Numerical control milling machine for vertical multi-surface machining

Abstract

The invention relates to a vertical multi-face machining numerical control milling machine which comprises a workbench and a fixing plate fixedly installed at the top of the workbench, a milling tool used for machining a workpiece is arranged on the front face of the fixing plate, a milling cutter is fixedly installed at the output end of the milling tool, and a washing mechanism used for cleaning the milling cutter is arranged below the milling tool. A blowing mechanism for removing redundant grinding oil on the surface of the milling cutter is arranged on one side of the front face of the flushing mechanism. The rolling wheels are pushed through the moving plate, so that the L-shaped frame turns over, in the process, grinding oil sprayed out of the output end of the oil spraying pipe is sprayed into the L-shaped groove and then splashes to the milling cutter and the brush along the inner wall of the L-shaped groove, and the brush moves to the middle of the milling cutter from the bottom of the milling cutter in the turning-over process of the L-shaped frame. And the milling cutter can continuously rotate for a period of time after stopping working, and in the period of time, the brush is matched with flowing grinding oil to wash away metal chippings on the surface of the milling cutter, so that the efficiency of cleaning the milling cutter by the brush is improved.

Description

Technical Field

[0001] The invention relates to the technical field of CNC milling machines, in particular to a vertical multi-faceted CNC milling machine. Background Art

[0002] Vertical multi-faceted CNC milling machines usually refer to CNC milling machines that can perform precise processing in multiple directions (mainly X, Y, and Z axes). This type of machine tool can achieve efficient and high-precision processing of complex-shaped workpieces through its advanced CNC system, precise mechanical structure, and multifunctional processing tools. By replacing different tools and fixtures, it can achieve milling, drilling, boring and other processing methods to meet different processing needs.

[0003] After the existing vertical multi-faceted CNC milling machine completes the milling operation, it is necessary to use a brush to clean the metal debris on the surface of the milling cutter. Since the milling cutter will come into contact with the grinding oil during operation, the grinding oil remaining on the surface of the milling cutter will adhere to the metal debris, and it is inconvenient to clean the metal debris on the surface of the milling cutter only with a brush; at the same time, in the winter, when the vertical multi-faceted CNC milling machine is not used for a long time, the output end of the nozzle used to spray the grinding oil is prone to blockage, which affects the efficiency of workpiece processing. Summary of the invention

[0004] The technical problems solved by this solution are:

[0005] (1) How to solve the problem that the grinding oil remaining on the surface of the milling cutter will adhere to metal debris due to the contact of the milling cutter with the grinding oil during operation, and it is inconvenient to clean the metal debris only with a brush;

[0006] (2) How to solve the problem that the output end of the nozzle used to spray grinding oil is easily blocked in winter and when not used for a long time, thereby affecting the processing efficiency of the workpiece.

[0007] The object of the present invention can be achieved by the following technical scheme: A vertical multi-faceted CNC milling machine comprises a workbench and a fixed plate fixedly mounted on the top thereof, a milling tool for machining a workpiece is arranged on the front of the fixed plate, the milling tool is a prior art, and a milling cutter is fixedly mounted on the output end of the milling tool, a flushing mechanism for cleaning the milling cutter is arranged below the milling tool, and a blower mechanism for removing excess grinding oil on the surface of the milling cutter is arranged on one side of the front of the flushing mechanism;

[0008] The flushing mechanism includes an L-shaped frame rotatably connected to the front side of the fixed plate, one end of the L-shaped frame is rotatably connected to a roller, and the other end of the L-shaped frame is fixedly installed with an L-shaped groove, a brush for cleaning the milling cutter is fixedly installed on the top of the inner wall of the L-shaped groove, and a U-shaped cover is fixedly installed on the L-shaped frame on one side of the L-shaped groove, and the open end of the U-shaped cover is connected to the bottom end of the L-shaped groove.

[0009] A further technical improvement of the present invention is that a recovery hose is fixedly inserted on the L-shaped frame below the U-shaped cover, a recovery box is fixedly arranged at the bottom of the workbench, and the output end of the recovery hose passes through the workbench and is connected to the recovery box.

[0010] A further technical improvement of the present invention is that an oil spray pipe is fixedly installed on the side of the milling tool through a connecting frame, the input end of the oil spray pipe is connected to an oil delivery hose for conveying grinding oil, and a control valve is fixedly installed in the middle of the oil spray pipe, and the output end of the oil spray pipe is arranged to face directly below the milling cutter; after completing the operation of milling the workpiece, the servo motor is rotated to drive the movable plate to move from the processing station to the cleaning station, and the movable plate pushes the roller to make the L-shaped frame flip over. During this process, the grinding oil sprayed from the output end of the oil spray pipe will be sprayed into the L-shaped groove, and then splashed onto the milling cutter and the brush along the inner wall of the L-shaped groove, and the brush moves from the bottom of the milling cutter to the middle of it during the flipping of the L-shaped frame. Since the milling cutter will continue to rotate for a period of time after stopping working, during this period of time, the metal debris on the surface of the milling cutter is washed away by the brush in combination with the flowing grinding oil, thereby improving the efficiency of the brush cleaning the milling cutter.

[0011] A further technical improvement of the present invention is that the hair blowing mechanism includes a longitudinally arranged air outlet duct, the output end of the air outlet duct is arranged toward the fixed plate, a longitudinally arranged electric push rod is fixedly installed on the workbench, the extended end of the electric push rod movably passes through the air inlet and outlet ducts and is fixedly connected to a piston, and the piston is slidably connected to the inner wall of the air outlet duct.

[0012] A further technical improvement of the present invention lies in that: one side of the middle part of the air outlet pipe is connected with an L-shaped blowing pipe, a support frame is fixedly connected to the top of the workbench, the input end of the L-shaped blowing pipe is arranged toward the fixed plate, the other side of the middle part of the air outlet pipe is connected with an air inlet pipe, a hot air blower is fixedly arranged on the workbench, and the output end of the hot air blower is connected with the input end of the air inlet pipe; before the milling operation of the workpiece, the servo motor drives the movable plate to move horizontally to the processing station. At this time, the position of the output end of the oil injection pipe corresponds to the position of the output end of the L-shaped blowing pipe, the hot air blower is turned on, so that the hot air flow is injected into the air outlet pipe through the air inlet pipe, and at the same time, the extended end of the electric push rod is controlled to extend so that the piston is located above the output end of the air inlet pipe, and the hot air flow enters the L-shaped blowing pipe, so that the hot air flow blown out from the L-shaped blowing pipe heats the output end of the oil injection pipe, thereby reducing The viscosity of the grinding oil accumulated at the output end of the oil spray pipe makes it easy to clear the oil spray pipe when the control valve is opened, so as to avoid clogging of the output end of the nozzle used for spraying grinding oil in winter and when it is not used for a long time, which affects the efficiency of workpiece processing; after completing the cleaning of the milling cutter, the servo motor is controlled to rotate to drive the movable plate to move horizontally to the drying station. At this time, the roller and the positioning block are in contact with the L-shaped frame, and the output end of the air outlet pipe is toward the bottom of the milling cutter. Then the extended end of the electric push rod is controlled to shrink, so that the piston slides to between the output end of the air inlet pipe and the input end of the L-shaped blowing pipe. The hot air flow is ejected from the air inlet pipe to blow hot air to the bottom of the milling cutter, so that the surface temperature of the milling cutter increases, the viscosity of the grinding oil is reduced, and the excess grinding oil on the surface of the milling cutter is blown off, thereby controlling the amount of grinding oil on the surface of the milling cutter to avoid pollution caused by excessive grinding oil accumulation and affecting the cutting effect of the milling cutter.

[0013] A further technical improvement of the present invention is that two laterally arranged guide rods are fixedly installed on the front side of the fixed plate, a movable plate is slidably arranged in the middle of the two guide rods, and a threaded rod for driving the movable plate to move laterally is arranged between the two guide rods, and the position of the side surface of the movable plate corresponds to the position of the roller.

[0014] A further technical improvement of the present invention is that a servo motor is also fixedly mounted on the fixing plate, and an output end of the servo motor is fixedly connected to one end of the threaded rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] When the present invention is in use, after completing the operation of milling the workpiece, the servo motor is rotated to drive the movable plate to move from the processing station to the cleaning station, and the movable plate pushes the roller to make the L-shaped frame flip over. During this process, the grinding oil sprayed from the output end of the oil spray pipe will be sprayed into the L-shaped groove, and then splashed onto the milling cutter and the brush along the inner wall of the L-shaped groove. The brush moves from the bottom of the milling cutter to the middle of it during the flipping of the L-shaped frame. Since the milling cutter will continue to rotate for a period of time after stopping working, during this period of time, the metal debris on the surface of the milling cutter is washed away by the brush in combination with the flowing grinding oil, thereby improving the efficiency of the brush cleaning the milling cutter.

[0017] When the present invention is in use, before the milling operation on the workpiece, the servo motor drives the movable plate to move horizontally to the processing station. At this time, the position of the output end of the oil injection pipe corresponds to the position of the output end of the L-shaped blowing pipe, and the hot air blower is turned on to allow the hot air flow to be injected into the air outlet pipe through the air inlet pipe. At the same time, the extended end of the electric push rod is controlled to extend so that the piston is located above the output end of the air inlet pipe, and the hot air flow enters the L-shaped blowing pipe, so that the hot air flow blown out from the L-shaped blowing pipe heats the output end of the oil injection pipe, thereby reducing the viscosity of the grinding oil accumulated at the output end of the oil injection pipe. When the control valve is opened, it is convenient to dredge the oil injection pipe, thereby preventing the output end of the nozzle used for spraying grinding oil from being blocked in winter and not being used for a long time. The servo motor is controlled to rotate and the movable plate is driven to move horizontally to the drying station after cleaning the milling cutter. At this time, the roller and the positioning block are in contact with the L-shaped frame, and the output end of the air outlet pipe is toward the bottom of the milling cutter. The extended end of the electric push rod is controlled to shrink, so that the piston slides between the output end of the air inlet pipe and the input end of the L-shaped air blowing pipe. The hot air flow is ejected from the air inlet pipe to blow hot air to the bottom of the milling cutter, so that the surface temperature of the milling cutter is increased, the viscosity of the grinding oil is reduced, and the excess grinding oil on the surface of the milling cutter is blown off, thereby controlling the amount of grinding oil on the surface of the milling cutter to avoid pollution caused by excessive grinding oil accumulation and affecting the cutting effect of the milling cutter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the flushing mechanism of the present invention;

[0021] Figure 3 It is a three-dimensional schematic diagram of the structure of the L-shaped groove of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the hair dryer of the present invention;

[0023] Figure 5For the present invention Figure 4 A magnified view of the structure at center;

[0024] Figure 6 It is a schematic three-dimensional structure diagram of the movable plate of the present invention.

[0025] In the figure: 1. moving plate; 2. milling tool; 3. servo motor; 4. flushing mechanism; 5. positioning block; 6. workbench; 7. recovery box; 8. clamping tool; 9. blower mechanism; 10. fixed plate; 11. guide rod; 12. threaded rod; 13. rotating tool; 14. lifting cylinder; 41. roller; 42. L-shaped frame; 43. L-shaped groove; 44. recovery hose; 45. U-shaped cover; 46. oil injection pipe; 47. control valve; 48. oil delivery hose; 49. brush; 91. L-shaped blower pipe; 92. outlet pipe; 93. inlet pipe; 94. hot air blower; 95. support frame; 96. piston; 97. electric push rod. DETAILED DESCRIPTION

[0026] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 6 As shown, a vertical multi-sided processing CNC milling machine includes a workbench 6 and a fixed plate 10 fixedly installed on the top thereof, a milling tool 2 for processing a workpiece is arranged on the front of the fixed plate 10, the milling tool 2 is the prior art, and a milling cutter is fixedly installed on the output end of the milling tool 2, a flushing mechanism 4 for cleaning the milling cutter is arranged below the milling tool 2, and a blower mechanism 9 for removing excess grinding oil on the surface of the milling cutter is arranged on the front side of the flushing mechanism 4.

[0028] See also Figure 1-Figure 6 As shown, the above-mentioned flushing mechanism 4 includes an L-shaped frame 42 rotatably connected to the front of the fixed plate 10, one end of the L-shaped frame 42 is rotatably connected to the roller 41, and the other end of the L-shaped frame 42 is fixedly installed with an L-shaped groove 43, and a brush 49 for cleaning the milling cutter is fixedly installed on the top of the inner wall of the L-shaped groove 43, and a U-shaped cover 45 is fixedly installed on the L-shaped frame 42 on one side of the L-shaped groove 43, and the open end of the U-shaped cover 45 is connected to the bottom end of the L-shaped groove 43.

[0029] See also Figure 1 and Figure 2 As shown, a recovery hose 44 is fixedly inserted on the L-shaped frame 42 below the U-shaped cover 45 , a recovery box 7 is fixedly arranged at the bottom of the workbench 6 , and the output end of the recovery hose 44 passes through the workbench 6 and is connected to the recovery box 7 .

[0030] See also Figure 1-Figure 6 As shown, an oil injection pipe 46 is fixedly installed on the side of the above-mentioned milling tool 2 through a connecting frame, and the input end of the oil injection pipe 46 is connected to an oil delivery hose 48 for conveying grinding oil, and a control valve 47 is fixedly installed in the middle of the oil injection pipe 46, and the output end of the oil injection pipe 46 is arranged directly below the milling cutter; after completing the operation of milling the workpiece, the servo motor 3 is rotated to drive the movable plate 1 to move from the processing station to the cleaning station, and the movable plate 1 pushes the roller 41 to make the L-shaped frame 42 flip over. During this process, the grinding oil sprayed from the output end of the oil injection pipe 46 will be sprayed into the L-shaped groove 43, and then splashed onto the milling cutter and the brush 49 along the inner wall of the L-shaped groove 43, and the brush 49 moves from the bottom of the milling cutter to the middle of it during the flipping of the L-shaped frame 42. Since the milling cutter will continue to rotate for a period of time after stopping working, during this period of time, the metal debris on the surface of the milling cutter is washed away by the brush 49 in cooperation with the flowing grinding oil, thereby improving the efficiency of the brush 49 in cleaning the milling cutter.

[0031] See also Figure 1-Figure 6 As shown, the above-mentioned hair dryer mechanism 9 includes a longitudinally arranged air outlet duct 92, the output end of the air outlet duct 92 is arranged toward the fixed plate 10, and a longitudinally arranged electric push rod 97 is fixedly installed on the workbench 6. The extended end of the electric push rod 97 movably passes through the air inlet and outlet duct 92 and is fixedly connected to a piston 96, and the piston 96 is slidably connected to the inner wall of the air outlet duct 92.

[0032] See also Figure 1-Figure 6As shown, one side of the middle part of the above-mentioned air outlet pipe 92 is connected with an L-shaped blowing pipe 91, a support frame 95 is fixedly connected to the top of the workbench 6, the input end of the L-shaped blowing pipe 91 is arranged toward the fixed plate 10, and the other side of the middle part of the air outlet pipe 92 is connected with an air inlet pipe 93. A hot air blower 94 is fixedly arranged on the workbench 6, and the output end of the hot air blower 94 is connected with the input end of the air inlet pipe 93; before the operation of milling the workpiece, the servo motor 3 drives the movable plate 1 to move horizontally to the processing station. At this time, the position of the output end of the oil injection pipe 46 corresponds to the position of the output end of the L-shaped blowing pipe 91, and the hot air blower 94 is turned on to allow the hot air flow to be injected into the air outlet pipe 92 through the air inlet pipe 93. At the same time, the extended end of the electric push rod 97 is controlled to extend so that the piston 96 is located above the output end of the air inlet pipe 93, and the hot air flow enters the L-shaped blowing pipe 91, so that the hot air flow blown out from the L-shaped blowing pipe 91 heats the output end of the oil injection pipe 46, thereby reducing The viscosity of the grinding oil accumulated at the output end of the oil injection pipe 46 makes it easy to dredge the oil injection pipe 46 when the control valve 47 is opened, so as to avoid clogging of the output end of the nozzle used for spraying grinding oil in winter and when it is not used for a long time, thereby affecting the efficiency of workpiece processing; after completing the cleaning of the milling cutter, the servo motor 3 is controlled to rotate to drive the movable plate 1 to move horizontally to the drying station. At this time, the roller 41 and the positioning block 5 are in contact with the L-shaped frame 42, and the output end of the air outlet pipe 92 is toward the bottom of the milling cutter. Then the extended end of the electric push rod 97 is controlled to shrink, so that the piston 96 slides to between the output end of the air inlet pipe 93 and the input end of the L-shaped blowing pipe 91, and the hot air flow is ejected from the air inlet pipe 93 to blow hot air to the bottom of the milling cutter, so that the surface temperature of the milling cutter increases, the viscosity of the grinding oil is reduced, and the excess grinding oil on the surface of the milling cutter is blown off, thereby controlling the amount of grinding oil on the surface of the milling cutter, avoiding pollution caused by excessive grinding oil accumulation and affecting the cutting effect of the milling cutter.

[0033] See also Figure 2 and Figure 6 As shown, two transversely arranged guide rods 11 are fixedly installed on the front side of the above-mentioned fixed plate 10, a movable plate 1 is slidably arranged in the middle of the two guide rods 11, and a threaded rod 12 for driving the movable plate 1 to move transversely is arranged between the two guide rods 11, and the position of the side of the movable plate 1 corresponds to the position of the roller 41. A servo motor 3 is also fixedly installed on the fixed plate 10, and the output end of the servo motor 3 is fixedly connected to one end of the threaded rod 12.

[0034] See also Figure 1-Figure 6 As shown, a longitudinally arranged lifting cylinder 14 is fixedly installed on the top of the front side of the above-mentioned movable plate 1, and a rotating tooling 13 is fixedly installed on the protruding end of the lifting cylinder 14. The rotating tooling 13 is the prior art, and the output end of the rotating tooling 13 is fixedly connected to the milling tooling 2. The front side of the movable plate 1 is slidably connected to the back side of the rotating tooling 13 through two guide rails.

[0035] See also Figure 1-Figure 6 As shown, a clamping fixture 8 for driving the workpiece to rotate horizontally is provided on the top side of the above-mentioned workbench 6 away from the servo motor 3. The clamping fixture 8 is the prior art, and a positioning block 5 for limiting the L-shaped frame 42 is fixedly installed on the front side of the fixed plate 10 away from the clamping fixture 8.

[0036] Working principle: When the present invention is used, first, Figure 1 As shown, the workpiece is fixed by the clamping fixture 8, and the horizontal angle of the workpiece is adjusted. Before the workpiece is milled, the servo motor 3 drives the moving plate 1 to move horizontally to the processing station. At this time, Figure 1 , Figure 2 and Figure 4 As shown, the position of the output end of the oil injection pipe 46 corresponds to the position of the output end of the L-shaped blowing pipe 91. The hot air blower 94 is turned on to allow the hot air flow to be injected into the air outlet pipe 92 through the air inlet pipe 93. At the same time, the extended end of the electric push rod 97 is controlled to extend so that the piston 96 is located above the output end of the air inlet pipe 93. The hot air flow enters the L-shaped blowing pipe 91, so that the hot air flow blown out from the L-shaped blowing pipe 91 heats the output end of the oil injection pipe 46, reducing the viscosity of the grinding oil accumulated at the output end of the oil injection pipe 46. When the control valve 47 is opened, it is easy to dredge the oil injection pipe 46, thereby avoiding the blockage of the output end of the nozzle used for spraying grinding oil in winter when it is not used for a long time, thereby affecting the efficiency of workpiece processing; Figure 1 and Figure 6 As shown, by moving the movable plate 1 horizontally, the rotary tool 13 and the lifting cylinder 14 drive the milling tool 2 to change multiple angles, so as to facilitate the milling operation on the workpiece; after completing the milling operation on the workpiece, as shown in FIG. Figure 1-Figure 3 As shown, the servo motor 3 rotates to drive the movable plate 1 to move from the processing station to the cleaning station, and the movable plate 1 pushes the roller 41 to make the L-shaped frame 42 flip over. During this process, the grinding oil sprayed from the output end of the oil spray pipe 46 will be sprayed into the L-shaped groove 43, and then splashed onto the milling cutter and the brush 49 along the inner wall of the L-shaped groove 43. The brush 49 moves from the bottom of the milling cutter to the middle of it during the flipping of the L-shaped frame 42. Since the milling cutter will continue to rotate for a period of time after stopping work, during this period of time, the metal debris on the surface of the milling cutter is washed away by the brush 49 in combination with the flowing grinding oil, thereby improving the efficiency of the brush 49 in cleaning the milling cutter. The grinding oil carrying the metal debris will be introduced into the U-shaped cover 45, and then collected into the recovery box 7 through the recovery hose 44; after the milling cutter is cleaned, as shown in FIG. Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the servo motor 3 is controlled to rotate to drive the movable plate 1 to move horizontally to the drying station. At this time, the roller 41 and the positioning block 5 are in contact with the L-shaped frame 42, and the output end of the air outlet pipe 92 is toward the bottom of the milling cutter. The extended end of the electric push rod 97 is controlled to shrink, so that the piston 96 slides to between the output end of the air inlet pipe 93 and the input end of the L-shaped blowing pipe 91. The hot air flow is ejected from the air inlet pipe 93 to blow hot air to the bottom of the milling cutter, so that the surface temperature of the milling cutter increases, the viscosity of the grinding oil is reduced, and the excess grinding oil on the surface of the milling cutter is blown off, thereby controlling the amount of grinding oil on the surface of the milling cutter to avoid excessive grinding oil accumulation to cause pollution and affect the cutting effect of the milling cutter.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A vertical multi-faceted CNC milling machine, comprising a workbench (6) and a fixed plate (10) fixedly mounted on the top thereof, a milling tool (2) for machining a workpiece being arranged on the front of the fixed plate (10), a milling cutter being fixedly mounted on the output end of the milling tool (2), characterized in that: A flushing mechanism (4) for cleaning the milling cutter is provided below the milling tool (2), and a blower mechanism (9) for removing excess grinding oil on the surface of the milling cutter is provided on the front side of the flushing mechanism (4); The flushing mechanism (4) comprises an L-shaped frame (42) rotatably connected to the front of the fixed plate (10), one end of the L-shaped frame (42) is rotatably connected to a roller (41), and the other end of the L-shaped frame (42) is fixedly mounted with an L-shaped groove (43), a brush (49) is fixedly mounted on the top of the inner wall of the L-shaped groove (43), and a U-shaped cover (45) is fixedly mounted on the L-shaped frame (42) on one side of the L-shaped groove (43), and the open end of the U-shaped cover (45) is connected to the bottom end of the L-shaped groove (43).

2. A vertical multi-surface CNC milling machine according to claim 1, characterized in that: A recovery hose (44) is fixedly inserted on the L-shaped frame (42) below the U-shaped cover (45), a recovery box (7) is fixedly arranged at the bottom of the workbench (6), and an output end of the recovery hose (44) passes through the workbench (6) and is in communication with the recovery box (7).

3. A vertical multi-surface CNC milling machine according to claim 1, characterized in that: An oil injection pipe (46) is fixedly installed on the side of the milling tool (2), the input end of the oil injection pipe (46) is connected to an oil delivery hose (48) for delivering grinding oil, and a control valve (47) is fixedly installed in the middle of the oil injection pipe (46), and the output end of the oil injection pipe (46) faces directly below the milling cutter.

4. A vertical multi-surface CNC milling machine according to claim 1, characterized in that: The blower mechanism (9) comprises an air outlet pipe (92), the output end of the air outlet pipe (92) faces the fixed plate (10), an electric push rod (97) is fixedly mounted on the workbench (6), and the extended end of the electric push rod (97) movably penetrates the air inlet and outlet pipe (92) and is fixedly connected to a piston (96).

5. A vertical multi-surface CNC milling machine according to claim 4, characterized in that: One side of the middle of the air outlet pipe (92) is connected to an L-shaped blowing pipe (91), and a support frame (95) is fixedly connected to the top of the workbench (6); the input end of the L-shaped blowing pipe (91) is arranged toward the fixed plate (10); the other side of the middle of the air outlet pipe (92) is connected to an air inlet pipe (93); a hot air blower (94) is fixedly arranged on the workbench (6), and the output end of the hot air blower (94) is connected to the input end of the air inlet pipe (93).

6. A vertical multi-surface CNC milling machine according to claim 1, characterized in that: Two transversely arranged guide rods (11) are fixedly mounted on the front of the fixed plate (10); a movable plate (1) is slidably arranged in the middle of the two guide rods (11); and a threaded rod (12) for driving the movable plate (1) is arranged between the two guide rods (11); the position of the side surface of the movable plate (1) corresponds to the position of the roller (41).

7. A vertical multi-surface CNC milling machine according to claim 1, characterized in that: A servo motor (3) is also fixedly mounted on the fixed plate (10), and an output end of the servo motor (3) is fixedly connected to one end of the threaded rod (12).

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