CN115533406A - Positioning device suitable for continuous rotary welding of electrolytic anode guide rod - Google Patents

Abstract

The invention discloses a positioning device suitable for continuous rotary welding of an electrolytic anode guide rod, which comprises a bottom plate, a first limiting block, a second limiting block, a first clamping part and a second clamping part, wherein the bottom plate is provided with a first limiting block and a second limiting block; the first limiting block and the second limiting block are arranged on the bottom plate, the first limiting block is positioned above the second limiting block, the first limiting block comprises a first clamping groove arranged along the vertical direction, the second limiting block comprises a second clamping groove arranged along the vertical direction, and the projection of the first clamping groove along the vertical direction is superposed with the second clamping groove; the first clamping part and the second clamping part are arranged on the bottom plate, the first clamping part is used for pressing the upper part of the electrolytic anode guide rod in the first clamping groove, and the second clamping part is used for pressing the lower part of the electrolytic anode guide rod in the second clamping groove. The positioning device provided by the embodiment of the invention has the advantages of simple structure and strong universality, realizes the vertical erection of the electrolytic anode guide rod, and solves the problem that the verticality cannot be effectively controlled in the welding process of the electrolytic anode guide rod.

Description

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

technical field

The invention belongs to the technical field of electrolytic anode welding maintenance, and particularly relates to a positioning device suitable for continuous rotary welding of electrolytic anode guide rods.

Background technique

The anode guide rod is an important loss part in the production of prebaked electrolytic cells. It plays the dual role of conveying current and hanging the anode carbon block group in the production of aluminum electrolysis. It is welded by guide rod, explosion welding block and steel claw body in sequence composition.

When the electrolytic anode guide rod used in the large-scale prebaked electrolytic cell is welded to the explosive welding block on the end face of the steel claw body beam, because the guide rod needs to be hoisted and positioned by a crane, it is difficult to press the end face of the guide rod and the explosive welding block on the end face of the steel claw body tightly. In addition, the weight of the guide rod and the steel claw body is relatively large, and the workpiece is inconvenient to move during the welding process. The welder needs to change the welding position many times to complete the welding seam around the explosive welding block on the end face of the guide rod and the end face of the steel claw body. The welding pressure drop between the claws is large, the verticality of the electrolytic anode guide rod cannot be effectively controlled, the guide rod is deflected after welding, and the workers frequently change positions and the welding efficiency is low.

Contents of the invention

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 in the maintenance and production of electrolytic anode welding.

A positioning device suitable for continuous rotary welding of electrolytic anode guide rods, comprising a bottom plate, a first limiting block, a second limiting block, a first clamping part, and a second clamping part; wherein, the first limiting The block and the second limiting block are arranged on the base plate, the first limiting block is located above the second limiting block, and the first limiting block includes a first card vertically arranged slot, the second limiting block includes a second card slot arranged in the vertical direction, the projection of the first card slot along the vertical direction coincides with the second card slot; the first clamping part and The second clamping part is arranged on the bottom plate, the first clamping part is used to press the upper part of the electrolytic anode guide rod into the first clamping groove, and the second clamping part is used for Compress the lower part of the electrolytic anode guide rod into the second clamping groove.

Further, the bottom plate is provided with a plurality of first positioning holes and a plurality of second positioning holes, the first limiting block is connected with the plurality of first positioning holes through screw pins, and the second limiting block The bit blocks are connected to the plurality of second positioning holes through screw pins.

Further, the cross section of the first card slot and the second card slot is V-shaped.

Further, the bottom plate is provided with a first chute and a second chute along the horizontal direction, the first clamping part and the second clamping part have the same structure, and the first clamping part is located at the first One side of a limit block, the second clamping component is located on one side of the second limit block;

Wherein, the first clamping part includes a hydraulic cylinder, a clamping block, a first slider and a second slider, the hydraulic cylinder is fixed on the bottom plate, and the piston of the hydraulic cylinder is connected to the clamping block One side is detachably connected, 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 chute, and the second The sliding block is slidably connected with the second sliding slot, and the clamping block is vertically provided with a third locking slot.

Further, the first sliding groove and the second sliding groove are provided with protrusions along the horizontal direction on both sides, and the first sliding block and the second sliding block are provided on both sides along the horizontal direction with projections corresponding to the horizontal direction. grooves that match the protrusions described above.

Further, the cross-sectional shape of the groove and the protrusion is arc or triangle.

Further, the first clamping part also includes a first double-ended stud and a second double-ended stud, and the bottom of the clamping block is detachable from the first slider through the first double-ended stud. connected, the bottom of the clamping block is detachably connected to the second slider through the second stud.

Further, the cross-section of the third card slot is V-shaped or semi-arc.

Further, the first clamping part also includes a limit switch assembly, and the limit switch assembly includes a limit plate, a bracket and a proximity switch;

Wherein, the limiting plate is detachably connected to the bottom plate, the proximity switch is connected to the clamping block through the bracket, and one end of the sensing surface of the proximity switch is arranged opposite to the limiting plate.

Further, the hydraulic cylinder is a self-locking hydraulic cylinder.

Beneficial effects of the present invention: the positioning device of the embodiment of the present invention has simple structure and strong versatility, realizes the vertical erection of the electrolytic anode guide rod, and solves the problem that the verticality cannot be effectively controlled during the welding process of the electrolytic anode guide rod.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure pointed out in the written description, claims hereof as well as the appended drawings.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 shows 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;

Fig. 2 shows a schematic diagram of installation of a first limit block according to an embodiment of the present invention;

Fig. 3 shows a schematic diagram of installation of a first clamping component according to an embodiment of the present invention;

Fig. 4 shows a schematic diagram of clamping block installation according to an embodiment of the present invention;

Fig. 5 shows the structural representation of the continuous rotary welding device of the electrolytic anode guide rod;

Fig. 6 shows 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;

Fig. 7 shows 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.

In the figure: 1. Bottom plate; 2. First limit block; 3. Second limit block; 4. First clamping part; 5. Second clamping part; 11. First positioning hole; 12. Second Positioning hole; 13, first chute; 14, second chute; 21, first card slot; 22, screw pin; 41, hydraulic cylinder; 42, clamping block; 43, first slider; 44, the first Two sliders; 45, limit plate; 46, support; 47, proximity switch; 48, the first stud stud; 49, the second stud stud; 131, protrusion; 431, groove; 421, the first stud A threaded hole; 422, the second threaded hole; 432, the third threaded hole; 442, the fourth threaded hole; 101, the support frame; 102, the welding platform; 103, the electrolytic anode guide rod; 104, the base; 105, the pressing Tight part; 106, explosion welding block; 107, steel claw body.

detailed description

In order to make the purpose, 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 It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first" and "second" in this application are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for the embodiments of the application described herein. In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", The orientations or positional relationships indicated by "vertical", "horizontal", "horizontal", and "longitudinal" are based on the orientations or positional relationships shown in the drawings.

As shown in Figure 1, the embodiment of the present invention provides a positioning device suitable for continuous rotary welding of electrolytic anode guide rods, including a bottom plate 1, a first limiting block 2, a second limiting block 3, and a first clamping member 4 and the second clamping part 5.

Wherein, 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, as shown in Figure 2, the first limiting block 2 includes The first locking slot 21 is arranged in the vertical direction, and the second limiting block 3 includes a second locking slot arranged in the vertical direction, wherein the projection of the first locking slot 21 along the vertical direction coincides with the second locking slot. The first clamping slot 21 and the second clamping slot are used to limit the upper part and the lower part of the electrolytic anode guide rod 103 .

The first clamping part 4 and the second clamping part 5 are arranged on the bottom plate 1, and the first clamping part 4 is located on one side of the first limit block 2, and the first clamping part 4 is used for the electrolytic anode guide rod 103 The upper part of the upper part is compressed in the first clamping groove 21; the second clamping part 5 is located on one side of the second limit block 3, and the second clamping part 5 is used to press the lower part of the electrolytic anode guide rod 103 on the second card slot.

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, and after the first clamping part 4 and the second clamping part 5 press the electrolytic anode guide rod 103 tightly, it is ensured that the electrolytic anode Guide rod 103 verticality.

Specifically, a plurality of positioning holes are set on the base plate 1. Specifically, as shown in FIG. As shown, the first limiting block 2 is connected to more than two first positioning holes 11 through screw pins 22 , and the second limiting block 3 is connected to more than two second positioning holes 12 through screw pins 22 . The first limiting block 2 and the second limiting block 3 are connected with the positioning holes on the bottom plate 1 through the screw pin 22 to realize the accurate installation and positioning of the first limiting block 2 and the second limiting block 3 .

In one embodiment, the cross section of the first locking groove 21 and the second locking groove is V-shaped, and the V-shaped locking groove has good alignment. Even if there is an error in the diameter of the outer circle used as the positioning base surface, it can still ensure that the positioning reference axis of the electrolytic anode guide rod 103 is always on the symmetrical plane of the V-shaped groove, and the V-shaped groove is easy to process and low in cost.

In one embodiment, the first clamping part 4 and the second clamping part 5 have the same structure, and the first clamping part 4 is taken as an example for illustration.

As shown in Figures 2 and 3, the first clamping part 4 includes a hydraulic cylinder 41, a clamping block 42, a first slider 43 and a second slider 44, and the bottom plate 1 is provided with a first sliding groove 13 and a horizontal direction. The second chute 14, 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 connected to the clamping block 42 The bottom of the bottom is detachably connected, the first slider 43 is slidably connected to the first chute 13 , and the second slider 44 is slidably connected to the second chute 14 .

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 chute 13 and the second chute 14, and the electrolytic anode guide rod 103 is clamped by the clamping block 42. Press it into the first card slot 21.

It should be noted that when the hydraulic oil cylinder 41 is used to realize reciprocating motion, the deceleration device can be omitted, and there is no transmission gap, and the motion is stable. The hydraulic cylinder 41 of the embodiment of the present invention is a self-locking hydraulic cylinder 41, that is, the cylinder has a locking function at the end of the stroke, so as to prevent the piston of the hydraulic cylinder 41 from moving under the action of a large external force, so that the electrolytic anode guide rod 103 is toppled over. lead to safety accidents.

Furthermore, the clamping block 42 is provided with a third clamping slot along the vertical direction, and the cross-sectional shape of the third clamping slot may be V-shaped or a semi-arc shape matching the electrolysis anode guide rod 103 .

In one embodiment, as shown in FIG. 4 , the first sliding groove 13 and the second sliding groove 14 are provided with protrusions 131 along the horizontal direction on both sides, and the first sliding block 43 and the second sliding block 44 are arranged on both sides along the horizontal direction. A groove 431 matching the protrusion 131 is provided in the horizontal direction, and the cross-sectional shape of the groove 431 and the protrusion 131 can be arc or triangle.

By setting the groove 431 and the protrusion 131 matched with each other, the first sliding block 43 and the second sliding block 44 will not fall off when sliding along the first sliding groove 13 and the second sliding groove 14 .

Further, in order to facilitate the installation of the first sliding block 43 and the second sliding block 44, the starting point of the first sliding groove 13 and the second sliding groove 14 is one side of the bottom plate 1, and the first sliding block 43, the second sliding The second sliding block 44 is directly inserted into the first chute 13 and the second chute 14 from one side of the bottom plate 1, and the installation is simple and fast.

In one embodiment, the first clamping part 4 further includes a first double-ended stud 48 and a second double-ended stud 49, and the bottom of the clamping block 42 can be connected to the first slider 43 through the first double-ended stud 48. To disassemble the connection, the bottom of the clamping block 42 is detachably connected to the second sliding block 44 through the second stud 49 .

Specifically, the bottom of the clamping block 42 is provided with a first threaded hole 421 and a second threaded hole 422, and the upper ends of the first slider 43 and the second slider 44 are respectively provided with a third threaded hole 432 and a fourth threaded hole 442; One end of a double-ended stud 48 is connected with the first threaded hole 421, and the other end is connected with the third threaded hole 432 to realize the detachable connection between the first slider 43 and the clamping block 42; one end of the second double-ended stud 49 is connected with the second The other end of the threaded hole 422 is connected with the fourth threaded hole 442 to realize the detachable connection between the second sliding block 44 and the clamping block 42 .

In one embodiment, as shown in Figure 2 and Figure 3, the first clamping part 4 also includes a limit switch assembly, the limit switch assembly includes a limit plate 45, a bracket 46 and a proximity switch 47, the limit plate 45 and The bottom plate 1 is detachably connected, 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 set 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 is close to the limit plate 45, and the proximity switch 47 provides control instructions, so that the control system controls the piston stroke of the hydraulic cylinder 41 according to the control instructions, thereby realizing accurate control of the position of the clamping block 42 , to ensure the verticality of the electrolytic anode guide rod 103.

Further, in order to improve the range of use of the positioning device, the cross-sections of the first slot 21, the second slot and the third slot are V-shaped, and the limit plate 45 is slidably connected with the bottom plate 1 in the horizontal direction. Specifically, A waist-shaped groove is arranged on the base plate 1 along the horizontal direction, and a threaded hole is arranged on the limiting plate 45 , and one end of a bolt passes through the waist-shaped groove and is connected with the threaded hole of the limiting plate 45 . According to the outer diameter of the electrolytic anode guide rod 103, the position of the limit plate 45 is adjusted, so as to adjust the piston stroke of the hydraulic cylinder 41, and finally reach the adjustment between the clamping block 42 and the first limit block 2 and the second limit block 3 The distance between them, so as to realize the positioning and clamping of electrolytic anode guide rods 103 with different outer diameters.

It should be noted that it is a prior art to control the stroke of the hydraulic cylinder 41 by collecting the signal of the proximity switch 47 through the control system, which will not be repeated in this application.

The working principle of the positioning device in the embodiment of the present invention is: lift the electrolytic anode guide rod 103 and place one side thereof against the first slot 21 of the first limiting block 2 and the second locking slot of the second limiting block 3 , start the hydraulic cylinder 41 of the first clamping part 4 and the second clamping part 5 in sequence, and the hydraulic cylinder 41 drives the clamping block 42 to approach the lifting electrolytic anode guide rod 103, when the proximity switch 47 on the clamping block 42 is in contact with the When the distance between the limiting plates 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.

The positioning device of the embodiment of the present invention has a simple structure and strong versatility, and realizes the vertical erection of the electrolytic anode guide rod 103, which solves the problem that the verticality of the electrolytic anode guide rod 103 cannot be effectively controlled during the welding process.

As shown in Figure 5 and Figure 6, the structure of the continuous rotary welding device for the electrolytic anode guide rod is exemplified below. Tightening part 105, the bottom of support frame 101 is fixedly connected with one side of welding platform 102, support frame 101 is perpendicular to welding platform 102, the bottom of welding platform 102 is connected with base 104 in rotation, and pressing part 105 is arranged on the top of welding platform 102, The pressing part 105 is connected with the supporting frame 101 .

As shown in Figure 6 and Figure 7, the positioning device of the embodiment of the present invention is used for the 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. , stack the steel claw body 107 and the explosion welding block 106 on the welding platform 102 from bottom to top in sequence, lift the electrolytic anode guide rod 103 and put one side of it against the first slot 21 and the first stopper 2 of the first limiting block 2 In the second slot of the second limiting block 3, the electrolytic anode guide rod 103 slides downward under its own weight to contact the end face of the steel claw body 107 and the explosive welding block 106, and the pressing part 105 clamps the electrolytic anode guide rod 103 Tighten the end face of the electrolytic anode guide rod 103 and the end face of the steel claw body 107 with the explosive welding block 106, and finally pass the first clamping part 4 and the second clamping part 5 of the positioning device to the upper end of the electrolytic anode guide rod 103 , The lower end is clamped and positioned to ensure the verticality during the welding process.

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

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 perform equivalent replacements for some of the technical features; and these The modification or replacement does not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. A positioning device suitable for continuous rotary welding of an electrolytic anode guide rod (103), characterized in that it comprises a bottom plate (1), a first limit block (2), a second limit block (3), a first a clamping part (4) and a second clamping part (5); Wherein, 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 at the second limit Above the block (3), the first limiting block (2) includes a first slot (21) arranged in the vertical direction, and the second limiting block (3) includes a second slot (21) arranged in the vertical direction. The projection of the first clamping slot (21) in the vertical direction coincides with the second clamping slot; the first clamping part (4) and the second clamping part (5) are arranged on On the bottom plate (1), the first clamping part (4) is used to press the upper part of the electrolytic anode guide rod (103) into the first clamping slot (21), and the second clamping The component (5) is used to press the lower part of the electrolytic anode guide rod (103) into the second clamping groove. 2. The positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, characterized in that, the bottom plate (1) is provided with a plurality of first positioning holes and a plurality of second positioning holes holes (12), the first limiting block (2) is connected to a plurality of the first positioning holes (11) through screw pins (22), and the second limiting block (3) is connected through screw pins (22 ) is connected with a plurality of the second positioning holes (12). 3. The positioning device suitable for continuous rotary welding of the electrolytic anode guide rod (103) according to claim 1, characterized in that the cross-section of the first clamping groove (21) and the second clamping groove is V-shaped . 4. The positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103) according to claim 1, characterized in that, the bottom plate (1) is provided with a first chute (13) and a second chute along the horizontal direction The chute (14), the first clamping part (4) and the second clamping part (5) have the same structure, and the first clamping part (4) is located at the first limit block (2 ), the second clamping part (5) is located on one side of the second limiting block (3); Wherein, the first clamping part (4) includes a hydraulic cylinder (41), a clamping block (42), a first slider (43) and a second slider (44), and the hydraulic cylinder (41) is fixed On the bottom 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) is detachably connected to the bottom of the clamping block (42), the first slider (43) is slidably connected to the first chute (13), and the second slider (44) is connected to the The second sliding slot (14) is slidingly connected, and the clamping block (42) is provided with a third locking slot along the vertical direction. 5. The positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103) according to claim 4, characterized in that, the first chute (13) and the second chute (14) are located between two The sides are provided with protrusions (131) along the horizontal direction, and the first slider (43) and the second slider (44) are provided with matching protrusions (131) along the horizontal direction on both sides. groove (431). 6. The positioning device suitable for continuous rotary welding of the electrolytic anode guide rod (103) according to claim 5, characterized in that, the cross-sectional shape of the groove (431) and the protrusion (131) is an arc shape or triangle. 7. The positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103) according to claim 4, characterized in that, the first clamping part (4) also includes a first stud (48) And the second double-ended stud (49), the bottom of the clamping block (42) is detachably connected with the first slider (43) through the first double-ended stud (48), the clamping The bottom of the block (42) is detachably connected with the second sliding block (44) through the second double-ended stud (49). 8. The positioning device suitable for continuous rotary welding of the electrolytic anode guide rod (103) according to any one of claims 4-7, characterized in that the cross-section of the third clamping groove is V-shaped or semi-arc. 9. The positioning device suitable for continuous rotary welding of electrolytic anode guide rods (103) according to any one of claims 4-7, characterized in that the first clamping part (4) also includes a limit switch assembly, The limit switch assembly includes a limit plate (45), a bracket (46) and a proximity switch (47); Wherein, the limiting plate (45) is detachably connected to the bottom plate (1), the proximity switch (47) is connected to the clamping block (42) through the bracket (46), and the proximity switch (47) One end of the sensing surface is arranged opposite to the limiting plate (45). 10. The positioning device suitable for continuous rotary welding of the electrolytic anode guide rod (103) according to any one of claims 4-7, characterized in that the hydraulic cylinder (41) is a self-locking hydraulic cylinder (41).

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