CN213945488U - Positioning welding tool applied to electric water heater - Google Patents

Abstract

The application discloses a positioning welding tool applied to an electric water heater, which comprises a fixed support, a movable support, a translation driving mechanism and a rotation driving mechanism; the fixed support is provided with a first fixed part used for fixing a first half shell in the inner container of the electric water heater, the movable support is provided with a second fixed part used for fixing a second half shell in the inner container of the electric water heater, the translation driving mechanism is connected with the movable support and controls the movable support to be close to and far away from the fixed support, the rotation driving mechanism is connected with the first fixed part or connected with the second fixed part, and when the movable support moves to a preset position, the rotation driving mechanism controls the first fixed part and the second fixed part to rotate. The application provides a be applied to electric water heater's fixed-position welding frock can assist automatic welding equipment or manual work to carry out welding operation, and its location is accurate, and production efficiency is high.

Description

Positioning welding tool applied to electric water heater

Technical Field

The application relates to the technical field of electric water heater liner assembling equipment, in particular to a positioning welding tool applied to an electric water heater.

Background

The electric water heater (kitchen appliance) is widely applied to kitchens of thousands of households, and has the advantages of high heat efficiency, safety, cleanness, good energy-saving and heat-insulating properties, long service life and the like, and can be used all year round. The inner container of the electric water heater is used as a core component of the electric water heater, plays a decisive role in the performance of the electric water heater, and the sealing performance and the internal corrosion resistance of the inner container of the electric water heater directly influence the service life of the water heater. Usually, the electric water heating liner is composed of an upper shell and a lower shell, which are usually formed by punching carbon steel, and the upper shell and the lower shell are usually connected by direct welding. In the past, the welding of the inner container is manually carried out, so that the welding quality is difficult to be well ensured, and time and labor are wasted. At present, various manufacturers gradually adopt a mode of replacing manual welding by automatic welding or robot welding. However, the current welding tool cannot accurately position the upper shell and the lower shell, and has poor positioning precision, low production efficiency and low welding quality.

Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a positioning and welding tool applied to an electric water heater, which improves the positioning accuracy of an inner container of the electric water heater and improves the production efficiency.

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

a positioning welding tool applied to an electric water heater comprises a fixed support, a movable support, a translation driving mechanism and a rotation driving mechanism; the fixed bolster is equipped with the first fixed part that is arranged in fixed electric water heater inner bag first half shell, the movable support is equipped with the second fixed part that is arranged in fixed electric water heater inner bag second half shell, translation actuating mechanism with movable support connects and control the movable support is close to and keeps away from the fixed bolster, rotation driving mechanism with first fixed part is connected or with the second fixed part is connected, works as the movable support removes to predetermineeing the position, rotation driving mechanism control first fixed part with the second fixed part is rotatory.

Optionally, the device further comprises a guide rail, the fixed support and the translation driving mechanism are both fixed on the guide rail, and the movable support is in sliding fit with the guide rail.

Optionally, the fixed bolster includes fixed riser, the movable support include with the relative activity riser of fixed riser, rotary drive mechanism locates what fixed riser deviates from one side of activity riser, translation actuating mechanism locates what activity riser deviates from one side of fixed riser, first fixed part with the second fixed part all is located fixed riser with between the activity riser.

Optionally, the fixed bracket further includes a fixed bottom plate and a fixed angle plate, the fixed bottom plate is fixedly connected with the guide rail, the fixed bottom plate is vertically distributed with the fixed vertical plate, one side edge of the fixed angle plate is connected with the fixed bottom plate, and the other side edge of the fixed angle plate is connected with the fixed vertical plate; and/or the movable support further comprises a movable bottom plate and a movable angle plate, the movable bottom plate is in sliding fit with the guide rail, the movable bottom plate is vertically distributed with the movable vertical plate, one side edge of the movable angle plate is connected with the movable bottom plate, and the other side edge of the movable angle plate is connected with the movable vertical plate.

Optionally, the fixed base plate is provided with a fixed support sliding block in sliding fit with the guide rail, the guide rail is provided with two detachable limiting blocks, and the fixed support sliding block is arranged between the two limiting blocks.

Optionally, the rotary drive mechanism comprises a motor and a speed reducer.

Optionally, the translation drive mechanism comprises a pneumatic cylinder.

Optionally, the first fixing portion includes a first flange and a plurality of first limit pins for attaching to the outer side wall of the first half shell, and all the first limit pins are sequentially distributed along the circumferential direction of the first flange; the second fixed part includes second ring flange and a plurality of laminating that are used for the second spacer pin of half shell lateral wall of second, all the second spacer pin is followed second ring flange circumference distributes in proper order.

Optionally, the first limit pins correspond to the second limit pins one to one, and when the movable support moves to the preset position, the corresponding first limit pins and the corresponding second limit pins are in plug-in fit.

Optionally, the first flange plate is provided with a plurality of first mounting columns, and the first mounting columns correspond to the first limit pins one to one and are connected through threads; the second flange plate is provided with a plurality of second mounting columns, and the second mounting columns correspond to the second limiting pins one by one and are connected through threads; when the movable support moves to the preset position, one first limiting pin and one second limiting pin are in inserted fit; and the rest first limiting pins are respectively spaced from the corresponding second limiting pins by preset distances so as to avoid welding seams of the inner container of the electric water heater.

Through above-mentioned scheme, the beneficial effect that the positioning welding frock that is applied to electric water heater that this application provided lies in:

the application provides a positioning welding tool applied to an electric water heater, which comprises a fixed support, a movable support, a translation driving mechanism and a rotation driving mechanism; the fixed support and the movable support are respectively provided with a first fixed part and a second fixed part, the translation driving mechanism is connected with the movable support and controls the movable support to be close to and far away from the fixed support, and the rotation driving mechanism is connected with the first fixed part or the second fixed part.

When the electric water heater liner is used, the movable support is controlled to move by the translation driving mechanism, the first fixing portion and the second fixing portion are matched to fix the two half shells of the inner container of the electric water heater, and when the movable support moves to a preset position, the first fixing portion and the second fixing portion are controlled to rotate by the rotation driving mechanism. The electric water heater liner is fixed and controlled to rotate through the positioning welding tool applied to the electric water heater, so that welding operation of the electric water heater liner by subsequent manual or automatic welding equipment is facilitated, and the positioning precision and the production efficiency are improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first view angle of a positioning and welding tool applied to an electric water heater according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a second view angle of the positioning and welding tool applied to the electric water heater shown in FIG. 1;

FIG. 3 is a front view of the tack welding fixture applied to the electric water heater shown in FIG. 1;

fig. 4 is a top view of the tack welding fixture applied to the electric water heater shown in fig. 1.

The reference numbers in the figures are:

the first half shell 1, the second half shell 2, the translational driving mechanism 3, the rotational driving mechanism 4, the guide rail 5, the fixed bracket 6, the fixed vertical plate 61, the fixed bottom plate 62, the fixed angle plate 63, the fixed bracket sliding block 64, the movable bracket 7, the movable vertical plate 71, the movable bottom plate 72, the movable angle plate 73, the movable bracket sliding block 74, the first fixing part 8, the first flange plate 81, the first limit pin 82, the first mounting column 83, the second fixing part 9, the second flange plate 91, the second limit pin 92, the second mounting column 93, and the limit block 10.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The application provides a be applied to welding position frock of electric water heater can be applied to automatic welding equipment, and the work piece that this be applied to welding position frock of electric water heater fixed is the electric water heater inner bag, and the electric water heater inner bag includes two half shell structures, and the two is half shell 1 and second half shell 2 respectively, and the opening part welded fastening of the two can form a complete electric water heater inner bag.

Referring to fig. 1 to 4, the positioning and welding tool applied to an electric water heater provided by the present application includes a fixed bracket 6, a movable bracket 7, a first fixed portion 8, a second fixed portion 9, a translational driving mechanism 3, and a rotational driving mechanism 4.

The fixed bracket 6 and the movable bracket 7 are oppositely arranged. The first fixing part 8 is used for fixing the first half shell 1 in the inner container of the electric water heater, and the first fixing part 8 is arranged on the fixing support 6. The second fixing part 9 is used for fixing the second half shell 2 in the inner container of the electric water heater, and the second fixing part 9 is arranged on the movable bracket 7. In addition, when the first fixing portion 8 and the second fixing portion 9 are fixed to the first half-shell 1 and the second half-shell 2, respectively, and the first half-shell 1 and the second half-shell 2 are fastened, the first fixing portion 8 and the second fixing portion 9 can rotate synchronously. The translation driving mechanism 3 can adopt telescopic components such as an air cylinder, a hydraulic cylinder and a lead screw, the translation driving mechanism 3 is connected with the movable support 7, and controls the movable support 7 to be close to and far away from the fixed support 6, so that the distance between the movable support 7 and the fixed support 6 is adjusted. The rotation driving mechanism 4 may be a motor or a reduction gear. The rotation driving mechanism 4 is installed on the first fixing part 8 to directly drive the first fixing part 8 to rotate; alternatively, the rotation driving mechanism 4 is attached to the second fixing unit 9 to directly drive the second fixing unit 9 to rotate. When the device is used, the movable support 7 is controlled to move to a preset position through the translation driving mechanism 3, and then the rotation driving mechanism 4 is started to control the first fixing part 8 and the second fixing part 9 to rotate synchronously.

Further, in an embodiment, the positioning welding tool applied to the electric water heater further comprises a guide rail 5, the fixed bracket 6 and the translation driving mechanism 3 are both fixed on the guide rail 5 through bolts or other mechanical structures, and the movable bracket 7 is in sliding fit with the guide rail 5. The guide rail 5 can provide guidance for the movable bracket 7, and the moving precision of the movable bracket 7 is improved.

Optionally, in an embodiment, the fixed bracket 6 includes a fixed vertical plate 61, the movable bracket 7 includes a movable vertical plate 71, and the fixed vertical plate 61 and the movable vertical plate 71 are disposed opposite to each other. And rotary driving mechanism 4, fixed riser 61, first fixed part 8, second fixed part 9, activity riser 71, translation actuating mechanism 3 distributes along guide rail 5 in proper order, more specifically, rotary driving mechanism 4 specifically installs on fixed riser 61, and rotary driving mechanism 4 locates the one side that deviates from activity riser 71 of fixed riser 61, translation actuating mechanism 3 locates the one side that deviates from fixed riser 61 of activity riser 71, first fixed part 8 and second fixed part 9 all are located between fixed riser 61 and the activity riser 71, second fixed part 9 need pass through the rotatable connection of connecting axle and movable support 7 simultaneously. By adopting the scheme, the two fixing parts are positioned in the middle, and the two driving mechanisms are positioned on two sides, so that the arrangement of each part is more convenient.

Optionally, in an embodiment, the movable bracket 7 further includes a movable bottom plate 72 and a movable angle plate 73, a movable bracket slider 74 is disposed on the movable bottom plate 72 for sliding fit with the guide rail 5, the movable bottom plate 72 is vertically distributed and fixedly connected with the movable upright plate 71, the movable angle plate 73 is triangular, one side of the movable angle plate 73 is connected with the movable bottom plate 72, and the other side is connected with the movable upright plate 71. The movable corner plate 73 may be provided in two. With this structure, the movable bracket 7 can stably support the translation drive mechanism 3 and the second fixing portion 9.

Optionally, in an embodiment, the fixing bracket 6 further includes a fixing bottom plate 62 and a fixing angle plate 63, the fixing bottom plate 62 is fixedly connected with the guide rail 5 through a bolt or other limiting structure, the fixing bottom plate 62 is vertically distributed and fixedly connected with the fixing upright plate 61, the fixing angle plate 63 is triangular, one side of the fixing angle plate 63 is connected with the fixing bottom plate 62, and the other side is connected with the fixing upright plate 61. Two fixed angle plates 63 may be provided. With this structure, the fixing bracket 6 can stably support the rotation drive mechanism 4 and the first fixing portion 8.

Optionally, in an embodiment, the fixing base plate 62 is provided with a fixing support slider 64 to be in sliding fit with the guide rail 5, and the guide rail 5 is provided with two limiting blocks 10, the limiting blocks 10 are detachably connected with the guide rail 5 through bolts or clamping or other methods, and the fixing support slider 64 is clamped between the two limiting blocks 10 and is limited by the fixing support slider 64. In use, the user can adjust the position of the fixing bracket 6 on the guide rail 5 as required.

Optionally, in an embodiment, the first fixing portion 8 includes a first flange 81 and a plurality of first limit pins 82, all the first limit pins 82 are sequentially distributed along a circumferential direction of the first flange 81, the first limit pins 82 are attached to an outer side wall of the first half shell 1 to fix the first half shell 1, and the first flange 81 may also be attached to an end surface of the first half shell 1. Correspondingly, the second fixing portion 9 includes a second flange 91 and a plurality of second limit pins 92, all the second limit pins 92 are distributed along the circumferential direction of the second flange 91 in sequence, the second limit pins 92 are attached to the outer side wall of the second half shell 2 to fix the second half shell 2, and the second flange 91 can also be attached to the end surface of the second half shell 2. By adopting the structure, the first fixing part 8 and the second fixing part 9 can limit a plurality of circumferential positions of the liner of the semi-electric water heater, and the liner of the electric water heater can synchronously and stably rotate along with the first fixing part 8 and the second fixing part 9.

Optionally, in an embodiment, the first position-limiting pins 82 correspond to the second position-limiting pins 92 one to one, and when the movable bracket 7 moves to the preset position, the corresponding first position-limiting pins 82 and the corresponding second position-limiting pins 92 are engaged with each other in an inserting manner. Specifically, one of the first limit pin 82 and the second limit pin 92 is provided with a positioning protrusion, the other is provided with a positioning groove, and when the movable support 7 moves to a preset position, the positioning protrusion extends into the positioning groove, so that the positioning accuracy of the first half shell 1 and the second half shell 2 is improved.

Optionally, in an embodiment, the first flange 81 is provided with a plurality of first mounting posts 83, the first mounting posts 83 correspond to the first limit pins 82 one by one, and the first mounting posts 83 and the first limit pins 82 are connected through threads; the second flange 91 is provided with a plurality of second mounting columns 93, the second mounting columns 93 correspond to the second limit pins 92 one by one, and the second mounting columns 93 and the second limit pins 92 are connected through threads; when the movable support 7 moves to the preset position, a first limit pin 82 is in inserted fit with a second limit pin 92; the other first limit pins 82 are spaced from the corresponding second limit pins 92 by a preset distance to avoid welding seams of the liner of the electric water heater. Specifically, the corresponding first limit pin 82 and the second limit pin 92 are a group of limit structures, only one group of first limit pin 82 and the second limit pin 92 are in positioning fit in an inserting mode, the other groups of limit structures are not in inserting fit, and a gap between the first limit pin 82 and the second limit pin 92 can facilitate welding of a welding part on the first electric water heater liner and the second electric water heater liner.

In addition, each first stopper pin 82 is detachable from the corresponding first mounting post 83, and each second stopper pin 92 is detachable from the corresponding second mounting post 93. Therefore, in actual operation, the electric water heater liner can be controlled to rotate through the rotary driving mechanism 4, welding operation is carried out, then the first limiting pin 82 and the second limiting pin 92 which are matched in an inserted mode are detached, the first limiting pin 82 and the second limiting pin 92 in the welding finished area are replaced by the first limiting pin 82 and the second limiting pin 92, the electric water heater liner is continuously controlled to rotate, and welding operation is carried out.

The use mode of the positioning welding tool applied to the electric water heater with the structure is as follows:

with this be applied to electric water heater's fixed position welding frock integral erection on automatic welding equipment's welding frame, the expansion end withdrawal of translation actuating mechanism 3, it returns along guide rail 5 to drive movable support 7 and second fixed part 9 are whole, then artifical material loading, the expansion end of translation actuating mechanism 3 stretches out afterwards, it is whole near fixed bolster 6 along guide rail 5 to drive movable support 7 and second fixed part 9, make first spacer pin 82 and second spacer pin 92 cooperate together, half upper shell and half lower shell are fixed in the spot welding, then rotary driving mechanism 4 starts and drives the electric water heater inner bag and rotates, the cooperation is artifical or welding robot accomplishes the welding. In the above-described operation steps, the spot welding process may be omitted. In addition, for the scheme of the insertion fit of the first limit pin 82 and the second limit pin 92, after a certain distance of welding, the first limit pin 82 and the second limit pin 92 which are inserted and fitted can be detached and installed to other positions, and then the rest area can be welded.

By the above embodiment, the beneficial effects of the positioning welding tool applied to the electric water heater provided by the application are as follows:

the positioning welding tool applied to the electric water heater can perform semi-automatic feeding and discharging, accurately positions the inner container of the electric water heater, improves welding efficiency, and can continuously perform spot welding and girth welding without disassembling the inner container of the electric water heater during operation.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The positioning welding tool applied to the electric water heater provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims (10)

1. A positioning welding tool applied to an electric water heater is characterized by comprising a fixed support (6), a movable support (7), a translation driving mechanism (3) and a rotation driving mechanism (4); fixed bolster (6) are equipped with first fixed part (8) that are arranged in fixed electric water heater inner bag first half shell (1), movable support (7) are equipped with second fixed part (9) that are arranged in fixed electric water heater inner bag second half shell (2), translation actuating mechanism (3) with movable support (7) are connected and control movable support (7) are close to and keep away from fixed bolster (6), rotary drive mechanism (4) with first fixed part (8) are connected or with second fixed part (9) are connected, work as movable support (7) remove to predetermineeing the position, rotary drive mechanism (4) control first fixed part (8) with second fixed part (9) are rotatory.

2. The positioning and welding tool applied to the electric water heater according to claim 1, further comprising a guide rail (5), wherein the fixed support (6) and the translation driving mechanism (3) are both fixed on the guide rail (5), and the movable support (7) is in sliding fit with the guide rail (5).

3. The positioning and welding tool applied to the electric water heater according to claim 2, wherein the fixed support (6) comprises a fixed vertical plate (61), the movable support (7) comprises a movable vertical plate (71) opposite to the fixed vertical plate (61), the rotary driving mechanism (4) is arranged on one side of the fixed vertical plate (61) departing from the movable vertical plate (71), the translational driving mechanism (3) is arranged on one side of the movable vertical plate (71) departing from the fixed vertical plate (61), and the first fixing portion (8) and the second fixing portion (9) are both arranged between the fixed vertical plate (61) and the movable vertical plate (71).

4. The positioning welding tool applied to the electric water heater as claimed in claim 3, wherein the fixing bracket (6) further comprises a fixing bottom plate (62) and a fixing angle plate (63), the fixing bottom plate (62) is fixedly connected with the guide rail (5), the fixing bottom plate (62) is vertically distributed with the fixing vertical plate (61), one side edge of the fixing angle plate (63) is connected with the fixing bottom plate (62), and the other side edge of the fixing angle plate is connected with the fixing vertical plate (61); and/or the movable support (7) further comprises a movable bottom plate (72) and a movable angle plate (73), the movable bottom plate (72) is in sliding fit with the guide rail (5), the movable bottom plate (72) and the movable vertical plate (71) are vertically distributed, one side edge of the movable angle plate (73) is connected with the movable bottom plate (72), and the other side edge of the movable angle plate is connected with the movable vertical plate (71).

5. The positioning and welding tool applied to the electric water heater according to claim 4, wherein the fixing bottom plate (62) is provided with a fixing support sliding block (64) in sliding fit with the guide rail (5), the guide rail (5) is provided with two detachable limiting blocks (10), and the fixing support sliding block (64) is arranged between the two limiting blocks (10).

6. The positioning welding tool applied to the electric water heater as claimed in claim 5, wherein the rotation driving mechanism (4) comprises a motor and a speed reducer.

7. The positioning welding tool applied to the electric water heater as claimed in claim 5, wherein the translation driving mechanism (3) comprises an air cylinder.

8. The positioning and welding tool applied to the electric water heater as claimed in any one of claims 1 to 7, wherein the first fixing portion (8) comprises a first flange (81) and a plurality of first limit pins (82) for being attached to the outer side wall of the first half shell (1), and all the first limit pins (82) are sequentially distributed along the circumferential direction of the first flange (81); the second fixed part (9) includes second ring flange (91) and a plurality of second spacer pin (92) that are used for laminating half second shell (2) lateral wall, all second spacer pin (92) are followed second ring flange (91) circumference distributes in proper order.

9. The positioning and welding tool applied to the electric water heater according to claim 8, wherein the first limit pins (82) correspond to the second limit pins (92) one by one, and when the movable support (7) moves to the preset position, the corresponding first limit pins (82) and the corresponding second limit pins (92) are matched in an inserting manner.

10. The positioning and welding tool applied to the electric water heater according to claim 9, wherein the first flange plate (81) is provided with a plurality of first mounting columns (83), and the first mounting columns (83) correspond to the first limiting pins (82) one to one and are connected through threads; the second flange plate (91) is provided with a plurality of second mounting columns (93), and the second mounting columns (93) correspond to the second limiting pins (92) one by one and are connected through threads; when the movable support (7) moves to the preset position, one first limiting pin (82) is in inserted fit with one second limiting pin (92); the rest first limiting pins (82) are respectively spaced from the corresponding second limiting pins (92) by preset distances so as to avoid welding seams of the liner of the electric water heater.

Images