Precise seamless tube blank outer circle polishing device

By designing an automatic feeding and fixing mechanism, the problem of manual feeding in seamless steel pipe polishing equipment was solved, realizing automated production and improving polishing efficiency and quality.

CN224011983UActive Publication Date: 2026-03-20ZHEJIANG PURUI PIPE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The existing seamless steel pipe outer circle polishing equipment lacks an automatic feeding mechanism, which requires manual feeding, affecting production efficiency and polishing quality.

Method used

A structure including a material feeding ramp, a cylinder-driven ejector block, and an inclined block was designed, which, together with a pushing feed plate and a fixing mechanism, enables automatic feeding and fixing of the tube blank, ensuring the stability of the polishing process.

Benefits of technology

It enables automatic feeding and fixing of tube blanks, reduces manual intervention, improves production efficiency, ensures polishing quality and surface finish, and avoids inaccuracies caused by human error.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a precise seamless tube blank outer circle polishing device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a discharging working table, the top of the discharging working table is fixedly connected with a discharging mechanism, the top of the bottom plate is fixedly connected with a polishing working table, the top of the polishing working table is fixedly connected with a polishing wheel, and the top of the polishing wheel is fixedly connected with a discharging mechanism. The top of the polishing workbench is fixedly connected with a fixing mechanism. The discharging mechanism comprises a discharging sliding slope, the bottom of the discharging sliding slope is fixedly connected to the top of the discharging workbench, two first air cylinders are fixedly connected to the interior of the discharging workbench, and the output ends of the first air cylinders are slidably connected with ejection blocks. According to the automatic feeding and discharging device, the first air cylinder pushes the ejection block to be abutted against the baffle through the inclined block, the second air cylinder pushes the feeding plate to push the baffle into a polishing area, the problem of inaccurate feeding and discharging caused by manual operation errors is solved, and the production process is smoother and more efficient.
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Description

Technical Field

[0001] This utility model relates to the field of metal processing and polishing technology, and in particular to a precision seamless tube blank outer circle polishing device. Background Technology

[0002] In the production process of seamless steel pipes, the outer circle polishing device is used to improve the outer surface quality of the tube blank, ensuring a smooth surface without burrs, and avoiding surface defects from affecting the quality of subsequent processing, plating, or coating.

[0003] Chinese patent CN210818774U discloses a tube blank surface grinding and polishing device, including a frame. From left to right, the top of the frame is equipped with an auxiliary support mechanism, a grinding and polishing mechanism, and a drive mechanism. The auxiliary support mechanism consists of a limiting tube, a support rod, a first support plate, a first support seat, auxiliary wheels, and fixing bolts. The bottom of the limiting tube is fixedly connected to the top of the frame, and the outer surface of the support rod is inserted into the inner wall of the limiting tube. This invention clamps and fixes the tube blank using limiting bolts. A second stepper motor, a driving wheel, and a driven wheel drive the support tube and the tube blank to rotate. The first stepper motor drives the lead screw to rotate, which in turn drives the second support plate and the grinding disc to move via a connecting block. During the movement of the second support plate, the rotating tube blank contacts the grinding disc, thereby achieving automatic grinding and polishing, reducing the labor intensity of workers. The auxiliary wheels and support rods provide auxiliary support for the tube blank.

[0004] However, this technical solution only includes a fixing mechanism for polishing the tube blank, but does not include a mechanism for automatically feeding the tube blank before polishing, requiring manual feeding. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a precision seamless tube blank outer diameter polishing device. The tube blank is fed to the top block by a feeding ramp, and then blocked by a baffle by an inclined block. The second cylinder pushes the tube blank into the polishing area for polishing.

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

[0007] A precision seamless tube blank outer diameter polishing device includes a base plate, a feeding worktable fixedly connected to the top of the base plate, a feeding mechanism fixedly connected to the top of the feeding worktable, a polishing worktable fixedly connected to the top of the base plate, a polishing wheel fixedly connected to the top of the polishing worktable, and a fixing mechanism fixedly connected to the top of the polishing worktable. The feeding mechanism includes a feeding ramp, the bottom of which is fixedly connected to the top of the feeding worktable. Two cylinders are fixedly connected inside the feeding worktable, and an ejector block is slidably connected to the output end of each cylinder. An inclined block is fixedly connected to the top of the feeding worktable, a baffle is fixedly connected to the top of the feeding worktable, and a pushing and feeding assembly is fixedly connected to the top of the feeding worktable.

[0008] As a further description of the above technical solution:

[0009] The feeding assembly includes a support block, a second cylinder, and a feeding plate. The bottom of the support block is fixedly connected to the top of the unloading workbench, the rear side of the second cylinder is fixedly connected to the front side of the support block, and the rear side of the feeding plate is slidably connected to the output end of the second cylinder.

[0010] As a further description of the above technical solution:

[0011] The fixing mechanism includes a support frame, the bottom of which is fixedly connected to the top of the polishing worktable. A sliding assembly is fixedly connected to the top of the polishing worktable. Two rotating plates are fixedly connected to the sliding assembly. A fixed shaft is fixedly connected inside the rotating plate, and a fixed semi-circular ring is fixedly connected to the inner side of the rotating plate.

[0012] As a further description of the above technical solution:

[0013] The sliding assembly includes a cylinder three and a sliding plate. The bottom of the cylinder three is fixedly connected to the top of the polishing worktable, and the bottom of the sliding plate is slidably connected to the output end of the sliding plate.

[0014] As a further description of the above technical solution:

[0015] The bottom of the pusher plate is slidably connected to the top of the unloading workbench, and the outer side of the pusher plate is slidably connected to the inner side of the baffle.

[0016] As a further description of the above technical solution:

[0017] The outer side of the pusher plate is slidably connected to the inner side of the inclined block, and the outer sides of the two ejector blocks are slidably connected to the inside of the unloading worktable.

[0018] As a further description of the above technical solution:

[0019] The left side of the unloading workbench is fixedly connected to the right side of the polishing workbench, and the external side of the fixed shaft is fixedly connected to the inside of the support frame.

[0020] As a further description of the above technical solution:

[0021] The outer sides of the two ejector blocks are slidably connected to the inner side of the feeding mechanism, and the outer sides of the two ejector blocks are slidably connected to the inner side of the inclined block.

[0022] The beneficial effects of this utility model are as follows:

[0023] (1) In this utility model, the tube blank slides from the feeding mechanism onto the ejector block, the first cylinder pushes the ejector block through the inclined block and is blocked by the baffle, and the second cylinder pushes the feeding plate to push the baffle into the polishing area. This can reduce manual intervention, save manual loading and unloading time, reduce the problem of inaccurate loading and unloading caused by human operation error, make the production process smoother and more efficient, and help improve work efficiency.

[0024] (2) This utility model uses a cylinder to slide upwards and drive the rotating plate and fixed semi-circular ring connected on both sides to rotate inwards to fix the tube blank that needs to be polished. This can ensure that the tube blank maintains a stable position, prevent the tube blank from shifting and shaking during the polishing process, avoid uneven polishing of the surface, and ensure the surface smoothness and quality of the tube blank.

[0025] In summary, this utility model has advantages such as automatic feeding of tube blanks and fixing of tube blanks during polishing. Attached Figure Description

[0026] Figure 1 This is a perspective view of a precision seamless tube blank outer circle polishing device proposed in this utility model;

[0027] Figure 2 This is a schematic diagram of the polishing wheel of a precision seamless tube blank outer circle polishing device proposed in this utility model;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 This is a schematic diagram of the unloading worktable of a precision seamless tube blank outer circle polishing device proposed in this utility model;

[0030] Figure 5 for Figure 4 Enlarged view of point B in the middle. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] Example 1

[0034] like Figure 1 , Figure 4 and Figure 5 As shown, this embodiment provides a precision seamless tube blank outer diameter polishing device, including a base plate 1, which is the basic support structure of the device. A feeding worktable 2 is fixedly connected to the top of the base plate 1. The left side of the feeding worktable 2 is fixedly connected to the right side of the polishing worktable 12. The feeding worktable 2 is mainly used to support the feeding mechanism 3 and push the feeding assembly. The feeding mechanism 3 is fixedly connected to the top of the feeding worktable 2. The purpose of the feeding mechanism 3 is to transfer the tube blank to be polished from the feeding worktable 2 to the polishing worktable 12. The polishing worktable 12 is fixedly connected to the top of the base plate 1. A polishing wheel 13 is fixedly connected to the top of the polishing worktable 12. The polishing worktable 12 is the key working part of the equipment, used to support the polishing wheel 13, ensuring that the tube blank can contact the polishing wheel 13 and achieve outer diameter polishing. A fixing mechanism 14 is fixedly connected to the top of the polishing worktable 12. The fixing mechanism 14 is used to fix the tube blank to ensure the stability of the tube blank during the polishing process.

[0035] The feeding mechanism 3 includes a feeding ramp 4. The bottom of the feeding ramp 4 is fixedly connected to the top of the feeding worktable 2. The function of the feeding ramp 4 is to provide an inclined sliding path for the tube blank, so that the tube blank can move smoothly to the top of the ejector block 6. Two cylinders 5 are fixedly connected inside the feeding worktable 2. The output end of the cylinders 5 is slidably connected to the ejector block 6. The outside of the two ejector blocks 6 is slidably connected to the inside of the feeding worktable 2. The outside of the two ejector blocks 6 is slidably connected to the inside of the feeding mechanism 3. The outside of the two ejector blocks 6 is slidably connected to the inside of the inclined block 7. The cylinders 5 push the ejector block 6 and the tube blank on the top upward. The top of the feeding worktable 2 is fixedly connected to the inclined block 7. The cylinders 5 push the tube blank on the ejector block 6 so that the tube blank can slide down from the inclined block 7 and abut against the baffle 8.

[0036] A baffle 8 is fixedly connected to the top of the unloading worktable 2. The baffle 8 serves to restrict and guide the tube blank to the correct position, preventing the tube blank from sliding excessively. A pushing and feeding assembly is fixedly connected to the top of the unloading worktable 2. The pushing and feeding assembly pushes the tube blank into the fixing mechanism 14 at the top of the polishing worktable 12. The pushing and feeding assembly includes a support block 9, a second cylinder 10, and a pushing and feeding plate 11. The bottom of the support block 9 is fixedly connected to the top of the unloading worktable 2. The support block 9 is used to support the second cylinder 10. 0. The rear side of cylinder 2 10 is fixedly connected to the front side of support block 9. Cylinder 2 10 outputs power to drive the sliding of the feeding plate 11. The rear side of the feeding plate 11 is slidably connected to the output end of cylinder 2 10. The bottom of the feeding plate 11 is slidably connected to the top of the unloading worktable 2. The outer side of the feeding plate 11 is slidably connected to the inner side of baffle 8. The outer side of the feeding plate 11 is slidably connected to the inner side of inclined block 7. The feeding plate 11 pushes the tube blank into the fixing mechanism 14 for polishing.

[0037] like Figures 1 to 3 As shown, the fixing mechanism 14 includes a support frame 15. The bottom of the support frame 15 is fixedly connected to the top of the polishing worktable 12. The support frame 15 is used to support the stability of the two rotating plates 18 during rotation. A sliding assembly is fixedly connected to the top of the polishing worktable 12. The sliding assembly is used to drive the rotation of the rotating plates 18. The sliding assembly includes a cylinder 16 and a sliding plate 17. The bottom of the cylinder 16 is fixedly connected to the top of the polishing worktable 12. The bottom of the sliding plate 17 is slidably connected to the output end of the sliding plate 17. The cylinder slides upward to drive the two rotating plates 18 to slide.

[0038] The sliding assembly has two rotating plates 18 fixedly connected. A fixed shaft 19 is fixedly connected inside the rotating plate 18. Under the restriction of the fixed shaft 19, the two rotating plates 18 convert the sliding motion of the sliding plate 17 into inward rotation. The fixed shaft 19 is fixedly connected to the inside of the support frame 15. The fixed shaft 19 is fixed inside the support frame 15 and connected to the rotating plate 18, converting the sliding motion of the sliding plate 17 to the rotating plate 18 into rotation. A fixed semi-circular ring 20 is fixedly connected to the inner side of the rotating plate 18. The rotating plate 18 drives the fixed plate ring to rotate inward to fix the tube blank.

[0039] Work steps

[0040] Step 1: The tube blank to be polished slides into the ejector block 6 through the ejector ramp 4 in the ejector mechanism 3 on the ejector worktable 2. The cylinder 5 drives the ejector block 6 to move upward, so that the tube blank slides smoothly down the ramp 7 and finally stops against the baffle 8. Then, the cylinder 10 on the front side of the support block 9 pushes the loading plate 11 to push the tube blank into the polishing worktable 12, ensuring that the tube blank accurately enters the fixing mechanism 14.

[0041] Step 2: Before polishing, cylinder 3 16 slides upward, driving the sliding plate 17 to move, which in turn causes the two connected rotating plates 18 and the fixed semi-circular ring 20 to rotate inward, thus firmly fixing the tube blank in the appropriate position. The support frame 15 is connected to the rotating plate 18 through the fixed shaft 19. When the sliding of the sliding plate 17 is transmitted to the rotating plate 18, it is converted into rotation, ensuring that the tube blank remains stable during the polishing process, preventing displacement and shaking, and avoiding uneven polishing of the surface. Finally, the polishing wheel 13 contacts the tube blank to achieve outer circle polishing, ensuring the surface smoothness and quality of the tube blank. The whole process reduces manual intervention, improves work efficiency, and ensures the smoothness and accuracy of the production process, guaranteeing the polishing effect of the tube blank.

[0042] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A precision seamless tube blank outer diameter polishing device, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a material unloading worktable (2), the top of the material unloading worktable (2) is fixedly connected to a material unloading mechanism (3), the top of the base plate (1) is fixedly connected to a polishing worktable (12), the top of the polishing worktable (12) is fixedly connected to a polishing wheel (13), and the top of the polishing worktable (12) is fixedly connected to a fixing mechanism (14). The feeding mechanism (3) includes a feeding ramp (4), the bottom of which is fixedly connected to the top of the feeding workbench (2). The feeding workbench (2) has two cylinders (5) fixedly connected inside. The output end of the cylinders (5) is slidably connected to an ejector block (6). The top of the feeding workbench (2) is fixedly connected to an inclined block (7). The top of the feeding workbench (2) is fixedly connected to a baffle (8). The top of the feeding workbench (2) is fixedly connected to a pushing feeding assembly.

2. The precision seamless tube blank outer diameter polishing device according to claim 1, characterized in that: The push-feed assembly includes a support block (9), a second cylinder (10), and a push-feed plate (11). The bottom of the support block (9) is fixedly connected to the top of the unloading workbench (2). The rear side of the second cylinder (10) is fixedly connected to the front side of the support block (9). The rear side of the push-feed plate (11) is slidably connected to the output end of the second cylinder (10).

3. The precision seamless tube blank outer diameter polishing device according to claim 1, characterized in that: The fixing mechanism (14) includes a support frame (15), the bottom of which is fixedly connected to the top of the polishing worktable (12). A sliding assembly is fixedly connected to the top of the polishing worktable (12), and two rotating plates (18) are fixedly connected to the sliding assembly. A fixed shaft (19) is fixedly connected inside the rotating plate (18), and a fixed semi-circular ring (20) is fixedly connected to the inner side of the rotating plate (18).

4. The precision seamless tube blank outer diameter polishing device according to claim 3, characterized in that: The sliding assembly includes a cylinder three (16) and a sliding plate (17). The bottom of the cylinder three (16) is fixedly connected to the top of the polishing worktable (12), and the bottom of the sliding plate (17) is slidably connected to the output end of the sliding plate (17).

5. The precision seamless tube blank outer diameter polishing device according to claim 2, characterized in that: The bottom of the pusher plate (11) is slidably connected to the top of the unloading workbench (2), and the outer side of the pusher plate (11) is slidably connected to the inner side of the baffle (8).

6. The precision seamless tube blank outer diameter polishing device according to claim 2, characterized in that: The outer side of the pusher plate (11) is slidably connected to the inner side of the inclined block (7), and the outer sides of the two ejector blocks (6) are slidably connected to the inside of the unloading workbench (2).

7. The precision seamless tube blank outer diameter polishing device according to claim 3, characterized in that: The left side of the unloading workbench (2) is fixedly connected to the right side of the polishing workbench (12), and the outside of the fixed shaft (19) is fixedly connected to the inside of the support frame (15).

8. The precision seamless tube blank outer diameter polishing device according to claim 1, characterized in that: The outer sides of the two ejector blocks (6) are slidably connected to the inner side of the feeding mechanism (3), and the outer sides of the two ejector blocks (6) are slidably connected to the inner side of the inclined block (7).

Citation Information

Patent Citations

  • Tube blank surface grinding and polishing device

    CN210818774U