A processing device for mineral steel plastic pipe production

Abstract

The utility model discloses a kind of processing devices for mineral steel plastic pipe production, it is related to steel plastic pipe production technical field, including polishing lathe, three-jaw chuck for positioning steel pipe is arranged in the polishing lathe, mobile seat is slidably connected in the polishing lathe, servo motor is arranged in the mobile seat;The utility model is driven to install cylinder rotation by servo motor in mobile seat, make polishing block to polish steel pipe inner wall, when mineral steel plastic pipe of different inner diameter needs to be handled, by rotating two-way screw rod, two mutually symmetrical transmission nuts can be driven to move along screw rod in opposite directions or reverse directions.At this time, the mounting plate on the upper and lower sides of transmission nut will be rotated in turn, and then push the connecting frame to stretch or shrink to the outside of installation cylinder, realize the adjustment of the distance between polishing block and pipe inner wall, to adapt to steel pipe of different pipe diameter.

Description

Technical Field

[0001] This specification relates to the field of steel-plastic composite pipe production technology, and more particularly to a processing apparatus for the production of mineral steel-plastic composite pipes. Background Technology

[0002] Mineral steel-plastic composite pipe is a composite pipe that combines steel pipe and plastic material. In the production and processing of mineral steel-plastic composite pipe, the smoothness and flatness of the inner wall are one of the key indicators affecting product quality and performance. Especially for mineral steel-plastic composite pipes used to transport fluids or specific media, defects such as burrs, protrusions, and rough patches on the inner wall will not only increase the resistance during fluid transportation, leading to increased energy consumption, but may also accelerate the wear of the inner wall of the pipe due to long-term scouring and friction of the medium, shortening its service life; more seriously, sharp burrs may scratch the seals in the transported medium or damage the precision components through which the medium flows. A Chinese patent (publication number: CN217222796U) provides an automatic impurity removal device for the inner wall of steel pipes used in the production and processing of plastic-coated steel pipes. The device includes a worktable, on which a conveying mechanism, an impurity removal mechanism, and a fixing mechanism are arranged. The conveying mechanism includes two first fixed plates, multiple conveying shafts, a first drive motor, multiple conveying rollers, and two conveyor belts. The two first fixed plates are fixedly installed on the top of the worktable, and the multiple conveying shafts are rotatably installed on the two first fixed plates. The first drive motor is fixedly installed on the outer wall of one side of the corresponding first fixed plate.

[0003] During use, the aforementioned equipment facilitates grinding of the inner wall of the steel pipe by placing the impurity removal mechanism inside. However, since the impurity removal structure cannot be adjusted during the grinding process, the device can only process a single type of steel pipe, resulting in poor adaptability.

[0004] To address these issues, we designed a processing device for the production of mineral steel-plastic composite pipes. Utility Model Content

[0005] In view of this, the purpose of this utility model is to propose a processing device for the production of mineral steel-plastic pipes, in order to solve the problem.

[0006] To achieve the above objectives, this utility model provides a processing device for the production of mineral steel-plastic pipes, including a grinding lathe. The grinding lathe is equipped with a three-jaw chuck for positioning the steel pipe. A movable seat is slidably connected within the grinding lathe, and a servo motor is installed within the movable seat. The drive end of the servo motor is connected to a mounting cylinder. A bidirectional lead screw is rotatably connected within the mounting cylinder. Two symmetrical transmission nuts are threaded onto the bidirectional lead screw. Mounting plates are rotatably connected to both the upper and lower sides of the transmission nuts. A connecting frame is rotatably connected to the other end of the mounting plate. One end of the connecting frame extends to the outside of the mounting cylinder and is equipped with a detachable grinding block.

[0007] Furthermore, a guide rod is connected inside the mounting cylinder, and the transmission nut is slidably connected inside the guide rod. The transmission nut has a sliding opening that matches the guide rod.

[0008] Furthermore, a threaded rod is threadedly connected to the connecting frame, and the other end of the threaded rod extends into the connecting frame and is connected to a mounting protrusion. Two symmetrical wedge blocks are slidably connected inside the connecting frame, and a transmission plate is connected to the opposite side of each of the two wedge blocks. The other end of the transmission plate is connected to a limiting plate for limiting the position of the grinding block. One end of the limiting plate extends to the outside of the mounting cylinder. When the threaded rod drives the mounting protrusion to move away from the bidirectional lead screw, it abuts against the wedge blocks, causing the transmission plates to move in opposite directions and releasing the limiting position of the grinding block.

[0009] Furthermore, a plurality of return springs are connected to the side of the limiting plate away from the transmission plate, and the plurality of return springs are distributed in a linear array along the height direction of the limiting plate.

[0010] Furthermore, anti-slip sleeves are connected to the opposite sides of the two limiting plates, and anti-slip textures are integrally formed on the anti-slip sleeves.

[0011] Furthermore, the mounting cylinder is detachably connected to a sealing plate via screws.

[0012] As can be seen from the above, the beneficial effects provided by this utility model are: 1. The servo motor inside the moving base drives the mounting cylinder to rotate, causing the grinding block to grind the inner wall of the steel pipe. When processing mineral steel-plastic pipes with different inner diameters, rotating the bidirectional lead screw drives two symmetrical transmission nuts to move in opposite directions along the lead screw. At this time, the mounting plates on the upper and lower sides of the transmission nuts will rotate accordingly, thereby pushing the connecting frame to extend or retract outward from the mounting cylinder, realizing the adjustment of the distance between the grinding block and the inner wall of the pipe, thus adapting to steel pipes of different diameters.

[0013] 2. When the threaded rod on the connecting frame rotates, the mounting protrusion at its end will move away from the bidirectional threaded rod, abutting against the two wedge blocks, causing the transmission plate to move in opposite directions, thereby causing the limiting plate to disengage from the grinding block and release the limit; when the threaded rod is rotated in the opposite direction, the mounting protrusion resets, and the limiting plate re-clamps the grinding block. This setting allows for the replacement of grinding blocks of different materials or grit sizes according to the degree of defects in the inner wall of the steel pipe. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in one or more embodiments of this specification or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of this specification. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a three-dimensional structural diagram of the overall external structure of this utility model; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This utility model Figure 2 Enlarged view of point A in the middle; Figure 4 This utility model Figure 2 Enlarged view of point B in the middle.

[0016] In the diagram: 1. Grinding lathe; 2. Three-jaw chuck; 3. Moving seat; 4. Mounting cylinder; 5. Two-way lead screw; 6. Transmission nut; 7. Mounting plate; 8. Connecting frame; 9. Grinding block; 10. Mounting protrusion; 11. Wedge block; 12. Transmission plate; 13. Limiting plate; 14. Return spring. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0018] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0019] Please see Figure 1-4 This utility model provides a technical solution: a processing device for the production of mineral steel-plastic pipes, including a grinding lathe 1, a three-jaw chuck 2 for positioning steel pipes is provided in the grinding lathe 1, a movable seat 3 is slidably connected in the grinding lathe 1, a servo motor is provided in the movable seat 3, the drive end of the servo motor is connected to a mounting cylinder 4, a bidirectional lead screw 5 is rotatably connected in the mounting cylinder 4, two symmetrical transmission nuts 6 are threaded on the bidirectional lead screw 5, mounting plates 7 are rotatably connected to the upper and lower sides of the transmission nuts 6, a connecting frame 8 is rotatably connected to the other end of the mounting plate 7, one end of the connecting frame 8 extends to the outside of the mounting cylinder 4 and is provided with a detachable grinding block 9.

[0020] In practice, the three-jaw chuck 2 inside the grinding lathe 1 is used to stably position the steel pipe, ensuring that the steel pipe does not shift during the grinding process. The movable seat 3 can slide along the grinding lathe 1, driving the mounting cylinder 4 to move in and out of the inner wall of the steel pipe; the servo motor inside the movable seat 3 drives the mounting cylinder 4 to rotate, so that the grinding block 9 grinds the inner wall of the steel pipe. When it is necessary to process mineral steel-plastic pipes with different inner diameters, by rotating the bidirectional lead screw 5, two mutually symmetrical transmission nuts 6 can be driven to move in opposite directions along the lead screw. At this time, the mounting plates 7 on the upper and lower sides of the transmission nuts 6 will rotate accordingly, thereby pushing the connecting frame 8 to extend or retract outward of the mounting cylinder 4, realizing the adjustment of the distance between the grinding block 9 and the inner wall of the pipe, thus adapting to steel pipes of different diameters.

[0021] See Figure 1-4 The installation cylinder 4 is connected to a guide rod, and the transmission nut 6 is slidably connected inside the guide rod. The transmission nut 6 has a sliding opening that matches the guide rod.

[0022] In practice, the guide rod provides motion trajectory constraints for the transmission nut 6, ensuring that it can only move in the horizontal direction under the drive of the bidirectional lead screw 5, and avoiding the offset of the mounting plate 7 and the connecting frame 8 due to the deflection of the transmission nut 6.

[0023] See Figure 1-4 A threaded rod is threaded onto the connecting frame 8. The other end of the threaded rod extends into the connecting frame 8 and is connected to a mounting protrusion 10. Two symmetrical wedge blocks 11 are slidably connected inside the connecting frame 8. A transmission plate 12 is connected to the opposite side of each of the two wedge blocks 11. The other end of the transmission plate 12 is connected to a limiting plate 13 that limits the movement of the grinding block 9. One end of the limiting plate 13 extends to the outside of the mounting cylinder 4. When the threaded rod drives the mounting protrusion 10 to move away from the bidirectional lead screw 5, it abuts against the wedge block 11, causing the transmission plate 12 to move away from each other and releasing the limitation on the grinding block 9.

[0024] In practice, when the threaded rod on the connecting frame 8 rotates, the mounting protrusion 10 at its end moves away from the bidirectional screw 5, abutting against the two wedge blocks 11, causing the transmission plate 12 to move in opposite directions, thereby causing the limiting plate 13 to disengage from the grinding block 9 and release the limit; when the threaded rod is rotated in the opposite direction, the mounting protrusion 10 is reset, and the limiting plate 13 re-clamps the grinding block 9. This setting allows for the replacement of grinding blocks 9 of different materials or grit sizes according to the degree of defects in the inner wall of the steel pipe.

[0025] See Figure 1-4 Multiple return springs 14 are connected to the side of the limiting plate 13 away from the transmission plate 12. The multiple return springs 14 are distributed in a linear array along the height direction of the limiting plate 13.

[0026] In practice, when the threaded rod drives the mounting protrusion 10 to release its contact with the wedge block 11, the elastic force of the reset spring 14 will pull the limit plate 13 to automatically reset, ensuring that the limit plate 13 fits tightly against the grinding block 9 and improving the positioning effect.

[0027] See Figure 1-4 The two limiting plates 13 are connected to anti-slip sleeves on opposite sides, and the anti-slip sleeves are integrally formed with anti-slip textures.

[0028] In practice, the anti-slip sleeve increases the friction between the limiting plate 13 and the grinding block 9 to prevent the grinding block 9 from sliding relative to each other when rotating at high speed.

[0029] See Figure 1-4 The mounting cylinder 4 is detachably connected to a sealing plate via screws.

[0030] In practice, after removing the sealing plate, it is convenient to rotate the threaded rod to disassemble and assemble the grinding block 9.

[0031] Working principle: The three-jaw chuck 2 inside the grinding lathe 1 is used to stably position the steel pipe, ensuring that the steel pipe does not shift during the grinding process. The moving seat 3 can slide along the grinding lathe 1, driving the mounting cylinder 4 to move in and out of the inner wall of the steel pipe; the servo motor inside the moving seat 3 drives the mounting cylinder 4 to rotate, so that the grinding block 9 grinds the inner wall of the steel pipe. When it is necessary to process mineral steel-plastic pipes with different inner diameters, by rotating the bidirectional lead screw 5, two mutually symmetrical transmission nuts 6 can be driven to move in opposite directions along the lead screw. At this time, the mounting plates 7 on the upper and lower sides of the transmission nuts 6 will rotate accordingly, thereby pushing the connecting frame 8 to extend or retract outward of the mounting cylinder 4, realizing the adjustment of the distance between the grinding block 9 and the inner wall of the pipe, thus adapting to steel pipes of different diameters. When the threaded rod on the connecting frame 8 rotates, the mounting protrusion 10 at its end moves away from the bidirectional screw 5, abutting against the two wedge blocks 11, causing the transmission plate 12 to move in opposite directions, thereby causing the limiting plate 13 to disengage from the grinding block 9 and release the limit; when the threaded rod is rotated in the opposite direction, the mounting protrusion 10 resets, and the limiting plate 13 re-clamps the grinding block 9. This setting allows for the replacement of grinding blocks 9 of different materials or grit sizes according to the degree of defects in the inner wall of the steel pipe.

[0032] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this disclosure (including the claims) is limited to these examples; within the scope of this invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of this invention as described above, which are not provided in the details for the sake of brevity.

[0033] The embodiments of this utility model are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A processing apparatus for the production of mineral steel-plastic pipes, comprising a grinding lathe (1), characterized in that, The grinding lathe (1) is equipped with a three-jaw chuck (2) for positioning steel pipes. A moving seat (3) is slidably connected inside the grinding lathe (1). A servo motor is installed inside the moving seat (3). The drive end of the servo motor is connected to a mounting cylinder (4). A two-way lead screw (5) is rotatably connected inside the mounting cylinder (4). Two symmetrical transmission nuts (6) are threaded onto the two-way lead screw (5). Mounting plates (7) are rotatably connected to both the upper and lower sides of the transmission nuts (6). A connecting frame (8) is rotatably connected to the other end of the mounting plate (7). One end of the connecting frame (8) extends to the outside of the mounting cylinder (4) and is equipped with a detachable grinding block (9).

2. The processing apparatus for producing mineral steel-plastic composite pipes as described in claim 1, characterized in that: The mounting cylinder (4) is connected to a guide rod, and the transmission nut (6) is slidably connected inside the guide rod. The transmission nut (6) has a sliding opening that matches the guide rod.

3. The processing apparatus for producing mineral steel-plastic composite pipes as described in claim 2, characterized in that: A threaded rod is threaded onto the connecting frame (8), and the other end of the threaded rod extends into the connecting frame (8) and is connected to a mounting protrusion (10). Two symmetrical wedge blocks (11) are slidably connected inside the connecting frame (8). A transmission plate (12) is connected to the opposite side of each of the two wedge blocks (11). The other end of the transmission plate (12) is connected to a limiting plate (13) that limits the position of the grinding block (9). One end of the limiting plate (13) extends to the outside of the mounting cylinder (4). When the threaded rod drives the mounting protrusion (10) to move away from the bidirectional screw (5), it abuts against the wedge block (11) to make the transmission plate (12) move in opposite directions, thus releasing the limit on the grinding block (9).

4. The processing apparatus for producing mineral steel-plastic composite pipes as described in claim 3, characterized in that: The limiting plate (13) is connected to a plurality of return springs (14) on the side away from the transmission plate (12), and the plurality of return springs (14) are arranged in a linear array along the height direction of the limiting plate (13).

5. The processing apparatus for producing mineral steel-plastic composite pipes as described in claim 4, characterized in that: The two limiting plates (13) are connected to anti-slip sleeves on opposite sides, and the anti-slip sleeves are integrally formed with anti-slip textures.

6. The processing apparatus for producing mineral steel-plastic composite pipes as described in claim 5, characterized in that: The mounting cylinder (4) is detachably connected to a sealing plate by screws.

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