Large-diameter corrugated pipe sealing ring forming process

Abstract

The invention relates to the technical field of corrugated pipe machining, and discloses a large-diameter corrugated pipe sealing ring forming process which comprises the following steps: adjusting the distance between two corresponding corrugated pipe supporting rollers of a first supporting roller frame and a second supporting roller frame in corrugated pipe supporting roller frames according to a preset distance adjusting strategy; a die head fixedly arranged on a discharging port in the sealing ring extrusion molding mechanism is aligned to the to-be-machined position of the large-diameter corrugated pipe, a discharging through hole is formed in the die head in the direction of the discharging port, and a vertical flow guide groove communicated with the discharging through hole is formed in the die head; the corrugated pipe heating mechanism is also aligned to the to-be-machined position corresponding to the to-be-machined large-diameter corrugated pipe; a first motor on a first supporting roller frame is started, and one corrugated pipe supporting roller is driven to rotate; and the sealing ring extrusion molding mechanism and the corrugated pipe heating mechanism are started, and in the rotating process of the large-diameter corrugated pipe, the to-be-machined position is sequentially heated by the corrugated pipe heating mechanism, and sealing materials are adhered to the to-be-machined position by the sealing ring extrusion molding mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of bellows processing, and in particular to a large-diameter bellows sealing ring forming process. Background Art

[0002] In the field of industrial manufacturing, especially in the construction of pipeline systems, large-diameter bellows, as key components, play an indispensable role in the petroleum, chemical, navigation and aerospace industries due to their excellent flexibility, corrosion resistance and pressure-bearing performance. Given the fact that they need to be frequently spliced ​​in practical applications, the challenge of ensuring good sealing between large-diameter bellows is becoming increasingly prominent.

[0003] Traditional solutions usually rely on adding additional sealing rings and special fixings to achieve sealing. Although this solution has certain effects, it also exposes several limitations:

[0004] 1. The use of additional sealing rings and fixings undoubtedly increases the difficulty of assembly, prolongs the production timeline, and inevitably increases the overall manufacturing cost.

[0005] 2. Such sealing rings locked by fixings may encounter stress concentration during long-term service, which may lead to structural distortion or even failure, seriously weakening the sealing performance and service life of large-diameter bellows.

[0006] Based on this, there is an urgent need for a large-diameter bellows sealing ring molding process that can firmly bond the sealing ring to the surface of the large-diameter bellows during the production process, thereby realizing the integration of the large-diameter bellows and the sealing ring, thereby solving the problems of cumbersome assembly, heavy economic burden and shortened life derived from reliance on fixing devices under the current technical framework. Summary of the invention

[0007] One of the purposes of the present invention is to provide a large-diameter bellows sealing ring forming process, which can firmly bond the sealing ring to the surface of the large-diameter bellows during the production process, thereby realizing the integration of the large-diameter bellows and the sealing ring, thereby solving the problems of cumbersome assembly, heavy economic burden and shortened life derived from reliance on fixing devices under the current technical framework.

[0008] In order to achieve the above object, a large-diameter bellows sealing ring forming process is provided, comprising the following steps:

[0009] S1. Determine the diameter value of the large-diameter corrugated pipe to be processed;

[0010] S2. According to the determined caliber value of the large-caliber corrugated pipe to be processed, the first support roller frame and the second support roller frame in the adjustable-spacing corrugated pipe support roller frame are respectively adjusted according to a preset spacing adjustment strategy for the spacing between the two corresponding corrugated pipe support rollers;

[0011] S3, after adjusting the spacing between the two corrugated pipe support rollers corresponding to the first support roller frame and the second support roller frame respectively, the two ends of the large-diameter corrugated pipe to be processed are horizontally placed on the two corrugated pipe support rollers of the first support roller frame and the two corrugated pipe support rollers of the second support roller frame respectively;

[0012] S4, aligning the die head fixedly arranged on the discharge port of the sealing ring extrusion mechanism in the sealing ring extrusion molding machine with the processing position corresponding to the large-diameter corrugated pipe to be processed, the die head is provided with a corresponding discharge through hole along the direction of the discharge port, and the die head is provided with a vertical guide groove connected with the discharge through hole;

[0013] S5, aligning the bellows heating mechanism in the sealing ring extrusion molding machine with the processing position corresponding to the large-diameter bellows to be processed;

[0014] S6, starting the first motor on the first supporting roller frame to drive one of the bellows supporting rollers on the first supporting roller frame to rotate;

[0015] S7, starting the sealing ring extrusion mechanism and the bellows heating mechanism, when the large-diameter bellows to be processed is rotating, the processing position is heated by the bellows heating mechanism and the sealing material is adhered by the sealing ring extrusion mechanism in turn;

[0016] The sealing ring extrusion mechanism performs the sealing material adhesion, which comprises the following steps:

[0017] The sealing ring extrusion mechanism heats the sealing material and extrudes it through the discharge port and the discharge through hole and adheres it to the position to be processed;

[0018] As the large-diameter corrugated pipe to be processed rotates, the sealing material with the same shape as the discharge hole will be squeezed by the vertical guide groove, so that the sealing material changes from the same shape as the discharge hole to the same shape as the vertical guide groove and the bubbles in the sealing material are removed.

[0019] Technical principles and effects of this scheme: In this scheme, by measuring the diameter of the large-diameter corrugated pipe to be processed, the first support roller frame and the second support roller frame in the corrugated pipe support roller frame with adjustable spacing are respectively adjusted according to the preset spacing adjustment strategy to adjust the spacing of the two corresponding corrugated pipe support rollers to ensure that the corrugated pipe maintains a stable position during the processing, which is the basis of the entire process.

[0020] The die head and bellows heating mechanism of the sealing ring extrusion molding machine are accurately aligned with the processing position. This step ensures that the subsequent heating and extrusion operations can be accurately applied to the required area.

[0021] The first support roller frame is used to rotate to drive the bellows, and the sealing ring extrusion mechanism and the bellows heating mechanism are turned on. In this way, during the rotation of the bellows, each position to be processed will be heated and extruded in turn to form a tightly fitting sealing layer. During the extrusion process, the sealing material is first extruded through the discharge hole of the die head, and then changes its shape under the action of the vertical guide groove, while the internal air is discharged to ensure that the formed sealing ring is free of bubbles, thereby improving the sealing quality and stability. That is, the processing position on the large-diameter corrugated tube where the sealing ring is to be set is heated by the bellows heating mechanism. As it rotates, the processing position heated by the bellows heating mechanism will rotate to the discharge port of the sealing ring extrusion mechanism. At this time, since a die head is set on the discharge port, the discharge through hole of the die head is connected to the discharge port. At this time, the sealing ring extrusion mechanism will heat the sealing ring material and extrude it through the discharge port and the discharge through hole in turn and adhere to the processing position of the large-diameter corrugated tube that has just been heated. Since the corresponding vertical guide groove is connected to the discharge through hole and the large-diameter corrugated tube to be processed is rotating, the sealing material with the same shape as the discharge through hole will be extruded by the vertical guide groove, so that the sealing material changes from the same shape as the discharge through hole to the same shape as the vertical guide groove and the bubbles in the sealing material are eliminated. The amount of sealing ring material on the large-diameter bellows is limited. At the same time, the vertical guide groove can also limit and squeeze the excess sealing ring material to the left and right, so that the bubbles in the sealing ring material adhering to the large-diameter bellows are squeezed, thereby achieving the removal of bubbles in the sealing material.

[0022] 1. The vertical guide groove on the die head is set so that the sealing ring material adhered to the large-diameter corrugated pipe to be processed changes from the original shape of the discharge hole to the shape of the vertical guide groove. At the same time, the vertical guide groove will also squeeze the sealing ring material in multiple directions, thereby eliminating the bubbles in the sealing ring and further improving the connection stability and firmness between the sealing ring and the large-diameter corrugated pipe.

[0023] 2. The bellows is locally heated in advance by the bellows heating mechanism, and then the sealing ring material is accurately extruded to the heated position by the sealing ring extrusion mechanism, which ensures good bonding between the sealing ring and the bellows and improves the sealing quality and durability.

[0024] 3. Through the synergy between the bellows support roller frame with adjustable spacing and the sealing ring extrusion molding machine, the seamless integration of the sealing ring and the large-diameter bellows is achieved in the early stage of production. Compared with the existing technology that requires the use of a fixing device to fix the sealing ring, after the installation is completed, it can be put into use by simply docking the bellows, which greatly improves the speed and convenience of assembly, and significantly reduces the complexity of the assembly work. Not only that, since the sealing ring and the bellows form a complete unit, this not only ensures the balanced distribution of the sealing ring when it is under pressure, but also greatly extends the service life of the sealing ring, thereby reducing the overall manufacturing cost. That is, the sealing ring can be firmly bonded to the surface of the large-diameter bellows in the production link, realizing the integration of the large-diameter bellows and the sealing ring, thereby solving the problems of cumbersome assembly, heavy economic burden and shortened life due to reliance on fixing devices under the current technical framework.

[0025] Further, the first support roller frame and the second support roller frame each include a support roller frame body, and rolling support mechanisms are provided on the left and right sides of the upper end surface of the support roller frame body, and the rolling support mechanism includes tracks provided on the front and rear sides of the upper end surface of the support roller frame body, and sliders are provided on the tracks to slide with the tracks, and the two sliders are fixedly connected by a fixing plate, and support frames are provided on the front and rear sides of the upper end surface of the fixing plate, and a rotating shaft is provided between the two support frames, and a bellows supporting roller is sleeved on the rotating shaft;

[0026] The lower end surface of the fixing plate is provided with a fixing block, the left end surface of the fixing block is provided with a rotating hole for the rotating rod to extend into, the inner wall of the rotating hole is provided with an internal thread, and the outer surface of the rotating rod is provided with an external thread;

[0027] A fixing seat for the rotating rod to extend into is arranged on the outermost side of the upper end surface of the supporting roller frame body;

[0028] A first motor is arranged on the lower end surface of a fixed plate of one of the rolling support mechanisms of the first support roller frame, and the first motor is arranged directly below the rotating shaft. A first gear is sleeved on the motor shaft of the first motor, and a second gear is sleeved on the rotating shaft. A mounting through hole is opened on the fixed plate directly below the second gear, and the first gear and the second gear are driven by a chain.

[0029] Beneficial effect: By rotating the rotating rod, the fixed block can be moved back and forth on the rotating rod, and the position of the slider on the track can be changed, thereby adjusting the distance between the two sets of supporting roller frames to adapt to corrugated pipes of different diameters.

[0030] Only one of the four rollers on the two supporting roller frames is controlled to rotate by the first motor. Specifically, the first motor is installed at the lower part of the fixed plate of one of the rolling support mechanisms, and a first gear is installed on the motor shaft thereof, which is connected to the second gear on the rotating shaft through a chain. When the first motor is started, the rotating shaft is driven to rotate through the chain transmission, thereby rotating the roller, and further driving the bellows to rotate.

[0031] 1. The distance between the two rollers on each supporting roller frame can be adjusted by rotating the rotating rod, which can adapt to corrugated pipes of different diameters and expand the application range of the device.

[0032] 2. The first motor and chain transmission mechanism introduced allows the speed and direction of the rotating shaft to be accurately controlled by electric means, thereby controlling the rotation speed of the bellows, which is conducive to realizing automated production and improving efficiency.

[0033] 3. The threaded connection design between the rotating rod, the fixed block and the fixed seat makes it simple and quick to adjust the distance of the support roller frame, and is also conducive to daily maintenance and troubleshooting.

[0034] Furthermore, the preset spacing adjustment strategy is:

[0035] S20, rotating a rotating rod of one of the rolling support mechanisms on the left and right sides of a supporting roller frame body according to the diameter value of the large-diameter corrugated pipe to be processed;

[0036] S21, the rotation of the rotating rod will drive the fixed block to move in the length direction of the rotating rod;

[0037] S22, the fixed block moves in the length direction of the rotating rod, which drives the fixed plate and the two sliders arranged on the lower end surface of the fixed plate to move in the length direction of the rotating rod;

[0038] S23, the movement of the fixed plate in the length direction of the rotating rod will drive the two support frames on the fixed plate to move in the length direction of the rotating rod;

[0039] S24, the movement of the two support frames in the length direction of the rotating rod will drive the bellows support roller between the two support frames to move in the length direction of the rotating rod;

[0040] S25. Repeat S20 to S24 to adjust the position of the corrugated tube support roller on another rolling support mechanism on a certain support roller frame body until the spacing between the corrugated tube support rollers of the two rolling support mechanisms on a certain support roller frame body meets the requirements for supporting the large-diameter corrugated tube to be processed.

[0041] Beneficial effect: Through meticulous adjustment steps, it is ensured that the spacing of the corrugated pipe support roller frame can accurately match the corrugated pipes of different diameters, thereby providing stable support during the processing and avoiding product quality problems caused by unstable support.

[0042] This strategy allows the spacing of the support roller frames to be adjusted quickly and easily, which means that a quick response can be made to different corrugated tube sizes, greatly improving the flexibility and adaptability of the production line.

[0043] Precise spacing adjustment helps maintain the shape of the bellows during processing, reducing the risk of deformation or damage to the sealing ring on the bellows caused by improper support, thereby ensuring the quality of the finished product.

[0044] Furthermore, a rotating handle is provided on one end of the rotating rod away from the fixing block.

[0045] Beneficial effect: The setting of the rotating handle can make it more labor-saving to adjust the spacing between the rollers.

[0046] Furthermore, when the sealing ring extrusion mechanism and the bellows heating mechanism are started in S7, the corresponding rotation logic of the large-diameter bellows to be processed during the rotation process is:

[0047] According to the started sealing ring extrusion mechanism and the bellows heating mechanism, the sealing ring material ratio corresponding to the sealing ring extrusion mechanism, the extrusion speed corresponding to the sealing ring material being extruded from the discharge through hole, and the heating temperature corresponding to the bellows heating mechanism are collected in real time;

[0048] According to the collected sealing ring material ratio corresponding to the sealing ring extrusion mechanism, the extrusion speed corresponding to the sealing ring material being extruded from the discharge through hole, the heating temperature corresponding to the bellows heating mechanism, and the caliber value of the large-diameter bellows to be processed determined in S1, the corresponding bellows preset speed is retrieved from the corresponding bellows speed table in the database, and the speed of the large-diameter bellows to be processed reaches the bellows preset speed by controlling the first motor;

[0049] The bellows speed table is a preset speed table for the bellows corresponding to each sealing ring material ratio, extrusion speed, heating temperature and caliber value.

[0050] Beneficial effects: When the sealing ring extrusion mechanism and the bellows heating mechanism are started, the system will continuously monitor key parameters such as the ratio of the sealing ring material, the extrusion speed, and the heating temperature to obtain true feedback on the current processing conditions. The collected data will be used to compare with the known bellows speed table. The tachometer is a database that takes into account various variables (such as material properties, processing speed, heating conditions, and bellows diameter), which stores the best bellows speed recommendations for different situations. Based on the comparison results, the system will select the most appropriate preset speed for the bellows, and by controlling the first motor, the speed of the large-diameter bellows to be processed reaches this ideal value. This process ensures that the bellows can be in the optimal operating state throughout the entire processing cycle, thereby maximizing processing efficiency and product quality.

[0051] 1. By adjusting the speed of the bellows in real time, the processing process can be controlled more accurately, reducing processing defects caused by inappropriate speed and improving the consistency and reliability of the finished product.

[0052] 2. Reasonable allocation of processing resources to avoid overheating or insufficient extrusion can not only ensure processing quality but also effectively save energy and raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 The figure is a flow chart of a large-diameter bellows sealing ring forming process in the first embodiment of the present invention.

[0054] Figure 2 It is a schematic structural diagram of the sealing ring extrusion molding machine in the first embodiment of the present invention.

[0055] Figure 3 In the first embodiment of the present invention Figure 1 Schematic diagram of the enlarged structure at A.

[0056] Figure 4 It is a front view of the die head in Example 1 of the present invention.

[0057] Figure 5 It is a schematic diagram of the overall structure of the first supporting roller frame in the first embodiment of the present invention. DETAILED DESCRIPTION

[0058] The following is further described in detail through specific implementation methods:

[0059] The marks in the drawings of the specification include: support roller frame body 1, track 2, slider 3, fixed plate 4, support frame 5, rotating shaft 6, roller 7, rotating rod 8, fixed seat 9, mounting through hole 10, sealing ring extrusion molding machine 11, discharge pipe 12, die head 13, vertical guide groove 14, discharge through hole 15.

[0060] Embodiment 1

[0061] The molding process of large-diameter bellows seal ring is basically as follows Figure 1 , Figure 2 , Figure 3 as well as Figure 4 As shown, the following steps are included:

[0062] S1. Determine the diameter value of the large-diameter corrugated pipe to be processed;

[0063] S2. According to the determined caliber value of the large-caliber corrugated pipe to be processed, the first support roller frame and the second support roller frame in the adjustable-spacing corrugated pipe support roller frame respectively adjust the spacing between the two corresponding corrugated pipe support roller wheels 7 according to a preset spacing adjustment strategy;

[0064] like Figure 5 As shown, the bellows support roller frame with adjustable spacing includes a first support roller frame and a second support roller frame, and the first support roller frame and the second support roller frame both include a support roller frame body 1, and rolling support mechanisms are provided on both sides of the upper end surface of the support roller frame body 1;

[0065] The rolling support mechanism includes rails 2 arranged on both sides of the front and rear of the upper end surface of the support roller frame body 1, and the rails 2 are fixedly connected to the upper end surface of the support roller frame by bolts and nuts.

[0066] The rails 2 are each provided with a slider 3 that slidably cooperates with the rails 2;

[0067] The two sliders 3 are connected by welding via a fixing plate 4 , and support frames 5 are provided on both sides of the front and rear ends of the upper end surface of the fixing plate 4 . In the present embodiment, the support frames 5 are fixed by welding on the upper end surface of the fixing plate 4 .

[0068] A rotating shaft 6 is disposed between the two support frames 5, and a roller 7 is sleeved on the rotating shaft 6;

[0069] A fixing block is disposed on the lower end surface of the fixing plate 4 . In this embodiment, the fixing block is fixed on the fixing plate 4 by welding.

[0070] The left end face of the fixed block is provided with a rotating hole for the rotating rod 8 to extend into, the inner wall of the rotating hole is provided with an internal thread, and the outer surface of the rotating rod 8 is provided with an external thread; the rotating rod 8 and the fixed block are threadedly matched through the external thread on the rotating rod 8 and the internal thread on the fixed block.

[0071] A fixing seat 9 for the rotating rod 8 to extend into is provided on the outermost side of the upper end surface of the supporting roller frame body 1; in this embodiment, the fixing seat 9 is welded and fixed on the upper end surface of the supporting roller frame body 1, wherein the hole on the fixing seat 9 for the rotating rod 8 to extend into is at the same height as the rotating hole on the fixed block.

[0072] A first motor is arranged on the lower end surface of the fixed plate 4 of one of the rolling support mechanisms of the first support roller frame. The first motor is arranged directly below the rotating shaft 6. A first gear is sleeved on the motor shaft of the first motor. A second gear is sleeved on the rotating shaft 6. A mounting through hole 10 is opened on the fixed plate 4 directly below the second gear. The first gear and the second gear are driven by a chain.

[0073] The sealing ring extrusion molding machine 11 includes a sealing ring extrusion mechanism for heating and extruding the sealing ring material and a bellows heating mechanism for preheating the large-diameter bellows;

[0074] The discharge port in the sealing ring extrusion mechanism is fixedly provided with a die head 13, the die head 13 is provided with a discharge through hole 15 along the direction of the discharge port, and the die head 13 is provided with a vertical guide groove 14 connected to the discharge through hole 15. In this embodiment, the discharge pipe 12 corresponding to the discharge port is fixed to the die head 13 by screws.

[0075] The preset spacing adjustment strategy is:

[0076] S20, according to the diameter value of the large-diameter corrugated pipe to be processed, rotating the rotating rod 8 of one of the rolling support mechanisms on the left and right sides of a certain supporting roller frame body 1;

[0077] S21, the rotation of the rotating rod 8 will drive the fixed block to move in the length direction of the rotating rod 8;

[0078] S22, the fixed block moves in the length direction of the rotating rod 8, which drives the fixed plate 4 and the two sliders 3 arranged on the lower end surface of the fixed plate 4 to move in the length direction of the rotating rod 8;

[0079] S23, the movement of the fixed plate 4 in the length direction of the rotating rod 8 will drive the two support frames 5 on the fixed plate 4 to move in the length direction of the rotating rod 8;

[0080] S24, the movement of the two support frames 5 in the length direction of the rotating rod 8 will drive the bellows support roller 7 between the two support frames 5 to move in the length direction of the rotating rod 8;

[0081] S25. Repeat S20 to S24 to adjust the position of the corrugated tube support roller 7 on another rolling support mechanism on a certain support roller frame body 1 until the spacing between the corrugated tube support rollers 7 of the two rolling support mechanisms on a certain support roller frame body 1 meets the requirement of supporting the large-diameter corrugated tube to be processed.

[0082] In this embodiment, in order to save effort when rotating the rotating rod 8, a rotating handle is provided on one end of the rotating rod 8 away from the fixed block.

[0083] S3, after adjusting the spacing between the two corrugated pipe supporting rollers 7 corresponding to the first supporting roller frame and the second supporting roller frame respectively, the two ends of the large-diameter corrugated pipe to be processed are horizontally placed on the two corrugated pipe supporting rollers 7 of the first supporting roller frame and the two corrugated pipe supporting rollers 7 of the second supporting roller frame respectively;

[0084] S4, aligning the die head 13 fixedly arranged on the discharge port of the sealing ring extrusion mechanism in the sealing ring extrusion molding machine 11 with the processing position corresponding to the large-diameter corrugated pipe to be processed, the die head 13 is provided with a corresponding discharge through hole 15 along the direction of the discharge port, and the die head 13 is provided with a vertical guide groove 14 connected with the discharge through hole 15;

[0085] S5, aligning the bellows heating mechanism in the sealing ring extrusion molding machine 11 with the processing position corresponding to the large-diameter bellows to be processed;

[0086] S6, starting the first motor on the first supporting roller frame to drive one of the bellows supporting rollers 7 on the first supporting roller frame to rotate;

[0087] S7, starting the sealing ring extrusion mechanism and the bellows heating mechanism, when the large-diameter bellows to be processed is rotating, the processing position is heated by the bellows heating mechanism and the sealing material is adhered by the sealing ring extrusion mechanism in turn;

[0088] The sealing ring extrusion mechanism performs the adhesion of the sealing material, comprising the following steps:

[0089] The sealing ring extrusion mechanism heats the sealing material and extrudes it through the discharge port and the discharge through hole 15 and adheres it to the position to be processed;

[0090] As the large-diameter corrugated pipe to be processed rotates, the sealing material with the same shape as the discharge hole 15 will be squeezed by the vertical guide groove 14, so that the sealing material changes from the same shape as the discharge hole 15 to the same shape as the vertical guide groove 14 and the bubbles in the sealing material are removed.

[0091] When the sealing ring extrusion mechanism and the bellows heating mechanism are started in S7, the corresponding rotation logic of the large-diameter bellows to be processed during the rotation process is:

[0092] According to the started sealing ring extrusion mechanism and the bellows heating mechanism, the sealing ring material ratio corresponding to the sealing ring extrusion mechanism, the extrusion speed corresponding to the sealing ring material being extruded from the discharge through hole 15, and the heating temperature corresponding to the bellows heating mechanism are collected in real time;

[0093] According to the collected sealing ring material ratio corresponding to the sealing ring extrusion mechanism, the extrusion speed corresponding to the sealing ring material being extruded from the discharge through hole 15, the heating temperature corresponding to the bellows heating mechanism, and the caliber value of the large-diameter bellows to be processed determined in S1, the corresponding bellows preset speed is retrieved from the corresponding bellows speed table in the database, and the speed of the large-diameter bellows to be processed reaches the bellows preset speed by controlling the first motor;

[0094] The bellows speed table is a preset bellows speed corresponding to each sealing ring material ratio, extrusion speed, heating temperature and caliber value. In this embodiment, a large number of preset bellows speeds corresponding to different sealing ring material ratios, extrusion speeds, heating temperatures and caliber values ​​are stored in the database.

[0095] The above is only an embodiment of the present invention. The common sense such as the known specific structure and characteristics in the scheme is described too much here. The ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the invention before the application date or priority date, can know all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, which should also be regarded as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent. The protection scope required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. The large-diameter bellows seal ring forming process is characterized by: The following steps are involved: S1. Determine the diameter value of the large-diameter corrugated pipe to be processed; S2. According to the determined caliber value of the large-caliber corrugated pipe to be processed, the first support roller frame and the second support roller frame in the adjustable-spacing corrugated pipe support roller frame are respectively adjusted according to a preset spacing adjustment strategy for the spacing between the two corresponding corrugated pipe support rollers; S3, after adjusting the spacing between the two corrugated pipe support rollers corresponding to the first support roller frame and the second support roller frame respectively, the two ends of the large-diameter corrugated pipe to be processed are horizontally placed on the two corrugated pipe support rollers of the first support roller frame and the two corrugated pipe support rollers of the second support roller frame respectively; S4, aligning the die head fixedly arranged on the discharge port of the sealing ring extrusion mechanism in the sealing ring extrusion molding machine with the processing position corresponding to the large-diameter corrugated pipe to be processed, the die head is provided with a corresponding discharge through hole along the direction of the discharge port, and the die head is provided with a vertical guide groove connected with the discharge through hole; S5, aligning the bellows heating mechanism in the sealing ring extrusion molding machine with the processing position corresponding to the large-diameter bellows to be processed; S6, starting the first motor on the first supporting roller frame to drive one of the bellows supporting rollers on the first supporting roller frame to rotate; S7, starting the sealing ring extrusion mechanism and the bellows heating mechanism, when the large-diameter bellows to be processed is rotating, the processing position is heated by the bellows heating mechanism and the sealing material is adhered by the sealing ring extrusion mechanism in turn; The sealing ring extrusion mechanism performs the adhesion of the sealing material, comprising the following steps: The sealing ring extrusion mechanism heats the sealing material and extrudes it through the discharge port and the discharge through hole and adheres it to the position to be processed; As the large-diameter corrugated pipe to be processed rotates, the sealing material with the same shape as the discharge hole will be squeezed by the vertical guide groove, so that the sealing material changes from the same shape as the discharge hole to the same shape as the vertical guide groove and the bubbles in the sealing material are removed.

2. The large-diameter bellows seal ring forming process according to claim 1 is characterized in that: The first support roller frame and the second support roller frame each include a support roller frame body, and rolling support mechanisms are provided on the left and right sides of the upper end surface of the support roller frame body, and the rolling support mechanism includes tracks provided on the front and rear sides of the upper end surface of the support roller frame body, and sliders are provided on the tracks to slide with the tracks, and the two sliders are fixedly connected by a fixing plate, and support frames are provided on the front and rear sides of the upper end surface of the fixing plate, and a rotating shaft is provided between the two support frames, and a bellows supporting roller is sleeved on the rotating shaft; The lower end surface of the fixing plate is provided with a fixing block, the left end surface of the fixing block is provided with a rotating hole for the rotating rod to extend into, the inner wall of the rotating hole is provided with an internal thread, and the outer surface of the rotating rod is provided with an external thread; A fixing seat for the rotating rod to extend into is arranged on the outermost side of the upper end surface of the supporting roller frame body; A first motor is arranged on the lower end surface of a fixed plate of one of the rolling support mechanisms of the first support roller frame, and the first motor is arranged directly below the rotating shaft. A first gear is sleeved on the motor shaft of the first motor, and a second gear is sleeved on the rotating shaft. A mounting through hole is opened on the fixed plate directly below the second gear, and the first gear and the second gear are driven by a chain.

3. The large-diameter bellows seal ring forming process according to claim 2 is characterized in that: The preset spacing adjustment strategy is: S20, rotating a rotating rod of one of the rolling support mechanisms on the left and right sides of a supporting roller frame body according to the diameter value of the large-diameter corrugated pipe to be processed; S21, the rotation of the rotating rod will drive the fixed block to move in the length direction of the rotating rod; S22, the fixed block moves in the length direction of the rotating rod, which drives the fixed plate and the two sliders arranged on the lower end surface of the fixed plate to move in the length direction of the rotating rod; S23, the movement of the fixed plate in the length direction of the rotating rod will drive the two support frames on the fixed plate to move in the length direction of the rotating rod; S24, the movement of the two support frames in the length direction of the rotating rod will drive the bellows support roller between the two support frames to move in the length direction of the rotating rod; S25. Repeat S20 to S24 to adjust the position of the corrugated tube support roller on another rolling support mechanism on a certain support roller frame body until the spacing between the corrugated tube support rollers of the two rolling support mechanisms on a certain support roller frame body meets the requirements for supporting the large-diameter corrugated tube to be processed.

4. The large-diameter bellows seal ring forming process according to claim 3 is characterized in that: A rotating handle is arranged on one end of the rotating rod away from the fixing block.

5. The large-diameter bellows seal ring forming process according to claim 4 is characterized in that: When the sealing ring extrusion mechanism and the bellows heating mechanism are started in S7, the corresponding rotation logic of the large-diameter bellows to be processed during the rotation process is: According to the started sealing ring extrusion mechanism and the bellows heating mechanism, the sealing ring material ratio corresponding to the sealing ring extrusion mechanism, the extrusion speed corresponding to the sealing ring material being extruded from the discharge through hole, and the heating temperature corresponding to the bellows heating mechanism are collected in real time; According to the collected sealing ring material ratio corresponding to the sealing ring extrusion mechanism, the extrusion speed corresponding to the sealing ring material being extruded from the discharge through hole, the heating temperature corresponding to the bellows heating mechanism, and the caliber value of the large-diameter bellows to be processed determined in S1, the corresponding bellows preset speed is retrieved from the corresponding bellows speed table in the database, and the speed of the large-diameter bellows to be processed reaches the bellows preset speed by controlling the first motor; The bellows speed table is a preset speed table for the bellows corresponding to each sealing ring material ratio, extrusion speed, heating temperature and caliber value.

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