Grinding device for outer surface of hot-rolled steel pipe

Abstract

The invention relates to the technical field of pipe machining devices, in particular to a hot-rolled steel pipe outer surface grinding device which comprises a base and a grinding piece and further comprises a clamping adjusting assembly, and the clamping adjusting assembly comprises a first sliding supporting rod, a second sliding supporting rod, a fixed three-jaw clamp, a movable three-jaw clamp, a mounting bearing, a rotating motor and a movable adjusting component. The first sliding supporting rod is installed at one end of the base in a sliding mode through a movable adjusting component, the second sliding supporting rod is installed at the other end of the base in a sliding mode through a movable adjusting component, the fixed three-jaw clamp is rotationally connected with the first sliding supporting rod through an installation bearing, and the movable three-jaw clamp is installed at the upper end of the second sliding supporting rod through a rotating motor. The movable adjusting component is installed on the base and drives the first sliding supporting rod and the second sliding supporting rod to move, adjustment can be conducted according to the length of the steel pipe, the steel pipe can be rotated to conduct all-dimensional grinding on the outer surface of the steel pipe, and the machining speed and the uniformity are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipe processing device, and particularly relates to a hot-rolled steel pipe outer surface grinding processing device. BACKGROUND

[0002] The hot-rolled steel pipe is a kind of steel pipe rolled above the recrystallization temperature, and in the production and processing of the hot-rolled steel pipe, the outer surface grinding processing is a key quality guarantee link connecting the hot-rolled crude and deep processing, and the outer surface of the hot-rolled steel pipe inevitably has defects that cannot be eliminated by the hot-rolling process and need to be corrected by grinding.

[0003] The prior art CN221232183U discloses a steel pipe outer surface grinding device, which places one end of the steel pipe in the clamping frame on one side, then moves the clamping frame on the other side to the position of the other end according to the position of the other end of the steel pipe at this time, clamps the other end, so that the device can clamp the two ends of the non-straight pipe or the tapered pipe according to the different levels of the two ends, improve the clamping stability of the device when polishing these different shaped steel pipes, and further improve the polishing accuracy of the device.

[0004] However, in the above-mentioned technology, the distance between the two clamping frames is fixed and cannot be adjusted according to the length of the steel pipe, and the steel pipe cannot be rotated for omnidirectional grinding of the outer surface during the grinding process, which leads to complex adjustment of the grinding range and affects the processing speed and the uniformity of the outer surface grinding. SUMMARY

[0005] The present application aims to provide a hot-rolled steel pipe outer surface grinding processing device, which solves the problem that the prior art cannot adjust according to the length of the steel pipe, and cannot rotate the steel pipe for omnidirectional grinding of the outer surface during the grinding process, leading to complex adjustment of the grinding range and affecting the processing speed and the uniformity of the outer surface grinding.

[0006] To achieve the above-mentioned purpose, the present application provides a hot-rolled steel pipe outer surface grinding processing device, which comprises a base and a grinding part, and the top side of the base is provided with a grinding sliding groove, and the grinding sliding groove is slidably installed with the grinding part,

[0007] Further comprising a clamping adjusting assembly;

[0008] The clamping adjusting assembly comprises a sliding support rod one, a sliding support rod two, a fixed three-jaw clamp, a moving three-jaw clamp, a mounting bearing, a rotating motor and a moving adjusting component, one end of the sliding support rod one is slidably mounted on the base through the moving adjusting component, the other end of the sliding support rod two is slidably mounted on the base through the moving adjusting component, the fixed three-jaw clamp is rotatably connected with the sliding support rod one through the mounting bearing and is located at the upper end of the sliding support rod one, the moving three-jaw clamp is mounted at the upper end of the sliding support rod two through the rotating motor, and the moving adjusting component is mounted on the base and drives the sliding support rod one and the sliding support rod two to move.

[0009] The moving adjusting component comprises a fixed clamp adjusting screw, a fixed limiting rod and a moving clamp adjusting part, the fixed clamp adjusting screw penetrates one side of the lower end of the sliding support rod one and is rotatably mounted at one end of the base, the fixed limiting rod is fixedly mounted in the base and penetrates the other side of the lower end of the sliding support rod one, and the moving clamp adjusting part is connected with the sliding support rod two and drives the sliding support rod two to move.

[0010] The base comprises a fixed adjusting groove and a fixed limiting groove, the fixed adjusting groove is arranged at one end of the base where the sliding support rod one is mounted and cooperates with the fixed clamp adjusting screw, and the fixed limiting groove is arranged at one side of the base close to the fixed adjusting groove and cooperates with the fixed limiting rod.

[0011] The moving clamp adjusting part comprises an electric screw, a moving limiting rod, a moving mounting bracket and a moving groove body, the electric screw is rotatably mounted in the base and penetrates one end of the moving mounting bracket and is threadedly connected, the moving limiting rod is fixedly mounted in the base and penetrates the other end of the moving mounting bracket, the moving mounting bracket is slidably mounted in the base, and the moving groove body is fixedly mounted on the moving mounting bracket.

[0012] The base further comprises a moving adjusting groove and a moving limiting groove, the moving adjusting groove is arranged at one side of the base close to the grinding sliding groove and cooperates with the electric screw, and the moving limiting groove is arranged on the base and cooperates with the moving limiting rod.

[0013] The moving mounting bracket comprises a mounting plate, a threaded hole sliding block and a limiting sliding block, the bottom of the mounting plate is fixed with the threaded hole sliding block and the limiting sliding block at two ends respectively, the top of the mounting plate is fixedly connected with the moving groove body, the threaded hole sliding block is threadedly sleeved on the electric screw and located in the moving adjusting groove, and the limiting sliding block is slidably sleeved on the moving limiting rod and located in the moving limiting groove.

[0014] The moving groove body is provided with a moving sliding groove which is arranged on the moving groove body and cooperates with the lower end of the second sliding support rod.

[0015] The moving groove body further comprises a guide rod which is fixedly installed in the moving sliding groove and penetrates the second sliding support rod.

[0016] The hot-rolled steel pipe outer surface grinding device of the present application firstly adjusts the interval with the fixed three-jaw clamp by driving the movement of the moving three-jaw clamp through the moving adjusting member according to the length of the hot-rolled steel pipe to be processed, then places one end of the hot-rolled steel pipe on the moving three-jaw clamp for fixation after passing through the fixed three-jaw clamp, fixes the other end of the hot-rolled steel pipe through the fixed three-jaw clamp, realizes the fixation and clamping of the hot-rolled steel pipe, drives the movement of the first sliding support rod through the moving adjusting member, the second sliding support rod moves synchronously, and the hot-rolled steel pipe to be processed approaches the grinding piece, the outer surface of the hot-rolled steel pipe is ground through the grinding piece, the moving three-jaw clamp is driven to rotate by the rotating motor at the same time, the other end of the hot-rolled steel pipe is driven to rotate through the cooperation of the fixed three-jaw clamp and the mounting bearing, and the clamping adjusting assembly is realized to adjust according to the length of the steel pipe, the outer surface of the steel pipe can be rotated and ground in all directions, the processing speed and uniformity are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is a structural schematic view of the hot-rolled steel pipe outer surface grinding device of the first embodiment of the present application.

[0019] Figure 2 is a connection structure schematic view of the hot-rolled steel pipe outer surface grinding device of the first embodiment of the present application.

[0020] Figure 3 is a top view of the hot-rolled steel pipe outer surface grinding device of the first embodiment of the present application.

[0021] Figure 4 is a side view connection schematic view of the hot-rolled steel pipe outer surface grinding device of the second embodiment of the present application.

[0022] In the figure: 101-base, 102-grinding piece, 103-grinding sliding groove, 104-sliding support rod one, 105-sliding support rod two, 106-fixed three-jaw clamp, 107-moving three-jaw clamp, 108-installed bearing, 109-rotary motor, 110-fixed clamp adjusting screw, 111-fixed limiting rod, 112-fixed adjusting groove, 113-fixed limiting groove, 114-electric screw, 115-moving limiting rod, 116-moving mounting frame, 117-moving groove body, 118-moving adjusting groove, 119-moving limiting groove, 120-moving sliding groove, 121-guide rod, 201-mounting plate, 202-screw hole sliding block, 203-limiting sliding block. DETAILED DESCRIPTION

[0023] Embodiments of the present application are described below in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0024] The first embodiment of the present application is as follows:

[0025] Please refer to Figures 1 to 3 , wherein Figure 1 is a structural schematic diagram of the hot-rolled steel pipe outer surface grinding processing device of the first embodiment of the present application, Figure 2 is a connection structural schematic diagram of the hot-rolled steel pipe outer surface grinding processing device of the first embodiment of the present application, Figure 3 is a top view of the hot-rolled steel pipe outer surface grinding processing device of the first embodiment of the present application.

[0026] The present application provides a hot-rolled steel pipe outer surface grinding processing device, comprising a base 101, a grinding piece 102 and a clamping adjusting assembly, the clamping adjusting assembly comprising a sliding support rod one 104, a sliding support rod two 105, a fixed three-jaw clamp 106, a moving three-jaw clamp 107, an installed bearing 108, a rotary motor 109 and a moving adjusting member, the moving adjusting member comprising a fixed clamp adjusting screw 110, a fixed limiting rod 111 and a moving clamp adjusting part, the base 101 comprising a fixed adjusting groove 112 and a fixed limiting groove 113, the moving clamp adjusting part comprising an electric screw 114, a moving limiting rod 115, a moving mounting frame 116 and a moving groove body 117, the base 101 further comprising a moving adjusting groove 118 and a moving limiting groove 119, the moving groove body 117 having a moving sliding groove 120, the moving groove body 117 further comprising a guide rod 121.

[0027] In this embodiment, the top side of the base 101 is provided with a grinding sliding groove 103, and the grinding part 102 is slidingly installed in the grinding sliding groove 103. The bottom four corners of the base 101 are provided with supporting feet. The top rear end of the base 101 is provided with the top-opened grinding sliding groove 103, and a driving screw is installed in the grinding sliding groove 103. The grinding part 102 is slidingly installed in the grinding sliding groove 103 through the driving screw. The rotation of the driving screw is controlled by a system controller. The driving screw drives the grinding part 102 to move horizontally along the grinding sliding groove 103 on the base 101. The clamping and adjusting assembly cooperates with the clamping of the hot-rolled steel pipe and the uniform rotation, so that the full-range grinding of the outer surface of the hot-rolled steel pipe is realized.

[0028] The sliding support rod one 104 is slidably installed on one end of the base 101 through the movement adjusting member, the sliding support rod two 105 is slidably installed on the other end of the base 101 through the movement adjusting member, the fixed three-jaw clamp 106 is rotatably connected with the sliding support rod one 104 through the mounting bearing 108 and is located at the upper end of the sliding support rod one 104, the movement three-jaw clamp 107 is installed at the upper end of the sliding support rod two 105 through the rotating motor 109, the movement adjusting member is installed on the base 101 and drives the sliding support rod one 104 and the sliding support rod two 105 to move. The upper end of the sliding support rod one 104 is provided with a groove which cooperates with the arc of the mounting bearing 108, the fixed three-jaw clamp 106 is installed in the inner ring of the mounting bearing 108 and is rotatably installed through the mounting bearing 108, the sliding support rod two 105 is slidably installed through the movement adjusting member, the distance between the sliding support rod one 104 and the sliding support rod two 105 can be adjusted and the sliding support rod one 104 and the sliding support rod two 105 can move in the same direction, the upper end of the sliding support rod one 104 is provided with a mounting groove which cooperates with the rotating motor 109, the rotating output end of the rotating motor 109 faces the sliding support rod one 104 and the movement three-jaw clamp 107 is coaxially fixedly installed, the movement three-jaw clamp 107 is rotatably driven through the rotating motor 109; therefore, first, according to the length of the hot-rolled steel pipe to be processed, the movement of the movement three-jaw clamp 107 is driven through the movement adjusting member, the distance between the fixed three-jaw clamp 106 and the movement three-jaw clamp 107 is adjusted, then one end of the hot-rolled steel pipe is passed through the fixed three-jaw clamp 106 and is placed on the movement three-jaw clamp 107 for fixation, the other end of the hot-rolled steel pipe is fixed through the fixed three-jaw clamp 106, the hot-rolled steel pipe is fixedly clamped, the sliding support rod one 104 is moved through the movement adjusting member, the sliding support rod two 105 is synchronously moved, the hot-rolled steel pipe to be processed is close to the grinding piece 102, the outer surface of the hot-rolled steel pipe is ground through the grinding piece 102, at the same time, the movement three-jaw clamp 107 is rotatably driven through the rotating motor 109, the other end of the hot-rolled steel pipe is rotatably driven through the fixed three-jaw clamp 106 and the mounting bearing 108, so that the length of the steel pipe can be adjusted according to the clamping adjusting assembly and the outer surface of the steel pipe can be omni-directionally ground, the processing speed and uniformity are improved.

[0029] Secondly, the fixed clamp adjusting screw 110 penetrates one side of the lower end of the sliding support rod one 104 and is rotatably installed at one end of the base 101; the fixed limiting rod 111 is fixedly installed in the base 101 and penetrates the other side of the lower end of the sliding support rod one 104; the moving clamp adjusting component is connected with the sliding support rod two 105 and drives the sliding support rod two 105 to move; the fixed adjusting groove 112 is arranged at one end of the base 101 where the sliding support rod one 104 is installed and cooperates with the fixed clamp adjusting screw 110; the fixed limiting groove 113 is arranged at one side of the base 101 close to the fixed adjusting groove 112 and cooperates with the fixed limiting rod 111. The lower end of the sliding support rod one 104 is provided with a groove and cooperates with the interval between the fixed adjusting groove 112 and the fixed limiting groove 113; the sliding support rod one 104 cooperates with the cross section of the fixed adjusting groove 112 and is provided with a threaded hole penetrating through and cooperating with the thread of the fixed clamp adjusting screw 110; the end of the lower end of the sliding support rod one 104 extending into the fixed limiting groove 113 cooperates with the fixed limiting groove 113 and is provided with a through hole penetrating through and cooperating with the fixed limiting rod 111; the sliding support rod one 104 is horizontally moved by the fixed limiting rod 111; the fixed clamp adjusting screw 110 is rotatably installed in the fixed adjusting groove 112 by a bearing; one end of the fixed clamp adjusting screw 110 extending out of the base 101 is fixedly connected with a handle and can manually drive the fixed clamp adjusting screw 110 to rotate, thereby realizing the sliding support rod one 104 and the fixed three-jaw clamp 106; the moving clamp adjusting component is used for driving the moving three-jaw clamp 107 to move.

[0030] Meanwhile, the electric screw rod 114 is rotatably installed in the base 101 through a bearing and is screwed into one end of the moving mounting frame 116; the moving limiting rod 115 is fixedly installed in the base 101 and penetrates the other end of the moving mounting frame 116; the moving mounting frame 116 is slidably installed in the base 101; the moving slot body 117 is fixedly installed on the moving mounting frame 116; the moving adjusting slot 118 is arranged on the side of the base 101 close to the grinding slide groove 103 and cooperates with the electric screw rod 114; the moving limiting slot 119 is arranged on the base 101 and cooperates with the moving limiting rod 115. The lower end of the moving mounting frame 116 respectively extends into the moving adjusting slot 118 and the moving limiting slot 119 and respectively corresponds to the screw hole and the through hole cooperated with the electric screw rod 114 and the moving limiting rod 115. The electric screw rod 114 is driven by a motor, rotates through the electric screw rod 114 and moves the moving mounting frame 116 along the moving adjusting slot 118 and the moving limiting slot 119 under the cooperation of the moving limiting rod 115. The moving of the moving mounting frame 116 drives the moving of the moving slot body 117 fixedly connected thereto, and the moving of the sliding support rod two 105 is realized through the moving of the moving clamping adjusting component.

[0031] In addition, the moving slide groove 120 is arranged on the moving slot body 117 and cooperates with the lower end of the sliding support rod two 105. The cross section of the moving slide groove 120 cooperates with the cross section of the lower end of the moving support rod two, for slidably installing the sliding support rod two 105.

[0032] Finally, the guide rod 121 is fixedly installed in the moving slide groove 120 and penetrates the sliding support rod two 105. The guide rod 121 is fixedly installed at the middle position of the moving slide groove 120, and the sliding support rod two 105 is provided with a penetrating through hole at the corresponding position, the sliding support rod two 105 is slidably sleeved on the guide rod 121, realizing the sliding guiding and limiting of the sliding support rod two 105.

[0033] Using the hot-rolled steel pipe outer surface grinding apparatus of the present invention, firstly, according to the length of the hot-rolled steel pipe to be processed, the movable three-jaw clamp 107 is moved by the movable adjusting member to adjust the distance between it and the fixed three-jaw clamp 106. Then, one end of the hot-rolled steel pipe is passed through the fixed three-jaw clamp 106 and placed on the movable three-jaw clamp 107 for fixation. The other end of the hot-rolled steel pipe is then fixed by the fixed three-jaw clamp 106, achieving fixed clamping of the hot-rolled steel pipe. Finally, the movable adjusting member drives the movable three-jaw clamp 107 to move. Sliding support rod 104 moves, and sliding support rod 105 moves synchronously, bringing the hot-rolled steel pipe to be processed close to the grinding workpiece 102. The grinding workpiece 102 grinds the outer surface of the hot-rolled steel pipe. At the same time, the rotating motor 109 drives the moving three-jaw chuck 107 to rotate. The other end of the hot-rolled steel pipe rotates through the fixed three-jaw chuck 106 and the mounting bearing 108. This allows for adjustment according to the length of the steel pipe, and the steel pipe can be rotated to perform all-round grinding on its outer surface, improving the processing speed and uniformity.

[0034] Second embodiment of this application:

[0035] Based on Example 1, see [link / reference] Figure 4 , Figure 4 This is a side view connection diagram of the hot-rolled steel pipe outer surface grinding device according to the second embodiment of the present invention. The movable mounting frame 116 in this embodiment includes a mounting plate 201, a screw hole slider 202, and a limiting slider 203.

[0036] The mounting plate has the screw hole slider and the limiting slider fixed at its two ends at the bottom, and the top of the mounting plate is fixedly connected to the moving groove 117. The screw hole slider is threaded onto the electric screw 114 and is located in the moving adjustment groove 118. The limiting slider is slidably sleeved on the moving limiting rod 115 and is located in the moving limiting groove 119. The cross-section of the screw hole slider matches the cross-section of the movable adjustment groove 118. The screw hole slider has a threaded hole that matches the electric screw 114 for threaded connection between the movable mounting bracket 116 and the electric screw 114. The cross-section of the limiting slider matches the cross-section of the movable limiting groove 119, and the limiting slider has a through hole corresponding to the position and diameter of the movable limiting rod 115. The movable mounting bracket 116 is slidably installed through the screw hole slider and the limiting slider. The mounting plate is used to support the movable groove 117. The movable sliding groove 120 is slidably connected to the base 101 through the movable mounting bracket 116.

[0037] The above disclosed is only a preferred embodiment of the present application, of course, cannot be limited by this to limit the scope of the present application, the person skilled in the art can understand that the implementation of all or part of the above-mentioned processes, and according to the equivalent changes of the claims of the present application, still belong to the scope covered by the present application.

Claims

1. A grinding apparatus for the outer surface of hot-rolled steel pipe, comprising a base and a grinding component, wherein a grinding groove is provided on one side of the top of the base, and the grinding component is slidably mounted in the grinding groove, characterized in that... It also includes a clamping adjustment component; The clamping and adjusting assembly includes a first sliding support rod, a second sliding support rod, a fixed three-jaw clamp, a movable three-jaw clamp, a mounting bearing, a rotating motor, and a movable adjusting component. The first sliding support rod is slidably mounted on one end of the base via the movable adjusting component, and the second sliding support rod is slidably mounted on the other end of the base via the movable adjusting component. The fixed three-jaw clamp is rotatably connected to the first sliding support rod via the mounting bearing and is located at the upper end of the first sliding support rod. The movable three-jaw clamp is mounted on the upper end of the second sliding support rod via the rotating motor. The movable adjusting component is mounted on the base and drives the first and second sliding support rods to move.

2. The grinding apparatus for the outer surface of hot-rolled steel pipe as described in claim 1, characterized in that, The movable adjustment component includes a fixed clamp adjusting screw, a fixed limiting rod, and a movable clamp adjusting component. The fixed clamp adjusting screw passes through one side of the lower end of the sliding support rod and is rotatably mounted on one end of the base. The fixed limiting rod is fixedly mounted inside the base and passes through the other side of the lower end of the sliding support rod. The movable clamp adjusting component is connected to the second sliding support rod and drives the second sliding support rod to move.

3. The grinding apparatus for the outer surface of hot-rolled steel pipes as described in claim 2, characterized in that, The base includes a fixed adjustment groove and a fixed limiting groove. The fixed adjustment groove is located at one end of the base where the sliding support rod is installed and cooperates with the fixed clamp adjustment screw. The fixed limiting groove is located on the side of the base near the fixed adjustment groove and cooperates with the fixed limiting rod.

4. The grinding apparatus for the outer surface of hot-rolled steel pipe as described in claim 3, characterized in that, The movable clamp adjustment component includes an electric screw, a movable limit rod, a movable mounting bracket, and a movable groove. The electric screw is rotatably mounted in the base via a bearing and passes through one end of the movable mounting bracket and is threadedly connected. The movable limit rod is fixedly mounted in the base and passes through the other end of the movable mounting bracket. The movable mounting bracket is slidably mounted in the base. The movable groove is fixedly mounted on the movable mounting bracket.

5. The grinding apparatus for the outer surface of hot-rolled steel pipe as described in claim 4, characterized in that, The base also includes a movable adjustment groove and a movable limiting groove. The movable adjustment groove is located on the side of the base near the grinding slide and cooperates with the electric screw. The movable limiting groove is located on the base and cooperates with the movable limiting rod.

6. The grinding apparatus for the outer surface of hot-rolled steel pipe as described in claim 1, characterized in that, The movable groove has a movable slide groove, which is disposed on the movable groove and cooperates with the lower end of the sliding support rod.

7. The grinding apparatus for the outer surface of hot-rolled steel pipe as described in claim 6, characterized in that, The movable trough also includes a guide rod, which is fixedly installed inside the movable trough and passes through the second sliding support rod.

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