CN114261120A - Manufacturing method and equipment of socket type winding structure wall pipe - Google Patents
Manufacturing method and equipment of socket type winding structure wall pipe Download PDFInfo
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- CN114261120A CN114261120A CN202111355652.3A CN202111355652A CN114261120A CN 114261120 A CN114261120 A CN 114261120A CN 202111355652 A CN202111355652 A CN 202111355652A CN 114261120 A CN114261120 A CN 114261120A
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Abstract
The invention relates to the technical field of socket type winding structure wall pipes and discloses a manufacturing method of a socket type winding structure wall pipe, wherein a socket pipe fitting is manufactured through injection molding, and one end of the manufactured socket pipe fitting is extended to form an overlap joint section; sleeving the bell and spigot pipe fitting on the steel die, and carrying out hot melting on the lap joint section; and finally, rotating the steel die, wherein in the rotating process of the steel die, the winding machine moves from the lap joint section along the direction away from the bell and spigot pipe fitting, and meanwhile, the material extruded by the winding machine is coated on the steel die to form a pipe body, so that the cost can be reduced, the product size is stable, the precision is high, and the production efficiency is high. The invention also provides manufacturing equipment of the socket type winding structure wall pipe, which is used for realizing the method and is convenient to use.
Description
Technical Field
The invention relates to the technical field of socket type winding structure wall pipes, in particular to a manufacturing method and equipment of a socket type winding structure wall pipe.
Background
The hollow winding structure wall pipe is a structure wall pipe made of High Density Polyethylene (HDPE) as raw material by adopting thermal state winding forming process, and is suitable for municipal drainage, building outdoor drainage, buried farmland drainage, industrial pollution discharge, road drainage, sewage treatment plants, playground square engineering drainage, electric telecommunication engineering and the like with the water conveying temperature below 45 ℃. The hollow winding structure wall pipe is a novel acid-resistant, corrosion-resistant, pressure-resistant and nontoxic green environment-friendly pipe, belongs to an environment-friendly and energy-saving high and new technology product, and has important significance for saving energy, reducing pollution and protecting environment.
In long distance's transport, need adopt a plurality of tubular products to connect gradually, set up socket joint pipe fitting through the tip at tubular product at present and come to carry out socket joint with other tubular products and be connected. The existing manufacturing method of the socket winding structure wall pipe comprises three methods: (1) the method is generally applied to the connection of water supply pipelines, the connection mode needs that the pipe has enough thickness, the end face is smooth and has good roundness, the connection is not applicable to the pipe with thin wall thickness, and the conditions of connection dislocation and insufficient strength can easily occur when the pipe is used reluctantly; (2) firstly, processing a pipe, finishing the end face to be flush, and then putting the pipe into an injection molding bell and spigot of an injection molding machine for cooling and molding, wherein the method has higher requirement on the size of the inner diameter and the outer diameter of the pipe, the glue leakage condition is easy to occur after the tolerance is exceeded, and the problem that the pipe cannot be molded is easy to occur when the injection molding pressure is insufficient; (3) the pipe fitting is machined after being integrally formed, however, the socket expands with heat and contracts with cold, so that the precision fluctuation after machining is large; because of the wall thickness of real wall bell and spigot can not unlimited increase, the interface is difficult to be supporting with the inspection shaft product, and the thickening can increase the cost moreover, if adopt the adaptor mode, can increase the cost of construction, still can increase the risk of connecting the seepage.
Chinese invention patent application CN102233673A (published as 2011, 11/09/h) discloses a process for manufacturing a socket pipe with a plastic winding structure wall, which comprises cutting a pipe with a plastic winding structure wall into 6000mm in length according to the size; placing the plastic winding structure wall pipe on a pipe support, pushing one end of the plastic winding structure wall pipe with the length of 200mm into an opened opening and closing die as a fusion end, closing the opening and closing die, pushing a movable template into the opening and closing die by an oil cylinder, closing the movable template and the opening and closing die, starting a heating device in the opening and closing die, heating to 80 ℃, and baking the fusion end; meanwhile, the PE material for the extruder is melted at the constant temperature of 180 ℃, the PE thermoplastic material is extruded into the opening and closing die by the extruder within 6 minutes to form a flaring head fused with the fused end of the plastic winding structure wall pipe, after the extrusion process is finished, the opening and closing die is cooled for 10 minutes by water, the flaring head is cooled and shaped to form the plastic winding structure wall socket pipe, the movable die plate is separated from the opening and closing die under the action of the oil cylinder, the die core is drawn out, the opening and closing die is opened again, the plastic winding structure wall socket pipe is taken out, and the plastic winding structure wall socket pipe is inspected and warehoused after the flash is removed. The method is characterized in that a socket pipe fitting is formed by injection molding after the end part of a pipe is hot-melted, firstly, a die of the socket pipe fitting is complex to manufacture, and if pipes with various specifications are to be produced, dies of various socket pipe fittings need to be manufactured, and the replacement is troublesome; secondly, the end part of the pipe needs to be accurately and faultlessly connected with a die of the bell and spigot pipe fitting, so that the difficulty is high, the error is easy, the unqualified conditions such as bell and spigot position deviation are caused, and the efficiency is low; in addition, the requirement on the inner and outer diameter sizes of the pipe is high, the glue leakage condition is easy to occur after the tolerance is exceeded, the problem that the pipe cannot be formed easily occurs when the injection pressure is insufficient, and the end part of the pipe needs to be trimmed and then injection molding is carried out to form a bell and spigot pipe.
Disclosure of Invention
The invention aims to provide a manufacturing method and equipment of a socket type winding structure wall pipe, which has stable product size, high precision and high production efficiency.
In order to achieve the purpose, the invention provides a manufacturing method of a socket type winding structure wall pipe, which comprises the following steps:
s1, manufacturing a socket pipe fitting through injection molding, wherein one end of the manufactured socket pipe fitting is extended to form an overlap joint section;
s2, sleeving the bell and spigot pipe fitting on the steel die, and carrying out hot melting on the lap joint section;
and S3, rotating the steel die, wherein in the rotating process of the steel die, the winding machine moves from the lap joint section in the direction away from the bell and spigot pipe fitting, and meanwhile, the material extruded by the winding machine is coated on the steel die to form a pipe body.
Preferably, in step S2, the overlapping section is internally and externally heated.
Preferably, the steel die is heated by induction heating to internally heat the overlapping section, and the outer surface of the overlapping section is irradiated by radiation to externally heat the overlapping section.
The invention also provides manufacturing equipment of the socket type winding structure wall pipe, which comprises a winding machine, a steel die, a heating device, a fixing device and a driving device, wherein the end part of the steel die is detachably arranged on the fixing device, the driving device is in transmission connection with the fixing device so as to drive the steel die to rotate, the winding machine is positioned on one side of the steel die and can move along the axial direction of the steel die, and the heating device is arranged close to the end part of the steel die.
Preferably, the heating device comprises an external heating mechanism, the external heating mechanism comprises an external heater and a first moving mechanism, and the external heater is rotatably connected to the first moving mechanism to drive the external heater to move in a direction close to or far away from the steel die.
Preferably, the first moving mechanism comprises a first support and a telescopic cylinder connected to the first support, the external heater is rotatably connected to the extending end of the telescopic cylinder, and the telescopic cylinder is obliquely arranged and the extending end of the telescopic cylinder faces upwards.
As preferred scheme, first moving mechanism still includes first gag lever post, be equipped with the mounting panel on the first support, be equipped with first mounting hole and second mounting hole on the mounting panel, telescopic cylinder with the mounting panel is connected and its end that stretches out passes first mounting hole, first gag lever post is worn to locate in the second mounting hole, just the one end of gag lever post with telescopic cylinder's the end that stretches out is connected, the other end of gag lever post is equipped with the stopper.
Preferably, the heating device comprises an internal heating mechanism, the internal heating mechanism comprises an internal heater, and the internal heater is arranged below the steel die.
Preferably, the internal heater comprises an induction coil and an induction module, the induction coil is arranged above the induction module, and the induction coil is electrically connected with the induction module.
As a preferred scheme, the winding machine further comprises a pressing wheel capable of moving along the axial direction of the steel die, the pressing wheel is located on one side of the steel die, the pressing wheel can move along the direction perpendicular to the axial direction of the steel die, the winding machine comprises a plate extrusion device and a pipe extrusion device, and the plate extrusion device, the pressing wheel and the pipe extrusion device are sequentially arranged along the axial direction of the steel die.
Compared with the prior art, the invention has the beneficial effects that:
the method of the invention firstly manufactures the bell and spigot pipe fitting by injection molding, then the bell and spigot pipe fitting is sleeved on the steel die, the pipe body is formed by wrapping and extending the lapping section of the extrusion material of the winding machine and the bell and spigot pipe fitting, the bell and spigot pipe fitting is formed into the bell and spigot structure wall pipe after cooling, the bell and spigot pipe fitting is of the injection structure wall structure, the structure wall structure can be manufactured into different heights, the cost difference is not large, bell and spigot pipe fittings with various structures can be manufactured, the bell and spigot pipe fitting is connected with the pipe body in a wrapping and lapping mode and can be simultaneously suitable for the connection of the pipe with the thick-thin wall structure, the integration of the pipe fitting and the pipe body is good, the product size is stable, the precision is high, in addition, the bell and spigot pipe fitting which is molded only needs to be sleeved on the steel die, the connection is convenient, the efficiency is high, and the end part of the pipe does not need to be trimmed.
The manufacturing equipment can be used for sleeving injection-molded bell and spigot pipe fittings by arranging the steel die, the lap joint section of the bell and spigot pipe fitting is subjected to hot melting through the heating device so as to be fused with the material of the pipe body, connection is realized, the fixing device for fixing the steel die is driven to rotate through the driving device, the steel die is driven to rotate, the heating device can be convenient for circumferentially heating the lap joint section of the bell and spigot pipe fitting sleeved on the steel die, and the winding machine positioned on one side of the steel die can wind the pipe body only by moving, so that the use is convenient.
Drawings
Fig. 1 is a flow chart of a manufacturing method of a socket-wound structural wall pipe according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of the forming of the socket pipe fitting of the first, second and third embodiments of the present invention by positioning, cladding and winding the pipe body on the steel die.
Fig. 3 is a first perspective structural diagram of a manufacturing apparatus for socket-wound structural wall pipe according to a third embodiment of the present invention.
Fig. 4 is a second perspective structural diagram of a manufacturing apparatus for socket-wound structural wall pipe according to a third embodiment of the present invention.
FIG. 5 is a schematic cross-sectional view of the end of a steel die of example three of the present invention.
In the drawings, 1-a socket pipe fitting; 2-a lap joint section; 3-steel molding; 301-connection hole; 4-a tube body; 5-driving wheels; 6-external heater; 7-a first scaffold; 8-a telescopic cylinder; 9-a first stop lever; 10-mounting a plate; 11-a limiting block; 12-an induction coil; 13-a sensing module; 14-a second support; 15-a lifting device; 16-a base; 17-a second stop bar; 18-a fixed plate; 19-a limiting head; 20-a moving wheel; 21-a screw rod; 22-screw slide block; 23-a hand wheel; 24-a pinch roller; 25-a sheet extrusion device; 26-a pipe material extrusion device; 27-positioning column.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, a manufacturing method of a socket-wound structured wall pipe according to a preferred embodiment of the present invention includes the following steps:
s1, manufacturing a socket pipe fitting 1 through injection molding, and extending one end of the manufactured socket pipe fitting 1 to form an overlap joint section 2;
s2, sleeving the bell and spigot pipe fitting 1 on the steel die 3, and carrying out hot melting on the lap joint section 2;
s3, rotating the steel die 3, wherein in the rotating process of the steel die 3, the winding machine moves from the lap joint section 2 along the direction far away from the bell and spigot pipe fitting 1, and meanwhile, the material extruded by the winding machine is coated on the steel die 3 to form a pipe body 4. As shown in fig. 2.
In the embodiment, the bell and spigot pipe fitting 1 is manufactured by injection molding, then the bell and spigot pipe fitting 1 is sleeved on the steel die 3, the material extruded by the winding machine is wrapped and extended with the lap joint section 2 of the bell and spigot pipe fitting 1 to form a pipe body 4, and a bell and spigot winding structure wall pipe is formed after cooling, so that the bell and spigot pipe fitting 1 is of an injection structure wall structure which can be manufactured to different heights with small cost difference, the bell and spigot pipe fittings 1 with various structures can be manufactured, the connection of the bell and spigot pipe fittings 1 and the pipe body 4 adopts a cladding lap joint mode, can be adapted to the connection of the pipes with thick and thin wall structures, the integration of the pipe and the pipe body is good, the product dimension is stable, the precision is high, the interchangeability is good, in addition, the injection-molded socket pipe fitting 1 only needs to be sleeved on the steel die 3, so that the connection is convenient, the efficiency is high, the end part of the pipe does not need to be trimmed, the flow is reduced, and the time and the cost are saved.
Example two
The difference between the first embodiment and the first embodiment is that, on the basis of the first embodiment, in step S2, the inside and outside of the lap joint section 2 are heated, so that the heating efficiency is improved, the lap joint section 2 is heated uniformly and is sufficiently fused with the material extruded by the winding machine, the structural strength of the joint of the pipe body 4 and the bell and spigot pipe fitting 1 is improved, the inner and outer walls of the pipe can be smooth, and the deformation problem of a single heating pipe fitting is avoided. This embodiment is earlier to overlap joint section 2 carry out interior heating, carries out external heating again. In this embodiment, when the portion of the steel die 3 covered by the overlap section 2 is heated to 50% of the temperature required for the molten state of the pipe by internal heating, external heating is performed.
In the present embodiment, the steel mold 3 is increased in temperature by induction heating to internally heat the overlap section 2, and the outer surface of the overlap section 2 is irradiated by radiation to externally heat the overlap section 2. Through induction heating, can make steel mould 3 need not external, avoid hindering steel mould 3 and rotate, and can be under the condition that does not harm bell and spigot pipe fitting 1, with the relative part heating of steel mould 3 and overlap joint section 2. Induction heating is to generate current inside a heated metal material by using an electromagnetic induction method, and the heating purpose is achieved by means of the energy of the eddy current. Through radiant heating, the external heating of the lap joint section 2 is non-contact heating, so that the material extruded by the winding machine can conveniently coat the lap joint section 2 and wind from the lap joint section 2 to form the pipe body 4. This embodiment adopts infrared radiation heating, realizes the local heating to the long overlap joint section 2 of thinness of bell and spigot pipe fitting 1 moreover, and bell and spigot pipe fitting 1's other places can not the overheat deformation. In this embodiment, the overlapping section 2 is heated to a molten state and then clad and overlapped.
In addition, the tip of the steel mould 3 of this embodiment is the variable diameter structure, and the tip of steel mould 3 closes earlier before bell and spigot pipe fitting 1 cup joints promptly, makes the diameter of the tip of steel mould 3 diminish, easily embolias bell and spigot pipe fitting 1, fixes a position the back with bell and spigot pipe fitting 1, and the tip of steel mould 3 opens, even the diameter grow of the tip of steel mould 3 lets bell and spigot pipe fitting 1 rise tightly on steel mould 3, avoids bell and spigot pipe fitting 1 to shift. This embodiment sets up a plurality of reference columns 27 through the tip at steel mould 3, and reference column 27 just can follow the radial movement of steel mould 3 along the radial setting of steel mould 3, and before suit socket pipe fitting 1, reference column 27 withdrawal, cup joints behind steel mould 3 at socket pipe fitting 1, and reference column 27 stretches out, supports the inner wall at socket pipe fitting 1, realizes tight location that rises.
It should be noted that the socket pipe fitting 1 described in this embodiment is a pipe fitting for socket at the end of a pipe, and may be a socket or a spigot.
Other steps in this embodiment are the same as those in the first embodiment, and are not described herein again.
EXAMPLE III
As shown in fig. 2 and 4, a manufacturing apparatus for a socket-and-spigot winding structure wall pipe according to a preferred embodiment of the present invention includes a winding machine, a steel die 3, two heating devices, a fixing device, and a driving device, wherein an end portion of the steel die 3 is detachably mounted on the fixing device, the driving device is in transmission connection with the fixing device to drive the steel die 3 to rotate, the winding machine is located at one side of the steel die 3 and can move along an axial direction of the steel die 3, and the two heating devices are respectively disposed near two ends of the steel die 3. The manufacture equipment of this embodiment is through setting up steel mould 3, can be used to the socket pipe fitting 1 that the suit was moulded plastics, and make the overlap joint section 2 of socket pipe fitting 1 carry out the hot melt in order to fuse with the material of pipe shaft 4 through heating device, the realization is connected, and the fixing device who drives fixed steel mould 3 through drive arrangement rotates, and then drive steel mould 3 and rotate, can make things convenient for heating device to carry out circumference heating to the overlap joint section of socket pipe fitting 1 of suit on steel mould 3, and make the coiler that is located 3 one side of steel mould only need remove can twine and generate pipe shaft 4, high durability and convenient use, the manufacture equipment of this embodiment can realize moulding plastics socket pipe fitting 1 earlier and twine the extension on socket pipe fitting 1 and form pipe shaft 4. The manufacturing equipment of the embodiment further comprises an injection molding machine and a socket pipe fitting injection mold, and is used for injection molding of the socket pipe fitting 1. Heating devices are arranged at two ends of the socket pipe fitting and the socket pipe fitting, and can respectively heat the lap joint sections of the socket pipe fitting and the socket pipe fitting of the pipe.
In this embodiment, heating device includes external heating mechanism, external heating mechanism includes external heater 6 and first moving mechanism, external heater 6 rotationally connects and moves along the direction of being close to or keeping away from steel mould 3 in order to drive external heater 6 on first moving mechanism, can carry out the external heating to bell and spigot pipe fitting 1 of suit on steel mould 3, and be close to steel mould 3 when heating, leave steel mould 3 after the heating is accomplished, avoid hindering the winding shaping of shaft of pipe 4, and make things convenient for the unloading after bell and spigot pipe fitting 1 cup joints and the tubular product shaping, and external heater 6 is rotatable, make the circular arc center of external heater 6 concentric with the center of steel mould 3, make the pipe fitting heating more even. . Specifically, first moving mechanism includes first support 7 and connects telescopic cylinder 8 on first support 7, external heater 6 rotationally connects the end that stretches out at telescopic cylinder 8, telescopic cylinder 8 slope sets up and its end that stretches out up, through telescopic cylinder 8, can make external heater 6 slope rebound be close to steel mould 3 and slope move down and keep away from steel mould 3, can heat the bell and spigot pipe fitting 1 that cup joints on the steel mould 3 from oblique top or oblique below, and rotatable external heater 6 carries out angle modulation. In addition, first moving mechanism still includes first gag lever post 9, be equipped with mounting panel 10 on the first support 7, be equipped with first mounting hole and second mounting hole on the mounting panel 10, telescopic cylinder 8 is connected with mounting panel 10 and its end that stretches out passes first mounting hole, first gag lever post 9 wears to locate in the second mounting hole, and the one end of gag lever post 9 is connected with telescopic cylinder 8's the end that stretches out, telescopic cylinder 8's the other end is equipped with stopper 11, the maximum distance that makes telescopic cylinder 8 drive external heater 6 and remove is the one end that first gag lever post 9 and telescopic cylinder 8 are connected to the distance of stopper 11, prevent that external heater 6 from contacting bell and spigot pipe fitting 1 of suit on the steel mould 3. In addition, the outer heater 6 of this embodiment is the arc structure, can increase heating area, and is favorable to heating evenly to socket pipe fitting 1. Optionally, the external heater 6 is an infrared radiation heating device.
The heating device of this embodiment includes interior heating mechanism, and interior heating mechanism includes interior heater, and interior heater locates the below of steel mould 3. The internal heater can heat the part of the steel die 3 opposite to the lap joint section 2 of the bell and spigot pipe fitting 1, and the external heater is matched to heat the part of the steel die 3 opposite to the lap joint section 2 of the bell and spigot pipe fitting 1 and the lap joint section 2 of the bell and spigot pipe fitting 1 to required temperature, so that the internal and external heating of the bell and spigot pipe fitting 1 is realized. The internal heater of this embodiment is an induction heating device, and the internal heater includes induction coil 12 and induction module 13, and induction coil 12 locates the top of induction module 13, and induction coil 12 is connected with induction module 13 electricity. In addition, interior heating mechanism still includes the second moving mechanism, and response module 13 is connected on the second moving mechanism in order to drive response module 13 and remove along being close to or keeping away from the direction of steel mould 3, and when heating, response module 13 is close to steel mould 3, and after the heating is accomplished, response module 13 leaves steel mould 3, avoids hindering winding shaping of body of pipe 4 and the unloading etc. after the tubular product shaping. The induction module 13 of the present embodiment is an arc structure, which can increase the heating area and is beneficial to uniform heating. The second moving mechanism of the present embodiment is disposed below the steel mold 3. The second moving mechanism of this embodiment includes second support 14, elevating gear 15 and base 16, and elevating gear 15 sets up on second support 14, and response module 13 and elevating gear 15 rotatable coupling drive response module 13 through elevating gear 15 and reciprocate, realize being close to or keeping away from steel mould 3. The second moving mechanism further comprises a second limiting rod 17, a fixing plate 18 is arranged on the second support 14, the induction module 13 is connected to the movable end of the lifting device 15, the fixing plate 18 is horizontally arranged, a via hole is formed in the fixing plate 18, the second limiting rod 17 is arranged in the via hole in a penetrating mode, one end of the second limiting rod 17 is connected with the movable end of the lifting device 15, a limiting head 19 is arranged at the other end of the second limiting rod 17, the maximum moving distance of the induction module 13 is the distance between one end, connected with the lifting device 15, of the second limiting rod 17 and the limiting head 19, and the induction module 13 is prevented from contacting the bell and spigot pipe fitting 1 sleeved on the steel die 3. The second frame 14 of this embodiment is mounted on a base 16, and a moving wheel 20 is attached to the base 16 to allow the base 16 to move. In addition, the second moving mechanism further comprises a screw rod 21 and a screw rod sliding block 22, the screw rod 21 is rotatably connected to the base 16, the screw rod sliding block 22 is in threaded connection with the screw rod 21, the second support 14 is connected to the screw rod sliding block 22, a hand wheel 23 is arranged at one end of the screw rod 21, the screw rod 22 can be rotated through the hand wheel 23, and the position of the induction module 13 is adjusted, so that the induction module 13 is opposite to the induction coil 12 and the lap joint section 2 of the socket pipe fitting 1.
In addition, the manufacturing equipment of the socket-and-spigot winding structure wall pipe of the embodiment further comprises a pressing wheel 24 capable of moving along the axial direction of the steel die 3, the pressing wheel 24 is located on one side of the steel die 3, the pressing wheel 24 can move along the direction perpendicular to the axial direction of the steel die, the winding machine comprises a plate extruding device 25 and a pipe extruding device 26, and the plate extruding device 25, the pressing wheel 24 and the pipe extruding device 26 are sequentially arranged along the axial direction of the steel die 3. After the sheet material extruded by the sheet material extruding device 25 is covered on the steel die 3, the press wheel 24 moves close to the steel die 3, the wheel surface of the press wheel 24 is in contact with the sheet material covered on the steel die 3 to be flattened, and then the pipe material extruded by the pipe material extruding device 26 is wound on the steel die 3. The manufacturing equipment of the socket-type winding structure wall pipe of the embodiment further comprises a pinch roller bracket, and the pinch roller 24 is rotatably connected to the pinch roller bracket. In addition, the manufacturing equipment of this implementation still includes the removal track that extends along with the length direction of steel mould 3 with the axial direction parallel of steel mould 3, and the removal track is located one side of steel mould 3, is equipped with the sliding seat that can move along its length direction on the removal track, and pinch roller 24, sheet material extrusion device 25 and pipe material extrusion device 26 are connected on the sliding seat through a telescoping device respectively, make pinch roller 24, sheet material extrusion device 25 and pipe material extrusion device 26 be close to or keep away from steel mould 3 through the telescoping device, and pass through the sliding seat and remove the axial displacement of track along steel mould 3. In addition, the fixing device of this embodiment includes four drive wheels 5, the both ends of steel mould 3 respectively are equipped with two drive wheels 5, two drive wheels 5 intervals that are located 3 one ends of steel mould set up and the pivot is parallel, two drive wheels 5 that are located 3 one ends of steel mould can be close to each other or keep away from, drive arrangement is the motor, the motor is connected in order to drive 5 rotations of drive wheel with 5 transmissions of drive wheel, place steel mould 3 on drive wheel 5, drive wheel 5 rotates and to drive 3 rotations of steel mould.
The steel die 3 of this embodiment is a cylindrical structure and is made of steel. In addition, as shown in fig. 5, the end of the steel die 3 is provided with a plurality of connection holes 301 arranged along the circumferential direction, the connection holes 301 are arranged along the radial direction of the steel die 3, and the connection holes 301 are inserted with positioning columns 27 capable of moving along the radial direction of the steel die 3. One end of the steel die 3 sleeved with the bell and spigot pipe fitting 1 is provided with a positioning column 27 capable of moving along the radial direction of the steel die 3, and when the bell and spigot pipe fitting 1 is sleeved into the steel die 3, the positioning column 27 retracts to facilitate the bell and spigot pipe fitting 1 to be sleeved; after the bell and spigot pipe fitting 1 is sleeved into the steel die 3, the positioning column 27 extends out to abut against the inner wall of the bell and spigot pipe fitting 1, the bell and spigot pipe fitting 1 is tightly supported, and the bell and spigot pipe fitting 1 is positioned to avoid moving. The positioning column 27 of this embodiment is moved by the telescopic mechanism.
The pipe winding machine adopts a distributed layout structure, the plate extrusion device 25, the pipe extrusion device 26 and the heating device are skillfully installed on the pipe winding machine, an operator only needs to control the mechanisms to work coordinately according to the process requirements, the required pipes can be produced, and the pipe winding machine is convenient to use.
The working process of the embodiment is as follows: (1) and forming the socket pipe fitting 1 by injection molding through an injection molding machine and a socket pipe fitting injection mold.
(2) Position adjustment: according to the specification of pipe shaft 4, the interval of adjustment drive wheel 5 hangs empty steel mould 3 into the winding platform, supports on four drive wheels 5. Through telescopic cylinder 8, adjust external heater 6, make external heater 6 and steel mould 3 concentric, adjust the position of stopper 11 on first gag lever post 9. Moving the base 16 under the steel mould 3 by means of the moving wheel 20; and rotating a hand wheel 23 to enable a screw rod slide block 22 to move along a screw rod 21, and moving the induction module 13 upwards through the lifting device 15 to enable the induction module 13 to be concentric with the steel die 3, so as to adjust the position of the limiting head 19 on the second limiting rod 17.
(3) After the position is adjusted, the steel die 3 is lifted, the bell and spigot pipe fitting 1 is sleeved into the steel die 3, and the bell and spigot pipe fitting 1 is positioned. The steel mould 3 is then placed over the drive wheel 5. And starting a motor to enable the driving wheel 5 to rotate to drive the steel die 3 to rotate together. The lifting device 15 drives the induction module 13 to lift, the part of the steel die 3, which is coated by the lap joint section 2 of the bell and spigot pipe fitting 1, is heated, the inner walls of the lap joint section 2 of the bell and spigot pipe fitting 1 are simultaneously heated through the heat transfer of the steel die 3, and at the moment, the steel die 3 is rotated and heated at the same time, so that the outer surface of the lap joint section 2 is uniformly heated.
(4) And when the temperature of the part of the steel die 3 coated by the lap joint section 2 is heated to about 50% of the temperature required by melting, the telescopic cylinder 8 drives the external heater 6 to be close to the steel die 3 to externally heat the lap joint section 2 of the bell and spigot pipe fitting 1. After the lap joint section 2 is heated to a molten state, the induction module 13 is lowered through the lifting device 15, the external heater 6 is removed through the telescopic cylinder 8, and heating is stopped.
(5) And starting the winding machine to extrude the plate from the plate extrusion device 25, starting winding the plate at the lap joint section 2, after winding for 1-2 circles, moving the pressing wheel 24 to contact the plate, and pressing the plate in a follow-up manner to enable the lap joint section 2 and the plate to be welded in a molten state. The tubing extrusion device 26 is opened to extrude the clad tubing, which is wound on the outside of the panel. At this time, the plate and the pipe are simultaneously wound to form the pipe body 4.
To sum up, the embodiment of the invention provides a manufacturing method of a socket type winding structure wall pipe, which is characterized in that a socket pipe fitting 1 is manufactured through injection molding, then the socket pipe fitting 1 is sleeved on a steel die 3, a pipe body 4 is formed by wrapping and extending an extrusion material of a winding machine and a lap joint section 2 of the socket pipe fitting 1, and the socket type winding structure wall pipe is formed after cooling, so that the production of pipes is facilitated, the pipes can be uniformly allocated, the socket size is stable, and the interchangeability is good. The embodiment of the invention also provides manufacturing equipment for the socket type winding structure wall pipe for realizing the method, the steel die 3 is arranged, the manufacturing equipment can be used for sleeving the injection molded socket pipe fitting 1, the fixing device for fixing the steel die 3 is driven to rotate by the driving device, the heating device can be convenient for circumferentially heating the lap joint section 2 of the socket pipe fitting 1 sleeved on the steel die 3, and the winding machine positioned on one side of the steel die 3 can wind the pipe body 4 only by moving, so that the use is convenient.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A manufacturing method of a socket type winding structure wall pipe is characterized by comprising the following steps:
s1, manufacturing a socket pipe fitting through injection molding, wherein one end of the manufactured socket pipe fitting is extended to form an overlap joint section;
s2, sleeving the bell and spigot pipe fitting on the steel die, and carrying out hot melting on the lap joint section;
and S3, rotating the steel die, wherein in the rotating process of the steel die, the winding machine moves from the lap joint section in the direction away from the bell and spigot pipe fitting, and meanwhile, the material extruded by the winding machine is coated on the steel die to form a pipe body.
2. The socket-wound structured wall pipe manufacturing method according to claim 1, wherein the overlapped section is internally and externally heated in step S2.
3. The method of manufacturing a socket-wound structural wall pipe of claim 2, wherein the steel die is raised in temperature by induction heating to internally heat the overlapped section, and the outer surface of the overlapped section is irradiated by radiation to externally heat the overlapped section.
4. The utility model provides a manufacture equipment of socket joint formula winding arrangement wall pipe, its characterized in that, includes coiler, steel mould (3), heating device, fixing device and drive arrangement, the tip detachably of steel mould (3) install in fixing device is last, drive arrangement with the fixing device transmission is connected in order to drive steel mould (3) rotate, the coiler is located one side of steel mould (3) and can follow the axial displacement of steel mould (3), heating device sets up to two, and two heating device is close to respectively the both ends setting of steel mould (3).
5. The manufacturing equipment of socket-wound structural wall pipe according to claim 4, wherein the heating device comprises an external heating mechanism, the external heating mechanism comprises an external heater (6) and a first moving mechanism, and the external heater (6) is rotatably connected to the first moving mechanism to drive the external heater (6) to move in a direction close to or far away from the steel die (3).
6. The manufacturing equipment of socket-and-spigot winding structural wall pipe according to claim 5, wherein said first moving mechanism comprises a first bracket (7) and a telescopic cylinder (8) connected to said first bracket (7), said external heater (6) is rotatably connected to the extended end of said telescopic cylinder (8), said telescopic cylinder (8) is disposed obliquely and the extended end of said telescopic cylinder is upward.
7. The manufacturing equipment of socket type winding structure wall pipe according to claim 6, wherein the first moving mechanism further comprises a first limiting rod (9), a mounting plate (10) is arranged on the first support (7), a first mounting hole and a second mounting hole are arranged on the mounting plate (10), the telescopic cylinder (8) is connected with the mounting plate (10) and the extending end of the telescopic cylinder passes through the first mounting hole, the first limiting rod (9) is arranged in the second mounting hole in a penetrating manner, one end of the limiting rod is connected with the extending end of the telescopic cylinder (8), and a limiting block (11) is arranged at the other end of the limiting rod.
8. The manufacturing equipment of socket-wound structural wall pipe according to claim 4, wherein the heating device comprises an internal heating mechanism, the internal heating mechanism comprises an internal heater, and the second heater is arranged below the steel die (3).
9. The manufacturing apparatus of socket-wound structural wall pipe according to claim 8, wherein the internal heater comprises an induction coil (12) and an induction module (13), the induction coil (12) being disposed above the induction module (13), the induction coil (12) being electrically connected to the induction module (13).
10. The manufacturing equipment of the socket-and-spigot winding structure wall pipe according to claim 4, further comprising a pressing wheel which can move along the axial direction of the steel die (3), wherein the pressing wheel is positioned at one side of the steel die (3), the pressing wheel can move along the direction perpendicular to the axial direction of the steel die (3), and the winding machine comprises a sheet extrusion device (25) and a pipe extrusion device (26), wherein the sheet extrusion device (25), the pressing wheel and the pipe extrusion device (26) are sequentially arranged along the axial direction of the steel die (3).
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| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111355652.3A CN114261120B (en) | 2021-11-16 | 2021-11-16 | Manufacturing method and equipment for socket-and-spigot type winding structure wall pipe |
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| CN114261120A true CN114261120A (en) | 2022-04-01 |
| CN114261120B CN114261120B (en) | 2024-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117087217A (en) * | 2023-10-20 | 2023-11-21 | 山东浩源管业有限公司 | Device and process for extrusion coating of inner wall of polyethylene plastic steel winding pipe |
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|---|---|
| CN114261120B (en) | 2024-04-02 |
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