Sheet metal machining cutting device

Abstract

The invention discloses a sheet metal machining cutting device, and relates to the technical field of sheet metal machining, the sheet metal machining cutting device comprises a machining table, a protective door, a top cover and a control machine, the top cover is fixed above the machining table, a limiting mechanism is arranged in the machining table, and a bearing roller is fixed at the top end of the machining table; a temperature sensor is arranged on the right side of the humidity sensor, a dehumidifier is installed above the top cover, and a control machine is fixed to the side face of the top cover. According to the sheet metal machining cutting device, the limiting mechanism is arranged below the sheet metal part, the limiting mechanism is prevented from influencing cutting, the edge of the sheet metal part can be cut at will, the sheet metal parts of different shapes can be fixed, the position of the limiting mechanism is adjusted according to the size of the sheet metal part, and the situation that the cutting precision of a laser cutting machine is influenced by temperature and humidity is avoided; chippings are prevented from being accumulated on the central pipe, the chippings left on the sheet metal part and the bearing roller are prevented from being shaken off, and the chippings can be better cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of sheet metal processing, in particular to a sheet metal processing and cutting device. Background Art

[0002] Sheet metal parts are thin plate hardware parts that can be processed by stamping, bending, stretching and other means. Parts whose thickness remains unchanged during the processing process. When making sheet metal products, sheet metal parts need to be cut by cutting devices; For example, a Chinese invention patent with application announcement number CN118123260A discloses a cutting device for sheet metal processing, which includes a base, an operation box fixedly connected to the top of the base, a slide groove is provided on adjacent sides of the top of the operation box, a slider is slidably matched in the slide groove, a push assembly for driving the slider to move is provided in the slide groove, a cross plate is fixedly connected between adjacent sides of the slider, a moving groove is provided at the bottom of the cross plate, a moving block is slidably matched in the moving groove, a driving assembly for driving the moving block to move is provided in the moving groove, a laser cutting head body is provided at the bottom of the moving block, a limit assembly is provided below the laser cutting head body, a mounting hole is also provided on one side of the operation box, and a dust collection assembly is provided in the mounting hole; However, the existing sheet metal processing and cutting devices still have the following problems: In order to cut the sheet metal more accurately, the sheet metal is fixed by a limiting mechanism, but the limiting mechanism is set above the sheet metal part, clamping the sheet metal part, which is not convenient for cutting the edge of the sheet metal part, and cannot fix both rectangular sheet metal and curved sheet metal; Small pieces of debris will remain on the sheet metal, making it difficult to clean; Laser cutting machines are easily affected by the external environment. Temperature and humidity can cause cutting errors. Therefore, we propose a sheet metal processing and cutting device to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a sheet metal processing and cutting device to solve the problems of the existing sheet metal processing and cutting devices proposed in the above background technology. In order to cut the sheet metal more accurately, the sheet metal is fixed by a limiting mechanism, but the limiting mechanism is arranged above the sheet metal part and clamps the sheet metal part, which is not convenient for cutting the edge of the sheet metal part, and it is not possible to fix both the sheet metal with a rectangular structure and the sheet metal with an arc structure. A small part of the debris will remain on the sheet metal part, which is inconvenient to clean. The laser cutting machine is easily affected by the external environment, and the temperature and humidity will cause cutting errors.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solutions: a sheet metal processing and cutting device, comprising a processing table, a protective door, a top cover and a control machine; A top cover is fixed above the processing table, and a protective door is installed at the front end of the top cover through a hinge; An air suction pump is installed at the bottom end of the interior of the processing table, and the input end of the air suction pump is connected to a center tube through a pipeline, a connecting plate is installed on the right side of the center tube, the top end of the connecting plate is rotatably connected to a connecting rod, the end of the connecting rod away from the connecting plate is stuck in the arc groove of the round roller, and a supporting rod is fixed to the rear side of the round roller, a pulley is fixed to the rear side of the supporting rod, and a transmission belt is arranged on the outer side of the pulley, a fan is installed at the rear end of the top cover, and a pulley is fixed to the rear end of the fan, a limiting mechanism is arranged inside the processing table, and the limiting mechanism The fixed mechanism includes a rectangular block, a first electric telescopic rod, a mounting plate, a first motor, a connecting frame, a second motor, a suction cup, a connecting roller and an insertion rod, the first electric telescopic rod is fixed to the upper surface of the rectangular block, and the mounting plate is fixed to the output end of the first electric telescopic rod, the first motor is fixed to the outer side of the mounting plate, and the connecting frame is fixed to the output end of the first motor, the second motor is installed on the connecting frame, and the bottom end of the suction cup is fixed to the output end of the second motor, the connecting roller is fixed to the side of the rectangular block, and the insertion rods are fixed at equal intervals on the lower surface of the connecting roller; A receiving roller is fixed to the top of the processing table, and vertical rods are fixed at equal intervals on the lower surface of the receiving roller, a placing plate is placed above the processing table, a first motor is fixed to the rear side of the top of the processing table, a first screw is fixed to the output end of the first motor, and the outer end of the first screw is threadedly connected to the lower left end of the mounting frame, the mounting frame forms a front-and-rear sliding structure with the processing table through the first screw, a second motor is installed at the top of the mounting frame, and a second screw is fixed to the output end of the second motor, the outer end of the second screw is threadedly connected to a mounting box, and a cylinder is installed below the mounting box, a laser cutting machine is fixed to the output end of the cylinder, the mounting box forms a left-right sliding structure with the mounting frame through the second screw, second electric telescopic rods are fixed to the left and right ends inside the mounting frame, and an L-shaped rod is fixed to the output end of the second electric telescopic rod; A collection drawer is slidably installed inside the processing table, a humidity sensor is installed on the inner top wall of the top cover, a temperature sensor is arranged on the right side of the humidity sensor, a dehumidifier is installed above the top cover, and a control machine is fixed on the side of the top cover.

[0005] Preferably, the input end of the suction pump is connected to an absorption tube, and a control valve is installed inside the absorption tube, and the opening and closing of the absorption tube is controlled by the control valve.

[0006] Preferably, the central tube and the connecting plate are both rotatably mounted inside the processing table, and the rotation of the central tube can shake off the debris on the central tube.

[0007] Preferably, the suction cup is connected to the central tube via an elastic pipe, and the sheet metal part is fixed by the suction cup.

[0008] Preferably, the insertion rod and the vertical rod are connected by a snap-fit ​​connection, which facilitates the installation of the limiting mechanism.

[0009] Preferably, holes connected to the L-shaped rods are provided at equal intervals inside the placement plate, springs are fixed in the holes of the placement plate, side plates are fixed to the outer ends of the springs, and the arrangement of the springs enables the placement plate to vibrate.

[0010] Preferably, a filtering structure is provided at the inner bottom end of the collecting drawer, and the absorption tube is located below the collecting drawer, and the air is filtered by the filtering structure provided at the inner bottom end of the collecting drawer.

[0011] Preferably, receiving rollers are fixed at equal intervals inside the placement plate and on the top of the processing table, and the sheet metal parts are received by the receiving rollers.

[0012] Preferably, a ventilation plate is installed inside the protective door, and the arrangement of the ventilation plate facilitates heat dissipation.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the sheet metal processing and cutting device sets the limiting mechanism below the sheet metal part to avoid the limiting mechanism affecting the cutting, can arbitrarily cut the edge of the sheet metal part, can fix sheet metal parts of different shapes, adjust the position of the limiting mechanism according to the size of the sheet metal part, avoid the temperature and humidity affecting the cutting accuracy of the laser cutting machine, avoid the accumulation of debris on the central tube, shake off the debris left on the sheet metal part and the receiving roller, and can better clean the debris; 1. Receiver rollers are installed at equal intervals in the processing table, and vertical rods are installed at equal intervals on the receiver rollers, so that the vertical rods are evenly distributed in the processing table. The insertion rods in the limiting mechanism are connected with the vertical rods by snapping. The limiting mechanism is installed by selecting the vertical rods at the appropriate position, and the position of the limiting mechanism can be adjusted according to the size of the sheet metal part; Place the sheet metal on the receiving roller, start the first electric telescopic rod, the first electric telescopic rod drives the suction cup to rise, the suction cup fits the sheet metal, start the suction pump, suck the sheet metal by negative pressure, set the limiting mechanism under the sheet metal to avoid the limiting mechanism affecting the cutting, and can cut the edge of the sheet metal at will; The first motor and the second motor drive the suction cup to rotate forward, backward, left and right, so that the suction cup can fit the curved surface of the sheet metal part with the curved structure, which is convenient for fixing the sheet metal part with the curved structure and can fix sheet metal parts of different shapes; 2. Humidity sensors and temperature sensors monitor the temperature and humidity of the cutting environment, and adjust the temperature and humidity of the cutting environment through fans, dehumidifiers and control machines to prevent temperature and humidity from affecting the cutting accuracy of the laser cutting machine; 3. During the rotation of the fan, the center tube is driven to rotate back and forth through the connecting rod, connecting plate, round roller, support rod, pulley and transmission belt, thereby shaking the center tube to prevent debris from accumulating on the center tube; After the second electric telescopic rod drives the L-shaped rod to be inserted into the interior of the placement plate, the first motor and the first screw drive the mounting frame, the second electric telescopic rod, the L-shaped rod and the placement plate to move backward, so that the placement plate hits the top cover, the spring expands and contracts, the placement plate, the receiving rollers on the placement plate and the sheet metal parts vibrate, and the debris left on the sheet metal parts and the receiving rollers falls off, which can better clean the debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the first axial side structure of the present invention; Figure 2 It is a schematic diagram of the structure of the mechanism defined in the present invention; Figure 3 It is a schematic diagram of the first axial side section structure of the present invention; Figure 4 It is a schematic diagram of the second axial side section structure of the present invention; Figure 5 This is a schematic diagram of the connection structure between the connecting rod and the round roller of the present invention; Figure 6 It is a schematic diagram of the third axial side section structure of the present invention; Figure 7 It is a schematic diagram of the connection structure between the placing plate and the receiving roller of the present invention; Figure 8 This is a schematic diagram of the cross-section structure of the mounting frame of the present invention; Fig. 9 It is a schematic diagram of the connection structure between the spring and the placement plate of the present invention.

[0015] In the figure: 1, processing table; 2, protective door; 3, top cover; 4, suction pump; 5, central tube; 6, connecting rod; 7, connecting plate; 8, round roller; 9, supporting rod; 10, pulley; 11, transmission belt; 12, fan; 13, limiting mechanism; 1301, rectangular block; 1302, first electric telescopic rod; 1303, mounting plate; 1304, first motor; 1305, connecting frame; 1306, second motor; 1307, suction cup; 1308, connecting roller; 1309, plug rod; 14, receiving roller; 15, vertical rod; 16, placement plate; 17, first motor; 18, first screw; 19, mounting frame; 20, second motor; 21, second screw; 22, mounting box; 23, cylinder; 24, laser cutting machine; 25, second electric telescopic rod; 26, L-shaped rod; 27, collection drawer; 28, humidity sensor; 29, temperature sensor; 30, dehumidifier; 31, control machine; 32, absorption tube; 33, ventilation plate; 34, spring; 35, side panel. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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.

[0017] Example 1: Please refer to Figure 1-Figure 6 In order to cut the sheet metal more accurately, the existing sheet metal processing and cutting device fixes the sheet metal through a limiting mechanism 13, but the limiting mechanism 13 is arranged above the sheet metal part, clamping the sheet metal part, which is not convenient for cutting the edge of the sheet metal part, and cannot fix both the sheet metal of the rectangular structure and the sheet metal of the arc structure. In order to solve this technical problem, this embodiment discloses the following technical content; A sheet metal processing and cutting device, a top cover 3 is fixed above a processing table 1, and a protective door 2 is installed at the front end of the top cover 3 through a hinge, an air pump 4 is installed at the bottom end of the processing table 1, and the input end of the air pump 4 is connected to a central tube 5 through a pipeline, a limiting mechanism 13 is arranged inside the processing table 1, and the limiting mechanism 13 includes a rectangular block 1301, a first electric telescopic rod 1302, a mounting plate 1303, a first motor 1304, a connecting frame 1305, a second motor 1306, a suction cup 1307, a connecting roller 1308 and an insertion rod 1309, and the upper surface of the rectangular block 1301 is fixed with the first electric telescopic rod 1302 , and a mounting plate 1303 is fixed to the output end of the first electric telescopic rod 1302, a first motor 1304 is fixed to the outer side of the mounting plate 1303, and a connecting frame 1305 is fixed to the output end of the first motor 1304, a second motor 1306 is installed on the connecting frame 1305, and the bottom end of the suction cup 1307 is fixed to the output end of the second motor 1306, a connecting roller 1308 is fixed to the side of the rectangular block 1301, and insertion rods 1309 are fixed to the lower surface of the connecting roller 1308 at equal intervals, the suction cup 1307 is connected to the central tube 5 through an elastic pipe, and the connection method of the insertion rod 1309 and the vertical rod 15 is a snap-fit ​​connection; A receiving roller 14 is fixed to the top of the processing table 1, and vertical rods 15 are fixed to the lower surface of the receiving roller 14 at equal intervals. A placing plate 16 is placed above the processing table 1, and a first motor 17 is fixed to the rear side of the top of the processing table 1. A first screw 18 is fixed to the output end of the first motor 17, and the outer end of the first screw 18 is threadedly connected to the lower left end of the mounting frame 19, and the mounting frame 19 forms a front-to-back sliding structure with the processing table 1 through the first screw 18. A second motor 20 is installed at the top of the mounting frame 19, and a second screw 21 is fixed to the output end of the second motor 20, and the outer end of the second screw 21 is threadedly connected to the mounting box 22, and a cylinder 23 is installed below the mounting box 22, and a laser cutting machine 24 is fixed to the output end of the cylinder 23, and the mounting box 22 forms a left-right sliding structure with the mounting frame 19 through the second screw 21; When it is necessary to cut a sheet metal part with a rectangular structure, the protective door 2 is opened, the position of the limiting mechanism 13 is adjusted according to the size of the sheet metal part, and after the installation position of the limiting mechanism 13 is selected, the insertion rod 1309 in the limiting mechanism 13 is inserted into the selected vertical rod 15, the limiting mechanism 13 is installed, and the sheet metal part is placed on the receiving roller 14 of the placement plate 16, and the first electric telescopic rod 1302 is opened, and the first electric telescopic rod 1302 raises the suction cup 1307 so that the suction cup 1307 fits with the sheet metal part, and the suction pump 4 is started. Under the action of the suction pump 4, the suction cup 1307 sucks the sheet metal part, thereby fixing the sheet metal part and not blocking the edge of the sheet metal part; When it is necessary to fix the sheet metal with an arc structure, the first motor 1304 and the second motor 1306 are turned on, the first motor 1304 can drive the suction cup 1307 to rotate forward and backward, and the second motor 1306 drives the suction cup 1307 to rotate left and right, so that the suction cup 1307 fits the arc surface of the sheet metal, and the sheet metal is sucked by the suction cup 1307 under the action of the suction pump 4; A collection drawer 27 is slidably installed inside the processing table 1, an absorption pipe 32 is connected to the input end of the suction pump 4, a control valve is installed inside the absorption pipe 32, a filtering structure is provided at the bottom end of the collection drawer 27, and the absorption pipe 32 is located below the collection drawer 27; After fixing the sheet metal, turn on the first motor 17, the first motor 17 drives the first screw 18 to rotate, and the mounting frame 19 threadedly connected to the first screw 18 moves forward and backward, turn on the second motor 20, the second motor 20 drives the second screw 21 to rotate, and the mounting box 22 threadedly connected to the second screw 21 moves left and right, so that the laser cutting machine 24 moves forward and backward and left and right, the cylinder 23 drives the laser cutting machine 24 to rise and fall, the sheet metal is cut by the laser cutting machine 24, and the cut debris passes through the gap between the receiving rollers 14 and the receiving rollers 14 and falls into the inside of the collecting drawer 27, when the suction pump 4 is started, the control valve inside the absorption tube 32 is opened, the absorption tube 32 will absorb part of the debris, and the air is filtered through the filter structure at the bottom of the collecting drawer 27, and the filtered air passes through the collecting drawer 27; Embodiment 2: The technical content disclosed in this embodiment is a further improvement on the above embodiment 1. In the existing sheet metal processing and cutting device, a small part of the cut debris will remain on the sheet metal part or fall on the parts on the collection drawer 27. In order to further solve this technical problem, this embodiment discloses the following technical content, such as Figure 1 , Figure 3 , Figure 4 , Figure 6 , Figure 7-Figure 9 As shown; A connecting plate 7 is installed on the right side of the central tube 5, and a connecting rod 6 is rotatably connected to the top of the connecting plate 7. One end of the connecting rod 6 away from the connecting plate 7 is stuck in the arc groove of the round roller 8, and a support rod 9 is fixed to the rear side of the round roller 8, and a pulley 10 is fixed to the rear side of the support rod 9, and a transmission belt 11 is arranged on the outer side of the pulley 10, a fan 12 is installed at the rear end of the top cover 3, and a pulley 10 is fixed to the rear end of the fan 12, the central tube 5 and the connecting plate 7 are both rotatably installed inside the processing table 1, and the second electric telescopic rod 25 is fixed to the left and right ends of the inside of the mounting frame 19, and an L-shaped rod 26 is fixed to the output end of the second electric telescopic rod 25, and holes connected to the L-shaped rod 26 are opened at equal intervals inside the placement plate 16, and a spring 34 is fixed in the hole of the placement plate 16, and a side plate 35 is fixed to the outer end of the spring 34; When the fan 12 is started to dissipate heat, the blades in the fan 12 rotate while the round roller 8, the support rod 9, the pulley 10 and the conveyor belt 11 rotate, and the heat-exchanged air flows out from the inside of the ventilation plate 33. As the round roller 8 rotates, the connecting rod 6 in the arc groove of the round roller 8 moves back and forth, and the connecting plate 7 and the central tube 5 rotate with the center line of the central tube 5 as the center of the circle, so that the central tube 5 reciprocates and rotates back and forth, thereby shaking off the debris on the central tube 5; After cutting, the first motor 17 drives the first screw 18 to rotate, moves the L-shaped rod 26 on the mounting frame 19 to align with the hole on the placement plate 16, and then opens the second electric telescopic rod 25, and the second electric telescopic rod 25 drives the L-shaped rod 26 to insert into the inside of the placement plate 16. The length dimension of the bottom end of the L-shaped rod 26 is smaller than the length dimension of the hole inside the placement plate 16. The first motor 17 and the first screw 18 drive the mounting frame 19 to move backward, and the placement plate 16 moves backward. When the placement plate 16 collides with the top cover 3, the spring 34 expands and contracts, and the side plate 35 moves forward and backward, so that the receiving roller 14, the placement plate 16 and the cut sheet metal parts vibrate, thereby shaking off the debris on the sheet metal parts, and the debris falls into the inside of the collection drawer 27. The collection drawer 27 is slid forward, and the collection drawer 27 and the debris can be taken out; Embodiment 3: In the existing sheet metal processing and cutting device, the laser cutting machine 24 is easily affected by the external environment. Temperature and humidity can cause cutting errors. In order to solve this technical problem, this embodiment discloses the following technical content, please refer to Figure 1 , Figure 3 and Figure 4 ; A fan 12 is installed at the rear end of the top cover 3, a humidity sensor 28 is installed on the inner top wall of the top cover 3, a temperature sensor 29 is arranged on the right side of the humidity sensor 28, a dehumidifier 30 is installed above the top cover 3, a control machine 31 is fixed on the side of the top cover 3, and a ventilation plate 33 is installed inside the protective door 2; The temperature and humidity of the cutting environment formed by the processing table 1, the protective door 2 and the top cover 3 are monitored by the humidity sensor 28 and the temperature sensor 29. The humidity sensor 28 and the temperature sensor 29 transmit the information to the control machine 31. When the temperature is too high and needs to be dissipated, the fan 12 is started. When the humidity is too high, the dehumidifier 30 is started to avoid the influence of temperature and humidity on the cutting accuracy. The above completes a series of operations of the sheet metal processing and cutting device. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0018] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0019] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sheet metal processing and cutting device, comprising a processing table (1), a protective door (2), a top cover (3), and a control machine (31), characterized in that: A top cover (3) is fixed above the processing table (1), and a protective door (2) is installed at the front end of the top cover (3) via a hinge; An air suction pump (4) is installed at the bottom end of the interior of the processing table (1), and the input end of the air suction pump (4) is connected to a central tube (5) through a pipeline. A connecting plate (7) is installed on the right side of the central tube (5). The top end of the connecting plate (7) is rotatably connected to a connecting rod (6). The end of the connecting rod (6) away from the connecting plate (7) is inserted into the arc groove of the round roller (8). A support rod (9) is fixed to the rear side of the round roller (8). A pulley (10) is fixed to the rear side of the support rod (9), and a conveyor belt (11) is arranged on the outer side of the pulley (10). A fan (12) is installed at the rear end of the top cover (3), and the pulley (10) is fixed to the rear end of the fan (12). A limiting mechanism (13) is arranged inside the processing table (1), and the limiting mechanism (13) comprises a rectangular block (1301), a first electric telescopic rod (1302), and a mounting plate (1303). 03), a first motor (1304), a connecting frame (1305), a second motor (1306), a suction cup (1307), a connecting roller (1308) and an insertion rod (1309), the upper surface of the rectangular block (1301) is fixed with a first electric telescopic rod (1302), and the output end of the first electric telescopic rod (1302) is fixed with a mounting plate (1303), the outer side surface of the mounting plate (1303) is fixed with a first motor (1304), and the output end of the first motor (1304) is fixed with a connecting frame (1305), the connecting frame (1305) is installed with a second motor (1306), and the output end of the second motor (1306) is fixed with the bottom end of a suction cup (1307), the side surface of the rectangular block (1301) is fixed with a connecting roller (1308), and the lower surface of the connecting roller (1308) is fixed with insertion rods (1309) at equal intervals; A receiving roller (14) is fixed to the top of the processing table (1), and vertical rods (15) are fixed to the lower surface of the receiving roller (14) at equal intervals. A placement plate (16) is placed above the processing table (1). A first motor (17) is fixed to the rear side of the top of the processing table (1). A first screw rod (18) is fixed to the output end of the first motor (17), and the outer end of the first screw rod (18) is threadedly connected to the lower left end of a mounting frame (19). The mounting frame (19) forms a front-rear sliding structure with the processing table (1) through the first screw rod (18). The top of the mounting frame (19) is equipped with a first screw rod (18). Two motors (20), and a second screw rod (21) is fixed to the output end of the second motor (20), the outer end of the second screw rod (21) is threadedly connected to a mounting box (22), and a cylinder (23) is installed below the mounting box (22), and a laser cutting machine (24) is fixed to the output end of the cylinder (23), the mounting box (22) and the mounting frame (19) form a left-right sliding structure through the second screw rod (21), and second electric telescopic rods (25) are fixed to the left and right ends of the mounting frame (19), and an L-shaped rod (26) is fixed to the output end of the second electric telescopic rod (25); A collecting drawer (27) is slidably mounted inside the processing table (1), a humidity sensor (28) is mounted on the inner top wall of the top cover (3), a temperature sensor (29) is arranged on the right side of the humidity sensor (28), a dehumidifier (30) is mounted above the top cover (3), and a control machine (31) is fixed to the side of the top cover (3).

2. A sheet metal processing and cutting device according to claim 1, characterized in that: The input end of the air suction pump (4) is connected to an absorption tube (32), and a control valve is installed inside the absorption tube (32).

3. The sheet metal processing and cutting device according to claim 1, characterized in that: The central tube (5) and the connecting plate (7) are both rotatably mounted inside the processing table (1).

4. The sheet metal processing and cutting device according to claim 1, characterized in that: The suction cup (1307) is connected to the central tube (5) via an elastic pipe.

5. The sheet metal processing and cutting device according to claim 1, characterized in that: The insertion rod (1309) and the vertical rod (15) are connected in a snap-fit ​​connection.

6. The sheet metal processing and cutting device according to claim 1, characterized in that: Holes connected to the L-shaped rods (26) are provided at equal intervals inside the placement plate (16), a spring (34) is fixed in the hole of the placement plate (16), and a side plate (35) is fixed to the outer end of the spring (34).

7. The sheet metal processing and cutting device according to claim 2, characterized in that: A filtering structure is provided at the inner bottom end of the collecting drawer (27), and the absorption tube (32) is located below the collecting drawer (27).

8. The sheet metal processing and cutting device according to claim 1, characterized in that: Support rollers (14) are fixed at equal intervals inside the placement plate (16) and on the top of the processing table (1).

9. The sheet metal processing and cutting device according to claim 1, characterized in that: A ventilation plate (33) is installed inside the protective door (2).

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