Flexible profile order conveying device

Abstract

A flexible profile ordered material conveying device, the inner side of the rack beam is formed with a guide rail; the inside of the guide rail is provided with a roller assembly, and the roller assembly is connected with a material conveying mechanism; the material conveying panel of the material conveying mechanism is connected between two pairs of material conveying supporting plates; the driving end of the material conveying up-down driving element penetrates through the through hole in the center of the material conveying panel and is connected with the upper end of the adapter plate; the material conveying frame is connected below the adapter plate; the material conveying mechanism is also connected with a transverse driving assembly, which drives the material conveying mechanism to move transversely along the guide rail through the roller assembly; the material conveying up-down driving element drives the material conveying frame to move up and down through the adapter plate; after the material conveying mechanism receives the flexible profile from the flexible profile conveying track, it moves transversely along the rack beam and sequentially passes through the cold water pool, the passivation pool and the inspection platform according to the preset instruction. The present application can convey multiple flexible profiles at a time, and can orderly convey the flexible profiles to the designated position, thereby improving the subsequent inspection and packaging efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of flexible steel production, and particularly relates to a flexible profile ordered material conveying device. BACKGROUND

[0002] Flexible profiles refer to angle steels, flat steels and round steels and other flexible steels. Due to the characteristics of thinness, good toughness, low strength, good plasticity and low hardness, the flexible steels are widely applied.

[0003] In the prior art, during the production of flexible profiles, after the hot-dip galvanizing of the flexible steels enters a track frame, a plurality of flexible profiles are turned into a cold water pool at one time under the action of a cylinder, and are taken out to a passivation pool by a chain in the cold water pool. Many problems will occur in this process.

[0004] Firstly, the flexible profiles are thin and have large deformation, and the cylinder cannot turn all the flexible profiles into the cold water pool in order, resulting in that some have entered the cold water pool and some are still on the track frame; secondly, the cylinder turns all the flexible profiles into the cold water pool, resulting in that the flexible profiles are twisted together, cannot be conveyed in order, and bring many difficulties to subsequent work, and even are stuck on the conveying chain to cause production stop for treatment. It is necessary to develop a new flexible profile conveying technical scheme. SUMMARY

[0005] Therefore, the present application provides a flexible profile ordered material conveying device to solve the problems of unordered material conveying and low efficiency in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: a flexible profile ordered material conveying device, comprising a rack beam, a guide rail is formed on the inner side of the rack beam; a roller assembly is arranged in the guide rail; and a material conveying mechanism is connected to the roller assembly.

[0007] The material conveying mechanism comprises a material conveying support plate, a material conveying panel, a material conveying up-down driving member, an adapter plate and a material conveying frame; the material conveying panel is connected between the two material conveying support plates; the material conveying up-down driving member is fixed to the upper end of the material conveying panel, the driving end of the material conveying up-down driving member penetrates through the through hole in the center of the material conveying panel and is connected to the upper end of the adapter plate; and the material conveying frame is connected below the adapter plate.

[0008] The material conveying mechanism is further connected with a transverse driving assembly, the transverse driving assembly drives the material conveying mechanism to move transversely along the guide rail through the roller assembly; and the material conveying up-down driving member drives the material conveying frame to move up and down through the adapter plate.

[0009] The lower part of the rack beam is provided with a flexible profile conveying track, a cold water pool, a passivation pool and an inspection platform; after the material conveying mechanism receives the flexible profile from the flexible profile conveying track, it moves transversely along the rack beam and sequentially passes through the cold water pool, the passivation pool and the inspection platform according to the preset instructions.

[0010] As a preferred scheme of the flexible profile orderly material conveying equipment, the roller assembly is symmetrically provided with two groups, each group of the roller assembly includes three roller bodies which are connected in a triangular shape at the side of the material conveying plate.

[0011] As a preferred scheme of the flexible profile orderly material conveying equipment, the material conveying up-down driving member adopts a driving cylinder, and the material conveying panel is provided with a guide rod at both sides of the material conveying up-down driving member, and the lower end of the guide rod is connected to the adapter plate.

[0012] As a preferred scheme of the flexible profile orderly material conveying equipment, the material conveying frame includes a material conveying horizontal frame, a material conveying vertical frame and a material conveying mold; the upper end of the material conveying vertical frame is connected to the material conveying horizontal frame, and the lower end of the material conveying vertical frame is connected to one end of the material conveying mold.

[0013] As a preferred scheme of the flexible profile orderly material conveying equipment, the material conveying mechanism is provided with a first preset stroke position, the first preset stroke position is located at one side of the flexible profile conveying track, and the material conveying mechanism receives the flexible profile on the flexible profile conveying track at the first preset stroke position.

[0014] As a preferred scheme of the flexible profile orderly material conveying equipment, the material conveying mechanism is provided with a second preset stroke position, the second preset stroke position is located above the cold water pool, and the material conveying mechanism lowers the flexible profile on the material conveying frame into the cold water pool for cooling at the second preset stroke position.

[0015] As a preferred scheme of the flexible profile orderly material conveying equipment, the material conveying mechanism is provided with a third preset stroke position, the third preset stroke position is located above the passivation pool, and the material conveying mechanism lowers the flexible profile on the material conveying frame into the passivation pool for passivation at the third preset stroke position.

[0016] As a preferred scheme of the flexible profile orderly material conveying equipment, the material conveying mechanism is provided with a fourth preset stroke position, the fourth preset stroke position is located at one end of the inspection platform, and the material conveying mechanism transfers the flexible profile on the material conveying frame to the material receiving mold configured by the inspection platform at the fourth preset stroke position.

[0017] As the preferred solution of the flexible profile orderly material conveying equipment, the bottom of the receiving die is connected with a receiving driving cylinder, the receiving driving cylinder drives the receiving die to rise from the lower side of the inspection platform to the upper side of the inspection platform to receive the flexible profile on the material conveying frame.

[0018] As the preferred solution of the flexible profile orderly material conveying equipment, the material conveying mechanism is configured with a fifth preset stroke position, the material conveying mechanism continues to move from the fourth preset stroke position to the fifth preset stroke position and then returns to the first preset stroke position to form a motion cycle.

[0019] The application has the following advantages: the rack beam is provided, the inner side of the rack beam is formed with a guide rail, the inside of the guide rail is provided with a roller assembly, the roller assembly is connected with a material conveying mechanism, the material conveying mechanism comprises a material conveying plate, a material conveying panel, a material conveying up-down driving piece, an adapter plate and a material conveying frame, the material conveying panel is connected between the two pairs of material conveying plates, the material conveying up-down driving piece is fixed at the upper end of the material conveying panel, the driving end of the material conveying up-down driving piece penetrates through the through hole in the center of the material conveying panel and is connected with the upper end of the adapter plate, the material conveying frame is connected below the adapter plate, the material conveying mechanism is further connected with a transverse driving assembly, the transverse driving assembly drives the material conveying mechanism to move transversely along the guide rail through the roller assembly, the material conveying up-down driving piece drives the material conveying frame to move up and down through the adapter plate, the lower side of the rack beam is provided with a flexible profile conveying track, a cold water pool, a passivation pool and an inspection platform, after the material conveying mechanism receives the flexible profile from the flexible profile conveying track, the material conveying mechanism moves transversely along the rack beam and sequentially passes through the cold water pool, the passivation pool and the inspection platform according to the preset instruction. The application can convey multiple flexible profiles at a time, improves the production efficiency, orderly conveys the flexible profiles to the designated position, improves the subsequent inspection and packaging efficiency and saves the cost. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained from the provided drawings without creative labor.

[0021] Figure 1 The flexible profile orderly material conveying equipment provided by the embodiment of the application is shown in the three-dimensional view.

[0022] Figure 2 The main body structure of the flexible profile orderly material conveying equipment provided by the embodiment of the application is shown in the three-dimensional view.

[0023] Figure 3 The main body structure of the flexible profile orderly material conveying equipment provided by the embodiment of the application is shown in the three-dimensional view.

[0024] Figure 4 A schematic diagram of the stroke position distribution of the flexible profile orderly material conveying equipment provided in an embodiment of the present invention (for ease of understanding, Figure 4 The diagram shows material handling mechanisms at different locations, but in reality, only one material handling mechanism moves between different locations; there is not a material handling mechanism at every location.

[0025] In the diagram, 1. Frame beam; 2. Guide rail; 3. Roller assembly; 4. Material conveying mechanism; 5. Material conveying pallet; 6. Material conveying panel; 7. Material conveying up and down drive components; 8. Transfer plate; 9. Material conveying rack; 10. Lateral drive assembly; 11. Flexible profile conveying rail; 12. Cold water tank; 13. Passivation tank; 14. Inspection platform; 15. Material conveying crossbeam; 16. Material conveying vertical frame; 17. Material conveying mold; 18. Material receiving mold; 19. Material receiving drive cylinder. Detailed Implementation

[0026] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] See Figure 1 , Figure 2 , Figure 3 and Figure 4 This invention provides a flexible profile orderly material conveying device, including a frame beam 1, a guide rail 2 formed on the inner side of the frame beam 1; a roller assembly 3 is provided inside the guide rail 2, and the roller assembly 3 is connected to a material conveying mechanism 4;

[0028] The material conveying mechanism 4 includes a material conveying pallet 5, a material conveying panel 6, a material conveying up and down driving component 7, a transfer plate 8, and a material conveying rack 9. The material conveying panel 6 is connected between two material conveying pallets 5. The material conveying up and down driving component 7 is fixed to the upper end of the material conveying panel 6, and the driving end of the material conveying up and down driving component 7 passes through the through-hole in the center of the material conveying panel 6 and is connected to the upper end of the transfer plate 8. The material conveying rack 9 is connected to the lower part of the transfer plate 8.

[0029] The material conveying mechanism 4 is also connected to a transverse drive assembly 10, which drives the material conveying mechanism 4 to move laterally along the guide rail 2 via the roller assembly 3; the material conveying up and down drive component 7 drives the material conveying frame 9 to move up and down via the adapter plate 8.

[0030] The frame beam 1 is provided with a flexible profile conveying track 11, a cold water tank 12, a passivation tank 13 and an inspection platform 14 below it. After receiving the flexible profile from the flexible profile conveying track 11, the material conveying mechanism 4 moves laterally along the frame beam 1 and passes through the cold water tank 12 and the passivation tank 13 to the inspection platform 14 in sequence according to the preset instructions.

[0031] In this embodiment, two sets of roller assemblies 3 are symmetrically arranged. Each set of roller assemblies 3 includes three roller bodies, which are connected in a triangular shape to the side of the material conveying pallet 5. Specifically, the roller assembly 3 uses three roller bodies to make stable contact with the upper and lower walls of the guide rail 2, thereby realizing the stable operation of the material conveying mechanism 4 on the frame beam 1 through the roller assembly 3.

[0032] In this embodiment, the material conveying up and down drive component 7 is a drive cylinder, and the material conveying panel 6 is provided with guide rods on both sides of the material conveying up and down drive component 7. The lower end of the guide rod is connected to the adapter plate 8.

[0033] Specifically, the material conveying drive 7 can drive the adapter plate 8 and the material conveying rack 9 to move up and down, thereby enabling the flexible profiles carried on the material conveying rack 9 to move up and down, so as to facilitate their placement into the cold water tank 12 and the passivation tank 13, and their removal from the cold water tank 12 and the passivation tank 13. The design of the guide rod enables the material conveying drive 7 to drive the material conveying rack 9 to descend smoothly under the guidance of the guide rod.

[0034] In this embodiment, the material conveying frame 9 includes a horizontal material conveying frame 15, a vertical material conveying frame 16, and a material conveying mold 17. The upper end of the vertical material conveying frame 16 is connected to the horizontal material conveying frame 15, and the lower end of the vertical material conveying frame 16 is connected to one end of the material conveying mold 17. The adapter plate 8 drives the material conveying mold 17 through the horizontal material conveying frame 15 and the vertical material conveying frame 16, thereby realizing the vertical and horizontal movement of the material conveying mold 17 carrying the flexible profile.

[0035] In this embodiment, the material conveying mechanism 4 is configured with a first preset stroke position, which is located on one side of the flexible profile conveying track 11. At the first preset stroke position, the material conveying mechanism 4 receives the flexible profile on the flexible profile conveying track 11. The material conveying mechanism 4 is also configured with a second preset stroke position, which is located above the cold water tank 12. At the second preset stroke position, the material conveying mechanism 4 lowers the flexible profile on the material conveying rack 9 into the cold water tank 12 for cooling. Finally, the material conveying mechanism 4 is configured with a third preset stroke position, which is located above the passivation tank 13. At the third preset stroke position, the material conveying mechanism 4 lowers the flexible profile on the material conveying rack 9 into the passivation tank 13. In step 3, passivation is performed; the material conveying mechanism 4 is configured with a fourth preset stroke position, which is located at one end of the inspection platform 14. At the fourth preset stroke position, the material conveying mechanism 4 transfers the flexible profile on the material conveying rack 9 to the receiving mold 18 configured on the inspection platform 14; the bottom of the receiving mold 18 is connected to a receiving drive cylinder 19, which drives the receiving mold 18 to rise from below the inspection platform 14 to above the inspection platform 14 to receive the flexible profile on the material conveying rack 9; the material conveying mechanism 4 is configured with a fifth preset stroke position, and the material conveying mechanism 4 continues to move from the fourth preset stroke position to the fifth preset stroke position and then returns to the first preset stroke position to form an action cycle.

[0036] See Figure 4 Specifically, when the flexible profile reaches the first preset stroke position via the flexible profile conveying track 11, the roller assembly 3, the conveying pallet 5, the conveying panel 6, the conveying up and down drive component 7, the guide rod, and the conveying rack 9 will send a signal to the conveying up and down drive component 7. The conveying cylinder of the conveying up and down drive component 7 will drive the conveying rack 9 to rise smoothly under the guidance of the guide rod, orderly guiding the flexible profile onto the conveying mold 17 of the conveying rack 9. After the conveying cylinder of the conveying up and down drive component 7 rises to the correct position, the servo motor (with brake) / reducer of the horizontal drive assembly 10 will start, driving the roller assembly 3, the conveying pallet 5, the conveying panel 6, the conveying up and down drive component 7, the guide rod, and the conveying rack 9 towards the cold water pool 1. 2. After reaching the second preset stroke position above the cold water tank 12, the servo motor (with brake) / reducer of the horizontal drive component 10 stops, and the material conveying up and down drive component 7 drives the material conveying frame 9 to descend smoothly under the guidance of the guide rod, sending the flexible profile into the cold water tank 12 for cooling. After the time is reached, the material conveying up and down drive component 7 drives the material conveying frame 9 to rise smoothly for the second time under the guidance of the guide rod. After the material conveying up and down drive component 7 rises to the position, the servo motor (with brake) / reducer starts for the second time and runs towards the passivation tank 13, reaching the third preset stroke position above the passivation tank 13. After performing the same action as the cold water tank 12 in the passivation tank 13, it runs towards the inspection platform 14 to reach the fourth preset stroke position.

[0037] After reaching the fourth preset stroke position, the receiving mold 18 configured on the inspection platform 14 rises, and the conveying cylinder of the conveying up and down drive component 7 descends to place the flexible material on the receiving mold 18. The servo motor (with brake) / reducer of the horizontal drive component 10 starts for the fourth time to continue running towards the inspection platform 14. After reaching the fifth preset stroke position, the conveying up and down drive component 7 rises for the fourth time, completing the entire material conveying operation.

[0038] At this time, the receiving mold 18 descends, and the inspection platform 14 transports the flexible material to the packaging position for the next operation. The servo motor (with brake) / reducer of the transverse drive assembly 10 starts for the fifth time, driving the roller assembly 3, the material conveying pallet 5, the material conveying panel 6, the material conveying up and down drive component 7, the guide rod and the material conveying rack 9 back to the first preset stroke position and then repeat the above actions.

[0039] In one possible embodiment, the positions from the first preset travel position to the fifth preset travel position are controlled by a photoelectric sensor switch, thereby controlling the overall operation, improving the accuracy of the position, saving manpower, and increasing production efficiency.

[0040] In one possible embodiment, the lateral drive assembly 10 consists of a lateral drive motor, a drive sprocket, and a drive chain. The drive chain is connected to the ribs configured on the material conveying mechanism 4 to perform lateral transmission on the material conveying mechanism 4.

[0041] In summary, the present invention includes a frame beam 1, with a guide rail 2 formed on the inner side of the frame beam 1; a roller assembly 3 is provided inside the guide rail 2, and the roller assembly 3 is connected to a material conveying mechanism 4; the material conveying mechanism 4 includes a material conveying pallet 5, a material conveying panel 6, a material conveying up-and-down driving component 7, a transfer plate 8, and a material conveying rack 9; the material conveying panel 6 is connected between two material conveying pallets 5; the material conveying up-and-down driving component 7 is fixed to the upper end of the material conveying panel 6, and the driving end of the material conveying up-and-down driving component 7 passes through the opening in the center of the material conveying panel 6 and is connected to the upper end of the transfer plate 8; the material conveying rack 9 is connected to the transfer plate 8. Below; the material conveying mechanism 4 is also connected to a transverse drive assembly 10, which drives the material conveying mechanism 4 to move laterally along the guide rail 2 via the roller assembly 3; the material conveying up and down drive component 7 drives the material conveying frame 9 to move up and down via the adapter plate 8; a flexible profile conveying track 11, a cold water tank 12, a passivation tank 13 and an inspection platform 14 are provided below the frame beam 1; after the material conveying mechanism 4 receives the flexible profile from the flexible profile conveying track 11, it moves laterally along the frame beam 1 and passes through the cold water tank 12 and the passivation tank 13 in sequence to the inspection platform 14 according to the preset instructions. During operation, when the flexible profile reaches the first preset stroke position via the flexible profile conveying track 11, the roller assembly 3, the conveying pallet 5, the conveying panel 6, the conveying up and down drive component 7, the guide rod, and the conveying rack 9 will send a signal to the conveying up and down drive component 7. The conveying cylinder of the conveying up and down drive component 7 will drive the conveying rack 9 to rise smoothly under the guidance of the guide rod, orderly receiving the flexible profile onto the conveying mold 17 of the conveying rack 9. After the conveying cylinder of the conveying up and down drive component 7 rises to the correct position, the servo motor (with brake) / reducer of the horizontal drive assembly 10 will start, driving the roller assembly 3, the conveying pallet 5, the conveying panel 6, the conveying up and down drive component 7, the guide rod, and the conveying rack 9 towards the cold water pool 1. 2. After reaching the second preset stroke position above the cold water tank 12, the servo motor (with brake) / reducer of the horizontal drive component 10 stops, and the material conveying up and down drive component 7 drives the material conveying frame 9 to descend smoothly under the guidance of the guide rod, sending the flexible profile into the cold water tank 12 for cooling. After the time is reached, the material conveying up and down drive component 7 drives the material conveying frame 9 to rise smoothly for the second time under the guidance of the guide rod. After the material conveying up and down drive component 7 rises to the position, the servo motor (with brake) / reducer starts for the second time and runs towards the passivation tank 13, reaching the third preset stroke position above the passivation tank 13. After performing the same action as the cold water tank 12 in the passivation tank 13, it runs towards the inspection platform 14 to reach the fourth preset stroke position. After reaching the fourth preset stroke position, the receiving mold 18 configured on the inspection platform 14 rises, and the conveying cylinder of the conveying up and down drive component 7 descends to place the flexible material on the receiving mold 18. The servo motor (with brake) / reducer of the horizontal drive component 10 starts for the fourth time and continues to run towards the inspection platform 14. After reaching the fifth preset stroke position, the conveying up and down drive component 7 rises for the fourth time, completing the entire material conveying operation.At this point, the receiving mold 18 descends, and the inspection platform 14 transports the flexible profile to the packaging position for the next operation. The servo motor (with brake) / reducer of the transverse drive assembly 10 starts for the fifth time, driving the roller assembly 3, the conveying pallet 5, the conveying panel 6, the conveying up and down drive components 7, the guide rod, and the conveying rack 9 back to the first preset stroke position before repeating the above actions. This invention can transport multiple flexible profiles at once, improving production efficiency and enabling the orderly transport of flexible profiles to designated positions, thus improving subsequent inspection and packaging efficiency and saving costs.

[0042] Although the present invention has been described in detail above with general descriptions and specific embodiments, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A flexible profile order picking device, characterized in that, Including rack beam (1), the inner side of rack beam (1) is formed with guide rail (2);The inside of guide rail (2) is provided with roller assembly (3), roller assembly (3) is connected with material conveying mechanism (4); The material conveying mechanism (4) includes a material conveying support plate (5), a material conveying panel (6), a material conveying up-down driving element (7), an adapter plate (8), and a material conveying frame (9). The material conveying panel (6) is connected between the two pairs of material conveying support plates (5). The material conveying up-down driving element (7) is fixed to the upper end of the material conveying panel (6). The driving end of the material conveying up-down driving element (7) passes through the through hole in the center of the material conveying panel (6) and is connected to the upper end of the adapter plate (8). The material conveying frame (9) is connected below the adapter plate (8). The material conveying mechanism (4) is also connected with a transverse driving assembly (10), which drives the material conveying mechanism (4) to move transversely along the guide rail (2) through the roller assembly (3). The material conveying up-down driving element (7) drives the material conveying frame (9) to move up and down through the adapter plate (8). The lower part of the rack beam (1) is provided with a flexible profile conveying track (11), a cold water pool (12), a passivation pool (13) and an inspection platform (14). The material conveying mechanism (4) orderly connects the flexible profiles to the material conveying mold (17) of the material conveying frame (9), which can transport multiple flexible profiles at a time, move transversely along the rack beam (1) and pass through the cold water pool (12), the passivation pool (13) and the inspection platform (14) in turn according to the preset instructions. The material conveying frame (9) includes a material conveying horizontal frame (15), a material conveying vertical frame (16) and a material conveying mold (17). The upper end of the material conveying vertical frame (16) is connected to the material conveying horizontal frame (15), and the lower end of the material conveying vertical frame (16) is connected to one end of the material conveying mold (17). The material conveying mechanism (4) is provided with a fourth preset stroke position, which is located at one end of the inspection platform (14). The material conveying mechanism (4) transfers the flexible profiles on the material conveying frame (9) to the receiving mold (18) provided on the inspection platform (14) at the fourth preset stroke position. The bottom of the receiving mold (18) is connected with a receiving driving cylinder (19), which drives the receiving mold (18) to rise from below the inspection platform (14) to above the inspection platform (14) to receive the flexible profiles on the material conveying frame (9). The material conveying mechanism (4) is provided with a fifth preset stroke position. The material conveying mechanism (4) continues to move from the fourth preset stroke position to the fifth preset stroke position and then returns to the first preset stroke position to form a cycle of actions.

2. A flexible profile order picking device according to claim 1, characterized in that The roller assembly (3) is symmetrically provided with two groups. Each roller assembly (3) includes three roller bodies, which are connected in a triangular shape on the side of the material conveying support plate (5).

3. A flexible profile order picking device according to claim 2, characterized in that The material conveying up-down driving element (7) adopts a driving cylinder, and the material conveying panel (6) is provided with guide rods on both sides of the material conveying up-down driving element (7), and the lower ends of the guide rods are connected with the adapter plate (8).

4. A flexible profile order picking device according to claim 1, characterized in that The material conveying mechanism (4) is provided with a first preset stroke position, which is located on one side of the flexible profile conveying track (11), and the material conveying mechanism (4) receives the flexible profile on the flexible profile conveying track (11) at the first preset stroke position.

5. A flexible profile order picking device according to claim 4, characterised in that, The material conveying mechanism (4) is provided with a second preset stroke position, which is located above the cold water pool (12), and the material conveying mechanism (4) lowers the flexible profile on the material conveying frame (9) into the cold water pool (12) for cooling at the second preset stroke position.

6. A flexible profile order picking device according to claim 5, characterised in that, The material conveying mechanism (4) is provided with a third preset stroke position, which is located above the passivation pool (13), and the material conveying mechanism (4) lowers the flexible profile on the material conveying frame (9) into the passivation pool (13) for passivation at the third preset stroke position.

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