Numerical control machine tool and method

Abstract

The invention discloses a numerical control machine tool and method, and particularly relates to the technical field of numerical control machine tools, the numerical control machine tool comprises a base, a shell is fixedly installed on the rear portion of the upper end of the base, a transverse moving mechanism is installed on the inner wall of the shell, a longitudinal moving mechanism is installed on the transverse moving mechanism, and a tool apron is installed on the longitudinal moving mechanism; and a translation mechanism is mounted at the upper end of the base. According to the numerical control machine tool, flying wood chips in the wood processing process are sealed in the shell through the sealing assembly and the shell, the situation that the wood chips fly disorderly in the processing process and pollute the air quality in a processing workshop can be effectively avoided, and the air quality in the workshop is effectively guaranteed; and meanwhile, the fan and the exhaust fan are matched with each other, generated wood chips can be collected and stored in the dust collecting cavity, subsequent cleaning is facilitated, meanwhile, the wood can be clamped in multiple directions through the rotating assembly and the clamp assembly, the wood can be driven to rotate, and the wood processing efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of numerical control machine tools, and in particular to a numerical control machine tool and a method thereof. Background Art

[0002] The CNC machining center for woodworking is a high-efficiency automated machine tool composed of mechanical equipment and CNC systems suitable for processing complex parts. The CNC machining center is one of the most productive and widely used CNC machine tools in the world. It has a strong comprehensive processing capability, and can complete more processing content after the workpiece is clamped once, with high processing accuracy. For batch workpieces with medium processing difficulty, its efficiency is 5 to 10 times that of ordinary equipment. In particular, it can complete many processing that ordinary equipment cannot complete, and is more suitable for single-piece processing with complex shapes and high precision requirements or small and medium-sized batch multi-variety production. It concentrates the milling, turning, drilling, and mortise and tenon structure processing functions on one device, so that it has a variety of processing procedures and process means.

[0003] When existing CNC machine tools are used to process wood products, their fixing fixtures often have a single function, and it is not convenient to adjust the angle of the wood after the processing machine switches the processing mode. At the same time, when the wood is processed by the machine tool, wood chips fly disorderly during the processing, causing pollution to the air quality in the processing workshop. Summary of the invention

[0004] The main purpose of the present invention is to provide a CNC machine tool and method, which can effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A numerical control machine tool and method, comprising a base, a shell is fixedly installed at the rear of the upper end of the base, a lateral moving mechanism is installed on the inner wall of the shell, a longitudinal moving mechanism is installed on the lateral moving mechanism, a tool holder is installed on the longitudinal moving mechanism, a translation mechanism is installed on the upper end of the base, a fixed plate is installed on the upper end of the translation mechanism, an opening is opened at the front end of the shell, the translation mechanism passes through the opening, a rotating assembly is installed on the fixed plate, a clamp assembly is installed on the rotating assembly, a sealing assembly is installed on the top of the opening, a first equipment cavity and a dust collecting cavity distributed front and back are opened inside the base, a conical groove is opened at the rear of the upper end of the base, a collecting port is jointly opened between the bottom of the conical groove and the dust collecting cavity, an air inlet is jointly opened between the dust collecting cavity and the first equipment cavity, a filter is fixedly installed in the air inlet, an exhaust port is opened on the other side of the first equipment cavity, an exhaust fan is fixedly installed on the first equipment cavity, an exhaust end of the exhaust fan is fixedly connected to the air inlet, and an exhaust end of the exhaust fan is fixedly connected to the exhaust port, and blowing fans are fixedly installed on the left and right inner walls of the shell.

[0007] Preferably, a rotation groove is provided in the middle of the upper end of the fixing plate, and an equipment groove is provided on one side of the inner wall of the rotation groove.

[0008] Preferably, the rotating assembly includes a gear and a turntable, the turntable rotates in a rotating groove, a gear ring is fixedly installed on the outer surface of the turntable, the gear is rotatably connected in the equipment groove, the gear is meshed with the gear ring, a motor is fixedly installed at the bottom of the equipment groove, and the output end of the motor is fixedly connected to the gear.

[0009] Preferably, a plurality of slide grooves are evenly arranged on the upper end of the turntable, and a second equipment cavity is arranged in the middle of the turntable.

[0010] Preferably, the clamp assembly includes a screw and a first motor, the screw is rotatably connected in the slide slot, one end of the screw extends through and extends into the second equipment cavity and is fixedly installed with a driven bevel gear, the first motor is fixedly installed at the bottom of the turntable, the output end of the first motor extends through and extends into the second equipment cavity and is fixedly installed with a driving bevel gear, the driven bevel gear and the driving bevel gear are meshed, limiting grooves are provided on both sides of the slide slot, a driving block is threadedly connected to the outer surface of the screw, limiting plates are fixedly installed on both sides of the driving block, the limiting plates slide in the limiting grooves, a vertical plate is fixedly installed on the upper end of the driving block, a clamping plate is fixedly installed on one side of the vertical plate close to the middle of the upper end of the turntable, and a rubber pad is fixedly installed on the clamping plate.

[0011] Preferably, a cleaning port is provided on the other side of the dust collecting chamber, and a box cover is installed in the cleaning port.

[0012] Preferably, a receiving groove is formed at the top of the opening, cavities are formed inside both left and right ends of the receiving groove, and a through hole communicating with the interior of the shell is formed at the top of the cavity.

[0013] Preferably, the sealing assembly comprises a baffle, two first pulleys, two concave plates and a second pulley, wherein the left and right ends of the baffle are fixedly installed with a connecting plate, the upper end of the connecting plate is fixedly installed with a sliding rod, the top of the sliding rod extends through the cavity and is fixedly installed with a sliding block, the sliding block slides in the cavity, a spring is installed on the upper end of the sliding block, the first pull rope is fixedly installed on the upper end of the sliding block, and the spring is sleeved outside the first pull rope, the two concave plates are fixedly installed on the left and right inner walls of the shell, the two first pulleys are fixedly installed on the upper left and right sides of the rear wall of the shell, the concave plates are slidably connected with limiting blocks, a cross plate is fixedly installed between the two limiting blocks, the second pull rope is fixedly installed on the bottom of the cross plate, the first pull rope passes through the through hole and the first pulley and is fixedly connected to the top of the limiting block, the second pulley is fixedly installed on the lower part of the rear wall of the shell, the second pull rope is fixedly installed on the lower end of the limiting block, the second pull rope passes through the second pulley and is fixedly connected to the rear end of the fixed plate, and a plurality of limiting rings are fixedly installed on the tops of the left and right inner walls of the shell, and the first pull rope passes through the limiting ring.

[0014] A method for a numerically controlled machine tool, comprising the following steps:

[0015] Step 1: Place the wood on the turntable, the first motor drives the active bevel gear to rotate, the active bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the screw to rotate, the screw drives the driving block to slide in the slide slot, the driving block drives the vertical plate to move, the vertical plate drives the clamping plate to move, and the clamping plate clamps the wood;

[0016] Step 2: The translation mechanism drives the fixed plate from the inner shell of the opening machine. In the process of entering the inner shell, the fixed plate squeezes the slider under the action of the spring force, and the slider drives the slide bar to move downward, and the slide bar drives the connecting plate to move downward, and the connecting plate drives the baffle to slide out of the storage groove to seal the opening;

[0017] Step three: The knife holder is driven to move by the lateral moving mechanism and the longitudinal moving mechanism, and the knife holder drives the processing equipment to process the wood. During the processing, the fan and the exhaust fan are started, the fan blows away the wood chips generated by the processing, and the exhaust fan sucks the scattered wood chips into the dust collecting chamber through the collection port.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present invention discloses a CNC machine tool, which can seal wood chips flying in the process of wood processing in the shell by means of a sealing component and a shell, thereby effectively preventing wood chips from flying disorderly in the process of processing and polluting the air quality in the processing workshop, thereby effectively ensuring the air quality in the workshop; at the same time, the fan and the exhaust fan cooperate with each other, and the generated wood chips can be collected and stored in a dust collecting chamber, which is convenient for subsequent cleaning; at the same time, the rotating component and the clamping component can clamp the wood from multiple directions, and can also drive the wood to rotate, thereby improving the processing efficiency of the wood. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the internal structure of the housing of the present invention;

[0022] Figure 3 It is a front cutaway view of the present invention;

[0023] Figure 4 It is a left side cutaway view of the present invention;

[0024] Figure 5 It is a schematic diagram of the structure of the fixed plate, the rotating assembly and the clamp assembly of the present invention;

[0025] Figure 6 For the present invention Figure 4 A magnified schematic diagram of center A.

[0026] In the figure: 1, base; 2, shell; 3, translation mechanism; 4, fixing plate; 5, clamp assembly; 6, sealing assembly; 7, lateral movement mechanism; 8, longitudinal movement mechanism; 9, rotating assembly; 10, knife seat; 11, blowing fan; 12, box cover; 13, exhaust fan; 14, filter; 21, opening; 22, storage slot; 23, cavity; 24, through hole; 61, baffle; 62, connecting plate; 63, slide bar; 64, slide block; 65, spring; 66, first pull rope; 67, limit block; 68, horizontal plate; 69, second pull rope; 610 , concave plate; 611, first pulley; 612, second pulley; 613, limiting ring; 101, dust collecting chamber; 102, first equipment chamber; 103, conical groove; 104, exhaust port; 105, air inlet; 106, collecting port; 91, gear ring; 92, gear; 93, turntable; 931, slide groove; 41, rotating groove; 42, equipment groove; 51, screw; 52, driving block; 53, vertical plate; 54, clamping plate; 55, rubber pad; 56, first motor; 57, active bevel gear; 58, driven bevel gear; 932, second equipment chamber. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] Embodiment 1

[0029] See also Figure 1-4 As shown, a CNC machine tool comprises a base 1, a shell 2 is fixedly installed at the rear upper end of the base 1, a lateral moving mechanism 7 is installed on the inner wall of the shell 2, a longitudinal moving mechanism 8 is installed on the lateral moving mechanism 7, a tool holder 10 is installed on the longitudinal moving mechanism 8, a translation mechanism 3 is installed on the upper end of the base 1, a fixed plate 4 is installed on the upper end of the translation mechanism 3, an opening 21 is opened at the front end of the shell 2, the translation mechanism 3 passes through the opening 21, a rotating assembly 9 is installed on the fixed plate 4, a clamp assembly 5 is installed on the rotating assembly 9, a sealing assembly 6 is installed on the top of the opening 21, a first equipment cavity 102 and a dust collecting cavity 101 distributed front and back are opened inside the base 1, a conical groove 103 is opened at the rear upper end of the base 1, and a conical groove 103 is formed between the bottom of the conical groove 103 and the dust collecting cavity 101 A collecting port 106 is commonly provided, an air inlet 105 is commonly provided between the dust collecting chamber 101 and the first equipment chamber 102, a filter screen 14 is fixedly installed in the air inlet 105, an exhaust port 104 is provided on the other side of the first equipment chamber 102, an exhaust fan 13 is fixedly installed on the first equipment chamber 102, the air inlet end of the exhaust fan 13 is fixedly connected to the air inlet 105, the exhaust end of the exhaust fan 13 is fixedly connected to the exhaust port 104, the exhaust fan 13 sucks the scattered wood chips into the dust collecting chamber 101 through the collecting port 106, blowing fans 11 are fixedly installed on the left and right inner walls of the outer shell 2, a cleaning port is provided on the other side of the dust collecting chamber 101, a box cover 12 is installed in the cleaning port, after the wood is clamped, the wood chips in the dust collecting chamber 101 can be cleaned through the cleaning port.

[0030] When in use, the wood is placed on the turntable 93, and the wood is clamped by the clamp assembly 5. Then the translation mechanism 3 drives the fixed plate 4 to enter the shell 2. When the fixed plate 4 enters the shell 2, the sealing assembly 6 seals the opening 21, and the wood chips flying in the wood processing process are sealed in the shell 2, which can effectively prevent the wood chips from flying disorderly during the processing and polluting the air quality in the processing workshop, and effectively ensure the air quality in the workshop. The knife holder 10 is driven to move by the horizontal moving mechanism 7 and the vertical moving mechanism 8, and the knife holder 10 drives the processing equipment to process the wood. During the processing, the blowing fan 11 and the exhaust fan 13 are started, and the blowing fan 11 blows away the wood chips generated by the processing, and the exhaust fan 13 sucks the scattered wood chips into the dust collecting chamber 101 through the collecting port 106, and then the wood chips in the dust collecting chamber 101 are cleaned out through the cleaning port.

[0031] Embodiment 2

[0032] See also Figure 4-6As shown, a rotating groove 41 is opened in the middle of the upper end of the fixed plate 4, and an equipment groove 42 is opened on one side of the inner wall of the rotating groove 41. The rotating component 9 includes a gear 92 and a turntable 93. The turntable 93 rotates in the rotating groove 41. A gear ring 91 is fixedly installed on the outer surface of the turntable 93. The gear 92 is rotatably connected in the equipment groove 42, and the gear 92 is meshed with the gear ring 91. A motor is fixedly installed at the bottom of the equipment groove 42, and the output end of the motor is fixedly connected to the gear 92.

[0033] When in use, the motor drives the gear 92 to rotate, the gear 92 drives the gear ring 91 to rotate, the gear ring 91 drives the turntable 93 to rotate, the turntable 93 drives the upper clamp assembly 5 to rotate, thereby driving the wood to rotate, realizing the self-rotation of the wood, accelerating the efficiency of wood processing, and improving the integrity of wood processing.

[0034] A plurality of slide grooves 931 are evenly provided at the upper end of the turntable 93, and a second equipment cavity 932 is provided in the middle of the turntable 93. The clamp assembly 5 includes a screw rod 51 and a first motor 56. The screw rod 51 is rotatably connected in the slide groove 931. One end of the screw rod 51 extends through the second equipment cavity 932 and is fixedly installed with a driven bevel gear 58. The first motor 56 is fixedly installed at the bottom of the turntable 93. The output end of the first motor 56 extends through the second equipment cavity 932 and is fixedly installed with a driving bevel gear 57. The driven bevel gear 58 and the driving bevel gear 57 are meshed. Restriction grooves are provided on both sides of the slide groove 931. The outer surface of the screw rod 51 is threadedly connected to a driving block 52. Restriction plates are fixedly installed on both sides of the driving block 52. The restriction plates slide in the restriction grooves. A vertical plate 53 is fixedly installed on the upper end of the driving block 52. A clamping plate 54 is fixedly installed on the side of the vertical plate 53 close to the middle of the upper end of the turntable 93. A rubber pad 55 is fixedly installed on the clamping plate 54.

[0035] When in use, the first motor 56 drives the active bevel gear 57 to rotate, the active bevel gear 57 drives the driven bevel gear 58 to rotate, the driven bevel gear 58 drives the screw 51 to rotate, the screw 51 drives the driving block 52 to slide in the slide groove 931, the driving block 52 drives the vertical plate 53 to move, the vertical plate 53 drives the clamping plate 54 to approach the wood, and the wood is clamped by the clamping plates 54 in multiple directions to avoid the movement of the wood during the processing, which affects the processing effect of the wood.

[0036] Embodiment 3

[0037] See also Figure 3-4As shown, a receiving groove 22 is provided at the top of the opening 21, and cavities 23 are provided inside the left and right ends of the receiving groove 22, and a through hole 24 communicating with the interior of the housing 2 is provided at the top of the cavity 23; the sealing assembly 6 includes a baffle 61, two first pulleys 611, two concave plates 610 and a second pulley 612, and connecting plates 62 are fixedly installed at the left and right ends of the baffle 61, and a slide bar 63 is fixedly installed on the upper end of the connecting plate 62, and the top of the slide bar 63 extends through and extends into the cavity 23 and is fixedly installed with a slider 64, which slides in the cavity 23, and a spring 65 is installed on the upper end of the slider 64, and a first pull rope 66 is fixedly installed on the upper end of the slider 64, and the spring 65 is sleeved on the outside of the first pull rope 66, and the two concave plates 610 are respectively fixed Installed on the left and right inner walls of the shell 2, the two first pulleys 611 are respectively fixedly installed on the upper left and right sides of the rear wall of the shell 2, and the limiting blocks 67 are slidably connected in the concave plate 610. A cross plate 68 is fixedly installed between the two limiting blocks 67, and a second pull rope 69 is fixedly installed at the bottom of the cross plate 68. The first pull rope 66 passes through the through hole 24 and the first pulley 611 and is fixedly connected to the top of the limiting block 67. The second pulley 612 is fixedly installed on the lower part of the rear wall of the shell 2, and the second pull rope 69 is fixedly installed on the lower end of the limiting block 67. The second pull rope 69 passes through the second pulley 612 and is fixedly connected to the rear end of the fixed plate 4. A number of limiting rings 613 are fixedly installed on the top of the left and right inner walls of the shell 2, and the first pull rope 66 passes through the limiting ring 613.

[0038] When in use, when the fixing plate 4 enters the interior of the shell 2 from the opening 21 driven by the translation mechanism 3, the slider 64 is squeezed downward under the action of the elastic force of the spring 65, the slider 64 drives the slide bar 63 to move downward, the slide bar 63 drives the connecting plate 62 to move downward, and the connecting plate 62 drives the baffle 61 to move downward from the bottom of the storage groove 22 to seal the opening 21. When the processing equipment processes the wood, the generated wood chips will not float out from the opening 21, which can effectively prevent the wood chips from flying disorderly during the processing process and polluting the air quality in the processing workshop.

[0039] A method for a numerically controlled machine tool, comprising the following steps:

[0040] Step 1: Place the wood on the turntable 93, the first motor 56 drives the active bevel gear 57 to rotate, the active bevel gear 57 drives the driven bevel gear 58 to rotate, the driven bevel gear 58 drives the screw 51 to rotate, the screw 51 drives the driving block 52 to slide in the slide groove 931, the driving block 52 drives the vertical plate 53 to move, the vertical plate 53 drives the clamping plate 54 to move, and the clamping plate 54 clamps the wood;

[0041] Step 2: The translation mechanism 3 drives the fixing plate 4 to enter the inner shell 2 from the opening 21. In the process of entering the inner shell 2, the fixing plate 4 presses the slider 64 under the action of the elastic force of the spring 65. The slider 64 drives the slide bar 63 to move downward. The slide bar 63 drives the connecting plate 62 to move downward. The connecting plate 62 drives the baffle 61 to slide out of the receiving groove 22 to seal the opening 21.

[0042] Step three: The knife holder 10 is driven to move by the lateral moving mechanism 7 and the longitudinal moving mechanism 8, and the knife holder 10 drives the processing equipment to process the wood. During the processing, the blowing fan 11 and the exhaust fan 13 are started, and the blowing fan 11 blows away the wood chips generated by the processing, and the exhaust fan 13 sucks the scattered wood chips into the dust collecting chamber 101 through the collecting port 106.

[0043] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A numerically controlled machine tool, comprising a base (1), characterized in that: A shell (2) is fixedly mounted on the rear upper end of the base (1); a transverse moving mechanism (7) is mounted on the inner wall of the shell (2); a longitudinal moving mechanism (8) is mounted on the transverse moving mechanism (7); a knife seat (10) is mounted on the longitudinal moving mechanism (8); a translation mechanism (3) is mounted on the upper end of the base (1); a fixing plate (4) is mounted on the upper end of the translation mechanism (3); an opening (21) is provided at the front end of the shell (2); the translation mechanism (3) passes through the opening (21); a rotating assembly (9) is mounted on the fixing plate (4); a clamp assembly (5) is mounted on the rotating assembly (9); a sealing assembly (6) is mounted on the top of the opening (21); and a first equipment cavity (102) and a second equipment cavity (103) are provided inside the base (1) and are arranged front and rear. A dust collecting chamber (101), a conical groove (103) is provided at the rear of the upper end of the base (1), a collecting port (106) is provided between the bottom of the conical groove (103) and the dust collecting chamber (101), an air inlet (105) is provided between the dust collecting chamber (101) and the first equipment chamber (102), a filter screen (14) is fixedly installed in the air inlet (105), an exhaust port (104) is provided on the other side of the first equipment chamber (102), an exhaust fan (13) is fixedly installed on the first equipment chamber (102), the air inlet end of the exhaust fan (13) is fixedly connected to the air inlet (105), the exhaust end of the exhaust fan (13) is fixedly connected to the exhaust port (104), and a blowing fan (11) is fixedly installed on the left and right inner walls of the housing (2).

2. A CNC machine tool according to claim 1, characterized in that: A rotation groove (41) is provided in the middle of the upper end of the fixing plate (4), and an equipment groove (42) is provided on one side of the inner wall of the rotation groove (41).

3. A CNC machine tool according to claim 2, characterized in that: The rotating assembly (9) comprises a gear (92) and a rotating disk (93); the rotating disk (93) rotates in the rotating groove (41); a gear ring (91) is fixedly mounted on the outer surface of the rotating disk (93); the gear (92) is rotatably connected in the equipment groove (42); the gear (92) meshes with the gear ring (91); a motor is fixedly mounted at the bottom of the equipment groove (42); and an output end of the motor is fixedly connected to the gear (92).

4. A CNC machine tool according to claim 3, characterized in that: A plurality of slide grooves (931) are evenly arranged at the upper end of the rotating disk (93), and a second equipment cavity (932) is arranged in the middle of the rotating disk (93).

5. A CNC machine tool according to claim 4, characterized in that: The clamp assembly (5) comprises a screw rod (51) and a first motor (56), wherein the screw rod (51) is rotatably connected in a slide groove (931), one end of the screw rod (51) extends through the second equipment cavity (932) and is fixedly mounted with a driven bevel gear (58), the first motor (56) is fixedly mounted at the bottom of the turntable (93), the output end of the first motor (56) extends through the second equipment cavity (932) and is fixedly mounted with a driving bevel gear (57), the driven bevel gear (58) 8) is meshed with the active bevel gear (57), limiting grooves are provided on both sides of the slide groove (931), a driving block (52) is threadedly connected to the outer surface of the screw rod (51), limiting plates are fixedly installed on both sides of the driving block (52), and the limiting plates slide in the limiting grooves, a vertical plate (53) is fixedly installed on the upper end of the driving block (52), a clamping plate (54) is fixedly installed on one side of the vertical plate (53) close to the middle part of the upper end of the rotating disk (93), and a rubber pad (55) is fixedly installed on the clamping plate (54).

6. A CNC machine tool according to claim 1, characterized in that: A cleaning port is provided on the other side of the dust collecting chamber (101), and a box cover (12) is installed in the cleaning port.

7. A CNC machine tool according to claim 1, characterized in that: A receiving groove (22) is provided at the top of the opening (21), cavities (23) are provided inside the left and right ends of the receiving groove (22), and a through hole (24) communicating with the inside of the housing (2) is provided at the top of the cavity (23).

8. A CNC machine tool according to claim 1, characterized in that: The sealing assembly (6) comprises a baffle (61), two first pulleys (611), two concave plates (610) and a second pulley (612). The left and right ends of the baffle (61) are fixedly mounted with connecting plates (62). The upper end of the connecting plate (62) is fixedly mounted with a sliding rod (63). The top of the sliding rod (63) extends through the cavity (23) and is fixedly mounted with a sliding block (64). The sliding block (64) slides in the cavity (23). The upper end of the sliding block (64) is mounted with a spring (65). The upper end of the sliding block (64) is fixedly mounted with a first pull rope (66). The spring (65) is sleeved on the outside of the first pull rope (66). The two concave plates (610) are respectively fixedly mounted on the left and right inner walls of the housing (2). The two first pulleys (611) are respectively fixedly mounted on the At the upper left and right sides of the rear wall of the shell (2), the concave plate (610) is slidably connected with a limiting block (67), a transverse plate (68) is fixedly installed between the two limiting blocks (67), a second pull rope (69) is fixedly installed at the bottom of the transverse plate (68), the first pull rope (66) passes through the through hole (24) and the first pulley (611) and is fixedly connected to the top of the limiting block (67), the second pulley (612) is fixedly installed at the lower part of the rear wall of the shell (2), the lower end of the limiting block (67) is fixedly installed with a second pull rope (69), the second pull rope (69) passes through the second pulley (612) and is fixedly connected to the rear end of the fixed plate (4), and a plurality of limiting rings (613) are fixedly installed at the top of the left and right inner walls of the shell (2), and the first pull rope (66) passes through the limiting rings (613).

9. A method for a numerically controlled machine tool, characterized in that, The following steps are involved: Step 1: placing the wood on the turntable (93), the first motor (56) drives the active bevel gear (57) to rotate, the active bevel gear (57) drives the driven bevel gear (58) to rotate, the driven bevel gear (58) drives the screw (51) to rotate, the screw (51) drives the driving block (52) to slide in the slide groove (931), the driving block (52) drives the vertical plate (53) to move, the vertical plate (53) drives the clamping plate (54) to move, and the clamping plate (54) clamps the wood; Step 2: The translation mechanism (3) drives the fixed plate (4) to enter the inner shell (2) from the opening (21). In the process of entering the inner shell (2), the fixed plate (4) presses the slider (64) under the action of the elastic force of the spring (65). The slider (64) drives the slide bar (63) to move downward. The slide bar (63) drives the connecting plate (62) to move downward. The connecting plate (62) drives the baffle plate (61) to slide out of the receiving groove (22) to seal the opening (21). Step 3: The knife holder (10) is driven to move by the lateral moving mechanism (7) and the longitudinal moving mechanism (8), and the knife holder (10) drives the processing equipment to process the wood. During the processing, the blowing fan (11) and the exhaust fan (13) are started, the blowing fan (11) blows away the wood chips generated by the processing, and the exhaust fan (13) sucks the scattered wood chips into the dust collecting chamber (101) through the collection port (106).

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