A tool changer for a machining center

By designing a tool changing device in the machining center, and utilizing a motor-driven stirring roller and an automated cleaning system, the problem of chip and liquid adhesion on the tool surface was solved, improving tool changing efficiency and cleaning effect.

CN224310157UActive Publication Date: 2026-06-02SUZHOU OUFULING MASCH TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU OUFULING MASCH TECH CO LTD
Filing Date
2025-07-16
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The tool surfaces of existing machining centers are prone to sticking with machining debris and liquid after tool changes. If not cleaned in time, this will have an adverse effect on the tools.

Method used

A tool changing device for a machining center was designed, comprising a tool changing box, a tool washing frame, and a motor-driven stirring roller. The tool is transferred to the tool changing box by a robotic arm, the tool is cleaned with cleaning fluid, and the dirt is discharged through a drain pipe. The cleaning fluid is replenished by a water pump to achieve automated cleaning.

Benefits of technology

This enables timely cleaning of the cutting tools, improves tool changing efficiency, and avoids the adverse effects of debris and liquid on the tool surface.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224310157U_ABST
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Abstract

This utility model discloses a tool changing device for a machining center, relating to the field of machining center technology. The tool changing device includes a tool changing box and a cutting tool, the cutting tool being installed inside the tool changing box. It also includes a tool changing holder installed inside the tool changing box, with the cutting tool movably engaged on one side of the holder. A tool cleaning frame is provided inside the tool changing box, with an open upper end. A connecting frame is provided outside the cleaning frame, and the cleaning frame is fixed inside the tool changing box via the connecting frame. A stirring rod is provided at the bottom of the cleaning frame. A motor drives the cleaning frame to rise, allowing the cutting head at the bottom of the cutting tool to extend into the cleaning frame. Then, the motor drives the stirring rod inside the cleaning frame to rotate. At this time, cleaning fluid is poured into the cleaning frame, and the stirring rod drives the cleaning fluid to rotate, thereby cleaning the cutting head.
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Description

Technical Field

[0001] This utility model relates to the field of machining center technology, specifically to a tool changing device for machining centers. Background Technology

[0002] A machining center is a highly automated, multi-functional CNC machine tool. It represents a significant development and upgrade of CNC milling machines. Its core feature lies in its automatic tool changer and tool magazine system, allowing multiple machining operations to be completed on a single machine tool by changing different cutting tools.

[0003] After tool changing, the tool surface of the tool magazine in the existing machining center will have residual machining debris and liquid adhering to it. If the tool surface is not cleaned in time, the debris and liquid will have an adverse effect on the tool surface. Utility Model Content

[0004] The purpose of this invention is to provide a tool changing device for machining centers, in order to solve the problem mentioned in the background art that residual machining debris and liquid adhere to the tool surface, and if the tool surface is not cleaned in time, the debris and liquid will have an adverse effect on the tool surface.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a tool changing device for a machining center, comprising a tool changing box and a tool, wherein the tool is installed inside the tool changing box;

[0006] Also includes:

[0007] A tool changer is installed inside the tool changer box, with the tool movably engaged on one side of the tool changer. The tool changer box contains a tool washing frame, the upper end of which is open. A connecting frame is installed outside the tool washing frame, and the tool washing frame is fixed inside the tool changer box via the connecting frame. A stirring rod is installed at the bottom of the inside of the tool washing frame. A second motor is installed at the bottom of the tool washing frame and connected to the stirring rod via a rotating shaft. A first motor is installed at the top of the tool changer box and connected to the tool changer via a rotating rod.

[0008] Preferably, an electric push rod is provided at the bottom of the inside of the blade changing box, and the electric push rod is located below the blade washing frame. The upper end of the electric push rod is connected to a telescopic rod, and the upper end of the telescopic rod is connected to the bottom of the connecting frame.

[0009] Preferably, a drain pipe is connected to one side of the surface of the blade washing frame, the drain pipe communicates with the inside of the blade washing frame, and the other end of the drain pipe extends out of the bottom of the blade changing box. The other end of the drain pipe is connected to a valve, and the valve is located at the bottom of the blade changing box.

[0010] Preferably, a water tank is installed at the bottom of the blade changing box, and a water inlet pipe is connected to the other side of the blade washing frame. The water inlet pipe communicates with the inside of the blade washing frame, and the other end of the water inlet pipe is connected to the water pump inside the water tank.

[0011] Preferably, the tool changer consists of a round shaft, a support member, and a fixed frame. The first motor is connected and fixed to the round shaft via a rotating rod. Several fixed frames are arranged in a circular array on the outer wall surface of the round shaft. The upper end of the fixed frame is connected to the round shaft via the support member, and the tool is engaged in the circular groove on the front end surface of the fixed frame.

[0012] Preferably, the connecting frame consists of side frame connecting rods and a base frame. Two sets of side frames are provided and symmetrically arranged on both sides of the knife washing frame. The base frame is located at the bottom of the knife washing frame. The side frames are connected to the base frame through connecting rods, and the upper end of the telescopic rod is connected to the bottom of the base frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) By setting up a tool changing box, the tool changing rack is installed inside the tool changing box, and a tool washing frame is set inside the tool changing box. The tool is transferred to the tool changing box by an external robotic arm and installed on the tool changing rack. After the tool is changed, the tool is located above the tool washing frame. Then, the tool washing frame is lifted by a motor, so that the blade tip at the bottom of the tool extends into the inside of the tool washing frame. Then, the stirring rod inside the tool washing frame is rotated by a motor. At this time, the inside of the tool washing frame is filled with cleaning liquid. The stirring rod drives the cleaning liquid to rotate, thereby cleaning the blade tip. Setting the tool washing frame at the tool changing position can clean the replaced blade tip as soon as possible, which can improve efficiency.

[0015] (2) By setting a water tank inside the tool changing box and setting a drain pipe and a water inlet pipe on both sides of the tool washing frame, the tool washing frame cleans the tools and then opens the valve to allow the cleaning liquid containing dirt and debris to be discharged through the drain pipe. Then, the clean cleaning liquid inside the water tank is pumped through the water inlet pipe to the inside of the tool washing frame, thereby continuously adding water to the inside of the tool washing frame. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a cross-sectional schematic diagram of the tool changer box of this utility model;

[0018] Figure 3 This is a top view of the knife-washing frame of this utility model;

[0019] Figure 4 This is an enlarged view of the structure at point A of this utility model;

[0020] In the diagram: 1. Blade changing box; 2. First motor; 3. Blade washing frame; 4. Stirring rod; 5. Connecting frame; 6. Electric push rod; 7. Telescopic rod; 8. Drain pipe; 9. Water inlet pipe; 10. Water tank; 11. Second motor; 12. Valve; 13. Blade changing holder; 14. Blade; 15. Connecting rod; 16. Side frame; 17. Base frame; 18. Round shaft; 19. Support component; 20. Fixing frame. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] This invention provides a tool changing device for a machining center. The device includes a tool changing box 1 and a tool 14, with the tool 14 installed inside the tool changing box 1. This invention primarily addresses the problem that residual machining debris and liquid adhere to the tool surface, and if the tool surface is not cleaned promptly, these debris and liquid will adversely affect the tool surface.

[0023] For the device provided by this utility model, please refer to Figure 1-4 The following is a detailed introduction.

[0024] The blade changer 13 is installed inside the blade changer box 1, and the blade 14 is movably engaged on one side of the blade changer 13. The blade changer box 1 is equipped with a blade washing frame 3, and the upper end of the blade washing frame 3 is open. The blade washing frame 3 is equipped with a connecting frame 5 on the outside, and the blade washing frame 3 is fixed inside the blade changer box 1 through the connecting frame 5. The bottom of the blade washing frame 3 is equipped with a stirring rod 4. The bottom of the blade washing frame 3 is equipped with a second motor 11, and the second motor 11 is connected to the stirring rod 4 through a rotating shaft. The upper end of the blade changer box 1 is equipped with a first motor 2, and the first motor 2 is connected to the blade changer 13 through a rotating rod. The bottom of the blade changer box 1 is equipped with an electric push rod 6, and the electric push rod 6 is located below the blade washing frame 3. The upper end of the electric push rod 6 is connected to a telescopic rod 7, and the upper end of the telescopic rod 7 is connected to the bottom of the connecting frame 5.

[0025] Please see Figure 4 To further explain, a drain pipe 8 is connected to one side of the surface of the blade washing frame 3. The drain pipe 8 communicates with the inside of the blade washing frame 3, and the other end of the drain pipe 8 extends out of the bottom of the blade changing box 1. The other end of the drain pipe 8 is connected to a valve 12, and the valve 12 is located at the bottom of the blade changing box 1. A water tank 10 is installed at the bottom of the inside of the blade changing box 1. A water inlet pipe 9 is connected to the other side of the surface of the blade washing frame 3. The water inlet pipe 9 communicates with the inside of the blade washing frame 3, and the other end of the water inlet pipe 9 is connected to the water pump inside the water tank 10.

[0026] Please see Figure 2 To further explain, the tool changer 13 consists of a round shaft 18, a support member 19, and a fixed frame 20. The first motor 2 is connected and fixed to the round shaft 18 through a rotating rod. The fixed frame 20 is provided with several parts arranged in a circular array on the outer wall surface of the round shaft 18. The upper end of the fixed frame 20 is connected to the round shaft 18 through the support member 19, and the tool 14 is engaged in the circular groove on the front end surface of the fixed frame 20.

[0027] Please see Figure 4 To further explain, the connecting frame 5 consists of a side frame 16, a connecting rod 15, and a base frame 17. Two sets of side frames 16 are symmetrically arranged on both sides of the tool washing frame 3. The base frame 17 is located at the bottom of the tool washing frame 3. The side frames 16 are connected to the base frame 17 through the connecting rod 15, and the upper end of the telescopic rod 7 is connected to the bottom of the base frame 17 to lift the tool washing frame 3 so that the tool washing frame 3 is located at the bottom of the tool. The connecting frame 5 is driven to rise by the electric push rod 6 to lift the milling cutter frame 3 so that the cutter head extends into the interior of the tool washing frame 3.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A tool changing device for a machining center, comprising a tool changing box (1) and a cutting tool (14), wherein the cutting tool (14) is installed inside the tool changing box (1); Its features are: Also includes: A tool changer (13) is installed inside the tool changer box (1), and the tool (14) is movably engaged on one side of the tool changer (13). The tool changer box (1) is equipped with a tool washing frame (3), and the upper end of the tool washing frame (3) is open. A connecting frame (5) is provided on the outside of the tool washing frame (3), and the tool washing frame (3) is fixed inside the tool changer box (1) through the connecting frame (5). A stirring rod (4) is provided at the bottom of the inside of the tool washing frame (3). A second motor (11) is provided at the bottom of the tool washing frame (3), and the second motor (11) is connected to the stirring rod (4) through a rotating shaft. A first motor (2) is provided at the upper end of the tool changer box (1), and the first motor (2) is connected to the tool changer (13) through a rotating rod.

2. The tool changing device for a machining center according to claim 1, characterized in that: An electric push rod (6) is provided at the bottom of the inside of the tool changer box (1), and the electric push rod (6) is located below the tool washing frame (3). The upper end of the electric push rod (6) is connected to a telescopic rod (7), and the upper end of the telescopic rod (7) is connected to the bottom of the connecting frame (5).

3. The tool changing device for a machining center according to claim 1, characterized in that: A drain pipe (8) is connected to one side of the surface of the blade washing frame (3). The drain pipe (8) communicates with the inside of the blade washing frame (3), and the other end of the drain pipe (8) extends out of the bottom of the blade changing box (1). The other end of the drain pipe (8) is connected to a valve (12), and the valve (12) is located at the bottom of the blade changing box (1).

4. The tool changing device for a machining center according to claim 1, characterized in that: A water tank (10) is installed at the bottom of the blade changing box (1). A water inlet pipe (9) is connected to the other side of the surface of the blade washing frame (3). The water inlet pipe (9) is connected to the inside of the blade washing frame (3), and the other end of the water inlet pipe (9) is connected to the water pump inside the water tank (10).

5. A tool changing device for a machining center according to claim 1, characterized in that: The tool changer (13) consists of a round shaft (18), a support member (19) and a fixed frame (20). The first motor (2) is connected and fixed to the round shaft (18) through a rotating rod. The fixed frame (20) is provided with several parts arranged in a ring array on the outer wall surface of the round shaft (18). The upper end of the fixed frame (20) is connected to the round shaft (18) through the support member (19), and the tool (14) is engaged in the circular groove on the front end surface of the fixed frame (20).

6. The tool changing device for a machining center according to claim 1, characterized in that: The connecting frame (5) consists of a side frame (16), a connecting rod (15), and a base frame (17). The side frame (16) is provided in two sets and is symmetrically arranged on both sides of the knife washing frame (3). The base frame (17) is located at the bottom of the knife washing frame (3). The side frame (16) is connected to the base frame (17) through the connecting rod (15), and the upper end of the telescopic rod (7) is connected to the bottom of the base frame (17).