CN114770909B - Outer cladding layer feeding mechanism of FRPP three-layer wall reinforced pipe production equipment - Google Patents
Outer cladding layer feeding mechanism of FRPP three-layer wall reinforced pipe production equipment Download PDFInfo
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- CN114770909B CN114770909B CN202210334740.3A CN202210334740A CN114770909B CN 114770909 B CN114770909 B CN 114770909B CN 202210334740 A CN202210334740 A CN 202210334740A CN 114770909 B CN114770909 B CN 114770909B
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- 238000005253 cladding Methods 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 77
- 238000000576 coating method Methods 0.000 claims abstract description 77
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 7
- 239000004429 Calibre Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 60
- 239000011247 coating layer Substances 0.000 abstract description 8
- 239000000835 fiber Substances 0.000 description 11
- 238000001125 extrusion Methods 0.000 description 9
- 238000004804 winding Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
-
- 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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides an outer cladding layer feeding mechanism of FRPP three-wall reinforced pipe production equipment, and belongs to the technical field of FRPP three-wall reinforced pipe production equipment. The outer cladding layer of the existing three-layer wall reinforced pipe is coated unevenly. This FRPP three-layer wall reinforcing pipe production facility's outer coating feed mechanism, including but transverse movement's planker, be equipped with on the planker along transversely just and respectively with the both ends location of pipe embryo move die head and the head that touches, planker one side is equipped with the extruder, the head that touches includes rotatable pedestal and connects on the pedestal and be tubular support piece, support piece has the small-bore end that can support the embryo inner wall and can supply the outer coating to place to hold the heavy-calibre end, the diameter of heavy-calibre end is greater than the diameter of small-bore end, and the small-bore end is located the one end that is close to and moves the die head. The outer coating layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment improves the uniformity and stability of outer coating layer feeding, and further improves the feeding quality of the outer coating layer.
Description
Technical Field
The invention belongs to the technical field of FRPP three-wall reinforced pipe production equipment, and relates to an outer coating feeding mechanism of the FRPP three-wall reinforced pipe production equipment.
Background
The FRPP reinforced pipe is made of fiber reinforced polypropylene material, and has special structure with reinforced ribs on the smooth outer wall, and the reinforced ribs are of I-steel structure, so that compared with the traditional solid wall pipe, the reinforced FRPP reinforced pipe has the advantages of light weight, high strength and the like, and has excellent use performance and good cost performance, so that the reinforced FRPP pipe is widely applied to urban construction drainage and pollution discharge engineering.
However, the conventional FRPP reinforced pipe is divided into three layers, and as shown in fig. 5, the RPP triple-wall reinforced pipe includes a pipe blank 9, a fiber tape layer 10, and an outer cladding layer 101, the outer cladding layer 101 being wound on the fiber tape layer 10, and the fiber tape layer 10 being wound on the pipe blank 9.
The outer coating layer needs to be extruded by an extruder, and the temperature of the extruded outer coating layer is high, so that the outer coating layer can be directly and rapidly coated on the fiber belt layer. Such as chinese patent application [ grant bulletin number: CN107825731B discloses a production line of a production process of a PP skeleton reinforced PE spiral corrugated pipe, comprising a first extrusion device for extruding a base strip, an unreeling machine for unreeling a pipe strip, a cooling water tank for cooling and shaping the base strip, a drafting mechanism for drafting the pipe strip, a second extrusion device for extruding a film-coated strip, a third extrusion device for extruding hot melt adhesive and a winding machine for winding the composite strip, which are sequentially arranged according to the production procedure, wherein the winding machine comprises a frame, a main shaft assembly driving mechanism for driving the main shaft assembly to rotate, a guide plate and a rolling wheel, the main shaft assembly is used for winding the composite strip and driving the composite strip to rotate, the guide plate is obliquely arranged for guiding the composite strip to wind along a spiral angle, and the rolling wheel is used for rolling the composite strip, and extrusion dies of the second extrusion device and the third extrusion device are arranged on the periphery of the main shaft assembly.
The structure is that the substrate strip, the pipe body strip and the film-coated strip are compounded into the compound strip and then spirally wound, so that the substrate strip, the pipe body strip and the film-coated strip are required to be compounded firstly and wound on the PP framework, but the film-coated strip is softer in the winding process due to the fact that the temperature of the film-coated strip is higher after extrusion, and the extruded film-coated strip is directly placed on the pipe body strip, so that the situation that wrinkles and the like can occur in the extruded film-coated strip, the film-coated strip cannot be uniformly coated on the pipe body strip, and the product quality is reduced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an outer cladding layer feeding mechanism of FRPP three-layer wall reinforced pipe production equipment, which aims to solve the technical problems that: how to solve the problem of uneven coating of the outer coating layer of the existing three-layer wall reinforced pipe.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an FRPP three-layer wall reinforcing pipe production facility's outer coating feed mechanism, includes but lateral shifting's planker, be equipped with on the planker along the lateral just can with the both ends location of pipe embryo respectively movable die head and fixed die head, its characterized in that, planker one side is equipped with the extruder, the fixed die head includes rotatable pedestal and connects on the pedestal and be tubular support piece, support piece has the small-bore end that can support the embryo inner wall and can supply the heavy-calibre end that the outer coating placed, the diameter of heavy-calibre end is greater than the diameter of small-bore end, and the small-bore end is located the one end that is close to movable die head, and this outer coating feed mechanism still includes the supporting roller one that can supply the banded outer coating of extruder extrusion to support and the supporting roller two that can be outside coating direction.
Working principle: the outer coating is extruded through the extruder, and the existing fiber tape layer is wound on the pipe blank, but because the outer coating after extrusion of the extruder is softer, the supporting roller I can be used for supporting the just extruded banded outer coating, the just extruded outer coating is prevented from having viscosity, deformation is generated under the influence of self gravity, the shaped outer coating is guided through the supporting roller II, the matching of the supporting roller II and the supporting roller I can also play the effect of tensioning the outer coating at the moment, the two ends of the pipe blank after winding the fiber tape layer are positioned through the moving die head and the fixed die head, the initial end of the outer coating can be placed at the large caliber end of the supporting piece by a worker, the outer coating on the large caliber end can move to the pipe blank on the small caliber end along with the rotation of the pipe blank and the transverse movement of the fixed die, the large caliber end of the supporting piece can play the role of supporting the outer coating when the outer coating is initially coated, the effect of the outer coating can be achieved when moving, the outer coating can be gradually and stably carried out, the outer coating can be gradually and stably deformed when the outer coating is gradually increased through the moving die head and the supporting roller, the outer coating is gradually increased when the outer coating is gradually cooled, the outer coating is more stably wound on the outer coating is more stably coated through the supporting roller, and the soft coating is further cooled, and the hardness of the outer coating is gradually increased when the outer coating is more stably coated on the supporting roller.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the supporting piece comprises three arc-shaped supporting plates, the supporting piece is provided with a supporting end and a positioning end, the supporting ends of the three supporting plates are encircled to form a large-caliber end, and the positioning ends of the three supporting plates are encircled to form a small-caliber end.
The backup pad is provided with three, and three backup pad can radial relative movement to can realize establishing the cover that the pipe embryo is quick on small-bore end, the rethread three backup pad radially opens, thereby realize with pipe embryo tensioning, through setting up supporting terminal and locating terminal, the supporting terminal can support the outer coating, make the outer coating can be better remove to the pipe embryo of locating terminal on, consequently the backup pad can play the support guiding effect to the outer coating, can also play the effect with quick installation and tensioning location of pipe embryo, thereby make the even and stable of outer coating material loading, further promoted the material loading quality of outer coating.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the supporting plates are provided with the guide surfaces between the supporting ends and the positioning ends, the guide surfaces in the three supporting plates are encircled to form a circular ring surface, and the guide surfaces are obliquely outwards arranged from one end close to the positioning ends to one end close to the supporting ends.
The setting of guide surface for the outer coating that is located on the supporting terminal can slide along the guide surface and establish on the pipe embryo of locating terminal, and the guide surface is outwards set up from the one end that is close to the locating terminal to the one end slope that is close to the supporting terminal, makes the direction of guide surface more stable, and the setting of guide surface can supply the tip of pipe embryo to support and lean on, also can make the tip of pipe embryo by the further tensioning of giving of guide surface, makes the location of pipe embryo more stable, thereby can make the material loading of outer coating more stable.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the base body is connected with the three-jaw chuck, and the three supporting plates are respectively connected with the jaws of the three-jaw chuck.
The outer cladding layer can be wound from the upper surface of the first supporting roller, then the outer cladding layer is wound from the lower surface of the second supporting roller, and the outer cladding layer is pulled out from the lower surface of the second supporting roller to be wound on the supporting end of the supporting plate, so that the outer cladding layer can be smoothly and non-obliquely wound on the fiber tape layer of the pipe blank, and the support and the tensioning of the outer cladding layer are realized; and through setting up three-jaw chuck for the radial movement of three backup pad is gone on in step, consequently three backup pad can surround all the time at the in-process that removes and form tubular structure, thereby has guaranteed that the backup pad can be stable after moving in place with the tensioning of pipe embryo with support the outer coating, has promoted the winding quality and the stability of outer coating.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the first supporting roller and the second supporting roller are both positioned between the extruder and the carriage, the outer cladding layer feeding mechanism further comprises a mounting plate and two hinged frames hinged to the mounting plate, and the two hinged frames are hinged to the first supporting roller and the second supporting roller respectively and are positioned through positioning pieces.
The setting of this structure for backing roll one and backing roll two can be located the outer coating between extruder and the planker and support, and through the setting of articulated frame, make backing roll one and backing roll two's angle can be adjusted according to actual conditions, follow the better support and the tensioning to the outer coating of being convenient for, thereby promoted outer coating winding stability.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the hinge bracket comprises two hinge plates, the first supporting roller and the second supporting roller are respectively arranged between the corresponding two hinge plates and are connected with the corresponding hinge plates, two positioning plates are fixedly connected to the mounting plate, the two hinge plates are respectively hinged to the same ends of the two positioning plates, positioning rods capable of penetrating through the hinge plates are arranged between the two positioning plates in a penetrating mode, the positioning pieces are fixing nuts, and the end portions of the positioning rods are in threaded connection with the fixing nuts and compress the hinge plates on the positioning plates.
The setting of locating lever and articulated slab for backing roll one and backing roll two homoenergetic are stable articulates on the articulated frame, and can adjust the angle of backing roll one and backing roll two through adjusting the contained angle between articulated slab and the locating plate, thereby realized further tensioning of outer coating, and to the outer coating of different sizes and thickness, the angle of accessible adjustment backing roll one and backing roll two just can make the outer coating level and stable winding on the fibrous tape layer, further promoted outer coating feed mechanism's suitability and stability.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the first supporting roller, the second supporting roller and the positioning rod are arranged in parallel.
The arrangement of the structure ensures that the first support roller and the second support roller are more convenient to adjust, and the first support roller and the second support roller have better stability due to the fact that the positioning rod, the two hinged plates and the corresponding first support roller or the second support roller form a parallelogram.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the two ends of the positioning plate extend out of the mounting plate, and the positioning rods are arranged outside the mounting plate.
The setting of this structure for locating plate and locating lever all do not influence the angle of adjustment of backing roll one and backing roll two, and backing roll one and backing roll two all can be adjusted to the below that is located the mounting panel, further promoted outer coating feed mechanism's suitability.
In the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment, the outer cladding layer feeding mechanism comprises an adjusting seat, a sliding rail is arranged on the adjusting seat, the mounting plate is slidably connected onto the sliding rail and moves along the direction towards or away from the carriage, and a discharge hole of the extruder is positioned above the first supporting roller and the second supporting roller in an inclined manner.
Through the position of adjustment mounting panel for the position of backing roll one and backing roll two also can be adjusted, thereby make the angle modulation of backing roll one and backing roll two more convenient, can be stable support and tensioning to the outer coating, further promoted backing roll one and backing roll two convenience and stability of adjusting.
In the outer cladding layer feeding mechanism of the FRPP three-layer reinforced pipe production equipment, the FRPP three-layer reinforced pipe production equipment comprises a rack, wherein a rack is arranged on the rack, and a driving gear meshed with the rack and a driving motor fixedly connected with the rack for driving the driving gear to rotate are hinged on the carriage.
The driving motor drives the driving gear to rotate, so that the carriage can move along the rack, the extruder, the first supporting roller and the second supporting roller are fixedly arranged, the carriage is only required to be moved, the outer cladding layer is stably wound on the fiber belt layer through the rotation of the movable die head and the fixed die head, and the feeding stability of the outer cladding layer feeding mechanism is further improved.
Compared with the prior art, the invention has the following advantages:
1. the initial end of the outer coating can be placed at the large caliber end of the supporting piece by a worker, the outer coating located at the large caliber end automatically rotates along with the transverse movement of the carriage and the pipe blank of the movable die head and the fixed die head, the outer coating located at the large caliber end automatically rotates along with the pipe blank and the transverse movement of the carriage can move to the pipe blank sleeved at the small caliber end, so that the large caliber end of the supporting piece can play a role in supporting the outer coating when the outer coating is initially coated, a certain guiding effect can be achieved when the outer coating moves, the outer coating is gradually cooled after being extruded from the extruder, the hardness of the outer coating is gradually increased, the outer coating is supported by the first supporting roller when the outer coating is softer and is easy to deform, and the outer coating is guided by the second supporting roller when the outer coating is gradually hardened, so that the outer coating can be more stably wound on the limiting belt layer, and the uniformity and stability of the outer coating feeding are improved.
2. The arrangement of the guide surface can enable the end part of the pipe blank to be propped against, and can also enable the end part of the pipe blank to be further tensioned by the guide surface, so that the positioning of the pipe blank is more stable, and the feeding of the outer cladding layer is more stable.
Drawings
FIG. 1 is a schematic illustration of a portion of the assembled structure of the present invention.
FIG. 2 is a second schematic view of the assembled part of the present invention.
Fig. 3 is a schematic view of the structure of the extruder, the support roll assembly and the adjustment block of the present invention.
FIG. 4 is a third schematic illustration of the assembled part of the present invention.
Fig. 5 is a partial cross-sectional view of an FRPP triple-wall reinforced pipe processed in accordance with the present invention.
In the figure, 1, a carriage; 11. a drive gear; 12. a driving motor; 2. a fixed die head; 21. a three-jaw chuck; 21a, a claw; 22. a support; 22a, a support plate; 22b, a large caliber end; 22c, a small caliber end; 22d, a guide surface; 23. a base; 24. an inner cavity; 3. an extruder; 4. a backup roll assembly; 41. a mounting plate; 41a, positioning plates; 42. a first supporting roller; 43. a second supporting roller; 44. a hinge bracket; 44a, hinged plates; 45. a positioning rod; 5. a fixing nut; 6. an adjusting seat; 61. a slide rail; 7. a frame; 71. a rack; 8. a driving member; 9. a tube blank; 10. a fibrous tape layer; 101. an outer coating layer; 102. and (5) moving the die head.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 1, the outer cladding layer feeding mechanism of the FRPP three-layer wall reinforced pipe production equipment comprises a carriage 1 capable of transversely moving, wherein the carriage 1 is provided with a movable die head 102 and a fixed die head 2 which are transversely opposite to each other and can be respectively positioned at two ends of a pipe blank 9, and the movable die head 26 and the fixed die head 27 can be driven to rotate through a rotating motor.
Specifically, as shown in fig. 1-5, an extruder 3 is arranged at one side of the carriage 1, the fixed die head 2 comprises a rotatable base 23 and a cylindrical supporting member 22 connected to the base 23, the supporting member 22 is provided with a small caliber end 22c capable of supporting the inner wall of the blank 9 and a large caliber end 22b capable of placing the outer cladding 101, the diameter of the large caliber end 22b is larger than that of the small caliber end 22c, the small caliber end 22c is positioned at one end close to the movable die head 26, the outer cladding feeding mechanism further comprises a supporting roller assembly 4 for supporting and tensioning the strip-shaped outer cladding 101 extruded by the extruder 3, and the supporting roller assembly 4 comprises a supporting roller I42 capable of supporting the strip-shaped outer cladding 101 and a supporting roller II 43 capable of guiding the outer cladding 101.
Working principle: the outer cladding 101 is extruded by the extruder 3, the existing fiber tape layer 10 is wound on the pipe blank 9, but because the outer cladding 101 extruded by the extruder 3 is softer, the support roller assembly 4 is internally provided with the support roller I42 which can support the outer cladding 101 which is just extruded and takes the shape of a belt, the outer cladding 101 which is just extruded is prevented from having viscosity and deforming under the influence of self gravity, the shaped outer cladding 101 is guided by the support roller II 43, at the moment, the cooperation of the support roller II 43 and the support roller I41 can also play the effect of tensioning the outer cladding 101, the moving die head 102 and the fixed die head 2 can position the two ends of the pipe blank 9 wound by the fiber tape layer 10, the initial end of the outer cladding 101 can be placed at the large caliber end 22b of the support member 22 by a worker, the pipe blank 9 is driven by the moving die head 102 and the fixed die head 2 along with the transverse movement of the carriage 1, the outer coating 101 on the large caliber end 22b can move to the pipe blank 9 sleeved on the small caliber end 22c along with the rotation of the pipe blank 9 and the transverse movement of the carriage 1, so that the large caliber end 22b of the support piece 22 can play a role in supporting the outer coating 101 when the outer coating 101 is initially coated, and plays a certain guiding role when moving, the outer coating 101 is gradually cooled after being extruded from the extruder 3, the hardness of the outer coating 101 is gradually increased, the outer coating 101 is supported by the first supporting roller 42 when the outer coating 101 is softer and is easy to deform, the second supporting roller 43 guides the outer coating 101 when the outer coating 101 is gradually hardened, the outer coating 101 can be more stably wound on the limiting belt layer 10, the uniformity and the stability of the feeding of the outer coating 101 are improved, further improving the loading quality of the outer cladding 101.
As shown in fig. 2, the support 22 includes three support plates 22a which are arc-shaped and can move radially relatively, the support plates 22a have support ends and positioning ends, the support ends of the three support plates 22a are surrounded to form a large caliber end 22b, the positioning ends of the three support plates 22a are surrounded to form a small caliber end 22c, the support 22 is provided with a guide surface 22d between the support ends and the positioning ends, the guide surfaces 22d on the three support plates 22a are surrounded to form a circular ring surface, and the guide surfaces 22d are arranged obliquely outwards from one end close to the positioning ends to one end close to the support ends.
As shown in fig. 2-4, the supporting roller assembly 4 includes a mounting plate 41 and two hinge brackets 44 hinged on the mounting plate 41, two positioning plates 41a are fixedly connected on the mounting plate 41, the hinge brackets 44 include two hinge plates 44a vertically arranged, a supporting roller 42 is arranged between the two hinge plates 44a of one hinge bracket 44, the end part of the supporting roller 42 is connected with the hinge plates 44a through a fixing nut 5, a supporting roller 43 is arranged between the two hinge plates 44a of the other hinge bracket 44, the end part of the supporting roller 43 is connected with the hinge plates 44a through the fixing nut 5, the two hinge plates 44a are respectively hinged with the same end of the two positioning plates 41a, a positioning rod 45 capable of penetrating through the hinge plates 44a is arranged between the two positioning plates 41a, the end part of the positioning rod 45 is in threaded connection with the fixing nut 5 and presses the hinge plates 44a on the positioning plates 41a, the supporting roller 42, the supporting roller 43 and the positioning rod 45 are mutually parallel, the two ends of the positioning plates 41a extend out of the mounting plate 41, and the positioning rods 44 are arranged outside the mounting plate 41.
As shown in fig. 1 and 3, the feeding mechanism for the outer cladding layer comprises an adjusting seat 6, a sliding rail 61 is arranged on the adjusting seat 6, a mounting plate 41 is slidably connected on the sliding rail 61 and moves along the direction towards or away from the carriage 1, and a discharge port of the extruder 3 is positioned above the supporting roller 42.
As shown in fig. 4, the FRPP triple-wall reinforcing pipe production apparatus includes a frame 7, a rack 71 is provided on the frame 7, a driving gear 11 engaged with the rack 71 is hinged on the carriage 1, and a driving motor 12 for driving the driving gear 11 to rotate is fixedly connected.
As shown in fig. 1, the movable die 102 is driven by a driving member 8 to move toward the fixed die 2, and the driving member 8 may be a driving cylinder or a guiding rack and a guiding motor.
Example two
The content of this embodiment is basically the same as that of the first embodiment, except that:
the support is a radially contractible net rack, which is connected to the jaws 21a of the three-jaw chuck 21.
The net rack can radially shrink along with the movement of the clamping jaws 21a, so that the support of the outer cladding 101 and the tensioning and positioning of the pipe blank 9 can be further promoted.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides an FRPP three-layer wall reinforcing pipe production facility's outer coating feed mechanism, but including lateral shifting's planker (1), be equipped with on planker (1) along the lateral just and respectively can with the both ends location of pipe embryo (9) movable die head (102) and cover half head (2), characterized in that, planker (1) one side is equipped with extruder (3), cover half head (2) include rotatable pedestal (23) and connect on pedestal (23) and take shape supporting piece (22) of tube-shape, supporting piece (22) have can support small-bore end (22 c) of inner wall of pipe embryo (9) and can supply outer coating (101) to place heavy-calibre end (22 b), the diameter of heavy-calibre end (22 b) is greater than the diameter of small-bore end (22 c), and this outer coating feed mechanism still includes can supply the supporting roller one (42) that the banded outer coating (101) of extruder (3) extruded supports and can lead to cover half (101), supporting piece (22) have three supporting piece (22) and support plate (22) take the form the location end of three supporting plate (22 a) and three supporting plate (22 a), and three supporting plate (22 a) have the location end and three supporting plate (22 a) and form and three supporting plate end (22 a), the support piece (22) is provided with a guide surface (22 d) between a support end and a positioning end, the guide surface (22 d) on the three support plates (22 a) surrounds to form a circular ring surface, the guide surface (22 d) is obliquely arranged outwards from one end close to the positioning end to one end close to the support end, the base body (23) is connected with a three-jaw chuck (21), the three support plates (22 a) are respectively connected with the jaws (21 a) of the three-jaw chuck (21), and the outer cladding layer (101) on the large-caliber end (22 b) rotates along with the rotation of the pipe blank (9) and the transverse movement of the carriage (1) to the pipe blank (9) sleeved on the small-caliber end (22 c) along with the transverse movement of the carriage (1) along with the rotation of the movable die head (102) and the pipe blank (9), so that the large-caliber end (22 b) of the support piece (22) plays a role in supporting the outer cladding layer (101) during initial cladding and plays a role in guiding during movement.
2. The outer cladding feeding mechanism of the FRPP three-wall reinforced pipe production equipment according to claim 1, wherein the first supporting roller (42) and the second supporting roller (43) are both positioned between the extruder (3) and the carriage (1), the outer cladding feeding mechanism further comprises a mounting plate (41) and two hinged frames (44) hinged to the mounting plate (41), and the two hinged frames (44) are hinged to the first supporting roller (42) and the second supporting roller (43) respectively and are positioned through positioning pieces.
3. The outer cladding layer feeding mechanism of the FRPP three-wall reinforcing pipe production apparatus of claim 2, characterized in that the hinge bracket (44) includes two hinge plates (44 a), the first support roller (42) and the second support roller (43) are respectively disposed between the two corresponding hinge plates (44 a) and connected with the corresponding hinge plates (44 a), two positioning plates (41 a) are fixedly connected on the mounting plate (41), the two hinge plates (44 a) are respectively hinged with the same ends of the two positioning plates (41 a), a positioning rod (45) capable of penetrating through the hinge plates (44 a) is arranged between the two positioning plates (41 a), the positioning member is a fixing nut (5), and the end portion of the positioning rod (45) is in threaded connection with the fixing nut (5) and the fixing nut (5) compresses the hinge plates (44 a) on the positioning plates (41 a).
4. The outer cladding feeding mechanism of the FRPP three-wall reinforcing pipe production apparatus of claim 3, characterized in that the first supporting roller (42), the second supporting roller (43) and the positioning rod (45) are disposed parallel to each other.
5. The outer cladding layer feeding mechanism of the FRPP three-wall reinforcing pipe production apparatus of claim 3, characterized in that both ends of the positioning plate (41 a) are protruded from the mounting plate (41), and the positioning rods (45) are disposed outside the mounting plate (41).
6. The outer cladding feeding mechanism of the FRPP three-wall reinforced pipe production equipment according to claim 4, wherein the outer cladding feeding mechanism comprises an adjusting seat (6), a sliding rail (61) is arranged on the adjusting seat (6), the mounting plate (41) is slidably connected to the sliding rail (61) and moves along the direction towards or away from the carriage (1), and a discharge port of the extruder (3) is positioned obliquely above the first supporting roller (42) and the second supporting roller (43).
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