Automatic welding workstation for plate reinforcing blocks of plate heat exchanger

By designing an automated welding workstation for plate heat exchanger plate reinforcing blocks, and utilizing a U-shaped structure and robotic system to achieve automated welding of plates and reinforcing blocks, the problems of high labor intensity, low efficiency, and poor quality consistency in existing technologies have been solved, and an efficient and safe welding process has been achieved.

CN223603633UActive Publication Date: 2025-11-28LANZHOU LS HEAT EXCHANGE EQUIP
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Patent Information

Application Number
CN202423175837.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-28
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The welding process for the reinforcing blocks of existing plate heat exchangers is labor-intensive, inefficient, has poor quality consistency, and poses safety risks, requiring automation improvements.

Method used

Design an automatic welding workstation for plate heat exchanger plate reinforcing blocks. It adopts a U-shaped stacking table, centering table, reinforcing block material table and destacking table, combined with plate handling robot and reinforcing block robot, and uses a six-axis robot and positioning column to achieve precise positioning and automatic welding.

Benefits of technology

It improved production efficiency, reduced labor intensity and safety risks, ensured consistent welding quality, and enhanced product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223603633U_ABST
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Abstract

The utility model belongs to the technical field of welding equipment, and discloses a plate heat exchanger plate reinforcing block automatic welding work station which comprises a centering table, a stacking table is arranged on one side of the centering table, a reinforcing block material table is arranged on the other side of the centering table, and an unstacking table is arranged on the other side of the reinforcing block material table in a matched mode. A projection welding machine is arranged between the reinforcing block material table and the centering table; the stacking table, the centering table, the reinforcing block material table and the unstacking table form a concentric-square-shaped structure, and a plate sheet carrying robot and a reinforcing block robot are arranged in the concentric-square-shaped structure. A positioning column is arranged on the projection welding machine and is of a conical structure. A projection welding cooling-water machine is arranged on the projection welding machine; according to the utility model, manual carrying of sheets is avoided, the reinforcing blocks are high in positioning accuracy, and the welding quality consistency is good.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to welding equipment technical field relates to an automatic welding workstation especially a plate heat exchanger plate piece reinforcing block automatic welding workstation. BACKGROUND

[0002] The plate piece is the core component of the plate heat exchanger, and in the production process, a reinforcing block needs to be welded at the specified position of both ends of each plate piece to increase the strength of the single plate piece end suspension part.

[0003] In the current actual production operation, five people usually need to work together, first, two people move the single plate piece from the material stack to the welding table on one side of the welding table, another person aligns the reinforcing block with the corresponding position of the plate piece, adjusts the positioning, and then operates the single-point welding machine to weld, in order to achieve the adhesion strength of the reinforcing block and the plate piece, multiple points need to be welded at different positions of the reinforcing block, after welding, two people are needed to cooperate to carry the welded plate piece from the welding table to the stacking table on the other side of the welding platform, after the reinforcing block at one end of the whole stack of plate pieces is welded, the stack of plate pieces needs to be rotated by 180 degrees and carried to the feeding side, and the above steps are repeated to weld the reinforcing block at the other end of the plate piece.

[0004] In the current actual production, the above operation process is completed by manual work, which has high labor intensity, low production efficiency, poor welding quality consistency, and certain safety production risks. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem in the prior art, and provides a plate heat exchanger plate piece reinforcing block automatic welding workstation that avoids manual plate piece carrying and has high reinforcing block positioning accuracy and good welding quality consistency.

[0006] The utility model solves the technical problem by the following technical scheme, a plate heat exchanger plate piece reinforcing block automatic welding workstation, including the centering table, one side of the centering table is equipped with the stacking table, the other side is equipped with the reinforcing block material table, the other side of the reinforcing block material table is matched with the unstacking table, the centering table and the reinforcing block material table are vertically distributed on the same horizontal plane, the reinforcing block material table and the unstacking table are vertically distributed on the same horizontal plane, the unstacking table and the stacking table are vertically distributed on the same horizontal plane, the centering table is equipped with the convex welding machine between the reinforcing block material table, the stacking table, the centering table, the reinforcing block material table and the unstacking table form the back-shaped structure, the back-shaped structure is equipped with the plate piece carrying robot and the reinforcing block robot, the centering table is equipped with the positioning column on the convex welding machine, the positioning column is the conical structure, the convex welding machine is also equipped with the convex welding cold water machine.

[0007] Preferably, the stacking table and the centering table are vertically distributed on the same horizontal plane, the centering table and the reinforcing block material table are vertically distributed on the same horizontal plane, the reinforcing block material table and the unstacking table are vertically distributed on the same horizontal plane, and the unstacking table and the stacking table are vertically distributed on the same horizontal plane.

[0008] Preferably, the sheet carrying robot is arranged between the centering table, the stacking table and the unstacking table, and the reinforcing block robot and the stacking table are arranged on two sides of the sheet carrying robot respectively.

[0009] Preferably, the sheet carrying robot cooperates with the unstacking table, the centering table, the projection welding machine and the stacking table, and the reinforcing block robot cooperates with the reinforcing block table and the projection welding machine.

[0010] Preferably, the sheet carrying robot and the reinforcing block robot are both six-axis robots.

[0011] Compared with the prior art, the utility model has the advantages that: the utility model discloses an automatic welding work station, which can effectively improve production efficiency, reduce labor intensity and production cost, reduce the production safety risk coefficient, avoid manual carrying operation of the sheet, solve the problem of poor consistency of reinforcing block positioning and welding quality, and effectively improve product quality. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a structural schematic view of the utility model.

[0014] Among them, the stacking table 1, the centering table 2, the unstacking table 3, the sheet carrying robot 4, the reinforcing block robot 5, the reinforcing block table 6, the positioning column 7, the projection welding machine 8 and the projection welding cold water machine 9. DETAILED DESCRIPTION

[0015] A kind of plate heat exchanger sheet reinforcing block automatic welding work station, as shown in Figure 1 、 Figure 2 Shown, including centering table 2, one side of centering table 2 is equipped with stacking table 1, the other side is equipped with reinforcing block table 6, the other side of reinforcing block table 6 is equipped with unstacking table 3;Reinforcing block table 6 and centering table 2 between being equipped with projection welding machine 8;Stacking table 1, centering table 2, reinforcing block table 6 and unstacking table 3 form the structure of back-shaped, back-shaped structure is equipped with sheet carrying robot 4 and reinforcing block robot 5;Projection welding machine 8 is equipped with positioning column 7, and positioning column 7 is conical structure;Projection welding machine 8 is also connected with projection welding cold water machine 9.

[0016] Stacking table 1 and centering table 2 are vertically distributed on the same horizontal plane, centering table 2 and reinforcing block table 6 are vertically distributed on the same horizontal plane, reinforcing block table 6 and unstacking table 3 are vertically distributed on the same horizontal plane, and unstacking table 3 and stacking table 1 are vertically distributed on the same horizontal plane.

[0017] The sheet carrying robot 4 is arranged between the centering table 2, the stacking table 1 and the unstacking table 3, and the reinforcing block robot 5 and the stacking table 1 are arranged on two sides of the sheet carrying robot 4 respectively.

[0018] The plate carrying robot 4 and the reinforcing block robot 5 in the embodiment are both six-axis robots and can reach a precision of ±0.06 mm, so that accurate positioning and welding can be achieved; the positioning column 7 is used in the projection welding machine 8, and the reinforcing block and the plate can be uniformly positioned according to the positioning column 7, so that the fixed position and precision of the reinforcing block in the plate are ensured, and the first-time welding qualification rate is improved; a secondary centering system is used in the embodiment, so that the influence of the uneven stacking of the plate on welding is eliminated; the vacuum suction cup is used to grasp the reinforcing block and the plate in the embodiment, so that quality problems such as bumping and scratching of the plate and the reinforcing block are avoided.

[0019] Work process description: after pressing the start button, the plate carrying robot 4 starts to grasp the plate from the unstacking table 3, and after the detection switch on the plate carrying robot 4 touches the plate, a signal is given to the plate carrying robot 4, and the plate carrying robot 4 starts to move to the upper part of the centering table 2 according to the specified trajectory, and places the plate on the centering table 2 when reaching the specified position; the centering table 2 performs secondary positioning on the plate, and after the centering positioning is completed, the plate carrying robot 4 grasps the plate again and translates a fixed distance to send it into the projection welding machine 8, which is equipped with a projection welding cold water machine 9; the positioning column 7 in the projection welding machine 8 is conical in structure and can perform secondary guiding and positioning of the plate in the projection welding machine 8; at the same time, the reinforcing block robot 5 starts to suck the reinforcing block from the reinforcing block table 6 and sends it to the positioning column 7 in the projection welding machine 8, and when the reinforcing block robot 5 retreats to a safe distance, the projection welding machine 8 starts to press and weld; after welding is completed, the projection welding machine 8 is lifted, and the plate carrying robot 4 starts to rotate the plate by 180 degrees for welding on the other side of the plate; after the reinforcing blocks at both ends of the plate are welded, the plate carrying robot 4 moves to the upper part of the stacking table 1 according to the specified trajectory, places the plate, and then moves to the unstacking table 3 to start the grasping and welding of the next plate; the whole process does not require personnel to participate and is automatically completed by the two robots.

Claims

1. A plate heat exchanger gasket automatic welding station, characterized in that: The centering table is provided with a stacking table on one side and a reinforced block table on the other side, and the other side of the reinforced block table is matched with a destacking table; a projection welding machine is arranged between the reinforced block table and the centering table; the stacking table, the centering table, the reinforced block table and the destacking table form a character-shaped structure, and a plate carrying robot and a reinforced block robot are arranged in the character-shaped structure; the projection welding machine is provided with a positioning column which is a conical structure; and the projection welding machine is provided with a projection welding cold water machine.

2. The plate heat exchanger gasket automatic welding station according to claim 1, characterized in that: The stacking table and the centering table are vertically distributed on the same horizontal plane, the centering table and the reinforced block table are vertically distributed on the same horizontal plane, the reinforced block table and the destacking table are vertically distributed on the same horizontal plane, and the destacking table and the stacking table are vertically distributed on the same horizontal plane.

3. The plate heat exchanger gasket automatic welding station according to claim 2, characterized in that The plate carrying robot is arranged between the centering table, the stacking table and the destacking table, and the reinforced block robot and the stacking table are arranged on the two sides of the plate carrying robot.

4. The plate heat exchanger gasket automatic welding station according to claim 3, characterized in that: The plate carrying robot is matched with the destacking table, the centering table, the projection welding machine and the stacking table; and the reinforced block robot is matched with the reinforced block table and the projection welding machine.

5. The plate heat exchanger gasket automatic welding station according to claim 4, characterized in that: The plate carrying robot and the reinforced block robot are both six-axis robots.