CN114474642A - Plastic pipe forming system - Google Patents
Plastic pipe forming system Download PDFInfo
- Publication number
- CN114474642A CN114474642A CN202210017728.XA CN202210017728A CN114474642A CN 114474642 A CN114474642 A CN 114474642A CN 202210017728 A CN202210017728 A CN 202210017728A CN 114474642 A CN114474642 A CN 114474642A
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- plastic pipe
- pipe
- plastic
- shaping
- block
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- 239000004033 plastic Substances 0.000 title claims abstract description 265
- 229920003023 plastic Polymers 0.000 title claims abstract description 265
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 165
- 238000007493 shaping process Methods 0.000 claims abstract description 106
- 238000000465 moulding Methods 0.000 claims description 10
- 239000003000 extruded plastic Substances 0.000 abstract description 12
- 238000005452 bending Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 38
- 239000000498 cooling water Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 24
- 238000007639 printing Methods 0.000 description 16
- 238000005520 cutting process Methods 0.000 description 12
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 241000178343 Butea superba Species 0.000 description 1
- 235000001911 Ehretia microphylla Nutrition 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0023—Combinations of extrusion moulding with other shaping operations combined with printing or marking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of pipe forming, and particularly relates to a plastic pipe forming system, which comprises a condensate water tank; the condensed water tank comprises a tank body, a mounting frame, a shaping module and a controller; a feed inlet and a discharge outlet are formed in two ends of the box body; water inlets are formed in two side walls of the box body; the lower end of the box body is provided with a water outlet; one side of the mounting rack is fixedly connected with a driving motor; the mounting rack is fixedly connected to the upper end of the box body; the lower end of the mounting frame is provided with a shaping module; the shaping module comprises a roll shaft and a rotating plate; the roll shaft is rotatably connected with the mounting frame through a support rod; convex strips are arranged on the surfaces of the roll shafts; according to the invention, through the arrangement of the rollers, the rollers can roll the outer surface of the extruded plastic pipe, so that the flatness of the outer surface of the plastic pipe is improved, the uniformity of the wall thickness of the plastic pipe is improved, the outer surface of the plastic pipe is uniformly cooled, the bending condition of the pipe is reduced, and the shaping quality of the pipe is improved.
Description
Technical Field
The invention belongs to the technical field of pipe forming, and particularly relates to a plastic pipe forming system.
Background
The plastic pipe is taken as an important component of chemical building materials, is widely accepted by wide users due to excellent performance, sanitation, environmental protection, low consumption and the like, mainly comprises a PVC pipe, an aluminum-plastic composite pipe and a Polyethylene (PE) water supply pipe, and the production line comprises an extruder, a condensate water tank, a printing device and a cutting device, and the plastic pipe is extruded and molded through the extruder; introducing the extruded and molded pipe into a condensation water tank, so that the condensation water tank cools and molds the extruded plastic pipe; placing the cooled plastic pipe at a printing device, so that the printing device is used for printing a label on the surface of the condensed and shaped plastic pipe; and finally, cutting the printed plastic pipe by using a cutting device.
If a chinese patent with application number CN202022175613.2 discloses a plastic pipe cooling device, the technical scheme is that a novel water tank is installed in an open outer box body, so that water in the water tank can be effectively prevented from overflowing to any place on the ground in the using process, cleaning is not easy, and the plastic pipe can be frozen in winter, which affects the work of workers; but this technical scheme does not solve because each face of extruder die head heats inequality for tubular product when extruding from the die head, arouse the degree difference of palas effect easily, make tubular product wall thickness uneven, so when the uneven tubular product of wall thickness gets into the cooling of design water tank, because plastics tubular product surface cooling is inconsistent, make tubular product cooling shrinkage different, lead to the tubular product crooked, reduce the design quality of tubular product, and then cause this technical scheme's limitation.
In view of this, the present invention provides a plastic pipe forming system, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a plastic pipe forming system, and the rollers can roll the outer surface of the extruded plastic pipe through the arrangement of the rollers, so that the flatness of the outer surface of the plastic pipe is improved, the uniformity of the wall thickness of the plastic pipe is improved, the outer surface of the plastic pipe is cooled uniformly, the bending condition of the pipe is reduced, and the shaping quality of the pipe is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a plastic pipe molding system, which comprises a condensed water tank; the condensed water tank comprises a tank body, a mounting frame, a shaping module and a controller; a feed inlet and a discharge outlet are formed in two ends of the box body; water inlets are formed in two side walls of the box body; the lower end of the box body is provided with a water outlet; one side of the mounting rack is fixedly connected with a driving motor; the mounting rack is fixedly connected to the upper end of the box body; the lower end of the mounting frame is provided with a shaping module; the shaping module comprises a roll shaft and a rotating plate; the roll shaft is rotatably connected with the mounting frame through a support rod; convex strips are arranged on the surfaces of the roll shafts; the lower end of the rotating plate is provided with an engaging groove; the rotating plate is meshed with the roll shaft; an output shaft of the driving motor is fixedly connected with the roll shaft; two adjacent rotating plates are hinged; the upper end of the rotating plate is provided with a plastic block; a support is arranged at one end, far away from the discharge hole, of the mounting frame; the number of the brackets is two; the two supports are arranged on two sides of the mounting frame in a side-by-side mode through electric push rods; the lower end of the bracket is rotatably connected with an arc-shaped inwards concave roller; the controller is used for controlling the whole condensed water tank to automatically operate;
in the prior art, because the heating of each surface of the die head of the extruder is uneven, the different degrees of the Brass effect are easily caused when the pipe is extruded from the die head, and the wall thickness of the pipe is uneven, when the pipe with uneven wall thickness enters a shaping water tank for cooling, the cooling shrinkage speed of the pipe is different due to the inconsistent cooling of the outer surface of the plastic pipe, so that the pipe is bent, and the shaping quality of the pipe is reduced;
when the plastic pipe forming system works, a water inlet is communicated with an external water pipe, the plastic pipe forming system comprises an extruder, a condensed water tank, a printing device and a cutting device, and the plastic pipe is extruded and formed through the extruder; introducing the extruded and molded pipe into a condensation water tank, so that the condensation water tank cools and molds the extruded plastic pipe; placing the cooled plastic pipe at a printing device, so that the printing device is used for printing a label on the surface of the condensed and shaped plastic pipe; finally, a cutting device is used for cutting the printed plastic pipe; when the pipe extruded by the extruder is cooled and formed, the controller controls the electric push rod to contract, so that the electric push rod pushes the two supports to be away from each other, the two supports drive the rollers to be away from each other until the plastic pipe extruded by the extruder enters between the two adjacent rollers, the controller controls the electric push rod to reset at the moment, the two rollers are driven by the electric push rod to be close to each other until the rollers are contacted with each other, the extruded plastic pipe passes through the two rollers, the rollers roll the surface of the plastic pipe, so that the surface of the plastic pipe is smooth, when the plastic pipe enters the condensate water tank through the feed port and extends out of the condensate water tank from the discharge port, the water outlet is closed, the controller controls external water flow to enter the water tank through the water inlet and fill the water tank, the water outlet is opened, the water inlet is adjusted, and the water inlet and the water outlet in the condensate water tank are kept consistent, the feed inlet and the discharge outlet of the plastic pipe are sealed by sealing rings, so that the plastic pipe is in sliding sealing connection with the feed inlet and the discharge outlet; the controller controls the driving motor to drive the roller to rotate, so that the roller shaft drives the rotating plate to move through the engagement of the convex strips and the engaging grooves, the rotating plate drives the plastic block to move synchronously, and when the rotating plate moves and is engaged with the roller shaft close to the feeding port, the rotating plate drives the plastic block to rotate downwards along with the rotation of the roller shaft, so that the plastic block is clamped on the surface of the plastic pipe, and the plastic block shapes the plastic pipe; the plastic pipe in the cooling water tank is shaped by the shaping module along with the continuous feeding of the pipe, and the part of the front end of the pipe which is not completely cooled is cut off and recovered by a worker;
according to the invention, through the arrangement of the rollers, the rollers can roll the outer surface of the extruded plastic pipe, so that the flatness of the outer surface of the plastic pipe is improved, the uniformity of the wall thickness of the plastic pipe is improved, the outer surface of the plastic pipe is uniformly cooled, the bending condition of the pipe is reduced, and the shaping quality of the pipe is improved.
Preferably, a feeding pipe is installed at the feeding port; the plastic blocks are arranged in pairs; the two plastic blocks are rotationally connected with the rotating plate through torsional springs; one surfaces of the two shaping blocks, which are close to each other, are provided with semicircular grooves; one end of the plastic block, which is far away from the rotating plate, is set to be a smooth curved surface; when the plastic pipe fitting is in work, when the roller shaft drives the rotating plate to rotate downwards, one end of a curved surface of each shaping block is in contact with the feeding pipe and rotates downwards along with the roller shaft, so that the curved surfaces of the two shaping blocks are extruded by the feeding pipe, the two shaping blocks overcome the torsion force of the torsion spring and rotate in opposite directions, the curved surfaces slide downwards along the surface of the feeding pipe until the shaping blocks rotate to be vertical to the feeding pipe, the feeding pipe is completely clamped between the semicircular grooves of the two shaping blocks, the two shaping blocks are driven by the restoring force of the torsion spring to approach each other, so that the feeding pipe is in contact with the groove bottoms of the semicircular grooves, the shaping blocks slide along the surface of the feeding pipe along with the movement of the rotating plate until the shaping blocks are in contact with the plastic pipe, the outer wall of the plastic pipe is in close contact with the groove bottoms of the semicircular grooves of the two shaping blocks, and the shaping blocks slide along the surface of the plastic pipe along with the movement of the rotating plate, so that the plastic pipe becomes flat under the extrusion and sliding of the plastic block; according to the plastic pipe forming device, the plastic pipe can be wrapped by the semicircular groove of the plastic block through the matching between the plastic block and the torsion spring, the outer wall of the plastic pipe can be smoothed by the plastic block, the uniformity of the wall thickness of the plastic pipe is improved, the plastic pipe is clamped by the plastic block, the plastic block plays a limiting role on the plastic pipe, the plastic pipe is prevented from being bent due to buoyancy, the forming quality of the plastic pipe is improved, and the practicability of the plastic pipe forming device is improved.
Preferably, the lower end of the rotating plate is fixedly connected with a U-shaped plate; two opposite side walls of the U-shaped plate are provided with sliding grooves; a plastic block is connected in the sliding groove in a sliding manner; the plastic block and the side wall of the chute are fixedly arranged through a spring; when the plastic pipe cooling device works, when the roller shaft drives the rotating plate to rotate downwards, one end, far away from the rotating plate, of the shaping block is in contact with the feeding pipe and rotates downwards along with the roller shaft, so that the two shaping blocks are extruded by the feeding pipe, the two shaping block extrusion springs move in opposite directions along the sliding groove, the feeding pipe is positioned between the two shaping blocks, the shaping blocks are close to each other under the action of spring restoring force, one surfaces, close to each other, of the shaping blocks are tightly attached to the surface of the feeding pipe, the U-shaped plate is driven to move along with the rotating plate, the U-shaped plate drives the shaping blocks to slide along the surface of the feeding pipe until the shaping blocks are in contact with the plastic pipe and slide along the surface of the feeding pipe, the shaping blocks approach to be level under the extrusion of the radian of the plastic pipe, when the rotating plate moves to the roller shaft close to the discharging port, the roller shaft close to the discharging port drives the rotating plate to rotate upwards, and the plastic pipe are cooled to be shaped, therefore, when the rotating plate drives the shaping block to rotate upwards and contact with the pipe, the shaping block cannot damage the plastic pipe, the shaping block compresses the springs to be away from each other under the extrusion of the outer wall of the plastic pipe, the shaping block is opened and rotates upwards until the shaping block does not contact with the plastic pipe, the shaping block resets under the action of the springs, the shaping block can circularly smooth the surface of the plastic pipe, the forming quality of the plastic pipe is improved, and the practicability of the plastic pipe is effectively improved.
Preferably, a sliding block is connected in the sliding groove in a sliding manner; the sliding block is fixedly connected with the side wall of the sliding chute through a spring; the plastic block is rotationally connected with the sliding block; the plastic block is cylindrical; the shaping block is rotatably connected to the lower end of the rotating plate; the surface of the shaping block is provided with a semicircular annular groove; when the plastic pipe rolling mill works, when the rotating plate rotates downwards, the plastic blocks are in contact with the feeding pipe, the plastic blocks drive the sliding blocks to extrude the springs to move towards two sides, the feeding pipe is located between the two plastic blocks, the plastic blocks move along with the plastic blocks until the plastic pipe is located between the two plastic blocks, the springs reset to push the two plastic blocks to approach each other at the moment, the plastic pipe is clamped between semicircular annular grooves of the two plastic blocks, the plastic blocks move along with the driving of the rotating plate, the plastic blocks roll along the surface of the plastic pipe, and the plastic blocks roll the surface of the plastic pipe; according to the invention, the shaping block is set to be cylindrical, so that the shaping block can roll along the surface of the plastic pipe, the flatness of the surface of the plastic pipe is improved, the forming quality of the plastic pipe is improved, and the friction between the shaping block and the plastic pipe is reduced.
Preferably, the water inlet is obliquely arranged; the arrangement density of the water inlets on the box body is continuously increased along with the distance from the discharge hole; when the water-saving device works, water flows through the water inlet and inclines towards the direction of the discharge hole; because the plastic pipe continuously enters through the feed inlet, the water temperature around the pipe is continuously increased, the cooling effect of the water flow along with the distance from the feed inlet is not obvious, the water outlets are arranged on the two sides of the water tank, so that water flow can enter and impact the surface of the pipe at each position of the water tank, thereby ensuring the uniform temperature of the water flow around the pipe in the water tank, and the water flow heating block close to the feed inlet is ensured because the temperature of the plastic pipe which just enters is high, therefore, the water inlet close to the cooling water tank has large water inflow and the flow rate of water flow is accelerated by adding more water inlets close to one end of the feed inlet, the water flow at the water inlet is fast to replace, the temperature is slowly increased, the water cooling temperature of each part of the pipe is consistent, the cooling effect of the cooling water tank is improved, and the problem that the pipe is partially contracted and bent due to the fact that the plastic pipe is partially not completely cooled and then is discharged out of the cooling water tank is avoided; according to the plastic pipe cooling device, the water inlet is arranged, so that water flow can be supplemented to all positions of the cooling water tank, the uniformity of the water temperature in the cooling water tank is guaranteed, the same cooling effect of the cooling water tank on all positions of a plastic pipe is guaranteed, the cooling effect of the cooling water tank on the plastic pipe is further improved, the water inlet is obliquely arranged, the flow speed of water in the cooling water tank is accelerated, the heat exchange effect of water is increased, and the cooling efficiency of the cooling water tank is accelerated.
Preferably, the water inlet is in a horn shape; when the plastic pipe cooling device works, when external water flow enters from the water inlet, the water inlet is arranged to be horn-shaped, the water inflow is unchanged, the diameter of the water inlet is reduced, the water flow is increased from the water inlet, the flow speed of the water flow in the cooling water tank is increased, the cooling effect of the water flow is improved, the impact force of the water flow is increased, the temperature-rising water flow around the plastic pipe is far away from the periphery of the plastic pipe under the impact of the water flow sprayed out of the water inlet, the temperature of the water flow around the plastic pipe is reduced, the cooling effect of the plastic pipe is improved, and the actual application effect of the plastic pipe cooling device is effectively improved.
The invention has the following beneficial effects:
1. according to the invention, through the arrangement of the rollers, the rollers can roll the outer surface of the extruded plastic pipe, so that the flatness of the outer surface of the plastic pipe is improved, the uniformity of the wall thickness of the plastic pipe is improved, the outer surface of the plastic pipe is uniformly cooled, the bending condition of the pipe is reduced, and the shaping quality of the pipe is improved.
2. According to the plastic pipe forming device, the plastic pipe can be wrapped by the semicircular groove of the plastic block through the matching between the plastic block and the torsion spring, the outer wall of the plastic pipe can be smoothed by the plastic block, the uniformity of the wall thickness of the plastic pipe is improved, the plastic pipe is clamped by the plastic block, the plastic block plays a limiting role on the plastic pipe, the plastic pipe is prevented from being bent due to buoyancy, the forming quality of the plastic pipe is improved, and the practicability of the plastic pipe forming device is improved.
3. According to the plastic pipe cooling device, the water inlets are arranged, so that water flow can be supplemented to all positions of the cooling water tank, the uniformity of the water temperature in the cooling water tank is guaranteed, the same cooling effect of the cooling water tank on all positions of a plastic pipe is guaranteed, the cooling effect of the cooling water tank on the plastic pipe is further improved, the water inlets are obliquely arranged, the flow speed of water in the cooling water tank is accelerated, the heat exchange effect of the water is increased, and the cooling efficiency of the cooling water tank is accelerated.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a perspective view of the present invention employing a cylindrical shaped block;
FIG. 4 is a schematic structural view of a U-shaped plate member of the present invention;
FIG. 5 is an enlarged view at A in FIG. 2;
in the figure: 1. a box body; 11. a feed inlet; 12. a discharge port; 13. a water inlet; 14. a water outlet; 15. a feed pipe; 2. a mounting frame; 21. a support; 22. an electric push rod; 23. a roller; 3. a shaping module; 31. a roll shaft; 311. a convex strip; 32. rotating the plate; 321. an engagement groove; 33. a drive motor; 34. a support bar; 35. a shaping block; 351. a semicircular groove; 352. an annular groove; 37. a U-shaped plate; 371. a chute; 372. a spring; 373. a slide block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, a plastic pipe forming system according to the present invention includes a condensed water tank; the condensed water tank comprises a tank body 1, a mounting frame 2, a shaping module 3 and a controller; a feed inlet 11 and a discharge outlet 12 are formed at two ends of the box body 1; a water inlet 13 is formed in two side walls of the box body 1; the lower end of the box body 1 is provided with a water outlet 14; one side of the mounting frame 2 is fixedly connected with a driving motor 33; the mounting rack 2 is fixedly connected to the upper end of the box body 1; the lower end of the mounting frame 2 is provided with a shaping module 3; the shaping module 3 comprises a roller 31 and a rotating plate 32; the roll shaft 31 is rotatably connected with the mounting frame 2 through a support rod 34; convex strips 311 are arranged on the surface of the roller shaft 31; the lower end of the rotating plate 32 is provided with an engaging groove 321; the rotating plate 32 is engaged with the roller shaft 31; an output shaft of the driving motor 33 is fixedly connected with the roller shaft 31; two adjacent rotating plates 32 are hinged; the upper end of the rotating plate 32 is provided with a shaping block 35; a support 21 is arranged at one end of the mounting rack 2 far away from the discharge hole 12; the number of the brackets 21 is two; the two brackets 21 are respectively arranged on two sides of the mounting rack 2 through electric push rods 22; the lower end of the bracket 21 is rotatably connected with an arc-shaped concave roller 23; the controller is used for controlling the whole condensed water tank to automatically operate;
in the prior art, because the heating of each surface of the die head of the extruder is uneven, the different degrees of the Brass effect are easily caused when the pipe is extruded from the die head, and the wall thickness of the pipe is uneven, when the pipe with uneven wall thickness enters a shaping water tank for cooling, the cooling shrinkage speed of the pipe is different due to the inconsistent cooling of the outer surface of the plastic pipe, so that the pipe is bent, and the shaping quality of the pipe is reduced;
when the plastic pipe forming system works, the water inlet 13 is communicated with an external water pipe, the plastic pipe forming system comprises an extruder, a condensed water tank, a printing device and a cutting device, and the plastic pipe is extruded and formed through the extruder; introducing the extruded and molded pipe into a condensation water tank, so that the condensation water tank cools and molds the extruded plastic pipe; placing the cooled plastic pipe at a printing device, so that the printing device is used for printing a label on the surface of the condensed and shaped plastic pipe; finally, a cutting device is used for cutting the printed plastic pipe; when the pipe extruded by the extruder is cooled and formed, the controller controls the electric push rod 22 to shorten, so that the electric push rod 22 pushes the two supports 21 to be away from each other, so that the two supports 21 drive the rollers 23 to be away from each other until the plastic pipe extruded by the extruder enters between the two adjacent rollers 23, at the moment, the controller controls the electric push rod 22 to reset, so that the two rollers 23 are close to each other under the driving of the electric push rod 22 until the rollers 23 contact with each other, at the moment, the extruded plastic pipe passes through the two rollers 23, so that the rollers 23 roll the surface of the plastic pipe, the surface of the plastic pipe is smooth, when the plastic pipe enters the condensate tank through the feed inlet 11 and extends out of the condensate tank through the discharge outlet 12, the water outlet 14 is closed, and the controller controls external water flow to enter the water tank through the water inlet 13 and fill the water tank, and the water outlet 14 is opened, adjusting the water inflow to keep the water inflow in the condensed water tank consistent with the water outflow, and sealing the feed inlet 11 and the discharge outlet 12 of the plastic pipe by sealing rings to ensure that the plastic pipe is in sliding sealing connection with the feed inlet 11 and the discharge outlet 12; the controller controls the driving motor 33 to drive the roller to rotate, so that the roller shaft 31 drives the rotating plate 32 to move through the meshing of the convex strips 311 and the meshing grooves 321, the rotating plate 32 drives the plastic block 35 to move synchronously, when the rotating plate 32 moves and is meshed with the roller shaft 31 close to the feed port 11, the rotating plate 32 drives the plastic block 35 to rotate downwards along with the rotation of the roller shaft 31, and the plastic block 35 is clamped on the surface of the plastic pipe, so that the plastic block 35 shapes the plastic pipe; the plastic pipe in the cooling water tank is shaped by the shaping module 3 along with the continuous feeding of the pipe, and the part of the front end of the pipe which is not completely cooled is cut off and recovered by a worker;
according to the invention, through the arrangement of the roller 23, the roller 23 can roll the outer surface of the extruded plastic pipe, so that the flatness of the outer surface of the plastic pipe is improved, the uniformity of the wall thickness of the plastic pipe is improved, the outer surface of the plastic pipe is uniformly cooled, the bending condition of the pipe is reduced, and the shaping quality of the pipe is improved.
As an embodiment of the present invention, a feeding pipe 15 is installed at the feeding port 11; the shaping blocks 35 are arranged in pairs; the two plastic blocks 35 are rotatably connected with the rotating plate 32 through torsion springs; a semicircular groove 351 is formed in the side, close to each other, of each of the two plastic blocks 35; one end of the shaping block 35, which is far away from the rotating plate 32, is set to be a smooth curved surface; when the device works, when the roller shaft 31 drives the rotating plate 32 to rotate downwards, one end of the curved surface of the shaping block 35 is in contact with the feeding pipe 15 and rotates downwards along with the roller shaft 31, so that the curved surfaces of the two shaping blocks 35 are extruded by the feeding pipe 15, the two shaping blocks 35 rotate in opposite directions by overcoming the torsion force of the torsion spring, the curved surfaces slide downwards along the surface of the feeding pipe 15 until the shaping blocks 35 rotate to be vertical to the feeding pipe 15, at the moment, the feeding pipe 15 is completely clamped between the semicircular grooves 351 of the two shaping blocks 35, at the moment, the two shaping blocks 35 approach each other under the driving of the restoring force of the torsion spring, so that the feeding pipe 15 is in contact with the bottoms of the semicircular grooves 351, and along with the movement of the rotating plate 32, the shaping blocks 35 slide along the surface of the feeding pipe 15 until the shaping blocks 35 are in contact with the plastic pipe, so that the outer wall of the plastic pipe is in close contact with the bottoms of the semicircular grooves 351 of the two shaping blocks 35, the rotating plate 32 moves to enable the plastic block 35 to slide along the surface of the plastic pipe, and the plastic pipe is further enabled to be flat under the extrusion sliding of the plastic block 35; according to the invention, through the matching between the plastic block 35 and the torsion spring, the semicircular groove 351 of the plastic block 35 can wrap the plastic pipe, the outer wall of the plastic pipe can be smoothed by the plastic block 35, the uniformity of the wall thickness of the plastic pipe is improved, and the plastic block 35 clamps the plastic pipe, so that the plastic block 35 has a limiting effect on the plastic pipe, the plastic pipe is prevented from being bent due to buoyancy, the molding quality of the plastic pipe is improved, and the practicability of the plastic pipe is improved.
As an embodiment of the present invention, the lower end of the rotating plate 32 is fixedly connected with a U-shaped plate 37; two opposite side walls of the U-shaped plate 37 are provided with sliding grooves 371; the sliding groove 371 is internally connected with a plastic block 35 in a sliding way; the shaping block 35 and the side wall of the sliding groove 371 are fixedly arranged through a spring 372; when the plastic pipe feeding device works, when the roller shaft 31 drives the rotating plate 32 to rotate downwards, one end, far away from the rotating plate 32, of the shaping block 35 is in contact with the feeding pipe 15, and along with the downward rotation of the roller shaft 31, the two shaping blocks 35 are extruded by the feeding pipe 15, so that the two shaping blocks 35 extrude the spring 372 to move in opposite directions along the sliding groove 371, at the moment, the feeding pipe 15 is positioned between the two shaping blocks 35, the shaping blocks 35 are close to each other under the restoring force of the spring 372, the surfaces, close to each other, of the shaping blocks 35 are tightly attached to the surface of the feeding pipe 15, along with the movement of the U-shaped plate 37 driven by the rotating plate 32, the U-shaped plate 37 drives the shaping blocks 35 to slide along the surface of the feeding pipe 15 until the shaping blocks 35 are in contact with the plastic pipe material and slide along the surface of the feeding pipe 15, so that the shaping blocks 35 approach to be flat under the radian extrusion of the plastic pipe, when the rotating plate 32 moves to the roller shaft 31 close to the discharge port 12, the roller 31 near the discharge port 12 drives the rotating plate 32 to rotate upwards, and because the plastic pipe and the cooling forming are carried out at the moment, when the rotating plate 32 drives the plastic block 35 to rotate upwards and contact with the pipe, the plastic block 35 cannot damage the plastic pipe, the plastic block 35 compresses the spring 372 to be far away from each other under the extrusion of the outer wall of the plastic pipe, so that the plastic block 35 is opened and rotates upwards until the plastic block 35 does not contact with the plastic pipe, at the moment, the plastic block 35 resets under the action of the spring 372, and further the plastic block 35 can be circularly smoothed on the surface of the plastic pipe, the forming quality of the plastic pipe is improved, and the practicability of the plastic pipe is effectively improved.
As an embodiment of the present invention, a sliding block 373 is slidably connected to the sliding groove 371; the sliding block 373 is fixedly connected with the side wall of the sliding groove 371 through a spring 372; the shaping block 35 is rotatably connected with the sliding block 373; the shaping block 35 is cylindrical; the plastic block 35 is rotatably connected to the lower end of the rotating plate 32; the surface of the shaping block 35 is provided with a semicircular annular groove 352; when the rotating plate 32 rotates downwards, the plastic blocks 35 are in contact with the feeding pipe 15, so that the plastic blocks 35 drive the sliding blocks 373 to extrude the springs 372 to move towards two sides, the feeding pipe 15 is located between the two plastic blocks 35 and moves along with the plastic blocks 35 until the plastic pipe is located between the two plastic blocks 35, the springs 372 reset to push the two plastic blocks 35 to approach each other, the plastic pipe is clamped between the semicircular annular grooves 352 of the two plastic blocks 35, the plastic blocks 35 are driven to move along with the rotating plate 32, the plastic blocks 35 roll along the surfaces of the plastic pipe, and the plastic blocks 35 roll the surfaces of the plastic pipe; according to the invention, the shaping block 35 is set to be cylindrical, so that the shaping block 35 can roll along the surface of the plastic pipe, the flatness of the surface of the plastic pipe is improved, the forming quality of the plastic pipe is improved, and the friction between the shaping block 35 and the plastic pipe is reduced, so that on one hand, the friction is reduced, the rolling speed of the shaping block 35 on the surface of the plastic pipe is accelerated, the rolling efficiency of the shaping block 35 on the plastic pipe is improved, on the other hand, the friction is weakened, the damage of the shaping block 35 on the surface of the plastic pipe is reduced, the forming quality of the plastic pipe is improved, and the actual application effect of the plastic pipe rolling machine is effectively improved.
As an embodiment of the present invention, the water inlet 13 is disposed obliquely; the arrangement density of the water inlets 13 on the box body 1 is continuously increased along with the distance from the discharge hole 12; when in work, water flows through the water inlet 13 and inclines towards the direction of the discharge hole 12; because the plastic pipe continuously enters through the feed port 11, the water temperature around the pipe is continuously increased, the cooling effect of the water flow along with the distance from the feed port 11 is not obvious, the water outlets 14 are arranged on the two sides of the water tank, so that water flow can enter and impact the surface of the pipe at each position of the water tank, the uniform temperature of the water flow around the pipe in the water tank is ensured, because the temperature of the plastic pipe which just enters is high, the water flow heating block close to the feed port 11 is enabled, therefore, the quantity of the water inlets 13 near one end of the feed inlet 11 is increased, so that the water inflow near the cooling water tank is large, the flow rate of the water flow is accelerated, the water flow at the water inlet 13 is fast to replace, the temperature is slowly increased, the water cooling temperature of each part of the pipe is consistent, the cooling effect of the cooling water tank is improved, and the problem that the pipe is partially contracted and bent due to the fact that the plastic pipe is partially not completely cooled and then is discharged out of the cooling water tank is avoided; according to the plastic pipe cooling device, water flow can be supplemented to all positions of the cooling water tank through the arrangement of the water inlet 13, so that the uniformity of the water temperature in the cooling water tank is guaranteed, the same cooling effect of the cooling water tank on all positions of a plastic pipe is guaranteed, the cooling effect of the cooling water tank on the plastic pipe is further improved, the water inlet 13 is obliquely arranged, the flow speed of water in the cooling water tank is accelerated, the heat exchange effect of the water is increased, and the cooling efficiency of the cooling water tank is accelerated.
As an embodiment of the present invention, the water inlet 13 is shaped like a horn; when the plastic pipe cooling device works, when external water flow enters from the water inlet 13, the water inlet 13 is in a horn shape, the water inflow is unchanged, the diameter of the water inlet 13 is reduced, the spraying speed of the water flow from the water inlet 13 is increased, the flow speed of the water flow in the cooling water tank is increased, the cooling effect of the water flow is improved, the impact force of the water flow is increased, the temperature-rising water flow around the plastic pipe is far away from the periphery of the plastic pipe under the impact of the water flow sprayed from the water inlet 13, the temperature of the water flow around the plastic pipe is reduced, the cooling effect of the plastic pipe is improved, and the actual application effect of the plastic pipe cooling device is effectively improved.
The specific working process is as follows:
the plastic pipe forming system comprises an extruder, a condensed water tank, a printing device and a cutting device, and is used for extruding and forming the plastic pipe through the extruder; introducing the extruded and molded pipe into a condensation water tank, so that the condensation water tank cools and molds the extruded plastic pipe; placing the cooled plastic pipe at a printing device, so that the printing device is used for printing a label on the surface of the condensed and shaped plastic pipe; finally, a cutting device is used for cutting the printed plastic pipe; when the pipe extruded by the extruder is cooled and formed, the controller controls the electric push rod 22 to contract, so that the electric push rod 22 pushes the two supports 21 to be away from each other, so that the two supports 21 drive the rollers 23 to be away from each other until the plastic pipe extruded by the extruder enters between the two adjacent rollers 23, at the moment, the controller controls the electric push rod 22 to reset, so that the two rollers 23 are close to each other under the driving of the electric push rod 22 until the rollers 23 are contacted with each other, at the moment, the extruded plastic pipe passes through the two rollers 23, so that the rollers 23 roll the surface of the plastic pipe, so that the surface of the plastic pipe is flat, when the plastic pipe enters the condensate tank through the feed inlet 11 and extends out of the condensate tank from the discharge outlet 12, the water outlet 14 is closed, and the controller controls external water flow to enter the water tank through the water inlet 13 and fill the water tank, so as to open the water outlet 14, adjusting the water inflow to keep the water inflow in the condensed water tank consistent with the water outflow, and sealing the feed inlet 11 and the discharge outlet 12 of the plastic pipe by sealing rings to ensure that the plastic pipe is in sliding sealing connection with the feed inlet 11 and the discharge outlet 12; the controller controls the driving motor 33 to drive the roller to rotate, so that the roller shaft 31 drives the rotating plate 32 to move through the meshing of the convex strips 311 and the meshing grooves 321, the rotating plate 32 drives the plastic block 35 to move synchronously, when the rotating plate 32 moves and is meshed with the roller shaft 31 close to the feed port 11, the rotating plate 32 drives the plastic block 35 to rotate downwards along with the rotation of the roller shaft 31, and the plastic block 35 is clamped on the surface of the plastic pipe, so that the plastic block 35 shapes the plastic pipe; the plastic pipe in the cooling water tank is shaped by the shaping module 3 along with the continuous feeding of the pipe, and the part of the front end of the pipe which is not completely cooled is cut off and recovered by a worker; when the roller shaft 31 drives the rotating plate 32 to rotate downwards, one end of the curved surface of the shaping block 35 is in contact with the feeding pipe 15, and rotates downwards along with the roller shaft 31, so that the curved surfaces of the two shaping blocks 35 are extruded by the feeding pipe 15, the two shaping blocks 35 rotate in opposite directions against the torsion force of the torsion spring, the curved surfaces slide downwards along the surface of the feeding pipe 15 until the shaping blocks 35 rotate to be perpendicular to the feeding pipe 15, at the moment, the feeding pipe 15 is completely clamped between the semicircular grooves 351 of the two shaping blocks 35, at the moment, the two shaping blocks 35 approach each other under the driving of the restoring force of the torsion spring, so that the feeding pipe 15 is in contact with the groove bottom of the semicircular grooves 351, the shaping blocks 35 slide along the surface of the feeding pipe 15 along with the movement of the rotating plate 32 until the shaping blocks 35 are in contact with the plastic pipe, so that the outer wall of the plastic pipe is in close contact with the groove bottoms of the semicircular grooves 351 of the two shaping blocks 35, and the rotating plate 32 moves to enable the shaping blocks 35 to slide along the surface of the plastic pipe, so that the plastic pipe becomes flat under the extrusion and sliding of the shaping block 35.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a plastics tubular product molding system, includes the condensate tank, its characterized in that: the condensed water tank comprises a tank body (1), a mounting frame (2), a shaping module (3) and a controller; a feed inlet (11) and a discharge outlet (12) are formed in two ends of the box body (1); a water inlet (13) is formed in each of two side walls of the box body (1); a water outlet (14) is formed in the lower end of the box body (1); one side of the mounting rack (2) is fixedly connected with a driving motor (33); the mounting rack (2) is fixedly connected to the upper end of the box body (1); the lower end of the mounting frame (2) is provided with a shaping module (3); the shaping module (3) comprises a roll shaft (31) and a rotating plate (32); the roll shaft (31) is rotatably connected with the mounting rack (2) through a support rod (34); convex strips (311) are arranged on the surface of the roll shaft (31); the lower end of the rotating plate (32) is provided with an engaging groove (321); the rotating plate (32) is meshed with the roller shaft (31); an output shaft of the driving motor (33) is fixedly connected with the roll shaft (31); two adjacent rotating plates (32) are hinged; the upper end of the rotating plate (32) is provided with a shaping block (35); a support (21) is arranged at one end of the mounting rack (2) far away from the discharge hole (12); the number of the brackets (21) is two; the two brackets (21) are arranged on two sides of the mounting rack (2) through electric push rods (22) in a side-by-side mode; the lower end of the bracket (21) is rotatably connected with an arc-shaped inwards concave roller (23); the controller is used for controlling the whole condensed water tank to automatically operate.
2. A plastic pipe molding system as claimed in claim 1, wherein: a feeding pipe (15) is arranged at the feeding hole (11); the shaping blocks (35) are arranged in pairs; the two plastic blocks (35) are rotationally connected with the rotating plate (32) through torsion springs; one surfaces of the two shaping blocks (35) close to each other are provided with semicircular grooves (351); one end of the shaping block (35) far away from the rotating plate (32) is set to be a smooth curved surface.
3. A plastic pipe molding system as claimed in claim 1, wherein: the lower end of the rotating plate (32) is fixedly connected with a U-shaped plate (37); two opposite side walls of the U-shaped plate (37) are provided with sliding grooves (371); a plastic block (35) is connected in the sliding groove (371) in a sliding way; the shaping block (35) and the side wall of the sliding groove (371) are fixedly arranged through a spring (372).
4. A plastic pipe molding system as claimed in claim 3, wherein: a sliding block (373) is connected in the sliding groove (371) in a sliding manner; the sliding block (373) is fixedly connected with the side wall of the sliding groove (371) through a spring (372); the plastic block is rotationally connected with a sliding block (373); the shaping block (35) is cylindrical; the molding block is rotatably connected to the lower end of the rotating plate (32); the surface of the molding block is provided with a semicircular annular groove (352).
5. A plastic pipe molding system as claimed in claim 1, wherein: the water inlet (13) is obliquely arranged; the arrangement density of the water inlets (13) on the box body (1) is continuously increased along with the distance from the discharge hole (12).
6. A plastic pipe molding system as claimed in claim 5, wherein: the shape of the water inlet (13) is horn-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017728.XA CN114474642A (en) | 2022-01-08 | 2022-01-08 | Plastic pipe forming system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017728.XA CN114474642A (en) | 2022-01-08 | 2022-01-08 | Plastic pipe forming system |
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| CN114474642A true CN114474642A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210017728.XA Pending CN114474642A (en) | 2022-01-08 | 2022-01-08 | Plastic pipe forming system |
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| CN209755998U (en) * | 2019-03-02 | 2019-12-10 | 成都红泰塑胶管业有限公司 | pipe clamp on plastic pipe cooling device |
| CN112172075A (en) * | 2020-10-10 | 2021-01-05 | 福建帕特汽车零部件有限公司 | Plastic plate extrusion coating production line |
| CN213412866U (en) * | 2020-09-28 | 2021-06-11 | 江苏惠升管业集团有限公司 | Plastics tubular product cooling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601973A (en) * | 2012-03-28 | 2012-07-25 | 铜陵格瑞特挤出技术有限公司 | Water tank shaping block for cooling and shaping plastic-extruded sectional material |
| CN103057095A (en) * | 2013-01-06 | 2013-04-24 | 四川江瀚工业股份有限公司 | Rolling sizing device |
| CN206855980U (en) * | 2017-06-16 | 2018-01-09 | 江西乔威化工有限公司 | A kind of waterproofing membrane production cooling device |
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| CN209580558U (en) * | 2018-11-28 | 2019-11-05 | 青岛盛达尔包装有限公司 | A kind of strapping band product line set on limiting device |
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| CN112172075A (en) * | 2020-10-10 | 2021-01-05 | 福建帕特汽车零部件有限公司 | Plastic plate extrusion coating production line |
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