Numerical control milling machine for machine tool parts

By incorporating a liquid cooling component and a convenient replacement design, the problems of reduced precision and inconvenient replacement caused by high-temperature cutting tools have been solved. This enables high-precision cutting of machine tool parts on CNC milling machines and convenient cutting tool replacement, thus improving the user experience.

CN223903523UActive Publication Date: 2026-02-13QUZHOU XINXIN PRECISION MACHINERY CO LTD
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Patent Information

Application Number
CN202520419660.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-13
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing CNC milling machines suffer from reduced precision and inconvenient tool replacement when the cutting head generates high temperatures due to high-speed friction, affecting machining accuracy and user experience.

Method used

The device employs a liquid cooling assembly and a conveniently replaceable limiting assembly. The liquid cooling assembly cools the cutter head, while the transmission hose and cooling water ring enhance the cooling effect. The cutter head can be easily replaced by installing a compression ring and a pin design.

Benefits of technology

It improves the cutting accuracy and ease of replacement of the cutter head, ensuring the stability of the processing and the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of machine tool part numerical control, and discloses a machine tool part numerical control milling machine which comprises a supporting workbench used for bottom supporting, the top end of the supporting workbench is fixedly connected with an upper side installation frame, a sliding rail is installed at the bottom end of the upper side installation frame, and the lower side of the sliding rail is fixedly connected with an installation frame. A driving motor is fixedly connected to the interior of the mounting frame, a drill rod is fixedly connected to the output end of the driving motor, a collecting water tank is fixedly connected to the bottom end of the supporting workbench, a placing seat is fixedly connected to the middle of the top end of the collecting water tank, and a water storage tank is fixedly connected to the right side of the top end of the supporting workbench; and a liquid cooling assembly is mounted outside the water storage tank. According to the device, the cooling effect of the device on the drill bit is improved, the cutting precision of the device is guaranteed, the convenience of replacing the tool bit by the device is improved, and the use experience of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool spare numerical control field especially, a kind of machine tool spare numerical control milling machine. BACKGROUND

[0002] Machine tool spare numerical control milling machine is a kind of numerical control (CNC) milling equipment specially used for processing machine tool parts, which realizes high-precision milling of metal or other hard materials by computer program control multi-axis linkage movement of spindle, tool and worktable.

[0003] In the work of cutting of the rotating tool head, the outside of the tool head will generate high temperature due to high-speed friction, which will cause the tool head to soften to some extent, which will reduce the precision of the device cutting, and the tool head will be worn out for long time use, and the tool head needs to be replaced, but the tool head is extremely inconvenient to replace, and the use experience is poor. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art, and provides a kind of machine tool spare numerical control milling machine, guarantee the precision of the device cutting and improve the convenience of the device to replace tool head.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of machine tool spare numerical control milling machine, comprising:

[0007] Supporting workbench for bottom support, the top of the supporting workbench is fixedly connected with upper mounting bracket, the bottom of the upper mounting bracket is provided with sliding rail, the lower side of the sliding rail is fixedly connected with mounting frame, the inside of the mounting frame is fixedly connected with driving motor, the output end of the driving motor is fixedly connected with drill rod, the bottom of the supporting workbench is fixedly connected with collection water tank, the top of the collection water tank is fixedly connected with placing seat, the top right side of the supporting workbench is fixedly connected with water storage tank, the outside of the water storage tank is provided with liquid cooling assembly, the bottom of the mounting frame is provided with tool head cooling assembly, to guarantee the precision of tool head cutting;

[0008] Cutting drill for bottom punching of drill rod, the outside of the drill rod is connected with the middle slot of cutting drill through limiting assembly, to realize the convenience of tool head replacement.

[0009] Further, the limiting assembly includes fixed arc plate that is turned over on both sides of the outer slot of drill rod, the outside slot of the fixed arc plate is fixedly connected with outer push spring, the outside of the drill rod is nested with installation extrusion ring, the inside of the installation extrusion ring is screw-connected on the outside of fixed arc plate, the inside of the fixed arc plate is inserted with bayonet post, and the inside of the bayonet post is nested in the slot on both sides of cutting drill.

[0010] Further, the liquid cooling assembly comprises an air pump located at the front side of the top end of the water storage tank, and the output end of the air pump is fixedly connected with a gas conveying pipe, the inner side of the gas conveying pipe penetrates the inner wall of the water storage tank and is fixedly connected with an aeration pipe.

[0011] Further, the knife head cooling assembly comprises a plurality of pulling rods located at the bottom end of the mounting frame, the bottom end of each pulling rod is fixedly connected with a cooling water ring, the bottom end of the cooling water ring is fixedly connected with a cooling water pipe, the right side of the cooling water ring is fixedly connected with a conveying hose, the top end of the water storage tank is fixedly connected with a delivery pipe, the right side of the conveying hose is fixedly connected to the inner side of the delivery pipe, and the top end of the water storage tank located outside the delivery pipe is fixedly connected with a second water pump.

[0012] Further, the outer side of the gas conveying pipe is fixedly connected with a one-way valve.

[0013] Further, the right side of the collecting water tank is fixedly connected with a water conveying pipe, the top end of the water conveying pipe penetrates the top end of the supporting workbench and is fixedly connected to the bottom end of the water storage tank, and the right side of the collecting water tank located outside the water conveying pipe is fixedly connected with a first water pump.

[0014] Further, the outer side of each fixed circular arc plate is fixedly connected with a blocking arc piece to realize the mounting and fixing of the mounting extrusion ring.

[0015] The utility model has the following beneficial effects:

[0016] 1、in the utility model, the water flow in the water storage tank is transmitted to the inside of the conveying hose through the delivery pipe, and is transmitted to the inside of the cooling water ring through the conveying hose, and the surface of the drill bit is sprayed through the plurality of cooling water pipes at the bottom, thereby improving the cooling effect of the device on the drill bit and ensuring the cutting precision of the device.

[0017] 2、in the utility model, the mounting extrusion ring moves to the upper side through rotation, so that the inner side of the mounting extrusion ring is separated from the outer side of the bolt column, the bolt column is pushed out to the outer side by the pushing force of the external push spring, thereby being taken out, the convenience of replacing the knife head of the device is improved, and the use experience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 An overall view of the machine tool piece numerical control milling machine is provided for the utility model;

[0019] Figure 2 An internal view of the water storage tank of the machine tool piece numerical control milling machine is provided for the utility model;

[0020] Figure 3 A lower side view of the drill rod of the machine tool piece numerical control milling machine is provided for the utility model;

[0021] Figure 4 The utility model provides a fixed arc plate inside graph of machine tool piece numerical control milling machine.

[0022] Legend:

[0023] 1, support workbench, 2, upside mount frame, 3, cooling water ring, 4, block arc piece, 5, drive motor, 6, cutting drill bit, 7, install frame, 8, pull rod, 9, drill rod, 10, transmission hose, 11, air pump, 12, water storage tank, 13, gas pipe, 14, check valve, 15, water pipe, 16, first water pump, 17, place seat, 18, collect water tank, 19, aeration pipe, 20, delivery pipe, 21, second water pump, 22, cooling water pipe, 23, bolt post, 24, fixed arc plate, 25, install extrusion ring, 26, outer push spring. Specific embodiments

[0024] 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, rather than 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.

[0025] Reference Figure 1 and Figure 2The utility model provides an embodiment: a machine tool spare numerical control milling machine, include: for bottom support's support workstation 1, support workstation 1's top fixedly connected with upside mounting bracket 2, upside mounting bracket 2's bottom is installed with slide rail, this slide rail's downside fixedly connected with installation frame 7, installation frame 7's inside fixedly connected with drive motor 5, drive motor 5's output fixedly connected with drill rod 9, support workstation 1's bottom fixedly connected with collection water tank 18, collection water tank 18's top middle part fixedly connected with placing seat 17, support workstation 1's top right side fixedly connected with water storage tank 12, water storage tank 12's outside installation has liquid cooling assembly, installation frame 7's bottom is installed with tool holder cooling assembly, to be used for guaranteeing the precision of tool holder cutting, liquid cooling assembly includes the air pump 11 of being located at water storage tank 12 top end front side, air pump 11's output fixedly connected with gas delivery pipe 13, gas delivery pipe 13's inside passes through the inner wall of water storage tank 12 and is fixedly connected with aeration pipe 19, tool holder cooling assembly includes the multiple pull rods 8 of being located at installation frame 7 bottom, pull rod 8's bottom fixedly connected with cooling water ring 3, cooling water ring 3's bottom encircles fixedly connected with cooling water pipe 22, cooling water ring 3's right side fixedly connected with transmission hose 10, water storage tank 12's top middle part fixedly connected with transmission pipe 20, transmission hose 10's right side is fixedly connected in transmission pipe 20's inside, water storage tank 12's top end is fixedly connected with second water pump 21 at transmission pipe 20's outside, gas delivery pipe 13's outside fixedly connected with nonreturn valve 14, collection water tank 18's right side fixedly connected with water delivery pipe 15, water delivery pipe 15's top end passes through support workstation 1's top end and is fixedly connected in water storage tank 12's bottom, collection water tank 18's right side is fixedly connected with first water pump 16 at water delivery pipe 15's outside,

[0026] Place the raw material to be processed on the placing seat 17, start the drive motor 5 to drive the drill rod 9 to rotate, cut the raw material, at the same time, the drill rod 9 moves through the top slide rail to realize accurate processing, start the second water pump 21, the water in the water storage tank 12 is led out through the transmission pipe 20, is transported to the cooling water ring 3 through the transmission hose 10, after the water flow is distributed in the cooling water ring 3, is sprayed downward through the multiple cooling water pipes 22 below, directly cools the tool holder, avoids the precision deviation caused by high temperature, the cooled water flow flows into the collection water tank 18, is pumped back into the water storage tank 12 by the first water pump 16 for recycling, at the same time, start the air pump 11 to quickly input the external air into the gas delivery pipe 13, and is discharged outward through the aeration pipe 19, accelerates the cooling effect of the water flow, further improves the cooling performance of the device on the drill bit, ensures the precision and stability in the cutting process.

[0027] Refer to Figure 3 And Figure 4The utility model provides a cutting drill bit 6 for the bottom end punching of drill rod 9, the outside of drill rod 9 is connected with the middle slot of cutting drill bit 6 through limiting assembly for the convenience of realizing tool bit replacement, limiting assembly includes the fixed circular arc plate 24 of turning over at both sides of the outside slot of drill rod 9, the outside slot of fixed circular arc plate 24 is fixedly connected with the outer push spring 26, the outside of drill rod 9 is nested with installation extrusion ring 25, the inside screw thread of installation extrusion ring 25 is connected in the outside of fixed circular arc plate 24, the inside of fixed circular arc plate 24 is inserted with the bayonet pin 23, and the inside of bayonet pin 23 is nested in the both sides slot of cutting drill bit 6, and the outside of fixed circular arc plate 24 is fixedly connected with the blocking arc piece 4 for realizing the installation and fixation of installation extrusion ring 25,

[0028] When the tool bit is excessively worn, rotate the installation extrusion ring 25, the inside screw thread of which is engaged with the outside screw thread of the fixed circular arc plate 24, so that the installation extrusion ring 25 moves upward, when the installation extrusion ring 25 is disengaged from the bayonet pin 23, the outer push spring 26 pushes the bayonet pin 23 outward, so that the bayonet pin 23 is easily taken out, at this time, the cutting drill bit 6 can be pulled out downward to complete disassembly, which significantly improves the convenience of tool bit replacement and optimizes the use experience of the device.

[0029] Working principle: place the raw material to be processed on the top end of the seat 17, start the driving motor 5 to rotate the drill rod 9, cut the raw material, and move through the top slide rail, start the second water pump 21, draw the water in the water storage tank 12 to the outside through the delivery pipe 20, flow into the inside of the cooling water ring 3 through the transmission hose 10, the water flow is sprayed downward in the inside of the cooling water ring 3 through the multiple cooling water pipes 22 on the lower side, so as to cool the tool bit and avoid precision change caused by high temperature, the water flow flows into the inside of the collection water tank 18 and is then drawn to the inside of the water storage tank 12 through the first water pump 16, start the air pump 11 to quickly draw the external air into the inside of the gas delivery pipe 13 and directly into the inside of the aeration pipe 19, and exhaust to the outside, so as to cool the water flow, when the tool bit is excessively worn, rotate the installation extrusion ring 25, the inside screw thread of the installation extrusion ring 25 contacts the outside of the fixed circular arc plate 24, so that the installation extrusion ring 25 moves upward, when the installation extrusion ring 25 is disengaged from the outside of the bayonet pin 23, the outer push spring 26 generates outward pushing force on the bayonet pin 23, so that the bayonet pin 23 is easily taken out, at this time, the cutting drill bit 6 is pulled out downward to complete disassembly of the cutting drill bit 6.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A machine tool piece NC milling machine, characterized by, Include: The support workbench (1) for bottom support, the top end of the support workbench (1) is fixedly connected with the upper mounting frame (2), the bottom end of the upper mounting frame (2) is provided with a slide rail, the lower side of the slide rail is fixedly connected with the mounting frame (7), the inside of the mounting frame (7) is fixedly connected with the driving motor (5), the output end of the driving motor (5) is fixedly connected with the drill rod (9), the bottom end of the support workbench (1) is fixedly connected with the collecting water tank (18), the top end of the collecting water tank (18) is fixedly connected with the placing seat (17), the top end of the support workbench (1) is fixedly connected with the water storage tank (12), the outside of the water storage tank (12) is provided with a liquid cooling assembly, the bottom of the mounting frame (7) is provided with a tool bit cooling assembly, so as to ensure the cutting precision of the tool bit; The cutting drill bit (6) for the bottom of the drill rod (9) is punched, the outside of the drill rod (9) is connected with the middle slot of the cutting drill bit (6) through the limiting assembly, so as to realize the convenience of tool bit replacement.

2. The numerically controlled milling machine according to claim 1, wherein: The limiting assembly includes the fixed circular arc plate (24) which is turned over on both sides of the outer slot of the drill rod (9), the outside slot of the fixed circular arc plate (24) is fixedly connected with the outer push spring (26), the outside of the drill rod (9) is nested with the mounting extrusion ring (25), the inside of the mounting extrusion ring (25) is threadedly connected with the outside of the fixed circular arc plate (24), the inside of the fixed circular arc plate (24) is inserted with the bayonet column (23), and the inside of the bayonet column (23) is nested in the slot on both sides of the cutting drill bit (6).

3. The numerically controlled milling machine according to claim 1, wherein: The liquid cooling assembly includes the air pump (11) located at the top end of the front side of the water storage tank (12), the output end of the air pump (11) is fixedly connected with the gas conveying pipe (13), the inside of the gas conveying pipe (13) penetrates the inner wall of the water storage tank (12) and is fixedly connected with the aeration pipe (19).

4. The numerically controlled milling machine according to claim 1, wherein: The tool bit cooling assembly includes a plurality of pull rods (8) located at the bottom end of the mounting frame (7), the bottom end of the pull rod (8) is fixedly connected with the cooling water ring (3), the bottom end of the cooling water ring (3) is fixedly connected with the cooling water pipe (22), the right side of the cooling water ring (3) is fixedly connected with the transmission hose (10), the top end of the water storage tank (12) is fixedly connected with the transmission pipe (20), the right side of the transmission hose (10) is fixedly connected with the inside of the transmission pipe (20), and the top end of the water storage tank (12) is fixedly connected with the second water pump (21) outside the transmission pipe (20).

5. The numerically controlled milling machine according to claim 3, wherein: The outside of the gas conveying pipe (13) is fixedly connected with the one-way valve (14).

6. The numerically controlled milling machine defined in claim 1, wherein: The right side of the collecting water tank (18) is fixedly connected with the water conveying pipe (15), the top end of the water conveying pipe (15) penetrates the top end of the support workbench (1) and is fixedly connected with the bottom end of the water storage tank (12), and the right side of the collecting water tank (18) is fixedly connected with the first water pump (16) outside the water conveying pipe (15).

7. The numerically controlled milling machine defined in claim 2, wherein: The outside of the fixed circular arc plate (24) is fixedly connected with the blocking arc piece (4), so as to realize the mounting and fixing of the mounting extrusion ring (25).