Passivation treatment device for hot-dip square and rectangular tube production

Abstract

The utility model discloses a passivation treatment device for hot-dip square and rectangular tube production, which comprises a rack, a storage rack, a passivation pool and a drying table are mounted on the rack, a driving lifting mechanism is mounted on the rack, a transverse moving frame is mounted at the output end of the driving lifting mechanism, two lifting grooves are formed in the transverse moving frame, lifting blocks are clamped in the lifting grooves in a sliding manner, and the transverse moving frame is connected with the drying table in a sliding manner. And the lifting block is rotationally connected with a bearing plate. Through cooperative arrangement of a bearing plate and an extrusion plate, after the bearing plate and the extrusion plate are staggered in the horizontal direction, a first linear actuator is matched with a third linear actuator, so that the bearing plate and the extrusion plate can extrude a square and rectangular pipe to be in an inclined state, and therefore when the square and rectangular pipe is discharged out of a passivation pool, passivation liquid in the square and rectangular pipe can flow out; according to the square and rectangular pipe passivating device, the two bearing plates and the two extruding plates are arranged, extruding work can be conducted through the bearing plates and the extruding plates which are matched in pairs, the ends, close to the clamping ends, of the square and rectangular pipes abut against the inner wall of the passivating pool, and therefore passivating treatment can be conducted on the surfaces of the whole square and rectangular pipes.

Description

Technical Field

[0001] The utility model relates to the technical field of square tube passivation treatment, in particular to a passivation treatment device for hot-dip square tube production. Background Art

[0002] Passivation refers to the process in which a metal is oxidized by a strong oxidant or electrochemical method to make its surface inactive, which is a method of transforming the metal surface into a state that is not easily oxidized, thereby slowing down the corrosion rate of the metal.

[0003] A hot-dip galvanized chromium-free passivation device for steel pipes with patent number CN217077790U in the prior art is the same as most passivation devices in the prior art. It adopts a fixed clamping device so that the square pipe is always in a horizontal state during the passivation process of the square pipe. Therefore, when the square pipe is transported out after passivation, a certain amount of passivation liquid will be sent out of the passivation tank, resulting in a waste of resources. Utility Model Content

[0004] Based on this, it is necessary to provide a passivation treatment device for hot-dip galvanized square tube production to address the above technical issues.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a passivation treatment device for the production of hot-dip square tubes, including a frame, a storage rack, a passivation tank, and a drying table are installed on the frame, a driving lifting mechanism is installed on the frame, a transverse frame is installed on the output end of the driving lifting mechanism, two lifting grooves are provided on the transverse frame, a lifting block is slidably connected in the lifting groove, a receiving plate is rotatably connected to the lifting block, a linear actuator 1 is installed in the lifting groove, the output end of the linear actuator 1 is connected to the lifting block, a transverse groove is provided on the frame, two transverse blocks are slidably connected in the transverse groove, a linear actuator 2 is installed in the transverse groove, the output end of the linear actuator 2 is connected to the two transverse blocks, a linear actuator 3 is installed on the transverse block, a connecting block is installed on the linear actuator 3, and an extrusion plate is hinged on the connecting block.

[0006] Preferably, an inclined plate is provided on the storage rack.

[0007] Preferably, a plurality of friction blocks are provided at the bottom of the extrusion plate.

[0008] Preferably, a plurality of friction strips are installed on the transverse moving frame, and the friction strips abut against the receiving plate.

[0009] Preferably, the storage rack and the drying table are both provided with grooves adapted to fit the two receiving plates.

[0010] Preferably, the driving lifting mechanism includes an electric slide, a slide seat is installed at the output end of the electric slide, the transverse frame is slidably connected to the slide seat, a linear actuator four is installed on the slide seat, and the output end of the linear actuator four is connected to the transverse frame.

[0011] Compared with the prior art, this technical solution has at least one of the following beneficial effects:

[0012] Through the coordinated arrangement of the receiving plate and the extrusion plate, after the receiving plate and the extrusion plate are staggered in the horizontal direction, the linear actuator 1 and the linear actuator 3 cooperate to enable the receiving plate and the extrusion plate to extrude the square tube into an inclined state, so that when the square tube leaves the passivation tank, the passivation liquid in the square tube can flow out;

[0013] By setting up two receiving plates and extrusion plates, the receiving plates and extrusion plates that cooperate with each other can perform extrusion work respectively, and make the square tube close to the clamping end abut against the inner wall of the passivation tank, so that the entire surface of the square tube can be passivated. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of an embodiment of the utility model;

[0015] Figure 2 A side cross-sectional view of a transverse frame of an embodiment of the utility model;

[0016] Figure 3 It is a front cross-sectional view of an embodiment of the utility model;

[0017] Figure 4 It is a partial front cross-sectional view of an embodiment of the utility model (the square tube is in an inclined state);

[0018] Figure 5 A second perspective view of an embodiment of the utility model;

[0019] In the figure, 1, frame; 2, storage rack; 3, passivation tank; 4, drying table; 5, transverse frame; 6, lifting slot; 7, lifting block; 8, receiving plate; 9, linear actuator one; 10, transverse slot; 11, transverse block; 12, linear actuator two; 13, linear actuator three; 14, connecting block; 15, extrusion plate; 16, inclined plate; 17, friction block; 18, friction strip; 19, groove; 20, electric slide; 21, slide seat; 22, linear actuator four. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] See also Figures 1 to 5 The embodiment of the present application provides a passivation treatment device for hot-dip square tube production, including a frame 1, a storage rack 2, a passivation tank 3, and a drying table 4 are installed on the frame 1, a driving lifting mechanism is installed on the frame 1, and a transverse frame 5 is installed on the output end of the driving lifting mechanism. The transverse frame 5 is provided with two lifting grooves 6, and a lifting block 7 is slidably connected in the lifting groove 6. A receiving plate 8 is rotatably connected to the lifting block 7. A linear actuator 9 is installed in the lifting groove 6. The linear actuator 9 can be an electric cylinder. The output end of the linear actuator 9 is connected to the lifting block 7. A transverse slot 10 is provided on the frame 1, and two transverse blocks 11 are slidably connected in the transverse slot 10. A linear actuator 2 12 is installed in the transverse slot 10. The linear actuator 2 12 can be a double-headed electric cylinder with two output ends and the two output ends can simultaneously extend and retract different lengths. The output end of the linear actuator 2 12 is connected to the two transverse blocks 11, and a linear actuator 3 13 is installed on the transverse block 11. The linear actuator 3 13 can be an electric cylinder. A connecting block 14 is installed on the linear actuator 3 13, and an extrusion plate 15 is hinged on the connecting block 14.

[0022] In this embodiment, the lifting mechanism is driven to drive the receiving plate 8 to lift the square tube from the rack 2 and then send it to the passivation tank 3. After the passivation is completed, it is sent to the drying table 4 for drying and then transported away by the subsequent conveying machine. When the square tube on the receiving plate 8 is passivated in the passivation tank 3, the linear actuator 2 12 can drive the lateral block 11 slidingly engaged in the lateral groove 10 to move, and the lateral block 11 drives the linear actuator 3 13 to move to a suitable position, and then the linear actuator 3 13 is extended so that the extrusion plate 15 hinged on the output end connecting block 14 can be squeezed and fixed with the top of the square tube, and one group of corresponding receiving plates 8 and extrusion plates 15 can be positioned correspondingly to squeeze and clamp the square tube, and the extrusion plate 15 in the other group is moved between the inner wall of the passivation tank 3 and the corresponding receiving plate 8, and then the linear actuator The actuator 3 13 drives the extrusion plate 15 to descend, and the linear actuator 1 9 drives the lifting block 7 clamped in the lifting groove 6 to descend, so that the receiving plate 8 descends with the extrusion plate 15, and the receiving plate 8 and the extrusion plate 15 corresponding to the other group of positions follow the square tube for height adjustment, and finally the square tube becomes inclined in the passivation tank 3, so that the passivation liquid in the square tube can flow out; and after the corresponding receiving plates 8 and the extrusion plates 15 are aligned, the two groups of receiving plates 8 and the extrusion plates 15 clamp the square tube respectively, and one end of the square tube near the clamping position is abutted against the inner wall of the passivation tank 3, so that the square tube maintains a balanced state, so that the passivation treatment can be carried out at various positions on the square tube by clamping different positions on the square tube; there is a gap between the receiving plate 8 and the transverse frame 5, so that the receiving plate 8 can fall into the passivation tank 3.

[0023] In some embodiments, in order to facilitate the receiving plate 8 to lift and carry the square tube from the rack 2, an inclined plate 16 is provided on the rack 2. The square tube on the rack 2 can slide along the inclined plate 16 to the working range of the receiving plate 8.

[0024] In some embodiments, in order to improve the squeezing and clamping effect of the squeezing plate 15 on the square rectangular tube, a plurality of friction blocks 17 are provided at the bottom of the squeezing plate 15 .

[0025] In some embodiments, in order to prevent the receiving plate 8 from self-rotating, a plurality of friction strips 18 are installed on the transverse moving frame 5 , and the friction strips 18 abut against the receiving plate 8 .

[0026] In some embodiments, in order to facilitate the placement of the square tube lifted by the receiving plate 8 on the storage rack 2 and the drying table 4 , the storage rack 2 and the drying table 4 are provided with grooves 19 adapted to the two receiving plates 8 .

[0027] In some embodiments, in order to facilitate the transportation of the square tube, a driving and lifting mechanism is provided, including an electric slide 20, a slide 21 is installed at the output end of the electric slide 20, and the transverse frame 5 is slidably clamped on the slide 21. A linear actuator 22 is installed on the slide 21. The linear actuator 22 can be an electric cylinder, and the output end of the linear actuator 22 is connected to the transverse frame 5. The electric slide 20 drives the slide 21 to reciprocate, and the linear actuator 22 drives the transverse frame 5 to move up and down, so that the receiving plate 8 can passivate the transportation of the square tube.

[0028] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0029] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A passivation treatment device for hot-dip galvanized square tube production, comprising a frame (1), on which a storage rack (2), a passivation tank (3), and a drying table (4) are mounted, characterized in that: The frame (1) is provided with a driving lifting mechanism, and a transverse frame (5) is installed at the output end of the driving lifting mechanism. The transverse frame (5) is provided with two lifting grooves (6), and a lifting block (7) is slidably connected in the lifting groove (6). A receiving plate (8) is rotatably connected to the lifting block (7). A linear actuator (9) is installed in the lifting groove (6), and the output end of the linear actuator (9) is connected to the lifting block (7). The frame (1) is provided with a transverse groove (10), and two transverse blocks (11) are slidably connected in the transverse groove (10). A linear actuator (2) (12) is installed in the transverse groove (10), and the output end of the linear actuator (2) (12) is connected to the two transverse blocks (11). A linear actuator (3) (13) is installed on the transverse block (11), and a connecting block (14) is installed on the linear actuator (13). An extrusion plate (15) is hinged on the connecting block (14).

2. The passivation treatment device for hot-dip galvanized square tube production according to claim 1, characterized in that: The storage rack (2) is provided with an inclined plate (16).

3. The passivation treatment device for hot-dip galvanized square tube production according to claim 1, characterized in that: A plurality of friction blocks (17) are provided at the bottom of the extrusion plate (15).

4. The passivation treatment device for hot-dip galvanized square tube production according to claim 1, characterized in that: A plurality of friction strips (18) are mounted on the transverse moving frame (5), and the friction strips (18) are in contact with the receiving plate (8).

5. The passivation treatment device for hot-dip galvanized square tube production according to claim 1, characterized in that: The storage rack (2) and the drying table (4) are both provided with grooves (19) adapted to fit the two receiving plates (8).

6. The passivation treatment device for hot-dip galvanized square tube production according to claim 1, characterized in that: The driving lifting mechanism comprises an electric slide (20), a slide seat (21) is installed at the output end of the electric slide (20), the transverse frame (5) is slidably connected to the slide seat (21), a linear actuator four (22) is installed on the slide seat (21), and the output end of the linear actuator four (22) is connected to the transverse frame (5).

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