CN119826001A - Low-temperature oiling machine pipe and forming equipment and manufacturing method thereof - Google Patents
Low-temperature oiling machine pipe and forming equipment and manufacturing method thereof Download PDFInfo
- Publication number
- CN119826001A CN119826001A CN202510030054.0A CN202510030054A CN119826001A CN 119826001 A CN119826001 A CN 119826001A CN 202510030054 A CN202510030054 A CN 202510030054A CN 119826001 A CN119826001 A CN 119826001A
- Authority
- CN
- China
- Prior art keywords
- wire
- winding
- wheel
- frame
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a low-temperature oiling machine pipe, a forming device and a manufacturing method thereof, wherein the low-temperature oiling machine pipe comprises a main pipe body, the main pipe body is provided with a pipe wall, and a pipe cavity for the oil to pass through is formed in the pipe wall; the main pipe wall is sequentially provided with an inner adhesive layer, a first supporting layer, a second supporting layer and an outer adhesive layer from inside to outside, the inner adhesive layer is used for being in direct contact with a conveyed oil product, the first supporting layer is a supporting structure formed by braiding a plurality of strands of fiber filaments, the second supporting layer is a supporting structure formed by braiding a plurality of strands of fiber filaments, the outer adhesive layer plays a role in protection, a continuous wire is arranged between the first supporting layer and the second supporting layer and is electrically connected with the ground of the oiling machine, an elastic part is formed on the wire, and the elastic parts are linearly arranged in the length direction of the wire, so that the wire has elastic force stretching or retracting in the axial direction of the main pipe body. The low-temperature oiling machine pipe can greatly reduce the tensile load, is not easy to generate fatigue fracture, and ensures that static electricity can be timely led out.
Description
Technical Field
The invention relates to the technical field of fuel filling machine pipes, in particular to a low-temperature fuel filling machine pipe, forming equipment and a manufacturing method thereof.
Background
In the gas station of tropical, subtropical or even temperate region, the enhancement layer of the fueller pipe adopts the steel wire to weave the structure generally, and this structure is superior with its firm stability, anti deformability, can effectively bear great malleation, negative pressure and external force impact. However, in the cold zone region where the air temperature suddenly drops below-40 ℃, the conventional wire-braid-structured filler pipe may be significantly hardened, losing the necessary flexibility, resulting in an extremely inconvenient filler operation. Therefore, the filler pipe used in the cold zone must maintain sufficient softness at low temperatures to ensure smoothness of operation.
The prior art generally changes the reinforcing layer from a single-layer steel wire braiding structure to a single-layer fiber braiding structure, and a stainless steel wire consisting of a stainless steel wire is embedded below the fiber braiding layer along the axial direction of the product. The function of the lead is that the lead is electrically connected with the ground of the oiling machine to realize the instant release of static electricity, thereby effectively preventing the explosion accident of the gas station. However, in practical application, the problems are that firstly, the stainless steel wire is easy to sink into the inner adhesive layer in the production process due to the direct contact between the stainless steel wire and the inner adhesive layer, so that the thickness of the inner adhesive layer at the corresponding position is partially thinned, further the inner adhesive layer is cracked, and the product is leaked and disabled, and secondly, the stainless steel wire is linearly arranged along the axial direction of the product, when the product is bent and used, the wire bears a larger tensile load in the bending direction, and fatigue fracture is easy to occur after repeated bending, so that the static electricity leading-out function is lost.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the low-temperature oiling machine pipe, the forming equipment and the manufacturing method thereof, which can greatly reduce the tensile load, are not easy to generate fatigue fracture and ensure that static electricity can be timely led out.
The first aspect of the invention provides a low-temperature oiling machine pipe, which comprises a main pipe body, wherein the main pipe body is provided with a pipe wall, and a pipe cavity for the oil to pass through is formed in the pipe wall;
The inner adhesive layer is used for directly contacting with the conveyed oil product, the first supporting layer is a supporting structure woven by a plurality of strands of fiber yarns, the second supporting layer is a supporting structure woven by a plurality of strands of fiber yarns, and the outer adhesive layer plays a role in protection;
a continuous wire is arranged between the first supporting layer and the second supporting layer, the wire is electrically connected with the ground of the oiling machine, an elastic part is formed on the wire, and a plurality of elastic parts are linearly arranged in the length direction of the wire, so that the wire has elastic force stretching or retracting in the axial direction of the main pipe body.
In a first aspect of the present invention, as a preferred embodiment, the elastic portion is S-shaped or zigzag-shaped.
In a first aspect of the present invention, as a preferred embodiment, the wire is formed by twisting a plurality of metal wires, each metal wire comprises 20-30 metal wires, the outer diameter of the metal wires is 0.1mm, and the metal wires are stainless steel round wires.
A second aspect of the present invention provides a molding apparatus for a cryogenic fuel filler pipe for processing a cryogenic fuel filler pipe as set forth in any one of the first aspects of the present invention, comprising:
the extruder is used for forming the inner adhesive layer and the outer adhesive layer;
the braiding machine is used for braiding and forming the first supporting layer and the second supporting layer;
the wire forming machine comprises a stranding device and a forming device;
The stranding device comprises a paying-off assembly and a wire arranging and winding assembly, wherein the paying-off assembly is used for synchronously paying off a plurality of single-strand wires, and the wire arranging and winding assembly is used for stranding and winding the plurality of single-strand wires synchronously paid out to form a plurality of strands of wires;
The shaping device is in butt joint with the stranding device and is used for shaping and rolling a plurality of groups of multi-strand metal wires output by the stranding device, the shaping device comprises a stranding assembly, a profiling assembly and a rolling assembly, the stranding assembly is used for stranding the plurality of groups of multi-strand metal wires into metal ropes, the profiling assembly is used for extrusion molding of the metal ropes, and the rolling assembly is used for rolling the shaped metal ropes.
In a second aspect of the present invention, as a preferred embodiment, the pay-off assembly includes a pay-off frame, a wire frame and a first stranding frame, wherein a plurality of wire axles are arranged on the pay-off frame, wire wheels are sleeved on the wire axles and are used for fixing single-strand wire coiled materials, the wire frame is arranged at the top of the pay-off frame, a wire roller is rotationally connected to the wire frame, the first stranding frame is arranged at one side of the wire frame, a first stranding steel wheel is fixed on the first stranding frame, and a first gathering channel for a plurality of single-strand wires to pass through is formed in the first stranding steel wheel;
The pay-off rack comprises a base, upright posts and cross beams, wherein the upright posts are vertically fixed on the base, a plurality of cross beams are linearly arranged on the upright posts along the height direction, the two sides of each cross beam are provided with outwards extending inclined parts, the inclined parts are used for being in rotary connection with the wire wheel shafts, so that the tail ends of the wire wheel shafts are upwards obliquely arranged on the two sides of the cross beams, a plurality of wire wheel shafts are rectangular arranged on the cross beams and are arranged on the pay-off rack, the top of each wire wheel shaft of each vertical column is provided with a wire roller, and the horizontal distance between each wire wheel shaft of each vertical column from top to bottom and the wire roller is gradually reduced.
In a second aspect of the present invention, as a preferred embodiment, the winding assembly includes a winding frame, a winding structure and a driving structure are mounted on the winding frame, the winding structure is in butt joint with the unwinding assembly, the winding structure includes an optical axis and a wire wheel rotatably connected with the winding frame, the optical axis wire arranger and the wire wheel form a winding space through which a plurality of wires can pass, the winding structure includes a large i-shaped wheel shaft, a large spool for winding the plurality of wires is disposed on the large i-shaped wheel shaft, and the driving structure has an output shaft, the output shaft is in transmission connection with the large i-shaped wheel shaft, and the output shaft is in transmission connection with the optical axis through a chain sprocket.
In a second aspect of the present invention, as a preferred embodiment, the molding device has a molding frame for fixing the strand assembly and the profiling assembly, the strand assembly and the profiling assembly are respectively disposed at two opposite ends of the molding frame, and a winding frame for fixing the winding assembly;
The second stranding steel wheel is fixed on the forming frame through the second stranding frame, and a second gathering channel through which a metal rope can pass is formed in the second stranding steel wheel;
the rotary frame is fixed on the output shaft of the strand driving piece, a mounting shaft is fixed on the rotary frame, the mounting shaft is arranged along the radial direction of the output shaft, and a plurality of groups of large spool wheels wound with a plurality of strands of metal wires are sleeved on the mounting shaft.
In the second aspect of the present invention, as a preferred embodiment, the profiling assembly includes a profiling driving member, a first pressing wheel and a second pressing wheel, where the first pressing wheel and the second pressing wheel are both rotationally connected to the molding frame, a molding bottom die is provided on a surface of the first pressing wheel, a molding top die is formed on a surface of the second pressing wheel, a molding cavity is formed between the molding bottom die and the molding top die when the molding bottom die is meshed with the molding top die, the profiling driving member is fixed to the molding frame through a motor frame, the profiling driving member has an output shaft, and the profiling driving member output shaft is respectively connected with the first pressing wheel and the second pressing wheel through a transmission assembly in a transmission manner.
In the second aspect of the present invention, as a preferred embodiment, the winding assembly includes a winding driving member, a winding guide wheel and a winding wheel, the winding guide wheel is rotatably connected to the winding frame, the winding guide wheel is in butt joint with the profiling assembly, the winding wheel is rotatably connected to the winding frame, the winding driving member has an output shaft, the winding driving member output shaft is rotatably connected with the winding wheel, and the power is provided by the winding driving member to wind the profiled metal cord output by the profiling assembly onto the winding wheel.
The third aspect of the present invention provides a method of manufacturing a low temperature fuel filler tube, comprising the steps of:
providing a forming apparatus for a cryogenic fueller pipe as claimed in any one of the second aspects of the invention;
The method comprises the steps of S1, preparing wires, namely providing 20-30 coils of stainless steel wire coiled materials with the outer diameter of 0.1mm, respectively fixing the stainless steel wire coiled materials on a wire wheel, guiding the stainless steel wires to pass through the corresponding wire roller peripheral surface, and sequentially passing through the first gathering channel and a wire arranging gap to be connected with the large worker wheel;
The device comprises a driving structure, a wire cutting device, a large spool, a wire winding device, a wire feeding device and a wire feeding device, wherein the driving structure is used for providing power to drive the optical axis and the large spool to rotate so that the multi-strand metal wire passes through a wire arrangement space and then is wound on the large spool;
The plurality of large spool which is wound with the multi-strand metal wires are respectively sleeved on the mounting shaft on the rotating frame, and the multi-strand metal wires are led to sequentially pass through the second gathering channel and the forming die cavity and are connected with the winding wheel after passing through the circumferential surface of the winding guide wheel;
The method comprises the steps of starting a strand driving piece, a profiling driving piece and a rolling driving piece, driving a rotating frame to rotate by supplying power to the strand driving piece, driving a plurality of large spool on a mounting shaft to rotate, twisting a plurality of strands of metal wires wound on the surface of the large spool into metal ropes, driving a first pressing wheel and a second pressing wheel to rotate by the profiling driving piece, enabling a forming bottom die on the surface of the first pressing wheel to be meshed with a forming top die 431 on the surface of the second pressing wheel, extruding and forming the metal ropes in a forming die cavity, and rolling the formed metal ropes output by a profiling assembly onto a rolling wheel by supplying power to the rolling driving piece;
Cutting out a preset length of the formed metal rope on the winding wheel to obtain a lead;
s2, preparing an inner adhesive layer, namely providing an inner adhesive layer raw material, heating and extruding the inner adhesive layer raw material through an extruder to plasticize the inner adhesive layer raw material, and then extruding and molding through a die to obtain the inner adhesive layer;
s3, preparing a support layer, namely providing a plurality of strands of fiber yarns, and laminating and winding the fiber yarns on the outer surface of the inner adhesive layer through a braiding machine to obtain a first support layer;
Adhering the lead to the surface of the first supporting layer along the axial direction of the first supporting layer, wherein two ends of the lead extend out of two ends of the first supporting layer respectively;
providing a plurality of strands of fiber yarns, and laminating and winding the fiber yarns on the outer surfaces of the first supporting layer and the wires through a braiding machine to obtain a second supporting layer;
and S4, preparing an outer adhesive layer, namely providing an outer adhesive layer raw material, heating and extruding the outer adhesive layer raw material through an extruder to plasticize an inner adhesive layer raw material, extruding through a die, and coating the extruded rubber on the outer surface of the second supporting layer to form a uniform outer adhesive layer.
Compared with the prior art, the invention has the beneficial effects that:
According to the low-temperature oiling machine pipe, the first supporting layer and the second supporting layer are respectively arranged on the inner layer and the outer layer of the wire, and the wire is arranged between the two fiber layers by adopting a double-layer fiber braiding structure, so that the wire is prevented from sinking into the inner adhesive layer in the production process. Through setting up elasticity portion, make the wire can straighten and shrink like the spring when low temperature fueller pipe is crooked, the tensile load that greatly reduced received is difficult to produce fatigue fracture, guarantees that static can derive in time.
The invention discloses a forming device of a low-temperature oiling machine pipe, which is characterized in that a paying-off assembly is used for synchronously paying off a plurality of single-strand wires, a winding assembly is used for winding the plurality of single-strand wires which are synchronously paid out into a plurality of multi-strand wires in a twisting mode, a plurality of groups of multi-strand wires output by a twisting device are sent to a forming device, the plurality of groups of multi-strand wires are twisted into a metal rope by the twisting assembly, the metal rope is extruded and formed by the forming assembly, and finally the formed metal rope is wound by the winding assembly in a reciprocating mode, so that the production of the oiling machine pipe metal wire is realized. The preset shape can be extruded on the metal rope through the profiling assembly, so that the metal rope can have axial elastic force, static electricity can be timely led out when the metal rope is used as a lead in a oiling machine pipe, the lead of the oiling machine pipe is straightened and contracted like a spring when the oiling machine pipe is bent, the tensile load received by the metal rope is greatly reduced, and fatigue fracture is not easy to generate.
Drawings
FIG. 1 is a schematic view of a low temperature feeder tube according to embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view of a cryogenic oil feeder tube of example 1 of the invention;
FIG. 3 is a schematic view showing the structure of a wire of a low temperature feeder tube according to embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the structure of a wire according to another embodiment of the low temperature fuel filler pipe of example 1 of the present invention;
FIG. 5 is an enlarged view of a portion of the wire of the cryogenic oil feeder tube of example 1 of the present invention;
FIG. 6 is an enlarged view of a portion of a wire of another embodiment of the cryogenic oil feeder tube of example 1 of the present invention;
FIG. 7 is a schematic view showing the structure of a first support layer of a low temperature fuel filler pipe according to embodiment 1 of the present invention;
fig. 8 is a schematic view of the structure of a wire former of the low temperature feeder tube forming apparatus of embodiment 2 of the present invention;
fig. 9 is a schematic view of the structure of a pay-off assembly of a wire forming machine of a forming apparatus of a low-temperature filler pipe of embodiment 2 of the present invention;
FIG. 10 is a left side view of a payout assembly of a wire forming machine of a forming apparatus of a low temperature feeder tube according to embodiment 2 of the present invention;
FIG. 11 is a schematic view showing the structure of a traverse winding assembly of a wire former of a low temperature feeder tube forming apparatus according to embodiment 2 of the present invention;
FIG. 12 is a top view of a wire takeup assembly of a wire forming machine of the low temperature feeder tube forming apparatus of embodiment 2 of the present invention;
FIG. 13 is a schematic view showing the structure of a strand assembly and a profiling assembly of a wire former of a low temperature feeder tube forming apparatus according to example 2 of the present invention;
FIG. 14 is a top view of the profiling assembly of the wire former of the low temperature feeder tube forming apparatus of example 2 of the present invention;
fig. 15 is a schematic structural view of a winding assembly of a wire former of a low temperature feeder tube forming apparatus of embodiment 2 of the present invention.
10, Pay-off components, 11, pay-off frames, 111, wire axles, 1111, wire wheels, 112, bases, 113, upright posts, 114, beams, 12, lead frames, 121, lead drums, 13, a first stranding frame, 131, a first stranding steel wheel, 20, a wire winding component, 21, a wire winding frame, 22, a wire winding structure, 221, an optical axis, 222, a lead wheel, 23, a winding structure, 231, a large spool, 232, a large spool, 24, a driving structure, 30, a stranding component, 31, a forming frame, 311, a lead screw transmission structure, 312, a hand wheel, 32, a stranding driving member, 33, a rotating frame, 331, a mounting shaft, 34, a second stranding steel wheel, 40, a profiling component, 41, a profiling driving member, 42, a first pressing wheel, shaping, 43, a second pressing wheel, 431, a shaping top die, 432, a sliding bearing seat, 50, a winding component, 51, a winding driving member, 52, a winding frame, 53, a winding guide wheel, 54, a wheel, 91, a shaping frame, 92, a first supporting layer, a second supporting layer, a supporting layer, a layer, and an outer layer, and an elastic layer.
Detailed Description
The application will be further described with reference to the drawings and the detailed description, wherein it should be noted that, on the premise of no conflict, the embodiments or technical features described below can be arbitrarily combined to form new embodiments. Materials and equipment used in this example are commercially available, except as specifically noted. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically stated otherwise.
In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or may be connected through an intermediary, or may be connected between two elements or may be an interaction relationship between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1:
Referring to fig. 1-7, the embodiment provides a low-temperature oiling machine pipe, which comprises a main pipe body, wherein the main pipe body is provided with a pipe wall, a pipe cavity for oil to be conveyed to pass through is formed in the pipe wall, an inner adhesive layer 91, a first supporting layer 92, a second supporting layer 94 and an outer adhesive layer 95 are sequentially arranged on the pipe wall of the main pipe body from inside to outside, and a wire 93 is arranged between the first supporting layer 92 and the second supporting layer 94 and is electrically connected with the ground of the oiling machine. The wire 93 is formed with a plurality of elastic parts 931, and the elastic parts 931 are linearly arranged in the length direction of the wire 93 so that the wire 93 has an elastic force to be stretched or retracted in the axial direction of the main tube body.
In this embodiment, the first supporting layer 92 and the second supporting layer 94 are respectively disposed on the inner layer and the outer layer of the conductive wire 93, and the conductive wire 93 is arranged between the two fiber layers by adopting a double-layer fiber woven structure, so as to prevent the conductive wire 93 from sinking into the inner adhesive layer 91 during the production process. By arranging the elastic part 931, the lead 93 can be straightened and contracted like a spring when the low-temperature oiling machine pipe is bent, the tensile load is greatly reduced, fatigue fracture is not easy to occur, and static electricity can be timely led out.
Specifically, the primary purpose of the inner gel layer 91 is to make direct contact with the oil being transported, ensuring that no leakage or corrosion occurs. Nitrile rubber (NBR), fluororubber (FKM), polyethylene (PE), polyurethane (PU) and the like can be adopted, so that the rubber has corresponding low temperature resistance and excellent chemical stability in a low-temperature environment.
The main function of the outer glue layer 95 is to protect the low temperature feeder tube from external environments such as mechanical damage, uv rays, chemical corrosion, etc., while ensuring flexibility and durability of the low temperature feeder tube. Chlorinated polyethylene rubber (CPE), rubber-plastic alloy (NBR/PVC blend), fluororubber (FKM), polyurethane (PU), ethylene propylene rubber (EPDM) and the like can be adopted, and the anti-aging rubber has excellent weather resistance, oil resistance, flame retardance, low temperature resistance, abrasion resistance, ultraviolet resistance, corrosion resistance and the like.
Referring to fig. 7, the first support layer 92 and the second support layer 94 of the present embodiment are both woven from a plurality of strands of high-strength polyester fiber filaments, such as aramid fiber (Kevlar) or polyurethane, and the fiber filaments are preferably flat filaments, which have high flexibility, so that the fuel filler pipe maintains its mechanical properties and strength at low temperature, and has good cold resistance.
Referring to fig. 3, the elastic portion of the present embodiment may be in a zigzag shape, and a plurality of zigzag shapes are connected end to form a continuous conductive wire 93 embedded between the first supporting layer 92 and the second supporting layer 94, which has the advantages of simple structure and lower processing cost on the premise of ensuring excellent elastic force.
Referring to fig. 4-6, the elastic portion of the present embodiment may be S-shaped, and a plurality of S-shaped wires 93 are formed by connecting end to end and embedded between the first supporting layer 92 and the second supporting layer 94, and the S-shaped elastic portion has a rounded transition section, so that the durability is greatly improved under the premise of ensuring an excellent elastic force.
The wires 93 are formed by twisting a plurality of strands of metal wires, so as to form a metal rope structure as shown in fig. 5, and further improve the flexibility of the wires 93.
As one of the variations of the wire 93, the wire 93 may be formed by winding a single wire, so that the metal spring structure shown in fig. 6 is formed, and the ductility of the wire 93 in the axial direction is further improved, and the durability thereof is improved.
Of course, the shape of the elastic portion may be a combination of a zigzag shape and an S shape, which can provide elastic force for stretching or retracting the wire 93 in the axial direction of the main tube body.
The conducting wire 93 of this embodiment is buried between the first supporting layer 92 and the second supporting layer 94, and the conducting wire 93 has an arc adapted to the wall of the fuel dispenser pipe on the radial section of the main pipe body, so that it can be smoothly fixed on one side of the inside of the fuel dispenser pipe, and a connection surface attached to the first supporting layer 92 and the second supporting layer 94 on the inner side and the outer side is provided.
The wire 93 is formed by twisting a plurality of continuous round wires, which are stainless steel wires in this embodiment. Can maintain sufficient toughness and durability at low temperature.
In some embodiments, the middle adhesive layer is disposed between the first support layer 92 and the second support layer 94, and the middle adhesive layer is disposed between the two support layers to serve as a buffer structure, so that the first support layer 92 and the second support layer 94 are guaranteed to be bonded together, and early damage caused by mutual friction between the first support layer 92 and the second support layer 94 in the use process is prevented. Materials which can be used for the middle rubber layer include Fluororubber (FKM), polyurethane (PU), nitrile rubber (NBR) and the like, and the materials have good low temperature resistance, oil resistance and aging resistance, so that good interlayer adhesion, sealing property and mechanical strength of the oiling machine pipeline can be ensured to be still kept under the low temperature condition, and the problems of material embrittlement, interlayer separation or oil leakage caused by low temperature are avoided.
Further, the wire 93 of the present embodiment is formed by twisting 50-60 stainless steel wires having an outer diameter of 0.1mm, and the 50-60 stainless steel wires are divided into a plurality of strands twisted into a metal cord structure as shown in fig. 5 or a metal spring structure as shown in fig. 6.
External force is shared through the structure of the multi-strand filaments, so that the flexibility, low-temperature brittleness resistance, electric conductivity, fatigue resistance and the like of the lead 93 are improved, damage caused by uneven stress or external temperature change is reduced, and brittle fracture can be effectively prevented from occurring in a low-temperature environment.
In some embodiments, the pipe connector further comprises a first pipe connector and a second pipe connector, wherein the first pipe connector and the second pipe connector are respectively arranged at two ends of the main pipe body, the first pipe connector and the second pipe connector are both metal connectors, the wire 93 is arranged in parallel with the axis of the main pipe body, two ends of the wire 93 respectively extend from two opposite ends of the main pipe body, and two ends of the wire 93 are respectively connected with the first pipe connector and the second pipe connector. The lead 93 is connected with the metal joints at the two ends of the main pipe body to release static electricity in time, so that deflagration accidents of the gas station are prevented.
The low-temperature fuel filler pipe with high static electricity conducting safety performance is also suitable for fuel filler pipe products which are limited by using sites and are required to be soft and easy to install and bend due to the use sites, such as marine fuel filler pipes.
Example 2:
referring to fig. 8-15, the present embodiment provides a molding apparatus for a low temperature fuel filler pipe, which is mainly used for processing the low temperature fuel filler pipe according to embodiment 1, and includes:
an extruder for molding the inner adhesive layer 91 and the outer adhesive layer 95;
a braiding machine for braiding the first support layer 92 and the second support layer 94;
the wire forming machine comprises a stranding device and a forming device;
Specifically, the inner adhesive layer 91 and the outer adhesive layer 95 of this embodiment are extruded by a screw extruder, and in some embodiments, a three-roll calender is further included, wherein the three-roll calender is used for forming the middle adhesive layer, the braiding machine may be a single-disc braiding machine, the first support layer 92 and the second support layer 94 are separately braided twice, or a double-disc braiding machine may be used, and the first support layer 92, the middle adhesive layer, the wires 93 and the second support layer 94 are braided and formed once.
The extruder and the braiding machine are all of the existing structures, and those skilled in the art can understand that the wire forming machine of the embodiment comprises a stranding device and a forming device;
the stranding device comprises a paying-off assembly 10 and a winding-up assembly 20 which are sequentially arranged, wherein the paying-off assembly 10 is used for synchronously paying off a plurality of single-strand wires, and the winding-up assembly 20 is used for carrying out winding-up on the plurality of single-strand wires synchronously paying out so as to avoid overlapping and stranding and winding the plurality of single-strand wires into a plurality of strands of wires.
The forming device is in butt joint with the stranding device and is used for stranding, forming and rolling a plurality of groups of multi-strand metal wires output by the stranding device, the forming device comprises a stranding assembly 30, a profiling assembly 40 and a rolling assembly 50, the stranding assembly 30 is used for stranding the plurality of groups of multi-strand metal wires into metal ropes, the profiling assembly 40 is used for extrusion forming of the metal ropes, and the rolling assembly 50 is used for rolling the formed metal ropes.
Referring to fig. 9-10, the paying-off assembly 10 includes a paying-off frame 11, a wire frame 12 and a first stranding frame 13, wherein a plurality of wire axles 111 are arranged on the paying-off frame 11, wire wheels 1111 are sleeved on the wire axles 111, the wire wheels 1111 are used for fixing single-strand wire coiled materials, the wire frame 12 is arranged at the top of the paying-off frame 11, a wire roller 121 is rotatably connected to the wire frame 12, the first stranding frame 13 is arranged at one side of the wire frame 12, a first stranding steel wheel 131 is fixed on the first stranding frame 13, and a first gathering channel for a plurality of single-strand wires to pass through is formed in the first stranding steel wheel 131.
In the production process, the wire wheels 1111 on the wire wheel shafts 111 synchronously discharge a plurality of single-strand wires, and the plurality of single-strand wires are guided by the wire guide roller 121 to enter the first gathering channel of the first stranding steel wheel 131 to gather to form a group of multi-strand wires.
The pay-off rack 11 in this embodiment includes a base 112, upright posts 113 and cross beams 114, wherein the base 112 is fixed on the ground through supporting legs, the upright posts 113 of the two upright posts 113 are vertically fixed at two ends of the base 112, a plurality of cross beams 114 are linearly arrayed on the upright posts 113 along the height direction, and two sides of the cross beams 114 are provided with outwards extending inclined parts which are used for being rotationally connected with the wire wheel shafts 111, so that the tail ends of the wire wheel shafts 111 are obliquely arranged at two sides of the cross beams 114 upwards, and the wire wheel 1111 is prevented from being separated from the wire wheel shafts 111.
The wire wheel shafts 111 are arranged on the beam 114 in a rectangular array manner, the wire guide rollers 121 are arranged at the tops of the wire wheel shafts 111 of each vertical row, the horizontal distance between the wire wheel shafts 111 of each vertical row and the wire guide rollers 121 from top to bottom is gradually reduced, and a space is reserved for the passing of the wires, so that the wires cannot interfere with each other.
The wire axles 111 are arranged on two sides of the pay-off rack 11 in this embodiment, the wire axles 111 are arranged on the pay-off rack 11 in a matrix array of 3*5, namely, the number of crossbeams 114 is 5, and 3 wire axles 111 are fixed on the inclined portion on one side of each layer of crossbeams 114, so that 30 wire axles 111 can be accommodated in one pay-off rack 11, 30 metal wires can be stranded into a coil, and the production requirements of stainless steel wire wires 93 with smaller stranded outer diameters and more numbers of the oiling machine pipes are met.
Referring to fig. 11-12, the winding assembly 20 of the present embodiment includes a winding frame 21, on which a winding structure 22, a winding structure 23 and a driving structure 24 are mounted;
The flat cable structure 22 is in butt joint with the pay-off assembly 10, the flat cable structure 22 comprises an optical axis 221 and a wire guide wheel 222 which are rotatably connected with the flat cable coiling frame 21, the optical axis 221 flat cable device and the wire guide wheel 222 form a flat cable gap for a plurality of wires to pass through, the height of the flat cable gap is matched with the diameter of a single wire, the surface of the optical axis 221 is smooth and can be used for the wires to slide on, when the wires are overlapped, the overlapped wires are blocked by the flat cable gap and slide along the surface of the optical axis 221, so that the overlapped wires are separated and are orderly arranged and conveyed to the coiling mechanism.
The coiling structure 23 comprises a large spool 232, and the large spool 232 is provided with a large spool 231 for coiling a plurality of strands of wires;
the driving structure 24 has an output shaft, the output shaft is in transmission connection with the large i-shaped wheel shaft 232, and the output shaft is in transmission connection with the optical axis 221 through a chain sprocket;
The driving structure 24 provides power to drive the optical axis 221 and the large spool 232 to rotate, the active rotation of the optical axis 221 actively combs the multi-strand wires passing through the flat cable structure 22, the multi-strand wires pass through the flat cable gap and are wound on the large spool 231 in order, and the stranding device outputs a plurality of groups of large spools 231 wound with the multi-strand wires to the forming device.
The molding device shown in reference 13-15 has a molding frame 31 and a winding frame 52, wherein the molding frame 31 is used for fixing the strand assembly 30 and the molding assembly 40, the strand assembly 30 and the molding assembly 40 are respectively disposed at two opposite ends of the molding frame 31, and the winding frame 52 is used for fixing the winding assembly 50.
The second stranding steel wheel 34 is fixed on the forming rack 31 through the second stranding frame, and a second gathering channel for a metal rope to pass through is formed in the second stranding steel wheel 34;
The rotary frame 33 is fixed on the output shaft of the strand driving piece 32, a mounting shaft 331 is fixed on the rotary frame 33, the mounting shaft 331 is arranged along the radial direction of the output shaft, and a plurality of groups of large I-shaped wheels 231 wound with a plurality of strands of metal wires are sleeved on the mounting shaft 331;
the power provided by the strand driving piece 32 drives the rotating frame 33 to rotate, drives the plurality of large spool 231 on the mounting shaft 331 to rotate, and twists a plurality of strands of metal wires wound on the surface of the large spool 231 into metal ropes, and the metal ropes pass through the second gathering channel to gather and then are sent to the profiling assembly 40.
13-14, Profiling assembly 40 includes profiling drive 41, first puck 42, and second puck 43;
The first pressing wheel 42 and the second pressing wheel 43 are both rotatably connected to the molding frame 31, a molding bottom die 421 is provided on the surface of the first pressing wheel 42, a molding top die 431 is formed on the surface of the second pressing wheel 43, and a molding cavity is formed between the molding bottom die 421 and the molding top die 431 when the molding bottom die 421 is meshed with the molding top die 431;
the profiling driving piece 41 is fixed in through the motor frame shaping frame 31, profiling driving piece 41 has the output shaft, profiling driving piece 41 output shaft pass through drive assembly respectively with first pinch roller 42, second pinch roller 43 transmission connection, through profiling driving piece 41 drive first pinch roller 42, second pinch roller 43 rotate, make the shaping die 421 on first pinch roller 42 surface and the shaping top die 431 on second pinch roller 43 surface mesh, carry out extrusion to the metal rope in the shaping die cavity.
Further, the second pressing wheel 43 is connected with the forming frame 31 through a sliding bearing seat 432, so that the second pressing wheel 43 can be close to or far away from the first pressing wheel 42, the sliding bearing seat 432 is connected with the forming frame 31 through a screw rod transmission structure 311, a hand wheel 312 is arranged at the end of the screw rod transmission structure 311, the sliding bearing seat 432 is translated on the forming frame 31 through rotating the hand wheel 312, and the second pressing wheel 43 can be close to or far away from the first pressing wheel 42, so that the width of a forming die cavity is adjusted.
The molding die cavity can be an S-shaped die cavity or a zigzag-shaped die cavity, so that a continuous S-shaped or zigzag-shaped end-to-end connection is formed on the metal rope in the molding die cavity, and the metal wire finished product produced by the metal wire stranding and molding device of the embodiment has certain axial elastic force, so that the wire 93 is straightened and contracted like a spring when the oiling machine pipe is bent, the tensile load is greatly reduced, fatigue fracture is not easy to generate, and static electricity can be timely led out.
Referring to fig. 15, the winding assembly 50 includes a winding driving member 51, a winding guide wheel 53 and a winding wheel 54, wherein the winding guide wheel 53 is rotatably connected to the winding frame 52, the winding guide wheel 53 is in butt joint with the profiling assembly 40, the winding wheel 54 is rotatably connected to the winding frame 52, the winding driving member 51 has an output shaft, and the output shaft of the winding driving member 51 is rotatably connected with the winding wheel 54. The direction and position of the formed metal rope are guided by the winding guide wheel 53, the winding direction and position of the formed metal rope are controlled, the tension of the formed metal rope is regulated to a certain extent, and the formed metal rope output by the profiling assembly 40 is orderly wound on the winding wheel 54 by providing power through the winding driving piece 51.
In other embodiments, an arc pressing assembly may be further disposed between the profiling assembly 40 and the winding assembly 50, where the arc pressing assembly is used to form an arc adapted to the main pipe body on the cross section of the profiled metal cord, so that the wires 93 made by the profiled metal cord may be better fitted with the first support layer 92 and the second support layer 94. The arc pressing assembly comprises a third pressing wheel and a fourth pressing wheel which are meshed with each other, the third pressing wheel and the fourth pressing wheel are both rotationally connected to the forming rack 31, arc protrusions are formed in the circumferential direction of the third pressing wheel, arc recesses are formed in the circumferential direction of the fourth pressing wheel, the arc protrusions are matched with the arc recesses, and accordingly arc gaps are formed between the third pressing wheel and the fourth pressing wheel, and when formed metal ropes pass through the arc gaps, corresponding radians are extruded on the cross sections of the formed metal ropes.
The forming equipment of the low-temperature oiling machine pipe of the embodiment synchronously pays out a plurality of single-stranded wires through a paying-off assembly 10, is used for stranding and winding the plurality of single-stranded wires synchronously payed out through a wire arranging and winding assembly 20 to form a plurality of multi-stranded wires, a plurality of groups of multi-stranded wires output by a stranding device are sent to a forming device, the plurality of groups of multi-stranded wires are stranded into metal ropes through a stranding assembly 30, the metal ropes are extruded and formed through a profiling assembly 40, and finally the formed metal ropes are wound through a winding assembly 50 to reciprocate in such a way, so that the production of the oiling machine pipe metal wires is realized. The preset shape can be extruded on the metal rope through the profiling assembly 40, so that the metal rope can have axial elastic force, static electricity can be timely led out when the metal rope is used as the lead 93 in the oiling machine pipe, the lead 93 is straightened and contracted like a spring when the oiling machine pipe is bent, the tensile load received by the metal rope is greatly reduced, and fatigue fracture is not easy to generate.
Example 3:
The present embodiment provides a method for manufacturing a low-temperature fuel filler pipe on the basis of embodiment 2, comprising the steps of:
providing a molding apparatus for a cryogenic tank nozzle as described in example 2;
S1, preparing a wire 93, namely providing 20-30 coils of stainless steel wire coiled materials with the outer diameter of 0.1mm, and passing the stainless steel wire coiled materials through a wire forming machine to obtain the wire 93;
s2, preparing an inner adhesive layer 91, namely providing an inner adhesive layer raw material, heating and extruding the inner adhesive layer raw material through an extruder to plasticize the inner adhesive layer raw material, and then extruding and molding through a die to obtain the inner adhesive layer 91;
S3, preparing a support layer, namely providing a plurality of strands of fiber yarns, and laminating and winding the fiber yarns on the outer surface of the inner adhesive layer 91 through a braiding machine to obtain a first support layer 92;
adhering the wires 93 to the surface of the first support layer 92 along the axial direction of the first support layer 92, wherein two ends of the wires 93 respectively extend out from two ends of the first support layer 92;
Providing a middle adhesive layer raw material, extruding the middle adhesive layer raw material into a film with the thickness of about 0.3-0.4mm by a three-roller calender, dividing the film into a plurality of continuous middle adhesive strips by a cutter according to the width required by production specifications before the film is led out of a roller, conveying the middle adhesive strips to an isolating powder groove by a conveying belt, and collecting the isolating powder to ensure that isolating powder is adhered uniformly and prevent the film from sticking;
providing a plurality of strands of fiber yarns, and laminating and winding the fiber yarns on the outer surfaces of the middle adhesive layer and the wires 93 through a braiding machine to obtain a second supporting layer 94;
And S4, preparing the outer adhesive layer 95, namely providing an outer adhesive layer raw material, heating and extruding the outer adhesive layer raw material through an extruder to plasticize the outer adhesive layer raw material, extruding the outer adhesive layer raw material through a die, and coating the extruded rubber on the outer surface of the second supporting layer 94 to form the uniform outer adhesive layer 95.
The preparation steps of the S1 lead 93 specifically comprise providing 20-30 rolls of stainless steel wire coiled materials with the outer diameter of 0.1mm, respectively fixing the stainless steel wire coiled materials on a wire wheel 1111, guiding the stainless steel wires to pass through the corresponding peripheral surface of a lead roller 121, and sequentially passing through the first gathering channel and a wire arranging gap to be connected with the large work wheel;
the driving structure 24 is started, the optical axis 221 and the large spool 232 are driven to rotate by the power provided by the driving structure 24, so that the multi-strand metal wire is wound on the large spool 231 after passing through the line space;
The plurality of large spool 231 wound with the multi-strand wires are respectively sleeved on the installation shaft 331 on the rotary frame 33, and the multi-strand wires are led to sequentially pass through the second gathering channel and the forming die cavity and are connected with the winding wheel 54 after passing through the circumferential surface of the winding guide wheel 53;
The method comprises the steps of starting a strand driving piece 32, a profiling driving piece 41 and a winding driving piece 51, driving a rotating frame 33 to rotate by supplying power to the strand driving piece 32, driving a plurality of large spool 231 on a mounting shaft 331 to rotate, twisting a plurality of strands of metal wires wound on the surface of the large spool 231 into metal ropes, driving a first pressing wheel 42 and a second pressing wheel 43 to rotate by the profiling driving piece 41, enabling a forming bottom die 421 on the surface of the first pressing wheel 42 to be meshed with a forming top die 431 on the surface of the second pressing wheel 43, extruding and forming the metal ropes in a forming die cavity, and winding the formed metal ropes output by a profiling assembly 40 onto a winding wheel 54 by supplying power to the winding driving piece 51;
the formed metal cord on the take-up reel 54 is cut out to a predetermined length to obtain the lead 93.
The step of preparing the S3 support layer of the above embodiment is performed by a single-disc braiding machine, and as a modification of the step of preparing the S3 support layer, another embodiment of the step of preparing the S3 support layer is provided below, and the step of preparing the S3 support layer of the following embodiment is performed by a double-disc braiding machine:
The preparation step of the S3 supporting layer comprises the following steps:
Providing a middle adhesive layer raw material, extruding the middle adhesive layer raw material into a film with the thickness of about 0.3-0.4mm by a three-roller calender, dividing the film into a plurality of continuous middle adhesive strips by a cutter according to the width required by production specifications before the film is led out of a roller, conveying the middle adhesive strips to an isolating powder groove by a conveying belt for collection, ensuring that isolating powder is adhered uniformly, and preventing the film from sticking;
Providing a plurality of strands of fiber yarns, laminating and winding the fiber yarns on the outer surface of the inner adhesive layer 91 through a double-disc braiding machine to form a first braiding layer, gradually feeding the middle adhesive tape to wrap the surface of the first braiding layer, gradually feeding the conducting wires 93 to be attached to the surface of the middle adhesive tape along the axial direction of the first braiding layer, laminating and winding the fiber yarns on the outer surfaces of the middle adhesive tape and the conducting wires 93 through the double-disc braiding machine to form a second braiding layer, combining the middle adhesive tape, the conducting wires 93 and the first braiding layer into a whole, and braiding and forming the first supporting layer 92, the middle adhesive layer, the conducting wires 93 and the second supporting layer 94 at one time in a reciprocating manner, so that the production efficiency is greatly improved.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510030054.0A CN119826001A (en) | 2025-01-08 | 2025-01-08 | Low-temperature oiling machine pipe and forming equipment and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510030054.0A CN119826001A (en) | 2025-01-08 | 2025-01-08 | Low-temperature oiling machine pipe and forming equipment and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119826001A true CN119826001A (en) | 2025-04-15 |
Family
ID=95306080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510030054.0A Pending CN119826001A (en) | 2025-01-08 | 2025-01-08 | Low-temperature oiling machine pipe and forming equipment and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119826001A (en) |
-
2025
- 2025-01-08 CN CN202510030054.0A patent/CN119826001A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7845069B2 (en) | Methods for forming armored cable assembly | |
| EP2021407B1 (en) | Cable and process for manufacturing the same | |
| CN102800390A (en) | Load-bearing compression-resisting cable for moving occasions and manufacturing method thereof | |
| EP1047818B1 (en) | Method of and apparatus for making twisted cable and the cable produced thereby | |
| CN114005584B (en) | Anti-torsion shielding control cable | |
| CN102568680A (en) | Wind energy cable and production method thereof | |
| CN100591840C (en) | Wrapped Cable | |
| US7617847B1 (en) | Apparatus and method for forming wire | |
| CN112102981B (en) | Metal-clad composite molded line stranded reinforced core overhead conductor and manufacturing method thereof | |
| CN111180114A (en) | A kind of manufacturing method of cold-resistant hollow-core cable | |
| CN211628720U (en) | High Strength Tensile Signal Transmission Reel Cable | |
| CN119826001A (en) | Low-temperature oiling machine pipe and forming equipment and manufacturing method thereof | |
| CN112164514B (en) | Winding photoelectric composite cable for mining engineering and production process | |
| CN218939268U (en) | Tensile, wear-resistant and winding-resistant reel cable for mobile equipment | |
| CN113808784A (en) | High-flexibility towline cable | |
| CN116844770A (en) | Bending-resistant mining cable and preparation method thereof | |
| CN211181729U (en) | New energy cooling cable for low-temperature environment | |
| CN112064383A (en) | Improved composite material rope structure | |
| CN216053917U (en) | High-flexibility towline cable | |
| CN212587239U (en) | Winding dragging cable for underground mining engineering | |
| US7322220B2 (en) | Apparatus for manufacturing trapezoidal wire using two-set shaping rollers | |
| US3099932A (en) | Method and apparatus for stranding and braiding | |
| CN107068257A (en) | Photoelectricity composite water-proof and water repellent electric cable | |
| CN115691867B (en) | Tensile, wear-resistant and anti-winding drum cable for mobile equipment and its preparation process | |
| CN202003725U (en) | Butyronitrile-polyvinyl chloride compound flame-retardant elastomer insulated and sheathed flat flexible cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |