Air door device for dust removal system of cutting machine and laser cutting equipment

Abstract

According to the air door device for the dust removal system of the cutting machine and the laser cutting equipment, the air inducing cover with the air inducing cavity is arranged, the air inducing cover is provided with the first air opening used for being communicated with a negative pressure air channel and the second air opening used for sucking smoke dust, and the air door assembly is arranged at the second air opening in a sliding mode through the air door frame; when a plurality of cutting machine dust removal systems share a common rail or a combined rail and share the negative pressure air duct for negative pressure suction dust removal, the driving assembly can drive the air door assembly to displace so as to adaptively adjust the size of the opening and closing area of the second air opening, so that the air pressure and the air volume of dust removal of the cutting machine dust removal systems keep good consistency; and the efficiency and the effect of negative-pressure suction dust removal can be improved. In addition, when one cutting machine dust removal system stops working or breaks down, only the corresponding air door assembly needs to be driven by the corresponding driving assembly to close the second air opening of the corresponding air door device, and dust removal air pressure and air volume losses of other cutting machine dust removal systems are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser cutting dust removal, and in particular relates to a damper device for a cutting machine dust removal system and laser cutting equipment. Background Art

[0002] CNC gantry fiber laser cutting equipment produces enormous amounts of smoke and dust during the cutting process, which not only causes significant damage to the environment but also has a significant impact on the health of workers. Currently, cutting machine dust removal systems are generally used to remove the smoke and dust generated by cutting through negative pressure air ducts. However, when multiple cutting machine dust removal systems share a common track or a common negative pressure air duct, the damper device of the cutting machine dust removal system cannot adjust the air outlet size. Not only does this result in inconsistent air pressure and air volume across the multiple cutting machine dust removal systems, but if one cutting machine dust removal system stops operating or malfunctions, there will be a loss of dust removal air pressure and air volume, affecting the dust removal effectiveness of the remaining cutting machine dust removal systems. Utility Model Content

[0003] Based on the above-mentioned problems existing in the prior art, the purpose of the embodiment of the present utility model is to provide a damper device for a cutting machine dust removal system to solve the problem in the prior art that when multiple cutting machine dust removal systems share a common rail or a common negative pressure air duct, the damper device of the cutting machine dust removal system cannot adjust the size of the air outlet, resulting in the wind pressure and air volume of the multiple cutting machine dust removal systems being unable to remain consistent.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a damper device for a dust removal system of a cutting machine, wherein the damper device for a dust removal system of a cutting machine is characterized in that it comprises:

[0005] An air induced hood is provided with an air induced cavity inside, a first air port is provided at the bottom of the air induced hood for communicating with a negative pressure air duct of a dust removal system of the cutting machine, a second air port is provided at the side of the air induced hood for extracting smoke and dust, the first air port and the second air port are respectively communicated with the air induced cavity;

[0006] The damper frame is arranged at a position on the induced draft hood corresponding to the second air outlet.

[0007] a damper assembly slidably disposed on the damper frame; and

[0008] A drive assembly is used to drive the damper assembly to move on the damper frame to adaptively adjust the size of the opening and closing area of the second air outlet. The drive assembly is arranged on the damper frame and / or the air hood, and the drive assembly is connected to the damper assembly.

[0009] Further, the driving assembly includes a cylinder disposed on the air door frame and / or the air draft hood, and a pneumatic induction check valve for controlling the cylinder to push and pull the air door assembly to a preset position. The piston rod of the cylinder is connected to the air door assembly.

[0010] Further, the driving assembly further includes a displacement sensor for detecting the moving position of the air door assembly, and a controller for controlling the pneumatic induction check valve according to the position information fed back by the displacement sensor. The controller is electrically connected to the pneumatic induction check valve and the displacement sensor.

[0011] Further, the driving assembly further includes a solenoid valve for controlling the piston rod of the cylinder to extend or retract. The solenoid valve is electrically connected to the controller.

[0012] Further, the air draft chamber is an arc-shaped chamber, and a plurality of sector-shaped partitions are arranged in the arc-shaped chamber to divide the arc-shaped chamber into a plurality of chambers.

[0013] Further, the air door device for the cutting machine dust removal system further includes a housing for accommodating the air draft hood, a belt for covering the top opening of the negative pressure air duct to seal the negative pressure air duct, and a roller shaft for the belt to wind around the housing. Roller shafts are respectively arranged at four corners of the housing adjacent to the air door frame, and the central axis of the roller shaft is perpendicular to the plane where the air door frame is located.

[0014] Further, a notch is provided on the housing for the belt to wind around the four roller shafts in sequence. The air door device for the cutting machine dust removal system further includes a top cover detachably covering the notch and a fastener for tightly connecting the top cover to the housing.

[0015] Further, the top cover is provided with a first bolt, a second bolt, and a first bracket for mating connection with the cutting machine dust removal system. The first bracket is provided with a first waist-shaped hole with an extending direction perpendicular to the moving direction of the air door assembly and a second waist-shaped hole with an extending direction parallel to the moving direction of the air door assembly. The first bolt passes through the first waist-shaped hole to fix the first bracket to the top cover, and the second bolt passes through the first waist-shaped hole to fix the first bracket to the laser cutting device.

[0016] Further, the air door assembly includes an air door body slidably disposed on the air door frame, a second bracket connecting the air door body to the driving assembly, and a grille net disposed on the air door frame.

[0017] Another object of the embodiments of the present utility model is to provide a laser cutting device including the air damper device for the dust removal system of a cutting machine provided in any of the above embodiments, so as to solve the technical problem in the prior art that when multiple cutting machine dust removal systems share a common rail or parallel rail and a negative pressure air duct, since the air damper device of the cutting machine dust removal system cannot adjust the size of the air outlet, the air pressure and air volume of dust removal of multiple cutting machine dust removal systems cannot be kept consistent.

[0018] To achieve the above object, the technical solution adopted by the present utility model is: to provide a laser cutting device including the air damper device for the dust removal system of a cutting machine provided in any of the above embodiments.

[0019] One or more of the above technical solutions in the embodiments of the present utility model, compared with the prior art, have at least one of the following beneficial effects:

[0020] In the air damper device for the dust removal system of a cutting machine and the laser cutting device in the embodiments of the present utility model, by providing an air guiding cover with an air guiding cavity, a first air outlet for communicating with the negative pressure air duct of the dust removal system of the cutting machine is provided at the bottom of the air guiding cover, and a second air outlet for sucking dust is provided at the side of the air guiding cover. The air damper assembly is slidably arranged at the second air outlet through an air damper frame. When multiple cutting machine dust removal systems share a common rail or parallel rail and a negative pressure air duct for negative pressure suction dust removal, the air damper assembly can be driven by a driving component to displace so as to adaptively adjust the opening area of the second air outlet, so that the air pressure and air volume of dust removal of multiple cutting machine dust removal systems are kept in good consistency, which is beneficial to improving the efficiency and effect of negative pressure suction dust removal. In addition, when a cutting machine dust removal system stops working or fails, only need to drive the corresponding air damper assembly through the corresponding driving component to close the second air outlet of the air damper device of the cutting machine dust removal system that stops working or fails, avoiding the loss of air pressure and air volume of dust removal of the remaining cutting machine dust removal systems, and thus not affecting the dust removal effect of the remaining cutting machine dust removal systems. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a three-dimensional structure schematic diagram of the air damper device for the dust removal system of a cutting machine provided by the embodiment of the present utility model;

[0023] Figure 2 It is another three-dimensional structure schematic diagram of the air damper device for the dust removal system of a cutting machine provided by the embodiment of the present utility model;

[0024] Figure 3 Exploded view of the housing and the top cover provided by the embodiment of the present utility model;

[0025] Figure 4 Schematic perspective view of the air guide hood provided by the embodiment of the present utility model;

[0026] Figure 5 Exploded view of the air damper device for the dust removal system of the cutting machine provided by the embodiment of the present utility model;

[0027] Figure 6 Schematic perspective view of the negative pressure air duct provided by the embodiment of the present utility model;

[0028] Figure 7 Schematic perspective view of the common rail or parallel rail sharing of the negative pressure air duct by multiple cutting machine dust removal systems in the embodiment of the present utility model.

[0029] Among them, the reference numerals in the figure:

[0030] 1 - air guide hood; 11 - air guide cavity; 12 - first air outlet; 13 - second air outlet; 14 - sector partition;

[0031] 2 - air damper frame;

[0032] 3 - air damper assembly; 31 - air damper body; 32 - second bracket; 33 - grille;

[0033] 4 - drive assembly; 41 - cylinder;

[0034] 5 - housing; 51 - notch;

[0035] 6 - belt; 7 - roller;

[0036] 8 - negative pressure air duct; 81 - open top

[0037] 9 - first bracket; 91 - first waist-shaped hole; 92 - second waist-shaped hole;

[0038] 10 - top cover; 20 - fastener; 30 - first bolt. Detailed implementation manners

[0039] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0040] It should be noted that when an element is referred to as "connected to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, the terms "first", "second", "third" and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third" and "fourth" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality of" is two or more unless otherwise specifically defined. In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] Reference throughout the specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the phrases "in one embodiment", "in some embodiments", or "in some of these embodiments" appearing throughout the specification are not necessarily all referring to the same embodiment. Additionally, in one or more embodiments, the specific features, structures, or characteristics may be combined in any suitable manner.

[0042] Please refer to Figures 1 to 7 , and now an air damper device for a dust removal system of a cutting machine provided by an embodiment of the present utility model will be described. Please further refer to Figure 1 , Figure 2 and Figure 3, the air damper device for the dust removal system of the cutting machine provided by the embodiment of the present utility model includes an air suction hood 1, an air damper frame 2, an air damper assembly 3 and a driving assembly 4. An air suction cavity 11 for introducing the dust generated by cutting into the negative pressure air duct 8 is arranged inside the air suction hood 1. A first air outlet 12 for communicating with the negative pressure air duct 8 of the cutting machine dust removal system is arranged at the bottom of the air suction hood 1. A second air outlet 13 for sucking dust is arranged at the side of the air suction hood 1. The first air outlet 12 and the second air outlet 13 are respectively communicated with the air suction cavity 11, and a suction fan is connected to the negative pressure air duct 8. The air damper frame 2 is arranged at the position corresponding to the second air outlet 13 on the air suction hood 1. The air damper assembly 3 can be slidably arranged on the air damper frame 2 through a linear slide rail mechanism. The driving assembly 4 is arranged on the air suction hood 1, and the driving assembly 4 is connected to the air damper assembly 3. The driving assembly 4 can drive the air damper assembly 3 to move up and down on the air damper frame 2 so that the air damper assembly 3 displaces relative to the air damper frame 2 to adaptively adjust the opening and closing area of the second air outlet 13. It should be noted that the driving assembly 4 can also be arranged on the air damper frame 2, or the driving assembly 4 can be arranged on both the air suction hood 1 and the air damper frame 2, as long as the driving assembly 4 can drive the air damper assembly 3 to move up and down on the air damper frame 2. Please refer to Figure 6 and Figure 7 . During use, multiple cutting machine dust removal systems are arranged in common rail or parallel rail on the same rectangular negative pressure air duct 8. Each cutting machine dust removal system is equipped with the above-mentioned air damper device for the cutting machine dust removal system. When multiple cutting machine dust removal systems are in common rail or parallel rail and share the negative pressure air duct 8 for negative pressure suction dust removal, the driving assembly 4 can be used to drive the air damper assembly 3 to displace so as to adaptively adjust the opening and closing area of the second air outlet 13, so that the air pressure and air volume of the dust removal of multiple cutting machine dust removal systems are kept in good consistency, which is beneficial to improving the efficiency and effect of negative pressure suction dust removal.

[0043] The air damper device for the dust removal system of the cutting machine provided by the embodiment of the present utility model, compared with the prior art, by providing an air draft hood 1 with an air draft cavity 11, a first air outlet 12 for communicating with the negative pressure air duct 8 of the dust removal system of the cutting machine is provided at the bottom of the air draft hood 1, and a second air outlet 13 for sucking dust is provided at the side of the air draft hood 1. The air damper assembly 3 is slidably arranged at the second air outlet 13 through the air damper frame 2. When multiple cutting machine dust removal systems share the negative pressure air duct 8 in a common rail or parallel rail manner for negative pressure suction dust removal, the air damper assembly 3 can be driven by the driving assembly 4 to displace so as to adaptively adjust the opening area of the second air outlet 13, so that the air pressure and air volume of the dust removal of multiple cutting machine dust removal systems are kept in good consistency, which is beneficial to improving the efficiency and effect of negative pressure suction dust removal. In addition, when a cutting machine dust removal system stops working or breaks down, only need to drive the corresponding air damper assembly 3 through the corresponding driving assembly 4 to close the second air outlet 13 of the air damper device of the cutting machine dust removal system that stops working or breaks down, avoiding the loss of the dust removal air pressure and air volume of the remaining cutting machine dust removal systems, and thus will not affect the dust removal effect of the remaining cutting machine dust removal systems.

[0044] Please refer to Figure 1 , Figure 3 and Figure 5 , in some of the embodiments, the driving assembly 4 includes at least one cylinder 41 arranged on the air draft hood 1 and a pneumatic pilot check valve for controlling the cylinder 41 to push and pull the air damper assembly 3 to a preset position. The piston rod of the cylinder 41 is connected to the air damper assembly 3. It should be noted that the cylinder block of the cylinder 41 can not only be fixedly arranged on the air draft hood, but also the cylinder block of the cylinder 41 can be arranged on the air damper frame 2, and the cylinder block of the cylinder 41 can also be arranged on the air draft hood 1 and the air damper frame 2 at the same time, only need to make the cylinder 41 can drive the air damper assembly 3 to move up and down on the air damper frame 2. In this embodiment, two cylinders 41 are provided, and the two cylinders 41 are respectively located on both sides of the air damper frame. The distance that the piston rods of the two cylinders 41 extend can be controlled by the pneumatic pilot check valve, so that the cylinder 41 can stably drive the air damper assembly 3 to move up and down on the air damper frame 2, and can enable the air damper assembly 3 to stay at any position to achieve the purpose of adaptively adjusting the opening area of the second air outlet 13.

[0045] Understandably, in some of these embodiments, in order to further improve the accuracy of the driving component 4 in driving the position movement of the air damper component 3, the driving component 4 further includes a displacement sensor for detecting the movement position of the air damper component 3 and a controller for controlling the pneumatic induced check valve according to the position information fed back by the displacement sensor. The controller is electrically connected to the pneumatic induced check valve and the displacement sensor. Specifically, when the displacement sensor detects that the air damper component 3 moves to a predetermined position, the controller controls the pneumatic induced check valve to operate, so that the cylinder 41 drives the air damper component 3 to stay at the predetermined position, so that the opening and closing area of the second air outlet 13 meets the usage requirements.

[0046] Understandably, in some of these embodiments, the driving component 4 further includes a solenoid valve for controlling the piston rod of the cylinder 41 to extend or retract, and the solenoid valve is electrically connected to the controller.

[0047] Please refer to Figure 3 、 Figure 4 and Figure 5 In some of these embodiments, the air guiding cavity 11 is an arc-shaped cavity, which can reduce the air resistance and enable the negative pressure air flow to be carried more smoothly into the negative pressure channel by the air guiding cavity 11, thus facilitating the improvement of the dust removal efficiency and effect. A plurality of fan-shaped partitions 14 are arranged in the arc-shaped cavity to divide the arc-shaped cavity into multiple chambers, so as to prevent the generation of eddy currents in the air guiding cavity 11, resulting in the dust carried by the negative pressure air flow not being quickly introduced into the negative pressure channel by the air guiding cavity 11.

[0048] Please refer to Figure 2 、 Figure 3 and Figure 5 In some of these embodiments, the air damper device for the cutting machine dust removal system further includes a housing 5 for accommodating the air guiding cover 1, a belt 6 for covering the top opening 81 of the negative pressure air duct 8 to close the negative pressure air duct 8, and a roller shaft 7 for the belt 6 to be wound around the housing 5. Roller shafts 7 are respectively arranged at the four corners of the housing 5 near the air damper frame 2, and the central axis of the roller shaft 7 is perpendicular to the plane where the air damper frame 2 is located. In this embodiment, by winding the belt 6 around the roller shaft 7 on the housing 5, the entire air damper device for the cutting machine dust removal system can be guided by the belt 6 to move along the length direction of the negative pressure air duct 8 for position adjustment. In addition, multiple air damper devices for the cutting machine dust removal system can be guided by the same belt 6 to move along the length direction of the negative pressure air duct 8 for position adjustment.

[0049] Please refer to Figure 2 、 Figure 3 and Figure 5, in some embodiments, in order to make the installation of the belt 6 more convenient and fast, a notch 51 for winding the belt 6 around the four rollers 7 in sequence is provided on the housing 5. The air damper device for the cutting machine dust removal system further includes a top cover 10 detachably covering the notch 51 and a fastener 20 for firmly connecting the top cover 10 to the housing 5.

[0050] Please refer to Figure 1 , Figure 2 and Figure 3 , in some embodiments, in order to facilitate the adaptive adjustment of the installation position of the air damper device for the cutting machine dust removal system and the cutting machine dust removal system, the top cover 10 is provided with a first bolt 30, a second bolt, and a first bracket 9 for mating connection with the cutting machine dust removal system. The first bracket 9 is provided with a first waist-shaped hole 91 whose extending direction is perpendicular to the moving direction of the air damper assembly 3 and a second waist-shaped hole 92 whose extending direction is parallel to the moving direction of the air damper assembly 3. The first bolt 30 passes through the first waist-shaped hole 91 to fix the first bracket 9 to the top cover 10, and the second bolt passes through the first waist-shaped hole 91 to fix the first bracket 9 to the laser cutting device.

[0051] Please refer to Figure 1 , Figure 3 and Figure 5 , in some embodiments, the air damper assembly 3 includes an air damper body 31 slidably arranged on the air damper frame 2, a second bracket 32 connecting the air damper body 31 to the driving assembly 4, and a grille 33 arranged on the air damper frame 2, wherein a grille 33 is provided at the second air outlet 13, and larger foreign objects can be blocked by the grille 33 from being sucked into the air induction cavity 11 by negative pressure. It can be understood that the air damper body 31 can be slidably arranged on the air damper frame 2 through a linear slide rail mechanism, and the air damper body 31 can also be slidably arranged on the air damper frame 2 through a sliding mechanism of a chute and a slider.

[0052] The present utility model also provides a laser cutting device, which includes the air damper device for the cutting machine dust removal system in any of the above embodiments. Since the laser cutting device has the same technical features as the air damper device for the cutting machine dust removal system in any of the above embodiments, the laser cutting device has the same technical effects as the air damper device for the cutting machine dust removal system in any of the above embodiments, and will not be elaborated herein.

[0053] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An air damper device for a dust removal system of a cutting machine, characterized in that, Comprising: An air guiding hood with an air guiding cavity inside. A first air outlet for communicating with the negative pressure air duct of the dust removal system of the cutting machine is provided at the bottom of the air guiding hood, and a second air outlet for sucking dust is provided at the side of the air guiding hood. The first air outlet and the second air outlet are respectively communicated with the air guiding cavity; A damper frame is arranged at the position corresponding to the second air outlet on the air guiding hood, A damper assembly is slidably arranged on the damper frame; And A driving assembly for driving the damper assembly to displace on the damper frame to adaptively adjust the opening area of the second air outlet; the driving assembly is arranged on the damper frame and / or the air guiding hood, and the driving assembly is connected to the damper assembly.

2. The air damper device for the dust removal system of the cutting machine according to claim 1, wherein The driving assembly includes a cylinder arranged on the damper frame and / or the air guiding hood and a pneumatic induction check valve for controlling the cylinder to push and pull the damper assembly to a preset position. The piston rod of the cylinder is connected to the damper assembly.

3. The air damper device for the dust removal system of the cutting machine according to claim 2, characterized in that, The driving assembly further includes a displacement sensor for detecting the moving position of the damper assembly and a controller for controlling the pneumatic induction check valve according to the position information fed back by the displacement sensor. The controller is electrically connected to the pneumatic induction check valve and the displacement sensor.

4. The air damper device for the dust removal system of a cutting machine according to claim 3, wherein, The driving assembly further includes a solenoid valve for controlling the piston rod of the cylinder to extend or retract. The solenoid valve is electrically connected to the controller.

5. The air damper device for the dust removal system of a cutting machine according to claim 1, wherein, The air guiding cavity is an arc-shaped cavity, and a plurality of fan-shaped partitions are arranged in the arc-shaped cavity to divide the arc-shaped cavity into multiple chambers.

6. The air damper device for the dust removal system of the cutting machine according to claim 1, characterized in that, The damper device for the cutting machine dust removal system further includes a housing for accommodating the air guiding hood, a belt for covering the top opening of the negative pressure air duct to seal the negative pressure air duct, and a roller shaft for the belt to wind around the housing. Roller shafts are respectively arranged at four corners of the housing adjacent to the damper frame, and the central axis of the roller shaft is perpendicular to the plane where the damper frame is located.

7. The air damper device for the dust removal system of the cutting machine according to claim 6, characterized in that, A notch for winding the belt around the four roller shafts in sequence is provided on the housing. The damper device for the cutting machine dust removal system further includes a top cover detachably covering the notch and a fastener for tightly connecting the top cover to the housing.

8. The air damper device for the dust removal system of the cutting machine according to claim 7, characterized in that, The top cover is provided with a first bolt, a second bolt and a first bracket for mating connection with the cutting machine dust removal system. The first bracket is provided with a first waist-shaped hole with an extending direction perpendicular to the moving direction of the damper assembly and a second waist-shaped hole with an extending direction parallel to the moving direction of the damper assembly. The first bolt passes through the first waist-shaped hole to fix the first bracket to the top cover, and the second bolt passes through the first waist-shaped hole to fix the first bracket to the laser cutting equipment.

9. The air damper device for the dust removal system of a cutting machine according to any one of claims 1 to 8, characterized in that, The damper assembly includes a damper body slidably arranged on the damper frame, a second bracket connecting the damper body to the driving assembly, and a grille net arranged on the damper frame.

10. A laser cutting device, characterized in that, Including the damper device for the cutting machine dust removal system according to any one of claims 1 to 9.

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