CN111873371A - Novel Mpp tubular product extrusion die - Google Patents
Novel Mpp tubular product extrusion die Download PDFInfo
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- CN111873371A CN111873371A CN202010699345.6A CN202010699345A CN111873371A CN 111873371 A CN111873371 A CN 111873371A CN 202010699345 A CN202010699345 A CN 202010699345A CN 111873371 A CN111873371 A CN 111873371A
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- die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
- B29C48/87—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a novel Mpp pipe extrusion die head which comprises a feeding outer die, a discharging outer die, an installation plate, a feeding inner die, a discharging inner die, a temperature adjusting cylinder and an adjusting device, wherein the discharging outer die is hermetically connected to the right end of the feeding outer die, the installation plate is sleeved at the left end of the feeding outer die, the feeding inner die is arranged inside the feeding outer die, the discharging inner die is connected to the right end of the feeding inner die through a connection plate, the temperature adjusting cylinder is arranged inside the discharging inner die, and the adjusting device is arranged on a first outer die cylindrical part of the feeding outer die. The invention can not only form pipes with different sizes, but also reduce the coaxiality error of the pipes by adjusting the sizes of the feeding inner die and the discharging inner die, so that the invention has convenient use, good forming quality and higher production efficiency.
Description
Technical Field
The invention relates to the technical field of pipe processing, in particular to a novel Mpp pipe extrusion die head.
Background
The Mpp pipe is also called Mpp power cable protection pipe, adopt modified polypropylene as the main raw materials, not merely high temperature resistant, external pressure resistant, and the electrical insulation is good, can use for a long time in the environment of 5 duC-70 duC, therefore apply to the pipeline engineering such as electric power, coal gas, running water, heating power, municipal administration in a large number, Mpp pipe is shaped through the extrusion die, the extrusion die in the prior art is the integral structure that inner mold and external mold make up, can only make Mpp tubular product of the same size, it is more troublesome to change, and can't adjust the axiality of inner mold and external mold, will cause the wall thickness of Mpp tubular product to be uneven, therefore the production efficiency is lower.
Disclosure of Invention
In view of the above problems, the main object of the present invention is to provide a novel Mpp pipe extrusion die which is easy to use and has high production efficiency.
The object of the invention is achieved in the following way:
a novel Mpp pipe extrusion die, comprising:
the feeding outer mold is internally provided with a supporting plate;
the discharging outer die is hermetically connected to the right end of the feeding outer die;
the mounting plate is sleeved at the left end of the feeding outer die, a plurality of mounting holes are formed in the mounting plate, and the mounting holes are used for connecting the feeding outer die with a device for extruding pipes through the mounting plate;
the feeding inner die is arranged inside the feeding outer die and comprises a first conical part and a second conical part, the second conical part is connected to the right end of the first conical part, the first conical part penetrates through the supporting plate and extends a distance leftwards, and the left end of the second conical part is located in a conical hole of the supporting plate;
the discharging inner die is connected to the right end of the feeding inner die through a connecting plate and is positioned in a cavity communicated with the feeding outer die and the discharging outer die, the discharging inner die comprises an inner die cylindrical part, an inner die flow guide part and an inner die forming part which are sequentially connected from left to right, and the inner die forming part extends rightwards from the inside of the discharging outer die for a certain distance to the outside of the right side of the discharging outer die;
the temperature adjusting cylinder is arranged inside the discharging inner die, a temperature adjusting pipe is wound on the periphery of the temperature adjusting cylinder, and the temperature adjusting pipe is externally connected with a cooling device;
adjusting device, adjusting device sets up on the first outer die cylinder portion of feeding external mold, adjusting device includes regulating plate, rack, gear and locating plate, the regulating plate passes first outer die cylinder portion is connected on the ejection of compact centre form, the rack rigid coupling is in one side of regulating plate, gear engagement connects the right side of rack, the locating plate sets up on the first outer die cylinder portion and be located the back of regulating plate.
Further, the feeding outer die further comprises a feeding portion, a first flow guide portion and an outer edge portion, the first flow guide portion is connected to the right end of the feeding portion, the first outer die cylindrical portion is connected to the right end of the first flow guide portion, and the supporting plate is located at the left end of the inner portion of the first flow guide portion.
Furthermore, the discharging outer die comprises a second outer die cylindrical part, a second flow guide part and an outer die forming part which are sequentially connected from left to right, a flange is arranged at the left end of the second outer die cylindrical part, and the flange is connected with the first outer die cylindrical part.
Furthermore, a plurality of flow guide grooves are formed in the peripheries of the inner mold cylinder part and the inner mold flow guide part along the length direction, a large groove which is spirally arranged is formed in the inner walls of the inner mold flow guide part and the inner mold forming part, and one part of the temperature adjusting pipe is located in the large groove.
Furthermore, a small groove which is spirally arranged is formed in the outer wall of the temperature adjusting cylinder, the other part of the temperature adjusting pipe is positioned in the small groove, and the large groove and the small groove are identical in structure.
Furthermore, the temperature adjusting pipe is provided with a water outlet end and a water inlet end, one end of the water inlet end is externally connected with a cooling device, the other end of the water inlet end sequentially penetrates through the first outer mold cylinder part, the inner mold cylinder part and the lower wall of the temperature adjusting cylinder to extend into the temperature adjusting cylinder, the water outlet end extends from the lower end of the inner mold cylinder part through the first outer mold cylinder part and extends outwards to be connected with the cooling device, and the upper wall of the right end of the temperature adjusting cylinder extends out and is wound on the periphery of the temperature adjusting cylinder.
Furthermore, an outer edge portion is arranged on the periphery of the left end of the first outer mold cylindrical portion, the right side face of the mounting plate is attached to the outer edge portion, and a plurality of annular concave cavities are formed in the inner wall of the first outer mold cylindrical portion.
Furthermore, the feeding inner die is connected with the connecting plate through a pin, a plurality of mounting grooves are formed in the left side face of the connecting plate, and the connecting plate is connected with the discharging inner die through the mounting grooves.
Further, the left side surface of the inner mold cylindrical part abuts against the right side surface of the connecting plate, the right end of the temperature adjusting cylinder is provided with an opening, and the opening abuts against the inner side surface of the inner mold forming part.
Furthermore, the adjusting device also comprises a pair of mounting rods and a sliding plate which are arranged on the first outer mold cylinder part at intervals along the front-back direction, the gear is hinged between the pair of mounting rods, an adjusting rod is arranged behind the mounting rod positioned at the rear side, the adjusting rod and the gear rotate coaxially, the rack is in sliding fit with the sliding plate, and the sliding plate is fixedly connected on the first outer mold cylinder part.
The invention has the beneficial effects that:
1. the coaxiality of the inner die and the outer die can be adjusted according to the molding condition, so that the molding quality is better;
2. the inner die and the outer die are designed independently, the inner die can be replaced to produce Mpp pipes with different sizes, the installation convenience is improved, Mpp pipes with different sizes can be produced, and therefore the inner die and the outer die are more convenient to use and higher in production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of another structure of the present invention.
Fig. 3 is a partially enlarged view of fig. 2 at a.
Fig. 4 is a right side view of a partial structure of the adjusting device of the present invention.
The notation in the figure is: the feeding outer die 1, the feeding part 11, the first flow guide part 12, the first outer die cylindrical part 13, the cavity 131, the outer edge part 132, the support plate 14, the discharging outer die 2, the second outer die cylindrical part 21, the flange 211, the second flow guide part 22, the outer die forming part 23, the mounting plate 3, the adjusting device 4, the adjusting plate 41, the rack 42, the sliding plate 43, the gear 44, the mounting rod 45, the positioning plate 46, the adjusting rod 47, the feeding inner die 5, the first conical part 51, the second conical part 52, the pin 53, the connecting plate 6, the mounting groove 61, the discharging inner die 7, the inner die cylindrical part 72, the inner die flow guide part 73, the inner die forming part 74, the flow guide groove 75, the large groove 76, the temperature adjusting cylinder 8, the temperature adjusting pipe 81, the water outlet end 811, the.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, a novel Mpp pipe extrusion die shown in fig. 1 and 4 comprises a feeding external die 1, a discharging external die 2, a mounting plate 3, a feeding internal die 5, a discharging internal die 7, a temperature adjusting cylinder 8 and an adjusting device 4, wherein a supporting plate 14 is arranged inside the feeding external die 1, the feeding internal die 5 is in clearance fit with the supporting plate 14, the supporting plate 14 is used for supporting the feeding internal die 5 so as to assist the discharging internal die 7 to adjust the coaxiality of the internal die and the external die, so that the forming quality is better, the supporting plate 14 is a rice-shaped plate, so that a melt can smoothly flow between the external die and the internal die, the discharging external die 2 is hermetically connected to the right end of the feeding external die 1, the mounting plate 3 is sleeved at the left end of the feeding external die 1, a plurality of mounting holes are formed in the mounting plate 3, and the mounting holes are used for connecting the feeding external die 1 with a device for extruding pipes Then, when the device is installed, the feeding portion 11 extends into the end of the device for extruding a pipe material, so as to prevent the overflow of the melt, the feeding inner mold 5 is arranged inside the feeding outer mold 1, the feeding inner mold 5 comprises a first tapered portion 51 and a second tapered portion 52, the second tapered portion 52 is connected to the right end of the first tapered portion 51, the first tapered portion 51 passes through the support plate 14 and extends a distance to the left, the left end of the second tapered portion 52 is located in the tapered hole of the support plate 14, the inner diameter of the first tapered portion 51 gradually increases from the left to the right, the inner diameter of the second tapered portion 52 gradually increases from the left to the right, the maximum inner diameter of the first tapered portion 51 is smaller than the minimum inner diameter of the second tapered portion 52, the discharging inner mold 7 is connected to the right end of the feeding inner mold 5 through the connecting plate 6, and the discharging inner mold 7 is located in the cavity where the feeding outer mold 1 and the discharging outer mold 2, ejection of compact centre form 7 includes centre form barrel portion 72, centre form water conservancy diversion portion 73 and centre form shaping portion 74 that from left to right connect gradually, centre form shaping portion 74 follows one section distance extremely of extending to the right side outside of ejection of compact external mold 2 in the ejection of compact external mold 2, a temperature regulation section of thick bamboo 8 set up in the inside of ejection of compact centre form 7, the winding has temperature adjusting pipe 81 in temperature regulation section of thick bamboo 8's the periphery, the external heat sink of temperature adjusting pipe 81, adjusting device 4 sets up on the first external mold barrel portion 13 of feeding external mold 1, adjusting device 4 includes regulating plate 41, rack 42, gear 44 and locating plate 46, regulating plate 41 passes first external mold barrel portion 13 is connected on the ejection of compact centre form 7, the rack 42 rigid coupling is in one side of regulating plate 41, gear 44 meshing connection is in the right side of rack 42, locating plate 46 sets up on the first external mold barrel portion 13 and be located the back of regulating plate 41 .
As shown in fig. 2, the feeding outer die 1 further includes a feeding portion 11, a first flow guide portion 12, and an outer edge portion 132, the first flow guide portion 12 is connected to a right end of the feeding portion 11, the first outer die cylinder portion 13 is connected to a right end of the first flow guide portion 12, the support plate 14 is located at an inner left end of the first flow guide portion 12, the feeding portion 11 and the first outer die cylinder portion 13 are both straight-tube type, an inner diameter of the first flow guide portion 12 gradually decreases from left to right, and a maximum inner diameter of the first flow guide portion 12 is equal to an inner diameter of the feeding portion 11 and is larger than the inner diameter of the first outer die cylinder portion 13.
Preferably, the discharging outer die 2 comprises a second outer die cylinder part 21, a second flow guide part 22 and an outer die forming part 23 which are sequentially connected from left to right, a flange 211 is arranged at the left end of the second outer die cylinder part 21, the flange 211 is connected with the first outer die cylinder part 13, the second outer die cylinder part 21 and the outer die forming part 23 are both straight-tube type, the inner diameter of the second flow guide part 22 is gradually increased from left to right, the inner diameter of the second outer die cylinder part 21 is equal to the inner diameter of the first outer die cylinder part 13 and is smaller than the inner diameter of the smallest part of the second flow guide part 22, the inner diameter of the second flow guide part 22 is gradually increased from left to right, and the inner diameter of the largest part of the second flow guide part 22 is equal to the inner diameter of the outer die forming.
As shown in fig. 3, a plurality of flow guide grooves 75 are formed in the peripheries of the inner mold cylinder part 72 and the inner mold flow guide part 73, the flow guide grooves 75 can reduce adhesion of a melt to the outer wall of the inner mold 7, so that the flow is faster, a large groove 76 is formed in the inner walls of the inner mold flow guide part 73 and the inner mold forming part 74, the large groove 76 is spirally formed, a part of the temperature adjusting pipe 81 is located in the large groove 76, the inner mold cylinder part 72 and the inner mold forming part 74 are both of a straight-cylinder structure, the outer diameter of the inner mold cylinder part 72 is equal to the minimum outer diameter of the inner mold flow guide part 73, the outer diameter of the inner mold flow guide part 73 gradually increases from left to right, and the outer diameter of the inner mold forming part 74 is equal to the maximum outer diameter of the.
Preferably, the outer wall of the temperature adjusting cylinder 8 is provided with a small groove 82 arranged in a spiral shape, the other part of the temperature adjusting pipe 81 is positioned in the small groove 82, the large groove 76 and the small groove 82 have the same structure, the temperature adjusting pipe 81 is a hose and is in a shriveled state when water is not added, so that the temperature adjusting pipe can be installed in the discharging inner die 7, and after water is injected, the temperature adjusting pipe expands and fills between the small groove 82 and the large groove 76.
Preferably, the temperature adjusting pipe 81 has a water outlet 811 and a water inlet 812, one end of the water inlet 812 is externally connected with a temperature reducing device, the temperature reducing device includes a water tank, a control pump, a temperature sensor and a controller, the temperature of the melt is monitored by a temperature sensor, cooling water is injected into the temperature adjusting pipe 81 by a control pump to take away the high temperature of the melt, and is discharged from the water outlet end 811, the temperature of the melt can be reduced through temperature reduction, the solidification of the melt can be accelerated, thereby accelerating the forming of the pipe, the other end of the pipe penetrates the first external mold cylindrical part 13, the internal mold cylindrical part 72 and the lower wall of the temperature adjusting cylinder 8 in sequence to extend into the temperature adjusting cylinder 8, and extends out from the upper wall of the right end of the temperature adjusting cylinder 8 and is wound on the periphery of the temperature adjusting cylinder 8, the water outlet end 811 passes through the first outer mold cylindrical part 13 from the lower end of the inner mold cylindrical part 72 and extends outwards to be connected with a cooling device.
Preferably, an outer edge 132 is arranged on the outer periphery of the left end of the first outer mold cylindrical part 13, the right side surface of the mounting plate 3 is attached to the outer edge 132, a plurality of annular concave cavities 131 are formed in the inner wall of the first outer mold cylindrical part 13, and the concave cavities 131 can reduce adhesion of the melt to the inner wall of the feeding outer mold 1, so that the flow rate is higher.
Preferably, the feeding inner die 5 is connected with the connecting plate 6 through a pin 53, the left side surface of the connecting plate 6 is provided with a plurality of mounting grooves 61, and the connecting plate 6 is connected with the discharging inner die 7 through the mounting grooves 61.
Preferably, the left side surface of the inner mold cylindrical portion 72 abuts against the right side surface of the connecting plate 6, and the right end of the temperature adjusting cylinder 8 has an opening which abuts against the inner side surface of the inner mold molding portion 74.
Preferably, the adjusting device 4 further includes a pair of mounting rods 45 and a sliding plate 43 arranged on the first outer mold cylindrical portion 13 at intervals in the front-rear direction, the gear 44 is hinged between the pair of mounting rods 45, an adjusting rod 47 is arranged behind the mounting rod 45 at the rear side, the adjusting rod 47 and the gear 44 rotate coaxially, the rack 42 and the sliding plate 43 are in sliding fit, the sliding plate 43 is fixedly connected on the first outer mold cylindrical portion 13, the gear 44 rotates by rotating the adjusting rod 47, the gear 44 rotates to drive the rack 42 to slide on the sliding plate 43, the rack 42 slides to drive the adjusting plate 41 to move, so as to adjust the positions of the feeding inner mold 5 and the discharging inner mold 7, the positioning plate 46 is provided with scales, so that the adjustment is more accurate, thereby leading to better molding quality.
The melt enters between the feeding outer die 1 and the discharging outer die 2 from the feeding part 11, and is finally molded between the outer die molding part 23 and the inner die molding part 74, so that pipes with different sizes are required to be molded, and the discharging inner die 7 is detached from the connecting plate 6 and replaced with other pipes.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel Mpp pipe extrusion die is characterized by comprising:
the feeding outer die (1), wherein a supporting plate (14) is arranged inside the feeding outer die (1);
the discharging outer die (2), the discharging outer die (2) is hermetically connected to the right end of the feeding outer die (1);
the mounting plate (3) is sleeved at the left end of the feeding outer mold (1), a plurality of mounting holes are formed in the mounting plate (3), and the mounting holes are used for connecting the feeding outer mold (1) with a device for extruding pipes through the mounting plate (3);
the feeding inner die (5) is arranged inside the feeding outer die (1), the feeding inner die (5) comprises a first conical part (51) and a second conical part (52), the second conical part (52) is connected to the right end of the first conical part (51), the first conical part (51) penetrates through the support plate (14) and extends to the left for a certain distance, and the left end of the second conical part (52) is positioned in a conical hole of the support plate (14);
the discharging inner die (7) is connected to the right end of the feeding inner die (5) through a connecting plate (6), the discharging inner die (7) is located in a cavity where the feeding outer die (1) and the discharging outer die (2) are communicated, the discharging inner die (7) comprises an inner die cylinder portion (72), an inner die flow guide portion (73) and an inner die forming portion (74) which are sequentially connected from left to right, and the inner die forming portion (74) extends from the inside of the discharging outer die (2) to the right for a certain distance to the outside of the right side of the discharging outer die (2);
the temperature adjusting cylinder (8) is arranged inside the discharging inner die (7), a temperature adjusting pipe (81) is wound on the periphery of the temperature adjusting cylinder (8), and the temperature adjusting pipe (81) is externally connected with a cooling device;
adjusting device (4), adjusting device (4) set up on first outer die barrel portion (13) of feeding external mold (1), adjusting device (4) include regulating plate (41), rack (42), gear (44) and locating plate (46), regulating plate (41) pass first outer die barrel portion (13) is connected on ejection of compact centre form (7), rack (42) rigid coupling is in one side of regulating plate (41), gear (44) meshing is connected the right side of rack (42), locating plate (46) set up on first outer die barrel portion (13) and be located the back of regulating plate (41).
2. The novel Mpp pipe extrusion die of claim 1, wherein the feeding outer die (1) further comprises a feeding portion (11), a first flow guide portion (12) and an outer peripheral portion (132), the first flow guide portion (12) is connected to the right end of the feeding portion (11), the first outer die cylindrical portion (13) is connected to the right end of the first flow guide portion (12), and the support plate (14) is located at the inner left end of the first flow guide portion (12).
3. The novel Mpp pipe extrusion die of claim 2, wherein the discharge outer die (2) comprises a second outer die cylinder part (21), a second flow guide part (22) and an outer die forming part (23) which are connected in sequence from left to right, the left end of the second outer die cylinder part (21) is provided with a flange (211), and the flange (211) is connected with the first outer die cylinder part (13).
4. The Mpp pipe extrusion die of claim 3, wherein the inner mold cylinder part (72) and the inner mold flow guide part (73) have several flow guide grooves (75) along the length direction on the outer circumference, the inner mold flow guide part (73) and the inner mold forming part (74) have spiral large grooves (76) on the inner wall, and a part of the temperature adjusting pipe (81) is located in the large grooves (76).
5. The novel Mpp pipe extrusion die of claim 4, wherein the temperature adjusting cylinder (8) has a spiral small groove (82) on its outer wall, the other part of the temperature adjusting pipe (81) is located in the small groove (82), and the large groove (76) and the small groove (82) have the same structure.
6. The novel Mpp pipe extrusion die of claim 5, wherein the temperature adjusting pipe (81) has a water outlet end (811) and a water inlet end (812), one end of the water inlet end (812) is externally connected with a temperature reducing device, the other end of the water inlet end passes through the first outer mold cylindrical part (13), the inner mold cylindrical part (72) and the lower wall of the temperature adjusting cylinder (8) in sequence to extend into the temperature adjusting cylinder (8), and extends out from the upper wall of the right end of the temperature adjusting cylinder (8) to be wound on the outer periphery of the temperature adjusting cylinder (8), and the water outlet end (811) passes through the first outer mold cylindrical part (13) from the lower end of the inner mold cylindrical part (72) and extends outwards to be connected with the temperature reducing device.
7. The novel Mpp pipe extrusion die of claim 1, wherein an outer edge (132) is provided on the outer circumference of the left end of the first outer mold cylindrical part (13), the right side of the mounting plate (3) is attached to the outer edge (132), and a plurality of annular cavities (131) are provided on the inner wall of the first outer mold cylindrical part (13).
8. The novel Mpp pipe extrusion die head of claim 1, wherein the feeding inner die (5) and the connecting plate (6) are connected by a pin (53), the left side of the connecting plate (6) is provided with a plurality of mounting grooves (61), and the connecting plate (6) and the discharging inner die (7) are connected together by the mounting grooves (61).
9. The novel Mpp pipe extrusion die of claim 1, wherein the left side of the inner mold cylindrical part (72) abuts against the right side of the web (6), and the right end of the temperature adjustment barrel (8) has an opening that abuts against the inner side of the inner mold forming part (74).
10. A thermos cup according to claim 1, characterized in that the adjusting device (4) further comprises a pair of mounting rods (45) and a sliding plate (43) which are arranged on the first outer mold cylindrical portion (13) at intervals in the front-rear direction, the gear (44) is hinged between the pair of mounting rods (45), an adjusting rod (47) is arranged behind the mounting rod (45) on the rear side, the adjusting rod (47) rotates coaxially with the gear (44), the rack (42) and the sliding plate (43) are slidably engaged, and the sliding plate (43) is fixedly connected on the first outer mold cylindrical portion (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010699345.6A CN111873371A (en) | 2020-07-20 | 2020-07-20 | Novel Mpp tubular product extrusion die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010699345.6A CN111873371A (en) | 2020-07-20 | 2020-07-20 | Novel Mpp tubular product extrusion die |
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| CN111873371A true CN111873371A (en) | 2020-11-03 |
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| CN202010699345.6A Pending CN111873371A (en) | 2020-07-20 | 2020-07-20 | Novel Mpp tubular product extrusion die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117124567A (en) * | 2023-10-10 | 2023-11-28 | 江苏乾锦塑业科技有限公司 | Quick extrusion equipment of cable tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0857935A (en) * | 1994-08-24 | 1996-03-05 | Tomy Kikai Kogyo Kk | Die of extrusion molding apparatus |
| CN2500465Y (en) * | 2001-09-24 | 2002-07-17 | 东营公司迅达信息技术有限责任公司 | Mould of extrusion machine for macromolecule polythylene pipeline (material) |
| CN105500666A (en) * | 2015-11-30 | 2016-04-20 | 浙江伟星新型建材股份有限公司 | Special extrusion die head for PE (polyethylene) microporous foamed pipes |
| CN108127882A (en) * | 2017-12-22 | 2018-06-08 | 湖南太子新材料科技有限公司 | A kind of pipe extruder |
| CN110014603A (en) * | 2017-12-25 | 2019-07-16 | 天津瑞禾瑞丰农业科技有限公司 | A kind of plastic extrusion forming device |
-
2020
- 2020-07-20 CN CN202010699345.6A patent/CN111873371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0857935A (en) * | 1994-08-24 | 1996-03-05 | Tomy Kikai Kogyo Kk | Die of extrusion molding apparatus |
| CN2500465Y (en) * | 2001-09-24 | 2002-07-17 | 东营公司迅达信息技术有限责任公司 | Mould of extrusion machine for macromolecule polythylene pipeline (material) |
| CN105500666A (en) * | 2015-11-30 | 2016-04-20 | 浙江伟星新型建材股份有限公司 | Special extrusion die head for PE (polyethylene) microporous foamed pipes |
| CN108127882A (en) * | 2017-12-22 | 2018-06-08 | 湖南太子新材料科技有限公司 | A kind of pipe extruder |
| CN110014603A (en) * | 2017-12-25 | 2019-07-16 | 天津瑞禾瑞丰农业科技有限公司 | A kind of plastic extrusion forming device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117124567A (en) * | 2023-10-10 | 2023-11-28 | 江苏乾锦塑业科技有限公司 | Quick extrusion equipment of cable tube |
| CN117124567B (en) * | 2023-10-10 | 2024-02-23 | 江苏乾锦塑业科技有限公司 | Quick extrusion equipment of cable tube |
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Application publication date: 20201103 |