A wet hydrogen tool for stainless steel bottom plate

Abstract

The application discloses a wet hydrogen tool for a stainless steel bottom plate, wherein the stainless steel bottom plate is provided with a plurality of groups of holes, and the wet hydrogen tool is arranged in one-to-one correspondence with the plurality of groups of holes; the wet hydrogen tool is composed of a combined block formed by stacking a first cylinder and a second cylinder used for clamping the holes in an up-down mode; the radius of the second cylinder is greater than that of the first cylinder; and the bottom surface of the second cylinder is provided with a sink groove used for clamping the first cylinder of an adjacent wet hydrogen tool; the tool is rationally designed; the three holes of the stainless steel bottom plate are supported and stacked by stacking the first cylinder and the second cylinder in an up-down mode, the stability of the stacked stainless steel bottom plate is ensured, and the working surface of the stainless steel bottom plate is protected from being affected during machining and processing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wet hydrogen tooling, in particular to a wet hydrogen tooling for stainless steel bottom plate. BACKGROUND

[0002] The cathode plate assembly is a key component in the CT tube, as a supporting part of the cathode component, directly affects the quality of X-ray, usually the cathode plate assembly is used with the tube shell assembly, the commonly used tube shell assembly has glass material, stainless steel material, oxygen-free copper material and white copper material, among them, the stainless steel tube shell has been widely used in the CT tube, the wet hydrogen process can well play the role of improving the product surface thermal radiation coefficient.

[0003] Among them, the stainless steel bottom plate matched with the tube shell assembly, as a supporting part of the cathode end, also needs to be treated by wet hydrogen, during the wet hydrogen process of the stainless steel bottom plate, the temperature and atmosphere of each stainless steel bottom plate need to be uniform, and the appearance of the working surface of the stainless steel bottom plate requires very high, scratches, dirt and the like are not allowed, therefore, a tooling design for processing the stainless steel bottom plate is needed to ensure that the atmosphere flows uniformly during the wet hydrogen process, does not contact the working surface of the stainless steel bottom plate, and the product quantity can be flexibly adjusted during use. SUMMARY

[0004] To solve the above technical problems, the present application provides a wet hydrogen tooling for stainless steel bottom plate.

[0005] The technical scheme of the present application is: a wet hydrogen tooling for stainless steel bottom plate, the stainless steel bottom plate is provided with multiple groups of holes, the wet hydrogen tooling is provided in one-to-one correspondence with the multiple groups of holes, the wet hydrogen tooling is composed of a combination block formed by stacking a first cylinder for clamping with the holes and a second cylinder, the radius of the second cylinder is greater than that of the first cylinder, the bottom surface of the second cylinder is provided with a sink groove for clamping with the first cylinder of the adjacent wet hydrogen tooling, the plane of the stainless steel bottom plate is the working surface, and the convex surface is the non-working surface.

[0006] The convex surface of the stainless steel bottom plate at the position corresponding to each hole is respectively provided with a platform for placing in cooperation with the second cylinder, the platform processed on the stainless steel bottom plate and the holes of the stainless steel bottom plate are matched and stacked with the wet hydrogen tooling to support the stainless steel bottom plate, so that there is a gap between the stainless steel bottom plates stacked and assembled with the wet hydrogen tooling, ensuring that the atmosphere flows uniformly during the wet hydrogen process and protecting the working surface.

[0007] Further, the stainless steel bottom plate is provided with three groups of holes, and the radii of the three groups of holes are different.

[0008] Further, the wet hydrogen tooling is provided with a base for placing the stainless steel bottom plate and the wet hydrogen tooling, the base is a hollow shell, and the base is provided with a bottom plate and a driving assembly.

[0009] The two sides of the bottom plate are slidably connected with the inner wall of the base, four groups of universal wheels are arranged on the bottom plate and are rotatably connected with the bottom plate, and the universal wheels on the bottom plate drive the base to move;

[0010] The driving assembly comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is arranged in parallel above the bottom plate, the second rotating shaft is arranged vertically on the surface of the bottom plate, one end of the second rotating shaft penetrates through the bottom plate and is threadedly connected with the bottom plate, a limiting plate is arranged at one end of the second rotating shaft, the other end of the second rotating shaft is rotatably connected with the top surface of the base, a worm is arranged at one end of the first rotating shaft, a worm wheel is arranged on the second rotating shaft and is in meshing transmission with the worm, through the above arrangement, the first rotating shaft drives the second rotating shaft to rotate, so that the bottom plate drives the universal wheels to extend out of the base to move the wet hydrogen tool and the stainless steel bottom plate to a specified position, when the wet hydrogen tool and the stainless steel bottom plate are moved to the specified position, the bottom plate drives the universal wheels to retract into the base to stop moving;

[0011] The first rotating shaft is rotatably connected with a connecting rod arranged on the top surface of the base, the other end of the first rotating shaft is rotatably connected with a shaft rod, and one end of the shaft rod penetrates through the base and is provided with a knob.

[0012] Further, a brake assembly is arranged on the bottom plate at one side of the universal wheel, the brake assembly comprises an arc plate and a fixed plate.

[0013] One end of the arc plate is provided with a flat plate for blocking the universal wheel, the flat plate is slidably connected with the bottom plate, and a sliding rod is arranged on one side of the arc plate.

[0014] The fixed plate is arranged obliquely on the inner wall of the base, and a sliding groove is arranged on the fixed plate along the length direction of the fixed plate and is in abutment with the sliding rod to move the flat plate to the universal wheel, through the arrangement of the arc plate, the fixed plate and other components, the universal wheel is blocked from moving while retracting into the base, and the risk of moving during the retraction of the universal wheel into the base is further reduced.

[0015] Further, the other end of the first rotating shaft is provided with a first connecting piece, the other end of the shaft rod is provided with a second connecting piece, a protrusion arranged on the first connecting piece is matched and clamped with a first groove arranged on the second connecting piece, through the matched clamping of the protrusion and the first groove, the shaft rod is detachably connected with the first rotating shaft, and the shaft rod is convenient to disassemble and assemble.

[0016] Further, the top surface of the base is provided with a concave platform for placing the stainless steel bottom plate and the wet hydrogen tool, a pushing ring for externally connecting a pushing rod is arranged on the side wall of the base above the rotating ring, and four groups of first springs for damping are arranged on the bottom plate, and the upper end of the first spring is connected with the top surface of the base. The concave platform is arranged to ensure the placement position of the entire tool, the pushing ring is arranged to externally connect the pushing rod, the first spring can reduce the vibration caused by the uneven road surface, and the assembled stainless steel bottom plate is protected.

[0017] Further, the second cylinder corresponding to the sink side wall is provided with an annular cavity, and the annular cavity is provided with a locking assembly, and the locking assembly comprises a threaded rod;

[0018] The threaded rod is arranged in the annular cavity in the vertical direction, the upper end of the threaded rod penetrates through the top surface of the second cylinder and is provided with a pressing block, the lower end of the threaded rod is provided with a locking block which is threadedly connected with the threaded rod, the top surface of the second cylinder is provided with a second groove for the pressing block to move into, the annular cavity is provided with a first supporting plate for supporting the locking block, and the locking block is rotationally connected with the first supporting plate;

[0019] The annular cavity above the locking block is provided with a second supporting plate, the first supporting plate and the second supporting plate are provided with a first opening for the threaded rod to pass through, a second spring is arranged on the threaded rod between the pressing block and the second supporting plate, a second opening is arranged on the inner wall of the sink of the locking block for the locking block to rotationally extend into the sink, and the first cylinder is provided with a third groove matched with the locking block, so that when the stainless steel bottom plate is assembled on the wet hydrogen tooling, the second cylinder and the adjacent first cylinder are locked by the locking assembly, so that the wet hydrogen tooling and the stainless steel bottom plate are more stable, the shaking is reduced, the upper wet hydrogen tooling is prevented from falling off from the lower wet hydrogen tooling, the interlocking is generated by the gravity of the stainless steel bottom plate placed on the second cylinder, the structure is simple, and the operation is convenient.

[0020] Further, the locking assembly is centrally symmetric with the center of the second cylinder, and two groups of the locking assembly are arranged, so that the locking effect of the first cylinder and the second cylinder is improved.

[0021] The wet hydrogen tooling is used for assembling the stainless steel bottom plate and the wet hydrogen tooling, and the method comprises the following steps:

[0022] S1: different specifications of the first cylinder are processed according to the size of the three groups of holes of the stainless steel bottom plate;

[0023] S2: the stainless steel bottom plate is sleeved on the first cylinder of the wet hydrogen tooling, the second cylinder is sleeved on the platform of the stainless steel bottom plate, the sink of the second cylinder is sleeved on the first cylinder of another group of wet hydrogen tooling, and a plurality of groups of wet hydrogen tooling and a plurality of groups of stainless steel bottom plate are stacked and assembled;

[0024] S3: the assembled stainless steel bottom plate and wet hydrogen tooling are placed on the base, are moved into a wet hydrogen atmosphere, are heated to 900-1000 DEG C in the wet hydrogen atmosphere, are subjected to surface wet hydrogen treatment, the surface heat radiation coefficient of the stainless steel bottom plate is improved, the qualified wet hydrogen product is moved into a vacuum furnace and is heated to 700-900 DEG C for 1-3 h, and the surface oxide layer is ensured to be stable, so that the gap between the stainless steel bottom plates is ensured, the working surface of the stainless steel bottom plate is not contacted, and the uniform and consistent oxide layer is obtained on the working surface.

[0025] The beneficial effects of the present application are:

[0026] (1) The present application supports the stacking of the stainless steel bottom plate by the upper and lower stacking of the first cylinder and the second cylinder through the characteristics of the three holes of the stainless steel bottom plate, ensuring the stability of the stacking of the stainless steel bottom plate, and protecting the working surface of the stainless steel bottom plate from being affected during processing.

[0027] (2) The present application can be flexibly adjusted according to the number of each batch of products and the size of the furnace cavity by setting multiple wet hydrogen tooling stacking sleeves, and is convenient to assemble.

[0028] (3) The present application sets the base to facilitate the movement of the stainless steel bottom plate and the wet hydrogen tooling, and the universal wheels on the base can be retracted or extended out of the base. When the universal wheels rise and fall, the brake assembly will hinder the movement of the universal wheels, and the parking will no longer move.

[0029] (4) The present application sets the locking assembly, which can lock the first cylinder of the adjacent wet hydrogen tooling when assembling with the stainless steel bottom plate, ensuring that the assembly of the adjacent wet hydrogen tooling is more stable and reducing the shaking of the wet hydrogen tooling. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a front assembly schematic view of the wet hydrogen tooling and the stainless steel bottom plate of the present application;

[0031] Figure 2 is a cross-sectional schematic view of the wet hydrogen tooling and the stainless steel bottom plate of the present application;

[0032] Figure 3 is a front view of the present application; Figure 1

[0033] Figure 4 is an internal perspective view of the base of the present application;

[0034] Figure 5 is an internal view of the base of the present application;

[0035] Figure 6 is a connection relationship schematic view of the driving assembly and the base plate of the present application;

[0036] Figure 7 is an appearance view of the base of the present application;

[0037] Figure 8 is a structure schematic view of the first connecting piece of the present application;

[0038] Figure 9 is a structure schematic view of the second connecting piece of the present application;

[0039] Figure 10 is a structure schematic view of the second connecting piece of the present application;​Figure 7 Enlarged view of point B;

[0040] Figure 11 This is a schematic diagram of the positional relationship between the second cylinder and the pressing block of the present invention;

[0041] Figure 12 is a schematic cross-sectional view of the locking assembly of the present invention;

[0042] Figure 13 It is a schematic diagram of the three-dimensional structure of the locking assembly of the present invention;

[0043] Figure 14 It is a schematic diagram of the internal structure of the locking assembly of the present invention;

[0044] Figure 15 It is a schematic structural diagram of the locking assembly of the present invention when locked;

[0045] Among them, 1-wet hydrogen tooling, 11-first cylinder, 12-second cylinder, 121-sink, 2-stainless steel bottom plate, 3-knob, 4-base, 41-universal wheel, 42-bottom plate, 421-first spring, 5-drive assembly, 51-first rotating shaft, 511-connecting rod, 512-first connecting piece, 5121-bump, 513-worm, 52-shaft, 521-second connecting piece, 5211-first groove, 53-second rotating shaft, 531-worm gear, 6-brake assembly, 61-arc plate, 611-slide rod, 63-flat plate, 64-fixed plate, 641-slide groove, 7-locking assembly, 71-pressure block, 72-threaded rod, 73-locking block, 74-second spring. DETAILED DESCRIPTION

[0046] The present invention will be further described in detail below in conjunction with specific implementation methods to better demonstrate the advantages of the present invention.

[0047] Example 1

[0048] like Figure 1 As shown, a wet hydrogen tooling for a stainless steel base plate, the stainless steel base plate 2 is provided with three groups of holes, and the three groups of holes have different radii. The wet hydrogen tooling 1 is provided in a one-to-one correspondence with the three groups of holes. The wet hydrogen tooling 1 is composed of a first cylinder 11 and a second cylinder 12 stacked up and down to form a combined block for engaging with the holes. The radius of the second cylinder 12 is 20 mm larger than that of the first cylinder 11. The bottom surface of the second cylinder 12 is provided with a groove 121 for engaging with the first cylinder 11 of the adjacent wet hydrogen tooling 1.

[0049] The convex surface of the stainless steel bottom plate 2 corresponding to each of the holes is provided with a platform for cooperating with the second cylinder 12;

[0050] The assembling method of the wet hydrogen tool 1 for the stainless steel bottom plate 2 comprises the following steps:

[0051] S1: according to the size of the three groups of holes of the stainless steel bottom plate 2, a first cylinder 11 of different specifications is processed;

[0052] S2: the stainless steel bottom plate 2 is sleeved on the first cylinder 11 of the wet hydrogen tool 1, the second cylinder 12 is sleeved on the platform of the stainless steel bottom plate 2, the sink groove 121 on the second cylinder 12 is sleeved with another group of first cylinders 11 of the wet hydrogen tool 1, and a plurality of groups of wet hydrogen tools 1 are stacked and assembled with a plurality of groups of stainless steel bottom plates 2;

[0053] S3: the assembled stainless steel bottom plate 2 and the wet hydrogen tool 1 are moved to a wet hydrogen atmosphere, heated to 900-1000 DEG C in the wet hydrogen atmosphere, and surface wet hydrogen treatment is performed;

[0054] The three holes of the stainless steel bottom plate 2 are stacked and supported by the first cylinder 11 and the second cylinder 12, which ensures the stability of the stainless steel bottom plate 2 and protects the working surface of the stainless steel bottom plate 2 from being affected during processing, and the plurality of wet hydrogen tools 1 are stacked and sleeved, which can be flexibly adjusted according to the number of each batch of products and the size of the furnace cavity, and the assembly is convenient.

[0055] The assembling method of the wet hydrogen tool 1 is as follows:

[0056] According to the size of the three groups of holes of the stainless steel bottom plate 2, the first cylinder 11 is processed, the stainless steel bottom plate 2 is sleeved on the first cylinder 11 of the wet hydrogen tool 1, the second cylinder 12 is sleeved on the platform of the stainless steel bottom plate 2, the sink groove 121 on the second cylinder 12 is sleeved with another group of first cylinders 11 of the wet hydrogen tool 1, and the repeated stacking and assembly is performed, and then the wet hydrogen process and the wet hydrogen post-curing treatment are performed.

[0057] Example 2

[0058] This embodiment is basically the same as example 1, and the difference is that, as shown in Figure 4 、 5 The wet hydrogen tool 1 is provided with a base 4 for placing the stainless steel bottom plate 2 and the wet hydrogen tool 1, the base 4 is a hollow shell, and the base 4 is provided with a bottom plate 42 and a driving assembly 5;

[0059] The top surface of the base 4 is provided with a recess 43 for placing the stainless steel bottom plate 2 and the wet hydrogen tool 1, the sidewall of the base 4 above the rotating ring 3 is provided with a push ring 44 for connecting an external push rod, the bottom plate 42 is provided with four groups of first springs 421 for damping, and the upper end of the first spring 421 is connected with the top surface of the base 4;

[0060] The side surface of the left and right sides of the bottom plate 42 is in sliding connection with the inner wall of the base 4, and the bottom plate 42 is provided with four groups of universal wheels 41 in rotational connection therewith;

[0061] As shown in Figure 6 , 7 , the driving assembly 5 comprises a first rotating shaft 51 and a second rotating shaft 53, the first rotating shaft 51 is arranged in parallel above the bottom plate 42, the second rotating shaft 53 is arranged vertically on the surface of the bottom plate 42, and the lower end of the second rotating shaft 53 penetrates through the bottom plate 42 and is in threaded connection with the bottom plate 42, the lower end of the second rotating shaft 53 is provided with a limiting plate, the upper end of the second rotating shaft 53 is in rotational connection with the top surface of the base 4, the right end of the first rotating shaft 51 is provided with a worm 513, and the second rotating shaft 53 is provided with a worm wheel 531 in meshing transmission with the worm 513;

[0062] The first rotating shaft 51 is in rotational connection with a connecting rod 511 provided on the top surface of the base 4, the left end of the first rotating shaft 51 is provided with a shaft rod 52 in detachable connection therewith, the left end of the shaft rod 52 penetrates through the base 4 and is provided with a knob 3, the left end of the first rotating shaft 51 is provided with a first connecting piece 512, and the right end of the shaft rod 52 is provided with a second connecting piece 521;

[0063] As shown in Figure 8 , 9 , the protruding block 5121 provided on the first connecting piece 512 is in clamping connection with the first recess 5211 provided on the second connecting piece 521;

[0064] The bottom plate 42 on one side of the universal wheel 41 is provided with a brake assembly 6, and the brake assembly 6 comprises an arc plate 61 and a fixed plate 64;

[0065] The left end of the arc plate 61 is provided with a flat plate 63 for blocking the universal wheel 41, the flat plate 63 is in sliding connection with the bottom plate 42, and the front end surface of the arc plate 61 is provided with a sliding rod 611;

[0066] As shown in Figure 10 , the fixed plate 64 is arranged obliquely on the inner wall of the base 4, and the fixed plate 64 is provided with a sliding groove 641 along the length direction thereof, which is in butt joint with the sliding rod 611 to move the flat plate 63 towards the universal wheel 41;

[0067] As shown in Figure 11 , 12 , 13, the second cylinder 12 corresponding to the side wall of the sink 121 is provided with an annular cavity in the inside thereof, the annular cavity is provided with a locking assembly 7, and the locking assembly 7 comprises a threaded rod 72;

[0068] The threaded rod 72 is arranged in the annular cavity along the vertical direction. The upper end of the threaded rod 72 passes through the top surface of the second cylinder 12 and is provided with a pressure block 71. The lower end of the threaded rod 72 is provided with a locking block 73 threadedly connected thereto. The threaded rod 72 is slidably connected to the second cylinder 12 and rotationally limited. The top surface of the second cylinder 12 is provided with a second groove for the pressure block 71 to move and extend into. A first support plate for supporting the locking block 73 is provided in the annular cavity, and the locking block 73 is rotatably connected to the first support plate;

[0069] like Figure 14 As shown, a second support plate is provided in the annular cavity above the locking block 73, and the first support plate and the second support plate are provided with a first opening for the threaded rod 72 to pass through. A second spring 74 is sleeved on the threaded rod 72 located between the pressure block 71 and the second support plate. A second opening for the locking block 73 to rotate and extend into the sinking groove 121 is provided on the inner wall of the sinking groove 121 located at the locking block 73. The first cylinder 11 is provided with a third groove that cooperates with the locking block 73. The locking assembly 7 is symmetrically provided with two groups with the sinking groove 121 as the symmetry axis.

[0070] The present invention provides a base 4 to facilitate the movement of the stainless steel base plate 2 and the wet hydrogen tooling 1. At the same time, the universal wheel 41 on the base 4 can be retracted or extended from the base 4. When the universal wheel 41 rises and falls, the brake assembly 6 will hinder the movement of the universal wheel 41, and it will no longer move when parked. A locking assembly 7 is provided. When assembled with the stainless steel base plate 2, the first cylinder 11 in the adjacent wet hydrogen tooling 1 can be locked to ensure that the assembly of adjacent wet hydrogen tooling 1 is more stable and reduce the shaking of the wet hydrogen tooling 1. Components such as the drive assembly 5, the brake assembly 6 and the locking assembly 7 are all coated with ultra-high temperature resistant and high-performance thermal insulation coating GLT990.

[0071] The method of operating the above base 4 is as follows:

[0072] After the stainless steel bottom plate 2 and the wet hydrogen tooling 1 are assembled, they are placed on the base 4. The shaft 52 is clamped to the first rotating shaft 51 through the first connecting piece 512 and the second connecting piece 521. The knob 3 is turned forward, and the shaft 52 is rotated, driving the first rotating shaft 51 to rotate. The worm 513 on the first rotating shaft 51 rotates accordingly, and the worm 513 drives the worm gear 531 engaged with the gear to rotate. The worm gear 531 drives the second rotating shaft 53 to rotate. The bottom plate 42 cooperates with the second rotating shaft 53 connected with the thread, moves downward and extends out of the base 4, pushing the base 4 to move to the corresponding position. The same as the above principle, the knob 3 is turned backward, and the universal wheel 41 retracts into the base 4. At the same time, the sliding rod 611 moves to the left along the sliding groove 641 as the bottom plate 42 rises. The flat plate 63 and the arc plate 61 contact the universal wheel 41, preventing the universal wheel 41 from moving.

[0073] The operation method of the locking component 7 is as follows:

[0074] Then, put the stainless steel bottom plate 2 on the wet hydrogen tooling 1, as shown in the following figure: Figure 15 As shown, when the stainless steel base plate 2 is assembled on the second cylinder 12, the pressure block 71 will be pressed to move downward into the second groove, driving the threaded rod 72 to move downward, compressing the second spring 74, and the locking block 73 threadedly connected to the threaded rod 72 rotates on the second support plate, extends into the first opening, and is clamped and locked with the third groove provided on the first cylinder 11 in the adjacent wet hydrogen tooling 1. When the stainless steel base plate 2 is removed from the wet hydrogen tooling 1, the second spring 74 rebounds, and the pressure block 71, threaded rod 72 and locking block 73 are reset.

Claims

1. A wet hydrogen tooling for a stainless steel base plate, said stainless steel base plate (2) being provided with a plurality of groups of holes, characterized in that, The wet hydrogen tool (1) is provided in one-to-one correspondence with a plurality of groups of holes. The wet hydrogen tool (1) is composed of a combined block formed by stacking a first cylinder (11) for clamping with a hole and a second cylinder (12) in a top-to-bottom manner. The radius of the second cylinder (12) is greater than that of the first cylinder (11). The bottom surface of the second cylinder (12) is provided with a sink (121) for clamping with the first cylinder (11) of an adjacent wet hydrogen tool (1); A convex surface of a stainless steel bottom plate (2) located at a position corresponding to each hole is provided with a platform for placing the second cylinder (12) in cooperation; The stainless steel bottom plate (2) is provided with three groups of holes, and the radii of the three groups of holes are different; The wet hydrogen tool (1) is provided with a base (4) for placing the stainless steel bottom plate (2) and the wet hydrogen tool (1). The base (4) is a hollow shell. The base (4) is provided with a bottom plate (42) and a driving assembly (5) inside; The two side surfaces of the bottom plate (42) are slidably connected to the inner wall of the base (4). The bottom plate (42) is provided with four universal wheels (41) rotatably connected thereto; The driving assembly (5) includes a first rotating shaft (51) and a second rotating shaft (53). The first rotating shaft (51) is arranged in parallel above the bottom plate (42). The second rotating shaft (53) is arranged vertically on the surface of the bottom plate (42). One end of the second rotating shaft (53) penetrates the bottom plate (42) and is threadedly connected to the bottom plate (42). The other end of the second rotating shaft (53) is provided with a limiting plate. The other end of the second rotating shaft (53) is rotatably connected to the top surface of the base (4). One end of the first rotating shaft (51) is provided with a worm (513). The second rotating shaft (53) is provided with a worm wheel (531) engaged with the worm (513) for transmission. The first rotating shaft (51) is rotatably connected to the connecting rod (511) provided on the top surface of the base (4). The other end of the first rotating shaft (51) is provided with a shaft rod (52) detachably connected thereto. One end of the shaft rod (52) penetrates the base (4) and is provided with a knob (3); A brake assembly (6) is arranged on the bottom plate (42) on one side of the universal wheel (41). The brake assembly (6) includes an arc plate (61) and a fixed plate (64). One end of the arc plate (61) is provided with a flat plate (63) for blocking the universal wheel (41). The flat plate (63) is slidably connected to the bottom plate (42). One side of the arc plate (61) is provided with a sliding rod (611). The fixed plate (64) is arranged obliquely on the inner wall of the base (4). The fixed plate (64) is provided with a sliding groove (641) along its length direction, which is in abutment with the sliding rod (611) to move the flat plate (63) towards the universal wheel (41). The other end of the first rotating shaft (51) is provided with a first connecting piece (512). The other end of the shaft rod (52) is provided with a second connecting piece (521). The protrusion (5121) provided on the first connecting piece (512) is clamped in cooperation with the first recess (5211) provided on the second connecting piece (521). The top surface of the base (4) is provided with a recess (43) for placing the stainless steel bottom plate (2) and the wet hydrogen tooling (1), the sidewall of the base (4) above the rotating ring is provided with a pushing ring (44) for connecting with a pushing rod, the bottom plate (42) is provided with four groups of first springs (421) for damping, the upper end of the first spring (421) is connected with the top surface of the base (4); The second cylinder (12) corresponding to the sidewall of the sink (121) is provided with an annular cavity, and the annular cavity is provided with a locking assembly (7), and the locking assembly (7) comprises a threaded rod (72); The threaded rod (72) is arranged in the annular cavity in the vertical direction, the upper end of the threaded rod (72) penetrates the top surface of the second cylinder (12) and is provided with a pressing block (71), the lower end of the threaded rod (72) is provided with a locking block (73) threadedly connected therewith, the threaded rod (72) is in sliding connection with the second cylinder (12) and is rotationally limited, the top surface of the second cylinder (12) is provided with a second groove for the pressing block (71) to move into, the annular cavity is provided with a first supporting plate for supporting the locking block (73), and the locking block (73) is in rotational connection with the first supporting plate; The annular cavity above the locking block (73) is provided with a second supporting plate, the first supporting plate and the second supporting plate are provided with a first opening for the threaded rod (72) to pass through, the second spring (74) is sleeved on the threaded rod (72) between the pressing block (71) and the second supporting plate, the second opening for the locking block (73) to rotationally extend into the sink (121) is arranged on the inner wall of the sink (121) at the locking block (73), and the first cylinder (11) is provided with a third groove matched with the locking block (73) for clamping.

2. The wet hydrogen tooling for stainless steel base plate of claim 1, wherein, The locking assembly (7) is centrally symmetric with respect to the center of the second cylinder (12) and is provided with two groups.

3. A method for assembling a stainless steel base plate using the wet hydrogen tooling according to any one of claims 1 to 2, characterized in that, The method comprises the following steps: S1: different specifications of the first cylinder (11) are processed according to the size of the three groups of holes of the stainless steel bottom plate (2); S2: the stainless steel bottom plate (2) is sleeved on the first cylinder (11) of the wet hydrogen tooling (1), the second cylinder (12) is sleeved with the platform on the stainless steel bottom plate (2), the sink (121) on the second cylinder (12) is sleeved with another group of first cylinders (11) of the wet hydrogen tooling (1), and a plurality of groups of wet hydrogen toolings (1) and a plurality of groups of stainless steel bottom plates (2) are stacked and assembled; S3: the assembled stainless steel bottom plate (2) and wet hydrogen tooling (1) are placed on the base (4), moved into a wet hydrogen atmosphere, heated to 900-1000℃ in the wet hydrogen atmosphere, and subjected to surface wet hydrogen treatment.

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