A plate cutting device for ventilation duct processing

Abstract

The utility model relates to a kind of plate cutting equipment for ventilation duct processing, it is characterized by, including cutting table, cutting table is equipped with rack, horizontal relative movement can be generated between the rack and cutting table, the rack is connected with laser cutting head, the rack both sides are equipped with symmetrical pressing device, the pressing device includes two mutually mirror image setting's pressing mechanism, the pressing mechanism is used to the plate placed in cutting table is pressed tightly, to prevent plate deviation, the pressing mechanism is located at the rack both sides, and horizontal relative movement can be generated between the rack.

Description

Technical Field

[0001] This utility model relates to the field of ventilation duct processing technology, specifically to a plate cutting device for ventilation duct processing. Background Technology

[0002] Ventilation ducts are pipes used for air circulation, primarily in the ventilation of industrial and civil buildings, or in air conditioning systems for transporting air. Ventilation ducts are constructed by welding together multiple pipe bodies, which in turn are welded together from multiple sheet metal plates. Therefore, during processing, the sheet metal plates must first be cut to the appropriate dimensions using cutting equipment.

[0003] For example, Chinese patent document CN222386167U discloses a pre-oiling device for laser cutting of plates, including a laser cutting mechanism, a pre-oiling mechanism, the pre-oiling mechanism being fixedly connected to the front of the laser cutting mechanism, and a sealing control mechanism being fixedly connected inside the pre-oiling mechanism. The laser cutting mechanism includes a laser cutting frame, a movable cutting frame being fixedly connected inside the laser cutting frame, and a cutter being fixedly connected to the surface of the movable cutting frame. The pre-oiling mechanism includes an electric pre-oiling can, the electric pre-oiling can being fixedly connected to the front of the cutter, an oiling pipe being connected to the bottom of the electric pre-oiling can, and a transmission box being fixedly connected to the surface of the oiling pipe.

[0004] In the above technical solution, the pre-oiling mechanism can apply oil along the cutting path before cutting to improve the cross-sectional quality of subsequent laser cutting. However, during the oiling and cutting process, the plate is mainly prevented from shifting by its own positive pressure when placed on the cutting table. Some plates are thin, which can easily cause shifting during the coating and cutting process, thus affecting the cutting quality of the plate. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a plate cutting device for ventilation duct processing, which can keep the plate stable during the cutting process.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a plate cutting device for processing ventilation ducts, including a cutting table, a frame on the cutting table, and horizontal relative movement between the frame and the cutting table. A laser cutting head is connected to the frame, and symmetrical clamping devices are provided on both sides of the frame. Each clamping device includes two clamping mechanisms arranged in mirror image to clamp the plate placed on the cutting table to prevent the plate from shifting. The clamping mechanisms are located on both sides of the frame and can move horizontally relative to the frame.

[0007] The present invention is further configured such that: the clamping mechanism includes a connecting plate, the outer side of the connecting plate extends downward as a connecting part, a driving cylinder is fixed on the connecting part, a pressure block is provided above the connecting plate, one end of the pressure block is rotatably connected to the output end of the driving cylinder, and the other end extends toward the cutting table as a clamping end, the clamping end is a planar structure on the side facing the cutting table, a connecting flange is fixed on the surface of the connecting plate, a connecting arm is provided between the pressure block and the connecting flange, one end of the connecting arm is rotatably connected to the pressure block, and the other end is rotatably connected to the connecting flange, the pressure block extends and retracts through the output end of the driving cylinder to move closer to or away from the cutting table.

[0008] The present invention is further configured such that: two symmetrically arranged slide rails are provided below the connecting plate; a first slider is fixed at the bottom of the connecting plate; the first slider can be coupled with the slide rails to form a sliding fit between the two; a rack is provided on the outer side of the cutting table; a first motor is fixed at the connecting part; a first gear is fixed at the output end of the first motor; the first gear meshes with the rack and can form a transmission fit between the two.

[0009] The present invention is further configured such that: a second slider is fixed below the end of the frame, the second slider can be coupled with the slide rail and form a sliding fit between the two; a second motor is provided on the outer side of the end of the frame, and a second gear is fixed at the output end of the second motor; the second gear meshes with the rack and can form a transmission fit between the two.

[0010] The present invention is further configured such that: the connecting part is provided with a support part integrally formed with the connecting part, the support part is perpendicular to the connecting part, and the support part is used to support and lift the drive cylinder.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] Because of the clamping mechanism, the plate is clamped before cutting, which can prevent the plate from shifting during cutting. Therefore, it effectively solves the technical problem of plate shifting when cutting thin plates in the prior art, thus ensuring cutting accuracy. Furthermore, the horizontal movement of the clamping mechanism can adjust the relative position between the clamping mechanism and the plate to be cut, making it easier to clamp plates of different lengths. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model (I);

[0014] Figure 2 This is a schematic diagram of the overall structure of the present invention (II);

[0015] Figure 3This is a partially enlarged structural diagram of part A of this utility model. Detailed Implementation

[0016] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] like Figures 1 to 3 As shown, this utility model discloses a plate cutting device for processing ventilation ducts, including a cutting table 1, a frame 2 on the cutting table 1, and horizontal relative movement between the frame 2 and the cutting table 1. A laser cutting head 3, which can move horizontally along the frame 2, is connected to the frame 2. Thus, through the horizontal movement of the frame 2 and the laser cutting head 3, the laser cutting head 3 can perform multi-axis movement to facilitate cutting the plate. Furthermore, symmetrical clamping devices are provided on both sides of the frame 2. Each clamping device includes two mirror-image clamping mechanisms used to clamp the plate placed on the cutting table 1 to prevent the plate from shifting during cutting. The clamping mechanisms are located on both sides of the frame 2 and can move horizontally relative to the frame 2. Thus, through the horizontal movement of the clamping mechanisms, the relative position between the clamping mechanisms and the plate to be cut can be adjusted, facilitating the clamping of plates of different lengths.

[0019] In this embodiment, the specific structure of the clamping mechanism includes a connecting plate 41, with the outer side of the connecting plate 41 extending downward as a connecting part 411. The connecting part 411 is fixed to the drive cylinder 42 by bolts. A pressure block 43 is provided above the connecting plate 41. One end of the pressure block 43 is hinged to the output end of the drive cylinder 42 by a pin, and the other end extends towards the cutting table 1 to form a clamping end 431. The side of the clamping end 431 near the cutting table 1 of the frame 2 has a planar structure to facilitate full contact with the surface of the sheet metal and improve the stability of clamping the sheet metal.

[0020] In addition, a connecting flange 44 is fixed to the surface of the connecting plate 41 by welding or bolts, and the pressure block 43 is connected to the connecting flange 44 by a connecting arm 45. One end of the connecting arm 45 is hinged to the middle of the pressure block 43 by a pin, and the other end is hinged to the connecting flange 44. When the drive cylinder 42 extends or retracts, the pressure block 43 swings around the pivot point, causing the pressing end 431 to press down or lift up, so as to move closer to or away from the cutting table 1, thereby achieving the pressing or releasing of the plate.

[0021] In this embodiment, the horizontal movement of the clamping mechanism is achieved by having two symmetrically arranged slide rails 5 below the connecting plate 41, a first slider 6 fixed to the bottom of the connecting plate 41, the first slider 6 being coupled to the slide rails 5 to form a sliding fit between them, a rack 7 on the outer side of the cutting table 1, a first motor 8 fixed to the connecting part 411, and a first gear fixed to the output end of the first motor 8, the first gear meshing with the rack 7 to form a transmission fit between them. The first motor 8 drives the first gear to rotate, causing the connecting plate 41 to move horizontally along the slide rails 5, thereby adjusting the position of the clamping mechanism.

[0022] Furthermore, the structure for horizontal movement of the frame 2 is as follows: a second slider 10 is fixed below the end of the frame 2. The second slider 10 can couple with the slide rail 5, forming a sliding engagement between the two. A second motor 11 is provided on the outer side of the end of the frame 2. A second gear is fixed at the output end of the second motor 11. The second gear meshes with the rack 7, forming a transmission engagement between the two. By driving the second gear to rotate through the second motor 11, the frame 2 can be moved along the slide rail 5, enabling the laser cutting head 3 to complete the transverse feed cutting action. It can also share the same slide rail 5 with the moving structure of the clamping mechanism, thus reducing overall assembly costs and improving assembly convenience. It should also be noted that the structure for horizontal movement of the laser cutting head 3 along the frame 2 is the same as the structure for horizontal movement of the clamping mechanism; therefore, it will not be described in detail to avoid repetition.

[0023] In this embodiment, a support portion 412 is integrally formed with the connecting portion 411. The support portion 412 is perpendicular to the connecting portion 411, forming an L-shaped structure. After the drive cylinder 42 is fixed to the connecting portion 411, the bottom of the drive cylinder 42 can contact the support portion 412. In this way, the support portion 412 can support and lift the drive cylinder 42, avoiding excessive vibration caused by the drive cylinder 42 being suspended in the air, and improving the stability of the drive cylinder 42 installation.

[0024] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A sheet metal cutting device for processing ventilation ducts, characterized in that, The device includes a cutting table, on which a frame is mounted. The frame and the cutting table are capable of horizontal relative movement. A laser cutting head is connected to the frame. Symmetrical clamping devices are provided on both sides of the frame. Each clamping device includes two clamping mechanisms arranged in mirror image to clamp the sheet metal placed on the cutting table to prevent the sheet metal from shifting. The clamping mechanisms are located on both sides of the frame and are capable of horizontal relative movement with the frame.

2. The plate cutting equipment for processing ventilation ducts according to claim 1, characterized in that, The clamping mechanism includes a connecting plate, with the outer side of the connecting plate extending downward as a connecting part. A driving cylinder is fixed on the connecting part. A pressure block is provided above the connecting plate. One end of the pressure block is rotatably connected to the output end of the driving cylinder, and the other end extends towards the cutting table as a clamping end. The clamping end is a planar structure on the side facing the cutting table. A connecting flange is fixed on the surface of the connecting plate. A connecting arm is provided between the pressure block and the connecting flange. One end of the connecting arm is rotatably connected to the pressure block, and the other end is rotatably connected to the connecting flange. The pressure block extends and retracts through the output end of the driving cylinder to move closer to or away from the cutting table.

3. The plate cutting equipment for processing ventilation ducts according to claim 2, characterized in that, The connecting plate has two symmetrically arranged slide rails below it. A first slider is fixed to the bottom of the connecting plate. The first slider can be coupled with the slide rails to form a sliding fit between them. A rack is provided on the outer side of the cutting table. A first motor is fixed to the connecting part. A first gear is fixed to the output end of the first motor. The first gear meshes with the rack and can form a transmission fit between them.

4. The plate cutting equipment for processing ventilation ducts according to claim 3, characterized in that, A second slider is fixed below the end of the frame. The second slider can be coupled with the slide rail and form a sliding fit between the two. A second motor is provided on the outer side of the end of the frame. A second gear is fixed at the output end of the second motor. The second gear meshes with the rack and can form a transmission fit between the two.

5. A plate cutting device for processing ventilation ducts according to claim 2 or 3, characterized in that, The connecting part is provided with a support part integrally formed with the connecting part. The support part is perpendicular to the connecting part and is used to support and lift the drive cylinder.

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