Gantry type automatic phosphating device and phosphating method

Abstract

The invention belongs to the technical field of phosphating treatment, and particularly relates to a gantry type automatic phosphating treatment device and a phosphating treatment method. In the treatment device, a gantry frame is arranged in a long strip shape, rotary lifting mechanisms are arranged at the two ends of the gantry frame, and a feeding mechanism and a discharging mechanism are further arranged at the two ends of the gantry frame correspondingly. A plurality of dipping tanks are arranged on the gantry frame along the length direction; a walking mechanism capable of moving in the length direction is further arranged on the gantry frame, and the walking mechanism is located above the dipping tank; the feeding mechanism loads materials into a storage barrel of the storage mechanism, the feeding end rotary lifting mechanism transfers the storage mechanism to the walking mechanism, the walking mechanism immerses the materials into the dipping tank for treatment, the materials are conveyed to the discharging end, and the materials are transferred to the discharging mechanism through the discharging end rotary lifting mechanism to complete material collection. The phosphating device and method are compact in layout, high in automation degree and stable in process control, and the production requirements of modern industry for efficient, stable and safe phosphating are met.

Description

Technical Field

[0001] The invention belongs to the technical field of phosphating treatment, and in particular relates to a gantry type automatic phosphating treatment device and a phosphating treatment method. Background Art

[0002] Phosphating treatment, as a key process for metal surface treatment, is widely used in automobile manufacturing, mechanical processing, aerospace and other fields. Its core purpose is to form a phosphating film on the metal surface by immersion to improve the metal's corrosion resistance, coating adhesion and wear resistance.

[0003] The existing phosphating treatment method still has some defects: the loading and unloading links rely on manual operation, and the materials need to be manually dumped from the packaging box into the storage device, and unloaded and collected after processing. This is not only labor-intensive, but also prone to material loss or contamination due to operational errors; the material transfer process mostly adopts overhead crane or simple rail transportation, which has low positioning accuracy and slow transfer efficiency, making it difficult to meet the efficient requirements of continuous production for process connection, resulting in limited overall production line capacity; the consistency of phosphating treatment parameters of traditional equipment is relatively low, and quality problems such as uneven phosphating film thickness and insufficient adhesion are prone to occur. The segmented layout leads to discontinuous material transfer paths between the dipping tanks. Excessive exposure time of the material may cause surface oxidation, further affecting the phosphating effect; moreover, the functional modules of the existing phosphating production line are mostly independently designed and lack systematic integration, resulting in large equipment footprint, complex installation and commissioning, and high maintenance costs. At the same time, manual labor is frequently involved in material handling and equipment operation, posing safety risks such as collisions and chemical exposure.

[0004] In response to the above problems, although some automated phosphating equipment in the existing technology attempts to solve the material transportation problem through robotic arm transfer or rail-type conveying, the degree of optimization is limited, and an integrated solution that takes into account efficient transfer, precise process control and high cost-effectiveness has not yet been formed. Summary of the Invention

[0005] In response to the shortcomings of the existing technology, the present invention provides a gantry-type automatic phosphating treatment device and a phosphating treatment method. The purpose of the present invention is to provide a phosphating treatment device and method with a compact layout, a high degree of automation, and stable process control, so as to meet the modern industry's demand for efficient, stable, and safe production of phosphating treatment.

[0006] A first aspect of the present invention is to provide a gantry-type automatic phosphating treatment device, comprising a loading mechanism, a storage mechanism, a rotary lifting mechanism, an immersion tank, a traveling mechanism, a discharge mechanism and a gantry frame; the gantry frame is arranged in a long strip, and a rotary lifting mechanism is provided at both ends thereof, and a loading mechanism and a discharge mechanism are also provided at both ends thereof; a plurality of immersion tanks are arranged along the length direction on the gantry frame; a traveling mechanism that can move along the length direction is also provided on the gantry frame, and the traveling mechanism is located above the immersion tank; the loading mechanism loads the material to be phosphated into the storage barrel of the storage mechanism; the rotary lifting mechanism located at the loading end transfers the storage mechanism to the traveling mechanism; the traveling mechanism immerses the storage mechanism in the immersion tank, and after immersion is completed, takes the storage mechanism out and transports it to the discharge end; the rotary lifting mechanism located at the discharge end transfers the storage mechanism to the discharge mechanism, and the discharge mechanism takes out and collects the material that has been phosphated in the storage mechanism.

[0007] As a further optimization solution for the gantry-type automatic phosphating treatment device, the loading mechanism includes a loading platform, a turning bucket, a turning motor, and a limit slot; the loading platform is horizontally arranged at the loading end of the gantry frame, and its top surface is provided with a load-bearing area for carrying packaging boxes containing materials to be phosphated; a turning bucket and a limit slot are provided on the side adjacent to the loading platform; a feeding port is provided at one end of the bucket body of the turning bucket and a discharging port is provided at the other end; the turning motor is powered by a rotating shaft connected to the turning bucket and is used to drive the turning bucket to turn so that the materials to be phosphated in the bucket body fall through the discharging port into the storage barrel of the storage mechanism in the limit slot below.

[0008] As a further optimization solution for the gantry-type automatic phosphating treatment device, the rotary lifting mechanism located at the loading end transfers the storage mechanism in the square limit slot to the walking mechanism.

[0009] As a further optimization solution for the gantry-type automatic phosphating treatment device, the traveling mechanism includes a traveling drive assembly, a traveling frame, a lifting unit and a carrying member; at least two parallel traveling guide rails are provided on the top of the gantry frame along the length direction, and the two ends of the traveling frame cooperate with the traveling guide rails, and the traveling drive assembly drives the traveling frame to move along the length direction of the gantry frame; the lifting unit drives the carrying member to move vertically; and the carrying member has a locking portion that is engaged with the storage mechanism.

[0010] As a further optimization solution for the gantry-type automatic phosphating treatment device, the two ends of the traveling frame slide with the traveling guide rails. The traveling drive assembly includes a traveling motor, a driving gear and a traveling rack arranged along the length direction of the traveling guide rail. The traveling motor is fixed to the end of the traveling frame, and its output shaft is connected to the driving gear. The driving gear is engaged with the traveling rack to drive the traveling frame to reciprocate along the length direction of the gantry frame.

[0011] As a further optimization solution for the gantry-type automatic phosphating treatment device, a rotary lifting mechanism located at the unloading end transfers the storage mechanism on the walking mechanism to the unloading mechanism.

[0012] As a further optimization solution for the gantry-type automatic phosphating treatment device, the unloading mechanism includes a collecting hopper, a conveyor belt, and a packaging platform; the collecting hopper is arranged adjacent to the rotating lifting mechanism at the unloading end, the size of its hopper mouth is adapted to the storage mechanism, and an inclined material guiding surface is provided at the bottom of the hopper body; the conveyor belt is arranged horizontally below the discharge end of the collecting hopper, and a packaging platform is provided at the end of its conveying direction; a load-bearing roller group for carrying material packaging boxes is provided on the packaging platform.

[0013] As a further optimization scheme of the gantry-type automatic phosphating treatment device, the storage mechanism includes a support frame and a storage barrel. The storage barrel is arranged horizontally, and the rotating shafts at both ends thereof can be rotatably installed on both sides of the support frame; a discharging shaft is provided on the support frame and above the storage barrel, and the discharging shaft is dynamically connected to the edges of both sides of the storage barrel for driving the storage barrel to rotate; slots are respectively provided on both sides of the hopper to match the positioning columns at both ends of the support frame, and a discharging motor is also provided on one side of the hopper, and the output end of the discharging motor is connected to the discharging driving wheel; when the slots on both sides of the hopper are engaged with the positioning columns at both ends of the support frame, the discharging driving wheel cooperates with the driven wheel at the end of the discharging shaft, thereby driving the storage barrel to roll to its side wall opening downward to realize discharging.

[0014] The second aspect of the present invention is to provide a phosphating method, which uses the above-mentioned gantry-type automatic phosphating device to perform phosphating treatment on materials.

[0015] The phosphating method comprises the following steps: Step S1: The feeding mechanism loads the material to be phosphated into the storage cylinder of the storage mechanism; Step S2: The rotary lifting mechanism at the loading end transfers the storage mechanism to the traveling mechanism; Step S3: The traveling mechanism moves along the length direction of the gantry frame, and the material storage mechanism is immersed in the dipping tank arranged on the gantry frame for phosphating treatment; Step S4: After the impregnation is completed, the walking mechanism takes the storage mechanism out of the impregnation tank and transports it to the unloading end; Step S5: The rotary lifting mechanism at the unloading end transfers the storage mechanism on the traveling mechanism to the unloading mechanism; Step S6: The unloading mechanism takes out the phosphating-treated material from the storage mechanism and collects it.

[0016] Beneficial effects The gantry-type automatic phosphating treatment device provided by the present invention achieves integrated phosphating process flow through the long strip layout of the gantry frame. Functional mechanisms such as loading, storage, phosphating, and unloading are systematically distributed along the length, forming a coherent automated production line. The loading mechanism, through the cooperation of a tilting bucket and a limiter slot, automatically loads materials from the loading packaging box into the storage barrel, reducing the labor intensity of manual handling and dumping, and improving loading efficiency and safety. The operation of the traveling mechanism enables precise positioning and efficient transfer of the storage mechanism between different workstations, ensuring that materials pass through each dipping tank in the order of the process, meeting the requirements of continuous operation of the phosphating process and effectively improving the consistency and stability of the phosphating quality. The unloading mechanism, through the cooperation of a collection hopper, a conveyor belt, and a packaging table, automatically collects and packages the phosphating-treated materials, further enhancing the automation level of the production line. The overall device significantly reduces manual intervention, improves production efficiency, and reduces labor costs, providing a strong guarantee for the standardization and large-scale production of the phosphating process.

[0017] The phosphating method provided by the present invention utilizes the aforementioned gantry-type automatic phosphating apparatus, achieving fully automated control of the phosphating process through automated loading, transport, impregnation, and unloading processes. Each step is seamlessly integrated, and the traveling mechanism ensures that the material is fully phosphated in each impregnation tank by controlling the immersion depth and residence time of the storage mechanism, thereby ensuring the stability and consistency of the phosphating quality. This method avoids the errors and safety hazards of manual operation, significantly improves production efficiency, reduces labor costs and material loss, and can meet the needs of large-scale industrial production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 、 Figure 2 、 Figure 3 It is a schematic diagram of the overall structure of the gantry-type automatic phosphating treatment device.

[0019] Figure 4 、 Figure 5 This is a structural diagram of the loading end of a gantry-type automatic phosphating treatment device.

[0020] Figure 6 、 Figure 7 、 Figure 8 This is a structural diagram of the traveling mechanism of the gantry-type automatic phosphating treatment device.

[0021] Figure 9 、 Figure 10 This is a structural schematic diagram of the unloading end of the gantry-type automatic phosphating treatment device.

[0022] Figure 11 It is a schematic diagram of the coordination between the storage mechanism and the unloading mechanism in the gantry-type automatic phosphating treatment device.

[0023] In the figure, 1. feeding mechanism; 2. storage mechanism; 3. rotary lifting mechanism; 4. dipping tank; 5. traveling mechanism; 6. unloading mechanism; 9. gantry frame; 11. feeding platform; 12. tipping bucket; 13. tipping motor; 14. limit slot; 21. storage barrel; 22. support frame; 23. discharge shaft; 24. driven wheel; 51. travel drive assembly; 52. travel frame; 53. lifting unit; 61. collecting hopper; 62. conveyor belt; 63. packaging table; 64. discharge motor; 65. discharge drive wheel; 91. travel guide rail; 92. travel rack; 511. travel motor; 512. driving gear. DETAILED DESCRIPTION

[0024] The present invention is further illustrated below by means of specific examples. These examples are exemplary and are intended to illustrate the problem and explain the present invention, but are not intended to be limiting.

[0025] A gantry type automatic phosphating treatment device, such as Figures 1 to 11 As shown, it includes a loading mechanism 1, a storage mechanism 2, a rotating lifting mechanism 3, an immersion tank 4, a walking mechanism 5, a unloading mechanism 6 and a gantry frame 9.

[0026] like Figures 1 to 3 As shown, the gantry frame 9 is arranged in a long strip, with a rotating lifting mechanism 3 at both ends, and a loading mechanism 1 and a unloading mechanism 6 at both ends respectively; a number of dipping tanks 4 are arranged along the length direction on the gantry frame 9; each dipping tank 4 stores various dipping liquids stored in the order of the phosphating dipping process; a walking mechanism 5 that can move along the length direction is also provided on the gantry frame 9, and the walking mechanism 5 is located above the dipping tank 4; the loading mechanism 1 loads the material to be phosphated into the storage cylinder 21 of the storage mechanism 2; the rotating lifting mechanism 3 located at the loading end transfers the storage mechanism 2 to the walking mechanism 5; the walking mechanism 5 immerses the storage mechanism 2 in the dipping tank 4, and after the dipping is completed, takes the storage mechanism 2 out and transports it to the unloading end; the rotating lifting mechanism 3 located at the unloading end transfers the storage mechanism 2 to the unloading mechanism 6, and the unloading mechanism 6 takes out and collects the material that has been phosphated in the storage mechanism 2.

[0027] The above-mentioned gantry-type automatic phosphating treatment device realizes the integrated integration of the phosphating treatment process through the long layout of the gantry frame 9, and the various functional mechanisms are orderly distributed along the length direction to form a coherent automated production line; the loading mechanism 1 and the unloading mechanism 6 are respectively arranged at both ends of the gantry frame 9, and cooperate with the rotating lifting mechanism 3 to complete the automatic loading and unloading of materials, significantly reducing manual intervention and improving production efficiency and safety; the walking mechanism 5 can move along the length direction of the gantry frame 9, and cooperate with the rotating lifting mechanism 3 to realize the precise positioning and efficient transfer of the storage mechanism 2 between different workstations, ensuring that the materials pass through each dipping tank 4 in sequence according to the process sequence, meeting the requirements of continuous operation of the phosphating treatment process, and improving the consistency and stability of the phosphating treatment quality.

[0028] like Figure 4 、 Figure 5 As shown, the loading mechanism 1 comprises a loading platform 11, a tilting bucket 12, a tilting motor 13, and a stopper slot 14. The loading platform 11 is horizontally positioned at the loading end of the gantry frame 9. Its top surface forms a load-bearing area for placing packaging boxes containing materials to be phosphating treated. Immediately adjacent to the loading platform 11, the tilting bucket 12 and the stopper slot 14 are arranged in sequence. The tilting bucket 12 is a bucket structure with an inlet at one end and a discharge at the other. Its rotating shaft is mounted on a fixed bracket via bearings. The output shaft of the tilting motor 13 is drivingly connected to this rotating shaft, driving the tilting bucket 12 to tilt about the rotating shaft. The stopper slot 14 is fixed directly below the discharge opening of the tilting bucket 12. Its shape matches that of the storage mechanism 2 and serves to position the storage mechanism 2 so that the opening on the side wall of the storage barrel 21 aligns with the discharge opening of the tilting bucket 12.

[0029] During operation, the material to be phosphated is placed in its packaging onto the loading area of the loading platform 11. An operator or a robotic arm then pours the material from the packaging into the feed opening of the tilting bucket 12. The tilting motor 13 activates, driving the tilting bucket 12 to rotate around its axis. Under the influence of gravity, the material inside the bucket slides out of the discharge opening and precisely lands in the storage barrel 21 of the accumulator 2 below. The loading platform 11, tilting bucket 12, and position-limiting slots 14 work together to automatically load the material to be phosphated from the loading packaging into the storage barrel 21. Driven by the tilting motor 13, the tilting bucket 12 quickly unloads the material, reducing the labor of manual handling and dumping and improving loading efficiency. The position-limiting slots 14 position the accumulator 2, ensuring that the material precisely lands in the storage barrel 21, minimizing material loss and environmental pollution, and paving the way for automated transfer in subsequent processes. The structure is compact and is compatible with the layout of the loading end of the gantry frame 9, forming a coherent material input process, which significantly improves the automation level and production safety of the phosphating treatment device.

[0030] The rotary lifting mechanism 3 at the loading end transfers the accumulator 2 within the square limit slot 14 to the traveling mechanism 5. The rotary lifting mechanism 3 comprises a vertically movable rotating arm with a snap-fit structure at its end that mates with the accumulator 2. Once the accumulator 2 within the limit slot 14 has been loaded with material, the rotary lifting mechanism 3 descends to the height of the accumulator 2 via a lifting unit. The rotating arm rotates to the corresponding angle, allowing the snap-fit structure to dock with the support frame 22. The lifting unit then lifts the accumulator 2 out of the limit slot 14 and transfers it to the traveling mechanism 5.

[0031] like Figures 6 to 8 As shown, the walking mechanism 5 includes a walking drive assembly 51, a walking frame 52, a lifting unit 53 and a carrying member; at least two parallel walking guide rails 91 are provided on the top of the gantry frame 9 along the length direction, and both ends of the walking frame 52 cooperate with the walking guide rails 91, and the walking drive assembly 51 drives the walking frame 52 to move along the length direction of the gantry frame 9; the lifting unit 53 drives the carrying member to move vertically; the carrying member has a locking portion that is locked and connected to the storage mechanism 2.

[0032] The two ends of the walking frame 52 slide together with the walking guide rails 91. The walking drive assembly 51 includes a walking motor 511, a driving gear 512 and a walking rack 92 arranged along the length direction of the walking guide rail 91. The walking motor 511 is fixed to the end of the walking frame 52, and its output shaft is connected to the driving gear 512 for transmission. The driving gear 512 is engaged with the walking rack 92 to drive the walking frame 52 to reciprocate along the length direction of the gantry frame 9.

[0033] During operation, the travel drive assembly 51 drives the travel frame 52 along the travel guide rails 91 to the top of the target dipping tank 4. The lifting unit 53 then lowers the carrier 54, allowing the engaging portion to dock with the accumulator 2. The lifting unit 53 then lifts the accumulator 2, disengaging it from the rotary lifting mechanism 3 or the dipping tank 4. The travel drive assembly 51 then transfers the accumulator 2 to the next workstation. The cooperation between the travel guide rails 91 and the travel frame 52 ensures smooth movement of the travel mechanism 5, meeting the requirements for automated material transfer between different dipping tanks 4 during the phosphating process, eliminating manual intervention and improving process transition efficiency. Furthermore, by precisely controlling the immersion depth and dwell time of the accumulator 2, the system provides hardware support for standardized and stable phosphating processes, significantly improving the automation level and production efficiency of the production line.

[0034] A rotary lifting mechanism 3 is also provided at the unloading end, and the rotary lifting mechanism 3 transfers the storage mechanism 2 on the traveling mechanism 5 to the unloading mechanism 6 .

[0035] like Figure 9 、 Figure 10 As shown, the unloading mechanism 6 comprises a hopper 61, a conveyor belt 62, and a packaging platform 63. The hopper 61 is funnel-shaped, with its top opening sized to match the dimensions of the accumulator 2. An inclined guide surface is located at the bottom of the hopper, with an angle of 30°-45°, depending on the material's characteristics, to facilitate material sliding down the slope. The conveyor belt 62 is mounted horizontally directly below the discharge end of the hopper 61, with its input end aligned with the discharge opening and its output end extending to the packaging platform 63. The packaging platform 63 is equipped with a set of parallel load-bearing rollers to facilitate operator movement of the material packaging boxes across the packaging platform.

[0036] In addition, if Figure 11 As shown, the storage mechanism 2 includes a support frame 22 and a storage barrel 21. The storage barrel 21 is arranged horizontally, and the rotating shafts at both ends thereof can be rotatably installed on both sides of the support frame 22; a discharging shaft 23 is provided on the support frame 22 and above the storage barrel 21, and the discharging shaft 23 is dynamically connected to the edges of both sides of the storage barrel 21, and is used to drive the storage barrel 21 to rotate; the collecting hopper 61 is respectively provided with a card slot that is adapted to the positioning columns at both ends of the support frame 22, and a discharging motor 64 is also provided on one side of the collecting hopper 61, and the output end of the discharging motor 64 is connected to the discharging drive wheel 65; when the card slots on both sides of the collecting hopper 61 are engaged with the positioning columns at both ends of the support frame 22, the discharging drive wheel 65 cooperates with the driven wheel 24 at the end of the discharging shaft 23, thereby driving the storage barrel 21 to roll to its side wall opening downward to realize discharging.

[0037] During operation, the accumulator 2 is lowered into the hopper 61 by the rotary lifting mechanism 3. The positioning posts of the support frame 22 engage the slots of the hopper 61 to secure it. The phosphating material in the accumulator 21 is then turned over and discharged by the discharge motor 64. The material slides down the inclined guide surface of the hopper 61 onto the conveyor belt 62, where it is transported to the packaging table 63 for collection and packaging.

[0038] The following further introduces a phosphating treatment method, which uses the above-mentioned gantry-type automatic phosphating treatment device to phosphate the material, including the following steps: Step S1: The feeding mechanism 1 loads the material to be phosphated into the storage cylinder 21 of the storage mechanism 2; Step S2: The rotary lifting mechanism 3 at the loading end transfers the storage mechanism 2 to the traveling mechanism 5; Step S3: The traveling mechanism 5 moves along the length direction of the gantry frame 9, and immerses the storage mechanism 2 into the dipping tank 4 arranged on the gantry frame 9 for phosphating treatment; Step S4: After the impregnation is completed, the traveling mechanism 5 takes the storage mechanism 2 out of the impregnation tank 4 and transports it to the unloading end; Step S5: The rotary lifting mechanism 3 at the unloading end transfers the storage mechanism 2 on the traveling mechanism 5 to the unloading mechanism 6; Step S6: the unloading mechanism 6 takes out the phosphating treated material from the storage mechanism 2 and collects it.

[0039] The above embodiments are exemplary and intended to illustrate the technical concepts and features of the present invention so that those skilled in the art can understand the present invention and implement it accordingly. They are not intended to limit the scope of protection of the present invention. Any equivalent changes or modifications made in accordance with the spirit of the present invention are intended to be included within the scope of protection of the present invention.

Claims

1. A gantry type automatic phosphating treatment device, characterized in that: It comprises a feeding mechanism (1), a storage mechanism (2), a rotary lifting mechanism (3), an immersion tank (4), a walking mechanism (5), a discharging mechanism (6) and a gantry frame (9); the gantry frame (9) is arranged in a long strip, and is provided with a rotary lifting mechanism (3) at both ends thereof, and is also provided with the feeding mechanism (1) and the discharging mechanism (6) at both ends; a plurality of immersion tanks (4) are arranged along the length direction on the gantry frame (9); a walking mechanism (5) movable along the length direction is also provided on the gantry frame (9), and the walking mechanism (5) is located above the immersion tank (4); the feeding mechanism (1) loads the material to be phosphated into the storage barrel (21) of the storage mechanism (2); The rotary lifting mechanism (3) located at the feeding end transfers the storage mechanism (2) to the walking mechanism (5); the walking mechanism (5) immerses the storage mechanism (2) into the impregnation tank (4), and after the impregnation is completed, takes out the storage mechanism (2) and transports it to the unloading end; the rotary lifting mechanism (3) located at the unloading end transfers the storage mechanism (2) to the unloading mechanism (6), and the unloading mechanism (6) takes out and collects the material that has been phosphating-treated in the storage mechanism (2).

2. The gantry type automatic phosphating treatment device according to claim 1, characterized in that: The feeding mechanism (1) includes a feeding platform (11), a tipping bucket (12), a tipping motor (13), and a limit slot (14); the feeding platform (11) is horizontally arranged at the feeding end of the gantry frame (9), and its top surface is provided with a bearing area for carrying a packaging box containing materials to be phosphating; the tipping bucket (12) and the limit slot (14) are provided on a side adjacent to the feeding platform (11); the tipping bucket (12) has a feed port at one end and a discharge port at the other end; the tipping motor (13) is connected to the rotating shaft of the tipping bucket (12) by power, and is used to drive the tipping bucket (12) to tip, so that the materials to be phosphating in the bucket body fall through the discharge port into the storage barrel (21) of the storage mechanism (2) in the limit slot (14) below.

3. The gantry type automatic phosphating treatment device according to claim 2, characterized in that: The rotary lifting mechanism (3) located at the loading end transfers the storage mechanism (2) in the square limit slot (14) to the walking mechanism (5).

4. The gantry type automatic phosphating treatment device according to claim 1, characterized in that: The walking mechanism (5) includes a walking drive assembly (51), a walking frame (52), a lifting unit (53) and a carrying member; at least two parallel walking guide rails (91) are provided on the top of the gantry frame (9) along the length direction, and both ends of the walking frame (52) cooperate with the walking guide rails (91); the walking drive assembly (51) drives the walking frame (52) to move along the length direction of the gantry frame (9); the lifting unit (53) drives the carrying member to move vertically; and the carrying member has a clamping portion that is clamped and connected to the storage mechanism (2).

5. The gantry type automatic phosphating treatment device according to claim 4, characterized in that: The two ends of the walking frame (52) are slidably matched with the walking guide rail (91), and the walking drive assembly (51) includes a walking motor (511), a driving gear (512) and a walking rack (92) arranged along the length direction of the walking guide rail (91). The walking motor (511) is fixed to the end of the walking frame (52), and its output shaft is transmission-connected with the driving gear (512). The driving gear (512) is meshed with the walking rack (92) to drive the walking frame (52) to reciprocate along the length direction of the gantry frame (9).

6. The gantry type automatic phosphating treatment device according to claim 1, characterized in that: The rotary lifting mechanism (3) located at the unloading end transfers the storage mechanism (2) on the walking mechanism (5) to the unloading mechanism (6).

7. The gantry type automatic phosphating treatment device according to claim 6, characterized in that: The unloading mechanism (6) includes a collecting hopper (61), a conveyor belt (62), and a packaging platform (63); the collecting hopper (61) is arranged adjacent to the rotary lifting mechanism (3) at the unloading end, the size of its hopper opening is adapted to the material storage mechanism (2), and an inclined material guide surface is provided at the bottom of the hopper body; the conveyor belt (62) is arranged horizontally below the discharge end of the collecting hopper (61), and the packaging platform (63) is provided at the end thereof in the conveying direction; and a bearing roller group for bearing a material packaging box is provided on the packaging platform (63).

8. The gantry type automatic phosphating treatment device according to claim 7, characterized in that: The storage mechanism (2) comprises a support frame (22) and a storage barrel (21), wherein the storage barrel (21) is arranged horizontally, and the rotating shafts at both ends thereof are rotatably mounted on both sides of the support frame (22); a discharge shaft (23) is provided on the support frame (22) and above the storage barrel (21), and the discharge shaft (23) is connected to the edges of both sides of the storage barrel (21) by power, and is used to drive the storage barrel (21) to rotate; and two sides of the collecting hopper (61) are respectively provided with a support frame (22) and a discharge shaft (23) connected to the support frame (22) and a discharge shaft (23) connected to the edges of both sides of the storage barrel (21) by power, and are used to drive the storage barrel (21) to rotate. The hopper (61) is provided with a discharging motor (64) on one side thereof, and the output end of the discharging motor (64) is connected to a discharging driving wheel (65); when the slots on both sides of the hopper (61) are engaged with the locating columns at both ends of the support frame (22), the discharging driving wheel (65) cooperates with the driven wheel (24) at the end of the discharging shaft (23), thereby driving the storage barrel (21) to roll to the side wall opening thereof downward to realize discharging.

9. A phosphating method, characterized in that: Phosphating the material using the gantry-type automatic phosphating treatment device described in any one of claims 1 to 8.

10. The phosphating method according to claim 9, characterized in that: The following steps are involved: Step S1: the feeding mechanism (1) loads the material to be phosphated into the storage cylinder (21) of the storage mechanism (2); Step S2: The rotary lifting mechanism (3) at the loading end transfers the storage mechanism (2) to the walking mechanism (5); Step S3: the walking mechanism (5) moves along the length direction of the gantry frame (9) to immerse the storage mechanism (2) in the dipping tank (4) arranged on the gantry frame (9) for phosphating treatment; Step S4: After the impregnation is completed, the walking mechanism (5) takes the storage mechanism (2) out of the impregnation tank (4) and transports it to the unloading end; Step S5: The rotary lifting mechanism (3) at the unloading end transfers the storage mechanism (2) on the walking mechanism (5) to the unloading mechanism (6); Step S6: The unloading mechanism (6) takes out the phosphating-treated material from the storage mechanism (2) and collects it.

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