Spiral steel pipe end welding seam grinding machine

By designing a spiral steel pipe end weld grinder using a dual-axis motor and belt transmission, the problem of inefficient grinding of spiral steel pipe welds in the prior art is solved, and efficient grinding of the inner and outer walls is achieved simultaneously and debris is effectively collected.

CN222644033UActive Publication Date: 2025-03-21HEBEI PINHUA MANAGEMENT CO LTD
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Patent Information

Application Number
CN202420545499.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-20
Publication Date
2025-03-21
Estimated Expiration
2034-03-20

AI Technical Summary

Technical Problem

The existing spiral steel pipe end weld grinders have low efficiency in grinding the spiral steel pipe welds, and they cannot polish the inner and outer walls at the same time, resulting in low efficiency.

Method used

A spiral steel pipe end weld grinding machine is designed, using a dual-axis motor to drive the rotating rod to drive the drive wheel and the driven wheel through the belt, and combined with an electric push rod to drive the grinding wheel to grind the outer and inner walls of the welds.

Benefits of technology

The grinding efficiency of the spiral steel pipe welds is improved, and the inner and outer walls are simultaneously polished, which significantly improves the working efficiency and effectively collects debris generated during grinding through the dust collector.

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Abstract

The utility model relates to the technical field of grinding, and provides a spiral steel pipe end welding seam grinding machine which comprises a working table body, a processing box is fixedly installed on the upper end face of the working table body, a grinding assembly is installed on the processing box, and vertical plates are fixedly installed on the two symmetrical sides of the upper end face of the working table body. Two first electric push rods are started to drive a first grinding wheel and a cleaning brush to be close to the welding seam of the spiral steel pipe, then a double-shaft motor is started to drive a driving wheel to rotate, the driving wheel drives a rotating cylinder to rotate at a high speed through a belt, and the rotating cylinder rotates at a high speed. Meanwhile, a multi-section electric push rod is started to drive a second grinding wheel to be close to the inner wall of the welding seam of the spiral steel pipe, meanwhile, a first driving motor is started to drive the second grinding wheel to rotate at a high speed, and therefore the inner wall of the welding seam of the spiral steel pipe is rubbed; therefore, the grinding efficiency of the spiral steel pipe welding seam is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding, and in particular to a spiral steel pipe end weld grinding machine. Background Art

[0002] According to the national standard GB / T9711-2017, the finished product of spiral steel pipe needs to ensure the smoothness of the inner and outer surfaces of the spiral steel pipe end, and no residual weld height is allowed. Therefore, it is necessary to process the welds produced during the welding process of the spiral steel pipe to remove the weld height so that the finished end of the spiral steel pipe is smooth and smooth to meet the requirements of the national standard.

[0003] A seamless pipe end weld grinding machine is disclosed in the patent with publication number CN219562461U, which includes a base, a vertical plate fixedly connected to one side of the base, a horizontal plate fixedly connected to the top of the vertical plate, a support plate fixedly connected to one side of the vertical plate, a rotating groove provided on one side of the support plate, a first motor fixedly connected to the top of the horizontal plate, and a screw rod fixedly connected to the output end of the first motor.

[0004] However, there are shortcomings in the above structure. The grinding efficiency of the spiral steel pipe end weld is not high, and the inner wall and outer wall of the spiral steel pipe end weld cannot be ground at the same time, and the grinding efficiency is low. Therefore, the utility model provides a spiral steel pipe end weld grinder. Utility Model Content

[0005] The utility model proposes a spiral steel pipe end weld grinder to solve the problems of low grinding efficiency of the spiral steel pipe end weld proposed in the above background technology, inability to grind the inner and outer walls of the spiral steel pipe end weld at the same time, and low grinding efficiency.

[0006] The technical solution of the utility model is as follows:

[0007] A spiral steel pipe end weld grinding machine comprises a workbench body, a processing box is fixedly installed on the upper end surface of the workbench body, a double-opening door is rotatably connected to one side of the processing box through a hinge, a grinding assembly is installed on the processing box, vertical plates are symmetrically fixedly installed on both sides of the upper end surface of the workbench body, and moving components for driving the spiral steel pipe to move are installed on the two vertical plates.

[0008] The grinding assembly includes a double-axis motor fixedly mounted on the top of the processing box, and output ends of both ends of the double-axis motor are fixedly mounted with a rotating rod, and support seats are fixedly mounted on both sides of the top of the processing box symmetrically, and the two rotating rods are movably penetrated to one side of the support seat away from one end of the double-axis motor and are fixedly mounted with a driving wheel. The two sides of the processing box are rotatably connected with a rotating cylinder through a rotating shaft, and the outer surfaces of the two rotating cylinders are located outside the processing box and are fixedly mounted with a driven wheel. An L-shaped support rod is fixedly mounted on the bottom of one end of the two rotating cylinders, and an electric push rod is fixedly mounted on the top of the two L-shaped support rods. A grinding wheel is fixedly mounted on the output end of the left electric push rod, and a cleaning brush is fixedly mounted on the output end of the right electric push rod. A limiting groove is provided on one side of the upper end surface of the workbench body, and a threaded rod is rotatably connected in the limiting groove. One end of the threaded rod penetrates to the outside of the limiting groove through a bearing and is fixedly mounted with a rotating handle. The outer surface of the threaded rod is threadedly connected with a moving plate, and a driving assembly for grinding the inner wall of the weld is installed on one side of the top of the moving plate

[0009] Preferably, the driving assembly includes a protection box fixedly mounted on one side of the top of the movable plate, a driving motor 1 is fixedly mounted inside the protection box, an output end of the driving motor 1 passes through a bearing to the outside of the protection box and is fixedly mounted with a connecting plate, a multi-section electric push rod is fixedly mounted on one end of the connecting plate, a fixing block is fixedly mounted on the output end of the multi-section electric push rod, an electric push rod 2 is fixedly mounted on the top of the fixing block, and a grinding wheel 2 is fixedly mounted on the output end of the electric push rod 2.

[0010] Preferably, the moving component includes a second driving motor fixedly mounted on one side of the bottom of the vertical plate, an output end of the second driving motor passes through a bearing and a first clamping roller is fixedly mounted on one side of the vertical plate, a slide groove is opened in the top of the vertical plate, a slider is slidably connected inside the slide groove, a second clamping roller is rotatably connected to one side of the slider, a spring is fixedly mounted on the top of the slider, a threaded screw is fixedly mounted on the top of the spring, the top of the threaded screw has a thread that passes through the top of the vertical plate and a second rotating handle is fixedly mounted thereon.

[0011] Preferably, a belt is installed between the driving wheel and the driven wheel, and the driving wheel and the driven wheel are connected via a belt transmission.

[0012] Preferably, a moving groove for facilitating the movement of the second clamping roller is opened on one side of the top of the vertical plate.

[0013] Preferably, a through opening is provided on the workbench body at the bottom of the processing box, and slots are fixedly installed on the lower end surface of the workbench body at both sides of the through opening, and a dust collection box is inserted between the two slots.

[0014] Preferably, the axis center of the output end of the multi-section electric push rod, the axis center of the rotating cylinder and the axis center of the clamped spiral steel pipe are on the same horizontal plane.

[0015] The working principle and beneficial effects of the utility model are:

[0016] 1. In the utility model, two electric push rods are started to drive a grinding wheel and a cleaning brush to approach the weld of the spiral steel pipe, and then a dual-axis motor is started to drive a driving wheel at one end of a rotating rod to rotate, and the driving wheel drives a driven wheel to rotate through a belt, and the driven wheel drives a rotating drum to rotate at a high speed. While the rotating drum rotates at a high speed, the outer wall of the weld of the spiral steel pipe is rubbed by the friction between the rotating drum and the grinding wheel, and at the same time, a multi-section electric push rod is started to drive a grinding wheel 2 to approach the inner wall of the weld of the spiral steel pipe, and at the same time, a driving motor is started to drive the grinding wheel 2 to rotate at a high speed, thereby rubbing the inner wall of the weld of the spiral steel pipe, thereby improving the grinding efficiency of the weld of the spiral steel pipe.

[0017] 2. In the utility model, the spiral steel pipe to be ground is placed between the first clamping roller and the second clamping roller, and is placed between the first clamping roller and the second clamping roller on the other side through the processing box. The threaded screw is driven to rotate by rotating the second rotating handle, and the threaded screw drives the slider to move. The slider drives the second clamping roller to squeeze the spiral steel pipe and the first clamping roller. At the same time, the second driving motor is started to drive the first clamping roller to rotate, thereby moving the spiral steel pipe. There is no need to manually transport the spiral steel pipe, which increases work efficiency. At the same time, the dust collecting box provided can effectively collect the debris generated during grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the grinding assembly of the utility model;

[0021] Figure 3 It is a schematic diagram of the drive assembly of the utility model;

[0022] Figure 4 It is a schematic diagram of a mobile component of the utility model.

[0023] In the figure: 1, workbench body; 2, processing box; 3, double door; 4, vertical board; 5, belt; 6, moving slot; 7, slot; 8, dust box; 100, grinding assembly; 101, double-axis motor; 102, rotating rod; 103, support seat; 104, driving wheel; 105, rotating cylinder; 106, driven wheel; 107, L-shaped support rod; 108, electric push rod 1; 109, grinding wheel 1; 110, cleaning brush; 111, limit slot; 112, threaded rod; 113, Rotating handle one; 114, moving plate; 200, moving assembly; 201, driving motor two; 202, first clamping roller; 203, slide groove; 204, slider; 205, second clamping roller; 206, spring; 207, threaded screw; 208, rotating handle two; 300, driving assembly; 301, protection box; 302, driving motor one; 303, connecting plate; 304, multi-section electric push rod; 305, fixing block; 306, electric push rod two; 307, grinding wheel two. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1

[0026] like Figure 1~Figure 4 As shown, this embodiment proposes a spiral steel pipe end weld grinding machine, including a workbench body 1, a processing box 2 is fixedly installed on the upper end surface of the workbench body 1, a double-opening door 3 is rotatably connected to one side of the processing box 2 through a hinge, a grinding assembly 100 is installed on the processing box 2, and vertical plates 4 are symmetrically fixedly installed on both sides of the upper end surface of the workbench body 1, and a moving assembly 200 for driving the spiral steel pipe to move is installed on the two vertical plates 4.

[0027] The grinding assembly 100 includes a dual-axis motor 101 fixedly mounted on the top of the processing box 2, the input end of the dual-axis motor 101 is connected to the power supply through an external cable, and the output ends of both ends of the dual-axis motor 101 are fixedly mounted with rotating rods 102, and the top of the processing box 2 is symmetrically fixedly mounted with support seats 103 on both sides, and the two rotating rods 102 are movably penetrated to one side of the support seat 103 at one end away from the dual-axis motor 101 and are fixedly mounted with driving wheels 104, and the two sides of the processing box 2 are rotatably connected with rotating cylinders 105 through rotating shafts, and the two rotating cylinders 105 are fixedly mounted with the two rotating cylinders 105. The outer surface of the cylinder 105 is located outside the processing box 2 and is fixedly installed with a driven wheel 106. An L-shaped support rod 107 is fixedly installed at the bottom of one end of the two rotating cylinders 105. A sensor 1 is set on one side of the L-shaped support rod 107. An electric push rod 108 is fixedly installed on the top of the two L-shaped support rods 107. The input end of the electric push rod 108 is connected to the power supply through an external cable. A grinding wheel 109 is fixedly installed at the output end of the left electric push rod 108, and a cleaning brush 110 is fixedly installed at the output end of the right electric push rod 108. A limiting groove 111 is provided on one side of the upper end surface of the workbench body 1, and a threaded rod 112 is rotatably connected in the limiting groove 111. One end of the threaded rod 112 passes through the bearing to the outside of the limiting groove 111 and is fixedly installed with a rotating handle 113. A movable plate 114 is threadedly connected to the outer surface of the threaded rod 112. The outer surface of the bottom of the movable plate 114 matches the inner wall of the limiting groove 111. A driving component 300 is installed on one side of the top of the movable plate 114 to facilitate grinding the inner wall of the weld. The grinding component 100 can be effectively The outer wall of the spiral steel pipe weld is ground. When it is necessary to grind the outer wall of the spiral steel pipe weld, the dual-axis motor 101 is started to drive the driving wheel 104 at one end of the two rotating rods 102 to rotate, and the driving wheel 104 drives the driven wheel 106 to rotate through the belt 5. The driven wheel 106 drives the rotating cylinder 105 to rotate at a high speed. When the rotating cylinder 105 rotates at a high speed, it drives the grinding wheel 109 to generate friction with the outer wall of the spiral steel pipe weld, thereby grinding the outer wall of the spiral steel pipe weld.

[0028] Example 2

[0029] like Figure 1~Figure 4As shown, based on the same concept as the above-mentioned embodiment 1, the present embodiment further proposes that the driving assembly 300 includes a protection box 301 fixedly installed on one side of the top of the moving plate 114, a driving motor 1 302 is fixedly installed inside the protection box 301, the input end of the driving motor 1 302 is connected to the power supply through an external cable, the output end of the driving motor 1 302 passes through the bearing to the outside of the protection box 301 and is fixedly installed with a connecting plate 303, one end of the connecting plate 303 is fixedly installed with a multi-section electric push rod 304, the input end of the multi-section electric push rod 304 is connected to the power supply through an external cable, the output end of the multi-section electric push rod 304 is fixedly installed with a fixed block 305, one side of the fixed block 305 is provided with a sensor 2, and the top of the fixed block 305 is fixedly installed with an electric push rod 2 306 The input end of the electric push rod 306 is connected to the power supply through an external cable, and the output end of the electric push rod 306 is fixedly installed with a grinding wheel 307. The inner wall of the spiral steel pipe weld can be effectively ground through the set drive assembly 300. When the inner wall of the spiral steel pipe weld needs to be ground, the threaded rod 112 is driven to rotate by rotating the rotating handle 113. The threaded rod 112 drives the moving plate 114 to move to the top while rotating. At this time, the electric push rod 306 is located at the axis of the rotating cylinder 105, and then the multi-section electric push rod 304 is started to drive the grinding wheel 307 to insert into the spiral steel pipe and move to the spiral steel pipe weld. Then, the electric push rod 306 is driven by the sensor to drive the grinding wheel 307 to approach the spiral steel pipe weld. , and then start the driving motor 1 302 to drive the grinding wheel 2 307 to rotate at high speed, so as to grind the inner wall of the spiral steel pipe weld. The moving component 200 includes a driving motor 201 fixedly installed on one side of the bottom of the vertical plate 4. The input end of the driving motor 201 is connected to the power supply through an external cable. The output end of the driving motor 201 passes through the vertical plate 4 through a bearing and is fixedly installed with a first clamping roller 202 on one side. A slide groove 203 is opened in the top of the vertical plate 4. A slider 204 is slidably connected inside the slide groove 203. A second clamping roller 205 is rotatably connected to one side of the slider 204. A spring 206 is fixedly installed on the top of the slider 204. A threaded screw 207 is fixedly installed on the top of the spring 206. The top of the threaded screw 207 is threaded to the top of the vertical plate 4 and fixed. A rotating handle 208 is installed, and the moving component 200 can effectively drive the spiral steel pipe to move. When the spiral steel pipe needs to be moved, first put the spiral steel pipe to be ground between the first clamping roller 202 and the second clamping roller 205, and pass through the processing box 2 to be placed between the first clamping roller 202 and the second clamping roller 205 on the other side, and rotate the rotating handle 208 to drive the threaded screw 207 to rotate, and the threaded screw 207 drives the slider 204 to move, and the slider 204 drives the second clamping roller 205 to squeeze the spiral steel pipe and the first clamping roller 202, and at the same time start the driving motor 201 to drive the first clamping roller 202 to rotate, so as to move the spiral steel pipe, and there is no need to manually transport the spiral steel pipe.A belt 5 is installed between the driving wheel 104 and the driven wheel 106, and the driving wheel 104 and the driven wheel 106 are connected by the belt 5. A moving groove 6 is opened on one side of the top of the vertical plate 4 to facilitate the movement of the second clamping roller 205. A through hole is opened on the workbench body 1 at the bottom of the processing box 2. Slots 7 are fixedly installed on the lower end surface of the workbench body 1 on both sides of the through hole. A dust box 8 is inserted between the two slots 7. The dust box 8 is used to collect debris generated during grinding. The axis of the output end of the multi-section electric push rod 304, the axis of the rotating cylinder 105 and the axis of the clamped spiral steel pipe are on the same horizontal plane.

[0030] During operation, the spiral steel pipe is first passed through between the first clamping roller 202 and the second clamping roller 205, and passed through the processing box 2 and placed between the first clamping roller 202 and the second clamping roller 205 on the other side. Then, the rotating handle 208 is turned to drive the threaded screw 207 to rotate, and the threaded screw 207 drives the slider 204 to move. The slider 204 drives the second clamping roller 205 to squeeze the spiral steel pipe and the first clamping roller 202. Then, the threaded rod 112 is driven to rotate by turning the rotating handle 113. While the threaded rod 112 rotates, it drives the moving plate 114 to move to the top. At this time, the electric push rod 2 306 is located at the axis of the rotating cylinder 105. Then, the driving motor 201 is started to drive the first clamping roller 202 to rotate, thereby moving the spiral steel pipe. When the weld of the spiral steel pipe moves to just above the grinding wheel 109, the electric push rod 108 is started to drive the electric push rod 108 and the cleaning brush 110 close to the spiral The outer surface of the steel pipe is then driven by the dual-axis motor 101 to rotate the driving wheel 104 at one end of the two rotating rods 102, and the driving wheel 104 drives the driven wheel 106 to rotate through the belt 5, and the driven wheel 106 drives the rotating cylinder 105 to rotate at a high speed. While the rotating cylinder 105 rotates at a high speed, it drives the grinding wheel 109 to produce friction with the outer wall of the spiral steel pipe weld, thereby grinding the outer wall of the spiral steel pipe weld. At the same time, the cleaning brush 110 cleans the debris adhering to the outer surface of the spiral steel pipe, and the debris falls into the dust box 8 through the opening for collection. At the same time, the multi-section electric push rod 304 is started to drive the grinding wheel 2 307 to insert into the spiral steel pipe and move to the spiral steel pipe weld. Then, the electric push rod 2 306 is driven by the sensor to drive the grinding wheel 2 307 close to the spiral steel pipe weld, and then the driving motor 1 302 is started to drive the grinding wheel 2 307 to rotate at a high speed, thereby grinding the inner wall of the spiral steel pipe weld.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spiral steel pipe end weld grinding machine, characterized in that: The workbench body (1) comprises a processing box (2) fixedly mounted on the upper end surface of the workbench body (1), a double-opening door (3) being rotatably connected to one side of the processing box (2) via a hinge, a grinding assembly (100) being mounted on the processing box (2), vertical plates (4) being symmetrically fixedly mounted on both sides of the upper end surface of the workbench body (1), and moving assemblies (200) for driving the spiral steel pipe to move being mounted on the two vertical plates (4); The grinding assembly (100) comprises a double-axis motor (101) fixedly mounted on the top of a processing box (2), rotating rods (102) are fixedly mounted on both output ends of the double-axis motor (101), support seats (103) are fixedly mounted on both symmetrical sides of the top of the processing box (2), the two rotating rods (102) at one end away from the double-axis motor (101) are movable and extend through one side of the support seat (103) and are fixedly mounted with driving wheels (104), rotating cylinders (105) are rotatably connected to the two sides of the processing box (2) via rotating shafts, driven wheels (106) are fixedly mounted on the outer surfaces of the two rotating cylinders (105) located outside the processing box (2), L-shaped support rods (107) are fixedly mounted on the bottom of one end of the two rotating cylinders (105), and the two rotating cylinders (105) are fixedly mounted on the bottom of one end of the two rotating cylinders (105). An electric push rod (108) is fixedly mounted on the top of the L-shaped support rod (107); a grinding wheel (109) is fixedly mounted on the output end of the electric push rod (108) on the left side; a cleaning brush (110) is fixedly mounted on the output end of the electric push rod (108) on the right side; a limiting groove (111) is provided on one side of the upper end surface of the workbench body (1); a threaded rod (112) is rotatably connected in the limiting groove (111); one end of the threaded rod (112) passes through the outside of the limiting groove (111) through a bearing and is fixedly mounted with a rotating handle (113); a movable plate (114) is threadedly connected to the outer surface of the threaded rod (112); a driving component (300) for grinding the inner wall of the weld is mounted on one side of the top of the movable plate (114).

2. A spiral steel pipe end weld grinding machine according to claim 1, characterized in that: The driving assembly (300) comprises a protection box (301) fixedly mounted on one side of the top of the moving plate (114); a driving motor 1 (302) is fixedly mounted inside the protection box (301); an output end of the driving motor 1 (302) passes through the outside of the protection box (301) through a bearing and is fixedly mounted with a connecting plate (303); a multi-section electric push rod (304) is fixedly mounted on one end of the connecting plate (303); a fixing block (305) is fixedly mounted on the output end of the multi-section electric push rod (304); a second electric push rod (306) is fixedly mounted on the top of the fixing block (305); and a second grinding wheel (307) is fixedly mounted on the output end of the second electric push rod (306).

3. The spiral steel pipe end weld grinding machine according to claim 1, characterized in that: The moving assembly (200) comprises a second driving motor (201) fixedly mounted on one side of the bottom of the vertical plate (4); the output end of the second driving motor (201) is penetrated through a bearing and a first clamping roller (202) is fixedly mounted on one side of the vertical plate (4); a slide groove (203) is provided in the top of the vertical plate (4); a slider (204) is slidably connected inside the slide groove (203); a second clamping roller (205) is rotatably connected to one side of the slider (204); a spring (206) is fixedly mounted on the top of the slider (204); a threaded screw (207) is fixedly mounted on the top of the spring (206); the threaded top of the threaded screw (207) penetrates through the top of the vertical plate (4) and a second rotating handle (208) is fixedly mounted thereon.

4. The spiral steel pipe end weld grinding machine according to claim 1, characterized in that: A belt (5) is installed between the driving wheel (104) and the driven wheel (106), and the driving wheel (104) and the driven wheel (106) are connected to each other through the belt (5).

5. The spiral steel pipe end weld grinding machine according to claim 1, characterized in that: A moving groove (6) for facilitating the movement of the second clamping roller (205) is provided on one side of the top of the vertical plate (4).

6. The spiral steel pipe end weld grinding machine according to claim 1, characterized in that: The workbench body (1) is provided with a through opening at the bottom of the processing box (2), and slots (7) are fixedly installed on the lower end surface of the workbench body (1) on both sides of the through opening, and a dust collection box (8) is inserted between the two slots (7).

7. The spiral steel pipe end weld grinding machine according to claim 2, characterized in that: The axis center of the output end of the multi-section electric push rod (304), the axis center of the rotating cylinder (105) and the axis center of the clamped spiral steel pipe are on the same horizontal plane.

Citation Information

Patent Citations

  • Seamless pipe end welding seam grinding machine

    CN219562461U