A positioning device suitable for continuous rotary welding of electrolytic anode guide rods

Abstract

The present invention discloses a positioning device suitable for continuous rotary welding of electrolytic anode guide rods, comprising a base plate, a first limit block, a second limit block, a first clamping component, and a second clamping component; wherein the first limit block and the second limit block are arranged on the base plate, the first limit block is located above the second limit block, the first limit block includes a first slot arranged in the vertical direction, the second limit block includes a second slot arranged in the vertical direction, and the projection of the first slot in the vertical direction coincides with the second slot; the first clamping component and the second clamping component are arranged on the base plate, the first clamping component is used to press the upper part of the electrolytic anode guide rod into the first slot, and the second clamping component is used to press the lower part of the electrolytic anode guide rod into the second slot. The positioning device of the embodiment of the present invention has a simple structure and strong versatility, realizes the vertical erection of the electrolytic anode guide rod, and solves the problem that the verticality of the electrolytic anode guide rod cannot be effectively controlled during welding.

Description

Technical Field

[0001] The invention belongs to the technical field of electrolytic anode welding maintenance, and in particular relates to a positioning device suitable for continuous rotary welding of electrolytic anode guide rods. Background Art

[0002] The anode guide rod is an important consumable component in the production of prebaked electrolytic cells. It plays a dual role in transmitting current and hanging the anode carbon block group in aluminum electrolysis production. It is composed of a guide rod, an explosive welding block and a steel claw body welded in sequence.

[0003] When the electrolytic anode guide rod used in a large prebaked electrolytic cell is welded to the explosive welding block on the end face of the steel claw body crossbeam, the guide rod needs to be lifted and positioned by an overhead crane, and it is difficult to tightly compact the explosive welding block on the end face of the guide rod and the end face of the steel claw body. In addition, the guide rod and the steel claw body are relatively heavy, and it is inconvenient to move the workpiece during the welding process. The welder needs to change the welding position many times to complete the circumferential weld around the explosive welding block on the end face of the guide rod and the end face of the steel claw body. There are many problems such as a large welding pressure drop between the guide rod and the steel claw body, the verticality of the electrolytic anode guide rod cannot be effectively controlled, the guide rod is tilted after welding, and the workers frequently change workstations, which reduces welding efficiency. Summary of the Invention

[0004] In view of the above problems, the present invention provides a positioning device suitable for continuous rotary welding of electrolytic anode guide rods, which can be used for electrolytic anode welding maintenance production.

[0005] A positioning device suitable for continuous rotary welding of an electrolytic anode guide rod comprises a base plate, a first limit block, a second limit block, a first clamping component and a second clamping component; wherein, the first limit block and the second limit block are arranged on the base plate, the first limit block is located above the second limit block, the first limit block includes a first slot arranged along the vertical direction, the second limit block includes a second slot arranged along the vertical direction, and the projection of the first slot along the vertical direction coincides with the second slot; the first clamping component and the second clamping component are arranged on the base plate, the first clamping component is used to press the upper part of the electrolytic anode guide rod into the first slot, and the second clamping component is used to press the lower part of the electrolytic anode guide rod into the second slot.

[0006] Furthermore, a plurality of first positioning holes and a plurality of second positioning holes are provided on the base plate, the first limiting block is connected to the plurality of first positioning holes via a spiral pin, and the second limiting block is connected to the plurality of second positioning holes via a spiral pin.

[0007] Furthermore, the cross-sections of the first card slot and the second card slot are V-shaped.

[0008] Furthermore, the bottom plate is provided with a first sliding groove and a second sliding groove in the horizontal direction, the first clamping component and the second clamping component have the same structure, the first clamping component is located on one side of the first limiting block, and the second clamping component is located on one side of the second limiting block;

[0009] Among them, the first clamping component includes a hydraulic cylinder, a clamping block, a first slider and a second slider, the hydraulic cylinder is fixed to the base plate, the piston of the hydraulic cylinder is detachably connected to one side of the clamping block, the first slider and the second slider are detachably connected to the bottom of the clamping block, the first slider is slidably connected to the first slide groove, the second slider is slidably connected to the second slide groove, and the clamping block is provided with a third slot in the vertical direction.

[0010] Furthermore, the first sliding groove and the second sliding groove are provided with protrusions on both sides along the horizontal direction, and the first sliding block and the second sliding block are provided with grooves matching the protrusions on both sides along the horizontal direction.

[0011] Furthermore, the cross-sectional shapes of the groove and the protrusion are arc-shaped or triangular.

[0012] Furthermore, the first clamping component also includes a first stud and a second stud, and the bottom of the clamping block is detachably connected to the first slider via the first stud, and the bottom of the clamping block is detachably connected to the second slider via the second stud.

[0013] Furthermore, the cross section of the third slot is V-shaped or semi-arc-shaped.

[0014] Furthermore, the first clamping component further includes a limit switch assembly, and the limit switch assembly includes a limit plate, a bracket and a proximity switch;

[0015] The limiting plate is detachably connected to the bottom plate, the proximity switch is connected to the clamping block via the bracket, and one end of the proximity switch sensing surface is arranged opposite to the limiting plate.

[0016] Furthermore, the hydraulic cylinder is a self-locking hydraulic cylinder.

[0017] Beneficial effects of the present invention: The positioning device of the embodiment of the present invention has a simple structure and strong versatility, and can realize the vertical erection of the electrolytic anode guide rod, thereby solving the problem that the verticality of the electrolytic anode guide rod cannot be effectively controlled during welding.

[0018] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A schematic structural diagram of a positioning device suitable for continuous rotary welding of electrolytic anode guide rods according to an embodiment of the present invention is shown;

[0021] Figure 2 A schematic diagram of installing a first limiting block according to an embodiment of the present invention is shown;

[0022] Figure 3 It shows a schematic diagram of the installation of the first clamping component according to an embodiment of the present invention;

[0023] Figure 4 It shows a schematic diagram of the installation of a clamping block according to an embodiment of the present invention;

[0024] Figure 5 Shows a schematic structural diagram of an electrolytic anode guide rod continuous rotary welding device;

[0025] Figure 6 A schematic diagram of the structural installation of a positioning device for continuous rotary welding of an electrolytic anode guide rod and a continuous rotary welding device for an electrolytic anode guide rod according to an embodiment of the present invention is shown;

[0026] Figure 7 A schematic diagram of the working state of a positioning device for continuous rotary welding of an electrolytic anode guide rod according to an embodiment of the present invention is shown.

[0027] In the figure: 1. base plate; 2. first limit block; 3. second limit block; 4. first clamping component; 5. second clamping component; 11. first positioning hole; 12. second positioning hole; 13. first slide; 14. second slide; 21. first slot; 22. screw pin; 41. hydraulic cylinder; 42. clamping block; 43. first slider; 44. second slider; 45. limit plate; 46. bracket; 47. proximity switch; 48. first stud; 49. second stud; 131. protrusion; 431. groove; 421. first threaded hole; 422. second threaded hole; 432. third threaded hole; 442. fourth threaded hole; 101. support frame; 102. welding platform; 103. electrolytic anode guide rod; 104. base; 105. clamping component; 106. explosion welding block; 107. steel claw body. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0029] It should be noted that the terms "first", "second" etc. in this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the application described herein. In this application, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "center", "vertical", "horizontal", "lateral", "longitudinal" etc. are based on the directions or positional relationships shown in the accompanying drawings.

[0030] like Figure 1 As shown, an embodiment of the present invention provides a positioning device suitable for continuous rotary welding of electrolytic anode guide rods, including a base plate 1, a first limit block 2, a second limit block 3, a first clamping component 4 and a second clamping component 5.

[0031] Among them, the first limit block 2 and the second limit block 3 are arranged on the bottom plate 1, and the first limit block 2 is located above the second limit block 3. Figure 2 As shown, the first stopper 2 includes a first slot 21 disposed in the vertical direction, and the second stopper 3 includes a second slot disposed in the vertical direction, wherein the vertical projection of the first slot 21 coincides with the second slot. The first slot 21 and the second slot are used to limit the upper and lower portions of the electrolysis anode guide rod 103.

[0032] The first clamping part 4 and the second clamping part 5 are arranged on the base plate 1, and the first clamping part 4 is located on one side of the first limit block 2. The first clamping part 4 is used to press the upper part of the electrolysis anode guide rod 103 into the first slot 21; the second clamping part 5 is located on one side of the second limit block 3. The second clamping part 5 is used to press the lower part of the electrolysis anode guide rod 103 into the second slot.

[0033] In the embodiment of the present invention, the projection of the first clamping slot 21 in the vertical direction coincides with the second clamping slot. After the first clamping member 4 and the second clamping member 5 press the electrolysis anode guide rod 103 , the verticality of the electrolysis anode guide rod 103 is ensured.

[0034] Specifically, a plurality of positioning holes are set on the bottom plate 1, specifically, Figure 1As shown, the bottom plate 1 is provided with two or more first positioning holes 11 and two or more second positioning holes 12. Figure 2 As shown, the first limit block 2 is connected to the two or more first positioning holes 11 through the screw pin 22, and the second limit block 3 is connected to the two or more second positioning holes 12 through the screw pin 22. The first limit block 2 and the second limit block 3 are connected to the positioning holes on the base plate 1 through the screw pin 22 to achieve accurate installation and positioning of the first limit block 2 and the second limit block 3.

[0035] In one embodiment, the first and second grooves 21 and 21 have V-shaped cross sections. The V-shaped grooves have good centering properties. Even if there are errors in the outer diameter of the positioning base surface, the positioning reference axis of the electrolytic anode guide rod 103 can still be ensured to always be on the symmetric plane of the V-shaped groove. Furthermore, the V-shaped grooves are simple to manufacture and low in cost.

[0036] In one embodiment, the first clamping component 4 and the second clamping component 5 have the same structure, and the first clamping component 4 is taken as an example for illustrative description.

[0037] like Figure 2 and Figure 3 As shown, the first clamping component 4 includes a hydraulic cylinder 41, a clamping block 42, a first slider 43 and a second slider 44, and the base plate 1 is provided with a first slide groove 13 and a second slide groove 14 in the horizontal direction, wherein the hydraulic cylinder 41 is fixed on the base plate 1, the piston of the hydraulic cylinder 41 is detachably connected to one side of the clamping block 42, the first slider 43 and the second slider 44 are detachably connected to the bottom of the clamping block 42, the first slider 43 is slidably connected to the first slide groove 13, and the second slider 44 is slidably connected to the second slide groove 14.

[0038] During specific use, the piston of the hydraulic cylinder 41 drives the clamping block 42 to approach the first limit block 2 in a direction parallel to the first slide groove 13 and the second slide groove 14 , and the electrolytic anode guide rod 103 is pressed into the first clamping groove 21 by the clamping block 42 .

[0039] It should be noted that when the hydraulic cylinder 41 is used to achieve reciprocating motion, a reduction gear can be eliminated, and there is no transmission backlash, resulting in smooth motion. The hydraulic cylinder 41 in this embodiment of the present invention is self-locking, meaning that it has a locking function at the end of its stroke to prevent the piston of the hydraulic cylinder 41 from moving under the action of a large external force, which could cause the electrolytic anode guide rod 103 to fall and result in a safety accident.

[0040] Furthermore, the clamping block 42 is provided with a third clamping groove along the vertical direction. The cross-sectional shape of the third clamping groove can be V-shaped or semi-arc-shaped to match the electrolysis anode guide rod 103 .

[0041] In one embodiment, Figure 4As shown, the first slide groove 13 and the second slide groove 14 are provided with protrusions 131 on both sides along the horizontal direction, and the first slider 43 and the second slider 44 are provided with grooves 431 matching the protrusions 131 on both sides along the horizontal direction. The cross-sectional shape of the groove 431 and the protrusion 131 can be arc-shaped or triangular.

[0042] By providing the grooves 431 and the protrusions 131 that match each other, the first slider 43 and the second slider 44 will not fall off when sliding along the first sliding groove 13 and the second sliding groove 14 .

[0043] Furthermore, in order to facilitate the installation of the first slider 43 and the second slider 44, the starting point of the first slide groove 13 and the second slide groove 14 is one side of the base plate 1. During installation, the first slider 43 and the second slider 44 can be directly inserted into the first slide groove 13 and the second slide groove 14 from one side of the base plate 1, which makes the installation simple and quick.

[0044] In one embodiment, the first clamping component 4 also includes a first stud 48 and a second stud 49. The bottom of the clamping block 42 is detachably connected to the first slider 43 through the first stud 48, and the bottom of the clamping block 42 is detachably connected to the second slider 44 through the second stud 49.

[0045] Specifically, a first threaded hole 421 and a second threaded hole 422 are provided at the bottom of the clamping block 42, and a third threaded hole 432 and a fourth threaded hole 442 are provided at the upper ends of the first slider 43 and the second slider 44 respectively; one end of the first stud 48 is connected to the first threaded hole 421, and the other end is connected to the third threaded hole 432, so as to realize a detachable connection between the first slider 43 and the clamping block 42; one end of the second stud 49 is connected to the second threaded hole 422, and the other end is connected to the fourth threaded hole 442, so as to realize a detachable connection between the second slider 44 and the clamping block 42.

[0046] In one embodiment, Figure 2 and Figure 3 As shown, the first clamping component 4 also includes a limit switch assembly, which includes a limit plate 45, a bracket 46 and a proximity switch 47. The limit plate 45 is detachably connected to the base plate 1, and the proximity switch 47 is connected to the clamping block 42 through the bracket 46. One end of the sensing surface of the proximity switch 47 is arranged opposite to the limit plate 45. When the piston of the hydraulic cylinder 41 drives the clamping block 42 to move to the set position, that is, the sensing area of the sensing surface of the proximity switch 47 approaches the limit plate 45, the proximity switch 47 provides a control instruction, so that the control system controls the piston stroke of the hydraulic cylinder 41 according to the control instruction, thereby realizing accurate control of the position of the clamping block 42 and ensuring the verticality of the electrolytic anode guide rod 103.

[0047] Furthermore, to expand the range of use of the positioning device, the cross-sections of the first, second, and third slots are configured to be V-shaped, and the limiting plate 45 is slidably connected to the base plate 1 in the horizontal direction. Specifically, a waist-shaped groove is provided in the horizontal direction on the base plate 1, and a threaded hole is provided on the limiting plate 45. One end of a bolt passes through the waist-shaped groove and is connected to the threaded hole of the limiting plate 45. The position of the limiting plate 45 is adjusted according to the outer diameter of the electrolytic anode guide rod 103, thereby adjusting the piston stroke of the hydraulic cylinder 41, and finally adjusting the distance between the clamping block 42 and the first and second limiting blocks 2 and 3, thereby achieving positioning and clamping of electrolytic anode guide rods 103 with different outer diameters.

[0048] It should be noted that collecting the signal of the proximity switch 47 by the control system to control the stroke of the hydraulic cylinder 41 is a prior art and will not be described in detail in this application.

[0049] The working principle of the positioning device of the embodiment of the present invention is: the electrolytic anode guide rod 103 is hoisted and one side of it is placed against the first slot 21 of the first limit block 2 and the second slot of the second limit block 3, and the hydraulic cylinders 41 of the first clamping component 4 and the second clamping component 5 are started in sequence. The hydraulic cylinder 41 drives the clamping block 42 to approach the hoisted electrolytic anode guide rod 103. When the distance between the proximity switch 47 on the clamping block 42 and the limit plate 45 reaches the sensing distance, the proximity switch 47 sends an instruction to the control system, and the control system controls the piston of the hydraulic cylinder 41 to stop moving.

[0050] The positioning device of the embodiment of the present invention has a simple structure and strong versatility, and can realize the vertical erection of the electrolytic anode guide rod 103 , thereby solving the problem that the verticality of the electrolytic anode guide rod 103 cannot be effectively controlled during welding.

[0051] like Figure 5 and Figure 6 As shown, the structure of the electrolytic anode guide rod continuous rotary welding device is exemplarily described below. The electrolytic anode guide rod 103 continuous rotary welding device includes a support frame 101, a welding platform 102, a base 104 and a clamping component 105. The bottom of the support frame 101 is fixedly connected to one side of the welding platform 102, the support frame 101 is perpendicular to the welding platform 102, the bottom of the welding platform 102 is rotatably connected to the base 104, and the clamping component 105 is arranged above the welding platform 102, and the clamping component 105 is connected to the support frame 101.

[0052] like Figure 6 and Figure 7As shown, the following is a brief description of the positioning device of the embodiment of the present invention for continuous rotary welding of the electrolytic anode guide rod 103. The positioning device of the embodiment of the present invention is fixedly connected to the support frame 101 by bolts. Before welding, the steel claw body 107 and the explosive welding block 106 are stacked on the welding platform 102 from bottom to top. The electrolytic anode guide rod 103 is lifted and one side is placed against the first slot 21 of the first limit block 2 and the second slot of the second limit block 3. The electrolytic anode guide rod 103 slides downward under its own weight and contacts the end face of the steel claw body 107 and the explosive welding block 106. The clamping component 105 then clamps the electrolytic anode guide rod 103 and tightly presses the end face of the electrolytic anode guide rod 103 against the end face of the steel claw body 107 and the explosive welding block 106. Finally, the upper and lower ends of the electrolytic anode guide rod 103 are clamped and positioned by the first clamping component 4 and the second clamping component 5 of the positioning device to ensure verticality during welding.

[0053] It should be noted that the positioning device of the embodiment of the present invention can not only be applied to the above-mentioned electrolytic anode guide rod 103 continuous rotary welding device, but can also be used in other electrolytic anode guide rod 103 continuous rotary welding devices to realize clamping and positioning of the electrolytic anode guide rod 103 during welding to achieve the same effect.

[0054] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103), characterized in that: It comprises a base plate (1), a first limiting block (2), a second limiting block (3), a first clamping component (4) and a second clamping component (5); The first limiting block (2) and the second limiting block (3) are arranged on the bottom plate (1), the first limiting block (2) is located above the second limiting block (3), the first limiting block (2) includes a first clamping groove (21) arranged in the vertical direction, the second limiting block (3) includes a second clamping groove arranged in the vertical direction, and the projection of the first clamping groove (21) in the vertical direction coincides with the second clamping groove; the first clamping component (4) and the second clamping component (5) are arranged on the bottom plate (1), the first clamping component (4) is used to press the upper part of the electrolysis anode guide rod (103) into the first clamping groove (21), and the second clamping component (5) is used to press the lower part of the electrolysis anode guide rod (103) into the second clamping groove; The base plate (1) is provided with a first slide groove (13) and a second slide groove (14) in the horizontal direction, the first clamping component (4) and the second clamping component (5) have the same structure, the first clamping component (4) is located on one side of the first limit block (2), and the second clamping component (5) is located on one side of the second limit block (3); wherein, the first clamping component (4) comprises a hydraulic cylinder (41), a clamping block (42), a first slider (43) and a second slider (44), the hydraulic cylinder (41) is fixed on the base plate (1), the piston of the hydraulic cylinder (41) is detachably connected to one side of the clamping block (42), the first slider (43) and the second slider (44) are detachably connected to the bottom of the clamping block (42), the first slider (43) is slidably connected to the first slide groove (13), the second slider (44) is slidably connected to the second slide groove (14), and the clamping block (42) is provided with a third slot in the vertical direction; The first chute (13) and the second chute (14) are provided with protrusions (131) on both sides along the horizontal direction, and the first slider (43) and the second slider (44) are provided with grooves (431) matching the protrusions (131) on both sides along the horizontal direction; The first clamping component (4) further includes a limit switch assembly, which includes a limit plate (45), a bracket (46) and a proximity switch (47); wherein the limit plate (45) is detachably connected to the base plate (1), the proximity switch (47) is connected to the clamping block (42) via the bracket (46), and one end of the sensing surface of the proximity switch (47) is arranged opposite to the limit plate (45).

2. The positioning device for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, characterized in that: The base plate (1) is provided with a plurality of first positioning holes and a plurality of second positioning holes (12); the first limiting block (2) is connected to the plurality of first positioning holes (11) via a spiral pin (22); and the second limiting block (3) is connected to the plurality of second positioning holes (12) via a spiral pin (22).

3. The positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, characterized in that: The first clamping groove (21) and the second clamping groove have V-shaped cross sections.

4. The positioning device for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, characterized in that: The cross-sectional shapes of the groove (431) and the protrusion (131) are arc-shaped or triangular.

5. The positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, characterized in that: The first clamping component (4) further comprises a first stud (48) and a second stud (49); the bottom of the clamping block (42) is detachably connected to the first slider (43) via the first stud (48); and the bottom of the clamping block (42) is detachably connected to the second slider (44) via the second stud (49).

6. The positioning device for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, 4 or 5, characterized in that: The cross section of the third slot is V-shaped or semi-arc-shaped.

7. The positioning device for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, 4 or 5, characterized in that: The hydraulic cylinder (41) is a self-locking hydraulic cylinder (41).

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