Straight seam welded pipe weld polishing device

Abstract

The utility model relates to welding subsequent treatment equipment technical field discloses straight weld pipe weld polishing device, including support and fixed connection in polishing structure of support one end, still include moving assembly and clamping assembly, moving assembly includes the moving frame of sliding installation in support, and the motor fixed in support, gear driven by motor and the rack fixed in moving frame and is engaged with gear, moving assembly still includes the slide rail fixed in support and the sliding block sliding fit with slide rail, clamping assembly installs in moving frame top, the utility model discloses adopt workpiece movement, the mode of fixed grinding head, solved the problem that the low polishing precision of prior art long cantilever grinding head vibration, through motor drive gear rack cooperation slide rail, makes weld pipe feeding stable, transmission accurate, and the polishing quality is high.

Description

Technical Field

[0001] This utility model relates to the technical field of welding post-processing equipment, specifically to a grinding device for straight seam welded pipe welds. Background Technology

[0002] During the welding process of straight seam welded pipes, a longitudinal weld seam inevitably forms on the inner wall. To meet the requirements of subsequent use or corrosion protection, the excess height of this internal weld seam usually needs to be ground down.

[0003] In existing technologies, a common automated grinding method involves fixing the workpiece and moving the cutting tool. Specifically, the straight seam welded pipe is fixed on a frame, and the grinding structure is installed at the end of a long cantilever, which extends into the pipe and is driven to move linearly along the length of the pipe, thereby driving the grinding head to grind the weld.

[0004] However, when processing long welded pipes, the cantilever must be extremely long. This long cantilever structure is highly susceptible to vibration and elastic deformation at its end when moving at high speeds or subjected to grinding resistance. This instability is directly transmitted to the grinding head, resulting in uneven grinding depth, vibration marks on the weld surface, and difficulty in ensuring grinding straightness and surface quality. Furthermore, the transmission mechanism used to drive this long cantilever's precise linear movement inside the pipe is relatively complex, difficult to maintain, and costly.

[0005] Therefore, this utility model proposes a straight seam welded pipe weld grinding device to overcome the shortcomings of the prior art. Utility Model Content

[0006] To overcome the above shortcomings, this utility model provides a straight seam welded pipe weld seam grinding device, which aims to improve the problem that the long cantilever grinding structure used in the existing straight seam welded pipe weld seam grinding device is prone to vibration and deformation during movement, resulting in low grinding accuracy and poor weld seam surface quality.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a straight seam welded pipe weld grinding device, including a bracket, a grinding structure, the grinding structure being fixedly connected to one end of the bracket, and a moving component, the moving component including a moving frame, a motor, a gear and a rack, the moving frame being slidably mounted on the bracket, the motor being fixed to the bracket, the gear being driven by the motor, and the rack being fixedly connected to the moving frame and meshing with the gear; A clamping assembly, the clamping assembly being mounted on the top of the movable frame; Preferably, the movable component further includes a slide rail fixedly connected to the bracket; Preferably, the moving component further includes a slider fixedly connected to the moving frame; the slider slides in cooperation with the slide rail. Preferably, the clamping assembly includes a support plate fixed to the movable frame; Preferably, the clamping assembly further includes a clamping plate movably disposed above the support plate; Preferably, the clamping assembly further includes a handle fixedly connected to the clamping plate; Preferably, the clamping assembly further includes a hollow column and a sliding column, the hollow column being fixed to the support plate, and the sliding column being fixed to the clamping plate and slidingly passing through the inner wall of the hollow column; Preferably, the clamping assembly further includes a baffle and a spring, the baffle being fixedly connected to the bottom of the sliding column, and the spring being disposed between the baffle and the bottom of the hollow column.

[0008] This utility model has the following beneficial effects: 1. This utility model, by setting a fixed grinding structure and cooperating with a moving component that can move linearly along the support, and the moving component is equipped with a clamping component for fixing the welded pipe, the moving component is driven by a motor and gear rack transmission, and guided by a slider and slide rail, solves the problems of low automation, unstable pipe feeding and uneven grinding quality in the prior art for grinding the internal weld of straight seam welded pipe, and achieves the effect of automatic, uniform and stable linear feeding of the welded pipe, realizing efficient and precise grinding of the internal weld.

[0009] 2. This utility model solves the problems of transmission slippage, inaccurate positioning, or movement vibration that may exist in traditional feeding methods by using a motor-driven gear and rack meshing transmission, and simultaneously cooperating with the slide rail fixed to the bracket and the slider fixed to the moving frame. It achieves the effects of precise transmission, stable structure, and reliable guidance, ensuring the stability of the moving frame during the movement of the welded pipe.

[0010] 3. This utility model solves the problems of cumbersome operation and unreliable fixation of welded pipes in the prior art by setting a clamping component installed on the top of the movable frame. The clamping component includes a support plate, a clamping plate, and an elastic guiding mechanism composed of hollow columns, sliding columns, baffles and springs. It achieves the effect of compact structure, convenient operation and stable and reliable clamping. Attached Figure Description

[0011] Figure 1 This is a perspective view of the straight seam welded pipe weld grinding device proposed in this utility model. Figure 2 This is a schematic diagram of the outer wall structure of the support for the straight seam welded pipe grinding device proposed in this utility model; Figure 3This is a schematic diagram of the side wall structure of the moving component of the straight seam welded pipe grinding device proposed in this utility model; Figure 4 This is a schematic diagram of the side wall structure of the clamping component of the straight seam welded pipe grinding device proposed in this utility model. Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0012] Legend: 1. Bracket; 2. Moving assembly; 201. Motor; 202. Gear; 203. Rack; 204. Moving frame; 205. Slider; 206. Slide rail; 3. Clamping assembly; 301. Clamping plate; 302. Handle; 303. Support plate; 304. Hollow column; 305. Sliding column; 306. Baffle; 307. Spring; 4. Grinding structure. Detailed Implementation

[0013] 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.

[0014] Reference Figures 1-5This utility model provides an embodiment of a straight seam welded pipe weld grinding device, including a support 1 and a movable component 2 slidably mounted on the support 1. The support 1 serves as the mounting base for the entire device, providing a stable mounting platform for other components. The movable component 2 is used to support and drive the welded pipe to move linearly. The device also includes a grinding structure 4 fixedly connected to one end of the support 1, which is used to grind the weld seam inside the welded pipe. In a specific implementation, the movable component 2 includes a movable frame 204, a motor 201, a gear 202, and a rack 203. The movable frame 204 serves as the bearing platform for the movable component 2 and is slidably mounted on the support 1. The motor 201 serves as the power source and is fixed to the support 1. The gear 202 is... The motor 201 drives the rotation, and the rack 203 is fixedly connected to the movable frame 204 and always meshes with the gear 202. When the motor 201 is working, the motor 201 drives the gear 202 to rotate. The rotating gear 202 drives the rack 203 that meshes with it, thereby driving the movable frame 204, which is fixed with the rack 203, to make a smooth linear reciprocating motion along the support 1. Thus, the rotational motion of the motor is accurately converted into the linear motion of the movable frame 204. The device also includes a clamping assembly 3, which is installed on the top of the movable frame 204 and moves synchronously with the movable frame 204. The clamping assembly 3 is used to quickly and reliably position and clamp the straight seam welded pipe that needs to be ground. The moving component 2 also includes a slide rail 206, which is fixedly connected to the bracket 1 and provides a guiding reference for the linear movement of the moving frame 204. The moving component 2 also includes a slider 205, which is fixedly connected to the bottom of the moving frame 204 and slides in cooperation with the slide rail 206. In the assembled state, the slider 205 reciprocates along the length of the slide rail 206, driving the moving frame 204 to move synchronously. This sliding cooperation structure between the slider 205 and the slide rail 206 ensures the high stability and anti-deflection capability of the moving frame 204 during the meshing transmission of the gear 202 and the rack 203, and ensures the straightness of the subsequent grinding. The specific structure of the clamping assembly 3 is defined as follows: the clamping assembly 3 includes a support plate 303 fixed to the movable frame 204, the support plate 303 is used to support the welded pipe, the clamping assembly 3 also includes a clamping plate 301 movably disposed above the support plate 303, the clamping assembly 3 also includes a handle 302 fixedly connected to the clamping plate 301 to facilitate operation of the clamping plate 301, the clamping assembly 3 also includes a hollow column 304 and a sliding column 305, the hollow column 304 is fixed to the support plate 303, the sliding column 305 is fixed to the clamping plate 301 and slides through the inner wall of the hollow column 304, the clamping assembly 3 also includes a baffle 306 and a spring 307 to provide the elastic force required for clamping, the baffle 306 is fixedly connected to the bottom of the sliding column 305, and the spring 307 is disposed between the baffle 306 and the bottom of the hollow column 304.

[0015] Working principle: When using the straight seam welded pipe grinding device, first place the steel pipe on top of the support plate 303 of the clamping assembly 3, then pull the handle 302. The handle 302 drives the clamping plate 301 to move. The movement of the clamping plate 301 causes the bottom sliding column 305 to slide on the inner wall of the hollow column 304. The movement of the sliding column 305 causes the bottom baffle 306 to slide on the inner wall of the hollow column 304. When the baffle 306 moves, it stretches the bottom spring 307, thus achieving the effect of fixing the steel pipe. After the steel pipe is fixed, ensure that the grinding structure 4, which is fixedly connected to one end of the bracket 1, extends into the inside of the steel pipe. Next, when using the moving component 2, the motor 201 drives the gear 202 to rotate. The rotation of the gear 202 drives the rack 203, which meshes with it, to move. The movement of the rack 203 drives the moving frame 204 to move. The movement of the moving frame 204 drives the bottom slider 205 to slide on the outer wall of the slide rail 206, thus achieving the effect of driving the steel pipe to move. This allows the weld seam inside the steel pipe to pass through the grinding structure 4, completing the grinding.

Claims

1. A grinding device for straight seam welded pipes, comprising: Support (1); A grinding structure (4) is fixedly connected to one end of the bracket (1); Its characteristic is that it further includes: The moving component (2) includes a moving frame (204), a motor (201), a gear (202), and a rack (203). The moving frame (204) is slidably mounted on the bracket (1). The motor (201) is fixed to the bracket (1). The gear (202) is driven by the motor (201). The rack (203) is fixedly connected to the moving frame (204) and meshes with the gear (202). Clamping assembly (3) is mounted on top of the movable frame (204).

2. The straight seam welded pipe weld grinding device according to claim 1, characterized in that: The movable component (2) also includes a slide rail (206) fixedly connected to the bracket (1).

3. The straight seam welded pipe weld grinding device according to claim 2, characterized in that: The moving component (2) further includes a slider (205) fixedly connected to the moving frame (204); the slider (205) is slidably engaged with the slide rail (206).

4. The straight seam welded pipe weld grinding device according to claim 1, characterized in that: The clamping assembly (3) includes a support plate (303) fixed to the movable frame (204).

5. The straight seam welded pipe weld grinding device according to claim 4, characterized in that: The clamping assembly (3) also includes a clamping plate (301) movably disposed above the support plate (303).

6. The straight seam welded pipe weld grinding device according to claim 5, characterized in that: The clamping assembly (3) also includes a handle (302) fixedly connected to the clamping plate (301).

7. The straight seam welded pipe weld grinding device according to claim 5, characterized in that: The clamping assembly (3) further includes a hollow column (304) and a sliding column (305). The hollow column (304) is fixed to the support plate (303), and the sliding column (305) is fixed to the clamping plate (301) and slides through the inner wall of the hollow column (304).

8. The straight seam welded pipe weld grinding device according to claim 7, characterized in that, The clamping assembly (3) further includes a baffle (306) and a spring (307). The baffle (306) is fixedly connected to the bottom of the sliding column (305), and the spring (307) is disposed between the baffle (306) and the bottom of the hollow column (304).

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