CN218476152U - Stable melting nozzle electroslag welding device - Google Patents

Abstract

The utility model provides a stable form melting nozzle electroslag welding device relates to welding set technical field, include: fixing the bottom plate; the left end face of the fixed bottom plate and the right end face of the fixed bottom plate are respectively and fixedly provided with two movable wheels; a fixed column is fixedly connected in the middle of the top end surface of the fixed bottom plate; the upper part of the outer wall of the fixing column is connected with a mounting frame in a fastening way through a bolt. When the welding position is reached, a worker loosens the push-pull handle and simultaneously loosens the control slide block to control the slide block to return along with the resilience of the return spring, the friction block falls down by the control slide block and contacts with the ground to increase the stability of the friction surface area increasing device between the device and the ground, and the problem that once the melting nozzle electroslag welder deviates, the position of the melting nozzle in the metal melting pool is changed due to the deviation, so that the slag in the metal melting pool forms uneven and influences the welding effect is solved.

Description

Stable melting nozzle electroslag welding device

Technical Field

The utility model relates to a welding set technical field, in particular to stable form melting nozzle electroslag welding device.

Background

The high-rise steel structure building has the advantages of high strength, light dead weight, large space, good shock resistance, quick construction and the like, is a welding part with complex technology, is complex to weld, and is used for welding the steel structure of the high-rise building in the building process.

For example, application number is CN 201720012400.3's utility model discloses a tubulose nozzle electroslag welding machine specifically includes the base, the bottom left and right sides of base all is provided with the universal wheel, be provided with the hydraulic tappet in the middle of the top of base, the top of hydraulic tappet is provided with the backup pad, the left end of backup pad is provided with the mounting panel, the inner chamber of mounting panel is pegged graft and is had the tubulose bonding tool, the utility model discloses a bottom at the base sets up the universal wheel, makes things convenient for removal and the location of tubulose nozzle electroslag welding machine, guarantees that the application range of tubulose nozzle electroslag welding machine is comparatively nimble, controls the rising speed of hydraulic tappet through the control electronic box simultaneously, and the welding filler speed that reaches control tubulose bonding tool is comparatively even, through control electronic box control driving motor's slew velocity, makes the welding wire in the welding wire wheel can be even in the inner chamber of entering tubulose bonding tool, guarantees that the welding metal molten bath of tubulose bonding tool is comparatively even.

However, in the conventional melt nozzle electroslag welding machine, the melt nozzle electroslag welding machine is usually placed on the surface of a steel structure to weld the steel structure, but in a welding site, a worker often comes in and goes out continuously, and the melt nozzle electroslag welding machine is easy to deflect when the worker collides with the melt nozzle electroslag welding machine carelessly, and once the melt nozzle electroslag welding machine deflects, the position of the melt nozzle in a metal melting pool is changed due to the deflection of the melt nozzle in the metal melting pool, so that the welding effect is affected due to the uneven formation of slag in the metal melting pool.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a stable form melting nozzle electroslag welding device, it has the clutch blocks that increase device stability, the staff makes the device remove through the removal wheel through pulling push-and-pull handle when using the device, can pull control slider and make control slider slide in push-and-pull handle in the in-process of pulling push-and-pull handle, can drive two driving racks through the control lever and slide in the gliding process of control slider, it rotates to drive two second gears through the slip of driving rack, it rotates to drive the fixed rotating shaft through the rotation of two second gears, it makes two first gears drive two lifting racks to rise through the rotation of fixed rotating shaft, and then drive the clutch blocks through the rising of two lifting racks and can move the device this moment, when arriving the welding position the staff loosens push-and-pull handle and loosens control slider simultaneously; the control slide block resets along with the resilience of the reset spring, and the operations are reversely carried out by resetting the control slide block, so that the friction block falls and contacts with the ground, the friction area between the device and the ground is increased, and the stability of the device is improved.

The utility model provides a stable form melting nozzle electroslag welding device specifically includes: fixing the bottom plate; the left end face of the fixed bottom plate and the right end face of the fixed bottom plate are respectively and fixedly provided with two movable wheels; a fixed column is fixedly connected in the middle of the top end surface of the fixed bottom plate; the upper part of the outer wall of the fixed column is fixedly connected with an installation frame through a bolt; the left end surface of the mounting rack is rotatably connected with a winding roller; the outer wall of the winding roller is wound with a welding wire; the top end surface of the fixed column is rotationally connected with a guide ring in the middle; the right end face of the mounting rack is fixedly connected with an auxiliary rack; a lifting screw rod is rotationally connected in the auxiliary frame; the outer wall of the lifting screw is in threaded connection with a sliding frame; the sliding frame is connected in the auxiliary frame in a sliding manner; the front end face of the fixed bottom plate is fixedly connected with a push-pull handle.

Optionally, a sliding groove is formed in the left end face of the sliding frame; the rear end surface of the sliding groove is connected with a movable screw rod in a rotating way in the middle; the outer wall of the movable screw is in threaded connection with an installation plate; the mounting plate is connected in the sliding groove in a sliding manner; the right end face of the mounting plate is fixedly connected with a welding frame.

Optionally, a group of guide wheel sets is rotatably connected to the upper part of the front end face of the welding frame; a feeding motor is fixedly arranged in the welding frame; the front end surface of the feeding motor is coaxially connected with a feeding wheel; the feeding wheel is aligned with the guide wheel set; the upper part of the front end surface of the welding frame is rotatably connected with a correction wheel; the correcting wheel is aligned with the feeding wheel; the front end face of the welding frame is fixedly connected with a guide frame in the middle.

Optionally, a material storage hopper is fixedly connected to the upper part of the rear end face of the welding frame; a feeding pipe is fixedly arranged on the bottom end surface of the storage hopper; two material pipe clamps are fixedly connected to the outer wall of the feeding pipe through bolts; the rear end surfaces of the two material pipe clamps are fixedly connected to the rear end surface of the welding frame; the upper part of the outer wall of the feeding pipe is fixedly provided with a control ball valve.

Optionally, the lower part of the front end face of the welding frame is fixedly connected with a limiting frame; a limiting groove is formed in the middle of the top end face of the limiting frame in a penetrating mode; the left end face of the limiting groove is fixedly connected with a group of supporting springs; the tail end of the supporting spring is fixedly connected with a first clamping block; the first clamping block is connected in the limiting groove in a sliding manner; a limit screw is connected with the right end face of the limit groove in the middle through threads; the tail end of the limiting screw rod is fixedly connected with a second clamping block; the second clamping block is connected in the limiting groove in a sliding manner; the first clamping block is aligned with the second clamping block; the melting nozzle is clamped between the first clamping block and the second clamping block.

Optionally, a storage chute is formed in the middle of the bottom end surface of the fixed bottom plate; a friction block is connected in the containing chute in a sliding manner; two lifting racks are symmetrically and fixedly connected to the top end face of the friction block; a fixed rotating shaft is rotationally connected in the fixed bottom plate; two first gears are symmetrically and fixedly connected to the outer wall of the fixed rotating shaft; the two first gears are respectively meshed with the two lifting racks; two second gears are symmetrically and fixedly connected to the outer wall of the fixed rotating shaft; the two second gears are respectively aligned with the two first gears; two transmission racks are symmetrically and slidably connected in the front end face of the fixed bottom plate; the two transmission racks are respectively meshed with the two second gears; the front end surfaces of the two transmission racks are respectively and fixedly connected with a control rod; the two control rods are both connected in the push-pull handle in a sliding way; the front end surfaces of the two control rods are fixedly connected with a control slide block; the control slide block is connected in the push-pull handle in a sliding way; the rear end face of the control slide block is symmetrically and fixedly connected with two return springs; the tail ends of the two reset springs are fixedly connected to the front end face of the fixed bottom plate.

Advantageous effects

The utility model discloses can keep the stability of device at the in-process that carries out the solder flux to the architectural steel structure, reduce the skew that the device produced because the collision, reduce the maintenance number of times of staff in welding process and reduce staff's intensity of labour, the condition that the staff need stop welding and carry out the adjustment to the device because the device skew has also been avoided simultaneously, the welding efficiency to the architectural steel structure has been increased, secondly can finely tune the position of nozzle, prevent that the nozzle is not in the intermediate position of molten metal bath at the welded in-process, the inhomogeneous welded effect that influences of slag that forms when leading to the welding.

In addition, when the device is used, a worker pulls the push-pull handle to enable the device to move through the moving wheel, the control slider can be pulled to enable the control slider to slide in the push-pull handle in the process of pulling the push-pull handle, the two transmission racks can be driven to slide through the control rod in the process of sliding the control slider, the two second gears are driven to rotate through the sliding of the transmission racks, the fixed rotating shaft is driven to rotate through the rotation of the two second gears, the two first gears drive the two lifting racks to ascend through the rotation of the fixed rotating shaft, the friction block can be driven to move through the ascending of the two lifting racks, the worker loosens the control slider when the push-pull handle is loosened when the welding position is reached, the control slider resets along with the rebounding of the reset spring, the operation is conducted reversely through the resetting of the control slider, the friction block falls and is in contact with the ground, the friction area between the device and the ground is increased, the stability of the device is further increased, the situation that the worker needs to adjust the welding intensity of the welding process is avoided, and the welding efficiency of the device is increased.

In addition, can make through rotating limit screw and press from both sides tight piece of second and slide in the spacing inslot, finely tune the position of melting nozzle, the second presss from both sides tight piece and can extrude first tight piece spacing inslot and slide at gliding in-process, first pressing from both sides tight piece and still can press from both sides tight fixedly to the melting nozzle under the elastic potential energy that receives extrusion back through supporting spring, prevent that the melting nozzle is not in the intermediate position of molten metal bath at the welded in-process, the inhomogeneous effect that influences the welding of slag that forms when leading to the welding.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to only some embodiments of the invention and are not intended to limit the invention.

In the drawings:

fig. 1 is an axial structural schematic diagram of the present invention.

Fig. 2 is a schematic axial structure view of the rear view of the present invention.

Fig. 3 is a schematic sectional structure diagram of the present invention.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 according to the present invention.

Fig. 5 is a schematic axial structure view from above.

Fig. 6 is an axial structure schematic diagram of the welding frame of the present invention.

Fig. 7 is a schematic view of the cross-sectional axial structure of the present invention.

Fig. 8 is an enlarged schematic structural view of the utility model at B in fig. 7.

Fig. 9 is an enlarged schematic structural view of fig. 7C according to the present invention.

List of reference numerals

1. Fixing the bottom plate; 101. a moving wheel; 102. fixing a column; 103. a mounting frame; 104. a winding roller; 105. welding wires; 106. a guide ring; 107. an auxiliary frame; 108. a lifting screw; 109. a carriage; 110. a sliding groove; 111. moving the screw; 112. welding a frame; 113. a storage hopper; 114. a feed pipe; 115. a control ball valve; 116. a material pipe clamp; 117. a guide wheel set; 118. a correction wheel; 119. a feed wheel; 120. a guide frame; 121. a limiting frame; 122. a limiting groove; 123. a support spring; 124. a first clamping block; 125. a limit screw; 126. a second clamping block; 127. a melting nozzle; 128. a feed motor; 129. a storage chute; 130. a friction block; 131. a lifting rack; 132. fixing the rotating shaft; 133. a first gear; 134. a second gear; 135. a drive rack; 136. a control lever; 137. a push-pull handle; 138. controlling the sliding block; 139. a return spring.

Detailed Description

In order to make the purpose, scheme and advantage of the technical scheme of the utility model clearer, the drawings of the specific embodiment of the utility model will be combined hereafter, and the technical scheme of the embodiment of the utility model is clearly and completely described. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference numerals in the drawings denote like elements.

Example (b): please refer to fig. 1 to fig. 9:

the utility model provides a stable form melting nozzle electroslag welding device, include: a fixed base plate 1;

two moving wheels 101 are respectively fixedly installed on the left end face of the fixed bottom plate 1 and the right end face of the fixed bottom plate 1; a fixed column 102 is fixedly connected to the top end face of the fixed base plate 1 in the middle; the upper part of the outer wall of the fixing column 102 is fixedly connected with an installation frame 103 through a bolt; a winding roller 104 is rotatably connected to the left end surface of the mounting frame 103; the outer wall of the winding roller 104 is wound with a welding wire 105; the top end surface of the fixed column 102 is connected with a guide ring 106 in a rotating manner in the middle; the right end face of the mounting rack 103 is fixedly connected with an auxiliary rack 107; a lifting screw 108 is rotatably connected in the auxiliary frame 107; the outer wall of the lifting screw 108 is in threaded connection with a sliding frame 109; the sliding frame 109 is connected in the auxiliary frame 107 in a sliding manner; the front end face of the fixed bottom plate 1 is fixedly connected with a push-pull handle 137.

In addition, according to the embodiment of the present invention, as shown in fig. 1 and 5, the sliding groove 110 is opened on the left end surface of the sliding frame 109; the rear end face of the sliding groove 110 is connected with a movable screw 111 in a rotating manner in the middle; the outer wall of the movable screw 111 is in threaded connection with an installation plate; the mounting plate is slidably connected in the sliding groove 110; the right-hand member face fixedly connected with welding frame 112 of mounting panel to can drive carriage 109 through rotating lifting screw 108 and carry out longitudinal movement at auxiliary frame 107, can drive welding frame 112 through rotating removal screw 111 and carry out lateral shifting along carriage 109, can relax through the removal of carriage 109 and welding frame 112 and fix a position welding position vertically and transversely, need not to remove the automobile body and fix a position, operate convenient and fast more, increase the welding efficiency of building steel structure.

In addition, according to the embodiment of the present invention, as shown in fig. 1 and fig. 3, a set of guiding wheel set 117 is rotatably connected to the upper portion of the front end surface of the welding frame 112; a feeding motor 128 is fixedly arranged in the welding frame 112; a feeding wheel 119 is coaxially connected to the front end surface of the feeding motor 128; the feeding wheel 119 is aligned with the guide wheel set 117; the upper part of the front end surface of the welding frame 112 is rotatably connected with a correction wheel 118; the correction wheel 118 is aligned with the feed wheel 119; the guide frame 120 is fixedly connected to the front end face of the welding frame 112 in the center, so that in the welding process, a worker pulls the welding wire 105 out to penetrate through the guide ring 106 and then inserts into the guide wheel set 117, then the feeding motor 128 is started to drive the feeding wheel 119 to rotate, the welding wire 105 is gradually sent into a metal molten pool to weld a building steel structure, the welding wire 105 can be guided through the arrangement of the correcting wheel 118 and the guide frame 120 in the welding wire 105 conveying process, and the welding wire 105 is prevented from shifting in the conveying process and affecting the normal operation of subsequent welding.

Furthermore, according to the embodiment of the present invention, as shown in fig. 2, a material storage hopper 113 is fixedly connected to the upper portion of the rear end surface of the welding frame 112; a feeding pipe 114 is fixedly arranged on the bottom end surface of the storage hopper 113; two material pipe clamps 116 are fixedly connected to the outer wall of the feeding pipe 114 through bolts; the rear end surfaces of the two material pipe clamps 116 are fixedly connected to the rear end surface of the welding frame 112; the upper part of the outer wall of the feeding pipe 114 is fixedly provided with a control ball valve 115, so that the welding flux can be stored through the storage hopper 113, the welding flux can flow into a metal melting pool through the feeding pipe 114 to remove oxides on a welding surface by opening the control ball valve 115 in the welding process, the melting point and the surface tension of the welding flux are reduced, the welding temperature is reached as soon as possible, and the flow rate of the welding flux can be adjusted by adjusting the control ball valve 115 to control the input amount of the welding flux.

In addition, according to the embodiment of the present invention, as shown in fig. 3 and 4, a limiting frame 121 is fixedly connected to the lower portion of the front end surface of the welding frame 112; a limiting groove 122 is formed in the center of the top end face of the limiting frame 121; a group of supporting springs 123 are fixedly connected to the left end face of the limiting groove 122; the tail end of the supporting spring 123 is fixedly connected with a first clamping block 124; the first clamping block 124 is slidably connected in the limiting groove 122; a limit screw 125 is connected to the right end face of the limit groove 122 through a central thread; the tail end of the limit screw 125 is fixedly connected with a second clamping block 126; the second clamping block 126 is slidably connected in the limiting groove 122; the first clamping block 124 is positionally aligned with the second clamping block 126; the nozzle 127 is clamped between the first clamping block 124 and the second clamping block 126, so that the welding wire 105 enters the nozzle 127 through the guide frame 120 in the transportation process and enters a metal molten pool along the nozzle 127 to be welded, the position of the nozzle 127 can be finely adjusted by rotating the limiting screw 125, and the nozzle 127 is prevented from not being located in the middle of the metal molten pool in the welding process, so that the welding effect is prevented from being influenced by uneven slag formed in the welding process.

In addition, according to the embodiment of the present invention, as shown in fig. 8 and 9, a receiving chute 129 is formed in the middle of the bottom end surface of the fixed bottom plate 1; a friction block 130 is connected in the accommodating chute 129 in a sliding manner; the top end face of the friction block 130 is symmetrically and fixedly connected with two lifting racks 131; a fixed rotating shaft 132 is rotatably connected in the fixed base plate 1; two first gears 133 are symmetrically and fixedly connected to the outer wall of the fixed rotating shaft 132; the two first gears 133 are respectively meshed with the two lifting racks 131; two second gears 134 are symmetrically and fixedly connected to the outer wall of the fixed rotating shaft 132; the two second gears 134 are aligned with the two first gears 133, respectively; two transmission racks 135 are symmetrically connected in a sliding manner in the front end face of the fixed bottom plate 1; the two transmission racks 135 are respectively meshed with the two second gears 134; the front end surfaces of the two transmission racks 135 are respectively and fixedly connected with a control rod 136; the two control rods 136 are both connected in the push-pull handle 137 in a sliding manner; the front end surfaces of the two control rods 136 are fixedly connected with a control slide block 138; the control slider 138 is slidably connected in the push-pull handle 137; the rear end face of the control slider 138 is symmetrically and fixedly connected with two return springs 139; the tail ends of the two return springs 139 are fixedly connected to the front end face of the fixed bottom plate 1, so that in the moving process, a worker pulls the push-pull handle 137 to enable the device to move through the moving wheel 101, in the pulling process, the control slider 138 can be pulled to enable the control slider 138 to slide in the push-pull handle 137, in the sliding process of the control slider 138, the two transmission racks 135 are driven to slide through the control rod 136, the two second gears 134 are driven to rotate through the sliding of the transmission racks 135, the fixed rotating shaft 132 is driven to rotate through the rotation of the two second gears 134, the two first gears 133 drive the two lifting racks 131 to ascend through the rotation of the fixed rotating shaft 132, then the movable friction block 130 is driven through the ascending of the two lifting racks 131 to move the device, and when the welding position is reached, the worker loosens the push-pull handle 137 and loosens the control slider 138; the control slide block 138 is reset along with the resilience of the reset spring 139, the operations are reversely performed through the reset of the control slide block 138, the friction block 130 falls and contacts with the ground, the friction area between the device and the ground is increased, the stability of the device is further increased, the device is prevented from being collided in the welding process to cause the position of the melting nozzle 127 to deviate, and the welding effect is influenced due to the uneven forming of slag in the metal melting pool.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in-process staff at the use makes the device remove through removing wheel 101 through pulling push-and-pull handle 137, can stimulate control slider 138 at the in-process of pulling push-and-pull handle 137 and make control slider 138 slide in push-and-pull handle 137, can drive two transmission racks 135 through control lever 136 and slide at the gliding in-process of control slider 138, slide through transmission rack 135 and drive two second gears 134 and rotate, rotate through the rotation of two second gears 134 and drive fixed rotating shaft 132 and rotate, rotate through fixed rotating shaft 132 and make two first gears 133 drive two lifting racks 131 and rise, and then can remove the device this moment through the rising drive friction block 130 of two lifting racks 131, when reacing welding position staff loosens push-and-pull handle 137 and loosens control slider 138; the control slide block 138 is reset along with the resilience of the reset spring 139, the operations are reversely performed by the reset of the control slide block 138, the friction block 130 falls and contacts with the ground, the friction area between the device and the ground is increased, the stability of the device is further increased, the device is prevented from being collided in the welding process to cause the position of the melting nozzle 127 to deviate, the formation of slag in the metal melting bath is not uniform, the welding effect is affected, the sliding frame 109 can be driven to longitudinally move on the auxiliary frame 107 by rotating the lifting screw 108, the welding frame 112 can be driven to transversely move along the sliding frame 109 by rotating the movable screw 111, the welding positions can be easily positioned longitudinally and transversely by moving the sliding frame 109 and the welding frame 112, the vehicle body does not need to be moved for positioning, the operation is more convenient and rapid, and the welding efficiency of the building steel structure is increased, during welding, a worker pulls the welding wire 105 out of the guide ring 106 and inserts the welding wire into the guide wheel set 117, then the feeding motor 128 is started to drive the feeding wheel 119 to rotate so as to gradually feed the welding wire 105 into a metal molten pool for welding a building steel structure, the welding wire 105 can be guided by the arrangement of the correcting wheel 118 and the guide frame 120 during the conveying process of the welding wire 105, the welding wire 105 is prevented from deviating during the conveying process and influencing the normal operation of subsequent welding, the welding wire 105 enters the molten pool 127 through the guide frame 120 during the transportation process and enters the metal molten pool along the molten pool 127 for welding, the position of the molten pool 127 can be finely adjusted by rotating the limiting screw 125, the molten pool 127 is prevented from being in the middle position of the metal molten pool during the welding process, so that slag formed during welding is prevented from unevenly influencing the welding effect, and the welding flux can be stored through the storage hopper 113, during welding, the control ball valve 115 is opened to enable the welding flux to flow into a metal melting pool through the feeding pipe 114 to remove oxides on a welding surface, reduce the melting point and surface tension of the welding flux and reach the welding temperature as soon as possible, and the flow rate of the welding flux can be adjusted by adjusting the control ball valve 115 to control the input amount of the welding flux.

Finally, it should be noted that the present invention is generally illustrated by one/a pair of components when describing the positions of the components and the matching relationship between the components, etc., however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other components/other paired components.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims (6)

1. A stable form melting nozzle electroslag welding device, characterized by comprising: a fixed base plate (1); two moving wheels (101) are respectively and fixedly installed on the left end face of the fixed bottom plate (1) and the right end face of the fixed bottom plate (1); a fixed column (102) is fixedly connected to the top end face of the fixed bottom plate (1) in the middle; the upper part of the outer wall of the fixing column (102) is fixedly connected with an installation frame (103) through bolts; the left end face of the mounting rack (103) is rotatably connected with a winding roller (104); a welding wire (105) is wound on the outer wall of the winding roller (104); the top end surface of the fixed column (102) is connected with a guide ring (106) in a rotating mode in the middle; the right end face of the mounting rack (103) is fixedly connected with an auxiliary rack (107); a lifting screw rod (108) is rotationally connected in the auxiliary frame (107); a sliding frame (109) is connected to the outer wall of the lifting screw (108) in a threaded manner; the sliding frame (109) is connected in the auxiliary frame (107) in a sliding manner; the front end face of the fixed bottom plate (1) is fixedly connected with a push-pull handle (137).

2. The stable electroslag welding device with the melting nozzle as recited in claim 1, wherein: a sliding groove (110) is formed in the left end face of the sliding frame (109); the rear end surface of the sliding groove (110) is connected with a movable screw (111) in a rotating way in the middle; the outer wall of the movable screw rod (111) is in threaded connection with an installation plate; the mounting plate is connected in the sliding groove (110) in a sliding way; the right end face of the mounting plate is fixedly connected with a welding frame (112).

3. A stable electroslag welding device with a melting nozzle as defined in claim 2, wherein: the upper part of the front end surface of the welding frame (112) is rotatably connected with a group of guide wheel sets (117); a feeding motor (128) is fixedly arranged in the welding frame (112); the front end surface of the feeding motor (128) is coaxially connected with a feeding wheel (119); the feeding wheel (119) is aligned with the guide wheel set (117); the upper part of the front end surface of the welding frame (112) is rotatably connected with a correction wheel (118); the correcting wheel (118) is aligned with the feeding wheel (119); the front end surface of the welding frame (112) is fixedly connected with a guide frame (120) in the middle.

4. A stable electroslag welding device with a melting nozzle as defined in claim 2, wherein: the upper part of the rear end face of the welding frame (112) is fixedly connected with a material storage hopper (113); a feeding pipe (114) is fixedly arranged on the bottom end surface of the storage hopper (113); two material pipe clamps (116) are fixedly connected to the outer wall of the feeding pipe (114) through bolts; the rear end surfaces of the two material pipe clamps (116) are fixedly connected to the rear end surface of the welding frame (112); the upper part of the outer wall of the feeding pipe (114) is fixedly provided with a control ball valve (115).

5. A stable electroslag welding device with a melting nozzle as defined in claim 2, wherein: the lower part of the front end face of the welding frame (112) is fixedly connected with a limiting frame (121); a limiting groove (122) penetrates through the top end face of the limiting frame (121) in the middle; the left end face of the limiting groove (122) is fixedly connected with a group of supporting springs (123); the tail end of the supporting spring (123) is fixedly connected with a first clamping block (124); the first clamping block (124) is connected in the limiting groove (122) in a sliding manner; a limit screw (125) is connected with the right end surface of the limit groove (122) in the middle through threads; the tail end of the limiting screw rod (125) is fixedly connected with a second clamping block (126); the second clamping block (126) is connected in the limiting groove (122) in a sliding manner; the first clamping block (124) is aligned with the second clamping block (126); a melting nozzle (127) is clamped between the first clamping block (124) and the second clamping block (126).

6. The stable electroslag welding device with the melting nozzle as recited in claim 1, wherein: a containing chute (129) is arranged in the middle of the bottom end surface of the fixed bottom plate (1); a friction block (130) is connected in the containing chute (129) in a sliding way; two lifting racks (131) are symmetrically and fixedly connected to the top end face of the friction block (130); a fixed rotating shaft (132) is rotatably connected in the fixed bottom plate (1); two first gears (133) are symmetrically and fixedly connected to the outer wall of the fixed rotating shaft (132); the two first gears (133) are respectively meshed with the two lifting racks (131); two second gears (134) are symmetrically and fixedly connected to the outer wall of the fixed rotating shaft (132); the two second gears (134) are respectively aligned with the two first gears (133); two transmission racks (135) are symmetrically and slidably connected in the front end face of the fixed bottom plate (1); the two transmission racks (135) are respectively meshed with the two second gears (134); the front end surfaces of the two transmission racks (135) are respectively and fixedly connected with a control rod (136); the two control rods (136) are both connected in the push-pull handle (137) in a sliding way; the front end surfaces of the two control rods (136) are fixedly connected with a control slide block (138); the control sliding block (138) is connected in the push-pull handle (137) in a sliding way; the rear end face of the control slide block (138) is symmetrically and fixedly connected with two return springs (139); the tail ends of the two return springs (139) are fixedly connected to the front end face of the fixed bottom plate (1).

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