Rough cutting and grinding device for end of 3PE anti-corrosion pipe

Abstract

A 3PE anti-corrosion pipe end rough grinding device comprises a first grinding component, a second grinding component and a supporting component arranged between the first grinding component and the second grinding component. The first grinding component and the second grinding component are the same in structure. The first grinding component comprises a base, a pipe body rotating assembly, a grinding assembly and a height adjusting assembly. The pipe body rotating assembly is arranged at one end of the base, the grinding assembly is arranged at the other end of the base, and the height adjusting assembly is arranged below the grinding assembly. The grinding assembly comprises a power part, a grinding wheel and a supporting plate. The power part is arranged on the supporting plate, the grinding wheel is installed at the output end of the power part, a scrap collecting groove is formed in the supporting plate, and the lower half portion of the grinding wheel is surrounded by the scrap collecting groove; and the scrap collecting tank is communicated with the negative pressure collecting bin through a pipeline. When the anti-corrosion pipe grinding device is used, the height adjusting assembly can control the height of the grinding assembly so that the anti-corrosion pipe grinding device can adapt to grinding of anti-corrosion pipes with different pipe diameters; and chippings and smoke generated during grinding can be pumped away through the negative pressure collecting bin.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-corrosion pipe processing equipment, in particular to a 3PE anti-corrosion pipe end rough cutting and grinding device. Background Art

[0002] The base materials of 3PE anti-corrosion steel pipes include seamless steel pipes, spiral steel pipes and straight seam steel pipes. The three-layer polyethylene (3PE) anti-corrosion coating has been widely used in the petroleum pipeline industry due to its good corrosion resistance, water vapor permeability resistance and mechanical properties. The anti-corrosion layer of 3PE anti-corrosion steel pipes is crucial for the service life of buried pipelines. After the 3PE anti-corrosion steel pipes are processed, the pipe ends need to be treated to process the anti-corrosion layer at the pipe end part into a sloping bevel surface, so as to facilitate the butt joint of two pipelines during subsequent installation construction and the anti-corrosion treatment after butt joint. At present, the commonly adopted method at home and abroad is to use a high-speed rotating wire brush to polish the anti-corrosion layer at the pipe end. However, for the anti-corrosion pipes produced by many anti-corrosion manufacturers, the polishing of the pipe ends is very irregular and needs to be re-polished, which not only affects the production progress but also increases the construction cost.

[0003] In view of the above existing technical problems, the utility model patent with the publication number of CN221494397U discloses an automatic cutting device for grooved anti-corrosion steel pipes. The automatic positioning device drives the beveling machine to move forward. After automatically positioning the steel pipe nozzle through the infrared induction device, the supporting wheels fix the nozzle. Then, through the PLC control program, the first cylinder is controlled to drive the white steel knife to move. The movement of the white steel knife drives the cutting tool slide rail to rise along the cutting tool slideway. When the white steel knife reaches the position of the steel pipe and the distance between the white steel knife and the supporting wheels is appropriate, the white steel knife is fixed under the action of the second sensor. After receiving the positioning signal of the white steel knife, the pipe rotating machine is automatically started, and the anti-corrosion layer on the surface of the anti-corrosion steel pipe is cut through the fixation of the supporting wheels. After the cutting is completed, the wire brush is lifted by the second cylinder to automatically grind the cutting surface.

[0004] However, in the actual application process of the above technical solution, during the grinding process, a large amount of debris and fumes will be generated. The accumulation of a large amount of debris around the equipment will affect the normal heat dissipation of the equipment, affect the normal operation of the equipment, and at the same time cause the production workshop environment to be dirty and messy. The fumes will cause the production workshop to be filled with pungent odors, pollute the working environment of the production workshop, and have an impact on the physical health of workers. Summary of the Invention

[0005] In order to solve the technical problems existing in the above technology, in view of this, it is necessary to provide a 3PE anti-corrosion pipe end rough cutting and grinding device.

[0006] A 3PE anti-corrosion pipe end rough cutting and grinding device includes a first cutting and grinding component, a second cutting and grinding component, and a supporting component arranged between the first cutting and grinding component and the second cutting and grinding component for supporting the anti-corrosion pipe;

[0007] The first grinding component and the second grinding component are arranged opposite to each other, and the structures of the first grinding component and the second grinding component are the same. The first grinding component includes a base, a pipe body rotating assembly, a grinding assembly, and a height adjusting assembly; the pipe body rotating assembly is arranged at one end of the base, the pipe body rotating assembly is coaxial and flush with the supporting component, the grinding assembly is arranged at the other end of the base, and the height adjusting assembly is arranged below the grinding assembly for controlling the height of the grinding assembly.

[0008] The grinding assembly includes a power part, a grinding wheel, and a support plate; the power part is arranged on the support plate, the grinding wheel is installed at the output end of the power part, and a debris collection groove is arranged on the support plate, and the debris collection groove surrounds the lower half of the grinding wheel; the debris collection groove is communicated with a negative pressure collection bin through a pipeline for sucking away the debris generated during grinding from the debris collection groove.

[0009] Preferably, the pipe body rotating assembly includes a mounting seat and two rotating rollers rotatably arranged opposite to each other on the mounting seat; the midline between the two rotating rollers is coaxial with the axis of the supporting component, and a driving part is arranged on one of the rotating rollers.

[0010] Preferably, a blocking groove communicating with the debris collection groove is arranged at one end of the debris collection groove away from the rotating roller.

[0011] Preferably, the height adjusting assembly includes a ball screw jack and a driving end; the ball screw jacks are respectively arranged at the four corners below the support plate and are arranged opposite to each other. A double-output gearbox is arranged between the two ball screw jacks arranged opposite to each other, and the output end of the double-output gearbox is connected to the input end of the ball screw jack through a first shaft rod, and the output end of the driving end is connected to the input end of the double-output gearbox through a second shaft rod.

[0012] Preferably, a limiting component for restricting the axial movement of the end of the anticorrosion pipe is arranged on one side of the base.

[0013] Preferably, the limiting component includes a sliding seat, a bracket, and a limiting assembly; the sliding seat is arranged on one side of the base, the bracket is slidably arranged on the sliding seat, and the sliding seat can make the bracket move in a direction perpendicular to the axis of the supporting component through an oil cylinder, and the limiting assembly is arranged on the upper part of the bracket, and the end of the limiting assembly faces the grinding wheel side for restricting the axial displacement of the end of the anticorrosion pipe.

[0014] Preferably, the limiting assembly includes a telescopic part and a top wheel; the telescopic part is horizontally arranged on the upper part of the bracket, a U-shaped frame is arranged at the end of the telescopic part, guide grooves are arranged on both sides of the U-shaped frame, springs are installed inside the guide grooves, and bearing seats located in the guide grooves are arranged at both ends of the top wheel, and the bearing seats are connected to the springs.

[0015] Preferably, a pressure rod of an extrusion spring is threadedly mounted on one side of the U-shaped frame away from the top wheel.

[0016] Compared with the prior art, the 3PE anti-corrosion pipe end rough grinding device provided by the present utility model includes a first grinding component, a second grinding component, and a supporting component disposed between the first grinding component and the second grinding component for supporting the anti-corrosion pipe; the first grinding component and the second grinding component are arranged oppositely, and the structures of the first grinding component and the second grinding component are the same. The first grinding component includes a base, a pipe body rotation component, a grinding component, and a height adjustment component; the pipe body rotation component is disposed at one end of the base, the pipe body rotation component is coaxial and flush with the supporting component, the grinding component is disposed at the other end of the base, and the height adjustment component is disposed below the grinding component; the grinding component includes a power part, a grinding wheel, and a support plate; the power part is disposed on the support plate, the grinding wheel is installed at the output end of the power part, and a debris collection groove is provided on the support plate, and the debris collection groove surrounds the lower half of the grinding wheel; the debris collection groove is communicated with a negative pressure collection bin through a pipeline. When the present utility model is in use, the height of the grinding component can be controlled through the height adjustment component, so as to facilitate grinding the ends of anti-corrosion pipes with different diameters; and the debris and flue gas generated during grinding can be sucked away through the negative pressure collection bin, thereby preventing the debris from accumulating around the equipment and ensuring the cleanliness of the production workshop environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is a structural schematic diagram of the present utility model.

[0019] Figure 2 is a structural schematic diagram of the first grinding component of the present utility model.

[0020] Figure 3 of the present utility model Figure 2 is a structural schematic diagram from another angle.

[0021] Figure 4 of the present utility model Figure 2 is a bottom view structural schematic diagram.

[0022] Figure 5 of the present utility model Figure 3 is a partial enlarged view at A in the present utility model.

[0023] In the figure: the first grinding component 01, the base 11, the tube body rotation assembly 12, the mounting seat 121, the rotating roller 122, the grinding assembly 13, the power unit 131, the grinding wheel 132, the support plate 133, the height adjustment assembly 14, the ball screw jack 141, the driving end 142, the double-output gearbox 143, the second grinding component 02, the support component 03, the debris collection groove 04, the blocking groove 41, the negative pressure collection bin 05, the limiting component 06, the sliding seat 61, the bracket 62, the limiting assembly 63, the telescopic part 631, the top wheel 632, the U-shaped frame 633, the guide groove 634, the spring 635, the pressure rod 636. Detailed implementation manners

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner", "lower", etc. indicating the orientation or position relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present invention.

[0026] Please refer to Figures 1 to 5, the utility model provides a rough grinding device for the end of a 3PE anti-corrosion pipe, which includes a first grinding component 01, a second grinding component 02, and a supporting component 03 arranged between the first grinding component 01 and the second grinding component 02 for supporting the anti-corrosion pipe; the first grinding component 01 and the second grinding component 02 are arranged oppositely, and the structures of the first grinding component 01 and the second grinding component 02 are the same. The first grinding component 01 includes a base 11, a pipe body rotation assembly 12, a grinding assembly 13, and a height adjustment assembly 14; the pipe body rotation assembly 12 is arranged at one end of the base 11, the pipe body rotation assembly 12 is coaxial and flush with the supporting component 03, the grinding assembly 13 is arranged at the other end of the base 11, and the height adjustment assembly 14 is arranged below the grinding assembly 13 for controlling the height of the grinding assembly 13. The grinding assembly 13 includes a power part 131, a grinding wheel 132, and a support plate 133; the power part 131 is arranged on the support plate 133, the grinding wheel 132 is installed at the output end of the power part 131, and a debris collection groove 04 is arranged on the support plate 133, and the debris collection groove 04 surrounds the lower half of the grinding wheel 132; the debris collection groove 04 is connected to a negative pressure collection bin 05 through a pipeline for sucking away the debris generated during grinding from the debris collection groove 04. During use, the supporting component 03 can support the two ends of the anti-corrosion pipe, and at the same time can separately drive the anti-corrosion pipe to rotate circumferentially. Through the height adjustment assembly 14, the height of the grinding assembly 13 can be controlled to facilitate grinding the ends of anti-corrosion pipes with different diameters; and the debris and flue gas generated during grinding can be sucked away through the negative pressure collection bin 05, so as to prevent debris from accumulating around the equipment and at the same time ensure the cleanliness of the production workshop environment. During grinding, the first grinding component 01 and the second grinding component 02 cannot operate simultaneously, that is, when the grinding assembly 13 on the first grinding component 01 operates, the grinding assembly 13 on the second grinding component 02 does not operate, and the grinding assembly 13 on the second grinding component 02 is lower than the supporting component 03, so that the grinding assembly 13 on the second grinding component 02 does not contact the anti-corrosion pipe. The negative pressure collection bin 05 adopts the method of negative pressure dust collection, and its principle and structure are well-known technologies and will not be elaborated here.

[0027] In one embodiment, the pipe body rotation assembly 12 includes a mounting seat 121 and two rotating rollers 122 rotatably arranged oppositely on the mounting seat 121; the midline between the two rotating rollers 122 is coaxial with the axis of the supporting component 03, and a driving part is arranged on one of the rotating rollers 122. Through the driving part, the rotating roller 122 can be driven to rotate, and then the anti-corrosion pipe can be driven to rotate circumferentially by the rotating roller 122.

[0028] In one embodiment, a blocking groove 41 communicating with the debris collection groove 04 is arranged at one end of the debris collection groove 04 far from the rotating roller 122. The blocking groove 41 can prevent the debris carried by the grinding wheel 132 from flying out and overflowing, so as to facilitate collection.

[0029] In one embodiment, the height adjustment assembly 14 includes a ball screw jack 141 and a drive end 142. The ball screw jacks 141 are respectively arranged at the four corners below the support plate 133, and a double-output gearbox 143 is arranged between two ball screw jacks 141 arranged oppositely. The output end of the double-output gearbox 143 is connected to the input end of the ball screw jack 141 through a first shaft, and the output end of the drive end 142 is connected to the input end of the double-output gearbox 143 through a second shaft. By outputting power through the drive end 142, it is possible to synchronously drive the four ball screw jacks 141 to expand and contract up and down, thereby realizing the height adjustment of the grinding assembly 13.

[0030] In one embodiment, a limiting component 06 for restricting the axial movement of the end of the anti-corrosion pipe is arranged on one side of the base 11.

[0031] Specifically, the limiting component 06 includes a sliding seat 61, a bracket 62, and a limiting assembly 63. The sliding seat 61 is arranged on one side of the base 11, the bracket 62 is slidably arranged on the sliding seat 61, and the sliding seat 61 can make the bracket 62 move in a direction perpendicular to the axis of the support component 03 through an oil cylinder. The limiting assembly 63 is arranged on the upper part of the bracket 62, and the end of the limiting assembly 63 faces the side of the grinding wheel 132 for restricting the axial displacement of the end of the anti-corrosion pipe.

[0032] Specifically, the limiting assembly 63 includes a telescopic part 631 and a top wheel 632. The telescopic part 631 is horizontally arranged on the upper part of the bracket 62, a U-shaped frame 633 is arranged at the end of the telescopic part 631, guide grooves 634 are arranged on both sides of the U-shaped frame 633, a spring 635 is installed inside the guide grooves 634, and bearing seats located in the guide grooves 634 are arranged at both ends of the top wheel 632, and the bearing seats are connected to the spring 635. After the top wheel 632 contacts the end of the anti-corrosion pipe, the spring 635 can form a buffer for the top wheel 632 to prevent the top wheel 632 from forming a large extrusion force with the end of the anti-corrosion pipe and damaging the end of the anti-corrosion pipe. Among them, the telescopic part 631 adopts a hydraulic cylinder.

[0033] Specifically, a pressure rod 636 for pressing the spring 635 is threadedly installed on one side of the U-shaped frame 633 away from the top wheel 632. By adjusting the pressure rod 636, pressure can be applied to the spring 635 to adjust the restoring force of the spring 635 on the top wheel 632.

[0034] The above-disclosed are only the preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited by this. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A 3PE anti-corrosion pipe end rough grinding device, characterized in that: It comprises a first grinding component, a second grinding component, and a supporting component arranged between the first grinding component and the second grinding component for supporting the anti-corrosion pipe; The first grinding component and the second grinding component are arranged opposite to each other, and the first grinding component and the second grinding component adopt the same structure. The first grinding component includes a base, a tube rotating component, a grinding component, and a height adjustment component; the tube rotating component is arranged at one end of the base, and the tube rotating component is coaxial and flush with the supporting component, the grinding component is arranged at the other end of the base, and the height adjustment component is arranged below the grinding component to control the height of the grinding component; The grinding assembly includes a power unit, a grinding wheel, and a support plate; the power unit is arranged on the support plate, the grinding wheel is installed at the output end of the power unit, and a debris collection groove is arranged on the support plate, which surrounds the lower half of the grinding wheel; the debris collection groove is connected to the negative pressure collection bin through a pipeline, which is used to extract the debris generated during grinding from the debris collection groove.

2. The 3PE anti-corrosion pipe end rough grinding device according to claim 1 is characterized in that: The tube body rotating assembly comprises a mounting seat and two rotating rollers arranged on the mounting seat for counter-rotation; the center line between the two rotating rollers is coaxial with the axis of the supporting component, and a driving part is arranged on one of the rotating rollers.

3. The 3PE anti-corrosion pipe end rough grinding device according to claim 1 is characterized in that: A blocking groove communicating with the debris collecting groove is arranged at one end of the debris collecting groove away from the rotating roller.

4. The 3PE anti-corrosion pipe end rough grinding device according to claim 1 is characterized in that: The height adjustment assembly includes a ball screw jack and a driving end; the ball screw jacks are respectively arranged at the four corners below the support plate, and a dual-output gear box is arranged between two ball screw jacks arranged opposite to each other, and the output end of the dual-output gear box is connected to the input end of the ball screw jack through a first shaft rod, and the output end of the driving end is connected to the input end of the dual-output gear box through a second shaft rod.

5. The 3PE anti-corrosion pipe end rough grinding device according to claim 1 is characterized in that: A limiting component for limiting the axial movement of the end of the anti-corrosion pipe is arranged on one side of the base.

6. The 3PE anti-corrosion pipe end rough grinding device according to claim 5 is characterized in that: The limiting component includes a sliding seat, a bracket, and a limiting assembly; the sliding seat is arranged on one side of the base, and the bracket is slidably arranged on the sliding seat. The sliding seat can move the bracket in a direction perpendicular to the axis of the supporting component through a cylinder. The limiting assembly is arranged on the upper part of the bracket, and the end of the limiting assembly faces the grinding wheel side, which is used to limit the axial displacement of the end of the anti-corrosion pipe.

7. The 3PE anti-corrosion pipe end rough grinding device according to claim 6 is characterized in that: The limiting assembly includes a telescopic part and a top wheel; the telescopic part is horizontally arranged on the upper part of the bracket, a U-shaped frame is arranged at the end of the telescopic part, guide grooves are arranged on both sides of the U-shaped frame, springs are installed inside the guide grooves, and bearing seats located in the guide grooves are arranged at the two ends of the top wheel, and the bearing seats are connected to the springs.

8. The 3PE anti-corrosion pipe end rough grinding device according to claim 7 is characterized in that: A compression rod of a compression spring is threadedly mounted on one side of the U-shaped frame away from the top wheel.

Images