CN219852585U - But intermediate frequency welding set of preheating treatment - Google Patents

Abstract

The utility model relates to the technical field of medium-frequency welding and discloses a medium-frequency welding device capable of performing preheating treatment, which comprises a workbench, wherein a feeding mechanism and a positioning mechanism are arranged on the workbench, the positioning mechanism comprises a second screw rod and a third screw rod, a sliding block is connected to the second screw rod in a threaded manner, a hydraulic rod is fixed on the sliding block, the output end of the hydraulic rod faces the direction of the workbench and is provided with a first electrode, the third screw rod is connected with a second electrode in a threaded manner, the first electrode and the second electrode are oppositely arranged, an air groove is fixedly connected to the second electrode, the opening of the air groove faces the direction of a material to be welded, a plurality of air holes are formed in the air groove, a plurality of air holes are all connected with telescopic air pipes in a sealing manner, the other ends of the telescopic air pipes are jointly communicated with a hot air mechanism, the device solves the problems that high-temperature material feeding is difficult, the preheating temperature is greatly changed during welding, the operation is simplified, and the welding effect is improved.

Description

But intermediate frequency welding set of preheating treatment

Technical Field

The utility model relates to the technical field of medium-frequency welding, in particular to a medium-frequency welding device capable of performing preheating treatment.

Background

The medium-frequency welding machine is a novel resistance welding machine, utilizes high-temperature electric arcs generated by instantaneous short circuits of positive and negative electrodes to melt a welded workpiece between electrodes, is suitable for welding thick workpieces and high-conductivity metals, improves the frequency of a welding transformer from 50/60Hz of the current commercial power to 1000Hz, greatly reduces the weight of iron core materials, and converts electric energy into direct-current power for welding by a rectifier diode in a secondary loop of the transformer, thereby greatly reducing the production cost and being widely applied.

At present, the intermediate frequency welding device in the market can not preheat before welding, needs to use the preheating furnace to treat the weldment and unify preheat, and the welding is carried out to the welding set on again, and complex operation, work piece material loading difficulty of high temperature state, and when the work piece is great, the welding start and end work piece temperature variation is obvious, influences the welding effect.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the intermediate frequency welding device capable of preheating treatment, which is convenient for feeding and can ensure the preheating temperature of the welding point.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a but intermediate frequency welding set of preheating treatment, includes the workstation, install feed mechanism and positioning mechanism on the workstation, positioning mechanism includes second screw rod and third screw rod, threaded connection has the slider on the second screw rod, be fixed with the hydraulic stem on the slider, the output of hydraulic stem is towards the direction of workstation and install first electrode, threaded connection has the second electrode on the third screw rod, first electrode sets up with the second electrode relatively, fixedly connected with air tank on the second electrode, the opening of air tank is towards the direction of waiting to weld the material, a plurality of gas pockets have been seted up on the air tank, a plurality of equal sealing connection of gas pocket has flexible tuber pipe, a plurality of the other end of flexible tuber pipe intercommunication has hot-blast mechanism jointly.

The utility model is further provided with: the feeding mechanism comprises a feeding motor, the feeding motor is arranged on the feeding side of a workbench, a first driving wheel is fixedly connected to an output shaft of the feeding motor, two first driven wheels are symmetrically and rotatably arranged on the preset feeding side of the workbench, a first belt is commonly connected to the first driven wheels and the first driving wheel, two first screw rods are fixedly connected to the first driven wheels, two feeding grooves are symmetrically formed in the workbench, the two first screw rods are respectively and rotatably arranged in the two feeding grooves, the mounting direction of the two first screw rods is the feeding direction of materials to be welded, and clamping mechanisms are in threaded connection with the two first screw rods and are in sliding connection with the feeding grooves.

The utility model is further provided with: the positioning mechanism comprises two mounting plates, the two mounting plates are symmetrically fixed on two sides of a workbench respectively, a cross beam is jointly fixed on the two mounting plates, one mounting plate is rotatably provided with a second driving wheel and a second driven wheel, a second belt is connected between the second driving wheel and the second driven wheel, a positioning motor is mounted on the workbench, the second driving wheel is fixedly connected with an output shaft of the positioning motor, the second driven wheel is fixedly connected with a second screw rod, the second screw rod is rotationally connected with the two mounting plates, and the sliding block is in sliding connection with the cross beam.

The utility model is further provided with: the second driving wheel is fixedly connected with the third screw rod, the threads of the third screw rod and the threads of the second screw rod are in the same direction, a positioning groove is formed in the workbench, the positioning groove is arranged along the direction perpendicular to the feeding groove, the third screw rod is rotatably arranged in the positioning groove, and the second electrode is in sliding connection with the positioning groove.

The utility model is further provided with: the workbench is provided with a sliding groove, an air duct groove, a mounting groove and a plurality of air inlets, the air groove is in sliding connection with the sliding groove, the air duct groove is arranged on one side of the sliding groove deviating from the material to be welded, a plurality of telescopic air ducts are arranged in the air duct groove, the mounting groove is arranged on one side of the air duct groove deviating from the material to be welded, and the air inlets are arranged on one side of the mounting groove deviating from the material to be welded and penetrate the workbench.

The utility model is further provided with: the hot air mechanism comprises a hot air cylinder, the hot air cylinder is fixed in a mounting groove, a plurality of telescopic air pipes are all communicated with one side of the hot air cylinder facing to materials to be welded, a fan motor is fixed on a workbench, an output shaft of the fan motor extends into the mounting groove and is fixedly connected with an impeller, an electric heating wire is arranged between the impeller and the telescopic air pipes, and the impeller and the electric heating wire are all arranged in the hot air cylinder.

The utility model has the advantages that:

1. the hot air mechanism is arranged on the workbench, air flow generated by the impeller is heated by the electric heating wire and is discharged through the telescopic air pipe at the upper end of the hot air cylinder, the air flow acts on a material to be welded through the air hole and the air groove, the air groove is fixedly connected to the second electrode and can slide in the sliding groove on the workbench, when the positioning motor drives the third screw and the second screw to rotate respectively through the second driving wheel and the second driven wheel, the welding position of the first electrode and the second electrode is synchronously adjusted, the second electrode drives the air groove to slide, so that hot air is constantly acted on the material to be welded, the material to be welded is preheated at the position and around the material to be welded, the stress change caused by welding is reduced, meanwhile, the preheating effect is constant, the preheating temperature is the same when all parts of the material are welded, and the whole welding effect is improved;

2. the hot air mechanism and the air groove are arranged in front of the welding point along the feeding direction of the materials, the feeding motor drives the two first driven wheels to rotate, so that the two first screw rods rotate, the two clamping mechanisms are controlled to drive the materials to be welded to move towards the welding point on the workbench, the materials to be welded are preheated through the air groove, and then are welded through the welding point, so that the preheating and the welding are automatically finished after one-time feeding, the operation is convenient, the high-temperature materials do not need to be operated, the feeding is not needed, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a top view of the device shown in FIG. 1;

FIG. 3 is a left side view of the view shown in FIG. 1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3;

fig. 7 is an enlarged view of a portion D shown in fig. 4;

in the figure: 1. a work table; 101. a feed slot; 102. a positioning groove; 103. a chute; 104. an air duct groove; 105. a mounting groove; 106. an air inlet; 2. a feed motor; 3. a first drive wheel; 4. a first driven wheel; 5. a first belt; 6. a first screw; 7. a clamping mechanism; 8. a mounting plate; 9. a cross beam; 10. positioning a motor; 11. a second driving wheel; 12. a second driven wheel; 13. a second belt; 14. a second screw; 15. a slide block; 16. a hydraulic rod; 17. an air tank; 18. air holes; 19. a telescopic air pipe; 20. a hot air duct; 21. an impeller; 22. a fan motor; 23. heating wires; 24. a first electrode; 25. a second electrode; 26. and a third screw.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-7, the present utility model provides the following technical solutions:

the intermediate frequency welding device capable of being subjected to preheating treatment comprises a workbench 1, wherein a feeding mechanism, a positioning mechanism and a hot air mechanism are arranged on the workbench 1.

The feeding mechanism comprises a feeding motor 2, the feeding motor 2 is arranged on the feeding side of a workbench 1, a first driving wheel 3 is fixed on an output shaft of the feeding motor 2, two first driven wheels 4 are rotatably arranged on symmetrical positions of the feeding side of the workbench 1, a first belt 5 is jointly arranged on the two first driven wheels 4 and the first driving wheel 3, two first screw rods 6 are connected to the two first driven wheels 4, two feeding grooves 101 are symmetrically arranged on the workbench 1, the two first screw rods 6 are rotatably arranged in the two feeding grooves 101 respectively, the two first screw rods 6 are arranged along the feeding direction of a material to be welded, a clamping mechanism 7 is connected to the two first screw rods 6 respectively, and the clamping mechanism 7 is in sliding connection with the feeding grooves 101; the feeding motor 2 is controlled to drive the two first driven wheels 4 to rotate, so that the two first screw rods 6 rotate, and the clamping mechanism 7 drives the clamped materials to move on the workbench 1.

The positioning mechanism comprises two mounting plates 8, the two mounting plates 8 are respectively and symmetrically fixed on two sides of the workbench 1, the mounting plates 8 are arranged in the vertical direction, the top ends of the two mounting plates 8 are jointly fixed with a cross beam 9, the cross beam 9 is perpendicular to the material feeding direction, one mounting plate 8 is respectively and rotatably provided with a second driving wheel 11 and a second driven wheel 12, the second driving wheel 11 and the second driven wheel 12 are jointly provided with a second belt 13, the workbench 1 is fixedly provided with a positioning motor 10, an output shaft of the positioning motor 10 is fixedly connected with the second driving wheel 11, the second driven wheel 12 is fixedly connected with a second screw 14, two ends of the second screw 14 are respectively and rotatably connected with the two mounting plates 8, the second screw 14 is in threaded connection with a sliding block 15, the sliding block 15 is in sliding connection with the cross beam 9, one side, facing the workbench 1, of the sliding block 15 is fixedly provided with a hydraulic rod 16, and the output shaft of the hydraulic rod 16 faces the workbench 1 and is provided with a first electrode 24; when the positioning motor 10 is started, the second driven wheel 12 is driven to rotate, and the second screw 14 is driven to rotate, so that the sliding block 15 moves in the front-rear direction, and the first electrode 24 is driven to move.

A positioning groove 102 is formed in the workbench 1 along the vertical material feeding direction, a third screw rod 26 is fixedly connected to the second driving wheel 11, the screw thread direction of the third screw rod 26 is the same as that of the second screw rod 14, the third screw rod 26 is rotatably arranged in the positioning groove 102, a second electrode 25 is connected to the third screw rod 26 in a screw thread manner, the second electrode 25 is slidably connected with the positioning groove 102, and the first electrode 24 and the second electrode 25 are oppositely arranged; when the positioning motor 10 is controlled, the second screw 14 and the third screw 26 are synchronously rotated, and the second electrode 25 and the first electrode 24 are synchronously moved, so that the welding position can be quickly adjusted.

The workbench 1 is provided with a sliding chute 103, an air duct groove 104, a mounting groove 105 and a plurality of air inlets 106, wherein the sliding chute 103 is arranged on the table top of the workbench 1 and is communicated with the positioning groove 102, the air duct groove 104 is arranged on one side of the sliding chute 103, which is away from the material to be welded, the mounting groove 105 is arranged on one side of the air duct groove 104, which is away from the material to be welded, the plurality of air inlets 106 are all arranged on one side of the mounting groove 105, which is away from the material to be welded, and the air inlets 106 penetrate through the workbench 1.

One end of the second electrode 25 facing the feeding side of the workbench 1 is fixedly connected with an air groove 17, the opening of the air groove 17 is upward, the bottom of the air groove 17 is provided with a plurality of air holes 18, and the air groove 17 is in sliding connection with the chute 103; the air groove 17 moves along with the second electrode 25, so that the preheating air port can be synchronously adjusted along with the welding point, the targeted preheating is convenient, and the preheating effect is improved.

The hot air mechanism comprises a hot air cylinder 20, the hot air cylinder 20 is fixed in an installation groove 105, a fan motor 22 is fixed on the workbench 1, an output shaft of the fan motor 22 extends into the installation groove 105 and is provided with an impeller 21, an air outlet side of the impeller 21 is provided with an electric heating wire 23, the impeller 21 and the electric heating wire 23 are both arranged in the hot air cylinder 20, a plurality of telescopic air pipes 19 are communicated above the hot air cylinder 20, the telescopic air pipes 19 are arranged in an air pipe groove 104, and the other ends of the telescopic air pipes 19 are correspondingly fixed on air holes 18 in a sealing manner; the air flow generated by the impeller 21 is heated by the electric heating wire 23 and is discharged into the air groove 17 through the telescopic air pipe 19 and the air hole 18, and the hot air is preheated and insulated by the air hole 18 and the air groove 17, so that the welding quality is improved.

Specifically, a hot air mechanism is installed on the workbench 1, air flow generated by the impeller 21 is heated by the electric heating wire 23 and is discharged through the telescopic air pipe 19 at the upper end of the hot air cylinder 20, the air flow acts on a material to be welded through the air hole 18 and the air groove 17, the air groove 17 is fixedly connected to the second electrode 25 and can slide in the sliding chute 103 on the workbench 1, when the positioning motor 10 respectively drives the third screw 26 and the second screw 14 to rotate through the second driving wheel 11 and the second driven wheel 12, the welding position of the first electrode 24 and the second electrode 25 is synchronously adjusted, the second electrode 25 drives the air groove 17 to slide, so that hot air is constantly acted on the material to be welded, the material to be welded is preheated at the position to be welded and around, stress change caused by welding is reduced, meanwhile, the preheating effect is constant, the preheating temperature is the same when all parts of the material are welded, and the whole welding effect is improved;

the hot air mechanism and the air groove 17 are arranged in front of the welding point along the feeding direction of the materials, the feeding motor 2 drives the two first driven wheels 4 to rotate, so that the two first screw rods 6 rotate, the two clamping mechanisms 7 are controlled to drive the materials to be welded to move towards the welding point on the workbench 1, the materials to be welded are preheated through the air groove 17 and then welded through the welding point, the preheating and the welding are automatically completed after one-time feeding are realized, the operation is convenient, the high-temperature materials do not need to be operated, the feeding is not needed to be repeated, and the working efficiency is improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a but intermediate frequency welding set of preheating treatment, includes workstation (1), its characterized in that: install feed mechanism and positioning mechanism on workstation (1), positioning mechanism includes second screw rod (14) and third screw rod (26), threaded connection has slider (15) on second screw rod (14), be fixed with hydraulic stem (16) on slider (15), the output of hydraulic stem (16) is towards the direction of workstation (1) and install first electrode (24), threaded connection has second electrode (25) on third screw rod (26), first electrode (24) set up with second electrode (25) relatively, fixedly connected with air tank (17) on second electrode (25), the opening of air tank (17) is towards the direction of waiting to weld the material, a plurality of gas pockets (18) have been seted up on air tank (17), a plurality of gas pockets (18) all sealing connection have flexible tuber pipe (19), a plurality of the other end intercommunication of flexible tuber pipe (19) has hot-blast mechanism jointly.

2. The preheating-treatable intermediate frequency welding apparatus of claim 1, wherein: the feeding mechanism comprises a feeding motor (2), the feeding motor (2) is arranged on the feeding side of a workbench (1), a first driving wheel (3) is fixedly connected to an output shaft of the feeding motor (2), two first driven wheels (4) are symmetrically arranged on the preset feeding side of the workbench (1) in a rotating mode, first belts (5) are jointly connected to the first driven wheels (4) and the first driving wheels (3), two first screw rods (6) are fixedly connected to the first driven wheels (4), two feeding grooves (101) are symmetrically arranged on the workbench (1), the two first screw rods (6) are respectively and rotatably arranged in the two feeding grooves (101), the installation directions of the two first screw rods (6) are the feeding directions of materials to be welded, clamping mechanisms (7) are in threaded connection with the two first screw rods (6), and the clamping mechanisms (7) are in sliding connection with the feeding grooves (101).

3. The preheating-treatable intermediate frequency welding apparatus of claim 2, wherein: the positioning mechanism comprises two mounting plates (8), wherein the two mounting plates (8) are symmetrically fixed on two sides of the workbench (1) respectively, a cross beam (9) is fixed on the two mounting plates (8) together, one mounting plate (8) is rotatably provided with a second driving wheel (11) and a second driven wheel (12), a second belt (13) is connected between the second driving wheel (11) and the second driven wheel (12), a positioning motor (10) is mounted on the workbench (1), the second driving wheel (11) is fixedly connected with an output shaft of the positioning motor (10), the second driven wheel (12) is fixedly connected with a second screw rod (14), the second screw rod (14) is rotatably connected with the two mounting plates (8), and the slide block (15) is slidably connected with the cross beam (9).

4. A preheating-treatable intermediate frequency welding apparatus as defined in claim 3, wherein: the second driving wheel (11) is fixedly connected with the third screw (26), threads of the third screw (26) and threads of the second screw (14) are in the same direction, a positioning groove (102) is formed in the workbench (1), the positioning groove (102) is arranged along the direction perpendicular to the feeding groove (101), the third screw (26) is rotatably arranged in the positioning groove (102), and the second electrode (25) is slidably connected with the positioning groove (102).

5. The preheating-treatable intermediate frequency welding apparatus of claim 4, wherein: spout (103), tuber pipe groove (104), mounting groove (105) and a plurality of air intake (106) have been seted up on workstation (1), air groove (17) and spout (103) sliding connection, tuber pipe groove (104) set up in one side that spout (103) deviate from the material of waiting to weld, a plurality of flexible tuber pipe (19) all set up in tuber pipe groove (104), mounting groove (105) set up in one side that tuber pipe groove (104) deviate from the material of waiting to weld, a plurality of air intake (106) set up in one side that mounting groove (105) deviate from the material of waiting to weld and run through workstation (1).

6. The apparatus for intermediate frequency welding capable of preheating according to claim 5, wherein: the hot air mechanism comprises a hot air cylinder (20), the hot air cylinder (20) is fixed in a mounting groove (105), a plurality of telescopic air pipes (19) are all communicated with one side of the hot air cylinder (20) facing to materials to be welded, a fan motor (22) is fixed on a workbench (1), an output shaft of the fan motor (22) extends into the mounting groove (105) and is fixedly connected with an impeller (21), an electric heating wire (23) is installed between the impeller (21) and the telescopic air pipes (19), and the impeller (21) and the electric heating wire (23) are all arranged in the hot air cylinder (20).