Limiting fool-proof tool for welding of heat gun
By designing a hot air gun welding limit and error-proof fixture, the problems of easy deformation and complex structure of water-gas separation exhaust valve products in high-temperature environments were solved, achieving high-precision welding and stable posture, reducing the defect rate and improving processing accuracy and efficiency.
Patent Information
- Application Number
- CN202520248262.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-17
AI Technical Summary
When welding water-gas separation exhaust valves with hot air guns, the polymer materials are prone to deformation and have complex structures under high temperature environments, which can lead to incorrect welding positions, increase the defect rate, and reduce processing accuracy.
A hot air gun welding limit and foolproof fixture was designed, including a base, a product base plate, a first positioning plate and a second positioning plate. Through the cooperation of positioning columns and positioning holes, the four exhaust valves are accurately positioned and welded in a stable posture.
High-precision welding was achieved, reducing the defect rate, improving processing accuracy and welding efficiency, and ensuring the accuracy of the welding position.
Smart Images

Figure CN223848459U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hot -air gun welding technical field, concretely is hot -air gun welding limiting foolproof frock. BACKGROUND
[0002] In industrial and civil systems, water and air are often mixed in pipelines, which can lead to reduced system efficiency and equipment damage. Traditional exhaust valves cannot effectively separate water and gas, leading to incomplete exhaust and difficult system maintenance. Therefore, water-gas separation exhaust valve is of great significance for improving system efficiency and safety.
[0003] Hot air gun welding limiting foolproof frock is needed in the hot air gun welding process. In the prior art, when the water-gas separation exhaust valve product is welded, the product is composed of high molecular materials, so it is easy to deform in a high temperature environment and difficult to fix. At the same time, the structure of the product is complex, with four exhaust valve structures, so it is easy to appear the problem of wrong welding position when using the hot air gun to weld, which leads to the welding position cannot meet the drawing requirements, thereby increasing the rate of defective products and reducing the machining precision, and cannot meet the production demand, so the hot air gun welding limiting foolproof frock is proposed to solve the above problems. SUMMARY
[0004] In view of the defects of the prior art, the utility model provides a hot air gun welding limiting foolproof frock, which has the advantages of high welding precision and strong practicality, and solves the problem that in the prior art, when the water-gas separation exhaust valve product is welded, the product is composed of high molecular materials, so it is easy to deform in a high temperature environment and difficult to fix. At the same time, the structure of the product is complex, with four exhaust valve structures, so it is easy to appear the problem of wrong welding position when using the hot air gun to weld, which leads to the welding position cannot meet the drawing requirements, thereby increasing the rate of defective products and reducing the machining precision, and cannot meet the production demand.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a hot air gun welding limiting foolproof frock, comprising a base, a product bottom plate arranged on the upper surface of the base, and four exhaust valve bodies arranged on the upper surface of the product bottom plate, and a fixing tool arranged on the top of the base;
[0006] The fixing tool comprises two first positioning plates fixedly connected to one side of the top of the base and a second positioning plate fixedly connected to the other side of the top of the base, a first positioning column penetrating the left exhaust valve body is inserted into the inside of the first positioning plate, and a second positioning column penetrating the right exhaust valve body is inserted into the inside of the second positioning plate.
[0007] Further, the two first positioning plates are L-shaped, and a positioning hole matched with the first positioning column is formed in the interior of each of the two first positioning plates.
[0008] Further, a guide hole penetrating through the interior of each of the four exhaust valve bodies is formed in the interior of each of the four exhaust valve bodies, and the outer diameters of the first positioning column and the second positioning column are matched with the inner diameter of the guide hole.
[0009] Further, two limiting holes are formed in the interior of the second positioning plate, and a second positioning column penetrating through and extending to the exterior of the exhaust valve body is inserted into each of the two limiting holes.
[0010] Further, the product bottom plate is a solid cube, and the first positioning plate and the second positioning plate are respectively in contact with three edges of the product bottom plate.
[0011] Further, four mounting holes are formed in the interior of the product bottom plate, and the outer diameter of the exhaust valve body is matched with the inner diameter of the mounting hole.
[0012] Further, four circular grooves are formed in the interior of the base, and the outer diameter of the exhaust valve body is matched with the inner diameter of the circular groove.
[0013] Compared with the prior art, the hot air gun welding limiting fool-proof tool has the following beneficial effects:
[0014] 1. The hot air gun welding limiting fool-proof tool, by means of the two first positioning plates and the second positioning plate, the three edges of the product bottom plate can be directly positioned, thereby completing the positioning of the four exhaust valves on the water-gas separation exhaust valve product, and by means of the cooperation of the first positioning column, the second positioning column, the first positioning plate and the second positioning plate, the four exhaust valve bodies can be positioned, and based on this, welding is carried out, so that the purpose of precise positioning and welding position is achieved, thereby reducing the rate of defective products, improving the machining precision and the welding efficiency, and achieving the advantage of high welding precision.
[0015] 2. The hot air gun welding limiting fool-proof tool, by means of the mounting hole, the four exhaust valve bodies can be preliminarily positioned by the product bottom plate, so that the exhaust valve body cannot be moved due to vibration or external force during the welding process, and by means of the circular groove, the exhaust valve body can maintain a stable posture during the welding process, so that the precision and efficiency of welding are improved, and the advantage of high practicability is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a structural perspective view of the utility model;
[0017] Fig. 2It is the structure perspective drawing of the product bottom plate and the exhaust valve body of the utility model;
[0018] Fig. 3 It is the structure perspective drawing of the first positioning plate and the second positioning plate of the utility model;
[0019] Fig. 4 It is the structure perspective drawing of the product bottom plate and the mounting port of the utility model;
[0020] Fig. 5 It is the structure perspective drawing of the base and the circular groove of the utility model.
[0021] In the drawing: 1, base; 2, product bottom plate; 3, exhaust valve body; 4, first positioning plate; 5, positioning hole; 6, first positioning column; 7, second positioning plate; 8, limiting hole; 9, second positioning column; 10, guide hole; 11, mounting port; 12, circular groove. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one:
[0023] Please refer to Figs. 1 to 5 The hot air gun welding limiting fool-proof tool in the embodiment includes a base 1, a product bottom plate 2 arranged on the upper surface of the base 1 and four exhaust valve bodies 3 arranged on the upper surface of the product bottom plate 2. The top of the base 1 is provided with a fixing tool. The fixing tool includes two first positioning plates 4 fixedly connected to one side of the top of the base 1 and a second positioning plate 7 fixedly connected to the other side of the top of the base 1. The inside of the first positioning plate 4 is inserted with a first positioning column 6 penetrating through the left exhaust valve body 3. The inside of the second positioning plate 7 is inserted with a second positioning column 9 penetrating through the right exhaust valve body 3. The hot air gun welding limiting fool-proof tool is convenient for directly contacting and positioning the three edges of the product bottom plate 2 by arranging two first positioning plates 4 and a second positioning plate 7. Thus, the positioning work of the four exhaust valves on the water-gas separation exhaust valve product is completed. The four exhaust valve bodies 3 are conveniently positioned by the cooperation of the first positioning column 6, the second positioning column 9, the first positioning plate 4 and the second positioning plate 7. The welding is carried out on this basis. The purpose of accurate positioning of the welding position is achieved. Thus, the percentage of defective products is reduced, the machining precision and the welding efficiency are improved, and the welding precision is high.
[0024] Both of the first positioning plates 4 are L-shaped, and the interiors of both of the first positioning plates 4 are provided with positioning holes 5 matched with the first positioning columns 6.
[0025] Specifically, the interiors of the four exhaust valve bodies 3 are provided with guide holes 10 penetrating the interiors thereof, and the outer diameters of the first positioning columns 6 and the second positioning columns 9 are matched with the inner diameters of the guide holes 10.
[0026] It should be noted that the interior of the second positioning plate 7 is provided with two limiting holes 8, and the interiors of the two limiting holes 8 are inserted with the second positioning columns 9 penetrating and extending to the exterior of the exhaust valve body 3.
[0027] In the embodiment, the product base plate 2 is a solid cube, and the first positioning plate 4 and the second positioning plate 7 are respectively in contact with three edges of the product base plate 2.
[0028] The interior of the product base plate 2 is provided with four mounting holes 11, and the outer diameter of the exhaust valve body 3 is matched with the inner diameter of the mounting hole 11. Embodiment Two
[0029] Please refer to Figs. 1 to 5 On the basis of the embodiment one, four circular grooves 12 are provided in the interior of the base 1, and the outer diameter of the exhaust valve body 3 is matched with the inner diameter of the circular groove 12. By providing the circular groove 12, the exhaust valve body 3 can keep a stable posture during the welding process, and the welding precision and efficiency are improved, thereby achieving the advantage of strong practicability.
[0030] By adopting the above technical scheme, the exhaust valve body 3 can keep a stable posture during the welding process, and the welding precision and efficiency are improved, thereby achieving the advantage of strong practicability.
[0031] The working principle of the above embodiment is as follows:
[0032] In use, first, the exhaust valve body 3 to be welded is placed in the circular groove 12 of the base 1, and then the directions of the four exhaust valve bodies 3 are adjusted according to the drawing, wherein the directions of two exhaust valve bodies 3 are opposite and outward, and the directions of the other two exhaust valve bodies 3 are the same and perpendicular. The three edges of the product base plate 2 are directly positioned by the two first positioning plates 4 and the second positioning plate 7, thereby completing the positioning work of the four exhaust valves on the water-gas separation exhaust valve product. The four exhaust valve bodies 3 are positioned by the cooperation of the first positioning column 6, the second positioning column 9, the first positioning plate 4 and the second positioning plate 7, and then welded, so that the accuracy of the solid structure size of the blank can be ensured, and the problem that the product is easily deformed by heat is avoided.
[0033] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify a subject or action from another subject or action, without necessarily requiring or implying any actual relationship or order between such subjects or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A hot air gun welding limiting fool-proof tool, characterized in that: Including base (1), product bottom plate (2) and four exhaust valve bodies (3) arranged on the upper surface of the product bottom plate (2) arranged on the upper surface of the base (1), the top of the base (1) is provided with a fixing tool; The fixing tool includes two first positioning plates (4) fixedly connected to one side of the top of the base (1) and a second positioning plate (7) fixedly connected to the other side of the top of the base (1), the first positioning plate (4) is inserted with a first positioning column (6) penetrating the left exhaust valve body (3), and the second positioning plate (7) is inserted with a second positioning column (9) penetrating the right exhaust valve body (3).
2. The hot air gun welding limiting fool-proof tooling according to claim 1, characterized in that: Both the first positioning plate (4) is L-shaped, and the inside of the first positioning plate (4) is provided with a positioning hole (5) matched with the first positioning column (6), and the outer diameter of the first positioning column (6) is matched with the inner diameter of the positioning hole (5).
3. The hot air gun welding limiting fool-proof tooling according to claim 1, characterized in that: The inside of the four exhaust valve bodies (3) is provided with a guide hole (10) penetrating the inside thereof, and the outer diameters of the first positioning column (6) and the second positioning column (9) are matched with the inner diameter of the guide hole (10).
4. The hot air gun welding limiting fool-proof tooling according to claim 1, characterized in that: The inside of the second positioning plate (7) is provided with two limiting holes (8), and the inside of the two limiting holes (8) is inserted with a second positioning column (9) penetrating and extending to the outside of the exhaust valve body (3).
5. The hot air gun welding limiting fool-proof tooling of claim 1, wherein: The product bottom plate (2) is a solid cube, and the first positioning plate (4) and the second positioning plate (7) are respectively in contact with three edges of the product bottom plate (2).
6. The hot air gun welding limiting fool-proof tooling of claim 1, wherein: The inside of the product bottom plate (2) is provided with four mounting holes (11), and the outer diameter of the exhaust valve body (3) is matched with the inner diameter of the mounting hole (11).
7. The hot air gun welding limiting fool-proof tooling of claim 1, wherein: The inside of the base (1) is provided with four circular grooves (12), and the outer diameter of the exhaust valve body (3) is matched with the inner diameter of the circular groove (12).