Welding tool for inner container of water heater

Abstract

The utility model discloses a water heater inner container welding tool which comprises an inner container device which comprises an inner container body, a first side plate and a second side plate, the first side plate is provided with a water inlet, the second side plate is provided with a water outlet, one end of the inner container body is provided with a first opening, and the other end of the inner container body is provided with a second opening. The first opening is matched with the first side plate, and the second side plate is matched with the second opening; the supporting base is matched with the inner container body, and the inner container body is movably connected to the supporting base in a clamped mode; the clamping device comprises a first clamping assembly and a second clamping assembly, the first clamping assembly is arranged at one end of the supporting seat, the second clamping assembly is arranged at the other end of the supporting seat, the first clamping assembly comprises a first limiting seat and a first pressing device, and the second clamping assembly comprises a second limiting seat and a second pressing device; the first side plate is matched with the first limiting seat, and the second side plate is matched with the second limiting seat. The water inlet pipe opening and the water outlet pipe opening can be prevented from being damaged during welding.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, especially a water heater inner bag welding frock. BACKGROUND

[0002] In the manufacturing process of modern household and industrial water heater, the inner bag as the core component, its quality is directly related to the performance and service life of the product. The two side plates of the water heater inner bag are usually provided with water inlet and outlet, these pipe openings are generally protruding from the side plate, and are provided with a connector for subsequent pipe connection. Traditionally, when welding the inner bag barrel and the side plate, a clamp is used to firmly clamp the two side plates on both sides of the barrel to ensure the stability during welding. Due to the design defects of the existing clamping tool, the connector of the protruding side plate of the water inlet and outlet is easily extruded during clamping, resulting in deformation of these key parts. This not only affects the quality of subsequent pipe connection, but also may cause safety hazards such as water leakage. SUMMARY

[0003] The utility model aims at at least solves one of the prior art technical problems. For this purpose, the utility model provides a water heater inner bag welding frock, which can improve the positioning accuracy in the inner bag welding process and improve the convenience of operation.

[0004] According to the first aspect of the utility model embodiment, a water heater inner bag welding frock, including: inner bag device, including inner bag body, first side plate and second side plate, the first side plate is provided with water inlet, the second side plate is provided with water outlet, one end of the inner bag body is provided with first opening, the other end of the inner bag body is provided with second opening, the first opening and the first side plate are mutually adapted, the second side plate and the second opening are mutually adapted;

[0005] Supporting seat, with the inner bag body is mutually adapted, the inner bag body can be movably connected in the supporting seat;

[0006] Clamping device, including first clamping assembly and second clamping assembly, the first clamping assembly is arranged at one end of the supporting seat, the second clamping assembly is arranged at the other end of the supporting seat, the first clamping assembly includes first limit seat and first pressure closer, the first limit seat and the first pressure closer are drivingly connected, the second clamping assembly includes second limit seat and second pressure closer, the second limit seat and the second pressure closer are drivingly connected, the first side plate and the first limit seat are mutually adapted, the second side plate and the second limit seat are mutually adapted.

[0007] According to the water heater inner container welding tool, through the unique design and multiple innovations, the problems of inaccurate positioning, vulnerable connecting head and complicated operation in the prior art are solved, the welding quality and production efficiency are remarkably improved, and a more advanced and reliable solution is provided for the water heater manufacturing industry.

[0008] According to some embodiments of the utility model, the first limit seat includes a circular bottom surface and a circular side wall, the circular bottom surface is provided with a convex column, the convex column is matched with the water inlet, the convex column is inserted into the water inlet, and the first side plate is clamped on the inner wall of the circular side wall. Through the convex column matched with the water inlet on the circular bottom surface, the accurate alignment between the first side plate and the inner container body is ensured, the design that the convex column is inserted into the water inlet effectively prevents the displacement of the side plate during welding, and the consistency and accuracy of the welding position are ensured.

[0009] According to some embodiments of the utility model, the second limit seat is provided with an annular slot, the annular slot is matched with the second side plate, a through hole is arranged in the annular slot, and the through hole is matched with the water outlet. The design of the annular slot simplifies the installation and adjustment process of the second side plate, the operator can quickly and accurately put the side plate into the limit seat, the assembly time and difficulty are reduced, and the design is also convenient for later maintenance and replacement of parts.

[0010] According to some embodiments of the utility model, a plurality of positioning holes are further arranged in the annular slot, the plurality of positioning holes are arranged on the outer edge of the through hole, and the diameter of the positioning hole is smaller than that of the through hole. The operator can fine-tune the angle of the second side plate relative to the inner container body by selecting different positioning holes, and the flexibility makes it easy to finely adjust the angle of the side plate during installation, so that the optimal welding position is ensured.

[0011] According to some embodiments of the utility model, a bearing seat is arranged between the first clamping assembly and the support seat, and the output shaft of the first pressing device penetrates the bearing seat. The bearing seat effectively reduces the friction between moving parts, ensures the smoothness and stability of the pressing device, and improves the accuracy of the whole clamping process.

[0012] According to some embodiments of the utility model, the axis of the first limiting seat, the second limiting seat and the supporting seat overlap with each other. The complete alignment of the first limiting seat, the second limiting seat and the supporting seat in space is ensured. This makes the relative position between the inner container body and the two side plates fixed and unchanged, greatly improves the positioning accuracy in the welding process, and ensures the quality and consistency of the weld.

[0013] According to some embodiments of the utility model, the supporting seat comprises a first supporting ring and a second supporting ring, and the first supporting ring and the second supporting ring are in the shape of a half ring. The first supporting ring and the second supporting ring jointly constitute a complete circular supporting structure, which can be uniformly distributed around the inner container body, ensures that the inner container receives uniform supporting force during the welding process, helps to maintain the stability and position of the inner container, and improves the welding quality.

[0014] According to some embodiments of the utility model, the central angle of the first supporting ring and the second supporting ring is 180°. The design of the 180° central angle makes each supporting ring be independently installed to the two sides of the inner container, simplifies the assembly process. The operator only needs to clamp the two half rings to the two sides of the inner container, and the installation of the supporting seat can be quickly completed, the assembly time and difficulty are reduced, and the production efficiency is improved.

[0015] According to some embodiments of the utility model, the bottom of the supporting seat is provided with a connecting rod, one end of the connecting rod is connected with the bottom of the first limiting seat, and the other end is connected with the bottom of the second limiting seat. The structural rigidity and stability of the whole tooling device are enhanced, the relative position between the components is ensured to be fixed and unchanged during the welding process, displacement caused by external force or vibration is avoided, and the welding quality is improved.

[0016] According to some embodiments of the utility model, the first clamping assembly and the second clamping assembly are air cylinders. The air cylinder has the characteristics of quick response, can complete the clamping action in a short time, and shortens the time of each welding cycle. The efficient operation mode makes the production line turn over faster, and improves the overall production efficiency.

[0017] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in combination with the drawings and embodiments, in which:

[0019] Fig. 1 It is a schematic view of one of the utility model embodiments of a water heater inner container welding tool;

[0020] Fig. 2A schematic view of a water heater inner container welding tool of the embodiment of the present application.

[0021] Fig. 3 A schematic view of the first limiting seat of the embodiment of the present application.

[0022] The figure mark is: support seat 100;First clamping assembly 110;Second clamping assembly 120;Connecting rod 130;Bearing seat 140;First pressure closer 150;First limiting seat 160 second limiting seat 170;Annular slot 180;Through hole 190;Positioning hole 200;Circular bottom surface 210;Circular side wall 220;Convex column 230. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as limiting the present application.

[0024] In the description of the present application, it is understood that the orientation description, such as the orientation or position relationship of the upper, lower, front, rear, left, right, etc. indicated is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as limiting the present application.

[0025] In the description of the present application, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. is understood as not including the number, above, below, etc. is understood as including the number. If it is described to the first, second, only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0026] In the description of the utility model, unless otherwise expressly limited, the words such as setting, installation, connection should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.In the description of the utility model, the description of reference terms such as '' an embodiment '', '' some embodiments '', '' illustrative embodiment '', '' example '', '' specific example '' or '' some examples '' means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model.In the description of the utility model, the illustrative representation of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] With reference to Figs. 1-3 A water heater inner container welding tool, comprising: an inner container device, comprising an inner container body, a first side plate and a second side plate, the first side plate is provided with a water inlet, the second side plate is provided with a water outlet, one end of the inner container body is provided with a first opening, the other end of the inner container body is provided with a second opening, the first opening and the first side plate are mutually adapted, and the second side plate and the second opening are mutually adapted;

[0028] Support seat 100, with the inner container body is mutually adapted, and the inner container body can be movably clamped in support seat 100;

[0029] Clamping device, comprising first clamping assembly 110 and second clamping assembly 120, first clamping assembly 110 is arranged at one end of support seat 100, and second clamping assembly 120 is arranged at the other end of support seat 100, first clamping assembly 110 includes first limit seat 160 and first pressure closer 150, and first limit seat 160 and first pressure closer 150 are drivingly connected, second clamping assembly 120 includes second limit seat 170 and second pressure closer (not shown in the figure), and second limit seat 170 and second pressure closer are drivingly connected, the first side plate and the first limit seat 160 are mutually adapted, and the second side plate and the second limit seat 170 are mutually adapted.

[0030] The accurate alignment between the inner container body and the two side plates is ensured through the matching design of the first opening and the first side plate and the second opening and the second side plate, and the problems of uneven welding or missed welding in the traditional clamping mode are avoided; the first limiting seat 160 and the second limiting seat 170 are matched with the first side plate and the second side plate respectively, so that the connecting head of the water inlet and the water outlet is not extruded in the clamping process, the deformation problem of the connecting head caused by the traditional clamping tool is avoided, the quality of subsequent pipeline connection is ensured, and potential safety hazards are eliminated; the water heater inner container welding tool provided by the utility model solves the problems of inaccurate positioning, vulnerable connecting head and complex operation in the prior art through the unique design and multiple innovations, significantly improves the welding quality and production efficiency, and provides a more advanced and reliable solution for the water heater manufacturing industry.

[0031] The first limiting seat 160 comprises a circular bottom surface 210 and a circular side wall 220, the circular bottom surface 210 is provided with a convex column 230, the convex column 230 is matched with the water inlet, the convex column 230 is inserted into the water inlet, and the first side plate is clamped on the inner wall of the circular side wall 220. Through the arrangement of the convex column 230 matched with the water inlet on the circular bottom surface 210, the accurate alignment between the first side plate and the inner container body is ensured, and the design that the convex column 230 is inserted into the water inlet effectively prevents the displacement of the side plate in the welding process, and ensures the consistency and accuracy of the welding position.

[0032] The second limiting seat 170 is provided with an annular slot 180 matched with the second side plate, the annular slot 180 is provided with a through hole 190, and the through hole 190 is matched with the water outlet. The design of the annular slot 180 simplifies the installation and adjustment process of the second side plate, the operator can quickly and accurately place the side plate into the limiting seat, and the assembly time and difficulty are reduced, and the design is also convenient for later maintenance and replacement of parts.

[0033] A plurality of positioning holes 200 are further arranged in the annular slot 180, the plurality of positioning holes 200 are annularly arranged on the outer edge of the through hole 190, and the diameter of the positioning hole 200 is smaller than that of the through hole 190. The operator can fine-tune the angle of the second side plate relative to the inner container body by selecting different positioning holes 200, and the flexibility makes it easy to finely adjust the angle of the side plate during the installation process, so that the best welding position is ensured.

[0034] A bearing seat 140 is arranged between the first clamping assembly 110 and the support seat 100, and the output shaft of the first pressing device 150 penetrates the bearing seat 140. The bearing seat 140 effectively reduces the friction between the moving parts, ensures the smoothness and stability of the pressing device, and improves the accuracy of the whole clamping process.

[0035] The axes of the first limiting seat 160, the second limiting seat 170 and the support seat 100 overlap with each other. It ensures the complete alignment of the first limiting seat 160, the second limiting seat 170 and the support seat 100 in space. This makes the relative position between the inner container body and the two side plates fixed, greatly improves the positioning accuracy during welding, and ensures the quality and consistency of the weld.

[0036] The support seat 100 includes a first support ring and a second support ring, which are semi-ring shapes. The first support ring and the second support ring together form a complete circular support structure, which can be uniformly distributed around the inner container body, ensuring that the inner container receives uniform support force during welding, which helps to maintain the stability and position of the inner container, and improves the welding quality.

[0037] The central angle of the first support ring and the second support ring is 180°. The design of the 180° central angle makes each support ring can be independently installed to the two sides of the inner container, simplifying the assembly process. The operator only needs to clamp the two half rings to the two sides of the inner container, which can quickly complete the installation of the support seat 100, reduce the assembly time and difficulty, and improve the production efficiency.

[0038] The bottom of the support seat 100 is provided with a connecting rod 130, one end of the connecting rod 130 is connected with the bottom of the first limiting seat 160, and the other end is connected with the bottom of the second limiting seat 170. The structural rigidity and stability of the entire tooling device are enhanced, which ensures that the relative position between the components is fixed during welding, avoids displacement caused by external force or vibration, and improves the welding quality.

[0039] The first clamping assembly 110 and the second clamping assembly 120 are air cylinders. The air cylinder has the characteristics of fast response, which can complete the clamping action in a short time, and shorten the time of each welding cycle. The efficient operation mode makes the production line can turn faster, improves the overall production efficiency.

[0040] Reference Figs. 1-3The utility model aims at solving the problems of inaccurate positioning, vulnerable connecting head, complicated operation and the like in the prior art. The inner container device comprises an inner container body, a first side plate and a second side plate. The first side plate is provided with a water inlet and a connecting head protruding at the water inlet; the second side plate is provided with a water outlet and a connecting head protruding at the water outlet. One end of the inner container body is provided with a first opening, and the other end is provided with a second opening, which are respectively matched with the first side plate and the second side plate to ensure the accurate alignment between the inner container body and the two side plates. The support seat 100 is matched with the inner container body, allowing the inner container body to be movably clamped thereon. The support seat 100 is composed of a first support ring and a second support ring, both of which are semicircular structures with a corresponding central angle of 180°. This design allows the support seat 100 to flexibly adapt to inner container bodies of different diameters, while providing uniform and stable support force to ensure that the position of the inner container remains unchanged during the welding process.

[0041] The first limiting seat 160 comprises a circular bottom surface 210 and a circular side wall 220, and a protruding column 230 is arranged on the circular bottom surface 210, which is matched with and inserted into the water inlet on the first side plate. The first side plate is clamped to the inner wall of the circular side wall 220, ensuring that the water inlet connecting head is not extruded during clamping and avoiding deformation problems that may be caused by traditional clamping methods. The second limiting seat 170 is provided with an annular slot 180, which is matched with the second side plate to ensure close cooperation between them. A through hole 190 is arranged in the annular slot 180 (the original second opening is changed to the through hole 190), which is matched with the water outlet on the second side plate, ensuring that the water outlet connecting head can completely penetrate the limiting seat, eliminating any possible obstruction or extrusion risk. In addition, a plurality of positioning holes 200 are arranged in the annular slot 180, which are arranged around the outer edge of the through hole 190, used for fine adjustment of the angle of the second side plate relative to the inner container body, improving the positioning efficiency and accuracy.

[0042] The clamping device comprises a first clamping assembly 110 and a second clamping assembly 120, both of which are air cylinders. The air cylinders are automatically operated through a control system, can quickly respond and provide stable and adjustable clamping force, and ensure the close fixing between the inner container and the side plate. The first clamping assembly 110 is arranged at one end of the support seat 100 and comprises a first limiting seat 160 and a first pressure tightener 150; the second clamping assembly 120 is arranged at the other end of the support seat 100 and comprises a second limiting seat 170 and a second pressure tightener. The first limiting seat 160 and the first pressure tightener 150 are in transmission connection, and the second limiting seat 170 and the second pressure tightener are in transmission connection, ensuring the efficiency and reliability of the clamping process.

[0043] The bottom of the support base 100 is provided with a connecting rod 130, one end of the connecting rod 130 is connected with the bottom of the first limiting seat 160, and the other end is connected with the bottom of the second limiting seat 170. This design enhances the structural rigidity and stability of the whole tooling device, ensures that the relative positions between various components are fixed during the welding process, and avoids displacement caused by external force or vibration.

[0044] A bearing seat 140 is arranged between the first clamping assembly 110 and the support base 100, and the output shaft of the first pressing device 150 penetrates the bearing seat 140. The bearing seat 140 reduces the friction between moving parts, ensures the smoothness and stability of the pressing device, and improves the accuracy and efficiency of the clamping process.

[0045] When using the water heater liner welding tool provided by the present application, first, the liner body is placed on the support base 100, and the first opening and the second opening at both ends are respectively matched with the first side plate and the second side plate. Then, the first side plate and the second side plate are fixed by the first limiting seat 160 and the second limiting seat 170 respectively, and the safety and accurate alignment of the water inlet and outlet connectors are ensured. Next, the cylinders of the first clamping assembly 110 and the second clamping assembly 120 are started to realize automatic clamping operation, and the tight fixing between the liner and the side plate is ensured. Finally, welding operation is carried out in a stable clamping state to ensure the quality and consistency of the weld.

[0046] In the second embodiment, the second limiting seat 170 is fixed, and the pressing of the liner device is realized by the movement of the first pressing device 150 towards the second limiting seat 170. When using the water heater liner welding tool provided by the second embodiment, first, the liner body is placed on the support base 100, and the first opening and the second opening at both ends are respectively matched with the first side plate and the second side plate. Then, the first side plate is fixed by the first limiting seat 160, and the safety and accurate alignment of the water inlet and outlet connectors are ensured. Next, the cylinder of the first clamping assembly 110 is started to make the first pressing device 150 move towards the second limiting seat 170, and the liner body, the first side plate and the second side plate are tightly pressed together. Finally, welding operation is carried out in a stable clamping state to ensure the quality and consistency of the weld.

[0047] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present application.

Claims

1. A water heater tank welding tool, characterized in that, The utility model relates to a water tank device, which comprises an inner container, a first side plate, a second side plate, a support seat, a first clamping assembly and a second clamping assembly. The inner container is movably connected to the support seat. The first clamping assembly comprises a first limiting seat and a first pressing device, and the second clamping assembly comprises a second limiting seat and a second pressing device. The first limiting seat comprises a circular bottom surface and a circular side wall, and the circular bottom surface is provided with a convex column which is matched with the water inlet and is inserted into the water inlet.

2. The water heater inner tank welding tooling of claim 1, wherein, The second limiting seat is provided with an annular slot which is matched with the second side plate and is provided with a through hole which is matched with the water outlet.

3. The water heater inner tank welding tooling of claim 1, wherein, The annular slot is further provided with a plurality of positioning holes which are arranged around the outer edge of the through hole and have a smaller diameter than the through hole.

4. The water heater inner tank welding tooling of claim 3, wherein, The first clamping assembly and the support seat are provided with a bearing seat, and the output shaft of the first pressing device penetrates through the bearing seat.

5. The water heater tank welding tool of claim 1, wherein, The axes of the first limiting seat, the second limiting seat and the support seat are overlapped with each other.

6. The water heater tank welding tool of claim 1, wherein, The support seat comprises a first support ring and a second support ring which are semicircular in shape.

7. The water heater tank welding tool of claim 1, wherein, The central angles of the first support ring and the second support ring are 180 degrees.

8. The water heater tank welding tool according to claim 7, wherein, The bottom of the support seat is provided with a connecting rod which is connected to the bottom of the first limiting seat at one end and to the bottom of the second limiting seat at the other end.

9. The water heater tank welding tool of claim 1, wherein, The first clamping assembly and the second clamping assembly are air cylinders.

10. The water heater tank welding tool of claim 1, wherein, ​

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