Hot melt welding equipment and process for type iv hydrogen storage tube nylon liner

Abstract

The application discloses a hot melt welding device for a type IV hydrogen storage tube nylon inner liner and a process thereof, the welding device comprises a base, a second sliding groove is formed in the upper surface of the base, support rollers are symmetrically arranged on the two sides of the second sliding groove, the two ends of the support rollers are rotationally connected with the inner side surface of the base, a moving frame is arranged above the second sliding groove, a moving block is fixedly connected with the lower end of the moving frame, the moving block is slidingly connected with the second sliding groove, a lifting plate is slidingly installed in the moving frame, a support plate is fixedly connected with the upper end of the lifting plate, a screw rod is threadedly connected with the inside of the support plate, one end of the screw rod is fixedly connected with a support rod, one end of the support rod is fixedly connected with a disc, a plurality of electric telescopic rods are fixedly connected with the side surface of the disc, and one end of each electric telescopic rod is fixedly connected with a U-shaped seat. The application solves the problem that the ring body of the nylon inner liner is deformed due to the weight during welding, the butt joint gap of the ring body is misaligned, and the welding quality is reduced due to the uneven thickness of the welding at the butt joint gap.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydrogen storage tube liner welding, in particular to a hot melt welding equipment for a type IV hydrogen storage tube nylon liner and a process thereof. BACKGROUND

[0002] The liner of the type IV hydrogen storage tube is particularly characterized in that it uses nylon materials such as PA6, PA612, PA11, etc., which have good hydrogen permeation resistance, heat resistance, low-temperature mechanical properties and processing performance. The design of the liner also includes a gas barrier layer, a pressure-resistant layer and a surface layer, which are composed of different materials to ensure the performance and safety of the hydrogen storage cylinder.

[0003] The existing chemical plant hydrogen storage tube is generally large in size, and is generally made by splicing multiple nylon liner rings during production. A hot melt welding device is needed to weld and fix the nylon liner ring body during splicing of the nylon liner ring. The existing welding device is relatively simple, generally welding the splicing joint of the nylon liner ring body through a mechanical arm and a welding head, and rotating the nylon liner ring body while welding. However, the existing welding device has certain deficiencies. When welding a large-size nylon liner ring body, the weight of the nylon liner ring body increases with the size, so the nylon liner ring body is prone to deformation after being placed on the welding device, and the splicing joint of the ring body is prone to misalignment, which results in uneven thickness of the welding part of the nylon liner ring body and reduces the welding quality of the nylon liner ring body. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a hot melt welding equipment for a type IV hydrogen storage tube nylon liner and a process thereof, which solves the problem of misalignment of the splicing joint of the ring body caused by deformation due to weight during welding of the nylon liner ring body, avoids uneven thickness of the splicing gap during welding, and reduces the welding quality of the nylon liner ring body.

[0005] In order to achieve the above object, the present application is realized by the following technical scheme: the hot melt welding equipment for the nylon inner liner of type IV hydrogen storage tube, including the base, the upper surface of the base is provided with the second sliding groove, and the two sides of the second sliding groove are symmetrically provided with the supporting roller, the two ends of the supporting roller are rotatably connected with the inner side surface of the base, the upper side of the second sliding groove is provided with the moving frame, and the lower end of the moving frame is fixedly connected with the moving block, the moving block is slidably connected with the second sliding groove, the inside of the moving frame is slidably provided with the lifting plate, and the upper end of the lifting plate is fixedly connected with the supporting plate, the inside of the supporting plate is threadedly connected with the screw rod, one end of the screw rod is fixedly connected with the supporting rod, one end of the supporting rod is fixedly connected with the disc, the side surface of the disc is fixedly connected with a plurality of electric telescopic rods, one end of the electric telescopic rod is fixedly connected with the U-shaped seat, and the two ends of the U-shaped seat are fixedly connected with the arc-shaped top plate, the side surface of the disc is symmetrically provided with the welder, one side of the welder is connected with the moving plate through the adjusting mechanism, one end of the moving plate is provided with the supporting mechanism, and one end of the base is provided with the driving mechanism.

[0006] Preferably, the adjusting mechanism includes an adjusting screw, and one end of the adjusting screw is threadedly connected with the moving plate through the moving plate, and the upper end of the adjusting screw is rotatably connected with an adjusting cylinder, and one end of the adjusting cylinder is fixedly connected with the welder.

[0007] Preferably, one side of the adjusting screw is provided with a limiting rod, and the limiting rod is slidably connected with the moving plate, and the upper end of the limiting rod is fixedly connected with the lower surface of the adjusting cylinder.

[0008] Preferably, the two side surfaces of the base are fixedly connected with the supporting block, one end of the supporting block is fixedly connected with the guide rail, the upper surface of the guide rail is provided with the first sliding groove, and one end of the moving plate is located in the inside of the first sliding groove and is slidably connected with the first sliding groove.

[0009] Preferably, the inner wall of the second sliding groove is rotatably connected with a driving screw, one end of the driving screw is threadedly connected with the moving block through the moving block, one end of the driving screw is fixedly connected with an adjusting motor, and the adjusting motor is fixedly installed at the other end of the base.

[0010] Preferably, the other end of the screw rod is fixedly connected with a rotating handle, one side surface of the rotating handle is rotatably connected with a thimble, the side surface of the thimble is symmetrically fixedly connected with a push plate, one end of the push plate is fixedly connected with a push rod, and one end of the push rod is fixedly connected with the upper surface of the moving plate.

[0011] Preferably, the inside of the moving frame and the lifting plate are both provided with a limiting hole, and the limiting hole is inserted with a limiting rod.

[0012] Preferably, the driving mechanism comprises a lifting cylinder, one end of the lifting cylinder is fixedly connected with the base, the upper end of the lifting cylinder is fixedly connected with a bottom plate, the upper surface of the bottom plate is fixedly connected with a driving motor, one end of the driving motor is fixedly connected with a driving roller.

[0013] The hot melt welding process of the nylon liner of the type IV hydrogen storage tube is as follows:

[0014] S1: first, place the two groups of nylon liner ring bodies on the support rollers symmetrically arranged on the inner side of the base, so that one side of one of the nylon liner ring bodies leans against the inner side surface of the base, start the lifting cylinder in the driving mechanism, adjust the height of the driving roller through the lifting cylinder so that the driving roller presses against the side surface of the nylon liner ring body;

[0015] S2: start the adjusting motor at one end of the base, the adjusting motor drives the driving screw to rotate, thereby driving the moving frame to move towards the nylon liner ring body through the moving block, when the disc at one end of the support rod moves to the inside of the nylon liner ring body, the adjusting motor is turned off, the worker rotates the screw by rotating the handle, the screw drives the rotating handle and the disc to move, and in the process of moving the disc, the moving plate can be moved in the first sliding groove through the sleeve ring, the push plate and the push rod, when the welding device at one end of the adjusting gas cylinder on the upper surface of the moving plate is aligned with the splicing gap of the nylon liner ring body, stop rotating the screw, and the arc-shaped top plates at both ends of the U-shaped seat on the side surface of the disc are located on both sides of the splicing gap of the nylon liner ring body;

[0016] S3: the worker starts the electric telescopic rod on the side surface of the disc, the electric telescopic rod pushes the arc-shaped top plate to be supported on the inner side wall of the nylon liner ring body through the U-shaped seat, and the splicing gap of the nylon liner ring body is aligned to avoid misalignment;

[0017] S4: the worker first welds multiple points on the splicing gap of the nylon liner ring body, then the worker starts the driving motor in the driving mechanism, the driving motor drives the nylon liner ring body to rotate, and at the same time, the welding device is started, so that the splicing gap of the nylon liner ring body can be welded

[0018] The present application provides a hot melt welding device for the nylon liner of the type IV hydrogen storage tube.

[0019] 1. The electric telescopic rod at one end of the disc and the arc-shaped top plates at both ends of the U-shaped seat on the side surface of the disc cooperate with each other, so that the inner side wall of the nylon liner ring body can be supported, and the welding thickness is uniform, thus improving the welding quality of the welding device for the nylon liner ring body.

[0020] 2、through the lantern side surface symmetry fixed connection of the push plate and push plate lower end fixed connection of the push rod, can be in the mobile disc at the same time mobile welding device, therefore through the welding device can accurately adjust the arc-shaped top plate of the U-shaped seat both ends to be located on the nylon liner ring body splicing gap both sides, thereby improving the efficiency of adjusting the arc-shaped top plate, and reduce the trouble of the staff.

[0021] 3、through the bottom two sides fixed connection of the support block one end of the guide rail and the first sliding groove on the upper surface of the guide rail, can support the moving plate and improve the stability of the moving plate, at the same time also improves the stability of the welding device when welding the nylon liner ring body, and further improves the welding quality of the nylon liner ring body. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 for the structure of the present application schematic diagram.

[0023] Figure 2 for the structure of the present application schematic diagram.

[0024] Figure 3 for the structure of the present application schematic diagram.

[0025] Figure 4 for the structure of the present application schematic diagram.

[0026] Figure 5 for the structure of the present application schematic diagram.

[0027] Figure 6 for the structure of the present application schematic diagram.

[0028] Figure 7 for Figure 5 the structure of the present application schematic diagram.

[0029] Figure: 1, the base; 101, support block; 102, guide rail; 103, the first sliding groove; 2, moving plate; 201, adjusting cylinder; 202, limit rod; 203, adjusting screw; 204, welding device; 3, support roller; 4, second sliding groove; 5, drive screw; 6, lifting cylinder; 601, bottom plate; 602, drive motor; 603, drive roller; 7, adjusting motor; 8, moving frame; 801, moving block; 802, limit hole; 803, limit rod; 804, lifting plate; 9, push plate; 901, push rod; 10, screw; 1001, support plate; 1002, disc; 1003, electric telescopic rod; 1004, support rod; 1005, U-shaped seat; 1006, arc-shaped top plate; 11, rotating handle; 12, lantern. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0031] Please refer to Figures 1-7 The present application provides a technical solution: the hot melt welding equipment of the nylon liner of type IV hydrogen storage tube, including base 1, the upper surface of base 1 is provided with second chute 4, and the two sides of second chute 4 are symmetrically provided with supporting roller 3, both ends of supporting roller 3 are rotatably connected with the inner side surface of base 1, the upper side of second chute 4 is provided with moving frame 8, and the lower end of moving frame 8 is fixedly connected with moving block 801, moving block 801 is slidably connected with second chute 4, the inside of moving frame 8 is slidably installed with lifting plate 804, and the upper end of lifting plate 804 is fixedly connected with supporting plate 1001, the inside of supporting plate 1001 is threadedly connected with screw rod 10, and one end of screw rod 10 is fixedly connected with supporting rod 1004, one end of supporting rod 1004 is fixedly connected with disc 1002, and the side surface of disc 1002 is fixedly connected with a plurality of electric telescopic rods 1003, one end of electric telescopic rod 1003 is fixedly connected with U-shaped seat 1005, and both ends of U-shaped seat 1005 are fixedly connected with arc-shaped top plate 1006, the side surface of disc 1002 is symmetrically provided with welder 204, and one side of welder 204 is connected with moving plate 2 through adjusting mechanism, one end of moving plate 2 is provided with supporting mechanism, and one end of base 1 is provided with driving mechanism.

[0032] As a technical optimization scheme of the present application, the adjusting mechanism includes adjusting screw rod 203, and one end of adjusting screw rod 203 is threadedly connected with moving plate 2 through moving plate 2, the upper end of adjusting screw rod 203 is rotatably connected with adjusting cylinder 201, and one end of adjusting cylinder 201 is fixedly connected with welder 204, the height of welder 204 can be conveniently adjusted by rotating adjusting screw rod 203, and the horizontal position of welder 204 can be adjusted by starting adjusting cylinder 201, so that the nylon liner ring body with different diameters can be conveniently welded, and the practical range of the welding device is improved.

[0033] As a technical optimization scheme of the present application, one side of adjusting screw rod 203 is provided with limiting rod 202, and limiting rod 202 is slidably connected with moving plate 2, the upper end of limiting rod 202 is fixedly connected with the lower surface of adjusting cylinder 201, which can limit adjusting cylinder 201, avoid the deflection of adjusting cylinder 201 when adjusting the height of adjusting cylinder 201, and thus the nylon liner ring body splicing gap cannot be aligned.

[0034] As a technical optimization scheme of the present application, the two side surfaces of the base 1 are fixedly connected with support blocks 101, one end of each support block 101 is fixedly connected with a guide rail 102, the upper surface of the guide rail 102 is provided with a first sliding groove 103, and one end of the moving plate 2 is located inside the first sliding groove 103 and is in sliding connection with the first sliding groove 103. The support blocks 101 and the guide rail 102 can support the moving plate 2, thereby improving the stability of the moving plate 2 and further improving the welding quality of the nylon liner ring body.

[0035] As a technical optimization scheme of the present application, the inner wall of the second sliding groove 4 is rotatably connected with a drive screw 5, one end of the drive screw 5 passes through a moving block 801 and is threadedly connected with the moving block 801, one end of the drive screw 5 is fixedly connected with an adjusting motor 7, and the adjusting motor 7 is fixedly installed at the other end of the base 1. The drive screw 5 and the adjusting motor 7 can conveniently drive the moving frame 8 and the support plate 1001 to move, thereby sequentially welding multiple nylon liner ring bodies and improving the welding efficiency of the nylon liner ring body.

[0036] As a technical optimization scheme of the present application, the other end of the screw 10 is fixedly connected with a rotating handle 11, one side surface of the rotating handle 11 is rotatably connected with a thimble 12, the side surface of the thimble 12 is fixedly connected with a push plate 9 in a symmetrical manner, one end of the push plate 9 is fixedly connected with a push rod 901, and one end of the push rod 901 is fixedly connected with the upper surface of the moving plate 2. Through the cooperation of the thimble 12, the push plate 9, and the push rod 901, when the moving frame 8 is moved by the drive screw 5 and the adjusting motor 7 or the position of the disc 1002 is moved by the rotating screw 10, the moving plate 2 can be moved at the same time, thereby ensuring that the welder 204 at one end of the adjusting cylinder 201 is always aligned with the disc 1002, reducing the trouble of the workers, further improving the welding efficiency of the nylon liner ring body, and conveniently adjusting the height of the support plate 1001 through the adjusting screw 203.

[0037] As a technical optimization scheme of the present application, the interiors of the moving frame 8 and the lifting plate 804 are each provided with a limiting hole 802, and a limiting rod 803 is inserted into the limiting hole 802, which can limit the lifting plate 804 and avoid the bending of the push rod 901 due to the gravity of the lifting plate 804, the support plate 1001, and the disc 1002 during long-term use.

[0038] As a technical optimization scheme of the present application, the driving mechanism comprises a lifting cylinder 6, one end of which is fixedly connected with the base 1, the upper end of the lifting cylinder 6 is fixedly connected with a bottom plate 601, the upper surface of the bottom plate 601 is fixedly connected with a driving motor 602, one end of the driving motor 602 is fixedly connected with a driving roller 603, which can conveniently drive the nylon liner ring body to rotate in the welding process, thereby facilitating the welding device 204 to integrally weld the butt joint gap of the nylon liner ring body.

[0039] The hot melting welding process of the nylon liner of the type IV hydrogen storage tube comprises the following specific steps:

[0040] S1: First, place the two groups of nylon liner ring bodies on the support rollers 3 symmetrically arranged on the inner side of the base 1, so that one side of one of the nylon liner ring bodies abuts against the inner side surface of the base 1, start the lifting cylinder 6 in the driving mechanism, adjust the height of the driving roller 603 by the lifting cylinder 6 so that the driving roller 603 presses against the side surface of the nylon liner ring body;

[0041] S2: Start the adjusting motor 7 at one end of the base 1, the adjusting motor 7 drives the driving screw 5 to rotate, thereby driving the moving frame 8 to move towards the nylon liner ring body through the moving block 801, when the disc 1002 at one end of the support rod 1004 moves to the inside of the nylon liner ring body, stop the adjusting motor 7, the worker rotates the screw rod 10 by rotating the handle 11, the screw rod 10 pushes the rotating handle 11 and the disc 1002 to move, and in the process of moving the disc 1002, the moving plate 2 can be pushed to move in the first sliding slot 103 through the sleeve ring 12, the push plate 9 and the push rod 901, when the welding device 204 at one end of the adjusting cylinder 201 on the upper surface of the moving plate 2 is aligned with the butt joint gap of the nylon liner ring body, stop rotating the screw rod 10, the arc-shaped top plates 1006 at both ends of the U-shaped seat 1005 on the side surface of the disc 1002 are just located on both sides of the butt joint gap of the nylon liner ring body;

[0042] S3: The worker starts the electric telescopic rod 1003 on the side surface of the disc 1002, which pushes the arc-shaped top plates 1006 to be supported on the inner side wall of the nylon liner ring body through the U-shaped seat 1005, so that the butt joint gap of the nylon liner ring body is aligned to avoid misalignment;

[0043] S4: The worker first welds multiple points on the gap of the nylon liner ring body, then starts the driving motor 602 in the driving mechanism, the driving motor 602 drives the nylon liner ring body to rotate, at the same time, starts the welding device 204, which can weld the butt joint gap of the nylon liner ring body.

[0044] Meanwhile, the contents not described in detail in the present specification all belong to the prior art known to those skilled in the art.

[0045] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify different entities or actions and do not necessarily require or imply any actual relationship or order between these 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. In other words, without further restriction, reference to elements will not, without more limitations, exclude additional, unrecited elements of a process, method, article, or apparatus.

[0046] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to these embodiments. Rather, it is the intention to cover any variations and modifications, provided they fall within the scope of the application as defined by the appended claims and their equivalents.

Claims

1. Hot melt welding equipment for the nylon liner of type IV hydrogen storage tube, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a second sliding groove (4), and the two sides of the second sliding groove (4) are symmetrically provided with supporting rollers (3), both ends of the supporting roller (3) are rotatably connected with the inner side surface of the base (1), the upper side of the second sliding groove (4) is provided with a moving frame (8), and the lower end of the moving frame (8) is fixedly connected with a moving block (801), the moving block (801) is slidably connected with the second sliding groove (4), the inside of the moving frame (8) is slidably installed with a lifting plate (804), and the upper end of the lifting plate (804) is fixedly connected with a supporting plate (1001), the inside of the supporting plate (1001) is threadedly connected with a screw rod (10), one end of the screw rod (10) is fixedly connected with a supporting rod (1004), one end of the supporting rod (1004) is fixedly connected with a disc (1002), and the side surface of the disc (1002) is fixedly connected with a plurality of electric telescopic rods (1003), one end of the electric telescopic rod (1003) is fixedly connected with a U-shaped seat (1005), and both ends of the U-shaped seat (1005) are fixedly connected with arc-shaped top plates (1006), the side surface of the disc (1002) is symmetrically provided with a welder (204), one side of the welder (204) is connected with a moving plate (2) through an adjusting mechanism, one end of the moving plate (2) is provided with a supporting mechanism, and one end of the base (1) is provided with a driving mechanism. The adjusting mechanism comprises an adjusting screw rod (203), one end of the adjusting screw rod (203) penetrates through the moving plate (2) and is threadedly connected with the moving plate (2), and the upper end of the adjusting screw rod (203) is rotatably connected with an adjusting cylinder (201), and one end of the adjusting cylinder (201) is fixedly connected with the welder (204). Both side surfaces of the base (1) are fixedly connected with supporting blocks (101), one end of the supporting block (101) is fixedly connected with a guide rail (102), the upper surface of the guide rail (102) is provided with a first sliding groove (103), and one end of the moving plate (2) is located in the first sliding groove (103) and is slidably connected with the first sliding groove (103). The other end of the screw rod (10) is fixedly connected with a rotating handle (11), one side surface of the rotating handle (11) is rotatably connected with a sleeve ring (12), the side surface of the sleeve ring (12) is symmetrically fixedly connected with a push plate (9), one end of the push plate (9) is fixedly connected with a push rod (901), and one end of the push rod (901) is fixedly connected with the upper surface of the moving plate (2).

2. The hot melt welding apparatus for Type IV hydrogen storage tube nylon liner as claimed in claim 1, wherein: One side of the adjusting screw rod (203) is provided with a limiting rod (202), and the limiting rod (202) is slidably connected with the moving plate (2), and the upper end of the limiting rod (202) is fixedly connected with the lower surface of the adjusting cylinder (201).

3. The hot melt welding apparatus for Type IV hydrogen storage tube nylon liner as claimed in claim 1, wherein: The inner wall of the second sliding groove (4) is rotatably connected with a driving screw rod (5), one end of the driving screw rod (5) penetrates through the moving block (801) and is threadedly connected with the moving block (801), one end of the driving screw rod (5) is fixedly connected with an adjusting motor (7), and the adjusting motor (7) is fixedly installed at the other end of the base (1).

4. The hot melt welding apparatus for Type IV hydrogen storage tube nylon liner as claimed in claim 1, wherein: The mobile frame (8) and the lifting plate (804) are internally provided with limiting holes (802), and the limiting holes (802) are internally provided with limiting rods (803).

5. The hot melt welding apparatus for Type IV hydrogen storage tube nylon liner as claimed in claim 1, wherein: The driving mechanism comprises a lifting cylinder (6), one end of the lifting cylinder (6) is fixedly connected with the base (1), the upper end of the lifting cylinder (6) is fixedly connected with a bottom plate (601), and the upper surface of the bottom plate (601) is fixedly connected with a driving motor (602); one end of the driving motor (602) is fixedly connected with a driving roller (603).

6. A hot melt welding process of a hot melt welding device using the type IV hydrogen storage tube nylon liner, the specific steps are as follows: S1: first, place two groups of nylon liner ring bodies on the support rollers (3) symmetrically arranged on the inner side of the base (1), so that one side of one of the nylon liner ring bodies is close to the inner side surface of the base (1), start the lifting cylinder (6) in the driving mechanism, adjust the height of the driving roller (603) through the lifting cylinder (6) so that the driving roller (603) is pressed on the side surface of the nylon liner ring body; S2: start the adjusting motor (7) at one end of the base (1), the adjusting motor (7) drives the driving screw (5) to rotate, so as to drive the mobile frame (8) to move towards the nylon liner ring body through the moving block (801), when the disc (1002) at one end of the support rod (1004) moves to the inside of the nylon liner ring body, the adjusting motor (7) is turned off, the worker rotates the screw rod (10) by rotating the handle (11), the screw rod (10) drives the rotating handle (11) and the disc (1002) to move, and in the process of moving the disc (1002), the moving plate (2) can be moved in the first sliding groove (103) through the sleeve ring (12), the push plate (9) and the push rod (901), when the welding device (204) at one end of the adjusting cylinder (201) on the upper surface of the moving plate (2) is aligned with the splicing gap of the nylon liner ring body, the screw rod (10) is stopped, the arc-shaped top plates (1006) at both ends of the U-shaped seat (1005) on the side surface of the disc (1002) are just located on both sides of the splicing gap of the nylon liner ring body; S3: the worker starts the electric telescopic rod (1003) on the side surface of the disc (1002), the electric telescopic rod (1003) pushes the arc-shaped top plates (1006) to support on the inner side wall of the nylon liner ring body through the U-shaped seat (1005), and the splicing gap of the nylon liner ring body is aligned to avoid misalignment; S4: the worker first welds multiple points on the splicing gap of the nylon liner ring body, and then the worker starts the driving motor (602) in the driving mechanism, the driving motor (602) drives the nylon liner ring body to rotate, and at the same time, the welding device (204) is started, so that the splicing gap of the nylon liner ring body can be welded.

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