CN217073403U - Welding device - Google Patents

Abstract

The utility model provides a welding device, including spray gun, first drive arrangement, second drive arrangement and guide bar, first drive arrangement and second drive arrangement all are connected with the guide bar, first drive arrangement is used for driving the guide bar and carries out reciprocating motion for first drive arrangement, the spray gun with the second drive arrangement is connected, and the second drive arrangement is used for driving the spray gun to rotate for the guide bar; the welding device has the advantages of reasonable structure and convenience in use.

Description

Welding device

Technical Field

The utility model belongs to the technical field of the welding equipment, concretely relates to welding set.

Background

The powder spraying is that a high-voltage cathode is connected to a metal flow guide mark at the head of a spray gun by utilizing the principle of a high-voltage electrostatic corona electric field, and a sprayed workpiece is grounded to form an anode, so that a stronger electrostatic electric field is formed between the spray gun and the workpiece. When compressed air as carrier gas is used to deliver powder paint from powder supply barrel to guide rod of spray gun through powder tube, the corona discharge generated by high-voltage negative electrode is connected to guide rod to generate dense negative charge, so that the powder paint is charged with negative charge and enters into electrostatic field with very high electric field strength. The spraying effect of the powder spraying is superior to that of a paint spraying process in the aspects of mechanical strength, adhesive force, corrosion resistance, aging resistance and the like, so the powder spraying is widely applied to the production and processing fields of automobile spraying, furniture spraying and the like. The spraying of the workpiece is often completed in a spraying room, and the side wall or the wall plate of the spraying room is mainly made of a PVC sandwich plate (sandwich), and further, the PVC plate is welded by using a PVC welding device to form the wall plate of the spraying room, but the PVC welding device in the prior art has certain inconvenience in use; specifically, when the PVC wall panel is welded, a welding line area of a base material and a welding material (PVC strip) are heated and melted through hot air welding, so that the welding material and the base material are fused together, and the welding material cannot be completely fused into a welding slope of the base material after welding is finished, namely the welding material is higher than the surface of the base material after welding is finished; in order to eliminate or reduce the splicing gap between the wall plates in the production and manufacturing process of the spraying room, the welding material higher than the surface of the base material needs to be trimmed (cut) to restore the flatness of the surface of the base material. In the prior art, the welding device usually completes welding of the PVC plate, and then independently transfers the PVC wall plate to a process of trimming the welding seam of the PVC wall plate, so that the inconvenience of the PVC welding device in the use process is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a welding set rational in infrastructure, convenient to use.

In order to solve the technical problem, the utility model discloses the technical scheme who uses is:

the utility model provides a welding set, includes guide rail set spare, welder and cutting mechanism all with guide rail set spare is connected, just guide rail set spare is used for the drive welder and cutting mechanism for guide rail set spare's length direction carries out reciprocating motion, welder is used for carrying out welding operation to the work piece, cutting mechanism is used for cutting the welding seam of work piece and repaiies.

As a further improvement of the welding device, the welding device further comprises a wire feeding mechanism, wherein the wire feeding mechanism is connected with the guide rail assembly, the guide rail assembly is used for driving the wire feeding mechanism to reciprocate relative to the length direction of the guide rail assembly, and the wire feeding mechanism is used for feeding a welding wire to the welding gun or the welding position of the workpiece.

As a further improvement of the welding device, the welding device further comprises a workpiece bearing platform, the workpiece bearing platform is used for fixing a workpiece to be welded, the guide rail assembly is used for driving the welding gun and the cutting mechanism to reciprocate relative to the workpiece bearing platform, the guide rail assembly is parallel to the workpiece bearing platform, and the welding gun and the cutting mechanism face the workpiece bearing platform.

As a further improvement to the welding device, the guide rail assembly includes a rail, a slide seat and a driving mechanism, the slide seat is slidably connected to the rail, the driving mechanism is connected to the slide seat, the driving mechanism is in transmission connection with the rail, and the welding gun, the cutting mechanism and the wire feeding mechanism are all connected to the slide seat.

As a further improvement of the welding device, the cutting mechanism includes a first motor and a milling cutter, the milling cutter is connected with a driving shaft of the first motor, and the first motor is fixedly connected with the sliding seat.

As a further improvement of the welding device, a first telescopic device is further arranged between the cutting mechanism and the sliding seat, a first end of the first telescopic device is fixedly connected with the first motor, a second end of the first telescopic device is fixedly connected with the sliding seat, and the first telescopic device is used for driving the cutting mechanism to reciprocate relative to the radial direction of the track.

As a further improvement of the welding device, the welding gun forms an included angle relative to the axis of the rail, a second telescopic device is further arranged between the welding gun and the sliding seat, one end of the second telescopic device is connected with the welding gun, the other end of the second telescopic device is connected with the sliding seat, and the second telescopic device is used for driving the welding gun to reciprocate relative to the radial direction of the rail.

As right welding set's further improvement, wire drive feed mechanism includes base, second motor, drive roll, driven voller and godet, the base with slide fixed connection, the second motor with base fixed connection, the drive roll with the drive shaft of second motor is connected, the driven voller with the base rotates to be connected, the drive roll with the driven voller is close to each other, and is in the drive roll with be formed with between the roller edge of driven voller and send a passageway, the godet with base fixed connection, just the end orientation of godet the muzzle mouth department of welder.

As a further improvement of the welding device, the welding torch, the cutting mechanism and the wire feeding mechanism are provided with two or more in the longitudinal direction.

As a further improvement of the welding device, the welding device further comprises a positioning device, the positioning device is connected with the guide rail assembly, the positioning device is used for positioning a workpiece on a workpiece bearing platform, the positioning device comprises a first reference part, a second reference part and a third telescopic device, the first reference part and the second reference part are respectively located at two ends of the track, the first reference part is fixedly connected with the track, the second reference part is slidably connected with the track, one end of the third telescopic device is fixed with the track, the other end of the third telescopic device is connected with the second reference part, and the telescopic device is used for driving the second reference part to reciprocate relative to the track.

Compared with the prior art the beneficial effects of the utility model mainly appear: through set up the cutting mechanism who mutually supports with welder on the guide rail set spare, furtherly, welder can treat welded work piece (PVC wallboard) under guide rail set spare's drive and remove and then realize the welding to the work piece, simultaneously, guide rail set spare also can drive cutting mechanism and remove when drive welder removes, and then cut through cutting mechanism to the welding seam of accomplishing after the welding and maintain, namely, make welding set can go on in step to the welding of work piece (PVC wallboard) and welding seam maintenance, thereby effectively improved the convenience that welding set used.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. The same reference numerals are used throughout the drawings to denote the same parts, and the drawings are not intended to be drawn to scale in actual size, with emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic view of an overall structure of a welding device according to the present invention;

FIG. 2 is a schematic view of the overall structure of a welding device according to the present invention in a side view direction;

fig. 3 is a schematic structural view of a welding device according to the present invention with a workpiece supporting platform removed;

fig. 4 is a schematic partial structure diagram of fig. 3 according to the present invention;

fig. 5 is a schematic side view of the present invention shown in fig. 3;

fig. 6 is a schematic structural view of fig. 3 without the welding gun according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the present embodiments, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and the present invention is described only, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limited to the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.

As shown in fig. 1 to 6, the present embodiment provides a welding apparatus including a rail assembly 1, a welding gun 2, and a cutting mechanism 3; the welding gun 2 and the cutting mechanism 3 are connected with a sliding seat 12 of the guide rail assembly 1, the guide rail assembly 1 is used for driving the welding gun 2 and the cutting mechanism 3 to reciprocate relative to the length direction of the guide rail assembly 1, the welding gun 2 is used for welding a workpiece, and the cutting mechanism 3 is used for cutting and finishing a welding seam of the workpiece; the welding gun 2 in this embodiment is a hot air gun. Particularly, through set up cutting mechanism 3 with welder 2 mutually supporting on guide rail set 1, it is further, welder 2 can treat welded work piece (PVC wallboard) and remove and then realize the welding to the work piece under guide rail set 1's drive, and simultaneously, guide rail set 1 also can drive cutting mechanism 3 and remove when drive welder 2 removes, and then cuts through cutting mechanism 3 to the welding seam of accomplishing after the welding and repaiies, namely, make welding set weld and the welding seam of welding seam to work piece (PVC wallboard) to repair and can go on in step.

As shown in fig. 1-4, in the preferred embodiment, the welding apparatus further includes a wire feeder 4, the wire feeder 4 is connected to a carriage 12 of the rail assembly 1, the rail assembly 1 is configured to drive the wire feeder 4 to reciprocate relative to a length of the rail assembly 1, and the wire feeder 4 is configured to feed welding wire to the welding torch 2 or a welding location of a workpiece. Specifically, welding wires (PVC strips) are melted by a welding gun at high temperature and then filled in a weld seam notch of a base metal, and finally connection between the base metal and the base metal is formed; meanwhile, welding wires can be continuously filled into the welding seam groove of the workpiece by using the wire feeding mechanism 4 along with the movement of the sliding seat 12 of the guide rail assembly 1, so that the automatic welding of the welding device is realized. Further, the welding fixture comprises a workpiece bearing platform 5, wherein the workpiece bearing platform 5 is used for fixing a workpiece 6 (such as a PVC plate) to be welded, namely the workpiece bearing platform 5 is used for fixing the workpiece 6 by arranging a clamping device (not marked), so that the phenomenon that the welding quality of the workpiece is influenced or the welding failure is caused due to the displacement of the workpiece in the welding process is avoided; further, the guide rail assembly 1 is used for driving the welding gun 2 and the cutting mechanism 3 to reciprocate relative to the workpiece bearing platform 5, the guide rail assembly 1 is parallel to the workpiece bearing platform 5, the welding gun 2 and the cutting mechanism 3 face the workpiece bearing platform 5, namely, a gun mouth of the welding gun 2 and a knife edge of the cutting mechanism 3 face a workpiece 6 on the workpiece bearing platform 5, and further, the welding seam can be cut and trimmed while the workpiece is welded.

As shown in fig. 3, 5 and 6, in a preferred embodiment, the guide rail assembly 1 includes a rail 11, a sliding seat 12 and a driving mechanism 13, the sliding seat 12 is slidably connected with the rail 11, the driving mechanism 13 is fixed with the sliding seat 12 by bolts, and the driving mechanism 13 is in transmission connection with the rail 11; wherein, the welding gun 2, the cutting mechanism 3 and the wire feeding mechanism 4 are all connected with the slide seat 12. The driving mechanism 13 in this embodiment includes a third motor (not labeled), a driving gear 14 and a rack (not labeled), the third motor is fixed to the slide 12 by bolts, the driving gear is connected to a driving shaft of the third motor, the rack is fixed to the rail 11 by bolts, and the driving gear 14 is engaged with the rack; further, when the third motor drives the driving gear to rotate, the sliding seat 12 can move relative to the rail 11 due to the cooperation between the gear and the rack, and the sliding seat can reciprocate relative to the rail 11 along with the forward and reverse rotation of the third motor.

As shown in fig. 3 and 4, in the preferred embodiment, the cutting mechanism 3 includes a first motor 31 and a milling cutter 32, the milling cutter 32 is connected to a driving shaft of the first motor 31, and the first motor 31 and the carriage 12 are fixed by bolts. Specifically, the cutting mechanism 3 is provided at a distance from the welding torch 2, that is, the welding torch 2 is located in front of the welding torch and the cutting mechanism 3 is located behind the welding torch with respect to the forward direction of the welding device during welding, and the weld formed by the welding torch after welding is cut by the milling cutter 32 driven by the first motor 31 and rotated at a high speed, so that the surface of the weld is flush with the reference surface of the workpiece.

As shown in fig. 5, in a preferred embodiment, a first telescopic device 33 is further disposed between the cutting mechanism 3 and the sliding base 12, a first end of the first telescopic device 33 is fixed to the first motor 31 by a bolt, a second end of the first telescopic device 33 is fixed to the sliding base 12 by a bolt, and the first telescopic device 33 is used for driving the cutting mechanism 3 to reciprocate relative to the radial direction of the rail 11, that is, the first telescopic device 33 is used for adjusting the cutting feed of the milling cutter 32 on the cutting machine 3, so as to avoid cutting the base material due to an excessively large feed of the milling cutter 32 or prevent the cutting effect on the welding seam due to an excessively small feed of the milling cutter 32. The first expansion device 33 in this embodiment is any one of an electric cylinder, a hydraulic cylinder, and an air cylinder.

As shown in fig. 3 and 4, in the preferred embodiment, the welding torch 2 forms an included angle with respect to the axis of the rail 11, and further, the included angle formed by the welding torch 2 with respect to the axis of the rail 11 is adjustable; in this embodiment, be provided with stand (not mark), set up on the stand and can rotate the support (not mark) of adjusting for the stand, and welder 2 is then fixed with the support, adjusts through making the support rotate for the stand, can adjust welder 2's regulation, promptly, adjusts welder 2 and treats the contained angle between the welded work piece to make welding set in order to adapt to different welding demands. Further, a second telescopic device 7 is further arranged between the welding gun 2 and the sliding seat 12, one end of the second telescopic device 7 is connected with the welding gun 2, the other end of the second telescopic device 7 is connected with the sliding seat 12, and the second telescopic device 7 is used for driving the welding gun 2 to reciprocate relative to the radial direction of the track 11, namely, the position of the muzzle of the welding gun 2 away from the workpiece is adjusted, so that the expected welding quality is achieved.

As shown in fig. 3, 4 and 6, in a preferred embodiment, the wire feeding mechanism 4 includes a base 41, a second motor 42, a driving roller 43, a driven roller 44 and a wire guide tube 45, the base 41 is fixed to the slide 12, the second motor 42 is fixed to the base 41 by bolts, the driving roller 43 is connected to a driving shaft of the second motor 42, the driven roller 44 is rotatably connected to the base 41, the driving roller 43 and the driven roller 44 are disposed close to and opposite to each other, a wire feeding passage is formed between roller edges of the driving roller 43 and the driven roller 44, the wire guide tube 45 is fixed to the base 41 by bolts, and a distal end of the wire guide tube 45 faces a muzzle of the welding gun 2. Specifically, the driving roller 43 and the driven roller 44 cooperate with each other to clamp the welding wire, and the driving roller 43 is driven by the second motor 42 to feed the welding wire from the wire guide 45, which guides the welding wire and feeds the welding wire to a corresponding welding position in the base material. Furthermore, in the longitudinal direction, more than two welding guns 2, cutting mechanisms 3 and wire feeding mechanisms 4 are arranged; particularly, when welding the sandwich panel, three-layer panel promptly, can produce two at least welding seams, this moment for two kinds of welder 2, cutting mechanism 3 and wire feeder 4 can make welding set work once can accomplish the welding to the work piece. Of course, if there are more welding seams, the number of welding guns 2, cutting mechanisms 3 and wire feeders 4 can be flexibly added according to the requirement.

As shown in fig. 6, in the preferred embodiment, the positioning device is further included, the positioning device is connected with the guide rail assembly 1, the positioning device is used for positioning the workpiece on the workpiece bearing platform 5, and the positioning device comprises a first reference member 81, a second reference member 82 and a third telescopic device 83; the first reference member 81 and the second reference member 82 are respectively located at two ends of the track 11, the first reference member 81 is fixed to the track 11 through a bolt, the second reference member 82 is slidably connected to the track 11, one end of a third telescopic device 83 is fixed to the track 11, the other end of the third telescopic device is fixed to the second reference member 82 through a bolt, and the telescopic device is used for driving the second reference member 82 to reciprocate relative to the track 11. Specifically, after the workpiece to be welded is placed on the workpiece support 5, the starting point of the workpiece relative to the welding gun 2 needs to be determined, that is, the muzzle of the welding gun 2 is ensured to be positioned at one end of the welding seam to be welded on the workpiece, so that the workpiece can be reliably welded; at this time, the third telescopic device 83 may be activated, and the third telescopic device 83 may drive the second reference member 82 to move relative to the rail 11, and after the second reference member 82 abuts against one end of the workpiece, the workpiece may be continuously pushed to move relative to the workpiece support platform 5 until the second end of the second member abuts against the first reference member 81, thereby completing the positioning of the workpiece.

Compared with the prior art the beneficial effects of the utility model mainly appear: through set up the cutting mechanism who mutually supports with welder on guide rail set spare, furtherly, welder can treat welded work piece (PVC wallboard) and remove and then realize the welding to the work piece under guide rail set spare's drive, and simultaneously, guide rail set spare also can drive cutting mechanism and remove when drive welder removes, and then cut through cutting mechanism to the welding seam of accomplishing after the welding and maintain, promptly, make welding set can carry out in step to the welding of work piece (PVC wallboard) and welding seam maintenance, thereby effectively improved the convenience that welding set used.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A welding device, characterized by: the welding gun and the cutting mechanism are connected with the guide rail assembly, the guide rail assembly is used for driving the welding gun and the cutting mechanism to move in a reciprocating mode relative to the length direction of the guide rail assembly, the welding gun is used for welding a workpiece, and the cutting mechanism is used for cutting and finishing a welding seam of the workpiece.

2. The welding device of claim 1, wherein: the wire feeding mechanism is connected with the guide rail assembly, the guide rail assembly is used for driving the wire feeding mechanism to move in a reciprocating mode relative to the length direction of the guide rail assembly, and the wire feeding mechanism is used for conveying welding wires to a welding gun or a welding position of a workpiece.

3. The welding device of claim 2, wherein: the welding gun and the cutting mechanism are arranged on the workpiece bearing platform, the guide rail assembly is used for driving the welding gun and the cutting mechanism to move in a reciprocating mode relative to the workpiece bearing platform, the guide rail assembly is parallel to the workpiece bearing platform, and the welding gun and the cutting mechanism face the workpiece bearing platform.

4. Welding device according to any one of claims 1-3, characterized in that: the guide rail component comprises a rail, a sliding seat and a driving mechanism, the sliding seat is connected with the rail in a sliding mode, the driving mechanism is connected with the sliding seat, the driving mechanism is connected with the rail in a transmission mode, and the welding gun, the cutting mechanism and the wire feeding mechanism are connected with the sliding seat.

5. The welding device of claim 4, wherein: the cutting mechanism comprises a first motor and a milling cutter, the milling cutter is connected with a driving shaft of the first motor, and the first motor is fixedly connected with the sliding seat.

6. The welding device of claim 5, wherein: the cutting mechanism with still be provided with first telescoping device between the slide, first telescoping device's first end with first motor fixed connection, first telescoping device's second end with slide fixed connection, first telescoping device is used for the drive cutting mechanism for orbital radial direction reciprocating motion.

7. The welding device of claim 4, wherein: the welding gun forms an included angle relative to the axis of the rail, a second telescopic device is further arranged between the welding gun and the sliding seat, one end of the second telescopic device is connected with the welding gun, the other end of the second telescopic device is connected with the sliding seat, and the second telescopic device is used for driving the welding gun to reciprocate relative to the radial direction of the rail.

8. The welding device of claim 4, wherein: wire drive feed mechanism includes base, second motor, drive roll, driven voller and godet tube, the base with slide fixed connection, the second motor with base fixed connection, the drive roll with the drive shaft of second motor is connected, the driven voller with the base rotates and connects, the drive roll with the driven voller is close to each other, and is in the drive roll with be formed with between the roller reason of driven voller and send a passageway, the godet tube with base fixed connection, just the terminal orientation of godet tube the muzzle mouth department of welder.

9. The welding device of claim 2, wherein: in the longitudinal direction, the welding gun, the cutting mechanism and the wire feeding mechanism are all provided with more than two.

10. The welding device of claim 4, wherein: the positioning device is used for positioning a workpiece on the workpiece bearing platform and comprises a first reference part, a second reference part and a third telescopic device, the first reference part and the second reference part are respectively positioned at two ends of the track, the first reference part is fixedly connected with the track, the second reference part is slidably connected with the track, one end of the third telescopic device is fixed with the track, the other end of the third telescopic device is connected with the second reference part, and the telescopic device is used for driving the second reference part to reciprocate relative to the track.

Images