Multi-layer ordered surfacing equipment for surfacing surface of roller body

Abstract

The invention discloses multi-layer ordered surfacing equipment for surfacing the surface of a roller body, which relates to the field of surfacing of roller bodies and comprises a welding gun head, an arc-shaped frame, a welding surface treatment component, a cooling area extension plate, a U-shaped frame, a carrier plate, a first oil cylinder, an L-shaped plate, a second oil cylinder and a rod frame. According to the method, the mode that the distance between the two welding gun heads is determined according to the displacement X within the shortest cooling time is adopted, the two welding gun heads are distributed in a staggered mode according to the seam repairing welding structure, and next-layer surfacing can be rapidly conducted on the completely-cooled part within the shortest time in the upper-layer surfacing process; meanwhile, different-thickness secondary surfacing is conducted on a surfacing layer track gap of the upper surfacing layer; the two welding gun heads move back by at least two horizontal displacements, so that the two welding gun heads are both located on the surface of the cleaned and cooled roller body to be welded to carry out surfacing of a new layer, the effect of orderly surfacing is achieved, the surfacing time is greatly shortened, and the efficiency is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of roller body surfacing, in particular to a multi-layer ordered surfacing device for roller body surface surfacing. BACKGROUND

[0002] Submerged arc welding is a welding method that uses the heat generated by the electric arc to melt the welding wire and flux. It is performed using automatic or semi-automatic welding equipment that can advance in a predetermined direction to complete the welding operation. In the process of surfacing large-diameter, long rollers, existing surfacing equipment has a single surfacing method and slow surfacing speed. The surfacing site cools for a long time, so that the surfacing implementation structure cannot be positioned in the first cooled section, resulting in a long overall completion time and low efficiency. Therefore, a multi-layer ordered surfacing device for roller body surface surfacing is proposed to solve the above problems. SUMMARY

[0003] The purpose of the present application is to provide a multi-layer ordered surfacing device for roller body surface surfacing to solve the above problems.

[0004] The present application achieves the above-mentioned purpose by the following technical scheme: a multi-layer ordered surfacing device for roller body surface surfacing, comprising a welding gun head, an arc-shaped frame, a welding surface treatment assembly, a cooling zone extension plate, a U-shaped frame, a carrier plate, a first oil cylinder, an L-shaped plate, a second oil cylinder, and a rod holder. Two welding gun heads are respectively installed on two welding seats, and the distance between the two welding gun heads is determined by the displacement X of the already surfacing surface of the roller to be welded within the shortest cooling time. One welding seat is fixedly installed at the bottom end of the U-shaped frame, and the top end of the U-shaped frame is connected to the output end of the first oil cylinder. The other welding seat is fixedly installed at one end of the cooling zone extension plate, and the two first guide rails on the cooling zone extension plate are interactively connected to the same first sliding seat connected to the bottom of the carrier plate. The welding surface treatment assembly comprises a sand disc and a needle brush disc. A set of sand discs and a set of needle brush discs are fixedly installed on the bottom rod of the same rod holder by being staggered. The middle position of the rod at the top of the rod holder is fixedly connected to the output end of the second oil cylinder by bolts. The cylinder end of the second oil cylinder is fixedly connected to the bottom end of the L-shaped plate.

[0005] Preferably, the edge sand surface part of the sand disc is located in the gap of the welding layer track.

[0006] Preferably, the needle brush part of the needle brush disc contacts the surface where the welding layer track is located.

[0007] Preferably, the U-shaped frame partially passes through the strip-shaped hole on the cooling zone extension plate, and the cylinder part of the first oil cylinder is fixedly connected to the corresponding part of the carrier plate.

[0008] Preferably, the top end of the L-shaped plate and one side of the carrier plate are fixedly connected to each other, and second slide seats are installed alternately on the upper and lower sides of the L-shaped plate.

[0009] Preferably, the second slides are slidably connected to the corresponding second guide rails, and a lead screw connection hole seat is installed on the surface of the L-shaped plate between the two second slides.

[0010] Preferably, the first slide seat is provided with screw holes distributed therein, and a positioning bolt is installed inside each screw hole, and the bottom end surface of the positioning bolt is in tight contact with the surface of the first guide rail located in the first slide seat.

[0011] Preferably, the x in the displacement X is a portion that is completely cooled within at least 30 minutes and can be subjected to secondary surfacing.

[0012] Preferably, the two welding gun heads respectively pass through the blanking holes located in the middle of the two arc-shaped frames, and one end of a welding material conduit is extended into the interior of each arc-shaped frame, and the surfacing welding movement track of one welding gun head and the surfacing welding movement track of the other welding gun head are staggered to form a patch welding structure. The beneficial effects of the present invention are as follows: the spacing between the two welding gun heads is determined by the displacement X within the shortest cooling time, and the two welding gun heads are arranged in a staggered distribution with a seam-filling welding structure, so that the next layer of surfacing can be quickly performed on the completely cooled part in the shortest time while the previous layer of surfacing is in progress, and at the same time, different thicknesses of surfacing can be performed again on the track gap of the previous layer of surfacing; the two welding gun heads are both moved back by at least two horizontal displacements, so that the two welding gun heads are both located on the cleaned and cooled surface of the roller body to be welded to perform the surfacing of the new layer, thereby achieving the effect of orderly surfacing, greatly shortening the surfacing time, and achieving high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only 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.

[0014] Figure 1 Schematic diagram of the position distribution between the overall structure of the present invention and the roller body to be welded; Figure 2 A three-dimensional diagram of the overall structure of the present invention; Figure 3 This is a schematic diagram of the connection structure of the welding gun head of the present invention; Figure 4 for Figure 1 Front view in the middle running state; Figure 5 for Figure 2 Front view of the middle structure; Figure 6 for Figure 1 Front view of the vehicle in the middle running state.

[0015] In the figure: 1. welding seat; 110. welding gun head; 120. welding material conduit; 2. arc frame; 210. blanking hole; 3. welding surface treatment component; 310. sand tray; 320. needle brush plate; 4. cooling zone extension plate; 410. strip hole; 420. first guide rail; 5. U-shaped frame; 6. carrier plate; 7. first slide; 710. positioning bolt; 8. first oil cylinder; 9. L-shaped plate; 910. second guide rail; 920. second slide; 930. screw connecting hole seat; 10. second oil cylinder; 11. rod frame; 12. roller body to be welded; 13. welding layer track. DETAILED DESCRIPTION

[0016] In order to make the purposes, features, and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below 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 work are within the scope of protection of the present invention.

[0017] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific implementation methods.

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] See also Figures 1-6As shown, a multilayer ordered surfacing device for roller body surface surfacing includes a welding gun head 110, an arc-shaped frame 2, a welding surface treatment assembly 3, a cooling area extension plate 4, a U-shaped frame 5, a carrier plate 6, a first oil cylinder 8, an L-shaped plate 9, a second oil cylinder 10, and a rod holder 11. Two welding gun heads 110 are respectively installed on two welding seats 1, and the spacing between the two welding gun heads 110 is determined by the displacement X of the already surfacing surface on the roller body within the shortest cooling time. One welding seat 1 is fixedly installed at the bottom end of the U-shaped frame 5, and the top end of the U-shaped frame 5 is connected with the output end of the first oil cylinder 8. The other welding seat 1 is fixedly installed at one end of the cooling area extension plate 4, and two first guide rails 420 located on the cooling area extension plate 4 are interactively connected with the same first sliding seat 7 connected with the bottom of the carrier plate 6. Two welding gun heads 110 pass through the blanking holes 210 located in the middle of the two arc-shaped frames 2, and one end of the welding material guide pipe 120 extends into each arc-shaped frame 2. The welding moving track of one welding gun head 110 and the welding moving track of the other welding gun head 110 form a gap welding structure through misalignment. The x in the displacement X is the part that can be implemented for secondary surfacing after complete cooling within at least 30 min. Since the roller body surface surfacing is different from the linear welding of metal plates, the surfacing welding track of the roller body surface is spiral, and the adjacent spacing between the already surfaced spiral part and the part being implemented for running welding is small, which causes the cooling speed of the already surfaced spiral part to be affected by the high-temperature heat environment of the adjacent part being implemented for running welding. At the same time, the large-diameter and long roller body has a slow surfacing speed for each circle, which causes the cooling level area for implementing welding to be extremely small, i.e., the displacement X is extremely small, so that the time required to reach the smallest implementable horizontal displacement X (cooling level area) is at least 30 min. Therefore, the horizontal displacement X (cooling level area) of one welding gun head 110 within 30 min is used as the spacing distance for position adjustment of the other welding gun head 110, so as to ensure that the other welding gun head 110 enters the part that can be implemented for secondary surfacing after complete cooling. The welding slag can also be cleaned away within the x range of the displacement X by using the welding surface treatment assembly 3, so as to avoid the mixing of residues in the secondary surfacing layer welding and the implementation of repeated heating surfacing in the short-time and short-distance range of incomplete or low-temperature cooling parts, which causes the grain size of the welding heat affected zone to be coarse and the joint toughness to be reduced, and improves the welding connection strength between the surfacing layers. When the other welding gun head 110 moves to the part that can be implemented for secondary surfacing after complete cooling, i.e., in the gap of the welding layer track 13, the thickness of the first layer surfacing is increased, so that the position of the other welding gun head 110 is higher relative to the first welding gun head 110 at this time. Through the gap welding structure formed by misalignment between the welding moving track of one welding gun head 110 and the welding moving track of the other welding gun head 110, different thicknesses of secondary surfacing can be implemented for the gap of the welding layer track 13 of the last layer surfacing. When one of the welding torch heads 110 from the previous layer moves out of the horizontal displacement X from the other end of the to-be-welded roller body 12 and the other welding torch head 110 is just located at the other end of the to-be-welded roller body 12, both welding torch heads 110 are moved up to the same overlaying height by the external lifting machine, and both welding torch heads 110 are moved back by at least two horizontal displacement X, so that both welding torch heads 110 are located on the surface of the cooled to-be-welded roller body 12 after cleaning to implement overlaying of a new layer.

[0020] The welding surface processing assembly 3 includes a sand disc 310 and a needle brush disc 320, a set of sand discs 310 and a set of needle brush discs 320 are fixedly installed on the bottom rod body of the same rod holder 11 through staggered distribution, and are fixedly connected to each other between the middle position of the rod body at the top of the rod holder 11 and the output end of the second oil cylinder 10 through bolts, the cylinder body end of the second oil cylinder 10 is fixedly connected to the bottom end of the L-shaped plate 9, the edge sand surface part of the sand disc 310 is located in the gap of the welding layer track 13, and the needle brush part of the needle brush disc 320 is in contact with the surface where the welding layer track 13 is located. The sand disc 310 in the welding surface processing assembly 3 between the two welding torch heads 110 is placed in the overlaying gap, and the needle brush of the needle brush disc 320 is in contact with the surface where the overlaying is completed, and under the action of the rotation of the to-be-welded roller body 12 and the traction force for the horizontal movement of the welding torch head 110, the welding slag and the welding seam gap can be cleaned for the next overlaying.

[0021] The U-shaped holder 5 partially penetrates through the strip-shaped hole 410 on the cooling area extension plate 4, the cylinder body part of the first oil cylinder 8 is fixedly connected to the corresponding part of the carrier plate 6, the top end of the L-shaped plate 9 is fixedly connected to one side of the carrier plate 6, and the second sliding seat 920 is installed on the side surface of the L-shaped plate 9 in an up-down staggered manner.

[0022] The second sliding seat 920 is slidably connected to the corresponding second guide rail 910, and the lead screw connecting hole seat 930 is installed on the surface of the L-shaped plate 9 between the two second sliding seats 920. The lead screw connecting hole seat 930 can be connected to the external lead screw driving moving device to achieve the horizontal movement effect.

[0023] The first sliding seat 7 is provided with a screw hole, and a positioning bolt 710 is installed in each screw hole. The bottom end surface of the positioning bolt 710 is in tight contact with the surface of the first guide rail 420 in the first sliding seat 7, so as to fix the cooling area extension plate 4 after displacement adjustment.

[0024] Working principle: combined with Figure 5 and Figure 6 shown, under the condition that the large-diameter and long roller body has a slow overlaying speed, the minimum complete cooling time of the overlaying position is 30 min+ . Thus, the horizontal displacement amount X (cooling horizontal area) of one welding torch head 110 within 30 minutes is taken as the interval distance of position adjustment of the other welding torch head 110, so as to ensure that the other welding torch head 110 enters the completely cooled part where the second surfacing can be implemented, and the specific operation is as follows: In combination with the figures shown in Figure 1 , Figure 4 and Figure 6 , the sand disc 310 in the surfacing gap between the two welding torch heads 110 in the surfacing face processing assembly 3 is placed in the surfacing gap, and the needle brush of the needle brush disc 320 contacts the surface where the surfacing has been completed, and under the action of the rotation of the to-be-welded roller body 12 and the traction force for the horizontal movement of the welding torch head 110, the welding slag and the seam gap can be cleaned for the next surfacing. When the other welding torch head 110 moves to the completely cooled part where the second surfacing can be implemented, i.e., in the gap of the surfacing layer track 13, due to the increase of the first layer surfacing thickness, the other welding torch head 110 is higher than the first welding torch head 110 at this time, and the gap of the surfacing layer track 13 of the last layer surfacing can be re-surfaced with different thicknesses by the gap filling welding structure formed by the misalignment between the surfacing movement track of one welding torch head 110 and the surfacing movement track of the other welding torch head 110. When the one welding torch head 110 of the last layer moves out of the horizontal displacement amount X from the other end of the to-be-welded roller body 12 and the other welding torch head 110 is just located at the other end of the to-be-welded roller body 12, both welding torch heads 110 are lifted to the same surfacing height by the external lifting machine, and both welding torch heads 110 are moved back by at least two horizontal displacement amounts X, so that both welding torch heads 110 are located on the cleaned and cooled surface of the to-be-welded roller body 12 to implement the surfacing of the new layer. In summary: the interval distance between the two welding torch heads 110 is determined by the displacement amount X within the shortest cooling time, and the two welding torch heads 110 are arranged in a misaligned distribution of the gap filling welding structure, so that the next layer surfacing can be implemented on the completely cooled part in the shortest time during the last layer surfacing, and the gap of the surfacing layer track 13 of the last layer surfacing can be re-surfaced with different thicknesses. Both welding torch heads 110 are moved back by at least two horizontal displacement amounts X, so that both welding torch heads 110 are located on the cleaned and cooled surface of the to-be-welded roller body 12 to implement the surfacing of the new layer, achieving the effect of orderly surfacing, greatly shortening the surfacing time and improving the efficiency.

[0025] It is apparent to a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and range of equivalency of the claims be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0026] The above-described embodiments are merely intended to illustrate the technical solutions of the present application, but not to limit the present application; even though the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that modifications can still be made to the technical solutions recorded in the foregoing embodiments, or equivalent replacements can be made to some of the technical features; 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 application.

Claims

1. A multi-layer ordered surfacing equipment for roller surface surfacing, characterized by: It comprises a welding gun head (110), an arc frame (2), a welding surface processing component (3), a cooling zone extension plate (4), a U-shaped frame (5), a carrier plate (6) and a first oil cylinder (8), wherein the two welding gun heads (110) are respectively mounted on two welding seats (1), and the distance between the two welding gun heads (110) is determined by the displacement X of the welded surface on the roller body to be welded within the shortest cooling time, one welding seat (1) is fixedly mounted on the bottom end of the U-shaped frame (5), and the top end of the U-shaped frame (5) is connected to the output end of the first oil cylinder (8), and the other welding seat (1) is fixedly mounted on one end of the cooling zone extension plate (4), and the two first guide rails (420) located on the cooling zone extension plate (4) are interactively connected to the same first slide seat (7) connected to the bottom of the carrier plate (6); The welding surface treatment assembly (3) comprises a sanding disc (310) and a needle brush disc (320), wherein a group of sanding discs (310) and a group of needle brush discs (320) are fixedly mounted on the bottom rod body of the same rod frame (11) through staggered distribution, and the middle position of the rod body located at the top of the rod frame (11) and the output end of the second oil cylinder (10) are fixedly connected to each other through bolts, and the cylinder end of the second oil cylinder (10) and the bottom end of the L-shaped plate (9) are fixedly connected to each other, and the edge sand surface portion of the sanding disc (310) is located in the gap of the welding layer track (13).

2. The multi-layer ordered surfacing welding equipment for roller surface surfacing according to claim 1, characterized in that: The needle brush portion of the needle brush disk (320) contacts the surface where the welding layer track (13) is located.

3. The multi-layer ordered surfacing welding equipment for roller surface surfacing according to claim 1, characterized in that: The U-shaped frame (5) partially passes through the strip hole (410) located on the cooling zone extension plate (4), and the cylinder body of the first oil cylinder (8) is fixedly connected to the corresponding part of the carrier plate (6).

4. The multi-layer ordered surfacing welding equipment for roller surface surfacing according to claim 1, characterized in that: The top end of the L-shaped plate (9) and one side of the carrier plate (6) are fixedly connected to each other, and second slide seats (920) are installed alternately on the upper and lower sides of the L-shaped plate (9).

5. The multi-layer ordered surfacing welding equipment for roller surface surfacing according to claim 4, characterized in that: The second slides (920) are slidably connected to the corresponding second guide rails (910), and a lead screw connection hole seat (930) is installed on the surface of the L-shaped plate (9) located between the two second slides (920).

6. The multi-layer ordered surfacing welding equipment for roller surface surfacing according to claim 1, characterized in that: The first slide seat (7) is provided with screw holes distributed therein, and a positioning bolt (710) is installed inside each screw hole, and the bottom end surface of the positioning bolt (710) is in tight contact with the surface of the first guide rail (420) located in the first slide seat (7).

7. The multi-layer sequential surfacing welding equipment for roller surface surfacing according to claim 1, characterized in that: The x in the displacement X is the portion that is completely cooled within at least 30 minutes and can be subjected to secondary surfacing.

8. The multi-layer sequential surfacing welding equipment for roller surface surfacing according to claim 1, characterized in that: The two welding gun heads (110) respectively pass through the blanking holes (210) located in the middle of the two arc frames (2), and one end of a welding material conduit (120) extends into the interior of each arc frame (2), and the surfacing welding movement track of one welding gun head (110) and the surfacing welding movement track of the other welding gun head (110) are offset to form a patch welding structure.

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