Electroslag remelting conductive electrode

Abstract

The utility model relates to the technical field of electroslag remelting, and discloses an electroslag remelting conductive electrode which comprises an electrode stem conductive seat, two electrode stem body assembly welds are arranged on the inner side face of the electrode stem conductive seat, and two electrode stem waterproof sleeve assembly welds are arranged on the outer side faces of the two electrode stem body assembly welds. And two electrode stem sealing compression rings are arranged on the right sides of the two electrode stem waterproof sleeve assembly welds. The ball screw assembly penetrates through and extends to the outer side face of the electrode stem conductive seat under the action of the electrode stem conductive seat, so that the electrode stem conductive seat is clamped through the electrode stem lap joint flange and the electrode stem sealing pressing ring, the electrode stem conductive seat is sealed and fixed, leakage is avoided, and through pull rod assembling and welding, the welding quality is improved. Therefore, the electrode stem limiting sleeve is fixed and limited through the pull rod assembly welding, the electrode stem limiting sleeve is attached and limited to the ball screw assembly, the electrode stem upper supporting plate assembly welding and the pull rod assembly welding are clamped under the action of the pull rod assembly welding, and limiting is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electroslag remelting, in particular to an electroslag remelting conductive electrode. Background Art

[0002] Electroslag remelting is the process of passing current into a consumable electrode, melting the consumable electrode by relying on the Joule heat generated by the slag pool. The formed metal droplets are refined in the process of passing through the slag pool. The droplets reach the bottom of the crystallizer and solidify into ingots under the action of cooling water. Electroslag remelting has the triple functions of improving metal cleanliness, controlling solidification structure and finally shaping to achieve blank refinement. The ingots produced by this method have the advantages of dense structure, uniform composition, smooth surface and excellent mechanical properties.

[0003] Compared with the prior art: since the prior art equipment cannot be precisely sealed during use, it may cause leakage during use, causing harm to the human body, affecting human health, and thus reducing work efficiency.

[0004] Therefore, an electroslag remelting conductive electrode is proposed. Utility Model Content

[0005] The utility model aims to provide an electroslag remelting conductive electrode to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electroslag remelting conductive electrode, comprising an electrode rod conductive seat, wherein the inner side of the electrode rod conductive seat is provided with two electrode rod body assemblies, the outer side of the two electrode rod body assemblies are provided with two electrode rod waterproof sleeve assemblies, and the right side of the two electrode rod waterproof sleeve assemblies are provided with two electrode rod sealing pressure rings.

[0007] Preferably, two electrode rod loose-fitting flanges are arranged on the right sides of the two electrode rod sealing pressure rings, and the two electrode rod loose-fitting flanges are movably connected to the right sides of the two electrode rod sealing pressure rings.

[0008] Preferably, two electrode rod insulating sleeves six are arranged on the left side of the two electrode rod loose flanges, two electrode rod insulating pads one are arranged on the left side of the two electrode rod insulating sleeves six, the right side of the two electrode rod insulating pads one are movably connected to the left side of the two electrode rod insulating sleeves six, two skeleton oil seals are arranged on the inner side of the two electrode rod insulating pads one, the left side of the two skeleton oil seals are arranged with electrode rod retaining rings B, the left side of the two electrode rod retaining rings B are arranged with two electrode rod oil inlet rings, the left side of the two electrode rod oil inlet rings are arranged with two electrode rod retaining rings, the right side of the two electrode rod retaining rings are arranged with two electrode rod insulating sleeves one, the outer side of the two electrode rod insulating sleeves one is provided with two electrode rod lower support plates welded together, and the inner side of the two electrode rod lower support plates welded together is movably connected to the surface of the two electrode rod insulating sleeves one.

[0009] Preferably, two electrode rod insulating pads four are arranged on the left side of the two electrode rod lower support plates welded together, electrode rod insulating sleeves four are arranged on the outer side of the two electrode rod insulating pads four, electrode rod insulating sleeves five are arranged on the left side of the electrode rod insulating sleeves four, electrode rod insulating sleeves three are arranged on the inner side of the two electrode rod insulating sleeves five, two electrode rod upper support plates are welded together on the left side of the electrode rod insulating sleeve three, two electrode rod insulating pads three are arranged on the right side of the two electrode rod upper support plates welded together, two pull rods are welded together on the right side of the two electrode rod insulating pads three, two electrode rod limiting sleeves are arranged on the inner side of the two pull rods welded together, electrode rod guide keys are arranged on the inner side of the two electrode rod limiting sleeves, ball screw assemblies are arranged on the inner sides of the two electrode rod guide keys, and the ball screw assemblies extend through and extend to the electrode rod conductive seat and the outer side of the electrode rod slip-on flange.

[0010] Preferably, an electrode rod collision block assembly is arranged on the outside of the ball screw assembly, an electrode rod insulation pad 2 is arranged on the outside of the electrode rod collision block assembly, an electrode rod insulation sleeve 2 is arranged on the right side of the electrode rod insulation pad 2, an electrode rod travel switch frame is arranged on the left side of the electrode rod insulation sleeve 2, an electrode rod cylinder sleeve is arranged below the electrode rod travel switch frame, a cylinder is arranged on the right side of the electrode rod cylinder sleeve, and four guide wheel assemblies 1 are arranged on the left side of the cylinder, and four guide wheel assemblies 2 are arranged on the outer side of the four guide wheel assemblies 1, and four guide wheel assemblies 2 are arranged on the outer side of the four guide wheel assemblies 2. An electrode rod terminal board is provided, an electrode rod insulating pad is provided on the right side of the electrode rod terminal board, an electrode rod washer is provided on the right side of the electrode rod insulating pad, an electrode rod pneumatic chuck is provided on the inner side of the electrode rod washer, an auxiliary electrode is provided on the right side of the electrode rod pneumatic chuck, a steel ball is provided on the right side of the auxiliary electrode, an electrode rod insulating sleeve five is provided on the left side of the steel ball, an electrode rod insulating pad six is ​​provided on the right side of the electrode rod insulating sleeve five, an electrode rod pneumatic clamp is provided on the left side of the electrode rod insulating pad six, and an electrode rod conductive flange is provided on the right side of the electrode rod pneumatic clamp.

[0011] Preferably, an O-ring 1 is arranged on the left side of the conductive flange of the electrode rod, two O-rings 2 are arranged on the right side of the O-ring 1, two O-rings 3 are arranged on the right side of the two O-rings 2, two O-rings 4 are arranged on the right side of the two O-rings 3, O-rings 5 ​​are arranged on the right side of the two O-rings 4, and a guide wheel base 1 is arranged on the right side of the two O-rings 5.

[0012] Preferably, a guide wheel shaft is arranged on the outer side of the right side of the guide wheel base, a guide wheel adjustment pad is arranged on the inner side of the guide wheel shaft, a deep groove ball bearing is arranged on the inner side of the guide wheel adjustment pad, a guide wheel adjustment sleeve is arranged on the inner side of the deep groove ball bearing, an electrode rod guide wheel is arranged on the right side of the guide wheel adjustment sleeve, and a guide wheel pressure is arranged on the right side of the electrode rod guide wheel.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the electroslag remelting conductive electrode,

[0014] 1) Through the electrode rod conductive seat, the ball screw assembly extends through the electrode rod conductive seat to the outer side of the electrode rod conductive seat, so that the electrode rod conductive seat is clamped by the electrode rod loose flange and the electrode rod sealing ring, so as to seal and fix it to avoid leakage.

[0015] 2) Through tie rod welding. The electrode rod limit sleeve is fixed and limited by tie rod welding, so that the electrode rod limit sleeve fits and limits the ball screw assembly, so that the electrode rod upper support plate welding and the tie rod welding are clamped and limited by the tie rod welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the overall cross-section of the structure of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the overall front view of the structure of the utility model;

[0019] Figure 4 This is a three-dimensional schematic diagram of the motor water-blocking sleeve assembly of the utility model structure;

[0020] Figure 5 This is a three-dimensional schematic diagram of the guide wheel assembly of the utility model structure;

[0021] Figure 6 It is a three-dimensional schematic diagram of the lower support plate assembly of the motor structure of the utility model.

[0022] In the figure: 1 electrode rod conductive seat, 2 electrode rod body welding, 3 electrode rod watertight sleeve welding, 4 electrode rod sealing ring, 5 electrode rod slip-on flange, 6 electrode rod insulating sleeve VI, 7 electrode rod insulating pad 1, 8 skeleton oil seal, 9 electrode rod retaining ring B, 10 electrode rod oil inlet ring, 11 electrode rod retaining ring, 12 electrode rod insulating sleeve 1, 13 electrode rod lower support plate welding, 14 electrode rod insulating pad 4, 15 electrode rod insulating sleeve 4, 16 electrode rod insulating sleeve 5, 17 electrode rod insulating sleeve 3, 18 electrode rod upper support plate welding, 19 electrode rod insulating pad 3, 20 pull rod welding, 21 electrode rod limit sleeve, 22 electrode rod guide key, 23 ball screw assembly, 24 electrode rod collision block assembly, 25 electrode rod insulating pad 2, 26 electrode rod insulation 2. Insulation sleeve 2, 27. Electrode rod travel switch frame, 28. Electrode rod cylinder sleeve, 29. Cylinder, 30. Guide wheel assembly 1, 31. Guide wheel assembly 2, 32. Electrode rod terminal board, 33. Electrode rod insulating pad, 34. Electrode rod gasket, 35. Electrode rod pneumatic chuck, 36. Auxiliary electrode, 37. Steel ball, 38. Electrode rod insulating sleeve 5, 39. Electrode rod insulating pad 6, 40. Electrode rod pneumatic chuck, 41. Electrode rod conductive flange, 42. O-type sealing ring 1, 43. O-type sealing ring 2, 44. O-type sealing ring 3, 45. O-type sealing ring 4, 46. O-type sealing ring 5, 47. Guide wheel base 1, 48. Guide wheel shaft, 49. Guide wheel adjustment pad, 50. Deep groove ball bearing, 51. Guide wheel adjustment sleeve, 52. Electrode rod guide wheel, 53. Guide wheel pressure. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] See also Figure 1-Figure 5 The utility model provides a technical solution: an electroslag remelting conductive electrode, including an electrode rod conductive seat 1, two electrode rod body welds 2 are arranged on the inner side of the electrode rod conductive seat 1, two electrode rod waterproof sleeve welds 3 are arranged on the outer side of the two electrode rod waterproof sleeve welds 2, and two electrode rod sealing pressure rings 4 are arranged on the right side of the two electrode rod waterproof sleeve welds 3.

[0026] Two electrode rod loose-fitting flanges 5 are arranged on the right sides of the two electrode rod sealing pressure rings 4 , and the two electrode rod loose-fitting flanges 5 are movably connected to the right sides of the two electrode rod sealing pressure rings 4 .

[0027] Two electrode rod insulating sleeves 6 6 are arranged on the left side of the two electrode rod loose flanges 5, two electrode rod insulating pads 7 are arranged on the left side of the two electrode rod insulating sleeves 6 6, the right side of the two electrode rod insulating pads 7 is movably connected with the left side of the two electrode rod insulating sleeves 6 6, two skeleton oil seals 8 are arranged on the inner side of the two electrode rod insulating pads 7, electrode rod retaining rings B9 are arranged on the left side of the two skeleton oil seals 8, two electrode rod oil inlet rings 10 are arranged on the left side of the two electrode rod retaining rings B9, two electrode rod oil inlet rings 10 are arranged on the left side of the two electrode rod oil inlet rings 10, two electrode rod insulating sleeves 12 are arranged on the right side of the two electrode rod retaining rings 11, two electrode rod lower supporting plate group welds 13 are arranged on the outer side of the two electrode rod insulating sleeves 12, and the inner side of the two electrode rod lower supporting plate group welds 13 is movably connected with the surface of the two electrode rod insulating sleeves 12.

[0028] Two electrode rod insulating pads four 14 are arranged on the left side of the two electrode rod lower support plate assembly welds 13, electrode rod insulating sleeves four 15 are arranged on the outer side of the two electrode rod insulating pads four 14, electrode rod insulating sleeves five 16 are arranged on the left side of the electrode rod insulating sleeves four 15, electrode rod insulating sleeves three 17 are arranged on the inner side of the two electrode rod insulating sleeves five 16, two electrode rod upper support plate assembly welds 18 are arranged on the left side of the electrode rod insulating sleeves three 17, two electrode rod upper support plate assembly welds 18 are arranged on the right side of the two electrode rod upper support plate assembly welds 18, two pull rod assembly welds 20 are arranged on the right side of the two electrode rod insulating pads three 19, two electrode rod limit sleeves 21 are arranged on the inner side of the two pull rod assembly welds 20, electrode rod guide keys 22 are arranged on the inner side of the two electrode rod limit sleeves 21, ball screw assemblies 23 are arranged on the inner side of the two electrode rod guide keys 22, and the ball screw assemblies 23 extend through and extend to the electrode rod conductive seat 1 and the outer side of the electrode rod slip-on flange 5.

[0029] Furthermore, in this embodiment, the electrode rod conductive seat 1 seals and clamps the electrode rod watertight sleeve assembly weld 3 under the action of the electrode rod conductive seat 1, so that the electrode rod sealing pressure ring 4 and the electrode rod loose flange 5 are clamped, so that the electrode rod sealing pressure ring 4 clamps the electrode rod body assembly weld 2, so that the electrode rod guide key 22 and the electrode rod collision block assembly 24 are clamped and sealed;

[0030] Furthermore, in this embodiment, the electrode rod conductive seat 1 is used to allow the ball screw assembly 23 to penetrate and extend to the outer side of the electrode rod conductive seat 1, so that the electrode rod conductive seat 1 is clamped by the electrode rod loose flange 5 and the electrode rod sealing ring 4, so as to seal and fix it to avoid leakage.

[0031] Embodiment 2

[0032] See also Figure 2 , Figure 5, and on the basis of Example 1, it is further obtained that: an electrode rod collision block assembly 24 is arranged on the outside of the ball screw assembly 23, an electrode rod insulation pad 25 is arranged on the outside of the electrode rod collision block assembly 24, an electrode rod insulation sleeve 26 is arranged on the right side of the electrode rod insulation pad 25, an electrode rod travel switch frame 27 is arranged on the left side of the electrode rod insulation sleeve 26, an electrode rod cylinder sleeve 28 is arranged below the electrode rod travel switch frame 27, a cylinder 29 is arranged on the right side of the electrode rod cylinder sleeve 28, and four guide wheel assemblies 1 30 are arranged on the left side of the cylinder 29, and four guide wheel assemblies 2 31 are arranged on the outer side of the four guide wheel assemblies 1 30, and four guide wheel assemblies 2 31 are arranged on the outer side of the four guide wheel assemblies 2 An electrode rod terminal block 32 is arranged on the outside of 31, an electrode rod insulating pad 33 is arranged on the right side of the electrode rod terminal block 32, an electrode rod gasket 34 is arranged on the right side of the electrode rod insulating pad 33, an electrode rod pneumatic chuck 35 is arranged on the inner side of the electrode rod gasket 34, an auxiliary electrode 36 is arranged on the right side of the electrode rod pneumatic chuck 35, a steel ball 37 is arranged on the right side of the auxiliary electrode 36, an electrode rod insulating sleeve 516 is arranged on the left side of the steel ball 37, an electrode rod insulating pad 639 is arranged on the right side of the electrode rod insulating pad 639, an electrode rod pneumatic clamping sleeve 40 is arranged on the left side of the electrode rod insulating pad 639, and an electrode rod conductive flange 41 is arranged on the right side of the electrode rod pneumatic clamping sleeve 40.

[0033] An O-ring 1 42 is arranged on the left side of the electrode rod conductive flange 41, two O-ring 2s 43 are arranged on the right side of the O-ring 1 42, two O-ring 3s 44 are arranged on the right side of the two O-ring 2s 43, two O-ring 4s 45 are arranged on the right side of the two O-ring 3s 44, O-ring 5s 46 are arranged on the right side of the two O-ring 4s 45, and a guide wheel base 1 47 is arranged on the right side of the two O-ring 5s 46.

[0034] A guide wheel shaft 48 is arranged on the outer side of the right side of the guide wheel base 47, a guide wheel adjustment pad 49 is arranged on the inner side of the guide wheel shaft 48, a deep groove ball bearing 50 is arranged on the inner side of the guide wheel adjustment pad 49, a guide wheel adjustment sleeve 51 is arranged on the inner side of the deep groove ball bearing 50, an electrode rod guide wheel 52 is arranged on the right side of the guide wheel adjustment sleeve 51, and a guide wheel pressure 53 is arranged on the right side of the electrode rod guide wheel 52.

[0035] Furthermore, in this embodiment, the electrode rod limiting sleeve 21 is fixed and limited by the tie rod welding 20, so that the electrode rod upper support plate welding 18 limits it, so that the electrode rod upper support plate welding 18 and the electrode rod limiting sleeve 21 are fitted, so that the electrode rod limiting sleeve 21 seals the ball screw assembly 23 for the second time;

[0036] Furthermore, in this embodiment, the electrode rod limiting sleeve 21 is fixed and limited by the tie rod welding 20, so that the electrode rod limiting sleeve 21 fits and limits the ball screw assembly 23, so that the electrode rod upper support plate welding 18 and the tie rod welding 20 are clamped together under the action of the tie rod welding 20, thereby limiting the position.

[0037] When in use, the electrode rod conductive seat 1 is used to seal and clamp the electrode rod watertight sleeve assembly weld 3, so that the electrode rod sealing pressure ring 4 and the electrode rod slip-on flange 5 are clamped, so that the electrode rod sealing pressure ring 4 is clamped to the electrode rod body assembly weld 2, so that the electrode rod guide key 22 and the electrode rod impact block assembly 24 are clamped and sealed, and the electrode rod limiting sleeve 21 is fixed and limited by the pull rod assembly weld 20, so that the electrode rod upper support plate assembly weld 18 is limited, so that the electrode rod upper support plate assembly weld 18 and the electrode rod limiting sleeve 21 are fitted, so that the electrode rod limiting sleeve 21 seals the ball screw assembly 23 for secondary sealing.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electroslag remelting conductive electrode, comprising an electrode rod conductive seat (1), characterized in that: Two electrode rod body welds (2) are arranged on the inner side of the electrode rod conductive seat (1), two electrode rod waterproof sleeve welds (3) are arranged on the outer side of the two electrode rod body welds (2), and two electrode rod sealing pressure rings (4) are arranged on the right side of the two electrode rod waterproof sleeve welds (3).

2. The electroslag remelting conductive electrode according to claim 1, characterized in that: Two electrode rod loose-fitting flanges (5) are arranged on the right sides of the two electrode rod sealing pressure rings (4), and the two electrode rod loose-fitting flanges (5) are movably connected to the right sides of the two electrode rod sealing pressure rings (4).

3. The electroslag remelting conductive electrode according to claim 2, characterized in that: Two electrode rod insulating sleeves (6) are arranged on the left side of the two electrode rod loose flanges (5); two electrode rod insulating pads (7) are arranged on the left side of the two electrode rod insulating sleeves (6); the right side of the two electrode rod insulating pads (7) is movably connected to the left side of the two electrode rod insulating sleeves (6); two skeleton oil seals (8) are arranged on the inner side of the two electrode rod insulating pads (7); electrode rod retaining rings B (9) are arranged on the left side of the two skeleton oil seals (8); two electrode rod oil inlet rings (10) are arranged on the left side of the two electrode rod retaining rings B (9); two electrode rod oil inlet rings (10) are arranged on the left side of the two electrode rod oil inlet rings (10); two electrode rod insulating sleeves (12) are arranged on the right side of the two electrode rod retaining rings (11); two electrode rod lower support plates (13) are arranged on the outer side of the two electrode rod insulating sleeves (12); the inner side of the two electrode rod lower support plates (13) are movably connected to the surface of the two electrode rod insulating sleeves (12).

4. The electroslag remelting conductive electrode according to claim 3, characterized in that: Two electrode rod insulating pads four (14) are arranged on the left side of the two electrode rod lower support plates (13), and electrode rod insulating sleeves four (15) are arranged on the outside of the two electrode rod insulating pads four (14). Electrode rod insulating sleeves five (16) are arranged on the left side of the electrode rod insulating sleeves four (15), and electrode rod insulating sleeves three (17) are arranged on the inner side of the two electrode rod insulating sleeves five (16). Two electrode rod upper support plates (18) are arranged on the left side of the electrode rod insulating sleeves three (17). The two electrode rod upper support plates (18) are arranged on the right side. Two electrode rod insulating pads (19) are arranged on the side, two tie rod assembly welds (20) are arranged on the right side of the two electrode rod insulating pads (19), two electrode rod limiting sleeves (21) are arranged on the inner side of the two tie rod assembly welds (20), electrode rod guide keys (22) are arranged on the inner side of the two electrode rod limiting sleeves (21), ball screw assemblies (23) are arranged on the inner side of the two electrode rod guide keys (22), and the ball screw assemblies (23) extend through the electrode rod conductive seat (1) and the outer side of the electrode rod slip-on flange (5).

5. The electroslag remelting conductive electrode according to claim 4, characterized in that: An electrode rod collision block assembly (24) is arranged outside the ball screw assembly (23), an electrode rod insulation pad 2 (25) is arranged outside the electrode rod collision block assembly (24), an electrode rod insulation sleeve 2 (26) is arranged on the right side of the electrode rod insulation sleeve 2 (25), an electrode rod travel switch frame (27) is arranged on the left side of the electrode rod insulation sleeve 2 (26), an electrode rod cylinder sleeve (28) is arranged below the electrode rod travel switch frame (27), a cylinder (29) is arranged on the right side of the electrode rod cylinder sleeve (28), and four guide wheel assemblies 1 (30) are arranged on the left side of the cylinder (29), four guide wheel assemblies 2 (31) are arranged on the outer side of the four guide wheel assemblies 1 (30), and electrode rod contact bearings are arranged on the outer side of the four guide wheel assemblies 2 (31). The electrode rod wiring board (32) is provided with an electrode rod insulating pad (33) on the right side of the electrode rod insulating pad (33), an electrode rod gasket (34) is provided on the right side of the electrode rod gasket (34), an electrode rod pneumatic chuck (35) is provided on the inner side of the electrode rod gasket (34), an auxiliary electrode (36) is provided on the right side of the electrode rod pneumatic chuck (35), a steel ball (37) is provided on the right side of the auxiliary electrode (36), an electrode rod insulating sleeve five (16) is provided on the left side of the steel ball (37), an electrode rod insulating pad six (39) is provided on the right side of the electrode rod insulating pad six (39), an electrode rod pneumatic clamp (40) is provided on the left side of the electrode rod pneumatic clamp (40), and an electrode rod conductive flange (41) is provided on the right side of the electrode rod pneumatic clamp (40).

6. The electroslag remelting conductive electrode according to claim 5, characterized in that: An O-ring 1 (42) is arranged on the left side of the electrode rod conductive flange (41), two O-ring 2 (43) are arranged on the right side of the O-ring 1 (42), two O-ring 3 (44) are arranged on the right side of the two O-ring 2 (43), two O-ring 4 (45) are arranged on the right side of the two O-ring 3 (44), O-ring 5 (46) are arranged on the right side of the two O-ring 4 (45), and guide wheel base 1 (47) is arranged on the right side of the two O-ring 5 (46).

7. The electroslag remelting conductive electrode according to claim 6, characterized in that: A guide wheel shaft (48) is arranged on the right outer side of the guide wheel base (47); a guide wheel adjustment pad (49) is arranged on the inner side of the guide wheel shaft (48); a deep groove ball bearing (50) is arranged on the inner side of the guide wheel adjustment pad (49); a guide wheel adjustment sleeve (51) is arranged on the inner side of the deep groove ball bearing (50); an electrode rod guide wheel (52) is arranged on the right side of the guide wheel adjustment sleeve (51); and a guide wheel pressure (53) is arranged on the right side of the electrode rod guide wheel (52).

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