Large supporting roller welding system

Abstract

The utility model discloses a large back-up roll welding system, which belongs to the technical field of welding, and comprises a plurality of welding machines and a fixed station, the welding machines are arranged on the fixed station and can move on the fixed station, the fixed station is provided with a fixed slideway and a movable chain, the movable chain is connected with a chain motor, and the side surface of the fixed station is provided with a fixed chain. A driven wheel making contact with the fixed sliding way and used for moving is vertically arranged at the bottom of the welding machine, a movable inserting plate capable of being inserted into the movable chain to achieve fixing is arranged on the welding machine, the side face of the welding machine extends downwards to be horizontally provided with a driving wheel, and the driving wheel is driven by a gear motor and meshed with the fixed chain in a matched mode. According to the utility model, the rapid walking of a single welding machine and the synchronous slow walking of all welding machines can be effectively realized, the welding synchronism of a plurality of welding machines is ensured, the problem that the single-layer welding thicknesses of different welding heads are different is solved, and the invalid waiting time is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field especially a large -scale support roll welding system. BACKGROUND

[0002] In the process of using traditional submerged arc welding equipment to build up welding large -scale support roll or shaft product, first make support roll or shaft product realize circumferential direction rotation, large -scale support roll total length is longer size is bigger, and the build up welding equipment needs multiple welding machine heads, each welding machine bottom is equipped with independent walking motor, and the walking motor drives the gear under the welding machine to move on the rack, because the rack stroke is limited, therefore each welding machine head is only responsible for building up welding a section area, multiple machine heads are sequentially determined starting build up welding position according to the principle of equally dividing support roll total length, when all welding machine heads are according to slow walking spiral build up welding complete work length, then multiple machine heads are uniformly moved back to starting build up welding position. When multiple welding machine heads simultaneously carry out slow spiral welding, the welding walking speed is slow, and about 25mm is walked in 20min, under such slow walking speed, there is servo adjustment error, and walking speed of multiple machine heads is difficult to guarantee consistent speed, even slight deviation also easily leads to the problem of different single layer welding thickness of different welding machine heads, and influences welding quality. Meanwhile, multiple welding machine heads need to be welded simultaneously, so as to move the multiple welding machine heads to starting position, because of deviation of welding speed or equipment failure in the welding process, multiple welding machine heads are not synchronized in welding completion time, and multiple welding machine heads wait for a welding joint situation often occurs, invalid waiting time is longer, and efficiency is low. CONTENT OF THE UTILITY MODEL

[0003] The utility model needs to solve the technical problem to provide a large -scale support roll welding system, can realize the fast walking of single welding machine and the synchronous slow walking of all welding machines, and each welding machine can be individually controlled and can be controlled synchronously.

[0004] In order to solve the above technical problem, the technical scheme that the utility model adopts is as follows: a large -scale support roll welding system, including several welding machines and fixed platform, welding machine is set up on fixed platform, can move on fixed platform, fixed platform is provided with fixed slide and movable chain, movable chain is connected with chain motor, and chain motor can drive movable chain and fixed slide to produce relative movement, and fixed chain is arranged on the side surface of fixed platform, and passive wheel for moving is vertically arranged on the bottom of welding machine and is in contact with fixed slide, movable insertion plate for realizing fixation is arranged on the welding machine, and driving wheel is horizontally arranged and extends downward on the side surface of welding machine, driving wheel is driven by gear motor, clutch is arranged on gear motor, and driving wheel is engaged with fixed chain.

[0005] The further improvement of the utility model technical scheme lies in: the fixed platform is two platforms with parallel and consistent height, one platform surface is flat as a fixed slide, the other platform is provided with a movable chain, the chain motor is arranged between the two platforms, and the platform with the movable chain is inlaid with a fixed chain on the outer side.

[0006] The further improvement of the utility model technical scheme lies in: the welding machine bottom side is vertically provided with a single column of passive wheels, and the other side is provided with a movable plugboard.

[0007] The further improvement of the utility model technical scheme lies in: the fixed platform is a whole platform, the movable chain is inlaid in the middle of the platform, and the movable chain two side surfaces are flat as fixed slides.

[0008] The further improvement of the utility model technical scheme lies in: the welding machine bottom is vertically provided with two columns of passive wheels, which are respectively located at the two sides of the bottom, and the movable plugboard is arranged in the middle of the welding machine.

[0009] The further improvement of the utility model technical scheme lies in: the movable plugboard middle part is provided with a long hole, the bottom is provided with a barb, the welding machine main body surface is provided with a recess, the recess is opposite to the long hole, and the recess is provided with a matched bolt.

[0010] The further improvement of the utility model technical scheme lies in: the chain motor and the movable chain are connected through an output gear on the output shaft of the chain motor, and the output gear and the movable chain are mutually engaged.

[0011] Due to the adoption of the above technical scheme, the utility model has the following technical progress: through the setting of the movable chain capable of moving relative to the fixed slide, the setting of the movable plugboard on each welding machine, the adjustment of the position of the movable plugboard on each welding machine and the insertion of the movable plugboard into the movable chain, the simultaneous pulling of the movable chain and the movement of multiple welding machines, the synchronous slow walking of all welding machines is realized, the synchronization of multiple welding machines is effectively ensured, the problem of different single-layer welding thicknesses of different welding machine heads is solved, and the invalid waiting time is reduced. Through the setting of the fixed chain on the side and the driving wheel on each welding machine, the independent fast walking of a single welding machine is realized, so as to cope with different working conditions. DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor;

[0013] Figure 1is a top view of the fixed table of the embodiment one of the utility model;

[0014] Figure 2 is a top view of the fixed table of the embodiment two of the utility model;

[0015] Figure 3 is the front view of the welding machine of the embodiment one of the utility model;

[0016] Figure 4 is the front view of the welding machine of the embodiment two of the utility model;

[0017] Wherein, 1, movable chain, 2, fixed slide, 3, chain motor, 4, fixed chain, 5, driving wheel, 6, welding machine, 7, driven wheel, 8, movable plugboard, 9, gear motor, 10, clutch. Specific embodiments

[0018] The utility model will be further explained in detail in combination with embodiments:

[0019] Embodiment one:

[0020] As shown in Figure 1 , Figure 3 It is the structural schematic view of a large supporting roller welding system in embodiment one, including several welding machines 6 and fixed tables, and the fixed table is as shown in Figure 1 It is two parallel and consistent height platforms, one platform surface is flat for fixed slide, and the other platform is provided with movable chain 1, and chain motor 3 is servo motor and is arranged between the two platforms, and the output shaft of chain motor 3 is provided with output gear, and the output gear is engaged with movable chain 1, and the movement of movable chain 1 can be driven by the rotation of the output shaft of chain motor 1, to realize the movement of movable chain 1 on the platform surface relative to fixed slide.The outer side of the platform provided with movable chain 1 is inlaid with fixed chain 4, and the extension direction of fixed chain 4 is consistent with the direction of the platform, and the lower side of fixed chain 4 on the side surface is provided with support groove. Figure 3As shown, it is a structural diagram of each welding machine 6, the bottom of the welding machine 6 is vertically provided with a column of passive wheels 7, and the other side is provided with a movable plug plate 8 which can be inserted into the movable chain 1 to realize fixation. The middle of the movable plug plate 8 is provided with a long hole, and the bottom is provided with a barb, which can be better and more stably inserted and fixed on the movable chain 1. The surface of the main body of the welding machine 6 is provided with a recess, and the recess is opposite to the long hole. The recess is provided with a matching bolt, that is, the movable plug plate 8 is fixed on the surface of the main body of the welding machine 6 by the bolt. The long hole can realize the adjustment of the up and down position of the movable plug plate. The side of the welding machine provided with the movable plug plate 8 extends downward and is provided with a horizontal supporting end, and the supporting end is provided with a horizontal driving wheel 5. The supporting wheel below the supporting end is in contact with the fixed slide. The passive wheel 7 of the welding machine 6 is in contact with the fixed slide. The supporting wheel of the supporting end enters the side supporting groove of the platform, and cooperates with the passive wheel 7 to realize the bearing of the welding machine 6 on the fixed table. The driving wheel 5 is matched with the fixed chain 4 to realize engagement and fixation. The supporting end is provided with a gear motor 9, and the gear motor 9 is provided with a clutch. The driving wheel 5 is driven by the gear motor 9. When all the welding machines are synchronized and slowly walked, the bolt of the movable plug plate is loosened, the position of the long hole is adjusted, the movable plug plate is inserted into the movable chain 1, and then the bolt is tightened. At this time, the clutch 10 of the gear motor 9 works, the driving wheel 5 is not driven by the gear motor 9, and rotates normally and freely. The movable chain 1 can simultaneously drive all the welding machines to walk slowly. When each welding machine needs to walk quickly, the movable plug plate 8 is retracted, the clutch 10 does not work, the gear motor 9 drives the driving gear 5 to rotate on the fixed chain 4, and then the welding machine moves quickly.

[0021] Example two:

[0022] As shown in Figure 2 , 4 , it is a structural diagram of a large supporting roller welding system in example two. This embodiment is based on the adjustment and improvement of the fixed table form, the position of the movable chain, and the corresponding passive wheel and movable plug plate position of the welding machine in example one. The rest is the same. This improvement can make it more convenient to hoist the welding machine later. As shown in Figure 2 , the fixed table in this embodiment is a whole platform, and the movable chain 1 is embedded in the middle of the platform. The surfaces on both sides of the movable chain 1 are flat and form a fixed slide. In order to cooperate with this fixed table, the bottom of the main body of the welding machine 6 is vertically provided with two columns of passive wheels 7, which are respectively located on both sides of the bottom. The movable plug plate 8 is arranged in the middle of the welding machine 6.

[0023] The above-described embodiments are merely preferred embodiments of the present application, and are not intended to limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A large support roller welding system comprising a number of welding machines (6) and a stationary table on which the welding machines (6) are arranged to be movable, characterized in that: The fixed platform is provided with a fixed slide (2) and a movable chain (1), the movable chain (1) is connected with a chain motor (3), the chain motor (3) can drive the movable chain (1) and the fixed slide (2) to move relatively, the fixed platform is provided with a fixed chain (4) on the side, the welding machine (6) is vertically provided with a driven wheel (7) at the bottom, which is in contact with the fixed slide (2) for movement, the welding machine (6) is provided with a movable insertion plate (8) which can be inserted into the movable chain (1) to realize fixation, the welding machine (6) is horizontally provided with a driving wheel (5) extending downward on the side, the driving wheel (5) is driven by a gear motor (9), the gear motor (9) is provided with a clutch (10), the driving wheel (5) is engaged with the fixed chain (4).

2. A large backup roll welding system as claimed in claim 1, characterized in that: The fixed platform is two parallel platforms with consistent height, one platform is flat as a fixed slide, and the other platform is provided with a movable chain (1), the chain motor (3) is arranged between the two platforms, and the platform outside the movable chain (1) is embedded with a fixed chain (4).

3. A large backup roll welding system as claimed in claim 2, characterized in that: The welding machine (6) is vertically provided with a single column driven wheel (7) on one side of the bottom, and the other side is provided with a movable insertion plate (8).

4. A large backup roll welding system as claimed in claim 1, characterized in that: The fixed platform is a whole platform, and the movable chain (1) is embedded in the middle of the platform, and the surfaces on both sides of the movable chain (1) are flat as fixed slides (2).

5. A large backup roll welding system as claimed in claim 4, characterized in that: The welding machine (6) is vertically provided with two columns of driven wheels (7) at the bottom, respectively on both sides of the bottom, and the movable insertion plate (8) is arranged in the middle of the welding machine (6).

6. A large backup roll welding system as claimed in any one of claims 1 to 5, characterized in that: The movable insertion plate (8) is provided with a long hole in the middle and a barb at the bottom, and the welding machine (6) is provided with a recess on the surface of the main body, the recess is opposite to the long hole, and the recess is provided with a matching bolt.

7. A large backup roll welding system as claimed in claim 6, characterized in that: The chain motor (3) and the movable chain (1) are connected in a way that an output gear is sleeved on the output shaft of the chain motor (3), and the output gear is engaged with the movable chain (1).

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