Fixture for welding heat exchanger sheets

By combining the adjustable spacing structure and the clamping structure, and using the motor and lead screw to adjust the position, accurate positioning and welding of heat exchanger plates is achieved, solving the problem that traditional fixtures cannot guarantee consistent positioning.

CN223748884UActive Publication Date: 2026-01-02TIANJIN DIGUANG ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520160842.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-02
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Traditional heat exchanger plate welding fixtures cannot ensure that the plates overlap in the same position, resulting in inaccurate welding.

Method used

The system employs an adjustable pitch structure and a clamping structure. The position is adjusted by driving a bidirectional lead screw and slider with an adjustable pitch motor, and the heat exchanger plates are clamped and fixed by an electric telescopic rod, ensuring that each set of plates is fixed in the same position.

Benefits of technology

It enables accurate welding of heat exchanger plates in the same position, solving the welding error problem caused by traditional fixtures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixture for heat exchanger sheet welding, which comprises a bottom plate, a supporting plate, a heat exchanger sheet, a distance adjusting structure and a clamping structure, the distance adjusting structure comprises a vertical plate, a bidirectional screw rod, a distance adjusting motor, a sliding block and a U-shaped limiting plate, and the clamping structure comprises an electric telescopic rod and a clamping block which are transversely arranged. The utility model belongs to the technical field of tool clamps, and particularly relates to a clamp for welding a heat exchanger plate. The problem that accurate welding cannot be achieved during welding due to the fact that a traditional heat exchanger plate welding clamp cannot fix a heat exchanger to the same position is effectively solved. The clamp is a novel modern clamp for welding the heat exchanger plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of frock clamp, specifically point to a kind of clamp for heat exchanger sheet welding. BACKGROUND

[0002] Plate heat exchanger is by a series of metal sheet with certain corrugated shape and is stacked into a kind of high-efficiency heat exchanger. Thin rectangular channel is formed between various sheets, and heat exchange is carried out through sheet. Heat exchanger sheet needs to be welded during production, and clamp needs to be used during welding.

[0003] The clamp for heat exchanger sheet welding in prior art cannot fix heat exchanger at the same position, and cannot guarantee that the position of the next group of heat exchanger sheets coincides with the position of the previous group of sheets when the next group of heat exchanger sheets is replaced, which can cause inaccurate welding during welding. INVENTION CONTENTS

[0004] The utility model solves the problem that the traditional clamp for heat exchanger sheet welding cannot fix heat exchanger at the same position, which can cause inaccurate welding during welding.

[0005] To solve the above technical problems, the utility model provides a kind of clamp for heat exchanger sheet welding, including bottom plate, support plate, heat exchanger sheet, distance adjusting structure and clamping structure, the support plate is fixed on the middle part of bottom plate upper side, the heat exchanger sheet is placed on support plate, the distance adjusting structure is fixed on the bottom plate and is located on the both sides of support plate, and the clamping structure is located on distance adjusting structure.

[0006] Further, the distance adjusting structure includes vertical plate, bidirectional screw rod, distance adjusting motor, sliding block and U-shaped limiting plate, the vertical plate is fixed on the both ends of bottom plate upper side, the bidirectional screw rod is rotatably arranged on the two groups of vertical plates, the bidirectional screw rod is driven by distance adjusting motor fixed on the side edge of vertical plate, the sliding block is threadedly connected on the two groups of threads of bidirectional screw rod, and the U-shaped limiting plate is fixed on the both ends of vertical plate and symmetrically provided with two groups of sliding blocks.

[0007] Further, the clamping structure includes horizontally arranged electric telescopic rod and clamping block, the electric telescopic rod is fixed on the side edge of sliding block, and the clamping block is fixed on the telescopic end of electric telescopic rod.

[0008] Further, the clamping block is arranged as horizontal U-shaped.

[0009] Further, the distance adjusting structure and clamping structure are symmetrically provided with two groups of support plate middle parts.

[0010] Further, the bottom plate upper side is fixed with baffle, and the baffle is arranged on one side of support plate.

[0011] The utility model has the beneficial effects as follows by adopting the above structure:

[0012] By placing the heat exchanger sheet from the side without the baffle on the support plate until the heat exchanger sheet abuts against the baffle, operating the distance adjusting motor to rotate the bidirectional screw rod to adjust the sliding block to the appropriate position, and operating the electric telescopic rod to extend to clamp and fix the heat exchanger sheet, since the distance adjusting structure and the clamping structure are symmetrical about the middle part of the support plate, and the position of the baffle is fixed, therefore, each group of heat exchanger sheets is fixed to the same position after clamping, the problem that the traditional heat exchanger sheet welding clamp cannot accurately weld when welding due to the fact that the heat exchanger cannot be fixed at the same position is solved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The overall structure of the embodiment of the utility model Figure 1 ;

[0014] Figure 2 The overall structure of the embodiment of the utility model Figure 2 ;

[0015] Figure 3 The cross section of the embodiment of the utility model Figure 1 ;

[0016] Figure 4 The cross section of the embodiment of the utility model Figure 2 .

[0017] Among them, 1, bottom plate, 2, support plate, 3, heat exchanger sheet, 4, distance adjusting structure, 5, clamping structure, 6, vertical plate, 7, bidirectional screw rod, 8, distance adjusting motor, 9, sliding block, 10, U-shaped limiting plate, 11, electric telescopic rod, 12, clamping block, 13, baffle.

[0018] The accompanying drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation of the utility model. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a 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 the person skilled in the art without creative labor are within the protection scope of the utility model.

[0020] As Figures 1-4As shown in the utility model discloses a kind of clamps for heat exchanger sheet welding, including bottom plate 1, support plate 2, heat exchanger sheet 3, distance adjusting structure 4 and clamping structure 5, support plate 2 is fixed on the upside middle part of bottom plate 1, heat exchanger sheet 3 is placed with support plate 2, distance adjusting structure 4 is fixed on bottom plate 1 and is located at the both sides of support plate 2, clamping structure 5 is located on distance adjusting structure 4, to fix the position of heat exchanger sheet 3, baffle 13 is fixed on the upside of bottom plate 1, baffle 13 is located at the side of support plate 2.

[0021] As shown in the description Figure 3 Distance adjusting structure 4 includes vertical plate 6, bidirectional screw rod 7, distance adjusting motor 8, sliding block 9 and U-shaped limiting plate 10, vertical plate 6 is fixed on the upside both ends of bottom plate 1, bidirectional screw rod 7 is rotatably arranged on two groups of vertical plate 6, bidirectional screw rod 7 is driven by distance adjusting motor 8 fixed on the side of vertical plate 6, sliding block 9 is threadedly connected on the two groups of threads of bidirectional screw rod 7, and U-shaped limiting plate 10 is fixed on the both ends of vertical plate 6 and symmetrically provided with two groups of sliding blocks 9.

[0022] As shown in the description Figure 4 Clamping structure 5 includes horizontally arranged electric telescopic rod 11 and clamping block 12, electric telescopic rod 11 is fixed on the side of sliding block 9, and clamping block 12 is fixed on the telescopic end of electric telescopic rod 11, so as to clamp heat exchanger sheet 3, clamping block 12 is arranged in horizontal U-shaped.

[0023] In order to clamp heat exchanger sheet 3 to be symmetrical about support plate 2, distance adjusting structure 4 and clamping structure 5 are symmetrically provided with two groups about the middle part of support plate 2.

[0024] Specifically, heat exchanger sheet 3 is placed on support plate 2 from the side without baffle 13 until heat exchanger sheet 3 abuts against baffle 13, distance adjusting motor 8 is operated to rotate bidirectional screw rod 7 to adjust sliding block 9 to a suitable position, and electric telescopic rod 11 is operated to extend to clamp and fix heat exchanger sheet 3, since distance adjusting structure 4 and clamping structure 5 are symmetrically arranged about the middle part of support plate 2, each group of heat exchanger sheet 3 is fixed to the same position after clamping, when welding is completed at other positions, distance adjusting motor 8 can be operated to adjust sliding block 9 to other positions, and the clamped position is welded, and the above is the use process of the clamp for heat exchanger sheet 3 welding.

[0025] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities 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.

[0026] 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 following claims and their equivalents.

[0027] The above description of the present application and its embodiments has been described, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A fixture for heat exchanger gasket welding, characterized by: It includes bottom plate (1), support plate (2), heat exchanger plate (3), distance adjusting structure (4) and clamping structure (5), the support plate (2) is fixed in the middle of the upper side of the bottom plate (1), the heat exchanger plate (3) is placed on the support plate (2), the distance adjusting structure (4) is fixed on the bottom plate (1) and is arranged on both sides of the support plate (2), and the clamping structure (5) is arranged on the distance adjusting structure (4).

2. A fixture for welding heat exchanger plates according to claim 1, characterized in that: The distance adjusting structure (4) includes vertical plate (6), bidirectional screw rod (7), distance adjusting motor (8), sliding block (9) and U-shaped limiting plate (10), the vertical plate (6) is fixed on both ends of the upper side of the bottom plate (1), the bidirectional screw rod (7) is rotatably arranged on the two groups of vertical plates (6), the bidirectional screw rod (7) is driven by the distance adjusting motor (8) fixed on the side of the vertical plate (6), the sliding block (9) is threadedly connected on the two groups of threads of the bidirectional screw rod (7), and the U-shaped limiting plate (10) is fixed on the vertical plate (6) at both ends and is symmetrically provided with two groups of sliding blocks (9).

3. A fixture for welding heat exchanger plates according to claim 2, characterized in that: The clamping structure (5) includes horizontally arranged electric telescopic rod (11) and clamping block (12), the electric telescopic rod (11) is fixed on the side of the sliding block (9), and the clamping block (12) is fixed on the telescopic end of the electric telescopic rod (11).

4. A fixture for welding heat exchanger plates according to claim 3, characterized in that: The clamping block (12) is arranged in the horizontal U-shaped.

5. A fixture for welding heat exchanger plates according to claim 3, characterized in that The distance adjusting structure (4) and the clamping structure (5) are symmetrically provided with two groups about the middle part of the support plate (2).

6. A fixture for welding heat exchanger plates according to claim 1, characterized in that: The upper side of the bottom plate (1) is fixed with a baffle (13), and the baffle (13) is arranged on one side of the support plate (2).