CN205147813U - Metal parts 3D prints digit control machine tool - Google Patents

Abstract

The utility model discloses a 3D printing numerical control machine tool for metal parts, which comprises a metal frame, a main shaft and a worktable, the main shaft and the worktable are respectively connected with action driving mechanisms, and the metal frame is provided with a processing tool magazine for the main shaft to replace different tools , the tool magazine is located on the frame on the side of the main shaft, and a fuse-type metal hot-melt welding gun is also installed in the metal frame. On the frame, when the main shaft is replaced with a fuse-type metal hot-melt welding torch, welding or surfacing welding is realized through metal welding wire. When the welding or surfacing welding reaches a certain level, the main shaft is replaced with the corresponding tool for the required processing. Not only can the compound processing of metal parts be added and cut, but also use the traditional welding process, surfacing welding forming, greatly improve the production delivery time of casting parts, and compared with laser powder spraying, its welding torch equipment is common, equipped with The cost is low, and the production efficiency can be improved extremely effectively.

Description

3D printing CNC machine tool for metal parts

technical field

The utility model relates to a numerical control machine tool, in particular to a numerical control machine tool capable of realizing the combination of two processing methods of metal overlay welding and metal cutting.

Background technique

Hybrid processing is a processing process that can complete two different mechanisms on one device, such as the combination of additive manufacturing and cutting processing, electric processing and ultrasonic processing, etc. The complementary advantages of the hybrid machining process significantly improve the machinability of difficult-to-machine materials and workpieces, reduce process force and tool/tool wear, and play a positive role in the complex surface integrity of machined parts. , molds and other products have great benefits.

One of them, DMGMORI's LASERTEC653D, integrates laser surfacing technology and 5-axis milling technology to form a unique hybrid processing machine tool. LASERTEC653D is equipped with a laser for laser surfacing, and also uses a 5-axis linkage CNC milling machine for high-precision milling.

Hybrid processing machines not only have the advantages of CNC milling machines, such as high precision and high surface quality, but also the flexibility of powder surfacing technology and the advantages of fast surfacing speed. For example, for monolithic components, up to 95% of the metal needs to be removed by milling, while the additive method is used to build up welds only where needed. This results in significant savings in valuable workpiece material and lower machining costs.

However, the above-mentioned hybrid processing machine tool uses laser surfacing welding technology, which has high manufacturing and maintenance costs, and the welding speed is relatively slow, and then it has not been effectively promoted on a large scale. How to provide a more convenient and low-cost welding , compound processing machine tools, has become a major issue.

Contents of the invention

In view of the above problems, the purpose of this utility model is to provide a numerically controlled machine tool with compound processing function, good use effect, and low manufacturing cost and maintenance cost.

The technical scheme adopted in the utility model is:

A CNC machine tool, comprising a metal frame, the upper part of the metal frame is provided with a spindle for installing tools, the middle and lower part of the metal frame is provided with a workbench for placing workpieces, the spindle and the workbench are respectively connected with an action drive mechanism, and the metal The machine frame is equipped with a processing tool magazine for the main shaft to replace different tools. The replacement mechanism corresponding to the tool replacement mechanism on the main shaft is installed on the metal frame. When the main shaft is replaced with a fuse-type metal hot-melt welding gun, welding or surfacing welding can be carried out through metal welding wire. When the welding or surfacing welding reaches a certain level , the spindle is changed to the corresponding tool for the required processing.

Further, a metal hot-melt cooling device is installed on the workbench, and there is a metal hot-melt operation surface above the cooling device, which can quickly cool the surfacing metal and realize rapid processing.

Preferably, the exchange mechanism of the fuse type metal hot-melt welding torch includes a cylinder installed on the metal frame, and the front end of the push-pull rod of the cylinder is connected with a swing arm type welding torch replacement bracket installed on the frame, which is convenient for storage and deployment replace.

Preferably, the fuse-type metal hot-melt welding torch is a carbon dioxide arc welding torch or an argon shielded welding torch, which is equipped with conventional equipment.

Preferably, the metal hot melt cooling device is a water circulation cooling device.

Preferably, the workbench for placing workpieces is a five-axis cradle workbench, the metal flows down after the fuse, and the vector of the additive material is kept vertically through the five-axis cradle structure to meet the continuous downward flow Metal, to achieve multi-directional angle of surfacing increase.

The beneficial effects of the utility model are: not only can metal parts be added material and cutting compound processing, but also use the traditional welding process, surfacing welding molding, greatly improve the production delivery period of casting parts, and at the same time, it is compatible with laser powder Compared with the welding torch equipment, the equipment is common and the equipment cost is low, which can effectively improve the production efficiency.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is the reference schematic diagram of the utility model numerical control machine tool;

Fig. 2 is the structural representation inside the numerical control machine tool of the present utility model;

Fig. 3 is a schematic top view of the structure of the utility model CNC machine tool;

Fig. 4 is a schematic diagram of the working principle of the welding torch of the present invention.

detailed description

With reference to Fig. 1-Fig. 4, a kind of numerical control machine tool of the present utility model comprises frame 1, and the upper part of frame 1 is provided with the main shaft 2 that is used for installing tool, and the middle and lower part of frame 1 is provided with the workbench 3 that is used to place workpiece , the main shaft 2 and the table 3 are respectively connected with an action drive mechanism, such as a five-axis movement mechanism, because these action drive mechanisms are existing conventional structures, and will not be described one by one here.

The frame 1 is provided with a processing tool magazine 4 for the main shaft to replace different tools. The tool magazine 4 is located on the frame 1 on the side of the main shaft 2. The fuse type metal hot-melt welding torch 5 is also provided in the frame 1. The fuse Type metal hot-melt welding torch 5 is installed on the frame 1 by the changing mechanism 6 corresponding to the tool changing mechanism on the main shaft 2.

Further, a metal hot-melt cooling device 7 is installed on the workbench 3 , and a metal hot-melt operation surface 70 is located above the cooling device 7 , which can rapidly cool the surfacing metal to realize rapid processing. Preferably, the metal hot-melt cooling device 7 is a water circulation cooling device, which dissipates heat quickly and effectively prevents heat from being transferred to the A/C shaft.

Wherein, with reference to Fig. 4, described fuse type metal hot-melt welding torch 5 is a carbon dioxide arc welding torch, and it is equipped with conventional equipment, including a gun head 50, a welding wire conveying pipe 51 (for an automatic wire feeding mechanism, conveying metal welding wire 55 and carbon dioxide shielding gas) and spindle connection frame 52.

Of course, the fuse-type metal hot-melt welding gun 5 can also be an argon shielded welding gun, as long as it is fuse-type welding.

Referring to FIG. 3 , preferably, the exchange mechanism 6 of the fuse type metal hot-melt welding torch 5 includes a cylinder 60 mounted on the frame, and the front end of the push-pull rod 61 of the cylinder 60 is connected with a swing arm mounted on the frame 1 Type welding torch replacement bracket 62 is convenient for storage and expansion replacement. As shown in the figure, the swing arm type welding gun replacement bracket 62 is a dotted line, indicating that it is in the state that the welding torch is ready to be replaced and installed under the main shaft, while the swing arm type If the welding torch replacement bracket 62 is in solid line, the welding torch is in a stored state.

Preferably, the fuse type metal hot-melt welding gun 5 is installed on the inner cavity of the frame 1 by setting the exchange mechanism 6 on the other side of the tool magazine 4, so that the structure is more reasonable and compact.

When the main shaft 2 is replaced with the fuse-type metal hot-melt welding torch 5, welding or overlay welding can be carried out by the metal welding wire.

In addition, preferably, the workbench 3 for placing workpieces is a five-axis cradle workbench, the metal flows down after the fuse, and the vector of the additive material is kept vertically through the five-axis cradle structure, To meet the continuous downward flow of metal, to achieve multi-directional increase in surfacing angles.

Certainly, the above-mentioned embodiments are not the only limitation to the present utility model, and other equivalent technical solutions should also be within the protection scope of the present invention.

Claims (8)

1. A metal part 3D printing numerical control machine tool is characterized in that: it comprises a metal frame, the upper part of the metal frame is provided with a main shaft for installing a cutter, and the middle and lower part of the metal frame is provided with a workbench for placing workpieces, the main shaft and The worktables are respectively connected with action drive mechanisms, and the metal frame is equipped with a processing tool magazine for the main shaft to replace different tools. , the fuse-type metal hot-melt welding torch is installed on the metal frame through a replacement mechanism corresponding to the tool replacement mechanism on the main shaft. , when welding or surfacing to a certain extent, the spindle is replaced with the corresponding tool for the required processing. 2. A CNC machine tool for 3D printing of metal parts according to claim 1, characterized in that: a metal hot-melt cooling device is installed on the workbench, and a metal hot-melt operation surface is arranged above the cooling device. 3. A CNC machine tool for 3D printing of metal parts according to claim 1, characterized in that: the replacement mechanism of the fuse type metal hot-melt welding torch includes a cylinder installed on the frame, and the front end of the push-pull rod of the cylinder is connected to There are swing arm torch change stands mounted on a metal frame. 4. A CNC machine tool for 3D printing of metal parts according to claim 1, characterized in that: said fuse-type metal hot-melt welding torch is a carbon dioxide arc welding torch or an argon shielded welding torch. 5. A CNC machine tool for 3D printing of metal parts according to claim 2, characterized in that: said metal hot-melt cooling device is a water circulation cooling device. 6. A CNC machine tool for 3D printing of metal parts according to claim 2, characterized in that: the fuse type metal hot-melt welding gun is installed in the inner cavity of the metal frame by setting an exchange mechanism on the other side of the tool magazine superior. 7. A CNC machine tool for 3D printing of metal parts according to any one of claims 1, characterized in that: said fuse-type metal hot-melt welding gun includes an automatic wire feeding mechanism. 8. A CNC machine tool for 3D printing of metal parts according to any one of claims 1-7, characterized in that: the workbench for placing workpieces is a five-axis cradle workbench.