Tubular workpiece surface machining system

Abstract

The invention discloses a tubular workpiece surface machining system, and belongs to the field of grinding equipment, the tubular workpiece surface machining system comprises a machining table, and a supporting mechanism and a grinding mechanism are arranged at the upper end of the machining table; the supporting mechanism comprises a roller frame, and rollers are arranged at the upper end of the roller frame at intervals in the width direction of the machining table. The grinding mechanism comprises a sliding seat moving in the length direction of the machining table, a stand column is arranged at the upper end of the sliding seat, a base mounting plate moving in the vertical direction is arranged on the stand column, a base is arranged at the upper end of the base mounting plate, and a motor mounting frame is rotationally arranged on the base; the angle of the motor mounting frame is fixed through a locking device, a grinding driving motor is arranged on the motor mounting frame, a grinding mounting plate is arranged on the motor mounting frame, and a grinding unit driven by the grinding driving motor is arranged on the grinding mounting plate. The invention aims to provide the tubular workpiece surface processing system which can improve the processing efficiency.

Description

Technical Field

[0001] The invention relates to the field of grinding equipment, in particular to a tubular workpiece surface processing system. Background Art

[0002] The tank bodies of water storage tanks and pressure tanks usually adopt a tubular structure, that is, the middle part is a hollow cylinder. The cylinder is usually formed by bending a flat plate into the shape of a pipe and then welding along the axial direction of the pipe to fix its shape. Side plates (or end caps, etc.) are welded at both ends of the cylinder to close the tank body.

[0003] This structural design and processing method results in two types of welds on the outer surface of the workpiece: one is the axial weld located at the middle cylinder; the other is the annular weld at the connection between the side plate and the middle cylinder. In order to improve the surface quality of the workpiece, these welds need to be polished.

[0004] The outer surface of the workpiece with such a structure often has an axial weld at the middle cylinder and a circular weld at the connection between the side plate and the middle. In order to improve the surface quality, the weld needs to be polished.

[0005] However, due to the presence of two welds of different shapes (directions), the workpiece must be reversed or clamped again during the grinding process to meet the grinding requirements of different welds, which will undoubtedly reduce processing efficiency. Summary of the invention

[0006] The object of the present invention is to provide a tubular workpiece surface processing system to improve processing efficiency in view of the above problems.

[0007] To achieve the above purpose, the technical solution adopted by the present invention is a tubular workpiece surface processing system, which includes a processing table, wherein a support mechanism and a grinding mechanism are arranged at intervals on the upper end of the processing table along the width direction thereof; the support mechanism includes a roller frame arranged at intervals along the length direction of the processing table, and rollers are arranged at intervals on the upper end of the roller frame along the width direction of the processing table, and the axes of the rollers are arranged along the length direction of the processing table, wherein at least one roller is connected to a roller driving motor in a transmission manner; the grinding mechanism includes a sliding seat moving along the length direction of the processing table, a column is arranged at the upper end of the sliding seat, a base mounting plate moving vertically is arranged on the column, a base is arranged at the upper end of the base mounting plate, a motor mounting frame is rotatably arranged on the base, the rotation axis of the motor mounting frame is in the same direction as the width direction of the processing table, the angle of the motor mounting frame is fixed by a locking device, a grinding driving motor is arranged on the motor mounting frame, a grinding mounting plate is arranged on the motor mounting frame, and a grinding unit driven by the grinding driving motor is arranged on the grinding mounting plate. The supporting mechanism holds the workpiece and drives the workpiece to rotate, and the grinding mechanism moves along the axial direction of the workpiece. In this way, through the cooperation of the supporting mechanism and the grinding mechanism, two shapes of welds can be ground.

[0008] Furthermore, the base slides along the width direction of the processing table under the drive of the transverse driving mechanism to adapt to workpieces of different diameters.

[0009] Furthermore, the grinding unit includes a grinding drive wheel and a grinding driven wheel arranged at intervals along the width direction of the processing table. The grinding drive wheel is connected to the grinding drive motor through transmission. The grinding belt is wound around the grinding drive wheel and the grinding driven wheel. The grinding belt is a conventional grinding tool, which can facilitate the procurement of parts.

[0010] Furthermore, limit wheels are provided on both sides of the sanding belt working area to prevent the sanding belt from falling off the grinding wheel. The outer side of the limit wheel is covered with a buffer layer, which can provide buffering when the grinding unit moves toward the workpiece to protect the motor, etc.

[0011] Furthermore, a push frame is provided on the polishing installation plate, and a gripping portion is provided on the push frame to facilitate manual debugging by staff.

[0012] Furthermore, a dust suction pipe is provided on the working side of the grinding unit, and the dust suction pipe is connected to a dust suction device to collect dust generated during the grinding process, thereby improving the working environment and protecting the health of workers.

[0013] Furthermore, the spacing between the roller frames is adjusted along the length direction of the processing table to accommodate workpieces of different lengths.

[0014] Furthermore, a roller frame on one side is fixed and a roller frame on the other side is movably arranged to accommodate workpieces of different lengths, wherein a stop wheel is rotatably arranged on the fixed roller frame, and the stop wheel rests against the end face of the workpiece to facilitate the staff to determine the origin of the lateral movement of the grinding mechanism, while also preventing the workpiece from moving along the length direction of the processing table during grinding.

[0015] Furthermore, the roller frame moves along the width direction of the processing table to accommodate workpieces of different diameters.

[0016] Furthermore, the roller that is not connected to the roller drive motor is adjusted in position along the width direction of the processing table to accommodate workpieces of different diameters.

[0017] The beneficial effects of the present invention are as follows: the motor mounting frame can swing so as to adjust the angle of the grinding unit according to the weld to be ground, so that the grinding unit can adapt to the grinding requirements of the axial weld and the annular weld on the tank body.

[0018] The workpiece is placed on the roller of the support mechanism. As the roller rotates, the workpiece is driven to rotate around its transverse axis. At the same time, the grinding unit of the grinding mechanism moves toward the workpiece to grind the annular weld. When grinding the axial weld, the axial weld of the workpiece contacts the working area of ​​the grinding unit. The grinding unit moves along the axial direction of the workpiece to grind the axial weld on the outer surface of the workpiece. During the grinding of the axial weld, the workpiece does not rotate.

[0019] In the above grinding process, there is no need to clamp the workpiece for the second time, which greatly improves the processing efficiency and the convenience of operation. It ensures that both the annular weld and the axial weld can be efficiently and high-quality ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention from the front first viewing angle.

[0021] Figure 2 It is a schematic diagram of the front second viewing angle stereoscopic structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the top view structure of the present invention.

[0023] Figure 4 for Figure 3 Left view structural diagram.

[0024] Figure 5 for Figure 3 Schematic diagram of the structure in direction A.

[0025] Figure 6 Schematic diagram of the roller frame structure on the fixed side.

[0026] Figure 7This is a schematic diagram of the roller frame installation structure.

[0027] Figure 8 This is a schematic diagram of the grinding mechanism installation structure.

[0028] Fig. 9 It is a schematic diagram of the three-dimensional structure of the working side of the grinding mechanism.

[0029] Fig.10 This is a schematic diagram of the back structure of the working side of the grinding mechanism.

[0030] Fig.11 This is a schematic diagram of the working side structure of the grinding mechanism.

[0031] Fig.12 This is a schematic diagram of the structure for grinding the drive motor side.

[0032] Fig.13 It is a schematic diagram of the structure of the grinding unit side.

[0033] The text labels in the figure are as follows: 1. processing table; 2. roller frame; 3. roller; 4. roller drive motor; 5. sliding seat; 6. column; 7. base mounting plate; 8. base; 9. motor mounting frame; 10. grinding drive motor; 11. grinding mounting plate; 12. horizontal driving mechanism; 13. grinding drive wheel; 14. grinding driven wheel; 15. sanding belt; 16. limiting wheel; 17. pushing frame; 18. holding part; 19. dust suction pipe; 20. stop wheel; 21. roller seat; 22. lifting part; 23. rotating shaft; 24. arc hole; 25. locking bolt; 26. support. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0035] Embodiment 1, as Figure 1-13 As shown, the structure of this embodiment is a tubular workpiece surface processing system, which includes a processing table 1, and a supporting mechanism and a grinding mechanism are arranged at intervals on the upper end of the processing table 1 along the width direction thereof.

[0036] The supporting mechanism includes a roller frame 2 arranged at intervals along the length direction of the processing table 1. This embodiment is described by setting two roller frames. Two roller seats 21 are arranged at intervals along the width direction of the processing table 1 on the upper end of the roller frame 2. The roller 3 is installed on the roller seat 21 through a rotating shaft. The axis of the roller 3 is arranged along the length direction of the processing table 1, and at least one roller 3 is connected to the roller drive motor 4 in a transmission manner. In this embodiment, one of the two rollers 3 is connected to the roller drive motor 4 in a transmission manner. The roller drive motor 4 is installed on the roller frame 2, and the output shaft installed on the roller drive motor 4 is connected to the rotating shaft of one roller 3 through a belt or a chain.

[0037] The polishing mechanism includes a sliding seat 5 that moves along the length direction of the processing table 1. The sliding seat 5 can be driven by an existing linear drive mechanism such as a linear module and a screw rod. In order to improve the stability of the movement of the sliding seat 5, a guide rail is provided at the upper end of the processing table 1 along its length direction, and the sliding seat 5 is arranged on the guide rail.

[0038] A column 6 is provided at the upper end of the sliding seat 5, and a base mounting plate 7 that moves vertically is provided on the column 6. For this purpose, the base mounting plate 7 is fixedly mounted on the lifting part 22, and the lifting part 22 is driven by existing linear drive mechanisms such as linear modules and screw rods to move along the vertical guide rails on the side walls of the column 6; a base 8 is provided at the upper end of the base mounting plate 7, and a motor mounting frame 9 is rotatably provided on the base 8. The rotation axis of the motor mounting frame 9 is in the same direction as the width direction of the processing table 1, and the angle of the motor mounting frame 9 is fixed by a locking device. The locking device can adopt a device for fixing two components together in the prior art. In this embodiment, the base 8 is connected to the motor mounting frame 9 through a rotating shaft 23, and the rotating shaft 23 is close to the motor mounting frame 9. An arc hole 24 is provided on the motor mounting frame 9, and the center of the arc hole 24 is co-point with the center of the rotating shaft 23. The locking device is a locking bolt 25 in which a screw passes through the arc hole 24 and is threadedly connected to the base 8. When the locking bolt 25 is loosened, the motor mounting frame 9 can be rotated, and after the rotation is completed, the locking bolt 25 is tightened. A grinding drive motor 10 is fixedly arranged on the motor mounting frame 9, and a side end of the motor mounting frame 9 is fixedly connected to a grinding mounting plate 11, and a grinding unit driven by the grinding drive motor 10 is arranged on the grinding mounting plate 11.

[0039] The grinding unit can be a grinding wheel or the like. In this embodiment, the grinding unit includes a grinding drive wheel 13 and a grinding driven wheel 14 arranged at intervals along the width direction of the processing table 1. The grinding drive wheel 13 is connected to the grinding drive motor 10 in a transmission manner. The sanding belt 15 is wound around the grinding drive wheel 13 and the grinding driven wheel 14. In order to tension the sanding belt 15, a tensioning wheel is also arranged on the grinding mounting plate 11. The tensioning wheel is in contact with the inner side of the sanding belt 15, and the moving path of the sanding belt 15 is in the same direction as the width direction of the processing table 1. Limiting wheels 16 are arranged on both sides of the working area of ​​the sanding belt 15. The limiting wheels 16 are arranged in the same direction as the grinding drive wheel 13. The limiting wheels 16 are rotatably arranged on the limiting frame, and the limiting frame is fixedly arranged on the grinding mounting plate 11. The outer side of the limiting wheel 16 is covered with a buffer layer, and the buffer layer can be made of elastic materials such as rubber and silicone. The outer wall of the buffer layer is higher than the outer surface of the sanding belt 15.

[0040] A pushing frame 17 is provided on the grinding mounting plate 11, and the pushing frame 17 passes under the sanding belt 15. A holding portion 18 is provided on the pushing frame 17, and the sanding belt 15 is located between the holding portion 18 and the grinding mounting plate 11. A dust suction pipe 19 is provided on the working side of the grinding unit, and the dust suction pipe 19 can be installed on the pushing frame 17, and the dust suction pipe 19 is connected to a dust suction device, etc.

[0041] Specific working process: the staff first hoist the workpiece onto the supporting mechanism, at this time ensuring that the axial direction of the workpiece is consistent with the length direction of the processing table 1, and at the same time the lower part of the pipe side wall is in close contact with the upper part of the side wall of the roller 3.

[0042] After the workpiece is hoisted, when grinding the annular weld, the staff adjusts the motor mounting frame 9 so that the axes of the grinding drive wheel 13 and the grinding driven wheel 14 are parallel to the length direction of the processing table 1. Then, the height of the base mounting plate 7 and the lateral position of the sliding seat 5 are adjusted to ensure that the abrasive belt 15 can be accurately aligned with the annular weld of the workpiece. After that, the roller drive motor 4 is started, driving the roller 3 to rotate, and then driving the workpiece to rotate. At the same time, the abrasive belt 15 moves toward the workpiece until it is in close contact with the weld, thereby starting and completing the grinding of the annular weld.

[0043] When the axial weld needs to be polished, the workpiece remains stationary to ensure that the weld is located in the middle of the workpiece and faces the polishing mechanism. At the same time, the staff adjusts the motor mounting frame 9 so that the axes of the polishing drive wheel 13 and the polishing driven wheel 14 are consistent with the height direction (i.e., the vertical direction) of the processing table 1. Subsequently, the abrasive belt 15 is aligned with the weld position, and the sliding seat 5 slowly moves from one end of the workpiece to the other end along the length direction of the processing table 1, while the abrasive belt 15 moves to polish the weld, thereby completing the polishing process of the axial weld.

[0044] Embodiment 2, as Figure 1-13As shown, the other structures and working processes of this embodiment are the same as those of Embodiment 1, but due to the different diameters and lengths of different workpieces, in this embodiment, the base 8 slides along the width direction of the processing table 1 under the drive of the transverse driving mechanism 12. In order to improve the movement stability of the base 8, the upper end of the base mounting plate 7 is provided with a base guide rail along the width direction of the processing table 1, and the base 8 is mounted on these guide rails. The transverse driving mechanism 12 can be a cylinder, an electric push rod, etc. In this embodiment, the cylinder body of the transverse driving mechanism 12 is fixedly mounted on the base mounting plate 7 or the lifting part 22.

[0045] The spacing between the roller frames 2 can be adjusted along the length direction of the processing table 1, so that workpieces of different lengths can be supported. Therefore, in this embodiment, at least one roller frame 2 can slide along the length direction of the processing table 1. At the same time, since the distances between workpieces of different diameters and the abrasive belt 15 are different, in order to ensure the grinding effect, the roller frame 2 is required to be able to move along the width direction of the processing table 1.

[0046] For this purpose, the two roller frames 2 are independently mounted on the transverse guide rails at the upper ends of the two supports 26, and a driving mechanism is installed on the support 26 to push the roller frames 2 to move. The driving mechanism can be a hydraulic cylinder, an electric push rod, etc. In this embodiment, a transverse screw is provided on the upper end of the support 26 along the width direction of the processing table 1, and both ends of the transverse screw are connected to the bearing seat at the upper end of the support 26, and one end of the transverse screw extends out of the bearing seat and is connected to a handle or a motor; when the transverse screw is rotated, the distance between the roller frame 2 and the grinding mechanism can be adjusted.

[0047] One support 26 is fixedly mounted on the upper end of the processing table 1, and the other support 26 is arranged on the support rail at the upper end of the processing table 1, and the support rail is arranged along the length direction of the processing table 1. The support 26 arranged on the support rail can be driven by an existing driving device such as a hydraulic cylinder, a linear module, a screw rod, etc. As the sliding support 26 moves, the distance between the two roller frames 2 can be adjusted.

[0048] A stop wheel 20 is rotatably arranged on the fixed roller frame 2, and the axis of the stop wheel 20 extends obliquely upward to the outside of the processing table 1. When the workpiece is hoisted, the end face of the workpiece abuts against the stop wheel 20.

[0049] The upper end of the roller frame 2 is provided with an elongated hole along the width direction of the processing table 1. The lower end of the roller seat 21 is adapted to the elongated hole, and the roller 3 on the roller seat 21 is not connected to the roller drive motor 4. The lower end of the roller seat 21 extends into the roller frame 2 and is connected to the roller frame drive mechanism, which can be a hydraulic cylinder, an electric push rod, etc. In this embodiment, a rotatable adjustment screw is installed inside the roller frame 2, and the adjustment screw is arranged along the width direction of the processing table 1 and is threadedly connected to the roller seat 21 extending into the roller frame 2. One end of the adjustment screw extends out of the roller frame 2 so as to be connected to a handle or a motor. By rotating the adjustment screw, the distance between the two rollers 3 can be adjusted.

[0050] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0051] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above are only preferred implementation methods of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can also make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. A tubular workpiece surface processing system, comprising a processing table (1), wherein a support mechanism and a grinding mechanism are arranged at intervals on the upper end of the processing table (1) along its width direction; characterized in that: The support mechanism comprises a roller frame (2) arranged at intervals along the length direction of the processing table (1), rollers (3) are arranged at intervals on the upper end of the roller frame (2) along the width direction of the processing table (1), the axes of the rollers (3) are arranged along the length direction of the processing table (1), and at least one roller (3) is connected to a roller drive motor (4) in a transmission manner; the polishing mechanism comprises a sliding seat (5) movable along the length direction of the processing table (1), a column (6) is arranged at the upper end of the sliding seat (5), and a base mounting plate movable along the vertical direction is arranged on the column (6). The base mounting plate (7) is provided with a base (8) at the upper end thereof, a motor mounting frame (9) is rotatably provided on the base (8), the rotation axis of the motor mounting frame (9) is in the same direction as the width direction of the processing table (1), the angle of the motor mounting frame (9) is fixed by a locking device, a grinding drive motor (10) is provided on the motor mounting frame (9), a grinding mounting plate (11) is provided on the motor mounting frame (9), and a grinding unit driven by the grinding drive motor (10) is provided on the grinding mounting plate (11).

2. A tubular workpiece surface processing system according to claim 1, characterized in that: The base (8) slides along the width direction of the processing table (1) under the drive of the transverse driving mechanism (12).

3. A tubular workpiece surface processing system according to claim 1, characterized in that: The grinding unit comprises a grinding drive wheel (13) and a grinding driven wheel (14) which are arranged at intervals along the width direction of the processing table (1); the grinding drive wheel (13) is drivingly connected to a grinding drive motor (10); and a sanding belt (15) is wound around the grinding drive wheel (13) and the grinding driven wheel (14).

4. A tubular workpiece surface processing system according to claim 3, characterized in that: Limiting wheels (16) are arranged on both sides of the working area of ​​the sanding belt (15), and the outer sides of the limiting wheels (16) are covered with a buffer layer.

5. A tubular workpiece surface processing system according to claim 1, characterized in that: A pushing frame (17) is arranged on the polishing installation plate (11), and a gripping portion (18) is arranged on the pushing frame (17).

6. A tubular workpiece surface processing system according to claim 1, characterized in that: A dust suction pipe (19) is provided on the working side of the grinding unit.

7. A tubular workpiece surface processing system according to claim 1, characterized in that: The spacing between the roller frames (2) is adjusted along the length direction of the processing table (1).

8. A tubular workpiece surface processing system according to claim 7, characterized in that: One side roller frame (2) is fixedly arranged, and the other side roller frame (2) is movably arranged, wherein a stop wheel (20) is rotatably arranged on the fixed roller frame (2).

9. A tubular workpiece surface processing system according to claim 1, characterized in that: The roller frame (2) moves along the width direction of the processing table (1).

10. The tubular workpiece surface processing system according to claim 1, characterized in that: The position of the roller (3) not connected to the roller drive motor (4) is adjusted along the width direction of the processing table (1).

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