CN211591248U

CN211591248U - Flexible composite high-pressure heat-preservation pipe extruder head

Info

Publication number: CN211591248U
Application number: CN201922324877.7U
Authority: CN
Inventors: 高雄; 黄文安
Original assignee: Xianyang Xinde'an New Material Technology Co ltd
Current assignee: Xianyang Xinde'an New Material Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-29
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a compound high pressure insulating tube extruder head of flexibility in thermoplastic resin former technical field, aim at solving the problem that improves the production qualification rate, including outer inlet pipe, outer inlet pipe one end is established to the import, the other end is established to the export, outer inlet pipe is close to import one end perisporium ring and is equipped with first flange, outer inlet pipe is close to export one end perisporium ring and is equipped with the second flange, inlay in the outer inlet pipe and be equipped with the thermal-insulated pipe that length is less than outer inlet pipe setting, thermal-insulated pipe axis and outer inlet pipe axis coincidence, thermal-insulated pipe one end and first flange fixed connection, outer inlet pipe inside be equipped with outer inlet pipe inner wall fixed's interior inlet pipe, interior inlet pipe is equipped with the spout along length direction, thermal-insulated pipe outer wall ring is equipped with the spacing subassembly that slides along the spout. The utility model discloses the effect that improves the production qualification rate has.

Description

Flexible composite high-pressure heat-preservation pipe extruder head

Technical Field

The utility model belongs to the technical field of the technique of thermoplastic resin former and specifically relates to a flexible compound high pressure insulating tube extruder aircraft nose is related to.

Background

At present, a flexible composite pipe is a novel high-performance composite pipeline, which comprises an inner layer pipe, a reinforcing layer and an outer protective layer, and is applied to the fields of production and manufacturing of land oil, gas and water gathering and transportation pipelines, high-pressure water injection pipelines, hot washing pipelines, marine oil production risers and the like. On the inner layer pipe formed by extruding thermoplastic plastics, polyester filament or other industrial filament is wound in a staggered mode to form a reinforcing layer, then a polyester tape is wound on the outer layer of the reinforcing layer, and finally the thermoplastic plastics are extruded to serve as an outer protective layer. In areas with lower temperature, people sleeve a layer of heat insulation material on the outer protection layer of the conventional composite pipeline to realize the heat insulation effect on the conveyed liquid flowing through the inner layer pipe. The extruder is one of the important equipment of straight tube in the production line of polyethylene PE pipe for the extrusion moulding of material, extrude the material to between the aircraft nose, utilize the electric heater unit who sets up on the feed cylinder to heat the material, so that the material melts and wraps up in the outer layer of attaching hot melt polyethylene to the heat preservation of flexible high pressure composite insulation pipe.

In the prior art, chinese patent with publication number CN206536812U discloses a polyethylene pipe extruder, which comprises an extruder body, wherein the extruder body comprises a machine head, the right end of the machine head is a discharge end, the discharge end of the machine head is provided with a neck mold, the neck mold comprises an outer cylinder and a core rod sleeved in the outer cylinder, the outer cylinder comprises a first outer cylinder and a second outer cylinder, the cylinder wall of the first outer cylinder is provided with an outer cylinder cavity, a temperature sensing device and a constant temperature heating device are arranged in the outer cylinder cavity, and the right end of the second outer cylinder is embedded with a ceramic ring; the left end of the inner cavity of the outer barrel is provided with a horn-shaped opening, a filter screen is arranged between the inner wall of the horn-shaped opening and the outer wall of the mandrel head, the outer barrel is provided with a water injection port positioned on the left side of the filter screen, and the mandrel comprises a mandrel head positioned in the horn-shaped opening and a mandrel tail connected with the right end of the mandrel head; the mandrel head is fixedly connected with the discharge end of the machine head, the mandrel head is detachably connected with the mandrel tail, the mandrel head is in a circular truncated cone shape, and the mandrel tail comprises a mandrel made of a metal material and a rod barrel made of a ceramic material.

The working process is as follows: when the combined type ceramic rod core is used, a proper rod core and a proper rod cylinder, a proper second outer cylinder and a proper ceramic ring are selected according to requirements, and the rod core and the rod cylinder, and the second outer cylinder and the ceramic ring are respectively combined and installed. And then the combined second outer cylinder and the ceramic ring are arranged on the first outer cylinder, and the tail part of the combined mandrel is arranged on the head of the mandrel. And sequentially connecting and checking the devices on the production line. And opening the temperature sensing devices and the constant temperature heating devices inside the core rod and the wall cylinder, and starting up all production equipment of the production line after the temperature reaches a proper temperature. And adding water into the neck mold from the water filling port according to the stopping time or stopping time when the machine is stopped temporarily, unexpectedly or stopped so as to slow the drying and caking of the raw materials. After production is finished, all parts in the neck mold are respectively disassembled and cleaned.

The above prior art solutions have the following drawbacks: under general conditions, an extruder wraps the heat-insulating layer entering the flexible high-pressure composite heat-insulating pipe with a hot-melt polyethylene outer layer, the temperature in the extruder is higher, the heat-insulating layer is deformed without being wrapped with the agglomerated ethylene outer layer, the treatment of wrapping the heat-insulating pipe with thermoplastic resin is not facilitated, and the production efficiency of products is not high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a flexible compound high pressure insulating tube extruder aircraft nose has the beneficial effect that improves insulating tube production efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a head of a flexible composite high-pressure heat-preservation pipe extruder comprises an outer feeding pipe, wherein one end of the outer feeding pipe is provided with an inlet, the other end of the outer feeding pipe is provided with an outlet, the peripheral wall of one end of the outer feeding pipe close to the inlet is provided with a first flange in a surrounding manner, the peripheral wall of one end of the outer feeding pipe close to the outlet is provided with a second flange in a surrounding manner, the outer feeding pipe is provided with heating rings close to the two end rings, the middle section of the two heating rings is provided with a feeding device, a heat insulation pipe with the length smaller than that of the outer feeding pipe is embedded in the outer feeding pipe, the axis of the heat insulation pipe is superposed with the axis of the outer feeding pipe, one end of the heat insulation pipe is fixedly connected with the first flange, an inner feeding pipe fixed with the inner wall of the outer feeding pipe is arranged in the outer feeding pipe, interior inlet tube is equipped with the spout along length direction, thermal-insulated tub of outer wall ring is equipped with the spacing subassembly that slides along the spout, interior inlet tube is close to import one end outer wall and is equipped with first solid fixed ring.

By adopting the technical scheme, when the heat insulation pipe fixing device works, an operator firstly fixes the heat insulation pipe by the limiting assembly, then puts the heat insulation pipe into the inner feeding pipe from an inlet, the limiting assembly slides to one end of the heat insulation pipe along the inner wall chute of the inner feeding pipe to be attached to and fixed with the first flange, the first flange is arranged to realize the integral fixation between the heat insulation pipe and the extruder head, and the first fixing ring is used for stably fixing one end of the heat insulation pipe; the extruder is started, the heating ring arranged on the outer wall of the feeding pipe outside the extruder head carries out hot melting on thermoplastic resin in the extruder, the thermoplastic resin subjected to hot melting enters the inner feeding pipe from the feeding device and carries out gluing on the flexible composite high-pressure heat-insulation pipe in the heat-insulation pipe, the heat-insulation pipe is arranged to realize heat insulation on the outer layer of the heat-insulation pipe passing through the extruder head, the heat-insulation layer of the flexible composite high-pressure heat-insulation pipe is prevented from deforming due to high temperature at the extruder head, and the production qualified rate is improved.

The present invention may be further configured in a preferred embodiment as: the outer wall of the heat insulation pipe is wrapped with heat insulation asbestos.

Through adopting above-mentioned technical scheme, the thermal-insulated asbestos that attaches is wrapped up in to the thermal-insulated outer wall prevents that the inside high temperature of extruder aircraft nose from destroying the heat preservation of flexible compound high pressure insulation pipe, has realized the protection to the heat preservation, plays thermal-insulated effect.

The present invention may be further configured in a preferred embodiment as: the limiting assembly comprises a first fastening piece and a second fastening piece, wherein the first fastening piece is arranged on the heat insulation pipe in a surrounding mode, and the second fastening piece is fixedly connected with the first fastening piece.

Through adopting above-mentioned technical scheme, setting up of first fastener and second fastener has realized the fixed of the heat preservation to flexible compound high pressure insulating tube, makes the heat preservation hug closely outer feeding pipe outer wall, prevents that extruder aircraft nose high temperature from getting into inside the heat insulation pipe.

The present invention may be further configured in a preferred embodiment as: the first fastener comprises a first semicircular clamping plate and a first connecting piece integrally fixed at two ends of the first semicircular clamping plate, and the second fastener comprises a second semicircular clamping plate and a second connecting piece integrally fixed at two ends of the second semicircular clamping plate.

Through adopting above-mentioned technical scheme, first semicircular cardboard and the semicircular cardboard of second have realized cup jointing fixed to the insulating tube outer wall, and the fixed connection of the first fastener of being convenient for and second fastener is hugged closely to first connection piece and second connection piece.

The present invention may be further configured in a preferred embodiment as: the first connecting piece and the second connecting piece are fixedly connected through bolts at one sides close to the first semicircular clamping plate and the second semicircular clamping plate respectively, and the ends, far away from the bolts, of the first connecting piece and the second connecting piece are connected with the sliding groove in a sliding mode.

Through adopting above-mentioned technical scheme, first connection piece and second connection piece can be in the spout slide, have realized the spacing between thermal-insulated pipe and the interior inlet pipe.

The present invention may be further configured in a preferred embodiment as: the heat insulation pipe is characterized in that a horn pipe is arranged at one end of the heat insulation pipe, a first convex wall fixed with the fixing ring through a bolt is annularly arranged on the peripheral wall of the joint of the horn pipe and the heat insulation pipe, and a second convex wall is annularly arranged on the peripheral wall of one end, far away from the horn pipe, of the heat insulation pipe.

Through adopting above-mentioned technical scheme, the guide of the compound high pressure insulating tube of flexible that gets into in the insulating tube has been realized to setting up of insulating tube one end horn pipe, prevents that the insulating tube from advancing a tub mouthful one end and causing the scratch to the heat preservation, and the setting up of first protruding wall and second protruding wall has realized spacing to thermal-insulated asbestos.

The present invention may be further configured in a preferred embodiment as: the feeding device comprises a feeding pipe communicated with the outer feeding pipe and a feeding hopper arranged on the outer feeding pipe and far away from one end of the outer feeding pipe.

Through adopting above-mentioned technical scheme, the entering of thermoplastic resin is convenient for in the setting of pan feeding pipe and feed hopper, and the thermoplastic resin who gets into outer inlet pipe and interior inlet pipe becomes the molten liquid by solid-state after being heated by the heating ring to wrap up in the heat preservation of flexible compound high pressure insulating tube and attach thermoplastic resin and handle, realized the simple operation.

The present invention may be further configured in a preferred embodiment as: the inner feeding pipe is provided with a second fixing ring close to the outer wall of one end of the outlet, a tightening sleeve fixed through a bolt is arranged between the second fixing ring and the second flange, a round hole is formed in the middle of the tightening sleeve, and the straight line of the circle center of the round hole is coincident with the axis of the heat insulation pipe.

Through adopting above-mentioned technical scheme, after the heat preservation of flexible compound high pressure insulating tube wrapped up in attaches thermoplastic resin, the setting of crowded tight cover has realized evenly coating and scraping off thermoplastic resin on the heat preservation outer wall.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the outer layer of the heat preservation pipe passing through the extruder head is insulated through the designed heat insulation pipe, the heat preservation layer of the flexible composite high-pressure heat preservation pipe is prevented from deforming due to high temperature at the extruder head, and the production yield is improved;

2. the heat insulation layer of the flexible composite high-pressure heat insulation pipe is fixed through the designed limiting assembly, so that the heat insulation layer is tightly attached to the outer wall of the outer feeding pipe, and the high temperature of the extruder head is prevented from entering the heat insulation pipe;

3. through the designed tight extrusion sleeve, the thermoplastic resin on the outer wall of the heat insulation layer is uniformly coated and scraped.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of an exploded configuration of the insulated pipe and outer feed pipe;

FIG. 3 is a schematic view of a connection of a first fastener and a second fastener;

FIG. 4 is a schematic view of the outer feed pipe outlet.

In the figure, 1, a feeding device; 2. a limiting component; 11. an inlet; 12. a first flange; 13. a heating ring; 14. a feeding pipe; 15. a feed hopper; 16. an outer feed pipe; 17. a second flange; 18. an outlet; 21. a flare tube; 22. a convex wall; 23. a heat insulating pipe; 24. an inner feed pipe; 25. a chute; 26. a first fastener; 27. a second fastener; 28. a first retaining ring; 29. a second convex wall; 261. a first semicircular clamping plate; 262. a first connecting piece; 271. a second semicircular clamping plate; 272. a second connecting sheet; 41. a sleeve is squeezed; 42. a second retaining ring; 43. a circular hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a flexible compound high pressure insulating tube extruder head, including outer inlet pipe 16, outer inlet pipe 16 one end is established to import 11, the other end is established to export 18, outer inlet pipe 16 is close to import 11 one end perisporium ring and is provided with first flange 12, outer inlet pipe 16 is close to export 18 one end perisporium ring and is provided with second flange 17, outer inlet pipe 16 is close to both ends links and all is provided with heating ring 13, two heating ring 13 interlues are provided with feed arrangement 1, feed arrangement 1 includes pan feeding pipe 14 with outer inlet pipe 16 intercommunication, and set up in outer inlet pipe 16 and keep away from the feed hopper 15 that outer inlet pipe 16 one end set up.

Referring to fig. 1 and 2, in order to realize heat insulation of the outer layer of the heat preservation pipe passing through the head of the extruder and prevent the heat preservation layer of the flexible composite high-pressure heat preservation pipe from deforming due to high temperature at the head of the extruder, a heat preservation pipe 23 with a length smaller than that of the outer feed pipe 16 is embedded in the outer feed pipe 16, heat preservation asbestos is wrapped on the outer wall of the heat preservation pipe 23, in order to realize guidance of the flexible composite high-pressure heat preservation pipe entering the heat preservation pipe 23 and prevent the heat preservation pipe 23 from being scratched by the pipe inlet end of the heat preservation pipe 23, a flared pipe 21 is arranged at one end of the heat preservation pipe 23, in order to realize limiting of the heat preservation asbestos, a first convex wall 22 fixed with a fixing ring through a bolt is arranged on a peripheral wall ring at the joint of the flared pipe 21 and the heat preservation pipe; the axis of the heat insulation pipe 23 coincides with the axis of the outer feeding pipe 16, one end of the heat insulation pipe 23 is fixedly connected with the first flange 12, the inner feeding pipe 24 fixed with the inner wall of the outer feeding pipe 16 is arranged inside the outer feeding pipe 16, and in order to realize the stable fixation of one end of the heat insulation pipe 23, the outer wall of one end, close to the inlet 11, of the inner feeding pipe 24 is provided with a first fixing ring 28.

Referring to fig. 2 and 3, in order to realize the stable fixation of the heat insulation pipe 23 inside the inner feeding pipe 24, the inner feeding pipe 24 is provided with a sliding groove 25 along the length direction, a limiting component 2 sliding along the sliding groove 25 is annularly arranged on the outer wall of the heat insulation pipe 23, the limiting component 2 comprises a first fastening piece 26 annularly arranged on the heat insulation pipe 23 and a second fastening piece 27 fixedly connected with the first fastening piece 26, the first fastening piece 26 comprises a first semicircular clamping plate 261 and a first connecting piece 262 integrally fixed at two ends of the first semicircular clamping plate 261, the second fastening piece 27 comprises a second semicircular clamping plate 271 and a second connecting piece 272 integrally fixed at two ends of the second semicircular clamping plate 271, the first connecting piece 262 and the second connecting piece 272 are fixedly connected through bolts at the sides close to the first semicircular clamping plate 261 and the second semicircular clamping plate 271 respectively, and the ends of the first connecting piece 262 and the second connecting piece 272 far away from the bolts are slidably.

Referring to fig. 4, in order to uniformly coat and scrape the thermoplastic resin on the outer wall of the heat insulation layer, a second fixing ring 42 is arranged on the outer wall of one end, close to the outlet 18, of the inner feeding pipe 24, a tightening sleeve 41 fixed through bolts is arranged between the second fixing ring 42 and the second flange 17, a round hole 43 is formed in the middle of the tightening sleeve 41, and a straight line where the circle center of the round hole 43 is located is overlapped with an axis where the axis of the heat insulation pipe 23 is located.

The implementation principle of the embodiment is as follows: during operation, operating personnel makes earlier that spacing subassembly 2 is fixed with thermal-insulated pipe 23, inlet pipe 24 in putting into thermal-insulated pipe 23 from import 11 again, flared tube 21 is towards the import 11 outside, spacing subassembly 2 slides to thermal-insulated pipe 23 one end along interior inlet pipe 24 inner wall spout 25, laminate mutually between first flange 12 and the extruder aircraft nose and fix through the bolt, start the extruder, the heating ring 13 that the outer wall ring of the outer inlet pipe 16 of extruder aircraft nose established carries out hot melt department to the thermoplastic resin in the extruder, the thermoplastic resin of hot melt processing gets into interior inlet pipe 24 and carries out rubberizing to the flexible compound high pressure insulating tube in the thermal-insulated pipe 23 from feed hopper 15.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a flexible compound high pressure insulating tube extruder aircraft nose, includes outer inlet pipe (16), import (11) are established to outer inlet pipe (16) one end, and the other end is established to export (18), its characterized in that: the outer feeding pipe (16) is provided with a first flange (12) close to the peripheral wall of one end of the inlet (11), the outer feeding pipe (16) is provided with a second flange (17) close to the peripheral wall of one end of the outlet (18), the outer feeding pipe (16) is provided with heating rings (13) close to two end rings, two feeding devices (1) are arranged at the middle section of each heating ring (13), a heat insulation pipe (23) with the length smaller than that of the outer feeding pipe (16) is embedded in the outer feeding pipe (16), the axis of the heat insulation pipe (23) is overlapped with that of the outer feeding pipe (16), one end of the heat insulation pipe (23) is fixedly connected with the first flange (12), an inner feeding pipe (24) fixed with the inner wall of the outer feeding pipe (16) is arranged inside the outer feeding pipe (16), a sliding groove (25) is arranged in the inner feeding pipe (24) along the length direction, a limiting component (2) sliding along the sliding groove, the outer wall of one end, close to the inlet (11), of the inner feeding pipe (24) is provided with a first fixing ring (28).

2. The extruder head of the flexible composite high-pressure heat-insulating pipe extruder according to claim 1, characterized in that: the outer wall of the heat insulation pipe (23) is wrapped with heat insulation asbestos.

3. The extruder head of the flexible composite high-pressure heat-insulating pipe extruder according to claim 1, characterized in that: the limiting assembly (2) comprises a first fastening piece (26) arranged on the heat insulation pipe (23) in a surrounding mode and a second fastening piece (27) fixedly connected with the first fastening piece (26).

4. The extruder head of the flexible composite high-pressure heat-insulating pipe extruder according to claim 3, characterized in that: the first fastener (26) comprises a first semicircular clamping plate (261) and a first connecting plate (262) integrally fixed at two ends of the first semicircular clamping plate (261), and the second fastener (27) comprises a second semicircular clamping plate (271) and a second connecting plate (272) integrally fixed at two ends of the second semicircular clamping plate (271).

5. The extruder head of the flexible composite high-pressure heat-preservation pipe extruder according to claim 4, characterized in that: the first connecting piece (262) and the second connecting piece (272) are fixedly connected through bolts at one sides close to the first semicircular clamping plate (261) and the second semicircular clamping plate (271) respectively, and one ends, far away from the bolts, of the first connecting piece (262) and the second connecting piece (272) are connected with the sliding groove (25) in a sliding mode.

6. The extruder head of the flexible composite high-pressure heat-insulating pipe extruder according to claim 1, characterized in that: the heat insulation pipe is characterized in that a flared pipe (21) is arranged at one end of the heat insulation pipe (23), a first convex wall (22) fixed with a first fixing ring (28) through a bolt is annularly arranged on the peripheral wall of the joint of the flared pipe (21) and the heat insulation pipe (23), and a second convex wall (29) is annularly arranged on the peripheral wall of one end, far away from the flared pipe (21), of the heat insulation pipe (23).

7. The extruder head of the flexible composite high-pressure heat-insulating pipe extruder according to claim 1, characterized in that: the feeding device (1) comprises a feeding pipe (14) communicated with the outer feeding pipe (16) and a feeding hopper (15) arranged at one end of the outer feeding pipe (16) far away from the outer feeding pipe (16).

8. The extruder head of the flexible composite high-pressure heat-insulating pipe extruder according to claim 1, characterized in that: interior inlet pipe (24) are close to export (18) one end outer wall and are equipped with solid fixed ring of second (42), be equipped with between solid fixed ring of second (42) and second flange (17) through bolt fastening's tight cover of crowded (41), round hole (43) have been seted up in the middle of tight cover of crowded (41), the straight line of round hole (43) centre of a circle place and heat insulating tube (23) axle center place axis coincidence setting.