A steel pipe necking processing device and its usage method

Abstract

The present invention discloses a steel pipe necking processing device, which relates to the technical field of steel pipe processing. In this application, the steel pipe necking processing device includes: a machine body disposed on a plane, and the machine body includes: a feeding channel disposed above the machine body, and the feeding channel is fixedly connected to the machine body; rollers are disposed in the middle of the feeding channel, there are a plurality of rollers, and the plurality of rollers are evenly distributed in the middle of the feeding channel; a support frame is disposed above the machine body, and the support frame is fixedly connected to the machine body; a necking device is disposed above the machine body, and the necking device is fixedly connected to the machine body; a clamping device is disposed above the machine body, and the clamping device is fixedly connected to the support frame; an oiling device is disposed above the machine body, and the oiling device is fixedly connected to the support frame; a fixing device is disposed above the machine body, and the fixing device is fixedly connected to the machine body. The present invention is used to solve the problem that the existing necking device will cause wear on the surface of the necking end when necking the steel pipe.

Description

Technical Field

[0001] The present invention relates to the technical field of steel pipe processing, and particularly relates to a steel pipe necking processing device and a using method thereof. Background Art

[0002] At present, steel pipes are widely used in many fields of industry. For example, movable scaffolds in engineering construction, water conveyance in water conservancy and hydropower, and outer pipe protection in the power cable industry all use steel pipes. At the same time, in order for steel pipes to be used in different fields, targeted processing is required. Generally, steel pipes need to be polished, drilled, chamfered, necked, etc.

[0003] At present, a necking machine is often used to reduce the diameter of the steel pipe port. After the steel pipe port is processed by the necking machine, it can be inserted and matched with other pipe workpieces. However, when the existing necking machine necks the steel pipe, it often directly performs forced necking on the steel pipe. The friction between the contact surfaces of the steel pipe during necking by the necking machine is very large, which easily causes wear on the surface of the steel pipe. Moreover, after the steel pipe is necked, it is usually sleeved with other steel pipes. During the sleeving process, due to partial wear at the necked end, it is quite laborious to sleeve. Therefore, a device that can reduce the necking pressure and the degree of wear without changing during the necking of the steel pipe is needed. Summary of the Invention

[0004] The purpose of the present invention is to provide a steel pipe necking processing device, which is used to solve the problem that the existing necking device causes wear on the surface of the necked end when necking the steel pipe.

[0005] To achieve the above object, the embodiments of the present application adopt the following technical solutions: A steel pipe necking processing device, comprising: a machine body, which is arranged on a plane, and the machine body includes: a feeding channel, which is arranged above the machine body, and the feeding channel is fixedly connected to the machine body. The middle of the feeding channel is hollow; rollers, which are arranged in the middle of the feeding channel, and the rollers are movably connected to the feeding channel. There are a plurality of rollers, and the plurality of rollers are evenly distributed in the middle of the feeding channel; a support frame, which is arranged above the machine body, and the support frame is fixedly connected to the machine body; a necking device, which is arranged above the machine body, and the necking device is fixedly connected to the machine body. The necking device is arranged opposite to the feeding channel, and there is a spacing between the necking device and the feeding channel. The necking device is used for necking the steel pipe; a clamping device, which is arranged above the machine body, and the clamping device is fixedly connected to the support frame. The clamping device and the feeding channel are concentric; an oiling device, which is arranged above the machine body, and the oiling device is fixedly connected to the support frame. The oiling device is located on one side of the clamping device, and there is a spacing between the oiling device and the clamping device; a fixing device, which is arranged above the machine body, and the fixing device is fixedly connected to the machine body. The fixing device is located on the processing side of the necking device, and the fixing device is used for fixing the steel pipe.

[0006] In the above technical solution, the present application adopts a clamping device, an oiling device, a necking device, and a fixing device. The steel pipe is surface-oiled by the oiling device. When the steel pipe is fed, the steel pipe passes through the oiling device to form a lubricating oil coating layer on the surface of the steel pipe. Then, the clamping device removes the excess lubricating oil coating layer on the surface of the steel pipe to reduce lubricating oil waste and reduce splashing on the fixing device and the necking device during the movement of the steel pipe. The oiling device applies lubricating oil to the surface of the steel pipe to reduce the wear on the surface of the steel pipe caused by the forced necking of the necking device during the necking of the steel pipe. Moreover, the worn surface after the necking of the steel pipe cannot be conveniently and quickly docked with other steel pipes.

[0007] Further, in the embodiments of the present invention, the machine body further includes: a discharge rack, which is arranged on the front side of the machine body, and the discharge rack is fixedly connected to the machine body. The upper surface of the discharge rack is not higher than the upper surface of the machine body; a guide plate, which is arranged above the machine body, and the guide plate is arranged inside the support frame. The opposite sides of the guide plate are fixedly connected to the inner wall surface of the support frame; a discharge plate, which is arranged inside the machine body, and the discharge plate is located on the right side of the necking device. The discharge plate is used to push the steel pipe to move onto the guide plate.

[0008] Further, in the embodiment of the present invention, the inside of the support frame is completely hollow. The support frame is fixedly connected to the machine body through support columns at the four corners, and the support frame is arranged between the necking device and the feed channel; the clamping device is located on the left side of the feed channel, and an oiling device is arranged on the right side of the clamping device, and there is a gap between the fixing device and the necking device; the guide plate is arc-shaped, the discharge plate is arranged below the guide plate, one end of the guide plate is matched with the discharge rack, and the other end of the inverted material plate is matched with the fixing device.

[0009] Further, in the embodiment of the present invention, the clamping device includes: a placing column, which is arranged inside the support frame and fixedly connected to the support frame. One end of the placing column protrudes from the inner wall surface of the support frame, and the placing column and the feed channel are concentric; a rotating cover, which is arranged on one side of the placing column and is movably connected to the placing column; an oil suction tank, which is arranged above the machine body and fixedly connected to the support frame; an oil guide pipe, which is arranged below the oil suction tank, one end of the oil guide pipe is fixedly connected to the oil suction tank, and the other end of the oil guide pipe is fixedly connected to the placing column; an oil outlet pipe, which is arranged on one side of the oil suction tank and is fixedly connected to the oil suction tank; a rotating motor, which is arranged inside the placing column, and one end of the rotating motor is in mating connection with the rotating cover; a collecting tank, which is arranged outside the machine body, and the inside of the collecting tank is hollow.

[0010] Further, in the embodiment of the present invention, the rotating cover is L-shaped, and a gear is arranged at one end of the rotating cover. The gear of the rotating cover meshes with the gear at one end of the rotating motor; the rotating cover and the placing column are movably connected through a rotating shaft, and the rotating cover rotates around the axis of the rotating shaft. A circular channel is formed between the rotating cover and the placing column for passing through the steel pipe.

[0011] Further, in the embodiment of the present invention, through holes are arranged on the lower surface of the placing column, and the through holes of the placing column penetrate the lower surface of the placing column. The through holes of the placing column are matched with the oil guide pipe, and the oil guide pipe covers the through holes of the placing column; a pressing plate is arranged inside the oil suction tank, and the outer periphery of the pressing plate is in contact with the inner wall surface of the oil suction tank. One end of the oil outlet pipe corresponds to the collecting tank, and the end of the oil outlet pipe connected to the oil suction tank is higher than the pressing plate.

[0012] Further, in the embodiment of the present invention, the oiling device includes: a guiding shell, which is arranged on the lower surface of the support frame, fixedly connected to the support frame, and the interior of the guiding shell is hollow; a sliding rod, which is arranged inside the guiding shell, movably connected to the guiding shell, and the sliding rod moves along the extending direction of the guiding shell; a rotating wheel, which is arranged on one side of the sliding rod and movably connected to the sliding rod; a connecting frame, which is arranged on one side of the guiding shell and movably connected to the guiding shell; an adjusting motor, which is arranged on the surface of the connecting frame and cooperatively connected to the rotating wheel; a rotating plate, which is arranged inside the rotating wheel and not in contact with the rotating wheel; an oiling shell, which is arranged on one side of the rotating plate and cooperatively connected to the rotating plate; a pressing plate, which is arranged above the oiling shell and in contact with the oiling shell; a connecting rod, which is arranged on one side of the rotating wheel, with one end connected to the rotating wheel and the other end connected to the rotating plate; a return spring, which is arranged on one side of the pressing plate and fixedly connected to the pressing plate; a ball, which is arranged inside the oiling shell and movably connected to the oiling shell; a lifting motor, which is arranged on the upper surface of the support frame, fixedly connected to the support frame, and used to control the movement of the sliding rod.

[0013] Further, in the embodiment of the present invention, the sliding rod and the rotating wheel are connected by a circular plate at one end of the sliding rod. The circular plate and the rotating wheel are movably connected through an internal annular protrusion, and the rotating wheel rotates around the center of the circular plate. A tooth groove is arranged on the outer periphery of the rotating wheel, and the tooth groove of the rotating wheel is meshed and connected with the gear of the adjusting motor.

[0014] Further, in the embodiment of the present invention, the connecting frame moves along the extending direction of the guiding shell and follows the movement of the sliding rod. The rotating plate is an arc-shaped plate, and three rotating plates are arranged to form a complete circle. The rotating plate cooperates with the circular plate of the sliding rod, has the same center as the rotating wheel, and is connected to the oiling shell through an inner column. The inner column has the same shape as the oiling shell and is smaller than the size of the oiling shell. One end of the pressing plate is cooperatively connected to the circular plate of the sliding rod, one end of the pressing plate is set to be inclined, and the inclined side of the pressing plate is connected to the return spring.

[0015] The embodiment of the present invention also discloses a usage method of a steel pipe necking processing device, including the following steps:

[0016] The steel pipe is conveyed to the oiling device through the rollers inside the feeding channel. While the steel pipe moves towards the oiling device through the rollers, the steel pipe passes through the rotating plate of the oiling device. The adjustment motor drives the rotating wheel to rotate, and the rotating wheel drives the connecting rod to drive the displacement of the rotating plate. While the rotating wheel rotates, the three rotating plates rotate simultaneously in the same direction. After rotating and moving through a certain angle, the three rotating plates form a complete circle covering the outer circumference of the steel pipe;

[0017] The ball moves. After the rotating plate covers the outer circumference of the steel pipe, the balls inside the oiling shell fit against the outer circumference of the steel pipe. Under the pressure of the steel pipe, the balls are pushed upwards inside the oiling shell. Through the displacement of the balls, the lubricating oil inside the oiling shell flows out. When the steel pipe continuously moves through the rollers, the oiling shell coats the outer wall surface of the steel pipe with lubricating oil;

[0018] The clamping device starts. When the steel pipe coated with lubricating oil passes through the clamping device, the steel pipe passes through the circular channel formed by the placement column and the rotating cover of the clamping device. When the steel pipe passes through the circular channel, the circular channel formed by the rotating cover and the placement column fits against the outer wall surface of the steel pipe to scrape off some of the excess lubricating oil on the steel pipe wall. After the excess lubricating oil on the steel pipe is scraped off, the lubricating oil flows into the oil guide pipe connected to the placement column;

[0019] After the excess lubricating oil flows into the oil guide pipe, the pressing plate inside the oil suction tank concentrates the lubricating oil in the oil guide pipe into the oil suction tank. When the lubricating oil in the oil suction tank reaches the height of the oil outlet pipe, the lubricating oil flows along the oil outlet pipe to the oil collection tank for centralized recovery of the lubricating oil;

[0020] After the steel pipe removes the excess lubricating oil through the clamping device, one end of the steel pipe moves out of the end face of the fixing device of the steel pipe moving fixing device and then the steel pipe is fixedly clamped by the fixing device. Then, the necking device is used to neck one end of the steel pipe. After the necking of the steel pipe is completed, the fixing device cancels the fixed clamping. Then, the discharging plate rotates to move the steel pipe out of the fixing device and move it towards the guiding plate and then move it towards the discharging rack for discharging the steel pipe.

[0021] The beneficial effects of the present invention are as follows: First, the steel pipe necking processing device of the present invention can reduce the degree of wear on the necking surface of the steel pipe during steel pipe processing, thereby improving the uniformity of the steel pipe surface. First, after the steel pipe is transported to the oiling device through the roller, the steel pipe lifts the ball inside the oiling shell upward, thereby using the ball to open the oil outlet inside the oiling shell, and the lubricating oil flows out from the gap between the oiling shell and the ball to coat the surface of the steel pipe with lubricating oil, and the ball can also make the surface of the steel pipe evenly coated with lubricating oil, so that the surface of the steel pipe can be coated with a large range, reducing the wear of the steel pipe surface during the subsequent shrinking of the steel pipe. The lubricating oil is used to protect the surface of the steel pipe necking when the steel pipe is shrunken, reducing the friction of the shrinking device on the steel pipe, without reducing the shrinking pressure, while maintaining the shrinking effect and reducing the wear of the steel pipe surface after shrinking. Secondly, after the steel pipe is coated with lubricating oil by the oiling device through the clamping device, the clamping device scrapes off excess lubricating oil on the surface of part of the steel pipe. The scraped lubricating oil is recovered through the oil guide pipe, the oil suction box, and the pressure plate to reduce the waste of lubricating oil. Scraping off excess lubricating oil on the steel pipe before shrinking the steel pipe can also prevent excess lubricating oil from dripping on the shrinking device and the fixing device before the steel pipe moves to the shrinking device, causing oil accumulation and affecting the clamping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present application is further described below in conjunction with the accompanying drawings and embodiments.

[0023] Figure 1 It is a front view of a steel pipe necking processing device according to an embodiment of the present invention.

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of a steel pipe necking processing device according to an embodiment of the present invention.

[0025] Figure 3 The present invention is a cross-sectional view of the interior of a clamping device of a steel pipe necking processing device according to an embodiment of the present invention.

[0026] Figure 4 It is a schematic structural diagram of an oiling device of a steel pipe necking processing device according to an embodiment of the present invention.

[0027] Figure 5 yes Figure 4 Enlarged structural diagram of the oiling device.

[0028] Figure 6 It is a schematic structural diagram of the steel pipe necking processing device according to an embodiment of the present invention when the oiling device is not in use.

[0029] Figure 7 It is a schematic diagram of the structure of clamping a steel pipe after the oiling device of the steel pipe necking processing device according to an embodiment of the present invention is used.

[0030] Figure 8It is a schematic diagram of the working process of the steel pipe necking processing device according to an embodiment of the present invention.

[0031] Figure 9 It is a schematic diagram of the working process of the oiling device of the steel pipe necking processing device according to an embodiment of the present invention.

[0032] 10. Body 101. Support frame 102. Roller

[0033] 103. Feeding channel 104. Discharge rack 105. Guide plate

[0034] 106. Discharge plate 20. Necking device 30. Steel pipe

[0035] 40. Clamping device 401. Rotating cover 402. Placing column

[0036] 403. Oil suction tank 404. Oil guide pipe 405. Oil outlet pipe

[0037] 406. Rotating motor 407. Oil collecting tank 50. Oiling device

[0038] 501. Slide bar 502. Guide housing 503. Rotating wheel

[0039] 504. Adjusting motor 505. Rotating plate 506. Oiling housing

[0040] 507. Extrusion plate 508. Connecting rod 509. Return spring

[0041] 510. Ball 511. Connecting frame 512. Lifting motor

[0042] 60. Fixing device 601. Lower press Specific embodiments

[0043] In order to clearly and completely describe the objectives, technical solutions, and advantages of the present invention, the following further elaborates on the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only a part of the embodiments of the present invention, rather than all of the embodiments, and are merely used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0044] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0045] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" shall be construed broadly. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] For the sake of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are set forth in order to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring these embodiments. Additionally, all embodiments may be used in combination with each other.

[0047] Embodiment 1:

[0048] Such as Figure 1 、 2As shown in the figure, this embodiment discloses a steel pipe 30 necking processing device, including: a machine body 10, a feeding channel 103, rollers 102, a support frame 101, a necking device 20, a clamping device 40, an oiling device 50, and a fixing device 60. The machine body 10 is arranged on a plane. The machine body 10 includes: a feeding channel 103, which is arranged above the machine body 10 and fixedly connected to the machine body 10. The middle of the feeding channel 103 is hollow; rollers 102, which are arranged in the middle of the feeding channel 103 and movably connected to the feeding channel 103. There are multiple rollers 102, and the multiple rollers 102 are evenly distributed in the middle of the feeding channel 103; a support frame 101, which is arranged above the machine body 10 and fixedly connected to the machine body 10; a necking device 20, which is arranged above the machine body 10 and fixedly connected to the machine body 10. The necking device 20 is arranged opposite to the feeding channel 103, and there is a spacing between the necking device 20 and the feeding channel 103. The necking device 20 is used for necking the steel pipe 30; a clamping device 40, which is arranged above the machine body 10 and fixedly connected to the support frame 101. The clamping device 40 and the feeding channel 103 are concentric; an oiling device 50, which is arranged above the machine body 10 and fixedly connected to the support frame 101. The oiling device 50 is located on one side of the clamping device 40, and there is a spacing between the oiling device 50 and the clamping device 40; a fixing device 60, which is arranged above the machine body 10 and fixedly connected to the machine body 10. The fixing device 60 is located on the processing side of the necking device 20, and the fixing device 60 is used for fixing the steel pipe 30. The fixing device 60 adopts a down press 601.

[0049] This application adopts a clamping device 40, an oiling device 50, a necking device 20, and a fixing device 60. The surface of the steel pipe 30 is oiled by the oiling device 50. When the steel pipe 30 is fed, the steel pipe 30 passes through the oiling device 50 to form a lubricating oil coating layer on the surface of the steel pipe 30. Then, the excess lubricating oil coating layer on the surface of the steel pipe 30 is removed by the clamping device 40 to reduce lubricating oil waste and reduce the random dripping on the fixing device 60 and the necking device 20 during the movement of the steel pipe 30. By applying lubricating oil to the surface of the steel pipe 30 by the oiling device 50, the wear on the surface of the steel pipe 30 caused by the forced necking of the necking device 20 during the necking of the steel pipe 30 can be reduced, and it is not convenient to quickly dock the worn surface with other steel pipes 30 after the necking of the steel pipe 30.

[0050] The machine body 10 further includes: a discharging rack 104, which is arranged on the front side of the machine body 10, fixedly connected to the machine body 10, and the upper surface of the discharging rack 104 is not higher than the upper surface of the machine body 10; a guiding plate 105, which is arranged above the machine body 10, inside the support frame 101, and the opposite sides of the guiding plate 105 are fixedly connected to the inner wall surface of the support frame 101; a discharging plate 106, which is arranged inside the machine body 10, on the right side of the necking device 20, and the discharging plate 106 is used to push the steel pipe 30 to move onto the guiding plate 105.

[0051] The inside of the support frame 101 is completely hollow. The support frame 101 is fixedly connected to the machine body 10 through the support columns at the four corners, and the support frame 101 is arranged between the necking device 20 and the feeding channel 103; the clamping device 40 is located on the left side of the feeding channel 103, and an oiling device 50 is arranged on the right side of the clamping device 40. There is a gap between the fixing device 60 and the necking device 20; the guiding plate 105 is arc-shaped, the discharging plate 106 is arranged below the guiding plate 105, one end of the guiding plate 105 is matched with the discharging rack 104, and the other end of the discharging plate is matched with the fixing device 60.

[0052] As Figure 2 、 3 shown, specifically, the clamping device 40 includes: a placing column 402, which is arranged inside the support frame 101, fixedly connected to the support frame 101, one end of the placing column 402 extends out of the inner wall surface of the support frame 101, and the placing column 402 and the feeding channel 103 are concentric; a rotating cover 401, which is arranged on one side of the placing column 402 and is movably connected to the placing column 402; an oil suction tank 403, which is arranged above the machine body 10 and is fixedly connected to the support frame 101; an oil guiding pipe 404, which is arranged below the oil suction tank 403, one end of the oil guiding pipe 404 is fixedly connected to the oil suction tank 403, and the other end of the oil guiding pipe 404 is fixedly connected to the placing column 402; an oil outlet pipe 405, which is arranged on one side of the oil suction tank 403 and is fixedly connected to the oil suction tank 403; a rotating motor 406, which is arranged inside the placing column 402, and one end of the rotating motor 406 is cooperatively connected to the rotating cover 401; an oil collecting tank 407, which is arranged outside the machine body 10, and the inside of the oil collecting tank 407 is hollow.

[0053] The rotary cover 401 is arranged in an L shape, and a gear is provided at one end of the rotary cover 401. The gear of the rotary cover 401 meshes with the gear at one end of the rotary motor 406; the rotary cover 401 is movably connected to the placement column 402 through a rotating shaft, and the rotary cover 401 rotates around the axis of the rotating shaft. A circular channel is formed between the rotary cover 401 and the placement column 402 for the steel pipe 30 to pass through.

[0054] A through hole is provided on the lower surface of the placement column 402. The through hole of the placement column 402 penetrates the lower surface of the placement column 402. The through hole of the placement column 402 is matched with the oil guide pipe 404, and the oil guide pipe 404 covers the through hole of the placement column 402; a pumping plate is arranged inside the oil suction tank 403. The outer periphery of the pumping plate is in contact with the inner wall surface of the oil suction tank 403. One end of the oil outlet pipe 405 corresponds to the oil collection tank 407, and the end of the oil outlet pipe 405 connected to the oil suction tank 403 is higher than the pumping plate. After the steel pipe 30 is coated with lubricating oil by the oil coating device 50, the clamping device 40 scrapes off part of the excess lubricating oil on the surface of the steel pipe 30. The scraped lubricating oil is recycled and concentrated through the oil guide pipe 404, the oil suction tank 403, and the pumping plate to reduce the waste of lubricating oil. Scrapping the excess lubricating oil on the steel pipe 30 before necking can also prevent the excess lubricating oil on the steel pipe 30 from splashing on the necking device 20 and the fixing device 60 before the steel pipe 30 moves to the necking device 20, causing oil stains to accumulate and affecting the clamping effect.

[0055] Such as Figure 4 , 5, as shown in Figures 6 and 7. Specifically, the oiling device 50 includes: a guiding shell 502 disposed on the lower surface of the support frame 101, fixedly connected to the support frame 101, with a hollow interior; a sliding rod 501 disposed inside the guiding shell 502, movably connected to the guiding shell 502, and moving along the extension direction of the guiding shell 502; a rotating wheel 503 disposed on one side of the sliding rod 501, movably connected to the sliding rod 501; a connecting frame 511 disposed on one side of the guiding shell 502, movably connected to the guiding shell 502; an adjusting motor 504 disposed on the surface of the connecting frame 511, cooperatively connected to the rotating wheel 503; a rotating plate 505 disposed inside the rotating wheel 503, not in contact with the rotating wheel 503; an oiling shell 506 disposed on one side of the rotating plate 505, cooperatively connected to the rotating plate 505; a pressing plate 507 disposed above the oiling shell 506, in contact with the oiling shell 506; a connecting rod 508 disposed on one side of the rotating wheel 503, with one end connected to the rotating wheel 503 and the other end connected to the rotating plate 505; a return spring 509 disposed on one side of the pressing plate 507, fixedly connected to the pressing plate 507; a ball 510 disposed inside the oiling shell 506, movably connected to the oiling shell 506; a lifting motor 512 disposed on the upper surface of the support frame 101, fixedly connected to the support frame 101, and used to control the movement of the sliding rod 501.

[0056] The sliding rod 501 is connected to the rotating wheel 503 through a circular plate at one end of the sliding rod 501. The circular plate is movably connected to the rotating wheel 503 through an internal annular protrusion, and the rotating wheel 503 rotates around the center of the circular plate. A tooth groove is provided on the outer periphery of the rotating wheel 503, and the tooth groove of the rotating wheel 503 is meshed with the gear of the adjusting motor 504.

[0057] The connecting frame 511 moves along the extending direction of the guiding shell 502, and the connecting frame 511 follows the movement of the sliding rod 501; the rotating plate 505 is an arc-shaped plate, and there are three rotating plates 505. The three rotating plates 505 form a complete circle. The rotating plate 505 cooperates with the circular plate of the sliding rod 501. The rotating plate 505 and the rotating wheel 503 have the same center of the circle. The rotating plate 505 is connected to the oiling shell 506 through an inner column. The inner column has the same shape as the oiling shell 506, and the size of the inner column is smaller than that of the oiling shell 506; one end of the pressing plate 507 is connected to the circular plate of the sliding rod 501 in a mating manner. One end of the pressing plate 507 is set to be inclined, and the inclined side of the pressing plate 507 is connected to the return spring 509. After the steel pipe 30 is conveyed to the oiling device 50 through the roller 102 by the oiling device 50, the steel pipe 30 jacks up the ball 510 inside the oiling shell 506 upward, so as to use the ball 510 to open the oil outlet hole inside the oiling shell 506. The lubricating oil flows out from the gap between the oiling shell 506 and the ball 510 to coat the surface of the steel pipe 30 with lubricating oil. And through the ball 510, the surface of the steel pipe 30 can also be evenly coated with lubricating oil, so that a large area of the surface of the steel pipe 30 can be coated, reducing the wear degree of the surface of the steel pipe 30 during the subsequent necking of the steel pipe 30. Using the lubricating oil to protect the surface of the necking of the steel pipe 30 during the necking of the steel pipe 30, reducing the friction of the necking device 20 on the steel pipe 30, and not reducing the necking pressure, while maintaining the necking effect, reducing the wear degree of the surface of the steel pipe 30 after necking.

[0058] After the surface of the steel pipe 30 is coated with lubricating oil by the oiling device 50, the rotating wheel 503 rotates in the opposite direction to rotate the rotating plate 505 in the opposite direction. The rotating plate 505 rotates in the opposite direction by utilizing the outer arc surface of the rotating plate 505 to lift the extrusion plate 507 and move it along its own inclined surface in a square shape. When the extrusion plate 507 moves obliquely, the extrusion plate 507 and the oiling shell 506 are closely fitted together. The movement of the extrusion plate 507 drives the oiling shell 506 toward the rotating plate 505, so that the ball 510 in the oiling shell 506 fits with the inner column of the rotating plate 505. The ball 510 moves downward through the inner column to block the oil outlet of the oiling shell 506, realizing oil sealing. When it is not in contact with the steel pipe 30, oil will not continue to flow out, thereby reducing the waste of lubricating oil. The oiling device 50 and the clamping device 40 are used simultaneously. During the oiling process of the steel pipe 30, the steel pipe 30 that has been coated with lubricating oil uses the clamping device 40 to scrape off the excess lubricating oil on the surface of the steel pipe 30, reducing the lubricating oil splashing around the device during the movement of the steel pipe 30 and causing oil pollution. Moreover, most of the lubricating oil coated on the steel pipe 30 is also the bottom surface of the steel pipe 30, which will form lubricating oil water droplets. The water droplets on the bottom surface of the steel pipe 30 are removed by the clamping device 40, which means that the excess lubricating oil is recovered, reducing the phenomenon of lubricating oil splashing around and reducing the waste of lubricating oil. After the steel pipe 30 is shrunken, the discharging plate 106 is used to automatically remove the shrunken steel pipe 30, reducing the situation of manual automatic removal, improving the continuity of the shrinking of the steel pipe 30, and the surface of the shrunken steel pipe 30 with some lubricating oil can also be easily docked with other steel pipes 30, reducing docking obstacles.

[0059] like Figure 8 , 9 As shown, a method for using a steel pipe 30 necking processing device is finally provided, comprising the following steps:

[0060] The steel pipe 30 is transported to the oil coating device 50 through the roller 102 inside the feed channel 103. When the steel pipe 30 passes through the roller 102 and moves toward the oil coating device 50, the steel pipe 30 passes through the rotating plate 505 of the oil coating device 50. The adjustment motor 504 drives the rotating wheel 503 to rotate. The rotating wheel 503 rotates and drives the connecting rod 508 to drive the rotating plate 505 to move. When the rotating wheel 503 rotates, the three rotating plates 505 rotate in the same direction at the same time. After the rotation angle, the three rotating plates 505 form a complete circle covering the outer circumference of the steel pipe 30.

[0061] The ball 510 is displaced. After the rotating plate 505 covers the outer circumference of the steel pipe 30, the ball 510 inside the oil coating shell 506 is attached to the outer circumference of the steel pipe 30. Under the pressure of the steel pipe 30, the ball 510 is pushed upward inside the oil coating shell 506. The lubricating oil inside the oil coating shell 506 flows out through the displacement of the ball 510. When the steel pipe 30 continues to move through the roller 102, the oil coating shell 506 applies lubricating oil to the outer wall surface of the steel pipe 30.

[0062] The clamping device 40 is activated. When the steel pipe 30 coated with lubricating oil passes through the clamping device 40, the steel pipe 30 passes through the circular channel formed by the placement column 402 and the rotating cover 401 of the clamping device 40. When the steel pipe 30 passes through the circular channel, the circular channel formed by the rotating cover 401 and the placement column 402 fits with the outer wall surface of the steel pipe 30 to partially scrape off the excess lubricating oil on the wall surface of the steel pipe 30. After the excess lubricating oil on the steel pipe 30 is scraped off, the lubricating oil flows into the oil guide pipe 404 connected to the placement column 402;

[0063] After the excess lubricating oil flows into the oil guide pipe 404, the pumping plate in the oil suction tank 403 concentrates the lubricating oil in the oil guide pipe 404 into the oil suction tank 403. When the lubricating oil in the oil suction tank 403 reaches the height of the oil outlet pipe 405, the lubricating oil flows along the oil outlet pipe 405 to the oil collection tank 407 for centralized recovery of the lubricating oil;

[0064] After the excess lubricating oil on the steel pipe 30 is removed through the clamping device 40, the steel pipe 30 moves to the fixing device 60, and one end of the steel pipe 30 extends beyond the end face of the fixing device 60. Then, the fixing device 60 fixes and clamps the steel pipe 30, and then the necking device 20 is used to neck one end of the steel pipe 30. After the necking of the steel pipe 30 is completed, the fixing device 60 cancels the fixed clamping. Then, the discharging plate 106 rotates to move the steel pipe 30 out of the fixing device 60 and move it to the guiding plate 105 and then move it to the discharging rack 104 for discharging the steel pipe 30.

[0065] Although the above describes the illustrative specific embodiments of the present application for the convenience of those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims, all application creations using the concept of the present application are within the scope of protection.

Claims

1. A steel pipe necking processing device, wherein, it includes: a body, the body is arranged on a plane, and the body includes: a feeding channel, the feeding channel is arranged above the body, the feeding channel is fixedly connected to the body, and the middle of the feeding channel is hollow; rollers, the rollers are arranged in the middle of the feeding channel, the rollers are movably connected to the feeding channel, there are multiple rollers, and the multiple rollers are evenly distributed in the middle of the feeding channel; a support frame, the support frame is arranged above the body, and the support frame is fixedly connected to the body; a necking device, the necking device is arranged above the body, the necking device is fixedly connected to the body, the necking device is arranged opposite to the feeding channel, there is a spacing between the necking device and the feeding channel, and the necking device is used for necking the steel pipe; a clamping device, the clamping device is arranged above the body, the clamping device is fixedly connected to the support frame, and the clamping device and the feeding channel are concentric; an oiling device, the oiling device is arranged above the body, the oiling device is fixedly connected to the support frame, the oiling device is located on one side of the clamping device, and there is a spacing between the oiling device and the clamping device; a fixing device, the fixing device is arranged above the body, the fixing device is fixedly connected to the body, the fixing device is located on the processing side of the necking device, and the fixing device is used for fixing the steel pipe; the body further includes: a discharge rack, the discharge rack is arranged on the front side of the body, the discharge rack is fixedly connected to the body, and the upper surface of the discharge rack is not higher than the upper surface of the body; a guide plate, the guide plate is arranged above the body, the guide plate is arranged inside the support frame, and the opposite sides of the guide plate are fixedly connected to the inner wall surface of the support frame; a discharge plate, the discharge plate is arranged inside the body, the discharge plate is located on the right side of the necking device, and the discharge plate is used for pushing the steel pipe to move onto the guide plate; The clamping device includes: a placing column, which is arranged inside the support frame, fixedly connected to the support frame. One end of the placing column protrudes from the inner wall surface of the support frame, and the placing column and the feeding channel are concentric; a rotating cover, which is arranged on one side of the placing column and is movably connected to the placing column; an oil suction tank, which is arranged above the machine body and is fixedly connected to the support frame; an oil guiding pipe, which is arranged below the oil suction tank. One end of the oil guiding pipe is fixedly connected to the oil suction tank, and the other end of the oil guiding pipe is fixedly connected to the placing column; an oil outlet pipe, which is arranged on one side of the oil suction tank and is fixedly connected to the oil suction tank; a rotating motor, which is arranged inside the placing column, and one end of the rotating motor is in mating connection with the rotating cover; an oil collecting tank, which is arranged outside the machine body, and the inside of the oil collecting tank is hollow; The oiling device includes: a guiding shell, which is arranged on the lower surface of the support frame and is fixedly connected to the support frame, and the inside of the guiding shell is hollow; a sliding rod, which is arranged inside the guiding shell and is movably connected to the guiding shell, and the sliding rod moves along the extending direction of the guiding shell; a rotating wheel, which is arranged on one side of the sliding rod and is movably connected to the sliding rod; a connecting frame, which is arranged on one side of the guiding shell and is movably connected to the guiding shell; an adjusting motor, which is arranged on the surface of the connecting frame and is in mating connection with the rotating wheel; a rotating plate, which is arranged inside the rotating wheel and is not in contact with the rotating wheel; an oiling shell, which is arranged on one side of the rotating plate and is in mating connection with the rotating plate; a pressing plate, which is arranged above the oiling shell and is in contact with the oiling shell; a connecting rod, which is arranged on one side of the rotating wheel. One end of the connecting rod is connected to the rotating wheel, and the other end of the connecting rod is connected to the rotating plate; a return spring, which is arranged on one side of the pressing plate and is fixedly connected to the pressing plate; a ball, which is arranged inside the oiling shell and is movably connected to the oiling shell; a lifting motor, which is arranged on the upper surface of the support frame and is fixedly connected to the support frame, and the lifting motor is used to control the movement of the sliding rod; The rotating cover is arranged in an L shape, and a gear is arranged at one end of the rotating cover. The gear of the rotating cover meshes with the gear at one end of the rotating motor; the rotating cover and the placing column are movably connected through a rotating shaft, and the rotating cover rotates around the axis of the rotating shaft. A circular channel is formed between the rotating cover and the placing column for the steel pipe to pass through; Among them, the inside of the support frame is completely hollow. The support frame is fixedly connected to the machine body through the support columns at the four corners. The support frame is arranged in the middle of the necking device and the feeding channel; The clamping device is located on the left side of the feeding channel. An oiling device is arranged on the right side of the clamping device. There is a gap between the fixing device and the necking device; The guide plate is arranged in an arc shape. The discharge plate is arranged below the guide plate. One end of the guide plate is matched with the discharge rack, and the other end of the guide plate is matched with the fixing device.

2. A steel pipe necking processing device according to claim 1, Among them, A through hole is provided on the lower surface of the placing column. The through hole of the placing column penetrates the lower surface of the placing column. The through hole of the placing column is matched with the oil guide pipe, and the oil guide pipe covers the through hole of the placing column; A pressing plate is arranged inside the oil suction tank. The outer periphery of the pressing plate is in contact with the inner wall surface of the oil suction tank. One end of the oil outlet pipe corresponds to the oil collecting tank, and the end of the oil outlet pipe connected to the oil suction tank is higher than the pressing plate.

3. A steel pipe necking processing device according to claim 1, Among them, The sliding rod and the rotating wheel are connected through a circular plate at one end of the sliding rod. The circular plate and the rotating wheel are movably connected through an internal annular protrusion. The rotating wheel rotates around the center of the circular plate; Tooth grooves are provided on the outer periphery of the rotating wheel. The tooth grooves of the rotating wheel are meshed and connected with the gear of the adjustment motor.

4. A steel pipe necking processing device according to claim 3, Among them, The connecting frame moves along the extending direction of the guiding shell. The connecting frame follows the movement of the sliding rod; the rotating plate is an arc-shaped plate. There are three rotating plates. The three rotating plates form a complete circle. The rotating plate is matched with the circular plate of the sliding rod. The rotating plate and the rotating wheel have the same center of the circle. The rotating plate and the oiling shell are connected through an inner column. The inner column has the same shape as the oiling shell. The inner column is smaller than the size of the oiling shell; One end of the pressing plate is connected in cooperation with the circular plate of the sliding rod. One end of the pressing plate is set to be inclined. The inclined side of the pressing plate is connected to the return spring.

5. A usage method of a steel pipe necking processing device as described in claim 1 of the patent claim book, including the following steps: The steel pipe is conveyed to the oiling device through the rollers inside the feeding channel. While the steel pipe moves towards the oiling device through the rollers, the steel pipe passes through the rotating plate of the oiling device. The adjustment motor drives the rotating wheel to rotate. The rotating wheel drives the connecting rod to drive the rotating plate to displace. While the rotating wheel rotates, the three rotating plates rotate simultaneously in the same direction. After rotating and moving an angle, the three rotating plates form a complete circle covering the outer periphery of the steel pipe; The ball displaces. After the rotating plate covers the outer periphery of the steel pipe, the balls inside the oiling shell fit against the outer periphery of the steel pipe. Under the pressure of the steel pipe, the balls are pushed up inside the oiling shell. The lubricating oil inside the oiling shell flows out through the displacement of the balls. When the steel pipe continuously moves through the rollers, the oiling shell coats the lubricating oil on the outer wall surface of the steel pipe; The clamping device is activated. When the steel pipe coated with lubricating oil passes through the clamping device, the steel pipe passes through the circular channel formed by the placement column and the rotating cover of the clamping device. When the steel pipe passes through the circular channel, the circular channel formed by the rotating cover and the placement column fits against the outer wall surface of the steel pipe to partially scrape off the excess lubricating oil on the steel pipe wall surface. After the excess lubricating oil on the steel pipe is scraped off, the lubricating oil flows into the oil guide pipe connected to the placement column; After the excess lubricating oil flows into the oil guide pipe, the pumping plate in the oil suction tank concentrates the lubricating oil in the oil guide pipe into the oil suction tank. When the lubricating oil in the oil suction tank reaches the height of the oil outlet pipe, the lubricating oil flows along the oil outlet pipe to the oil collection tank for centralized recovery of the lubricating oil; After the excess lubricating oil on the steel pipe is removed by passing through the clamping device, one end of the steel pipe of the steel pipe moving and fixing device extends beyond the end face of the fixing device, and then the steel pipe is fixedly clamped by the fixing device. Then, the necking device is used to neck one end of the steel pipe. After the necking of the steel pipe is completed, the fixing device cancels the fixed clamping. Then, the discharging plate rotates to move the steel pipe out of the fixing device and guide it to the guide plate to move towards the discharging rack for discharging the steel pipe.

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