Welding mark polishing device

By designing a weld mark grinding device, the automatic rotation of the steel pipe is achieved using drive and positioning components, which solves the problem of low weld mark grinding efficiency and improves grinding efficiency and safety.

CN223604044UActive Publication Date: 2025-11-28HUADEXING PRECISION MANUFACTURING (TIANJIN) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423288967.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-28
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In existing technologies, grinding the weld marks on welded steel pipes is inefficient and labor-intensive, and the steel pipe cannot rotate on its own, resulting in insufficient grinding.

Method used

A weld mark grinding device was designed, including a fixed base, a drive assembly, and a positioning assembly. The drive assembly drives the steel pipe to rotate and uses a grinding disc to grind the weld marks. The positioning assembly is used to stabilize the steel pipe and avoid manual handling.

Benefits of technology

It improves the efficiency and safety of weld grinding, reduces the labor intensity of manual operation, and ensures that welds are thoroughly ground.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223604044U_ABST
    Figure CN223604044U_ABST
Patent Text Reader

Abstract

The utility model discloses a weld mark polishing device, and relates to the technical field of weld mark polishing. The polishing device comprises a fixing base, the top end of the fixing base is connected with a third driving source, the power output end of the third driving source is in power connection with a polishing disc, the surface of the fixing base is connected with a workbench, the workbench is provided with a driving assembly and a positioning assembly, and the top end of the workbench is connected with a first fixing block. A second fixing block is hinged to the top end of the first fixing block. A steel pipe is conveniently limited through the first fixing block and the second fixing block, the auxiliary gear is driven by the first driving source to horizontally move under the clamping and supporting effects of the limiting disc, the clamping groove and the clamping block are conveniently clamped and positioned, the auxiliary gear and the limiting ring are conveniently connected, and the clamping effect of the steel pipe is improved. And a second driving source conveniently drives a main gear and an auxiliary gear to rotate in a transmission mode, a limiting ring, a silica gel pad and the steel pipe are conveniently driven to rotate, and welding marks on the surface of the rotating steel pipe are conveniently polished through a polishing disc.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of welding mark polishing, specifically, and particularly relates to a welding mark polishing device. BACKGROUND

[0002] Welded steel pipes are widely used in modernization construction, and the lengths required in different working environments are different, so the length of the steel pipe needs to be adjusted by welding to reach the use length, in order to ensure the surface quality of the steel pipe, after welding two sections of steel pipes, the welding marks at the joint need to be polished and cleaned to avoid protrusions or burrs at the welding position.

[0003] Among them, the patent CN202420037325.6 discloses a welded pipe surface polishing device, which comprises a mounting plate, the upper surface of the mounting plate is fixedly connected with two vertical plates, the side face of the two vertical plates close to each other is fixedly embedded with two pressure bearings, the inner ring of each group of pressure bearings is fixedly connected with a rotating rod, the right side face of one of the two vertical plates is fixedly embedded with a sealing bearing, the inner ring of the sealing bearing is fixedly connected with a T-shaped connecting rod, the right end of the T-shaped connecting rod is fixedly connected with two electric hydraulic rods, the ends of the two electric hydraulic rods away from each other are fixedly connected with protective blocks, the left side face of one of the two vertical plates is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with the left end of the T-shaped connecting rod, the upper surface of the mounting plate is fixedly connected with a toothed plate, and a sliding groove is formed in the back of the mounting plate.

[0004] For the welding marks on the outer surface of the steel pipe, the staff usually fixes the steel pipe and holds the polishing tool to polish the welding marks of the steel pipe, but since the welding marks generally exist around the surface of the steel pipe, the operator needs to manually adjust the position of the polishing tool along the welding marks to polish the welding marks of the steel pipe comprehensively, but long-time holding of the polishing tool is not only laborious, and the steel pipe cannot rotate by itself during polishing, which reduces the polishing efficiency of the welding marks on the surface of the steel pipe.

[0005] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENTS

[0006] In view of the problems in the related art, the utility model provides a welding mark polishing device to overcome the above technical problems existing in the prior art.

[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0008] The utility model discloses a welding mark polishing device, which comprises a fixing seat, the top end of the fixing seat is connected with a third driving source, the power output end of the third driving source is connected with a polishing disc.

[0009] The surface of the fixed seat is connected with a workbench, the workbench is respectively provided with a driving assembly and a positioning assembly, the top end of the workbench is connected with a first fixed block, the top end of the first fixed block is hingedly connected with a second fixed block, the inner side of the first fixed block and the second fixed block is clampedly connected with a clamping pin, and the side of the first fixed block and the side of the second fixed block are both connected with a second positioning block.

[0010] The surface of the positioning assembly is connected with the surfaces of the first fixed block and the second fixed block, so as to clamp and limit the steel pipe.

[0011] The surface of the driving assembly is connected with the inner side of the fixed seat, so as to drive the steel pipe to rotate.

[0012] Further, the driving assembly comprises a first driving source, a main gear, a secondary gear, a fixed rod and a connecting ring, the first driving source is arranged on the inner wall of one side of the workbench, the power output end of the first driving source is power-connected with a second driving source, the main gear is arranged on the power output end of the second driving source, the secondary gear is meshedly connected with the main gear, two clamping grooves are formed in the inner side of the secondary gear, the fixed rod is arranged on one side of the main gear, one end of the fixed rod is connected with a limiting disc, and the connecting ring is arranged at the top end of the workbench.

[0013] Further, the inner side of the secondary gear is provided with a through groove matched with the connecting ring.

[0014] Further, the inner side of the limiting disc is slidably clamped with the inner side of the secondary gear.

[0015] Further, the positioning assembly comprises two clamping rings, two silica gel pads, two extension rings and a first positioning block, the two clamping rings are slidably arranged on the inner sides of the first fixed block and the second fixed block respectively, the surfaces of the two clamping rings are both connected with limiting rings, the two silica gel pads are arranged on the inner sides of the two limiting rings respectively, the two extension rings are arranged on the sides of the two limiting rings respectively, the surfaces of the two extension rings are both connected with clamping blocks, the surface of one of the limiting rings is connected with a first positioning block, and the first positioning block corresponds to the second positioning block located above.

[0016] Further, the surfaces of the two extension rings are both slidably attached to the inner side of the secondary gear.

[0017] Further, the two clamping blocks are clampedly connected with the two clamping grooves respectively.

[0018] The utility model has the following beneficial effects:

[0019] 1. The utility model discloses a first fixed block and second fixed block are convenient for the limiting of steel pipe, through the translation of the clamping support effect of the limiting disc of first drive source drive auxiliary gear, convenient for making the clamping groove and the clamping block are clamped together positioning, convenient for connecting auxiliary gear and limiting ring, through the second drive source convenient for driving main gear and auxiliary gear transmission rotation, convenient for driving limiting ring and silica gel pad and steel pipe rotation, convenient for polishing the welding mark on the surface of rotating steel pipe through the polishing disc,

[0020] 2. The utility model discloses through two silica gel pads, improve the friction of limiting ring to the clamping of steel pipe, improve the stability of the limiting of steel pipe, and through the first positioning block and the second positioning block above corresponding can be limiting ring, silica gel pad etc. position reset to initial position, convenient for making the clamping groove and the clamping block are separated, need not manual steel pipe, improve the security of polishing.

[0021] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawings described simply introduce, obviously, the following description in the drawings only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0023] Figure 1 It is the structural schematic diagram of the utility model;

[0024] Figure 2 It is the A place enlarged structural schematic diagram of the utility model; Figure 1

[0025] Figure 3 It is the plane structural schematic diagram of the utility model front;

[0026] Figure 4 It is the section structural schematic diagram of the utility model;

[0027] Figure 5 It is the B place enlarged structural schematic diagram of the utility model; Figure 4

[0028] Figure 6 It is the local structural schematic diagram of the utility model;

[0029] Figure 7 It is the dispersion structural schematic diagram of the utility model local.

[0030] In the drawings, the component list represented by each sign is as follows:

[0031] ​​1, fixed seat; 2, drive assembly; 21, first drive source; 22, second drive source; 23, main gear; 24, auxiliary gear; 25, clamping groove; 26, fixed rod; 27, limit disc; 28, connecting ring; 3, positioning assembly; 31, clamping ring; 32, limit ring; 33, silica gel pad; 34, extension ring; 35, clamping block; 36, first positioning block; 4, third drive source; 5, polishing disc; 6, workbench; 7, first fixed block; 8, second fixed block; 9, clamping pin; 10, second positioning block. DETAILED DESCRIPTION

[0032] The technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model protection.

[0033] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model.

[0034] Please refer to Figures 1-7 The utility model discloses a welding mark polishing device, including fixed seat 1, the top of fixed seat 1 is connected with third drive source 4, the power output end of third drive source 4 is connected with polishing disc 5:

[0035] The surface of fixed seat 1 is connected with workbench 6, drive assembly 2 and positioning assembly 3 are respectively arranged on workbench 6, the top of workbench 6 is connected with first fixed block 7, the top of first fixed block 7 is hinged with second fixed block 8, the inner side of first fixed block 7 and second fixed block 8 is clamped and connected with clamping pin 9, one side of first fixed block 7 and one side of second fixed block 8 are both connected with second positioning block 10;

[0036] The surface of positioning assembly 3 is connected with the surface of first fixed block 7 and second fixed block 8, to clamp and limit the steel pipe;

[0037] The surface of drive assembly 2 is connected with the inner side of fixed seat 1, to drive the rotation of the steel pipe.

[0038] First, the card pin 9 is removed from the first fixed block 7 and the second fixed block 8, pay attention to this time drive assembly 2 and positioning assembly 3 is separated state, then turn the second fixed block 8 upwards and clamp the steel pipe on the positioning assembly 3 arranged on the first fixed block 7, then close the second fixed block 8, at this time through the positioning assembly 3 on the second fixed block 8 to the steel pipe further limit, so as to clamp and fix the steel pipe, then the second positioning block 10 is clamped into the first fixed block 7 and the second fixed block 8 to prevent the steel pipe from falling off, after the steel pipe is fixed, drive assembly 2 drives positioning assembly 3 and steel pipe rotation, when the steel pipe rotates, start the third drive source 4 to drive the polishing disc 5 to rotate and polish the weld mark on the surface of the steel pipe, the operation is simple, it needs to be noted that if you want to adjust the position of the polishing disc 5, you can set the drive source, for example, the electric hydraulic cylinder drives the polishing disc 5 to move up and down so as to be in contact with the steel pipe, which will not be described here.

[0039] The first fixed block 7 and the second fixed block 8 are used to limit the steel pipe, the drive assembly 2 is used to drive the positioning assembly 3 and the steel pipe to rotate, and the polishing disc 5 is used to polish the weld mark on the steel pipe, so that the worker does not need to hold the steel pipe manually, and the safety of polishing is improved.

[0040] In one embodiment, for the above-mentioned drive assembly 2, the drive assembly 2 comprises a first drive source 21, a main gear 23, a secondary gear 24, a fixed rod 26 and a connecting ring 28, the first drive source 21 is arranged on the inner wall of one side of the workbench 6, the power output end of the first drive source 21 is connected with a second drive source 22, the main gear 23 is arranged on the power output end of the second drive source 22, the secondary gear 24 is connected with the main gear 23, two clamping grooves 25 are arranged on the inner side of the secondary gear 24, the fixed rod 26 is arranged on one side of the main gear 23, one end of the fixed rod 26 is connected with a limiting disc 27, and the connecting ring 28 is arranged at the top end of the workbench 6.

[0041] First, the card pin 9 is removed from the first fixed block 7 and the second fixed block 8, pay attention to the first drive source 21 at this time drives the sub gear 24 to translate and slide with the connecting ring 28, so the positioning assembly 3 and the card slot 25 are separated, then turn the second fixed block 8 up and clamp the steel pipe on the positioning assembly 3 arranged on the first fixed block 7, then close the second fixed block 8, at this time the positioning assembly 3 on the second fixed block 8 further limits the steel pipe, so as to clamp and fix the steel pipe, then re-clamp the second positioning block 10 into the first fixed block 7 and the second fixed block 8 to prevent the steel pipe from falling off, after the steel pipe is fixed, drive the second drive source 22, the main gear 23, the sub gear 24 and the fixed rod 26 to translate through the first drive source 21, at this time the sub gear 24 is separated from the connecting ring 28, and the two card slots 25 on the sub gear 24 gradually engage with the two positioning assemblies 3, so as to connect the sub gear 24 with the positioning assembly 3, drive the main gear 23 to rotate through the second drive source 22, then drive the meshing connecting sub gear 24 to rotate, drive the positioning assembly 3 and the steel pipe to rotate through the rotation of the sub gear 24, start the third drive source 4 to drive the polishing disc 5 to rotate to polish the weld mark on the surface of the steel pipe, the operation is simple, it needs to be noted that if the position of the polishing disc 5 needs to be adjusted more carefully, the drive source can be set, for example, the electric hydraulic cylinder drives the polishing disc 5 to move up and down to be in close contact with the steel pipe, which will not be described here.

[0042] The first fixed block 7 and the second fixed block 8 are convenient for limiting the steel pipe, the first drive source 21 is convenient for driving the sub gear 24 to translate under the clamping connection of the limiting disc 27, so that the card slot 25 is clamped with the positioning assembly 3, the second drive source 22 is convenient for driving the main gear 23 and the sub gear 24 to rotate, it is convenient to drive the positioning assembly 3 and the steel pipe to rotate, it is convenient to polish the weld mark of the steel pipe by rotating the polishing disc 5, without manually holding the steel pipe, which improves the safety of polishing.

[0043] In one embodiment, for the above-mentioned sub gear 24, a through groove matched with the connecting ring 28 is arranged on the inner side of the sub gear 24, so as to conveniently support and limit the sub gear 24 through the limiting disc 27, and facilitate the translation of the sub gear 24 cooperating with the translation of the main gear 23.

[0044] In one embodiment, for the above-mentioned limiting disc 27, the inner side of the limiting disc 27 is in sliding clamping with the inner side of the sub gear 24, so as to conveniently support the sub gear 24, so that the sub gear 24 can be clamped with the connecting ring 28 when translating, and the sub gear 24 is separated from the connecting ring 28 when being opposite to the positioning assembly 3, without affecting the rotation of the sub gear 24.

[0045] In one embodiment, for the positioning assembly 3 described above, the positioning assembly 3 comprises two clamping rings 31, two silica gel pads 33, two extension rings 34 and a first positioning block 36, the two clamping rings 31 are respectively slidably arranged on the inner side of the first fixed block 7 and the inner side of the second fixed block 8, the surfaces of the two clamping rings 31 are connected with limiting rings 32, the two silica gel pads 33 are respectively arranged on the inner side of the two limiting rings 32, the two extension rings 34 are respectively arranged on one side of the two limiting rings 32, the surfaces of the two extension rings 34 are connected with clamping blocks 35, and the surface of one of the limiting rings 32 is connected with the first positioning block 36, which corresponds to the second positioning block 10 above, so as to facilitate clamping and limiting the steel pipe.

[0046] In one embodiment, for the extension ring 34 described above, the surfaces of the two extension rings 34 are slidably attached to the inner side of the pinion 24, so as to facilitate the rotation of the extension ring 34 and the extension ring 34 together when the pinion 24 rotates.

[0047] In one embodiment, for the clamping block 35 described above, the two clamping blocks 35 are respectively connected with the two clamping grooves 25, so as to improve the stability of the rotation of the pinion 24 by attaching the extension ring 34 to the pinion 24.

[0048] With the technical scheme of the utility model, first, the pin 9 is detached from the first fixed block 7 and the second fixed block 8, and the first driving source 21 drives the secondary gear 24 to translate and slide with the connecting ring 28, so the clamping block 35 and the clamping groove 25 are separated, then the second fixed block 8 is turned upward to clamp the steel pipe on the limiting ring 32 and the silica gel pad 33 provided on the first fixed block 7, the silica gel pad 33 improves the stability of the steel pipe, then the second fixed block 8 is closed, the limiting ring 32 and the silica gel pad 33 on the second fixed block 8 further limit the steel pipe, so the steel pipe is clamped and fixed, then the second positioning block 10 is clamped into the first fixed block 7 and the second fixed block 8 to prevent the steel pipe from falling off, after the steel pipe is fixed, the first driving source 21 drives the second driving source 22, the main gear 23, the secondary gear 24 and the fixed rod 26 to translate, the secondary gear 24 is separated from the connecting ring 28, and the two clamping grooves 25 on the secondary gear 24 gradually clamp the two clamping blocks 35, so the secondary gear 24 is connected with the extension ring 34, the second driving source 22 drives the main gear 23 to rotate, and then drives the meshed secondary gear 24 to rotate, the extension ring 34, the limiting ring 32, the silica gel pad 33 and the steel pipe are driven to rotate by the rotation of the secondary gear 24, when the steel pipe rotates, the third driving source 4 drives the polishing disc 5 to rotate to polish the welding marks on the surface of the steel pipe, the operation is simple, and it is necessary to note that if the position of the polishing disc 5 needs to be adjusted more carefully, the driving source can be set, for example, the electric hydraulic cylinder drives the polishing disc 5 to move up and down to be in close contact with the steel pipe, and the above is not described in detail.

[0049] Through the above technical scheme, 1, the first fixed block 7 and the second fixed block 8 are used to limit the steel pipe, the first driving source 21 drives the secondary gear 24 to translate under the clamping and supporting of the limiting disc 27, so that the clamping groove 25 is clamped and positioned with the clamping block 35, the secondary gear 24 is connected with the limiting ring 32, the second driving source 22 drives the main gear 23 and the secondary gear 24 to rotate, drives the limiting ring 32, the silica gel pad 33 and the steel pipe to rotate, and the welding marks on the surface of the rotating steel pipe are polished by the polishing disc 5; 2, the two silica gel pads 33 improve the friction force of the limiting ring 32 clamping and limiting the steel pipe, improve the stability of limiting the steel pipe, and the first positioning block 36 and the second positioning block 10 above are corresponded to reset the position of the limiting ring 32, the silica gel pad 33 and the like to the initial position, so that the clamping groove 25 is separated from the clamping block 35, and the safety of polishing is improved without manually holding the steel pipe.

[0050] In the description of the application, references to "one embodiment", "an example", "certain examples" etc. mean that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. The appearances of the phrases "in one embodiment", "an example" or "certain examples" in various places in the specification are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0051] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all of the details of the application, nor limit the application to the specific embodiments described. Obviously, many modifications and variations of the application can be made in light of the teachings above. The embodiments are chosen and described in order to best explain the principles of the application and its practical application, to thereby enable others skilled in the art to best utilize the application. The application is merely exemplary and limited by the scope of the appended claims as well as the equivalents thereof.

Claims

1. A welding mark polishing device, comprising a fixed seat (1), the top end of the fixed seat (1) is connected with a third driving source (4), the power output end of the third driving source (4) is connected with a polishing disc (5), characterized in that: the surface of the fixed seat (1) is connected with a workbench (6), the workbench (6) is respectively provided with a driving assembly (2) and a positioning assembly (3), the top end of the workbench (6) is connected with a first fixed block (7), the top end of the first fixed block (7) is hinged with a second fixed block (8), the inner side of the first fixed block (7) and the second fixed block (8) is clamped and connected with a clamping pin (9), one side of the first fixed block (7) and one side of the second fixed block (8) are both connected with a second positioning block (10); the surface of the positioning assembly (3) is connected with the surface of the first fixed block (7) and the second fixed block (8) for clamping and limiting the steel pipe; the surface of the driving assembly (2) is connected with the inner side of the fixed seat (1) for driving the steel pipe to rotate.

2. A weld mark grinding device according to claim 1, wherein the driving assembly (2) comprises a first driving source (21), a main gear (23), a secondary gear (24), a fixed rod (26) and a connecting ring (28), the first driving source (21) is arranged on the inner wall of one side of the workbench (6), the power output end of the first driving source (21) is connected with a second driving source (22), the main gear (23) is arranged on the power output end of the second driving source (22), the secondary gear (24) is meshed and connected with the main gear (23), two clamping grooves (25) are arranged on the inner side of the secondary gear (24), the fixed rod (26) is arranged on one side of the main gear (23), one end of the fixed rod (26) is connected with a limiting disc (27), and the connecting ring (28) is arranged on the top end of the workbench (6).

3. A weld mark grinding device according to claim 2, wherein The inner side of the secondary gear (24) is provided with a through groove matched with the connecting ring (28).

4. A weld mark grinding device according to claim 2, wherein The inner side of the limiting disc (27) is slidingly clamped with the inner side of the secondary gear (24).

5. A weld mark grinding device according to claim 2, wherein The positioning assembly (3) comprises two clamping rings (31), two silica gel pads (33), two extension rings (34) and a first positioning block (36), two clamping rings (31) are slidingly arranged on the inner side of the first fixed block (7) and the inner side of the second fixed block (8) respectively, the surface of two clamping rings (31) is connected with a limiting ring (32), two silica gel pads (33) are arranged on the inner side of two limiting rings (32) respectively, two extension rings (34) are arranged on one side of two limiting rings (32) respectively, the surface of two extension rings (34) is connected with a clamping block (35), and the surface of one of the limiting rings (32) is connected with a first positioning block (36), the first positioning block (36) corresponds to the second positioning block (10) above.

6. A weld mark grinding device according to claim 5, wherein The surface of two extension rings (34) is slidingly and tightly matched with the inner side of the secondary gear (24).

7. A weld mark grinding device as defined in claim 5, wherein Two clamping blocks (35) are clamped and connected with two clamping grooves (25) respectively.

Citation Information

Patent Citations

  • Welded pipe surface polishing device

    CN221735673U