CN114290637B - Plastic pipe fitting extruder mould - Google Patents
Plastic pipe fitting extruder mould Download PDFInfo
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- CN114290637B CN114290637B CN202210002833.6A CN202210002833A CN114290637B CN 114290637 B CN114290637 B CN 114290637B CN 202210002833 A CN202210002833 A CN 202210002833A CN 114290637 B CN114290637 B CN 114290637B
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Abstract
The invention discloses a plastic pipe fitting extruder die, which belongs to the technical field of plastic processing and comprises a barrel for extruder discharging, wherein a die head is fixed at the end part of the barrel, a rotary drum is rotatably arranged outside the die head, a first discharging hole is formed in the die head, a discharging groove is formed in the center of the interior of the rotary drum, and a gap is reserved between an inner shaft and the inner wall of the first discharging hole; the inside of rotary drum is equipped with a plurality of evenly distributed's communicating pipe two, communicating pipe two feeds through with the inside blown down tank of rotary drum, and the extrusion groove of a plurality of and two one-to-ones of communicating pipe is evenly seted up to the week in the blown down tank, all is equipped with a striker plate on every extrusion groove, and a part of striker plate stretches into the inside that corresponds the rotary drum. The invention changes the condition that only the external part of the plastic pipe is dyed and scribed in the common working procedure, and the device can directly embed the dyed material into the inner wall of the pipe fitting, so that the pipe fitting can not fade and can be kept for a long time.
Description
Technical Field
The invention relates to a plastic pipe fitting extruder die, and belongs to the technical field of plastic processing.
Background
The plastic pipe is a pipe fitting product commonly used in life, and some plastic pipe fittings with special purposes need to be provided with strip distinguishing strips with different colors on the outer wall of the pipe fitting for distinguishing the types, temperatures and the like of liquid or gas conveyed inside the pipe fitting.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a plastic pipe fitting extruder die which can embed plastic pipe extrusion dies with different color distinguishing strips on the outer wall of a pipe fitting.
In order to achieve the purpose, the invention adopts the following technical scheme: a plastic pipe fitting extruder die comprises a barrel for extruder discharging, wherein a die head is fixed at the end of the barrel, a rotary drum is rotatably mounted outside the die head, a first discharging port is formed in the die head, a discharging groove is formed in the center of the interior of the rotary drum, an inner shaft which is coincident with an axis of the first discharging port is arranged in the first discharging port, and a gap is reserved between the inner shaft and the inner wall of the first discharging port;
the annular material storage cavity is formed in the outer annular surface of the rotary drum, a feeding device for feeding the material storage cavity is installed on the machine barrel, the feeding device is communicated with an inner cavity of the machine barrel, a plurality of communicating pipes II which are uniformly distributed are arranged inside the rotary drum, the communicating pipes II are communicated with the material storage cavity, the communicating pipes II are communicated with a discharge chute inside the rotary drum, a plurality of extrusion grooves which correspond to the communicating pipes II in a one-to-one mode are uniformly formed in the discharge chute in the circumferential direction, each extrusion groove is provided with a material blocking plate, and one part of each material blocking plate extends into the corresponding discharge chute.
Preferably, a movable die capable of sliding along the axial direction of the rotary drum is arranged on one side of the rotary drum away from the die head, one end of the movable die close to the rotary drum is a forming end, an annular forming groove is formed in the forming end, the forming groove and the first discharge hole have the same inner diameter, a threaded column with the same diameter as the inner shaft can be arranged in the forming groove, and the threaded column can move in the forming groove along the axial direction of the forming groove.
Preferably, the inside of movable mould is equipped with pan feeding passageway and discharging channel that communicates each other and be used for carrying the screw thread post, pan feeding passageway and discharging channel mutually perpendicular and the vertical arrangement of pan feeding passageway, the axis of discharging channel and the axis of shaping groove coincide each other, the one end that the shaping groove was kept away from to discharging channel is installed along the gliding push pedal of discharging channel length direction, the internally mounted of movable mould has the hydro-cylinder that the drive push pedal removed.
Preferably, one end, close to the inner cavity of the machine barrel, of the inner shaft is mounted on the first discharge port through a plurality of connecting plates, a conical groove is formed in the middle of the first discharge port, circular grooves are formed in two ends of the first discharge port, the diameter of the discharge groove in the rotary drum is the same as that of the circular groove in one end portion of the discharge port, a circular baffle is mounted in the middle of the inner shaft and arranged in the conical groove, and the diameter of the circular baffle is larger than that of the circular groove in one end portion of the discharge port.
Preferably, an annular groove is formed in the outer annular surface of the die head, the rotary drum comprises a circular plate and an annular plate arranged on one side of the circular plate, the circular plate and the annular plate are integrally formed, a gear ring is arranged on the inner wall of the annular plate, a second gear meshed with the gear ring is arranged inside the annular groove, and the second gear is rotatably arranged inside the annular groove.
Preferably, a feeding ring is fixed on the die head through a support, the feeding ring is rotatably connected with the storage cavity, and a sealing gasket is arranged between the feeding ring and the side wall of the storage cavity.
Preferably, a second discharge port is formed in the die head, the second discharge port is communicated with a dyeing machine arranged outside the machine barrel through a first communicating pipe, and the dyeing machine is communicated with the feeding ring through a pipeline.
Preferably, two fixing plates are symmetrically arranged on the outer end face of the rotary drum, blades capable of sliding relatively are mounted on the two fixing plates, the blades are semicircular, a semicircular groove is formed in each blade, and the radius of the semicircular groove is the same as the outer circle radius of the threaded column.
Preferably, the inside of fixed plate is equipped with the spout, the inside slidable mounting of spout has the draw runner, be equipped with tooth on the side of draw runner one side, the inside rotation of fixed plate installs the gear one with tooth meshing.
Compared with the prior art, the invention realizes that the outer wall of the plastic pipe can be colored and is in a strip shape or a thread shape by installing the die head at the discharge end of the machine cylinder and installing the rotatable rotary cylinder at the front end of the die head, and the rotary cylinder embeds the dyed material into the formed material in the rotating process, thereby changing the condition that only the outer part of the plastic pipe is dyed in the common working procedure.
Drawings
Fig. 1 is an internal cross-sectional view of the present invention.
FIG. 2 is a schematic diagram of the structure of the die of the present invention.
FIG. 3 is a schematic view of the structure of the drum of the present invention.
FIG. 4 is a front view of the bowl of the present invention.
Fig. 5 is an enlarged view of the invention at B in fig. 1.
FIG. 6 is an enlarged view of the invention at A in FIG. 1.
Fig. 7 is a cross-sectional view taken at C-C of fig. 1 in accordance with the present invention.
Fig. 8 is a schematic view of the structure of the product connecting piece 1 of the invention.
Fig. 9 is a schematic view of the structure of the product connecting member 2 of the present invention.
In the figure: 1. the device comprises a machine barrel, 2, a die head, 201, an annular groove, 3, a motor, 4, a rotary drum, 41, a toothed ring, 5, a feeding ring, 6, a threaded column, 7, a movable die, 8, a discharge port II, 9, an inner shaft, 10, a dyeing machine, 11, a discharge port I, 12, a push plate, 13, an oil cylinder, 14, a forming groove, 15, a fixing plate, 16, a communicating pipe I, 17, a packing auger, 18, a material baffle plate, 19, an extrusion groove, 20, a communicating pipe II, 21, a storage cavity, 22, a blade, 23, a gear I, 24, a slide bar, 25 and a gear II.
Detailed Description
The invention is illustrated by the following specific examples, which are not intended to be limiting.
Example 1
As shown in fig. 1-6, in this embodiment, a plastic pipe fitting extruding machine mold is provided, which includes a machine barrel 1 for discharging material from an extruder, a packing auger 17 is rotated inside the machine barrel 1 for conveying material, a die head 2 is fixed at an end of the machine barrel 1, a rotary drum 4 is rotatably installed outside the die head 2, an annular groove 201 is formed on an outer annular surface of the die head 2, the rotary drum 4 includes a circular plate and an annular plate installed on one side of the circular plate, the circular plate and the annular plate are integrally formed, a toothed ring 41 is installed on an inner wall of the annular plate, a second gear 25 engaged with the toothed ring 41 is installed inside the annular groove 201, the second gear 25 is rotatably installed inside the annular groove 201, a motor 3 is fixed inside the annular groove 201, an output shaft of the motor 3 is connected to the second gear 25, when the second gear 25 is rotated by the motor 3, the second gear 25 drives the annular plate to rotate through the toothed ring 41, the die head 2 is internally provided with a first discharge port 11, the center inside the rotary drum 4 is provided with a discharge chute, the first discharge port 11 is internally provided with an inner shaft 9 which is coincident with the axis of the first discharge port 11, a gap is reserved between the inner shaft 9 and the inner wall of the first discharge port 11 and is a passage through which materials pass, the materials are formed into a tubular shape in the process of passing through the passage, one end, close to the inner cavity of the machine barrel 1, of the inner shaft 9 is arranged on the first discharge port 11 through a plurality of connecting plates, the middle part of the first discharge port 11 is provided with a conical groove, two ends of the conical groove are provided with circular grooves, the diameters of the discharge chute inside the rotary drum 4 and the circular groove at the end part of the first discharge port 11 are the same, the ends of the rotary drum 4 and the first discharge port 11 are tightly attached to each other, the rotary drum 4 does not influence material conveying in the rotating process, a circular baffle is arranged in the middle part of the inner shaft 9 and is arranged inside the conical groove, and the diameter of the circular baffle is larger than the diameter of the circular groove at the end part of the first discharge port 11, when the material enters the discharge port I11 from the inside of the machine barrel 1, the material passes through the connecting plate for fixing the inner shaft 9, bubbles are easily formed inside the connecting plate through separation, and when the material with the bubbles passes through the gap between the baffle and the conical groove, the bubbles are extruded and decomposed due to the small gap space, and then the material is formed into a cylindrical shape through the outlet end of the discharge port I11.
An annular storage cavity 21 is formed in the outer annular surface of the rotary drum 4, a feeding device for feeding the storage cavity 21 is mounted on the machine barrel 1, the feeding device is communicated with an inner cavity of the machine barrel 1, a discharge hole II 8 is formed in the die head 2, the discharge hole II 8 is communicated with a dyeing machine 10 arranged outside the machine barrel 1 through a communication pipe I16, the dyeing machine 10 can color materials, the dyeing machine 10 is a common machine in the injection molding industry, the invention is the prior art, therefore, the invention is not specifically explained, a feeding ring 5 is fixed on the die head 2 through a support, a part of the feeding ring 5 is rotationally connected with the storage cavity 21, a sealing gasket is arranged between the feeding ring 5 and the side wall of the storage cavity 21, the rotary drum 4 is low in rotating speed, when the rotary drum 4 rotates, the materials in the storage cavity 21 cannot flow out from a gap between the rotary drum 4 and the feeding ring 5, and the dyeing machine 10 is communicated with the feeding ring 5 through a pipeline, the inside of rotary drum 4 is equipped with a plurality of evenly distributed communicating pipe two 20, communicating pipe two 20 and storage cavity 21 intercommunication, communicating pipe two 20 and the inside blown down tank of rotary drum 4 intercommunication, evenly set up a plurality of extrusion tank 19 with communicating pipe two 20 one-to-one in the blown down tank week, the material in the storage cavity 21 is poured into the inside of extruding tank 19 by communicating pipe two 20, every all be equipped with a striker plate 18 on the extrusion tank 19, a part of striker plate 18 stretches into the inside of corresponding blown down tank, and when the material was through the circular slot, annular material blockked via striker plate 18, forms the recess on the tubulose material outer wall, and inside the recess was injected into to the material after extruding tank 19, the material outer wall after the shaping was different colours, if need the strip colour be the spiral, only need start motor 3, drive rotary drum 4 rotate can.
Example 2
Referring to fig. 1, 7-9, in addition to embodiment 1, an embodiment is proposed, in which a movable die 7 that can slide along the axial direction of a rotating drum 4 is provided on a side of the rotating drum 4 away from a die head 2, one end of the movable die 7 close to the rotating drum 4 is a forming end, an annular forming groove 14 is provided inside the forming end, the forming groove 14 and a discharge port one 11 have the same inner diameter, a threaded column 6 having the same diameter as that of an inner shaft 9 can be provided inside the forming groove 14, the threaded column 6 can move along the axial direction of the forming groove 14 inside the forming groove 14, and a material can be injected into the inside of the forming groove 14 and adhered to the threaded column 6; a feeding channel and a discharging channel which are communicated with each other and used for conveying the threaded columns 6 are arranged inside the movable die 7, the feeding channel and the discharging channel are perpendicular to each other and are vertically arranged, the feeding channel is vertically arranged, the threaded columns 6 are sequentially and transversely placed inside the feeding channel, when the threaded column 6 at the bottommost of the feeding channel is pushed out of the feeding channel, the threaded column 6 positioned above moves downwards integrally, the axis of the discharging channel and the axis of the forming groove 14 are overlapped with each other, a push plate 12 which slides along the length direction of the discharging channel is installed at one end, away from the forming groove 14, of the discharging channel, an oil cylinder 13 which drives the push plate 12 to move is installed inside the movable die 7, and the oil cylinder 13 can push the threaded column 6 at the bottommost of the feeding channel; two fixed plates 15 are symmetrically arranged on the outer end face of the rotary drum 4, two blades 22 capable of sliding relatively are arranged on the fixed plates 15, the blades 22 are semicircular, semicircular grooves are formed in the blades 22, the radius of each semicircular groove is the same as the outer circle radius of the threaded column 6, sliding grooves are formed in the fixed plates 15, sliding strips 24 are arranged in the sliding grooves, teeth are arranged on the side edges of one sides of the sliding strips 24, gears 23 meshed with the teeth are arranged on the fixed plates 15 in a rotating mode, a driving device used for driving the gears 23 to rotate is arranged on the outer portions of the fixed plates 15, when the gears 23 rotate, the blades 22 can be driven by the sliding strips 24 to move, and when the two blades 22 move relatively, materials after forming can be cut, and subsequent die sinking is facilitated.
The working principle is as follows: when the extruder is in operation, the extruder main shaft rotates to drive the discharge auger 17 to rotate, the material is pushed to enter the first discharge port 11 and the second discharge port 8, after the material enters the first discharge port 11, the material passes through a gap between the inner shaft 9 and the first discharge port 11, a connecting plate is arranged at an inlet of the first discharge port 11, the material is divided by the connecting plate after passing through the connecting plate, bubbles are easily generated in the material, when the material is continuously conveyed forwards, the material diffuses towards the inner parts of the conical grooves on the two sides due to the obstruction of the circular baffle plate, the material is gathered by the conical parts of the conical grooves and pushed to the circular groove part, the bubbles disappear after being extruded and diffused, the material is fluid, when the material passes through the circular groove, the annular material is blocked by the baffle plate 18, a groove is formed on the outer wall of the tubular material, at the moment, the material enters the first communicating pipe 16 from the second discharge port 8 and is injected into the dyeing machine 10 through the first communicating pipe 16, after dyeing through dyeing machine 10, extrude groove 19 through feeding ring 5 and two 20 injection communicating pipes, extrude inside groove 19 injects the recess with the material after dyeing, and then, the material outer wall after the shaping is different colours, if need the strip colour be the spiral, only need starter motor 3, it can to drive rotary drum 4 rotation, inject the material into the inside of shaping groove 14 and screw thread post 6 adhesion integrative can, after annotating the material completion, during the die sinking, the inside screw thread post 6 of hydro-cylinder 13 output promotion discharging channel releases the shaping product and can accomplish the ejection of compact, repeated above-mentioned action can be realized continuously moulding plastics.
Finally, it should be noted that the above embodiments are only used for illustrating and not limiting the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the present invention without departing from the spirit and scope of the present invention, and all modifications or partial substitutions should be covered by the scope of the claims of the present invention.
Claims (7)
1. The plastic pipe fitting extruder die is characterized by comprising a barrel (1) for extruder discharging, wherein a die head (2) is fixed at the end part of the barrel (1), a rotary drum (4) is rotatably mounted outside the die head (2), a first discharging port (11) is formed inside the die head (2), a discharging groove is formed in the center inside the rotary drum (4), an inner shaft (9) coincident with the axis of the first discharging port (11) is formed inside the first discharging port (11), and an annular gap is reserved between the inner shaft (9) and the inner wall of the first discharging port (11);
an annular storage cavity (21) is formed in the outer annular surface of the rotary drum (4), a feeding device for feeding the storage cavity (21) is mounted on the machine barrel (1), the feeding device is communicated with the inner cavity of the machine barrel (1), a plurality of communicating pipes II (20) which are uniformly distributed are arranged in the rotary drum (4), the communicating pipes II (20) are communicated with the storage cavity (21), the communicating pipes II (20) are communicated with a discharge chute in the rotary drum (4), a plurality of extrusion grooves (19) which correspond to the communicating pipes II (20) in a one-to-one manner are uniformly formed in the discharge chute in the circumferential direction, a material blocking plate (18) is arranged on each extrusion groove (19), and a part of the material blocking plate (18) extends into the corresponding discharge chute;
a movable die (7) capable of sliding along the axial direction of the rotary drum (4) is arranged on one side, away from the die head (2), of the rotary drum (4), a forming end is arranged at one end, close to the rotary drum (4), of the movable die (7), an annular forming groove (14) is formed in the forming end, the inner diameters of the forming groove (14) and the first discharging opening (11) are the same, a threaded column (6) with the same diameter as the inner shaft (9) can be arranged in the forming groove (14), and the threaded column (6) can move in the forming groove (14) along the axial direction of the forming groove (14);
one end, close to an inner cavity of the machine barrel (1), of the inner shaft (9) is installed on a first discharge port (11) through a plurality of connecting plates, a conical groove is formed in the middle of the first discharge port (11), circular grooves are formed in two ends of the first discharge port, the diameter of the discharge groove in the rotary drum (4) is the same as that of the circular groove in the end portion of the first discharge port (11), a circular baffle is installed in the middle of the inner shaft (9), the baffle is arranged in the conical groove, and the diameter of the circular baffle is larger than that of the circular groove in the end portion of the first discharge port (11).
2. The plastic pipe extruder die according to claim 1, wherein a feeding channel and a discharging channel which are communicated with each other and used for conveying the threaded columns (6) are arranged inside the movable die (7), the feeding channel and the discharging channel are perpendicular to each other and the feeding channel is arranged vertically, the axis of the discharging channel and the axis of the forming groove (14) are overlapped with each other, a push plate (12) which slides along the length direction of the discharging channel is installed at one end of the discharging channel far away from the forming groove (14), and an oil cylinder (13) which drives the push plate (12) to move is installed inside the movable die (7).
3. The plastic pipe extruder die as claimed in claim 1, wherein the die head (2) has an annular groove (201) formed on an outer circumferential surface thereof, the rotating drum (4) comprises a circular plate and a ring plate mounted on one side of the circular plate, the circular plate and the ring plate are integrally formed, the ring plate has a toothed ring (41) mounted on an inner wall thereof, a second gear (25) engaged with the toothed ring (41) is mounted inside the annular groove (201), and the second gear (25) is rotatably mounted inside the annular groove (201).
4. The plastic pipe extruder die according to claim 1, wherein the die head (2) is fixed with a feeding ring (5) through a bracket, a part of the feeding ring (5) is rotatably connected with the storage cavity (21), and a sealing gasket is arranged between the feeding ring (5) and the side wall of the storage cavity (21).
5. A plastic pipe extruder die as claimed in claim 4, wherein the die head (2) is internally provided with a second discharge port (8), the second discharge port (8) is communicated with a dyeing machine (10) arranged outside the machine barrel (1) through a first communicating pipe (16), and the dyeing machine (10) is communicated with the feeding ring (5) through a pipeline.
6. The plastic pipe extruder die according to claim 1, wherein two fixing plates (15) are symmetrically arranged on the outer end surface of the rotating drum (4), the two fixing plates (15) are respectively provided with a blade (22) capable of sliding relatively, the blade (22) is semicircular, and a semicircular groove is formed in the blade (22), and the radius of the semicircular groove is the same as the outer circle radius of the threaded column (6).
7. A plastic pipe extruder die according to claim 6, wherein the fixed plate (15) is internally provided with a sliding groove, a sliding strip (24) is slidably mounted inside the sliding groove, one side edge of the sliding strip (24) is provided with teeth, and the fixed plate (15) is internally rotatably provided with a first gear (23) engaged with the teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210002833.6A CN114290637B (en) | 2022-01-04 | 2022-01-04 | Plastic pipe fitting extruder mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210002833.6A CN114290637B (en) | 2022-01-04 | 2022-01-04 | Plastic pipe fitting extruder mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114290637A CN114290637A (en) | 2022-04-08 |
| CN114290637B true CN114290637B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210002833.6A Active CN114290637B (en) | 2022-01-04 | 2022-01-04 | Plastic pipe fitting extruder mould |
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| CN105619758A (en) * | 2016-03-30 | 2016-06-01 | 张雁 | Production device of novel helical plastic reinforced pipes |
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| CN110355975A (en) * | 2019-07-31 | 2019-10-22 | 温州市龙湾盛业塑料制品厂(普通合伙) | A kind of double-colored tubing composite extruding mould of horizontal line |
| CN210851248U (en) * | 2019-09-16 | 2020-06-26 | 东莞市裕天硅橡胶科技有限公司 | Two-color spiral die head extrusion structure for silicone rubber |
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2022
- 2022-01-04 CN CN202210002833.6A patent/CN114290637B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000055879A (en) * | 1999-02-10 | 2000-09-15 | 박인선 | Aaaaa |
| TW200810910A (en) * | 2006-08-22 | 2008-03-01 | ming-xiang Chen | Process for making helical wires and products made of same |
| CN101143490A (en) * | 2006-09-14 | 2008-03-19 | 陈明祥 | Method for manufacturing spiral wire body and its finished product |
| CN201566116U (en) * | 2009-11-02 | 2010-09-01 | 龚永祥 | Color-separation die used for bi-color tube plastic extruding |
| CN105619758A (en) * | 2016-03-30 | 2016-06-01 | 张雁 | Production device of novel helical plastic reinforced pipes |
| CN209176148U (en) * | 2018-10-29 | 2019-07-30 | 四川欧宝路管业有限责任公司 | A kind of PPR pipe colo(u)r streak extruder |
| CN109514825A (en) * | 2019-01-04 | 2019-03-26 | 兴业县泽鑫工艺品有限公司 | A kind of machine of simulative rattan silk |
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| CN114290637A (en) | 2022-04-08 |
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