Liravar elbow tailor-welding device

Abstract

The utility model relates to the technical field of welding tools, in particular to a liravar elbow tailor-welding tool which is composed of a base, a side plate, a bent frame supporting plate, a connecting plate supporting plate, a limiting block, a positioning block, a first rapid pressing clamp and a second rapid pressing clamp. The side plate is fixed to one side of the base, the two first rapid pressing pliers are arranged on the side plate, the limiting block and the positioning block are installed on the side plate, and the positioning block is provided with a positioning structure with a through hole. The bent frame supporting plate and the connecting plate supporting plate are located on the two sides of the base respectively, a first positioning groove is formed in the bent frame supporting plate, a plurality of second positioning grooves are formed in the connecting plate supporting plate, and the second rapid pressing clamp is installed on the base. According to the tool, accurate positioning and fixing of the bent pipe part are achieved through the positioning groove and the pressing clamp structure, manual splicing errors are effectively avoided, the accuracy and consistency of the welding position are remarkably improved, and therefore the product welding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding frock technical field, especially a kind of Li La Va elbow pipe splicing welding device. BACKGROUND

[0002] In prior art, the structure of Li La Va elbow pipe is mainly composed of left bending frame 001, right bending frame 002, connecting block 003 and several connecting plates 004. Its manufacturing process needs to weld the connecting plates between the left bending frame and the right bending frame, while the relative position accuracy of the four connecting plates needs to be ensured. The connecting block needs to be welded on the inner side of the left bending frame, and the top of the left and right bending frames needs to be welded with cross beam 005. However, the traditional process has the following significant defects:

[0003] Insufficient positioning accuracy:

[0004] Due to the lack of special tooling, workers need to manually splice each component, which is difficult to ensure the relative position of the connecting plate and the bending frame, resulting in large overall size deviation of the elbow pipe after welding, affecting the subsequent assembly and use performance.

[0005] Unstable welding quality:

[0006] Manual positioning is prone to cause welding deformation, and the components are prone to displacement during the welding process, resulting in discontinuous welds, insufficient strength, and the need for repeated rework, increasing material loss and production cost.

[0007] Low production efficiency:

[0008] Manual splicing and adjustment is time-consuming and labor-intensive, especially for the synchronous positioning of multiple connecting plates, which requires long production rhythm and is difficult to meet the needs of mass production.

[0009] High labor intensity:

[0010] Workers need to frequently adjust the position of the components and apply external force to fix them, which is a tedious operation process with high labor intensity and safety hazards.

[0011] In view of the above problems, the prior art needs a special tooling to achieve precise positioning, quick clamping and stable welding through structure optimization, so as to improve product quality, production efficiency and reduce labor cost. INVENTION CONTENTS

[0012] The utility model discloses in order to effectively solve the problem in the prior art, proposes a kind of Li La Va elbow pipe splicing welding device.

[0013] The specific technical scheme is as follows: a lira bent pipe splicing tool is composed of a base, a side plate, a bending frame support plate, a connecting plate support plate, a limiting block, a positioning block, a first quick pressing clamp and a second quick pressing clamp; the side plate is fixed on one side of the base, two first quick pressing clamps are arranged on the side plate, the limiting block and the positioning block are respectively arranged on the side plate, the positioning block is provided with a positioning structure with a through hole; the bending frame support plate and the connecting plate support plate are respectively arranged on two sides of the base, the bending frame support plate is provided with a first positioning groove, the connecting plate support plate is provided with a plurality of second positioning grooves, and the second quick pressing clamp is arranged on the base.

[0014] Preferably, the first quick pressing clamp is used for tightly fixing the upper parts of the left bending frame and the right bending frame on the side plate, and the limiting block is used for limiting the outer sides of the left bending frame and the right bending frame.

[0015] Preferably, a positioning pin is arranged in the through hole of the positioning block, and the positioning pin is used for limiting and fixing the connecting block on the positioning block.

[0016] Preferably, the first positioning groove of the bending frame support plate is matched with the bottom structure of the left bending frame and the right bending frame, and the second positioning groove of the connecting plate support plate corresponds to the mounting position of the connecting plate.

[0017] Preferably, the second quick pressing clamp is arranged below the bending frame support plate and is used for tightly fixing the lower parts of the left bending frame and the right bending frame.

[0018] The lira bent pipe splicing tool has the advantages that: the tool realizes accurate positioning and fixing of the bent pipe component through the positioning groove and the pressing clamp structure, effectively avoids manual splicing error, significantly improves the accuracy and consistency of the welding position, and thus improves the product welding quality; the relative position stability of the left bending frame, the right bending frame and the connecting block is ensured through cooperation of the limiting block and the positioning block, and the welding deformation risk is reduced; the design of the quick pressing clamp makes the clamping process simple and fast, greatly shortens the production auxiliary time, and improves the production efficiency; the structure design of the support plate and the positioning groove reduces the operation difficulty of workers, and the component preloading can be completed without complex adjustment, thereby saving labor cost; the overall structure of the tool is compact and stable, the repeated positioning precision is high, the tool can realize standardized production, and is suitable for batch processing requirements. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a structural schematic diagram of the utility model;

[0020] Fig. 2 is a structural schematic diagram of the lira bent pipe of the utility model;

[0021] Fig. 3 is a working state diagram of the utility model. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other in the case of no conflict.

[0023] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0024] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection", "fixed connection", "fixed connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0025] The specific implementation of the utility model will be described in detail below in combination with the drawings and preferred embodiments.

[0026] As Figs. 1-3As shown, a kind of lira is bent pipe spliced welding device, including base 1, side plate 2, bending frame support plate 3, connecting plate support plate 4, limit block 5, positioning block 6, first quick pressure clamp 7 and second quick pressure clamp 8, the side plate is fixed in the side of the base, side plate is equipped with two first quick pressure clamp, for the upper part of left bending frame and right bending frame is pressed to side plate, the limit block 5 is arranged on side plate, for the outer side of left bending frame and right bending frame is limited, the positioning block 6 is arranged on side plate, positioning block 6 is equipped with through hole, positioning pin passes through through hole and is limited in positioning block 6, the bending frame support plate and connecting plate support plate are respectively arranged in the two sides of base, bending frame support plate is used to support left bending frame and right bending frame, bending frame support plate 3 is equipped with first positioning groove 9 for limiting the movement of left bending frame and right bending frame, the connecting plate support plate 4 is equipped with a plurality of second positioning groove 10, and the second positioning groove 10 is used to limit the connecting plate 004, and the position of the second positioning groove is matched according to the position of the connecting plate, and the second quick pressure clamp is installed on the base, for the lower part of left bending frame 001, right bending frame 002 is pressed tightly.

[0027] When using, first, left bending frame and right bending frame are placed in the first positioning groove of bending frame support plate respectively, and the bottom is preliminarily limited through the positioning groove;The first quick pressure clamp on the side plate is operated, and the upper part of left bending frame and right bending frame is pressed tightly and fixed on the side plate, while the outer side of the two bending frames is limited by the limit block on the side plate;The connecting block is fixed on the positioning block of the side plate through the positioning pin, to ensure that the connecting block is attached to the inner side of the left bending frame;The connecting plate is placed in the second positioning groove of the connecting plate support plate in sequence, and the position of the connecting plate is pre-positioned through the positioning groove;The second quick pressure clamp on the base is operated, and the lower part of left bending frame and right bending frame is pressed tightly and fixed, to ensure that the overall structure is stable;After the welding operation is completed, all the pressure clamps are loosened, and the welded bending pipe assembly is taken down in sequence.

[0028] Through the cooperation of positioning groove and support plate, the initial position constraint of left bending frame, right bending frame and connecting plate is realized;The mechanical clamping force of quick pressure clamp is used to tightly fix each component on the tool structure, so as to eliminate the displacement risk in the welding process;The freedom of components is limited by physical contact between limit block and positioning block, to ensure the relative position accuracy during welding;The rigid support structure of support plate and positioning groove can disperse welding thermal stress and reduce deformation amount;The convenient operation characteristics of quick pressure clamp shorten the clamping time and improve production efficiency.The overall tool realizes efficient and high-precision welding of bending pipe assembly by combining geometric positioning and mechanical constraint.

[0029] It should be noted that, for those skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, which should be considered within the scope of protection of the present application.

Claims

1. A lira bend splicing device, characterized by: Including base (1), side plate (2), bent frame support plate (3), connecting plate support plate (4), limit block (5), positioning block (6), first quick pressure clamp (7) and second quick pressure clamp (8);The side plate (2) is fixed on one side of the base (1), and the side plate (2) is provided with two first quick pressure clamps (7), the limit block (5) and the positioning block (6) are arranged on the side plate (2) respectively, the positioning block (6) is provided with a positioning structure with a through hole;The bent frame support plate (3) and the connecting plate support plate (4) are arranged on both sides of the base (1), the bent frame support plate (3) is provided with a first positioning groove (9), the connecting plate support plate (4) is provided with a plurality of second positioning grooves (10), and the second quick pressure clamp (8) is installed on the base (1).

2. The lira bend miter welding apparatus of claim 1, wherein: The first quick pressure clamp (7) is used for fixing the upper part of the left bent frame (001) and the right bent frame (002) to the side plate (2), and the limit block (5) is used for limiting the outer side of the left bent frame (001) and the right bent frame (002).

3. The lira bend mated welding device of claim 1, wherein: The positioning pin is arranged in the through hole of the positioning block (6), and the positioning pin is used for limiting and fixing the connecting block (003) on the positioning block (6).

4. The lira bend mending device according to claim 1, characterized in that: The first positioning groove (9) of the bent frame support plate (3) is matched with the bottom structure of the left bent frame (001) and the right bent frame (002), and the second positioning groove (10) of the connecting plate support plate (4) corresponds to the mounting position of the connecting plate (004).

5. The lira bend mated welding apparatus of claim 1, wherein: The second quick pressure clamp (8) is located below the bent frame support plate (3) and is used for fixing the lower part of the left bent frame (001) and the right bent frame (002).

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