Automatic weld joint polishing device with high cleanliness
By designing an automatic weld grinding device with high cleanliness, utilizing a variable sleeve and pneumatic cylinder to drive the grinding wheel and welding torch, combined with a dust extraction structure, the problems of low weld grinding efficiency and dust pollution are solved, achieving highly efficient, automated, and clean weld grinding.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-10
AI Technical Summary
The existing weld grinding process is inefficient, labor-intensive, and causes serious dust pollution, which affects the environment and health.
Design an automatic weld grinding device with high cleanliness, which uses a variable sleeve to fix the workpiece, combines a pneumatic cylinder to drive the grinding wheel and welding gun, and is equipped with a dust suction structure to collect welding slag and welding chips, so as to realize automated grinding and cleaning.
It improves the automation level of weld grinding, reduces labor intensity, increases work efficiency, and maintains the cleanliness of the work area, preventing welding slag and welding chips from flying out and polluting the environment.
Smart Images

Figure CN223981597U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a welding seam polishing and cleaning technical field, specifically to a welding seam automatic polishing device with high cleanliness. BACKGROUND
[0002] Welding seam polishing is an important process after welding, which uses appropriate polishing equipment and tools to smooth and flatten the surface of the welding seam to ensure welding quality, improve appearance and facilitate corrosion-resistant spraying at the welding seam in the later stage.
[0003] In the prior art, the welding seam is polished by manually holding a grinding machine, sandpaper and brush wheels after a long cooling step, which has low polishing efficiency and requires a large amount of labor. Dust generated in the polishing process cannot be well collected and treated, causing environmental pollution and affecting human health. Therefore, a welding seam automatic polishing device with high cleanliness is needed to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims to provide a welding seam automatic polishing device with high cleanliness to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding seam automatic polishing device with high cleanliness, comprising a workbench, a polishing groove is formed in the middle of the workbench, a slag retaining plate is connected to the front and rear inner sides of the polishing groove, and support connecting seats are welded to the left and right inner sides of the polishing groove. Two groups of connecting and clamping assemblies are movably installed on the support connecting seats, and a welding seam polishing mechanism is arranged above the clamping assembly.
[0006] Preferably, the welding seam polishing mechanism comprises a grinding wheel and a welding gun, the connecting ends of the grinding wheel and the welding gun are connected to rotating members, two groups of rotating members are fixed to connecting arms at one end, the other ends of the two groups of connecting arms are connected to the bottom surfaces of limiting sliding blocks, the two groups of limiting sliding blocks are sleeved on the outer periphery of a sliding rod, and the opposite outer side walls of the two groups of connecting arms are connected to the piston ends of first air cylinders above.
[0007] Preferably, the clamping assembly comprises a second air cylinder, a connecting rod and a variable sleeve, one end of the connecting rod is connected to the piston end of the second air cylinder, an installation groove is formed at the other end of the connecting rod, the installation groove is used to clampingly install an inner layer cylinder, the inner layer cylinder is arranged in the inner cavity of the variable sleeve, a plurality of groups of movable support arc plates are arranged around the variable sleeve and the inner layer cylinder, push blocks are welded to the bottom of the outer end connecting plate of the movable support arc plates, one end of the plurality of groups of push blocks is commonly welded to one side of a clasp, the push blocks move in an adjusting groove, a plurality of groups of adjusting grooves are arranged in an adjusting disc, and the adjusting disc is located between the clasp and the outer end of the movable support arc plates.
[0008] Preferably, both ends of the slide rod are fixedly connected to the two inner sides of the sliding groove, the sliding groove is arranged in the middle of the cross beam, the first pneumatic cylinder is fixedly installed on the lower surface of the cross beam, the lower surfaces of the two ends of the cross beam are respectively connected with electric telescopic rods, and the two groups of electric telescopic rods are fixedly installed on the upper surface of the workbench.
[0009] Preferably, a dust suction structure is arranged directly below the two groups of clamping assemblies, the dust suction structure comprises a dust extractor and a suction nozzle, the dust extractor is fixedly installed at the bottom end of a supporting plate, the acting end of the dust extractor penetrates through the supporting plate and communicates with the suction nozzle, an arc-shaped filter plate is arranged directly above the suction nozzle, and the two ends of the arc-shaped filter plate are connected with the inner side walls of the slag blocking plates.
[0010] Preferably, a collecting box is arranged below the dust suction structure, the collecting box is movably arranged on the upper surface of a partition plate, the four corners of the partition plate are welded with four groups of supporting legs, and the top ends of the four groups of supporting legs are fixedly connected to the four corners of the surface of the workbench.
[0011] Compared with the prior art, the welding and grinding device has the following beneficial effects:
[0012] 1. The variable sleeve can adapt to the fixation of workpieces of different sizes, better fit the welding workpiece, and through the starting of the second pneumatic cylinder, the part of the workpiece to be welded is tightly fitted, then a group of first pneumatic cylinders are started to adjust the welding gun to the best position, and welding is performed by using the welding gun, and another group of first pneumatic cylinders are started to make the grinding wheel behind the welding gun to polish, so that the degree of automation is high, the labor intensity is reduced, the manpower and material resources are saved, and the overall work efficiency is improved.
[0013] 2. The slag and welding scraps generated in the welding and polishing process can be fully absorbed into the collecting box by the suction nozzle under the blockage of the slag blocking plate, the slag and welding scraps are prevented from flying out, the safety and the environment are protected, the working area is kept clean, and the cleanliness of the welding seam polishing environment is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic view of the overall structure of the utility model;
[0015] Figure 2 It is a schematic view of the local structure of the utility model;
[0016] Figure 3 It is an exploded view of the variable sleeve structure of the utility model;
[0017] Figure 4 It is an enlarged view of the structure at A of the utility model.
[0018] In the figure: 1, workbench, 2, grinding notch, 3, slag baffle, 4, electric telescopic rod, 5, crossbeam, 6, sliding groove, 7, sliding rod, 8, limit sliding block, 9, connecting arm, 10, grinding wheel, 11, welding gun, 12, rotating part, 13, first pneumatic cylinder, 14, second pneumatic cylinder, 15, support connecting seat, 16, connecting rod, 17, variable sleeve, 18, inner layer cylinder, 19, mounting groove, 20, moving support arc plate, 21, snap ring, 22, push block, 23, adjusting disc, 24, adjusting groove, 25, dust extractor, 26, suction nozzle, 27, arc filter plate, 28, support plate, 29, partition plate, 30, collection box, 31, supporting leg. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model.
[0020] Embodiment one
[0021] Please refer to Figures 1-4 The utility model provides a kind of high degree of cleanliness automatic polishing device of weld, including workbench 1, the middle part of workbench 1 is excavated and is equipped with grinding notch 2, the front and rear two inner sides of grinding notch 2 are connected with slag baffle 3, and left and right two inner sides are welded with support connecting seat 15, two groups of support connecting seat 15 are movably installed with connecting clamping assembly, the limit fixing of different sizes workpieces can be realized, better the welding part that needs to be adhered, welding polishing mechanism is equipped above clamping assembly, degree of automation is high, reduce labor intensity, save manpower and material resources, improve overall work efficiency.
[0022] Specifically, the welding seam polishing mechanism includes a grinding wheel 10 and a welding gun 11, and the connecting ends of the grinding wheel 10 and the welding gun 11 are connected with a rotating part 12, wherein the grinding wheel 10 and the welding gun 11 are connected through the cooperation between the bearing seat upper seat and the bearing seat lower seat of the rotating part 12, so that the grinding wheel 10 and the welding gun 11 can be flexibly disassembled and assembled, and different materials of the grinding wheel 10 and different working principles of the welding gun 11 can be replaced, wherein the replaceable grinding head of the grinding wheel 10 includes a steel wire wheel, a stainless steel wheel and a thousand-blade, etc., two groups of rotating parts 12 are fixed on one end of two groups of connecting arms 9, the other end of the two groups of connecting arms 9 is connected with the bottom surface of two groups of limiting sliding blocks 8, the two groups of limiting sliding blocks 8 are sleeved on the outer periphery of a sliding rod 7, the opposite outer side walls of the two groups of connecting arms 9 are connected with the piston end of a first air cylinder 13 above, the two ends of the sliding rod 7 are fixedly connected with the two inner side surfaces of a sliding groove 6, the sliding groove 6 is excavated in the middle of a cross beam 5, the first air cylinder 13 is fixedly installed on the lower surface of the cross beam 5, the lower surfaces of the two ends of the cross beam 5 are respectively connected with two groups of electric telescopic rods 4, the two groups of electric telescopic rods 4 are fixedly installed on the outer side of the upper surface of a workbench 1, one group of the electric telescopic rods 4 and the first air cylinder 13 are started to adjust the welding gun 11 to the best position and perform welding by using the welding gun 11, and the other group of the electric telescopic rods 4 is started to make the grinding wheel 10 behind the welding gun 11 polish, so that the welding seam process can be continuously and efficiently performed.
[0023] Wherein, the clamping assembly includes a second air cylinder 14, a connecting rod 16 and a variable sleeve 17, one end of the connecting rod 16 is connected with the piston end of the second air cylinder 14, and the other end is excavated with a mounting groove 19 for clamping installation with an inner cylinder 18, the inner cylinder 18 is placed in the inner cavity of the variable sleeve 17, a plurality of groups of movable support arc plates 20 are arranged between the variable sleeve 17 and the inner cylinder 18, a push block 22 is welded on the bottom of the outer end connecting plate of the movable support arc plate 20, a plurality of groups of push blocks 22 are commonly welded on one side of a clamping ring 21, the push block 22 moves in an adjusting groove 24, a plurality of groups of adjusting grooves 24 are arranged in an adjusting disc 23, the adjusting disc 23 is located between the clamping ring 21 and the outer end of the movable support arc plate 20, a dust collection structure is arranged below the two groups of clamping assemblies, the dust collection structure includes a dust extractor 25 and a suction nozzle 26, the dust extractor 25 is fixedly installed on the bottom end of a supporting plate 28, the working end of the dust extractor 25 penetrates through the supporting plate 28 and communicates with the suction nozzle 26, an arc-shaped filter plate 27 is arranged above the suction nozzle 26, the two ends of the arc-shaped filter plate 27 are connected with the inner side wall of the slag blocking plate 3, a collecting box 30 is arranged below the dust collection structure, the collecting box 30 is movably arranged on the upper surface of a partition plate 29, the four corners of the partition plate 29 are welded with four groups of supporting legs 31, the top ends of the four groups of supporting legs 31 are fixedly connected with the four corners of the surface of the workbench 1, the slag blocking plate 3 and the suction nozzle 26 are arranged, so that the welding slag and the welding dust generated in the welding and polishing process can be fully absorbed into the collecting box 30 under the blocking of the slag blocking plate 3, the welding slag and the welding dust can be prevented from flying out, the harm to people and the pollution to the environment can be avoided, and the working area can be kept clean.
[0024] Working principle: This is an automatic weld grinding device with high cleanliness. During use, the diameter of the variable sleeve 17 is adjusted according to the size of the workpiece to better fit and fix the workpiece. At this time, by activating the second pneumatic cylinder 14, the part of the workpiece to be welded can be tightly fitted. Then, a set of first pneumatic cylinders 13 is activated to adjust the welding torch 11 to the optimal position and use the welding torch 11 to perform welding. At the same time, another set of first pneumatic cylinders is activated to make the grinding wheel 10 behind the welding torch 11 perform grinding. The welding slag and welding chips generated during the welding and grinding process are fully absorbed into the collection box 30 by the suction nozzle 26 under the obstruction of the slag baffle plate 3, thereby improving the cleanliness of the weld grinding environment.
[0025] The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A high-cleanliness weld seam automatic grinding device comprising a worktable (1), characterized in that: The middle part of the workbench (1) is excavated with a polishing notch (2), the front and rear two inner sides of the polishing notch (2) are connected with slag retaining plates (3), and the left and right two inner sides are welded with support connecting seats (15), two groups of the support connecting seats (15) are movably installed with connecting clamping assemblies, and the clamping assemblies are provided with a welding seam polishing mechanism above.
2. The high cleanliness weld seam automatic polishing device according to claim 1, characterized in that: The welding seam polishing mechanism comprises a grinding wheel (10) and a welding gun (11), the connecting ends of the grinding wheel (10) and the welding gun (11) are connected with rotating members (12), two groups of the rotating members (12) are fixed on one end of a connecting arm (9), two groups of the connecting arms (9) are connected with the bottom surfaces of limiting sliding blocks (8) at the other end respectively, two groups of the limiting sliding blocks (8) are sleeved on the outer periphery of a sliding rod (7), and the opposite outer side walls of two groups of the connecting arms (9) are connected with the piston ends of first air cylinders (13) above.
3. The high cleanliness weld seam automatic polishing device according to claim 1, characterized in that: The clamping assembly comprises a second air cylinder (14), a connecting rod (16) and a variable sleeve (17), one end of the connecting rod (16) is connected with the piston end of the second air cylinder (14), the other end is excavated with a mounting groove (19) matched with an inner layer cylinder (18), the inner layer cylinder (18) is arranged in the inner cavity of the variable sleeve (17), a plurality of movable support arc plates (20) are arranged between the variable sleeve (17) and the inner layer cylinder (18), the bottom of the outer end connecting plate of the movable support arc plate (20) is welded with a push block (22), one end of a plurality of the push blocks (22) is welded on one side of a clamping ring (21), the push block (22) moves in an adjusting groove (24), a plurality of the adjusting grooves (24) are arranged in an adjusting disc (23), and the adjusting disc (23) is located between the clamping ring (21) and the outer end of the movable support arc plate (20).
4. The high cleanliness weld seam automatic polishing device according to claim 2, characterized in that: The two ends of the sliding rod (7) are fixedly connected with the two inner sides of a sliding groove (6), the sliding groove (6) is excavated in the middle part of a cross beam (5), the first air cylinder (13) is fixedly installed on the lower surface of the cross beam (5), the lower surfaces of the two ends of the cross beam (5) are respectively connected with electric telescopic rods (4), and two groups of the electric telescopic rods (4) are fixedly installed on the outer side of the upper surface of the workbench (1).
5. The high cleanliness weld seam automatic polishing device according to claim 3, characterized in that: A dust collection structure is arranged below the two groups of clamping assemblies, the dust collection structure comprises a dust extractor (25) and a suction nozzle (26), the dust extractor (25) is fixedly installed at the bottom end of a supporting plate (28), the working end of the dust extractor (25) penetrates the supporting plate (28) and communicates with the suction nozzle (26), an arc-shaped filter plate (27) is arranged above the suction nozzle (26), and the two ends of the arc-shaped filter plate (27) are connected with the inner side walls of the slag retaining plates (3).
6. The high cleanliness weld seam automatic grinding device according to claim 5, characterized in that: A collecting box (30) is arranged below the dust collection structure, the collecting box (30) is movably arranged on the upper surface of a partition plate (29), the four corners of the partition plate (29) are welded with four groups of supporting legs (31), and the top ends of the four groups of supporting legs (31) are fixedly connected with the four corners of the surface of the workbench (1).