Cutting device of metal plate forming machine

Abstract

The utility model discloses a cutting device of a sheet metal forming machine, which belongs to the technical field of sheet metal processing and comprises a frame, a cutting groove is formed on the frame, a cutting blade is rotatably arranged in the cutting groove, two conveying parts used for horizontally conveying sheet metal are symmetrically arranged on the frame, and the cutting blade is rotatably arranged on the frame. The conveying part comprises a bottom frame arranged on the rack, a first belt wheel assembly, a top frame and a second belt wheel assembly arranged on the top frame, the first belt wheel assembly and the top frame are both arranged on the bottom frame, an air suction cover arranged outside the cutting blade in a covering mode is arranged on the rack in a sliding mode, and a collecting box and a fixing pipe which communicate with each other are arranged on the rack; a filter screen is arranged in the collecting box, a fan is arranged on the collecting box, the free end of the fixing pipe is communicated with a corrugated pipe, and the free end of the corrugated pipe extends into the air suction cover and is of a conical structure expanding outwards.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing technology, specifically a cutting device for a sheet metal forming machine. Background Technology

[0002] Sheet metal processing is a comprehensive cold working process for thin metal sheets, including shearing, punching / cutting / combined cutting, bending, welding, riveting, splicing, and forming. Products processed by sheet metal processing are called sheet metal parts. In the sheet metal processing process, thin metal sheets need to be cut. In the existing technology, the thin metal sheets are cut by high-speed rotating blades. During the cutting process, flying metal debris will cover the cutting path. When the blade touches the covered metal debris, it may deviate, thus affecting the cutting accuracy.

[0003] Existing patent CN220388790U discloses a cutting device for sheet metal processing. When cutting sheet metal workpieces, a dust collection device is activated when the sliding seat moves. The dust collection device can generate suction from the dust collection hood. The dust collection hood can cover the cutting path on both sides of the cutting machine, thereby sucking away the metal debris generated during cutting and preventing the metal debris from covering the cutting movement path and affecting the cutting accuracy.

[0004] The above-mentioned patent has certain defects: since the dust hood is only located on both sides of the cutting machine, it may not be able to completely cover the debris splashed at the front of the cutting path, resulting in some debris remaining on the cutting path. At the same time, the position of the dust hood is fixed and cannot change with the cutting depth, resulting in poor cleaning effect on debris. Therefore, a cutting device for a sheet metal forming machine is proposed. Utility Model Content

[0005] The purpose of this utility model is to solve the technical problems that, since the dust hood is only located on both sides of the cutting machine, it may not be able to completely cover the debris splashing at the front of the cutting path, resulting in some debris remaining on the cutting path. At the same time, the position of the dust hood is fixed and cannot change with the cutting depth, resulting in poor cleaning effect of debris. This utility model provides a cutting device for a sheet metal forming machine.

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] A cutting device for a sheet metal forming machine includes a frame with a cutting groove. A cutting blade is rotatably disposed within the cutting groove. Two conveying components, each for horizontally conveying thin metal sheets, are symmetrically disposed on the frame. Each conveying component includes a base frame mounted on the frame, a first pulley assembly and a top frame mounted on the base frame, and a second pulley assembly mounted on the top frame. An air suction hood covering the cutting blade is slidably disposed on the frame. A collection box and a fixed pipe are connected on the frame. A filter screen is disposed inside the collection box, and a fan is disposed on the collection box. A corrugated pipe is connected to the free end of the fixed pipe, and the free end of the corrugated pipe extends into the air suction hood and is constructed in an outwardly expanding conical shape.

[0008] Furthermore, the frame is rotatably equipped with positive and negative lead screws, and the two base frames are slidably mounted on the frame and respectively threaded into the positive and negative thread sections of the positive and negative lead screws.

[0009] Furthermore, the top frame is slidably mounted on the base frame, and a lifting frame is slidably mounted on the frame, with both top frames slidingly engaged with the lifting frame.

[0010] Furthermore, multiple guide wheels are rotatably provided on opposite sides of both base frames.

[0011] Furthermore, the bottom of the air intake hood is provided with multiple rollers for rotation.

[0012] Furthermore, two guide blocks, both constructed in a triangular shape, are spaced apart on one side of the air intake hood.

[0013] Furthermore, the collection box is connected to a discharge pipe, and both the fixed pipe and the discharge pipe are equipped with valves. The free end of the discharge pipe is detachably equipped with a collection cylinder.

[0014] Furthermore, the outer surface of the discharge pipe is constructed with a threaded groove, and a screw cylinder that is threadedly engaged with the threaded groove is movably sleeved on the collection cylinder.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the metal sheet is horizontally conveyed by two conveying components, the metal sheet is cut by the cutting blade, and the metal debris splashed on the cutting path is completely covered by the suction hood to prevent the metal debris from covering the cutting path and to prevent the cutting blade from deviating due to contact with the covered metal debris, thus ensuring the cutting accuracy. At the same time, the position of the suction hood can be changed and is not affected by the change in cutting depth, ensuring the cleaning effect of metal debris, thus making it more practical. Attached Figure Description

[0016] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0017] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a three-dimensional sectional view of the present invention;

[0019] Figure 4 This utility model Figure 3 Enlarged view of point B in the middle;

[0020] Figure 5 This utility model Figure 3 Enlarged view of point C in the middle;

[0021] Figure 6 This utility model Figure 3 Enlarged view at point D;

[0022] Figure 7 This is a three-dimensional view of part of the structure of this utility model.

[0023] In the diagram: 1. Frame; 2. Cutting groove; 3. Cutting blade; 4. Base frame; 5. First pulley assembly; 6. Top frame; 7. Second pulley assembly; 8. Suction hood; 9. Collection box; 10. Fixed pipe; 11. Filter screen; 12. Fan; 13. Corrugated pipe; 14. Positive and negative lead screws; 15. Lifting frame; 16. Guide wheel; 17. Roller; 18. Guide block; 19. Discharge pipe; 20. Valve; 21. Collection cylinder; 22. Screw barrel. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0025] This embodiment provides a cutting device for a sheet metal forming machine, mainly used to solve the technical problems of poor debris removal due to the dust hood being located only on both sides of the cutting machine, which may not be able to completely cover the debris splashing at the front of the cutting path, resulting in some debris remaining on the cutting path. Furthermore, the dust hood's fixed position cannot change with the cutting depth, leading to poor debris removal. The following technical solution is provided, which will be discussed in conjunction with... Figures 1-7 Please provide a detailed explanation:

[0026] A cutting device for a sheet metal forming machine includes a frame 1 with a cutting groove 2. A cutting blade 3 is rotatably mounted in the cutting groove 2, with the axis of the cutting blade 3 being horizontal. Two conveying components, both for horizontally conveying thin metal sheets, are symmetrically arranged on the frame 1. Each conveying component includes a base frame 4 mounted on the frame 1, a first pulley assembly 5 and a top frame 6 mounted on the base frame 4, and a second pulley assembly 7 mounted on the top frame 6. The first pulley assembly 5 and the second pulley assembly 7 have the same structure, each including two pulleys and a connecting belt. The connecting belt is sleeved on the two pulleys. The two pulleys of the first pulley assembly 5 are rotatably mounted on the base frame 4, and the two pulleys of the second pulley assembly 7 are rotatably mounted on the top frame 6. The second pulley assembly 7 and the first pulley assembly 5 are spaced vertically apart, forming a conveying channel for the thin metal sheet to pass through. The bottom surface of the thin metal sheet contacts the first pulley assembly 5, and the top surface contacts the second pulley assembly 7. In actual use, the sheet can be conveyed horizontally. Motors are installed on the base frame 4 and the top frame 6 respectively. The output shaft of the motor on the base frame 4 is connected to one of the pulleys of the first pulley assembly 5, and the output shaft of the motor on the top frame 6 is connected to one of the pulleys of the second pulley assembly 7. The two motors work synchronously, and their output shafts rotate synchronously in opposite directions, thereby driving the first pulley assembly 5 and the second pulley assembly 7 to operate synchronously in opposite directions. An air suction hood 8 is slidably mounted on the frame 1, covering the outside of the cutting blade 3. The air suction hood 8 slides vertically. A collection box 9 and a fixed pipe 10 are connected on the frame 1. Both the collection box 9 and the fixed pipe 10 are fixed on the frame 1. A filter screen 11 is installed inside the collection box 9. The filter screen 11 is horizontal and fixed inside the collection box 9. The connection between the fixed pipe 10 and the collection box 9 is located below the filter screen 11. A fan 12 is installed on the collection box 9. The fan 12 is fixed on the collection box 9. The free end of the fixed pipe 10 is connected to a corrugated pipe 13. The free end of the corrugated pipe 13 extends into the air intake hood 8 and is constructed in an outwardly expanding cone shape.

[0027] In the initial state, the suction hood 8 is in its initial position and in contact with the frame 1 due to gravity. During use, the suction hood 8 is slid upwards to its limit position, and the metal sheet is placed horizontally on the frame 1 and enters the conveying channel. The bottom surface of the metal sheet contacts the two first pulley assemblies 5, and the top surface contacts the two second pulley assemblies 7. Then, the suction hood 8 is released, and it slides downwards due to gravity to approach its initial position and is close to the top surface of the metal sheet. The suction hood 8 covers the cutting blade 3. Afterwards, the first pulley assemblies 5 and the second pulley assemblies 7 are driven... 7. Synchronous reverse operation, horizontally conveying the metal sheet. During the conveying process, the cutting blade 3 is driven to rotate, and the metal sheet is cut by the cutting blade 3. At the same time, the fan 12 is activated to generate suction. The metal debris that splashes during cutting will enter the corrugated pipe 13, the fixed pipe 10 and the collection box 9 in sequence. The metal debris is intercepted by the filter screen 11 and kept in the collection box 9 to prevent the metal debris from covering the cutting path and to prevent the cutting blade 3 from deviating due to contact with the covered metal debris, thus ensuring the cutting accuracy.

[0028] In summary, when in use, this application uses two conveying components to horizontally convey the metal sheet, cuts the metal sheet with the cutting blade 3, and completely covers the metal debris splashing on the cutting path with the suction hood 8 to prevent the metal debris from covering the cutting path and to prevent the cutting blade 3 from deviating due to contact with the covered metal debris, thus ensuring cutting accuracy. At the same time, the position of the suction hood 8 can be changed and is not affected by changes in cutting depth, ensuring the cleaning effect of metal debris, thus making it more practical.

[0029] like Figure 2 As shown, in this embodiment, a positive and negative lead screw 14 is rotatably mounted on the frame 1. The positive and negative lead screw 14 is in a horizontal direction. A drive motor with an output shaft connected to the positive and negative lead screw 14 is fixed on the frame 1. Two base frames 4 are slidably mounted on the frame 1 and are threadedly engaged with the positive and negative thread sections of the positive and negative lead screw 14 respectively. The base frames 4 slide in the horizontal direction.

[0030] Referring to the above, when in use, the drive motor is turned on, the output shaft rotates forward, and the positive and negative lead screws 14 rotate together. The two base frames 4 slide synchronously in opposite directions to move closer to each other due to the action of the positive and negative threads. Conversely, when the output shaft of the drive motor rotates in reverse, it drives the positive and negative lead screws 14 to rotate together. The two base frames 4 slide synchronously in opposite directions to move further away from each other due to the action of the positive and negative threads. This adjusts the distance between the two conveying channels to accommodate metal sheets of different widths, improving the flexibility and applicability of use.

[0031] like Figures 1-2As shown, in this embodiment, the top frame 6 is slidably mounted on the base frame 4, and the top frame 6 is slidably mounted on the base frame 4 in the vertical direction. The lifting frame 15 is slidably mounted on the frame 1, and the lifting frame 15 slides in the vertical direction. A cylinder push rod in the vertical direction is fixedly mounted on the frame 1, and the movable end of the cylinder push rod is fixedly connected to the lifting frame 15. Both top frames 6 are slidably engaged with the lifting frame 15, and the top frames 6 and the lifting frame 15 are slidably engaged in the horizontal direction.

[0032] Referring to the above, in the initial state, the movable end of the cylinder push rod extends, and the lifting frame 15 and the two top frames 6 are both in the initial position. The top frames 6 are close to the base frame 4, and the height of the conveying channel is relatively small. In use, the movable end of the cylinder push rod can be retracted to drive the lifting frame 15 to slide upward to the limit position. The two base frames 4 slide upward together and move away from the two base frames 4 respectively, increasing the height of the two conveying channels. This allows for synchronous adjustment of the height of the two conveying channels to accommodate metal sheets of different thicknesses, further improving the flexibility and applicability of use. When the two base frames 4 slide in opposite directions synchronously, the two top frames 6 slide in cooperation with the lifting frame 15 in the horizontal direction.

[0033] like Figure 2 As shown, in this embodiment, multiple guide wheels 16 are rotatably provided on opposite sides of the two base frames 4, and the multiple guide wheels 16 are arranged in a vertical direction and distributed in an array along the horizontal direction.

[0034] Referring to the above, when conveying the metal sheet horizontally, the opposite sides of the metal sheet are made to roll and overlap with multiple guide wheels 16 on the two base frames 4. The guide wheels 16 can reduce the friction experienced by the metal sheet during its movement, thereby making the conveying of the metal sheet smoother.

[0035] like Figure 4 As shown, in this embodiment, the bottom of the air intake hood 8 is provided with multiple rollers 17, all of which are horizontal and evenly distributed.

[0036] Referring to the above, in the initial state, the suction hood 8 is located in the initial position, and multiple rollers 17 are rolling and overlapping with the frame 1. When the suction hood 8 is close to the metal sheet, multiple rollers 17 are rolling and overlapping with the top surface of the metal sheet, thereby further reducing the friction experienced by the metal sheet during movement, and also avoiding scratches caused by direct contact between the suction hood 8 and the metal sheet.

[0037] like Figure 7 As shown, in this embodiment, two guide blocks 18, both of which are triangular in shape, are provided at intervals on one side of the air intake hood 8, and the guide blocks 18 are fixed on the air intake hood 8.

[0038] Referring to the above, when the metal sheet is placed horizontally on the frame 1 and enters the conveying channel, one end of the metal sheet abuts against the inclined surfaces of the two guide blocks 18. During the movement of the metal sheet, the suction hood 8 is forced to slide upward through the transition effect of the inclined surfaces, so that the operator does not need to manually drive the suction hood 8 to slide upward, making it more convenient to use.

[0039] like Figures 3-6 As shown, in this embodiment, the collection box 9 is connected to the discharge pipe 19, and both the fixed pipe 10 and the discharge pipe 19 are equipped with valves 20. The free end of the discharge pipe 19 is detachably equipped with a collection cylinder 21.

[0040] Referring to the above, in the initial state, valve 20 on the discharge pipe 19 is closed and valve 20 on the fixed pipe 10 is open. After cutting, valve 20 on the fixed pipe 10 is closed and valve 20 on the discharge pipe 19 is opened, causing the fan 12 to work and generate blowing force. The blowing force backwashes the filter screen 11, cleaning the metal debris attached to the filter screen 11. At the same time, the metal debris in the collection box 9 will enter the collection cylinder 21 through the discharge pipe 19. Finally, the collection cylinder 21 is disassembled, and the metal debris in the collection cylinder 21 is poured out to facilitate metal debris processing. After that, the collection cylinder 21 is reinstalled, valve 20 on the discharge pipe 19 is closed, and valve 20 on the fixed pipe 10 is opened.

[0041] like Figure 6 As shown, in this embodiment, the outer surface of the discharge pipe 19 is constructed with a threaded groove, and the collection cylinder 21 is movably sleeved with a screw cylinder 22 that is threadedly engaged with the threaded groove.

[0042] Referring to the above, in the initial state, the free end of the collecting cylinder 21 abuts against the free end of the discharge pipe 19, and the screw cylinder 22 is in the extreme position and is threadedly engaged with the threaded groove, that is, the collecting cylinder 21 is in the installation state. When it is necessary to disassemble the collecting cylinder 21, the screw cylinder 22 is rotated in the opposite direction to the initial position, the screw cylinder 22 moves away from the threaded groove, and the collecting cylinder 21 can then move away from the discharge pipe 19.

[0043] The working process of this utility model is as follows: The suction hood 8 is slid upward to its limit position, the metal sheet is placed horizontally on the frame 1 and enters the conveying channel. The bottom surface of the metal sheet contacts the two first pulley assemblies 5, and the top surface contacts the two second pulley assemblies 7. Then the suction hood 8 is released, and the suction hood 8 slides downward to its initial position due to gravity and is close to the top surface of the metal sheet. The suction hood 8 covers the outside of the cutting blade 3. Then the first pulley assembly 5 and the second pulley assembly 7 are driven to operate synchronously in opposite directions to convey the metal sheet horizontally. During the conveying process, the cutting blade 3 is driven to rotate and cut the metal sheet. At the same time, the fan 12 is turned on to generate suction. The metal debris that splashes during cutting will enter the corrugated pipe 13, the fixed pipe 10 and the collection box 9 in sequence. The metal debris is intercepted by the filter screen 11 and trapped in the collection box 9 to prevent the metal debris from covering the cutting path and to prevent the cutting blade 3 from deviating due to contact with the covered metal debris, thus ensuring the cutting accuracy.

[0044] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A cutting device of a sheet metal forming machine, comprising a frame (1), a cutting groove (2) is formed on the frame (1), a cutting blade (3) is rotatably arranged in the cutting groove (2), characterized in that: The rack (1) is symmetrically provided with two conveying members for conveying the metal sheet horizontally, the conveying member comprises a base frame (4) provided on the rack (1), a first pulley assembly (5) and a top frame (6) provided on the base frame (4), and a second pulley assembly (7) provided on the top frame (6), the rack (1) is slidably provided with an air suction cover (8) covering the outside of the cutting blade (3), the rack (1) is provided with a collecting tank (9) and a fixed pipe (10) in communication, the collecting tank (9) is provided with a filter screen (11) therein, the collecting tank (9) is provided with a fan (12) thereon, the free end of the fixed pipe (10) is communicated with a bellows (13), the free end of the bellows (13) extends into the air suction cover (8) and is configured in a conical shape expanding outward.

2. The cutting device of the sheet metal forming machine according to claim 1, characterized in that: The rack (1) is rotatably provided with a reversible screw rod (14), and the two base frames (4) are slidably provided on the rack (1) and are respectively threadedly connected with the reversible screw threads of the reversible screw rod (14).

3. The cutting device of the sheet metal forming machine according to claim 1, characterized in that: The top frame (6) is slidably provided on the base frame (4), and the rack (1) is slidably provided with a lifting frame (15), and the two top frames (6) are slidably connected with the lifting frame (15).

4. The cutting device of the sheet metal forming machine according to claim 1, characterized in that: The opposite sides of the two base frames (4) are rotatably provided with a plurality of guide wheels (16).

5. The cutting device of the sheet metal forming machine according to claim 1, characterized in that: The bottom of the air suction cover (8) is rotatably provided with a plurality of rollers (17).

6. The cutting device of the sheet metal forming machine according to claim 1, characterized in that: One side of the air suction cover (8) is provided with two guide blocks (18) at intervals, and the guide blocks (18) are configured in a triangular shape.

7. The cutting device of the sheet metal forming machine according to claim 1, characterized in that: The collecting tank (9) is communicated with a discharge pipe (19), and the fixed pipe (10) and the discharge pipe (19) are provided with valves (20) thereon, and the free end of the discharge pipe (19) is detachably provided with a collecting cylinder (21).

8. The cutting device of a sheet metal forming machine according to claim 7, characterized in that: The outer surface of the discharge pipe (19) is configured with a threaded groove, and the collecting cylinder (21) is movably sleeved with a screw cylinder (22) threadedly connected with the threaded groove.

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