the shaped mounting plate. The mounting cover is used to fix the tool changer onto the shaped mounting plate. The fixing bolts are threaded into the shaped mounting plate and are used to fix the mounting cover onto the shaped mounting plate.

[0010] Preferably, the tool changing component has drill bit protection washers fixedly connected to both ends. The drill bit protection washers are used to increase the friction between the drill bit and the tool changing component. The tool changing component has a fixing groove at its shaft center. The fixing groove can be moved and engaged with the irregular mounting plate.

[0011] This utility model discloses a tool changing device for a dual-spindle gantry machining center, which has the following beneficial effects: This dual-spindle gantry machining center tool changing device, by setting a dust cleaning component on the spindle that is prone to dust accumulation, prevents metal dust on the spindle from accumulating and adhering, thus preventing the spindle from being damaged or unable to move, or even preventing dust from entering the cylinder and causing cylinder damage. At the same time, a quick-installation plate is set so that the tool changing component can be replaced and cleaned, preventing wear caused by long-term use. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the overall exploded structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of the robotic arm of this utility model;

[0016] Figure 4This is a schematic diagram of the exploded structure of the robotic arm of this utility model;

[0017] Figure 5 This is a schematic diagram of the overall structure of the dust cleaning component of this utility model;

[0018] Figure 6 This is a schematic diagram of the overall structure of the tool replacement part of this utility model.

[0019] In the diagram: 1. Displacement component; 11. Robotic arm; 111. Adapter; 112. First servo motor; 12. Cylinder; 121. Spindle; 13. Dust cleaning component; 131. Support rod; 132. Fixing ring; 133. Scraper; 134. Brush; 14. Quick mounting plate; 141. Irregular mounting plate; 142. Mounting cover; 143. Fixing bolt; 2. Tool changing component; 21. Drill bit protective washer; 22. Fixing groove. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] This application provides a tool changing device for a dual-spindle gantry machining center, which solves the problem that metal dust generated during machining can easily enter the tool changing device, affecting its accuracy and lifespan, and causing wear or jamming of its moving parts during the tool changing process.

[0022] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0023] This utility model discloses a tool changing device for a dual-spindle gantry machining center.

[0024] Example 1

[0025] According to the appendix Figure 1-6 As shown,

[0026] The device includes a tool changing component 2, one end of which is rotatably connected to a displacement component 1. The displacement component 1 includes a cylinder component 12, a dust cleaning component 13, and a quick-mount plate 14. The tool changing component 2 is fixedly connected to the power output end of the cylinder component 12. The cylinder component 12 is used to drive the tool changing component 2 to extend and retract. The dust cleaning component 13 is fixedly connected to one end of the cylinder component 12. The dust cleaning component 13 includes a scraper 133 and a brush 134. The scraper 133 is used to scrape off the powder on the power shaft, and the brush 134 is used to sweep away the scraped dust. The quick-mount plate 14 is located at the end of the cylinder component 12 and is used to install the tool changing component 2.

[0027] The displacement assembly 1 also includes a robotic arm 11, which is rotatably connected to the gantry machining center. One end of the robotic arm 11 is fixedly connected to an adapter 111, and a cylinder 12 is rotatably connected to the adapter 111. A first servo motor 112 is installed on the outer end of the adapter 111, and the cylinder 12 is fixedly connected to the power output end of the first servo motor 112.

[0028] A spindle 121 is fixedly connected to the power output end of the cylinder component 12. The spindle 121 is used to drive the tool changing component 2 to move.

[0029] The dust cleaning component 13 also includes: a support rod 131 and a fixing ring 132. The support rod 131 is fixedly connected to the bottom end of the cylinder component 12, and the fixing ring 132 is fixedly connected to the outer end of the support rod 131. The fixing ring 132 is sleeved on the outside of the main shaft 121. The scraper 133 is installed at the bottom end of the fixing ring 132, and the brush 134 is installed at the top end of the fixing ring 132.

[0030] When the spindle 121 needs to extend or retract, the metal dust on the spindle 121 is scraped off by the scraper 133 and cleaned by the brush 134 on the fixing ring 132 at the outer end of the spindle 121, so that the spindle 121 remains clean.

[0031] Example 2

[0032] Based on Example 1, according to Appendix Figure 1-6 As shown,

[0033] The quick-mount plate 14 includes: a shaped mounting plate 141, a mounting cover 142, and a fixing bolt 143. The shaped mounting plate 141 is fixedly connected to the outer end of the spindle 121. The mounting cover 142 is movably snapped onto the shaped mounting plate 141. The mounting cover 142 is used to fix the tool changer 2 onto the shaped mounting plate 141. The fixing bolt 143 is threaded into the shaped mounting plate 141. The fixing bolt 143 is used to fix the mounting cover 142 onto the shaped mounting plate 141.

[0034] The tool changing component 2 has drill bit protection washers 21 fixedly connected to both ends. The drill bit protection washers 21 are used to increase the friction between the drill bit and the tool changing component 2. The tool changing component 2 has a fixing groove 22 at the shaft center. After the fixing groove 22 moves, it is snapped onto the irregular mounting plate 141.

[0035] The tool changer 2 is fixed to the irregular mounting plate 141 through the fixing groove 22 and fixed by the mounting cover 142, so that the tool changer 2 can be quickly disassembled without falling off or stripping the thread. The tool changer 2 can be disassembled for cleaning and replacement. For some drill bits that do not match the size, the corresponding tool changer 2 can be replaced to replace the drill bit.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A dual-spindle gantry machining center tool changer comprising a tool changer member (2), characterized in that, One end of the tool changing component (2) is rotatably connected to a displacement assembly (1), the displacement assembly (1) comprising: The cylinder component (12) is fixedly connected to the power output end of the cylinder component (12), and the cylinder component (12) is used to drive the tool changing component (2) to extend and retract. Dust cleaning component (13) is fixedly connected to one end of cylinder component (12). The dust cleaning component (13) includes a scraper (133) and a brush (134). The scraper (133) is used to scrape off the powder on the power shaft, and the brush (134) is used to sweep away the scraped dust. A quick-mount plate (14) is disposed at the end of the cylinder component (12) and is used to install the tool changer (2).

2. A dual-spindle gantry machining center tool changer as defined in claim 1, characterized in that: The displacement assembly (1) also includes a robotic arm (11), which is rotatably connected to the gantry machining center. One end of the robotic arm (11) is fixedly connected to an adapter (111), and the cylinder component (12) is rotatably connected to the adapter (111). The outer end of the adapter (111) is equipped with a first servo motor (112), and the cylinder component (12) is fixedly connected to the power output end of the first servo motor (112).

3. A dual-spindle gantry machining center tool changer as defined in claim 1, characterized in that: A spindle (121) is fixedly connected to the power output end of the cylinder component (12), and the spindle (121) is used to drive the tool changing component (2) to move.

4. A dual-spindle gantry machining center tool changer as defined in claim 3, characterized in that: The dust cleaning component (13) also includes: Support rod (131), which is fixedly connected to the bottom end of cylinder component (12); A fixing ring (132) is fixedly connected to the outer end of the support rod (131). The fixing ring (132) is sleeved on the outside of the main shaft (121). The scraper (133) is installed at the bottom end of the fixing ring (132). The brush (134) is installed at the top end of the fixing ring (132).

5. The tool changing device for a dual-spindle gantry machining center according to claim 3, characterized in that: The quick-installation plate (14) includes: A special-shaped mounting plate (141) is fixedly connected to the outer end of the main shaft (121); Mounting cover (142), which is movably snapped onto the irregular mounting plate (141), is used to fix the tool changer (2) onto the irregular mounting plate (141); A fixing bolt (143) is threaded into the irregular mounting plate (141) and is used to fix the mounting cover (142) onto the irregular mounting plate (141).

6. A dual-spindle gantry machining center tool changer according to claim 5, characterized in that: The tool changing component (2) is fixedly connected to both ends with drill bit protection washers (21). The drill bit protection washers (21) are used to increase the friction between the drill bit and the tool changing component (2). The tool changing component (2) has a fixing groove (22) at its shaft center. The fixing groove (22) can be moved and snapped onto the irregular mounting plate (141).