Continuous cutting device for metal pipe fittings

Abstract

The invention belongs to the technical field of pipe fitting cutting devices, and particularly relates to a metal pipe fitting continuous cutting device which comprises a fixing frame, discharging equipment on one side and a conveying belt in an inner cavity, the conveying belt is used for conveying metal pipe fittings, and the discharging equipment is used for quantitatively discharging the metal pipe fittings for discharging. Wherein a cutting dust removal assembly is installed on one side of the upper end of the fixing frame and used for cutting the metal pipe fitting, the cutting dust removal assembly comprises a protective cover and a driving assembly for driving the protective cover to move up and down, and the problems that continuous cutting of the metal pipe fitting is difficult to achieve through an existing cutting device; the problems that if the cutting knife is not cooled, when the cutting knife continuously cuts the metal pipe fitting, the cutting knife is damaged due to high temperature, a large amount of metal dust and sparks are generated when the cutting knife cuts the metal pipe fitting, the surrounding working environment is affected, and meanwhile the body of a worker is harmed when the worker inhales the metal dust for a long time are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of pipe cutting devices, in particular to a metal pipe continuous cutting device. Background Art

[0002] Pipe cutting is the process of dividing pipes into required sizes. In many industries such as manufacturing, construction, and maintenance, pipes of different sizes are usually used. At this time, a cutting device is needed to cut the pipes.

[0003] A patent with announcement number CN118720261B discloses a pipe cutting device and a cutting method. The device places the pipe on a placement groove and then pushes it in the direction of a positioning block. The positioning block allows the end of the pipe to remain parallel to the cutting disk on the cutting assembly, thereby avoiding the problem of uneven pipe ends after cutting. The cutting assembly is started to move downward to cut the pipe. During this process, the second pressure plate and the first pressure plate are driven to move toward the placement groove by the telescopic plate, and then the piston is moved away from the channel by the extrusion block. The limit column is pushed to move by the spring. When the second pressure plate moves downward, the push plate is pushed downward to slide with the fixed frame, so that the fixed frame drives the cross plate to separate the blocking column from the limiting hole, so that when the limiting column moves toward the vertical rod, it can slide and adapt with the limiting hole, thereby limiting the first pressure plate, so that during the cutting process of the pipe, the problem of easy displacement due to vibration when the pipe is fixed and limited by elasticity is avoided.

[0004] There are still some problems in the actual application of the above scheme. The above equipment places the entire metal pipe on the workbench, and then pushes the pipe from the bottom of the metal pipe or clamps and pulls it from the end of the metal pipe to move it under the cutting mechanism, and uses the cutting mechanism to cut the metal pipe. However, this cutting method is difficult to achieve continuous cutting of metal pipes and circular transportation of metal pipes. Moreover, when cutting the metal pipes, if the cutting knife is not cooled down, the cutting knife will be damaged by the high temperature when continuously cutting the metal pipes. If the cutting knife is flushed with water pipes, it will cause a waste of water resources.

[0005] To this end, the present invention provides a metal pipe continuous cutting device. Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A continuous cutting device for metal pipe fittings according to the present invention includes a fixing frame, a blanking device on one side, and a conveyor belt in the inner cavity. The conveyor belt is used to convey metal pipe fittings, and the blanking device is used for quantitatively discharging metal pipe fittings for blanking. One side of the upper end of the fixing frame is provided with a cutting and dust removal assembly for cutting metal pipe fittings. The cutting and dust removal assembly includes a protective cover and a driving assembly for driving the protective cover to move up and down. The protective cover includes a cutting knife installed in its inner cavity. A U-shaped cover is installed on one side of the protective cover, and a spring is fixedly connected to the inner cavity of the U-shaped cover. One end of the spring is fixedly connected to a grinding stone, and the grinding stone is designed in a honeycomb shape. A sponge layer is provided at the end where the spring is fixedly connected to the grinding stone. Feeding assemblies are installed on both sides of the conveyor belt. The feeding assembly includes rotating blocks rotatably connected to both sides of the conveyor belt. An elastic member is fixedly connected to the inner cavity of the rotating block, and one end of the elastic member is fixedly connected to a slider for clamping and conveying metal pipe fittings.

[0008] Preferably, the driving assembly includes a servo push rod installed at the upper end of the support frame. The piston rod end of the servo push rod penetrates through the support frame and is fixedly connected to a sliding plate. Protective covers are fixedly connected to both sides of the lower end of the sliding plate, and a plurality of water spraying holes are evenly formed in the inner wall of the protective cover.

[0009] Preferably, a water guiding groove is formed in the inner cavity of the protective cover. Folding pipes are fixedly communicated with both sides of the upper end of the sliding plate, and the lower ends of the folding pipes are communicated with the water guiding groove. Water tanks are installed on both sides of the upper end of the sliding plate, and one end of each water tank is fixedly communicated with the upper end of the folding pipe. A one-way valve is arranged in the inner cavity of the protective cover, and the one-way valve can only be turned over and opened towards the inner cavity of the water guiding groove. A one-way valve is arranged at the lower end of the water tank, and the one-way valve can only be turned over and opened towards the inner cavity of the folding pipe.

[0010] Preferably, a water pumping cavity is formed in the inner cavity of the sliding plate. Two pistons are slidably connected to the inner cavity of the water pumping cavity. U-shaped fixing blocks are fixedly connected to one side of each of the two pistons. A pull rod is rotatably connected to the inner cavity of the U-shaped fixing block. One end of the pull rod is rotatably connected to a U-shaped rotating block, and one end of the U-shaped rotating block penetrates through the sliding plate and is fixedly connected to a transmission belt pulley.

[0011] Preferably, a servo motor is fixedly connected to one side of the sliding plate. The output shaft end of the servo motor penetrates through the sliding plate and is fixedly connected to the U-shaped rotating block. A belt is externally connected to the transmission belt pulley. One end of the belt is externally connected to two driven belt pulleys, and each driven belt pulley is rotatably connected to the protective cover. A cutting knife is fixedly installed in the inner cavity of the protective cover at one end of the driven belt pulley.

[0012] Preferably, an installation frame is fixedly connected to the lower end of the skateboard. A threaded rod is rotatably connected to the inner cavity of the installation frame. A slider is threadedly connected to the outer part of the threaded rod. A tension pulley is rotatably connected to one side of the slider. The tension pulley is drivingly connected to a belt.

[0013] Preferably, a blanking assembly is installed on one side of the fixing frame. The blanking assembly includes mounting blocks installed on one side of the fixing frame. A turnover frame is rotatably connected between the mounting blocks. A roller path is arranged in the inner cavity of the turnover frame.

[0014] Preferably, rotating shafts are fixedly connected to both ends of the turnover frame. One end of each rotating shaft is rotatably connected to the inner cavity of the mounting block. A fixing disk is fixedly connected to the outer part of the rotating shaft located outside the inner cavity of the mounting block. A torsion spring is fixedly connected to one side of the fixing disk. One end of the torsion spring is fixedly connected to the inner wall of the mounting block.

[0015] Preferably, the slider is arranged in an inverted triangle shape, which is used to drive the slider to rotate in a circular motion by the conveyor belt to clamp and convey metal pipe fittings for feeding. At the same time, during the process of clamping the metal pipe fittings, the metal pipe fittings can be pressed and fixed above the conveyor belt to maintain stability.

[0016] Preferably, a rubber pad is arranged outside the slider, which can fix the metal pipe fittings during the process of clamping and conveying and cutting the metal pipe fittings.

[0017] The beneficial effects of the present invention are as follows: 1. For the continuous cutting device for metal pipe fittings of the present invention, by starting the conveyor belt to run and driving the rotating block to move by the conveyor belt. At the same time, when the rotating block moves to the blanking device, the rotating block will drive the slider to move below the metal pipe fitting. As the conveyor belt continues to rotate, the metal pipe fitting is limited by the blanking device, and then it will squeeze the slider to move into the inner cavity of the rotating block. Thus, the slider moves to both sides of the metal pipe fitting. At the same time, the elastic member is used to bounce up the slider to clamp and fix the metal pipe fitting. Then, as the conveyor belt continues to rotate, the slider will be used to drive the metal pipe fitting to be drawn out from the blanking device and conveyed below the cutting knife for cutting. The length of the cut metal pipe fitting is adjusted according to the distance that the conveyor belt drives the rotating block to move. At the same time, after the slider clamps the metal pipe fitting and moves a certain distance, the conveyor belt drives the rotating block to move, which will drive the slider to clamp the tail of the metal pipe fitting, so as to push the remaining metal pipe fitting. When the remaining metal pipe fitting is pushed below the cutting knife, the rotating block will drive the slider to clamp the metal pipe fitting in the blanking device again for drawing and conveying, thereby realizing the continuous feeding of the metal pipe fitting and improving the automation degree of the cutting device.

[0018] 2. The continuous cutting device for metal pipe fittings according to the present invention drives the U-shaped rotating block to drive the pull rod to rotate. At the same time, the pull rod pulls the U-shaped fixed block to move synchronously, thereby driving the piston to slide in the inner cavity of the water pumping chamber to open the one-way valve in the water tank, and then appropriately pumping the clear water in the water tank into the water pumping chamber and the folding pipe. The piston squeezes the clear water in the water pumping chamber, and the clear water squeezes the one-way valve in the water guide groove to turn over and open and discharge into the water guide groove, and then sprays and flushes the cutting tool through the spray holes, thereby reducing the temperature of the cutting tool, further controlling the amount of clear water used, avoiding waste of water resources, and at the same time reducing the metal dust and sparks generated by the cutting tool cutting the metal pipe fittings, avoiding the situation that the cutting tool has too high a temperature during long-term operation, and further improving the service life of the cutting tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a schematic structural diagram of the overall front view of the present invention; Figure 2 is a schematic structural diagram of the overall left view of the present invention; Figure 3 is a schematic structural diagram of a partial section of the fixing bracket of the present invention; Figure 4 is a schematic semi-sectional view of the sliding plate of the present invention; Figure 5 is a schematic semi-sectional view of the protective cover of the present invention; Figure 6 is a schematic semi-sectional view of the rotating block of the present invention; Figure 7 is a schematic structural diagram of a partial section of the mounting block of the present invention; Figure 8 is a schematic structural diagram of the overall cutting and dust removal assembly of the present invention; Figure 9 is an exploded structural diagram of the feeding assembly of the present invention; In the figure: 1, fixing bracket; 2, conveyor belt; 3, blanking device; 4, metal pipe fitting; 5, feeding assembly; 51, rotating block; 52, elastic member; 53, slider; 6, support frame; 7, blanking assembly; 71, turning frame; 72, roller path; 73, mounting block; 74, rotating shaft; 75, fixed disk; 76, torsion spring; 8, water tank; 9, cutting and dust removal assembly; 91, protective cover; 92, water guide groove; 93, folding pipe; 94, sliding plate; 95, U-shaped cover; 96, grinding stone; 97, spring; 10, servo push rod; 11, cutting tool; 12, servo motor; 13, U-shaped rotating block; 14, pull rod; 15, U-shaped fixed block; 16, piston; 17, driving pulley; 18, tensioning pulley; 19, driven pulley; 20, belt; 21, water pumping chamber; 22, mounting frame; 23, threaded rod; 24, slider. Detailed implementation mode

[0021] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation modes.

[0022] Embodiment 1: As Figures 1 to 9 shown, a continuous cutting device for metal pipe fittings described in an embodiment of the present invention includes a fixed frame 1, a blanking device 3 on one side, and a conveyor belt 2 in the inner cavity. The conveyor belt 2 is used to convey metal pipe fittings 4, and the blanking device 3 (the blanking device adopts existing equipment such as roller tracks or conveyor belts) is used to quantitatively discharge metal pipe fittings 4 for blanking. A cutting and dust removal assembly 9 is installed on one side of the upper end of the fixed frame 1 for cutting metal pipe fittings 4. The cutting and dust removal assembly 9 includes a protective cover 91 and a driving assembly for driving the protective cover 91 to move up and down; The protective cover 91 includes a cutting tool 11 installed in its inner cavity. A U-shaped cover 95 is installed on one side of the protective cover 91. A spring 97 is fixedly connected to the inner cavity of the U-shaped cover 95. One end of the spring 97 is fixedly connected to a grinding stone 96, and the grinding stone 96 is designed in a honeycomb shape. A sponge layer is provided at the end where the spring 97 is fixedly connected to the grinding stone 96; Feeding assemblies 5 are installed on both sides of the conveyor belt 2; The feeding assembly 5 includes rotating blocks 51 rotatably connected to both sides of the conveyor belt 2. An elastic member 52 is fixedly connected to the inner cavity of the rotating block 51. One end of the elastic member 52 is fixedly connected to a slider 53 for clamping and conveying metal pipe fittings 4.

[0023] Specifically, in the prior art, usually the entire metal pipe fitting is placed on the workbench, and then the pipe fitting is pushed from the bottom of the metal pipe fitting under the cutting mechanism for cutting processing. However, this cutting method is difficult to achieve continuous cutting of metal pipe fittings. Moreover, when cutting metal pipe fittings, if the cutting tool is not cooled, the cutting tool will be damaged due to high temperature during continuous cutting of metal pipe fittings. In addition, a large amount of metal dust and sparks will be generated when the cutting tool cuts metal pipe fittings, which will affect the surrounding working environment. At the same time, long-term inhalation of metal dust by workers will also cause harm to the body; When the present invention cuts and processes the metal pipe fitting 4, the conveyor belt 2 is started to run, and the conveyor belt 2 drives the rotating block 51 to move. At the same time, when the rotating block 51 moves to the blanking device 3, the rotating block 51 drives the slider 53 to move to both sides of the metal pipe fitting 4. As the conveyor belt 2 continues to rotate, the rotating block 51 drives the slider 53 to abut against the metal pipe fitting 4 and move it upward. Since the metal pipe fitting 4 is limited by the blanking device, it will squeeze the slider 53 to move into the inner cavity of the rotating block 51, and then the slider 53 moves to both sides of the metal pipe fitting 4. At the same time, the elastic member 52 is used to bounce up the slider 53, and the slider 53 clamps and fixes the metal pipe fitting 4. Then, as the conveyor belt 2 continues to rotate, the slider 53 is used to drive the metal pipe fitting 4 to be drawn out from the blanking device 3 and conveyed under the cutting knife 11 at the same time. The length of the cut metal pipe fitting 4 depends on the distance that the conveyor belt 2 drives the rotating block 51 to move. After the slider 53 clamps the metal pipe fitting 4 and moves a certain distance, the conveyor belt 2 drives the subsequent rotating block 51 to move, and the rotating block 51 drives the slider 53 to clamp the tail of the metal pipe fitting 4, and then pushes the remaining metal pipe fitting 4. When the remaining metal pipe fitting 4 is pushed under the cutting knife 11, the rotating block 51 drives the slider 53 to clamp the metal pipe fitting 4 in the blanking device 3 again and draw it out for conveying, so as to realize the continuous feeding of the metal pipe fitting 4 and improve the automation degree of the cutting device. After the metal pipe fitting 4 is conveyed under the cutting knife 11, the driving component drives the protective cover 91 to move downward, and the protective cover 91 drives the cutting knife 11 to move downward. At the same time, the cutting knife 11 is started to cut the metal pipe fitting 4. During the operation of the cutting knife 11, the grinding stone 96 is bounced up by the spring 97, and the grinding stone 96 is attached to the surface of the cutting knife 11. Therefore, during the operation of the cutting knife 11, the surface of the cutting knife 11 is polished by the grinding stone 96. The honeycomb-shaped design of the grinding stone 96 can reduce its weight while ensuring the strength of the grinding stone 96, and can also better disperse stress and reduce local stress concentration, thereby improving the toughness and durability of the grinding stone 96 and reducing the excessive grinding of the cutting knife 11, and improving the sharpness of the cutting knife 11. A sponge layer is also arranged between the spring 97 and the grinding stone 96, and the sponge layer can be used to adsorb the dust generated by the grinding of the cutting knife 11, thus solving the above problems.

[0024] As Figure 2 , Figure 4 and Figure 5 shown, the driving component includes a servo push rod 10 installed at the upper end of the support frame 6. The piston rod end of the servo push rod 10 penetrates through the support frame 6 and is fixedly connected with a slide plate 94. Both sides of the lower end of the slide plate 94 are fixedly connected with protective covers 91, and a plurality of water spray holes are evenly arranged on the inner wall of the protective cover 91.

[0025] Specifically, when cutting the metal pipe fitting 4, the servo push rod 10 is started to drive the sliding plate 94 to move downward, and the sliding plate 94 drives the protective cover 91 to move downward. At the same time, the protective cover 91 drives the cutting tool 11 to move synchronously, and then the cutting tool 11 cuts and processes the metal pipe fitting 4. During the cutting process of the cutting tool 11 on the metal pipe fitting 4, clear water is sprayed on the cutting tool 11 through the water spraying holes, and then the clear water rinses and cools the surface of the cutting tool 11 to prevent the cutting tool 11 from overheating and being damaged during continuous cutting of the metal pipe fitting 4. Moreover, the spraying of clear water can also prevent sparks and a large amount of metal dust from being generated at the cut of the metal pipe fitting 4 during the cutting process of the cutting tool 11 on the metal pipe fitting 4, reducing the pollution of the working environment by metal dust.

[0026] As Figure 2 , Figure 4 and Figure 5 shown, a water guide groove 92 is provided in the inner cavity of the protective cover 91. Both sides of the upper end of the sliding plate 94 are fixedly communicated with folding pipes 93, and the lower ends of the folding pipes 93 are communicated with the water guide groove 92. Water tanks 8 are installed on both sides of the upper end of the sliding plate 94, and one end of each water tank 8 is fixedly communicated with the upper end of the folding pipe 93. A one-way valve is provided in the inner cavity of the protective cover 91, and the one-way valve can only be turned over and opened into the inner cavity of the water guide groove 92. A one-way valve is provided at the lower end of the water tank 8, and the one-way valve can only be turned over and opened into the inner cavity of the folding pipe 93.

[0027] As Figure 2 , Figure 4 and Figure 5 shown, a water pumping cavity 21 is provided in the inner cavity of the sliding plate 94. Two pistons 16 are slidably connected in the inner cavity of the water pumping cavity 21, and a U-shaped fixing block 15 is fixedly connected to one side of each of the two pistons 16. A pull rod 14 is rotatably connected in the inner cavity of the U-shaped fixing block 15. One end of the pull rod 14 is rotatably connected to a U-shaped rotating block 13, and one end of the U-shaped rotating block 13 penetrates through the sliding plate 94 and is fixedly connected with a transmission belt pulley 17.

[0028] Specifically, when cutting the metal pipe fitting 4, the U-shaped rotating block 13 is driven to rotate, and the U-shaped rotating block 13 drives the pull rod 14 to rotate. At the same time, the pull rod 14 pulls the U-shaped fixing block 15 to move synchronously, so that the U-shaped fixing block 15 drives the piston 16 to slide in the inner cavity of the water pumping chamber 21, thereby enabling the piston 16 to cyclically pump the air in the inner cavity of the water pumping chamber 21 to open the one-way valve in the water tank 8, and then appropriately extracting the clear water in the water tank 8 into the water pumping chamber 21 and the folding pipe 93. The piston 16 squeezes the clear water in the water pumping chamber 21, and the clear water squeezes the one-way valve in the water guide groove 92 to flip and open, so that the clear water is discharged into the water guide groove 92, and then is sprayed out through the water spraying holes to wash the cutting knife 11, thereby reducing the temperature of the cutting knife 11, controlling the consumption of clear water, avoiding waste of water resources, and at the same time reducing the metal dust and sparks generated by the cutting of the metal pipe fitting 4 by the cutting knife 11. Thus, it solves the problem that when the existing continuous cutting device for metal pipe fittings cuts and processes pipe fittings, due to the continuous cutting of the metal pipe fittings by the cutting knife, if the cutting knife is not washed with clear water to cool down, the temperature of the cutting knife will be too high after long-term operation, which will greatly reduce the service life of the cutting knife. Moreover, if the cutting opening of the metal pipe fitting is not washed with clear water to reduce the generation of metal dust and sparks, it will pose a potential safety hazard to the physical safety of workers.

[0029] As Figure 4 , Figure 5 and Figure 8 shown, a servo motor 12 is fixedly connected to one side of the slide plate 94. The output shaft end of the servo motor 12 penetrates through the slide plate 94 and is fixedly connected to the U-shaped rotating block 13. A transmission belt pulley 17 is externally connected with a belt 20. One end of the belt 20 is connected with two driven belt pulleys 19 in a transmission manner, and each driven belt pulley 19 is rotatably connected with the protective cover 91. A cutting knife 11 is fixedly installed at one end of the driven belt pulley 19 and located inside the protective cover 91.

[0030] As Figure 4 , Figure 5 and Figure 8 shown, an installation frame 22 is fixedly connected to the lower end of the slide plate 94. A threaded rod 23 is rotatably connected to the inner cavity of the installation frame 22. A slider 24 is threadedly connected to the external thread of the threaded rod 23. A tension pulley 18 is rotatably connected to one side of the slider 24, and the tension pulley 18 is in transmission connection with the belt 20.

[0031] Specifically, when the driving component drives the protective cover 91 to drive the cutting tool 11 to cut the metal pipe fitting 4, the servo motor 12 is started to drive the U-shaped rotating block 13 to rotate, and the U-shaped rotating block 13 drives the transmission pulley 17 to rotate. At the same time, the transmission pulley 17 drives the transmission belt 20 to rotate, and then drives the driven pulley 19 to rotate, and the driven pulley 19 drives the cutting tool 11 to rotate. When the belt 20 becomes fatigued and loose, the threaded rod 23 is twisted to rotate, and the threaded rod 23 thread-drives the slider 24 to slide in the inner cavity of the mounting frame 22. At the same time, the slider 24 drives the tensioning wheel 18 to move synchronously, and further the tensioning wheel 18 drives the belt 20 to adjust the tension, so that the belt 20 can better drive the driven pulley 19 to rotate, so that the driven pulley 19 stably drives the cutting tool 11 to rotate, and then cuts the metal pipe fitting 4.

[0032] Embodiment 2: As Figure 2 、 Figure 3 and Figure 7 shown, a blanking component 7 is installed on one side of the fixing frame 1, and the blanking component 7 includes a mounting block 73 installed on one side of the fixing frame 1. A turnover frame 71 is rotatably connected between the mounting blocks 73. A roller path 72 is arranged in the inner cavity of the turnover frame 71. Latex pads are arranged on the inner walls of the turnover frame 71 for clamping and limiting the metal pipe fitting 4, which can improve the stability of the metal pipe fitting 4 to be cut off.

[0033] As Figure 2 、 Figure 3 and Figure 7 shown, rotating shafts 74 are fixedly connected to both ends of the turnover frame 71. One end of the rotating shaft 74 is rotatably connected in the inner cavity of the mounting block 73. A fixing disk 75 is fixedly connected to the outside of the rotating shaft 74 located in the inner cavity of the mounting block 73. A torsion spring 76 is fixedly connected to one side of the fixing disk 75, and one end of the torsion spring 76 is fixedly connected to the inner wall of the mounting block 73.

[0034] Specifically, after the cutting process of the metal pipe fitting 4 is completed, the cut metal pipe fitting 4 will fall onto the roller path 72 of the tipping frame 71. At the same time, the weight of the metal pipe fitting 4 presses down on the tipping frame 71 to rotate, and the tipping frame 71 drives the rotating shaft 74 to rotate. Meanwhile, the rotating shaft 74 drives the fixed disk 75 to twist the torsion spring 76 to turn over, so that the cut metal pipe fitting 4 is guided and collected along the roller path 72. After the collection of the cut metal pipe fitting 4 is completed, the torsion spring 76 twists the fixed disk 75 to rotate and reset, and the fixed disk 75 drives the rotating shaft 74 to rotate. Meanwhile, the rotating shaft 74 drives the tipping frame 71 to rotate and reset, so that the tipping frame 71 drives the roller path 72 and the conveyor belt 2 to be on the same horizontal plane, thus avoiding the problem that the cut part of the metal pipe fitting 4 directly falls and affects the subsequent collection. The inner walls of the tipping frame 71 are all provided with latex pads, which can use the latex pads to clamp and limit the metal pipe fitting 4, and prevent the cut metal pipe fitting 4 from moving when the cutting tool 11 cuts the metal pipe fitting 4, affecting the flatness of the cut of the metal pipe fitting 4, thereby solving the problem that in the process of continuously cutting a metal pipe fitting by an existing continuous cutting device for metal pipe fittings, if the two ends of the metal pipe fitting are not limited, the cut part of the metal pipe fitting will move and shake when being cut off, affecting the flatness of the cut of the metal pipe fitting, and causing deviation in the quality of the cut metal pipe fitting.

[0035] As Figure 1 , Figure 6 and Figure 9 shown, the slider 53 is arranged in an inverted triangle shape, and is used for the conveyor belt 2 to drive the slider 53 to rotate in a circular shape to clamp and pick up the metal pipe fitting 4 for feeding and conveying. At the same time, during the process of clamping the metal pipe fitting 4, the metal pipe fitting 4 can be pressed and fixed above the conveyor belt 2 to maintain stability.

[0036] Specifically, when using the rotating block 51 to drive the slider 53 to clamp the metal pipe fitting 4, since the slider 53 is arranged in an inverted triangle shape, during the process of the slider 53 clamping the metal pipe fitting 4, the metal pipe fitting 4 is pressed down by the slider 53 to move, so that the metal pipe fitting 4 is fixed above the conveyor belt 2, facilitating the conveyor belt 2 to drive the metal pipe fitting 4 for feeding and conveying during rotation. Moreover, the setting of the inverted triangular slider 53 can clamp and press metal pipe fittings 4 of different sizes and thicknesses, improving the stability of the continuous conveying of the metal pipe fitting 4 and realizing the continuous cutting and processing efficiency of the metal pipe fitting 4, thereby solving the problem that in the process of cutting and processing a metal pipe fitting by an existing continuous cutting device for metal pipe fittings, since the pushing mechanism is inconvenient to clamp and convey metal pipe fittings of different thicknesses, it is difficult for the cutting device to cut and process metal pipe fittings of different thicknesses and sizes.

[0037] As Figure 1 , Figure 6 and Figure 9As shown, a rubber pad is provided outside the slider 53, which can fix the metal pipe fitting 4 during the process of clamping and transporting the metal pipe fitting 4 for cutting.

[0038] Specifically, during the process of clamping and transporting the metal pipe fitting 4 by using the slider 53, since a rubber pad is provided outside the slider 53, the friction between the slider 53 and the metal pipe fitting 4 can be increased during the process of clamping the metal pipe fitting 4, ensuring that when the metal pipe fitting 4 is clamped and transported for feeding, the metal pipe fitting 4 does not move, which affects the cutting accuracy of the metal pipe fitting 4. Moreover, the stability of the slider 53 clamping the metal pipe fitting 4 is increased through the rubber pad, preventing the metal pipe fitting 4 from rotating during the process of cutting the metal pipe fitting 4 by using the cutting knife 11, which affects the cutting efficiency and accuracy.

[0039] Working principle: By starting the conveyor belt 2 to run, and the conveyor belt 2 drives the rotating block 51 to move. At the same time, when the rotating block 51 moves to the blanking device 3, the rotating block 51 will drive the slider 53 to move to both sides of the metal pipe fitting 4. As the conveyor belt 2 continues to rotate, the rotating block 51 will drive the slider 53 to abut against the metal pipe fitting 4 and move upward. Since the metal pipe fitting 4 is limited by the blanking device, it will squeeze the slider 53 to move into the inner cavity of the rotating block 51, so that the slider 53 moves to both sides of the metal pipe fitting 4. At the same time, the elastic member 52 is used to bounce up the slider 53, and the slider 53 clamps and fixes the metal pipe fitting 4. Then, as the conveyor belt 2 continues to rotate, the slider 53 will be used to drive the metal pipe fitting 4 to be drawn out from the blanking device 3 and transported under the cutting knife 11 at the same time. The length of the cut metal pipe fitting 4 depends on the distance that the conveyor belt 2 drives the rotating block 51 to move. After the slider 53 clamps the metal pipe fitting 4 and moves a certain distance, the conveyor belt 2 drives the subsequent rotating block 51 to move, and the rotating block 51 will drive the slider 53 to clamp the tail of the metal pipe fitting 4, so as to push the remaining metal pipe fitting 4. When the remaining metal pipe fitting 4 is pushed under the cutting knife 11, the rotating block 51 will drive the slider 53 to clamp the metal pipe fitting 4 in the blanking device 3 again and draw it out for transportation, thus realizing the continuous feeding of the metal pipe fitting 4 and improving the automation degree of the cutting device; When cutting the metal pipe fitting 4, the U-shaped rotating block 13 is driven to rotate, and the U-shaped rotating block 13 drives the pull rod 14 to rotate. At the same time, the pull rod 14 pulls the U-shaped fixing block 15 to move synchronously. Furthermore, the U-shaped fixing block 15 drives the piston 16 to slide in the inner cavity of the water pumping chamber 21, so that the piston 16 cyclically pumps the air in the inner cavity of the water pumping chamber 21 to open the one-way valve in the water tank 8. Then, an appropriate amount of clear water in the water tank 8 is pumped into the water pumping chamber 21 and the folding pipe 93. The piston 16 squeezes the clear water in the water pumping chamber 21, and the clear water squeezes the one-way valve in the water guide groove 92 to flip and open. Then, the clear water is discharged into the water guide groove 92, and then is sprayed out through the water spraying holes to wash the cutting tool 11, thereby reducing the temperature of the cutting tool 11, controlling the amount of clear water used, avoiding waste of water resources, and reducing the metal dust and sparks generated by the cutting tool 11 during the cutting of the metal pipe fitting 4. After the cutting process of the metal pipe fitting 4 is completed, the cut metal pipe fitting 4 will fall onto the roller path 72 of the turnover frame 71. At the same time, the weight of the metal pipe fitting 4 is used to press down the turnover frame 71 to rotate, and the turnover frame 71 drives the rotating shaft 74 to rotate. At the same time, the rotating shaft 74 drives the fixed disk 75 to twist the torsion spring 76 to flip, so that the cut metal pipe fitting 4 is guided and collected along the roller path 72. After the collection of the cut metal pipe fitting 4 is completed, the torsion spring 76 twists the fixed disk 75 to rotate back to its original position, and the fixed disk 75 drives the rotating shaft 74 to rotate. At the same time, the rotating shaft 74 drives the turnover frame 71 to rotate back to its original position, so that the turnover frame 71 drives the roller path 72 to be on the same horizontal plane as the conveyor belt 2, thus avoiding the problem that the cut part of the metal pipe fitting 4 directly falls and affects subsequent collection. Latex pads are provided on the inner walls of the turnover frame 71, which can use the latex pads to clamp and limit the metal pipe fitting 4, avoiding the movement of the cut metal pipe fitting 4 when the cutting tool 11 cuts the metal pipe fitting 4, which affects the flatness of the cut of the metal pipe fitting 4.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A continuous cutting device for metal pipe fittings, comprising a fixed frame (1), a blanking device (3) on one side, and a conveyor belt (2) in the inner cavity. The conveyor belt (2) is used to convey the metal pipe fittings (4), and the blanking device (3) is used to quantitatively discharge the metal pipe fittings (4) for blanking. A cutting and dust removal assembly (9) is installed on one side of the upper end of the fixed frame (1) for cutting the metal pipe fittings (4), and it is characterized in that: The cutting and dust removal assembly (9) includes a protective cover (91) and a driving assembly for driving the protective cover (91) to move up and down; The protective cover (91) includes a cutting knife (11) installed in its inner cavity. A U-shaped cover (95) is installed on one side of the protective cover (91). A spring (97) is fixedly connected to the inner cavity of the U-shaped cover (95). One end of the spring (97) is fixedly connected to a grinding stone (96). The grinding stone (96) is designed in a honeycomb shape. A sponge layer is provided at the end where the spring (97) is fixedly connected to the grinding stone (96); Feeding assemblies (5) are installed on both sides of the conveyor belt (2); The feeding assembly (5) includes rotating blocks (51) rotatably connected to both sides of the conveyor belt (2). An elastic member (52) is fixedly connected to the inner cavity of the rotating block (51). One end of the elastic member (52) is fixedly connected to a slider (53) for clamping and conveying the metal pipe fittings (4) for conveying.

2. The continuous cutting device for metal pipe fittings according to claim 1, characterized in that: The driving assembly includes a servo push rod (10) installed at the upper end of the support frame (6). The piston rod end of the servo push rod (10) penetrates through the support frame (6) and is fixedly connected to a sliding plate (94). Protective covers (91) are fixedly connected to both sides of the lower end of the sliding plate (94). A number of water spraying holes are evenly formed in the inner wall of the protective cover (91).

3. The continuous cutting device for metal pipe fittings according to claim 2, characterized in that: A water guide groove (92) is formed in the inner cavity of the protective cover (91). Folding pipes (93) are fixedly communicated with both sides of the upper end of the sliding plate (94). The lower ends of the folding pipes (93) are communicated with the water guide groove (92). Water tanks (8) are installed on both sides of the upper end of the sliding plate (94). One end of the water tank (8) is fixedly communicated with the upper end of the folding pipe (93). A one-way valve is arranged in the inner cavity of the protective cover (91), and the one-way valve can only be turned over and opened towards the inner cavity of the water guide groove (92). A one-way valve is arranged at the lower end of the water tank (8), and the one-way valve can only be turned over and opened towards the inner cavity of the folding pipe (93).

4. A continuous cutting device for metal pipe fittings according to claim 3, characterized in that: A water pumping cavity (21) is formed in the inner cavity of the sliding plate (94). Two pistons (16) are slidably connected to the inner cavity of the water pumping cavity (21). A U-shaped fixing block (15) is fixedly connected to one side of each of the two pistons (16). A pull rod (14) is rotatably connected to the inner cavity of the U-shaped fixing block (15). One end of the pull rod (14) is rotatably connected to a U-shaped rotating block (13). One end of the U-shaped rotating block (13) penetrates through the sliding plate (94) and is fixedly connected to a transmission belt pulley (17).

5. A continuous cutting device for metal pipe fittings according to claim 4, characterized in that: A servo motor (12) is fixedly connected to one side of the sliding plate (94). The output shaft end of the servo motor (12) penetrates through the sliding plate (94) and is fixedly connected to the U-shaped rotating block (13). A belt (20) is externally connected to the transmission belt pulley (17). One end of the belt (20) is connected to two driven belt pulleys (19) by transmission. Each driven belt pulley (19) is rotatably connected to the protective cover (91). A cutting knife (11) is fixedly installed outside one end of each driven belt pulley (19) in the inner cavity of the protective cover (91).

6. The continuous cutting device for metal pipe fittings according to claim 5, wherein: A mounting frame (22) is fixedly connected to the lower end of the skateboard (94). A threaded rod (23) is rotatably connected to the inner cavity of the mounting frame (22). A slider (24) is threadedly connected to the outer part of the threaded rod (23). A tension pulley (18) is rotatably connected to one side of the slider (24). The tension pulley (18) is in transmission connection with a belt (20).

7. A continuous cutting device for metal pipe fittings according to claim 1, characterized in that: A blanking assembly (7) is installed on one side of the fixed frame (1). The blanking assembly (7) includes a mounting block (73) installed on one side of the fixed frame (1). A turnover frame (71) is rotatably connected between the mounting blocks (73). A roller path (72) is arranged in the inner cavity of the turnover frame (71).

8. A continuous cutting device for metal pipe fittings according to claim 7, characterized in that: Shafts (74) are fixedly connected to both ends of the turnover frame (71). One end of each shaft (74) is rotatably connected in the inner cavity of the mounting block (73). A fixed disk (75) is fixedly connected to the outer part of the shaft (74) located outside the inner cavity of the mounting block (73). A torsion spring (76) is fixedly connected to one side of the fixed disk (75). One end of the torsion spring (76) is fixedly connected to the inner wall of the mounting block (73).

9. The continuous cutting device for metal pipe fittings according to claim 1, characterized in that: The slider (53) is arranged in an inverted triangle shape. The conveyor belt (2) is used to drive the slider (53) to rotate in a ring shape to pick up and convey the metal pipe fittings (4). At the same time, during the process of picking up the metal pipe fittings (4), the metal pipe fittings (4) can be pressed and fixed above the conveyor belt (2) to keep stable.

10. A continuous cutting device for metal pipe fittings according to claim 9, characterized in that: A rubber pad is arranged outside the slider (53), which can fix the metal pipe fittings (4) during the process of picking up and conveying and cutting the metal pipe fittings (4).

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