Sterilizing stainless steel composite pipe forming die

By combining the design of sealing plates, protective covers, and limiting workpieces, the problem of easy wear of steel pipe sealing structures is solved, achieving safe sealing and efficient disassembly and assembly under high pressure and high temperature environments, thus improving the reliability and production efficiency of the equipment.

CN223814953UActive Publication Date: 2026-01-20HEBEI COBETE PIPELINE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520430016.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-20
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

In existing technologies, steel pipe sealing structures are prone to thread wear due to frequent tightening, which may lead to stripping, affecting sealing performance and causing abnormal system operation, especially posing safety hazards under high pressure and high temperature environments.

Method used

The design incorporates a sealing plate, a protective cover, a first fixing block, and a limiting workpiece, which facilitates sealing of both ends of the steel pipe, ensuring effective isolation and preventing media leakage. At the same time, the combination of springs and limiting blocks facilitates the assembly and disassembly of the mold, improving installation and disassembly efficiency.

Benefits of technology

It effectively prevents media leakage under high pressure and high temperature conditions, ensures safe operation of equipment, improves operating efficiency and safety, reduces maintenance difficulty and cost, extends mold service life, and enhances mold flexibility and versatility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steel pipe sterilization, and discloses a sterilization stainless steel composite pipe forming die which comprises a supporting table and a hearth, a sliding groove is formed in the supporting table, an installation plate is movably installed in the sliding groove, and a fixing support is fixedly installed at the top of the installation plate. A limiting plate is fixedly mounted at the top of the fixing support, a partition plate is fixedly mounted in the limiting plate, a steel pipe is welded to the outer surface of the partition plate, and a first fixing block is fixedly mounted on the outer side of the limiting plate. Compared with a traditional die, through cooperation of the sealing plate, the protective cover, the first fixing block and the limiting workpiece, the two ends of the steel pipe can be conveniently sealed, meanwhile, it is ensured that the two ends of the steel pipe are effectively isolated from the surrounding environment, leakage of internal media is effectively prevented, and the service life of the steel pipe is prolonged. Therefore, continuous and normal operation of equipment is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe sterilization technical field more specifically, the utility model relates to a kind of sterilization stainless steel composite pipe forming die. BACKGROUND

[0002] The sterilization stainless steel composite pipe forming die is a special tool designed for producing antibacterial stainless steel composite pipes. It is made of high-strength, corrosion-resistant materials to ensure stable performance in long-term use and high-temperature and high-pressure environments. The mold structure is delicate, including key components such as the cavity, sprue, and cooling system, precisely meeting the needs of composite pipe forming. During the forming process, the mold finely controls the perfect fusion of stainless steel and antibacterial materials, ensuring accurate pipe size, smooth surface, and excellent antibacterial performance. More notably, the mold uses advanced antibacterial treatment technologies, such as molecular assembly technology, to evenly distribute the antibacterial agent on the inner wall of the pipe, forming a strong and uniform antibacterial layer that effectively inhibits bacterial growth and significantly improves pipe hygiene standards. SUMMARY

[0003] To overcome the shortcomings of the prior art, the utility model provides a sterilization stainless steel composite pipe forming die, which has the advantage of easily sealing both ends of the steel pipe.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sterilization stainless steel composite pipe forming die, comprising a support table and a hearth, a sliding slot is formed in the inside of the support table, a mounting plate is movably installed in the inside of the sliding slot, a fixed support is fixedly installed on the top of the mounting plate, a limiting plate is fixedly installed on the top of the fixed support, a partition plate is fixedly installed in the inside of the limiting plate, a steel pipe is welded to the outer surface of the partition plate, a first fixed block is fixedly installed on the outside of the limiting plate;

[0005] A second limiting groove is formed in the inside of the limiting plate, a sealing plate is movably installed in the inside of the second limiting groove, a protective cover is fixedly installed on the right side of the sealing plate, a second fixed block is fixedly installed on the outside of the protective cover, a limiting workpiece is fixedly installed on the outer surface of the second fixed block, and a pressure stabilizing valve is fixedly installed on the right side of the protective cover.

[0006] As an optimal technical scheme of the utility model, the front surface of the mounting plate is fixedly installed with a connecting block, one end of the connecting block is fixedly installed with a limiting block, the bottom of the support table is provided with a first limiting groove, and the inner diameter value of the first limiting groove is greater than the diameter value of the limiting block.

[0007] As an optimal technical scheme of the utility model, the inside of the support table is provided with a fixing groove, the inside of the fixing groove is movably installed with a third fixing block, and the right side of the third fixing block is fixedly installed with a tool box.

[0008] As an optimal technical scheme of the utility model, the inner diameter value of the fixing groove is equal to the outer diameter value of the third fixing block, and the inside of the fixing groove is a smooth surface.

[0009] As an optimal technical scheme of the utility model, the springs are in the inside of the support table and are all made of stainless steel.

[0010] As an optimal technical scheme of the utility model, the bottom of the support table is fixedly installed with a stand column around, and the bottom of the stand column is hingedly connected with a universal wheel.

[0011] As an optimal technical scheme of the utility model, the connecting block and the limiting block are in pairs, and four groups are fixed on the front surface of the mounting plate.

[0012] As an optimal technical scheme of the utility model, the right side of the support table is fixedly installed with a push rod, and the push rod is in the shape of L.

[0013] As an optimal technical scheme of the utility model, the limiting block and the limiting block are in pairs, and four groups are fixed on the outside of the protective cover.

[0014] As an optimal technical scheme of the utility model, the front surface of the mounting plate is fixedly installed with a pull rod, and the pull rod is in the shape of U.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1. The utility model discloses a sealing device for steel pipes, which comprises a sealing plate, a protective cover, a first fixing block and a limiting workpiece.

[0017] 2. The utility model discloses a mold, which is convenient to disassemble and assemble through the cooperation of a spring, a limiting block and a first limiting groove. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Figure 1 is a front perspective view of the utility model.

[0019] Figure 2 Figure 2 is a top perspective view of the utility model.

[0020] Figure 3 Figure 3 is a cross-sectional view of the support plate of the utility model.

[0021] Figure 4 Figure 4 is a cross-sectional view of the mounting plate of the utility model.

[0022] Figure 5 Figure 5 is a cross-sectional view of the fixing bracket of the utility model.

[0023] In the figure: 1, support platform; 2, hearth; 3, steel pipe; 4, partition; 5, limiting plate; 6, stand; 7, universal wheel; 8, mounting plate; 9, protective cover; 10, pressure stabilizing valve; 11, fixed support; 12, first fixed block; 13, sealing plate; 14, limiting workpiece; 15, second fixed block; 16, first limiting groove; 17, fixed groove; 18, third fixed block; 19, tool box; 20, second limiting groove; 21, pull rod; 22, sliding groove; 23, spring; 24, connecting block; 25, limiting block; 26, push rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] As Figures 1 to 5 shown, the utility model provides a kind of sterilization stainless steel composite pipe forming die, including support platform 1 and hearth 2, the inside of support platform 1 is equipped with sliding groove 22, sliding groove 22 is movably installed with mounting plate 8, the top of mounting plate 8 is fixedly installed with fixed support 11, the top of fixed support 11 is fixedly installed with limiting plate 5, the inside of limiting plate 5 is fixedly installed with partition 4, the outer surface of partition 4 is welded with steel pipe 3, the outside of limiting plate 5 is fixedly installed with first fixed block 12;

[0026] The inside of limiting plate 5 is equipped with second limiting groove 20, second limiting groove 20 is movably installed with sealing plate 13, the right side of sealing plate 13 is fixedly installed with protective cover 9, the outside of protective cover 9 is fixedly installed with second fixed block 15, the outer surface of second fixed block 15 is fixedly installed with limiting workpiece 14, the right side of protective cover 9 is fixedly installed with pressure stabilizing valve 10.

[0027] The worker sequentially passes the steel pipe 3 through the inside of the partition plate 4 and the limiting plate 5, then welds the steel pipe 3, the partition plate 4 and the limiting plate 5, and then needs to seal the two ends of the steel pipe 3, holds the protective cover 9 by hand, slowly aligns the second limiting groove 20 in the inside of the limiting plate 5 through the left sealing plate 13 of the protective cover 9, and then pushes the sealing plate 13 into the inside of the second limiting groove 20, now rotates the limiting workpiece 14 on the outer surface of the second fixed block 15 by hand, slowly moves the limiting workpiece 14 into the inside of the first fixed block 12, and through the cooperation between the first fixed block 12 and the limiting workpiece 14, quickly limits and fixes the protective cover 9, completes the sealing of the two ends of the steel pipe 3, at this time, the inside of the steel pipe 3 is ventilated, now the inside of the steel pipe 3 is pressurized through the pressure stabilizing valve 10, needs to control the pressurization range at 0.8-1.2 Mpa, then pushes the steel pipe 3 into the inside of the hearth 2, at the same time, the outer surface of the steel pipe 3 forms high temperature and the inside forms high pressure, so that high temperature and high pressure are formed to sterilize the steel pipe 3, when the treatment of the steel pipe 3 is completed, the part welded between the steel pipe 3 and the partition plate 4 is cut for about 5 cm in length, only the effective part in the middle is reserved, at this time, the partition plate can be conveniently replaced for the next operation.

[0028] By sequentially passing the component steel pipe 3 through the inside of the component partition plate 4 and the component limiting plate 5, then firmly connecting the steel pipe 3, the partition plate 4 and the limiting plate 5 through welding technology, and then sealing the two ends of the steel pipe 3. When operating, hold the protective cover 9 by hand, slowly align and push the positioning hole second limiting groove 20 in the inside of the component limiting plate 5 through the left guiding component sealing plate 13 of the protective cover 9, rotate the rotating component limiting workpiece 14 on the outer surface of the fixed component second fixed block 15 by hand, slowly move the limiting workpiece 14 into the inside of the locking position first fixed block 12, through the precise cooperation between the first fixed block 12 and the limiting workpiece 14, quickly limit and fix the protective cover 9, so as to complete the sealing of the two ends of the steel pipe 3. Compared with the traditional mold, through the cooperation between the sealing plate 13, the protective cover 9, the first fixed block 12 and the limiting workpiece 14, the two ends of the steel pipe 3 are conveniently sealed, at the same time, the effective isolation of the two ends of the steel pipe 3 from the surrounding environment is ensured, the leakage of the internal medium is effectively prevented, so as to guarantee the continuous and normal operation of the equipment. Especially under extreme conditions such as high pressure and high temperature, the sealing performance is crucial, it can prevent the leakage of medium from causing safety accidents, and comprehensively protect the safety of personnel and equipment. In addition, the sealing treatment also provides convenience for subsequent process steps such as pressure test and sterilization treatment, etc., which can be carried out in a relatively closed environment, improving the efficiency and safety of operation. At the same time, this design also facilitates the quick and safe replacement of the partition plate and other components when necessary, reduces the difficulty and cost of maintenance, and improves the reliability and flexibility of the overall equipment.

[0029] The front surface of the mounting plate 8 is fixedly installed with a connecting block 24, one end of the connecting block 24 is fixedly installed with a limiting block 25, the bottom of the support table 1 is provided with a first limiting groove 16, and the inner diameter value of the first limiting groove 16 is greater than the diameter value of the limiting block 25.

[0030] The worker needs to disassemble and assemble the top fixed support 11 and the limiting plate 5 of the support table 1, holds the pull rod 21 by hand, drives the mounting plate 8 to extrude the spring 23 in the sliding groove 22 through the pull rod 21, so that the limiting block 25 is dislocated with the first limiting groove 16, then moves the connecting block 24, so that the limiting block 25 is separated from the inside of the first limiting groove 16, then holds the pull rod 21 by hand, slowly removes the mounting plate 8 from the inside of the sliding groove 22 through the pull rod 21, and slowly moves the fixed support 11 and the limiting plate 5 out of the top of the support table 1 through the mounting plate 8.

[0031] The worker needs to disassemble and assemble the top fixed support 11 and the limiting plate 5 of the support table 1, holds the pull rod 21 by hand, drives the mounting plate 8 to extrude the spring 23 in the sliding groove 22 through the pull rod 21, so that the limiting block 25 is dislocated with the first limiting groove 16, then moves the connecting block 24, so that the limiting block 25 is separated from the inside of the first limiting groove 16, then holds the pull rod 21 by hand, slowly removes the mounting plate 8 from the inside of the sliding groove 22 through the pull rod 21, and slowly moves the fixed support 11 and the limiting plate 5 out of the top of the support table 1, compared with the traditional mold, the mold is convenient to disassemble and assemble through the cooperation between the spring 23, the limiting block 25 and the first limiting groove 16, can significantly shorten the installation and disassembly time of the mold, improve the production efficiency, especially suitable for large-scale and continuous production environment, secondly, the easily disassembled fixed support 11 reduces the mold maintenance cost and reduces the damage risk caused by disassembly, at the same time, it is convenient for cleaning and inspection, and the mold precision is maintained, in addition, this design enhances the flexibility and versatility of the mold, which is convenient for different production needs, finally, the easily disassembled support simplifies the maintenance and replacement process, reduces the production interruption, is beneficial to periodic inspection and preventive maintenance, thereby prolonging the service life of the mold. These advantages together improve the stability and efficiency of the production line.

[0032] The inside of the support table 1 is provided with a fixed groove 17, the inside of the fixed groove 17 movably installs a third fixed block 18, the right side of the third fixed block 18 is fixedly installed with a tool box 19.

[0033] By holding the tool box 19, the third fixed block 18 is slowly put into the inside of the fixed groove 17 through the tool box 19, the third fixed block 18 is fixed through the fixed groove 17, and the tool box 19 is increased, which is convenient for workers to take and place maintenance tools in the inside of the tool box 19.

[0034] The inner diameter of the fixed groove 17 is equal to the outer diameter of the third fixed block 18, and the inside of the fixed groove 17 is smooth.

[0035] Since the inner diameter of the fixed groove 17 is equal to the outer diameter of the third fixed block 18, and the inside of the fixed groove 17 is smooth, the third fixed block 18 is slowly put into the inside of the fixed groove 17 by holding the tool box 19, which improves the installation efficiency of the tool box 19.

[0036] The spring 23 is in the inside of the support table 1, and the spring 23 is made of stainless steel.

[0037] Since the spring 23 is made of stainless steel in the inside of the support table 1, and the spring 23 is made of stainless steel, it has strong corrosion resistance, is convenient for long-term use, and ensures the stability of the spring 23 during use.

[0038] The bottom of the support table 1 is fixedly installed with a column 6, and the bottom of the column 6 is hingedly connected with a universal wheel 7.

[0039] Through the cooperation between the column 6 and the universal wheel 7, the worker can conveniently enter the inside of the furnace 2 with the steel pipe 3, and through the opening of the furnace 2, the steel pipe 3 is sterilized through the furnace 2, which improves the sterilization efficiency.

[0040] The connecting block 24 and the limiting block 25 are in pairs, and four groups are fixed on the front surface of the mounting plate 8.

[0041] Since the connecting block 24 and the limiting block 25 are in pairs, and four groups are fixed on the front surface of the mounting plate 8, through the cooperation between the connecting block 24 and the limiting block 25, the inside of the mounting plate 8 in the inside of the support table 1 is convenient, and the stability of the mounting plate 8 during use is ensured.

[0042] The right side of the support table 1 is fixedly installed with a push rod 26, and the push rod 26 is in the shape of L.

[0043] Since the push rod 26 is in the shape of L on the right side of the support table 1, the L-shaped push rod 26 structure can better disperse stress and reduce the risk of structural damage caused by concentrated stress.

[0044] The limiting workpieces 14 and the limiting blocks 25 are in pairs, and there are four pairs on the outer side of the protective cover 9.

[0045] Since the limiting workpieces 14 and the limiting blocks 25 are in pairs, and there are four pairs on the outer side of the protective cover 9, the protective cover 9 is facilitated to be installed on the outer surface of the limiting plate 5 through the cooperation between the limiting workpieces 14 and the limiting blocks 25, and the stability during the processing of the partition plate 4 is ensured.

[0046] The front surface of the mounting plate 8 is fixedly provided with a pull rod 21, and the pull rod 21 has a U-shaped shape.

[0047] Since the pull rod 21 has a U-shaped shape on the front surface of the mounting plate 8, and the U-shaped pull rod 21 is ergonomic, the staff is facilitated to hold the pull rod 21 and slowly push the mounting plate 8 into the inside of the support table 1, and the installation efficiency of the mounting plate 8 is ensured.

[0048] The working principle and the use process of the utility model are as follows:

[0049] The staff sequentially passes the steel pipe 3 through the inside of the partition plate 4 and the limiting plate 5, then welds the steel pipe 3, the partition plate 4 and the limiting plate 5, then needs to seal the two ends of the steel pipe 3, holds the protective cover 9, slowly aligns the second limiting groove 20 in the inside of the limiting plate 5 through the left sealing plate 13 of the protective cover 9, then pushes the sealing plate 13 into the inside of the second limiting groove 20, now rotates the limiting workpiece 14 on the outer surface of the second fixed block 15, slowly moves the limiting workpiece 14 into the inside of the first fixed block 12, facilitates to quickly limit and fix the protective cover 9 through the cooperation between the first fixed block 12 and the limiting workpiece 14, completes the sealing of the two ends of the steel pipe 3, at this time, ventilates the inner wall of the steel pipe 3, now pressurizes the inside of the steel pipe 3 through the steady pressure valve 10, needs to control the pressurization range at 0.8-1.2Mpa, then pushes the steel pipe 3 into the inside of the hearth 2, at the same time, the outer surface of the steel pipe 3 forms high temperature, and the inside forms high pressure, so that high temperature and high pressure are formed to sterilize the steel pipe 3, when the processing of the steel pipe 3 is completed, cuts the part welded between the steel pipe 3 and the partition plate 4 about 5 centimeters long, only keeps the effective part in the middle, at this time, the partition plate can be conveniently replaced, so as to carry out the next round of operation.

[0050] The worker needs to disassemble and assemble the top fixing support 11 and the limiting plate 5 of the support table 1, hold the pull rod 21 by hand, extrude the spring 23 in the sliding groove 22 through the pull rod 21, make the limiting block 25 dislocate with the first limiting groove 16, then move the connecting block 24, make the limiting block 25 disengage from the inside of the first limiting groove 16, then hold the pull rod 21 by hand, slowly remove the installation plate 8 from the inside of the sliding groove 22 through the pull rod 21, slowly move the fixing support 11 and the limiting plate 5 out of the top of the support table 1 through the installation plate 8, when it is needed to install the fixing support 11 into the inside of the support table 1, hold the pull rod 21 by hand, push the installation plate 8 into the inside of the sliding groove 22 through the pull rod 21, move the fixing support 11, the limiting plate 5 and the connecting block 24 through the installation plate 8, extrude the spring 23 in the sliding groove 22 through the installation plate 8, make the limiting block 25 quickly enter the inside of the first limiting groove 16, thereby complete the disassembly and assembly of the fixing support 11.

[0051] The working principle of the device is that the symmetrical and detachable partition plates are installed on the trolley in the furnace, small holes matching or slightly larger than the outer diameter of the stainless steel pipe are opened on the partition plates, the steel pipes pass through the small holes and are symmetrically distributed, the surface of the steel pipe 3 is sealed and connected with the small holes by welding, the protective cover outside the partition plate 4 is connected with the openings at both ends of the steel pipe and is tightly abutted with the outside of the partition plate to form a sealed structure, so that the steel pipe inner wall is ventilated, and the internal gas pressure is maintained between 0.8 and 1.2 Mpa. At the same time, the bottom electric heating wire heats the furnace to create a high-temperature and high-pressure environment. After the treatment is completed, the part welded between the steel pipe and the partition plate about 5 cm long is cut, and only the effective part in the middle is reserved. At this time, the partition plate can be conveniently replaced for the next operation

[0052] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0053] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0054] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mold for forming sterilized stainless steel composite pipes, comprising a support platform (1) and a furnace chamber (2), characterized in that: The support platform (1) has a sliding groove (22) inside, and an installation plate (8) is movably installed inside the sliding groove (22). A fixed bracket (11) is fixedly installed on the top of the installation plate (8). A limit plate (5) is fixedly installed on the top of the fixed bracket (11). A partition (4) is fixedly installed inside the limit plate (5). A steel pipe (3) is welded to the outer surface of the partition (4). A first fixing block (12) is fixedly installed on the outer side of the limit plate (5). The limiting plate (5) has a second limiting groove (20) inside, and a sealing plate (13) is movably installed inside the second limiting groove (20). A protective cover (9) is fixedly installed on the right side of the sealing plate (13), and a second fixing block (15) is fixedly installed on the outside of the protective cover (9). A limiting workpiece (14) is fixedly installed on the outer surface of the second fixing block (15), and a pressure stabilizing valve (10) is fixedly installed on the right side of the protective cover (9).

2. The sterilizing stainless steel composite pipe forming mold according to claim 1, characterized in that: A connecting block (24) is fixedly installed on the front of the mounting plate (8). A limiting block (25) is fixedly installed at one end of the connecting block (24). A first limiting groove (16) is opened at the bottom of the support platform (1), and the inner diameter of the first limiting groove (16) is greater than the diameter of the limiting block (25). A spring (23) is fixedly installed inside the support platform (1), and the spring (23) is in the form of a linear array.

3. The mold for forming a sterilizing stainless steel composite pipe according to claim 1, characterized in that: The support platform (1) has a fixing groove (17) inside, and a third fixing block (18) is movably installed inside the fixing groove (17). A toolbox (19) is fixedly installed on the right side of the third fixing block (18).

4. The sterilizing stainless steel composite pipe forming mold according to claim 3, characterized in that: The inner diameter of the fixing groove (17) is equal to the outer diameter of the third fixing block (18), and the inside of the fixing groove (17) is smooth.

5. The sterilizing stainless steel composite pipe forming mold according to claim 2, characterized in that: The springs (23) are four identical shapes inside the support platform (1), and all springs (23) are made of stainless steel.

6. The mold for forming a sterilizing stainless steel composite pipe according to claim 1, characterized in that: The support platform (1) has columns (6) fixedly installed around its bottom, and the bottom of the columns (6) is hinged with casters (7).

7. The sterilizing stainless steel composite pipe forming mold according to claim 2, characterized in that: The connecting block (24) and the limiting block (25) are in pairs, and there are four sets in total, which are fixed on the front of the mounting plate (8).

8. The sterilizing stainless steel composite pipe forming mold according to claim 1, characterized in that: A push rod (26) is fixedly installed on the right side of the support platform (1), and the push rod (26) is L-shaped.

9. The sterilizing stainless steel composite pipe forming mold according to claim 1, characterized in that: The limiting workpiece (14) and the limiting block (25) are arranged in pairs, with a total of four pairs on the outside of the protective cover (9).

10. The sterilizing stainless steel composite pipe forming mold according to claim 2, characterized in that: A pull rod (21) is fixedly installed on the front of the mounting plate (8), and the pull rod (21) is U-shaped.