CN210139240U - Numerical control machine tool - Google Patents

Abstract

A numerical control machine tool relates to the technical field of workpiece processing, solves the problems of low processing efficiency and chip removal in the prior art, and comprises an operating room, a first workpiece clamping and rotating mechanism, a tool magazine, a second workpiece clamping and rotating mechanism, a first left-right moving mechanism, a first up-down moving mechanism, a first front-back moving mechanism, a first rotary tool apron, a tool and a vent; a plurality of scrap blowing mechanisms are arranged on the rear side wall plate of the operation chamber, and the scrap blowing mechanisms are sequentially arranged along the lower edge of the rear side wall plate and used for blowing the scraps on the position, corresponding to the bottom plate, of the first up-down moving mechanism to the middle part of the bottom plate; an intelligent iron scrap dust collector is arranged on a bottom plate of the operating chamber, and a left-right, front-back and up-down moving mechanism and a second rotary tool apron are arranged on a top plate of the operating chamber; and the first rotating tool apron and the second rotating tool apron are respectively provided with a second blower for blowing and spraying the waste scraps on the workpiece. The utility model discloses a problem that the sweeps influences processing has been solved with blowing bits mechanism to two hair-dryers. The finish machining efficiency is improved by the two cutter operating mechanisms.

Description

Numerical control machine tool

Technical Field

The utility model relates to a numerical control work piece processing technology field, concretely relates to numerical control machine tool.

Background

Two types of fine machining in a numerical control machine tool are commonly used, one is that a multi-tool bit surrounds a machined workpiece, and the other is that a single-tool bit replaces a cutter. The multi-cutter head has large limitation on the workpiece, is only suitable for parts with smaller volume, and is a single-cutter head numerical control machine tool with replaceable cutter heads for parts with larger volume. The numerical control machine tool for the parts with larger volume can be finely processed, but the problems that the processing efficiency is not high enough and the processing is influenced by processing scraps still exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that current digit control machine tool machining efficiency is high inadequately and sweeps influence processing, the utility model provides a digit control machine tool.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

the numerical control machine tool comprises an operation chamber, wherein a split door is arranged on the front side of the operation chamber, a first workpiece clamping and rotating mechanism and a tool magazine for storing tools are arranged on a left side wall plate of the operation chamber, a tool replacing device is arranged in the tool magazine, a second workpiece clamping and rotating mechanism is arranged on a right side wall plate of the operation chamber, a first left-right moving mechanism which is nested is arranged on a rear side wall plate of the operation chamber, the first left-right moving mechanism is provided with a first up-down moving mechanism, the first left-right moving mechanism and the first up-down moving mechanism slide along the bottom plate of the operation chamber when moving left and right, the first up-down moving mechanism is provided with a first up-down moving mechanism, the first front-back moving mechanism is provided with a first rotary tool apron, a tool is detachably mounted on the first rotary tool apron, and the first rotary tool apron can move to a tool magazine and replace the tool through a tool replacing device;

the scrap blowing mechanism is sequentially arranged along the lower edge of the rear side wall plate and comprises a detector and a first blower, when the front part of the detector is not shielded by the first up-down moving mechanism, the first blower blows a bottom plate of the operation chamber, and the first blower is used for blowing the scraps on the position, corresponding to the left-right moving mechanism and the first up-down moving mechanism, of the bottom plate to the middle part of the bottom plate;

the bottom plate of the operation chamber is provided with an intelligent iron scrap dust collector for cleaning dust and scraps falling on the bottom plate;

a second left-right moving mechanism is arranged on a top plate of the operating room, a second front-back moving mechanism is arranged on the second left-right moving mechanism, a second up-down moving mechanism is arranged on the second front-back moving mechanism, a second rotary tool apron is arranged on the second up-down moving mechanism, and a tool is detachably arranged on the second rotary tool apron; the second rotary tool apron can move to the tool magazine and change tools through the tool changing device;

second blowers are arranged on the first rotating tool apron and the second rotating tool apron and used for blowing and spraying scraps on the workpiece;

and a ventilation opening is formed in the right side wall plate of the operation chamber.

Furthermore, the first left-right moving mechanism comprises a plurality of sequentially nested and sequentially slidably connected supporting plates, the supporting plate positioned on the outermost side is connected with the rear side wall plate of the operating room, and the right side of the supporting plate positioned on the innermost side is connected with the first up-down moving mechanism.

Furthermore, a second blower bearing support is welded on the outer surface of the first rotating cutter seat and the outer surface of the second rotating cutter seat, and the second blower is placed in the bearing support.

Furthermore, the first blower is embedded in the rear side wall plate, the blowing port of the first blower is positioned in the operating room, and the ventilation part of the first blower is communicated with the outside of the operating room.

Further, the detector is positioned right above the corresponding first blower.

Furthermore, the second blower is connected with a control device of the numerical control machine tool.

Furthermore, the detector and the first blower are both connected with a control device of the numerical control machine tool.

Furthermore, blow bits mechanism still includes the micro-control chip, the micro-control chip is connected detector and first blower, the detector sends detected signal to the micro-control chip, and the micro-control chip analysis processes detected signal and whether the first blower that the control detector corresponds works.

The utility model has the advantages that:

1. the first blower ensures the smooth movement and the service life of the first left-right moving mechanism and the first up-down moving mechanism, reduces the possibility of damage of the first left-right moving mechanism and the first up-down moving mechanism, and ensures the left-right moving efficiency of the first left-right moving mechanism and the first up-down moving mechanism; the intelligent iron scrap dust collector is matched with the first air blower, so that the problem that the intelligent iron scrap dust collector is poor in capability of cleaning corners is solved, and the intelligent iron scrap dust collector sucks away generated iron scrap. And the scraps on the workpiece are blown and sprayed by the second blower, so that the machining precision of the workpiece is ensured, and the damage of the cutter is avoided. The problem of sweeps influence processing is solved.

2. Through the first left-right moving mechanism, the first up-down moving mechanism, the first front-back moving mechanism, the first rotary tool apron, the second left-right moving mechanism, the second front-back moving mechanism, the second up-down moving mechanism, the second rotary tool apron and the tool magazine, the problems of time waste, long processing time and low efficiency of the operation of one tool apron in the prior art are solved, two tools can be processed simultaneously, another tool can be processed by one tool, the continuous and uninterrupted fine processing of a workpiece is guaranteed, and the working efficiency is improved.

Drawings

Figure 1 is the utility model discloses a schematic diagram of the left side wallboard of digit control machine tool.

Figure 2 is the utility model discloses a schematic diagram of the right side wallboard of digit control machine tool.

Figure 3 is the utility model discloses a schematic diagram of rear side wall board of digit control machine tool.

Figure 4 is the utility model discloses a rear side wall panel's of digit control machine tool stereogram.

Fig. 5 is a schematic view of a top plate of the numerical control machine tool of the present invention.

Fig. 6 is a schematic structural view of the support of the numerical control machine tool of the present invention.

Fig. 7 is a schematic view of the bearing support and the second blower of the numerical control machine tool according to the present invention.

Fig. 8 is a schematic diagram of the blowing and showering position of the scrap blowing mechanism of the numerical control machine tool of the present invention.

In the figure: 1. the device comprises a left side wall plate, 1.1, a first workpiece clamping and rotating mechanism, 1.2, a cutter library, 2, a right side wall plate, 2.1, a second workpiece clamping and rotating mechanism, 2.2, a ventilation opening, 3, a rear side wall plate, 3.1, a first left-right moving mechanism, 3.2, a first up-down moving mechanism, 3.3, a first front-back moving mechanism, 3.4, a first rotary cutter holder, 4, a top plate, 4.1, a second left-right moving mechanism, 4.2, a second front-back moving mechanism, 4.3, a second up-down moving mechanism, 4.4, a second rotary cutter holder, 5, a bottom plate, 6, a detector, 7, a first air blower, 8, a bearing support, 9 and a second air blower.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Digit control machine tool, including the control chamber, the control chamber includes six faces at front, back, left and right, top and bottom, and the front side of control chamber is equipped with to opening the door, enters into the control chamber through opening the door, carries out equipment maintenance, looking over of equipment and work piece, gets the work piece etc.. A first workpiece clamping and rotating mechanism 1.1 and a tool magazine 1.2 are arranged on a left side wall plate 1 of the operation room, as shown in fig. 1, the tool magazine 1.2 is used for storing tools, a tool replacing device is arranged in the tool magazine 1.2, and the tool replacing device is used for replacing tools of a first rotary tool apron 3.4 and a second rotary tool apron 4.4 which are described below. The right side wall plate 2 of the operation room is provided with a second workpiece clamping and rotating mechanism 2.1 and a ventilation opening 2.2, as shown in figure 2. The air vent 2.2 is used for air circulation outside the operation chamber and the operation chamber, and a dust filter screen is arranged at the air vent 2.2. The first workpiece clamping and rotating mechanism 1.1 and the second workpiece clamping and rotating mechanism 2.1 are used for clamping workpieces and can drive the clamped workpieces to rotate, and the workpieces are fixed and rotate through clamping to realize machining and forming of a matched cutter.

A set of moving mechanism is arranged on a rear side wall plate 3 of the operation chamber, as shown in fig. 3, a first left-right moving mechanism 3.1 is arranged on the rear side wall plate 3, a first up-down moving mechanism 3.2 is arranged on the first left-right moving mechanism 3.1, a first front-back moving mechanism 3.3 is arranged on the first up-down moving mechanism 3.2, and a first rotary tool apron 3.4 is arranged on the first front-back moving mechanism 3.3. The first rotary tool apron 3.4 is provided with a tool, and the tool is detachably arranged on the first rotary tool apron 3.4. The first rotary blade holder 3.4 can be moved to the tool magazine 1.2 and the tool can be exchanged by means of a tool exchange device. The first left-right moving mechanism 3.1 is used for driving cutters on the first up-down moving mechanism 3.2, the first front-back moving mechanism 3.3, the first rotating cutter holder 3.4 and the first rotating cutter holder 3.4 to move left and right, the first left-right moving mechanism 3.1 slides along the operation chamber bottom plate 5 when moving left and right, the first up-down moving mechanism 3.2 slides along the operation chamber bottom plate 5 when moving left and right along with the first left-right moving mechanism 3.1, namely, the bottom of the first left-right moving mechanism 3.1 is in contact connection and in sliding connection with the operation chamber bottom plate 5, the bottom of the first up-down moving mechanism 3.2 is in contact connection and in sliding connection with the operation chamber bottom plate 5, and the operation chamber bottom plate 5 is a flat plate, such as a smooth steel plate. The first up-and-down moving mechanism 3.2 is used for driving the first up-and-down moving mechanism 3.3, the first rotary tool apron 3.4 and the upper tool of the first rotary tool apron 3.4 to move up and down. The first forward-backward moving mechanism 3.3 is used for driving the first rotary tool apron 3.4 and a tool on the first rotary tool apron 3.4 to move forward and backward. The first rotary tool holder 3.4 is used for driving the tool thereon to rotate. The cutter on the first rotary cutter holder 3.4 realizes the processing of the workpiece and the replacement of the cutter through the combined action of the first left-right moving mechanism 3.1, the first up-down moving mechanism 3.2, the first front-back moving mechanism 3.3 and the first rotary cutter holder 3.4. The nested first left-right moving mechanism 3.1 and the first up-down moving mechanism 3.2 are specifically structured as shown in fig. 4, the nested first left-right moving mechanism 3.1 comprises a plurality of sequentially nested (namely, nested) supporting plates, the nested supporting plates are sequentially connected in a sliding manner, the supporting plate positioned on the outermost side is connected with a rear side wall plate 3, the bottom is in contact connection with or fixedly connected with a bottom plate 5 and is immobile relative to the bottom plate 5, the supporting plate positioned on the outermost side is also connected with a left side wall plate 1, the rest of the supporting plates can move left and right relative to the bottom plate 5, the right side of the supporting plate positioned on the innermost side is connected with the first up-down moving mechanism 3.2, when a cutter on the first rotary cutter holder 3.4 is required to move right, the supporting plates sequentially extend from inside to outside, and when the cutter on the. For example, the support plate has three support plates in total, the innermost support plate is slidably connected with the support plate located in the middle, the middle support plate is slidably connected with the support plate located in the outermost side, the innermost support plate can be accommodated in the middle support plate and can also slide out of the middle support plate through sliding, the middle support plate can be accommodated in the outermost support plate and can also slide out of the outermost support plate through sliding, and the outermost support plate provides fixing and supporting for the first left-right moving mechanism 3.1.

The operation room is also provided with a set of moving mechanism, namely a second left-right moving mechanism 4.1 is arranged on a top plate 4 of the operation room, as shown in figure 5, a second front-back moving mechanism 4.2 is arranged on the second left-right moving mechanism 4.1, a second up-down moving mechanism 4.3 is arranged on the second front-back moving mechanism 4.2, and a second rotary cutter holder 4.4 is arranged on the second up-down moving mechanism 4.3. And a cutter is arranged on the second rotary cutter holder 4.4, and the cutter is detachably arranged on the second rotary cutter holder 4.4. The second rotary blade holder 4.4 can be moved to the tool magazine 1.2 and the tool can be exchanged by means of a tool exchange device. The structure of the second left-right moving mechanism 4.1 can be the same as that of the first left-right moving mechanism, the structure of the second front-back moving mechanism 4.2 can be the same as that of the first up-down moving mechanism 3.2, the structure of the second up-down moving mechanism 4.3 can be the same as that of the first front-back moving mechanism 3.3, the difference is only that the arrangement positions are different, the existing moving mechanism is arranged on the rear side wall plate 3, and the other set of moving mechanism is arranged on the top plate 4.

And the first rotating tool apron 3.4 and the second rotating tool apron 4.4 are respectively provided with a second blower 9, and the second blowers 9 are used for blowing and spraying scraps on the workpiece. The second blower 9 on the first rotary tool apron 3.4 is used for blowing and spraying the surface of the workpiece processed by the tool on the first rotary tool apron 3.4 and blowing off the scraps on the surface of the processed workpiece to the bottom plate 5. The second blower 9 on the second rotary tool apron 4.4 is used for blowing and showering the surface of the workpiece processed by the tool on the second rotary tool apron 4.4, and blowing off the scraps on the surface of the processed workpiece to the bottom plate 5. The specific structure is for connecting second hair-dryer 9 on the surface of first rotatory blade holder 3.4 and the rotatory blade holder 4.4 of second, and the power of second hair-dryer 9 can be for rechargeable battery also can be connection supply socket, through the connection of electric lines supply socket need guarantee not influence cutter work can, rechargeable battery detachable installs on first rotatory blade holder 3.4 and the rotatory blade holder 4.4 of second. The connection between the first rotating knife seat 3.4 and the second blower 9, and the connection between the second rotating knife seat 4.4 and the second blower 9, can be achieved by welding a carrying bracket 8 of the second blower 9 on the outer surface of the first rotating knife seat 3.4 and the outer surface of the second rotating knife seat 4.4, placing the second blower 9 in the carrying bracket 8, as shown in fig. 6 and 7, as shown in fig. 6, as shown in a side view without placing the second blower 9, as shown in fig. 7, as shown in a side view with placing the second blower 9 in the carrying bracket 8 of the second blower 9, the number of the second blower 9 is not limited, and the number of the second blower 9 can be multiple, and is circumferentially arranged on the outer surfaces of the first rotating knife seat 3.4 and the second rotating knife seat 4.4. The numerical control machines are all provided with a control device, and the second blower 9 is connected with the control device of the numerical control machine and controlled by the control device, namely the control of the control device controls the work of the second blower 9, and whether and when the second blower 9 works and the like are controlled in the prior art.

Be equipped with a plurality of bits mechanisms of blowing on the rear side wallboard 3 of control chamber, all bits mechanisms of blowing set gradually along the lower limb of control chamber rear side wallboard 3, be located the downside of rear side wall and close on the position of bottom plate 5, and the preferred is even setting, and bits mechanisms of blowing include detector 6 and first blower 7, and detector 6 and the adjacent setting of first blower 7, and first blower 7 sets up the lower limb at rear side wallboard 3, and detector 6 sets up directly over first blower 7, as figure 8. The left-right moving positions of the bottom plate 5 corresponding to the first left-right moving mechanism 3.1 and the first up-down moving mechanism 3.2 are rectangular areas framed and selected by dotted lines in fig. 8 and the edges of the bottom plate 5, namely areas where the first air blower 7 blows, and the positions of the scrap blowing mechanisms are only schematically expressed in the diagrams of fig. 8, 3 and 4, so that the scrap blowing mechanisms do not express quantity, and the scrap blowing mechanisms can achieve the functions. The first blower 7 is embedded in the rear side wall panel 3 with its blowing port facing the bottom panel 5 and its ventilation portion communicating with the outside of the operating room. When the detector 6 detects that the front is not shielded by the first up-down moving mechanism 3.2, namely, a certain specific distance is not shielded, the first blower 7 starts to work, the first blower 7 blows the bottom plate 5 of the operation room, and the first blower 7 is used for blowing the sweeps on the left and right moving positions of the first left and right moving mechanism 3.1 and the first up-down moving mechanism 3.2 corresponding to the bottom plate 5 to the middle part of the bottom plate 5, namely, the left and right movement of the first left and right moving mechanism 3.1 and the first up-down moving mechanism 3.2 is not influenced by the sweeps on the bottom plate 5. When the detector 6 detects that the front part is blocked by the first up-down moving mechanism 3.2, the first blower 7 stops working. Taking the above-mentioned three support plates as an example, the scrap blowing mechanism is disposed corresponding to the extended middle support plate, the extended innermost support plate and the first vertical moving mechanism 3.2, and the positions of the blowing shower are the contact area of the middle support plate and the bottom plate 5, the contact area of the innermost support plate and the bottom plate 5, and the contact area of the first vertical moving mechanism 3.2 and the bottom plate 5, as shown in fig. 3, fig. 4 and fig. 8. The chip blowing mechanism further comprises a micro-control chip, the micro-control chip is existing, the micro-control chip is connected with the detector 6 and the first air blower 7, the detector 6 sends a detection signal to the micro-control chip, the micro-control chip analyzes and processes the detection signal to obtain an analysis result, and whether the first air blower 7 corresponding to the detector 6 works or not is controlled according to the analysis result. In another embodiment, the detector 6 and the first blower 7 are both connected with a control device of the numerical control machine, the detector 6 sends a detection signal to the control device, and the control device analyzes and processes the detection signal and controls whether the first blower 7 corresponding to the detector 6 works or not. The micro control chip can be integrated in the control device, and the integration process and method are the prior art. The power supply of the detector 6 and the power supply of the first blower 7 can be externally connected with the power supply outside the operating room, or share the power supply with the first workpiece clamping and rotating mechanism 1.1 and the second workpiece clamping and rotating mechanism 2.1.

An intelligent iron scrap dust collector is arranged on the bottom plate 5 of the operation chamber and used for cleaning dust and scraps falling on the bottom plate 5.

The working process is as follows: the first workpiece clamping and rotating mechanism 1.1 clamps a workpiece, the control device controls the first workpiece clamping and rotating mechanism 1.1 to rotate, the control device controls the cutter on the first rotary cutter holder 3.4 to move to machine the workpiece, and at the moment, the second rotary cutter holder 4.4 can machine the workpiece through the cutter on the second rotary cutter holder and can also go to the cutter warehouse 1.2 to replace the cutter. When the tool on the second rotary tool apron 4.4 is used for processing a workpiece, the first rotary tool apron 3.4 can process the workpiece through the tool on the first rotary tool apron and also can remove the tool from the tool magazine 1.2 for replacing the tool, after one side of the workpiece is processed, the control device controls the second workpiece clamping and rotating mechanism 2.1 to clamp away the workpiece on the first workpiece clamping and rotating mechanism 1.1, then the tool is used for processing the workpiece on the second workpiece clamping and rotating mechanism 2.1, the tool on the first rotary tool apron 3.4 and the tool on the second rotary tool apron 4.4 can be processed simultaneously, one of the tools can wait for processing the other tool, and the other tool can be removed from the tool magazine 1.2 for replacing the tool for processing the other. The second blower 9 blows off scrap iron on the workpiece to be processed during processing. During processing, the scrap blowing mechanism blows away scrap iron on the exposed positions of the bottom plate 5 corresponding to the first left-right moving mechanism 3.1 and the first up-down moving mechanism 3.2 in a left-right moving mode, blows the scrap iron to the middle position of the bottom plate 5, sucks the scrap iron and dust through the intelligent iron scrap dust collector, and the intelligent iron scrap dust collector sucks the scrap iron and dust on the bottom plate 5.

The first blower 7 ensures the smooth movement and the service life of the first left-right moving mechanism 3.1 and the first up-down moving mechanism 3.2, reduces the possibility of damage of the first left-right moving mechanism 3.1 and the first up-down moving mechanism 3.2, and ensures the left-right moving efficiency of the first left-right moving mechanism 3.1 and the first up-down moving mechanism 3.2; the intelligent iron scrap dust collector is matched with the first air blower 7, so that the problem that the intelligent iron scrap dust collector is poor in capability of cleaning corners is solved, and the intelligent iron scrap dust collector sucks away generated iron scrap. The second blower 9 blows and drenches the sweeps on the work piece, guarantees the machining precision of work piece, avoids the cutter impaired. The vent maintains the indoor air pressure balance in the operating chamber.

The two sets of moving mechanisms are matched with the cutters and the cutter storehouses 1.2 on the two sets of moving mechanisms, so that the working efficiency is high, the problems of time waste, long processing time and low efficiency of operation of one existing cutter holder are solved, the two cutters can be processed simultaneously, one of the cutters can be processed, the other cutter can be replaced, and the continuous and uninterrupted finish machining of a workpiece is guaranteed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The numerical control machine tool comprises an operation chamber, wherein a split door is arranged on the front side of the operation chamber, a first workpiece clamping and rotating mechanism (1.1) and a tool magazine (1.2) for storing tools are arranged on a left side wall plate (1) of the operation chamber, a tool replacing device is arranged in the tool magazine (1.2), a second workpiece clamping and rotating mechanism (2.1) is arranged on a right side wall plate (2) of the operation chamber, a nested first left-right moving mechanism (3.1) is arranged on a rear side wall plate (3) of the operation chamber, a first up-down moving mechanism (3.2) is arranged on the first left-right moving mechanism (3.1), the first left-right moving mechanism (3.1) and the first up-down moving mechanism (3.2) slide along a bottom plate (5) of the operation chamber when moving left and right, a first front-back moving mechanism (3.3) is arranged on the first up-down moving mechanism (3.2), a first rotating tool apron (3.4) is, the first rotary tool apron (3.4) is detachably provided with a tool, and the first rotary tool apron (3.4) can move to the tool magazine (1.2) and change the tool through the tool changing device; it is characterized in that the preparation method is characterized in that,

the scrap blowing device is characterized in that a plurality of scrap blowing mechanisms are arranged on a rear side wall plate (3) of the operation chamber, the scrap blowing mechanisms are sequentially arranged along the lower edge of the rear side wall plate (3), each scrap blowing mechanism comprises a detector (6) and a first blower (7), when the front of the detector (6) is not shielded by a first up-down moving mechanism (3.2), the first blower (7) blows a bottom plate (5) of the operation chamber, and the first blower (7) is used for blowing scraps on the position, corresponding to the left-right moving mechanism (3.1) and the first up-down moving mechanism (3.2), of the bottom plate (5) to the middle of the bottom plate (5) in a left-right moving mode;

an intelligent iron scrap dust collector is arranged on a bottom plate (5) of the operation chamber and used for cleaning dust and scraps falling on the bottom plate (5);

a second left-right moving mechanism (4.1) is arranged on a top plate (4) of the operating room, a second front-back moving mechanism (4.2) is arranged on the second left-right moving mechanism (4.1), a second up-down moving mechanism (4.3) is arranged on the second front-back moving mechanism (4.2), a second rotary tool apron (4.4) is arranged on the second up-down moving mechanism (4.3), and a tool is detachably mounted on the second rotary tool apron (4.4); the second rotary tool holder (4.4) can be moved to a tool magazine (1.2) and the tools can be replaced by a tool replacement device;

the first rotating tool apron (3.4) and the second rotating tool apron (4.4) are respectively provided with a second blower (9), and the second blowers (9) are used for blowing and spraying the waste scraps on the workpiece;

and a ventilation opening is formed in the right side wall plate (2) of the operation chamber.

2. Numerical control machine according to claim 1, characterized in that said first right-left movement mechanism (3.1) comprises a plurality of support plates nested one after the other and slidably connected one after the other, said support plate located outermost being connected to the rear wall plate (3) of the operating room, the right side of the support plate located innermost being connected to the first up-down movement mechanism (3.2).

3. Numerical control machine according to claim 1, characterized in that the outer surface of the first rotary cutter seat (3.4) and the outer surface of the second rotary cutter seat (4.4) are welded to a second blower (9) carrying bracket (8), the second blower (9) being placed inside the carrying bracket (8).

4. Numerical control machine according to claim 1, characterized in that said first blower (7) is embedded in the rear side wall (3) with its blowing opening inside the operating room and its ventilation opening outside the operating room.

5. Numerical control machine according to claim 1, characterized in that said detector (6) is located directly above the corresponding first blower (7).

6. Numerical control machine according to claim 1, characterized in that said second blower (9) is connected to the control means of the machine.

7. Numerical control machine according to claim 1, characterized in that said detector (6) and said first blower (7) are connected to the control means of the machine.

8. The numerical control machine tool according to claim 1, characterized in that the scrap blowing mechanism further comprises a micro-control chip, the micro-control chip is connected with the detector (6) and the first blower (7), the detector (6) sends a detection signal to the micro-control chip, and the micro-control chip analyzes and processes the detection signal and controls whether the first blower (7) corresponding to the detector (6) works or not.

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