CN113147010A - B-type krah pipe continuous production device and production method - Google Patents
B-type krah pipe continuous production device and production method Download PDFInfo
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- CN113147010A CN113147010A CN202110397138.XA CN202110397138A CN113147010A CN 113147010 A CN113147010 A CN 113147010A CN 202110397138 A CN202110397138 A CN 202110397138A CN 113147010 A CN113147010 A CN 113147010A
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/583—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features
- B29C53/585—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features the cross-section varying along their axis, e.g. tapered, with ribs, or threads, with socket-ends
- B29C53/586—Winding and joining, e.g. winding spirally helically for making tubular articles with particular features the cross-section varying along their axis, e.g. tapered, with ribs, or threads, with socket-ends having corrugations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
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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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
- B29C53/62—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
- B29C53/64—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis and moving axially
-
- 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
- B29L2023/18—Pleated or corrugated hoses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of pipes, in particular to a B-type Krah pipe continuous production device and a production method. The utility model provides a B type carat pipe continuous production device, includes frame, roller, at least one first extruder that is used for extruding the sheet, is used for extruding the second extruder and the rotatory tractor of bellows, the roller is installed in the frame, the extrusion mouth of first extruder, the extrusion mouth of second extruder are located the top of roller, rotatory tractor is used for driving B type carat pipe axial displacement and circumferential direction, the central line of roller with rotatory tractor's rotatory central line is collinear. The invention can realize the continuous production of the B-type Krah pipe, avoids the problem of low efficiency caused by demoulding and mould changing when the B-type Krah pipe is produced in the prior art, and can carry out the production according to the length required by a client without changing a production mould, thereby greatly improving the production efficiency.
Description
Technical Field
The invention relates to the technical field of pipes, in particular to a B-type Krah pipe continuous production device and a production method.
Background
The existing B-type Krah pipe production adopts a roller model integration method, namely, a whole fixed long pipe with a connecting port is wound on a roller model, after cooling, the roller model is formed by demoulding through a special demoulding mechanism, and when the next pipe is produced, the mould is changed again. The production method has the problem of low production efficiency, and is not beneficial to large-scale production. Chinese patent application, publication No. CN111469386A, discloses a krah pipe production apparatus, which comprises a bottom plate, a roller mold and a cooling device; the left side and the right side of the bottom plate are symmetrically provided with two racks, the left side and the right side of the roller die are respectively rotatably arranged on the racks through two rotating shafts, and the upper part of the roller die is also provided with an extrusion pipe; the outer side cover of cylinder mould is equipped with cooling device, be provided with the adjustment mechanism who drives cooling device and remove on the bottom plate, cooling device includes the casing and sets up in the inside circular mounting hole of casing, and the left and right sides symmetry of mounting hole is provided with two wind channels, and the inboard in wind channel evenly is provided with a plurality of air cocks. According to the technical scheme, the cooling device is driven by the adjusting mechanism to move outside the roller die, the roller die and the hot belt coated on the surface of the roller die are cooled, the hot belt shaping speed is accelerated, the production time of the carat pipe is saved, and the hot belt is prevented from going out of shape. However, the disclosed technical solution also has problems of mold release and mold change when producing the type B krah tube, which results in low production efficiency of the type B krah tube.
Disclosure of Invention
The invention provides a B-type carat pipe continuous production device for overcoming the problem of low production efficiency of the B-type carat pipe in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a B type carat pipe continuous production device, includes frame, roller, at least one first extruder that is used for extruding the sheet, is used for extruding the second extruder and the rotatory tractor of bellows, the roller is installed in the frame, the extrusion mouth of first extruder, the extrusion mouth of second extruder are located the top of roller, rotatory tractor is used for driving B type carat pipe axial displacement and circumferential direction, the central line of roller with rotatory tractor's rotatory central line is collinear.
In the technical scheme, during production, a B-shaped Krah pipe or a winding pipe with the inner diameter being the same as the outer diameter of the roller is used as a traction pipe, one end of the traction pipe is sleeved on the outer peripheral wall of the roller, and the other end of the traction pipe is arranged on a rotary tractor; the first extruder is used for overlapping the extruded molten sheet on a traction pipe on a roller, and simultaneously, a rotary tractor drives the traction pipe to rotate and axially move; the first extruder overlaps the extruded sheet on the sheet wound on the roller; the second extruder synchronously winds the extruded corrugated pipe on the sheet material on the roller to form a blank pipe; and cooling and shaping the obtained embryonic tube to form the B-type carat tube. This technical scheme can realize the continuous production of B type carat pipe, and the problem of the inefficiency that drawing of patterns, retooling lead to when having avoided producing B type carat pipe among the prior art, this technical scheme can be produced according to customer's needs fixed length simultaneously, need not to change the production mould, has improved production efficiency greatly.
Preferably, the outer surface of the roll is provided with a first structural layer for reducing the friction between the sheet material wound on the roll and the roll.
Preferably, the first structural layer is a polytetrafluoroethylene structure.
Preferably, the roller is hollow inside, and a cooling device for cooling the sheet material is arranged in the roller.
Preferably, the cooling device comprises a cooling layer arranged on the inner peripheral wall surface of the roller, a circulating water channel is arranged in the cooling layer, a liquid inlet is formed in one end of the circulating water channel, and a liquid outlet is formed in the other end of the circulating water channel.
Preferably, the device further comprises a pressing roller arranged on one side of the roller, wherein the pressing roller is used for overlapping the sheet extruded by the first extruder on the sheet wound on the roller or on the traction pipe.
The invention provides a continuous production method of a B-type Krah pipe, which comprises the following steps:
s1: taking a B-shaped Krah pipe or a winding pipe with the inner diameter being the same as the outer diameter of the roller as a traction pipe, wherein one end of the traction pipe is sleeved on the outer peripheral wall of the roller, and the other end of the traction pipe is arranged on a rotary tractor;
s2: the first extruder is used for overlapping the extruded molten sheet on a traction pipe on a roller, and simultaneously, a rotary tractor drives the traction pipe to rotate and axially move;
s3: the first extruder overlaps the extruded sheet on the sheet wound on the roller;
s4: the second extruder synchronously winds the extruded corrugated pipe on the sheet material on the roller to form a blank pipe;
s5: and cooling and shaping the blank pipe in the step S4 to form the B-type carat pipe.
Preferably, in the step S1, the roll is coated with a teflon coating, and in the step S2, the roll is cooled.
Preferably, in the step S3, the molten sheet just adhered to the roll is adhered to a cooling roll, the surface of the sheet adhered to the roll is cooled, and the other surface is not cooled, and the molten sheet is overlapped with the molten sheet extruded from the first extruder after one rotation, and then the overlapped part is pressed by a press roll.
Preferably, the B-shaped carat pipe obtained in step S5 is cut.
Compared with the prior art, the invention has the beneficial effects that: the invention can realize the continuous production of the B-shaped Kela pipe, avoids the problem of low efficiency caused by demoulding and mould changing when the B-shaped Kela pipe is produced in the prior art, and can carry out the production according to the length required by a client without changing a production mould, thereby greatly improving the production efficiency.
Drawings
FIG. 1 is a schematic view of a type B Krah pipe continuous production apparatus according to the present invention;
FIG. 2 is a schematic view of the structure of a cooling apparatus and a roller in a type B Krah pipe continuous production apparatus of the present invention.
In the drawings: 1. a frame; 2. a roller; 3. a sheet material; 4. a first extruder; 5. a bellows; 6. a second extruder; 7. rotating the tractor; 8. a type B Krah pipe; 91. a cooling layer; 92. a circulating water channel; 93. and (4) a liquid inlet.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1
As shown in fig. 1 to 2, a B-type carat pipe continuous production device comprises a frame 1, a roller 2, a first extruder 4 for extruding a sheet 3, a second extruder 6 for extruding a corrugated pipe 5, and a rotary tractor 7, wherein the roller 2 is mounted on the frame 1, an extrusion port of the first extruder 4 and an extrusion port of the second extruder 6 are located above the roller 2, the rotary tractor 7 is used for driving a B-type carat pipe 8 to axially move and circumferentially rotate, and a center line of the roller 2 is collinear with a rotation center line of the rotary tractor 7. In this embodiment, in the production, a B-shaped krah tube 8 having the same specification as the roll 2 is used as a drawing tube, one end of which is mounted on the roll 2, and the other end of which is mounted on a rotary drawing machine 7; the first extruder 4 is used for lapping the extruded molten sheet 3 on a traction pipe positioned on the roller 2, and simultaneously, the rotary tractor 7 is used for driving the traction pipe to rotate and axially move; the first extruder 4 laps the extruded sheet 3 on the sheet 3 wound on the roll 2; the second extruder 6 winds the extruded corrugated pipe 5 around the sheet 3 on the roller 2 synchronously to form a blank pipe; and cooling and shaping the obtained billet tube to form the B-shaped Krah tube 8. This device can realize the continuous production of B type carat pipe 8, and the problem of the inefficiency that drawing of patterns, retooling lead to when having avoided production B type carat pipe 8 among the prior art, this technical scheme can be produced according to customer's needs fixed length simultaneously, need not to change the production mould, has improved production efficiency greatly.
When the number of the first extruders 4 is two or more, the extrusion ports of each first extruder 4 are distributed at different points on the same circumference above the roll 2. When the number of the first extruders 4 is two, when the sheet 3 extruded by the first extruder 4 of the first extruder is wound on the roller 2, after the sheet 3 wound on the roller 2 rotates for one circle, the first extruder 4 of the second extruder winds the extruded sheet 3 on the sheet 3 positioned on the roller 2, and the second extruder 6 winds the extruded corrugated pipe 5 on the sheet 3 extruded by the first extruder 4 of the second extruder. On one hand, the sheets 3 can be overlapped and wound in a staggered way, and the strength of the B-shaped carat pipe 8 is enhanced; on the other hand, since the sheet 3 extruded by the first extruder 4 of the second station has a high temperature and is not cooled, the corrugated pipe 5 extruded by the second extruder 6 is wound on the sheet 3 extruded by the first extruder 4 of the second station, which is beneficial to better wind the corrugated pipe 5 on the sheet 3.
Wherein the outer surface of the roll 2 is provided with a first structural layer for reducing the friction between the sheet 3 wound on the roll 2 and the roll 2. In this embodiment, due to the arrangement of the first structural layer, the friction between the sheet 3 and the roller 2 is reduced, which is beneficial to the effect of the rotary tractor 7, the rotary tractor 7 drives the traction tube, and the traction tube drives the blank tube pressed on the traction tube to move axially along the roller 2 and rotate around the roller 2.
In addition, the first structural layer is a polytetrafluoroethylene structure.
Wherein, the roller 2 is hollow, and a cooling device for cooling the sheet material 3 is arranged in the roller 2. In this embodiment, because cooling device's setting, sheet 3 can obtain the cooling fast, is favorable to the separation between sheet 3 and the roller 2, has reduced the frictional force between sheet 3 and the roller 2, is favorable to under the effect of rotatory tractor 7, and rotatory tractor 7 drives the traction tube, and the traction tube drives the idiosome of crimping on the traction tube along roller 2 axial displacement and around roller 2 rotation.
In addition, the cooling device comprises a cooling layer 91 arranged on the inner peripheral wall surface of the roller 2, a circulating water channel 92 is arranged in the cooling layer 91, a liquid inlet 93 is arranged at one end of the circulating water channel 92, and a liquid outlet is arranged at the other end of the circulating water channel 92.
The device also comprises a press roller arranged on one side of the roller 2, wherein the press roller is used for lapping the sheet 3 extruded by the first extruder 4 on the sheet 3 wound on the roller 2 or a traction pipe. In this embodiment, the compression roller makes the connection between the sheet 3 and the drawing tube more reliable and also ensures a better overlap of the sheet 3 extruded from the first extruder 4 with the sheet 3 wound on the drum 2.
Example 2
A production method for continuously producing B-type carat pipe comprises the following steps:
s1: taking a B-shaped Krah pipe 8 or a winding pipe with the inner diameter same as the outer diameter of the roller 2 as a traction pipe, wherein one end of the traction pipe is sleeved on the outer peripheral wall of the roller 2, and the other end of the traction pipe is arranged on a rotary tractor 7;
s2: the first extruder 4 is used for lapping the extruded molten sheet 3 on a traction pipe positioned on the roller 2, and simultaneously, the rotary tractor 7 is used for driving the traction pipe to rotate and axially move;
s3: the first extruder 4 laps the extruded sheet 3 on the sheet 3 wound on the roll 2;
s4: the second extruder 6 winds the extruded corrugated pipe 5 around the sheet 3 on the roller 2 synchronously to form a blank pipe;
s5: the billet tube in the step S4 is cooled and shaped to form the B-shaped krah tube 8.
Wherein, in the step S1, the roller 2 is coated with the polytetrafluoroethylene coating, and in the step S2, the roller 2 is cooled. In this embodiment, the roller 2 is coated with the polytetrafluoroethylene coating, so that the friction between the sheet 3 and the roller 2 is reduced, and the rotary tractor 7 drives the traction tube under the action of the rotary tractor 7, and the traction tube drives the blank tube pressed on the traction tube to axially move along the roller 2 and rotate around the roller 2. Cool off roller 2, sheet 3 can obtain the cooling fast, is favorable to the separation between sheet 3 and the roller 2, has reduced the frictional force between sheet 3 and the roller 2, is favorable to under rotatory tractor 7's effect, and rotatory tractor 7 drives the traction tube, and the traction tube drives the idiosome of crimping on the traction tube along roller 2 axial displacement and round roller 2 rotation.
In step S3, the molten sheet 3 immediately after the roll 2 is attached to the cooling roll 2, the surface of the sheet 3 attached to the roll 2 is cooled, and the other surface is not cooled, and the molten sheet 3 is overlapped with the molten sheet 3 extruded from the first extruder 4 after one rotation, and then the overlapped portion is pressed by the press roll. This is favorable to the cooling of the molten sheet 3 attached to the roller 2, and the lap joint part is pressed by the compression roller, so that the connection is more stable and reliable.
Wherein, the B-shaped Krah pipe obtained in the step S5 is cut. In this embodiment, can tailor continuous production's B type carat pipe according to customer's demand, need not more roller, improved production efficiency.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a B type carat pipe continuous production device which characterized in that: including frame (1), roller (2), at least one be used for extruding sheet (3) first extruder (4), be used for extruding corrugated pipe (5) second extruder (6) and rotatory tractor (7), roller (2) are installed in frame (1), the extrusion mouth of first extruder (4), the extrusion mouth of second extruder (6) are located the top of roller (2), rotatory tractor (7) are used for driving B type carat pipe (8) axial displacement and circumferential direction, the central line of roller (2) with the rotatory central line synteny of rotatory tractor (7).
2. The apparatus for continuously producing carat pipe of type B as set forth in claim 1, wherein: the outer surface of the roller (2) is provided with a first structural layer for reducing the friction between the sheet (3) wound on the roller (2) and the roller (2).
3. The apparatus for continuously producing carat pipe of type B as set forth in claim 2, wherein: the first structural layer is a polytetrafluoroethylene structure.
4. The apparatus for continuously producing carat pipe of type B as set forth in claim 1, wherein: the roller (2) is hollow, and a cooling device for cooling the sheet (3) is arranged in the roller (2).
5. The apparatus for continuously producing Krah pipe type B as claimed in claim 4, wherein: the cooling device comprises a cooling layer (91) arranged on the inner peripheral wall surface of the roller (2), a circulating water channel (92) is arranged in the cooling layer (91), a liquid inlet (93) is arranged at one end of the circulating water channel (92), and a liquid outlet (94) is arranged at the other end of the circulating water channel (92).
6. The apparatus for continuously producing carat pipe of type B as set forth in claim 1, wherein: the device also comprises a press roller arranged on one side of the roller, wherein the press roller is used for lapping the sheet (3) extruded by the first extruder (4) on the sheet (3) wound on the roller (2) or a traction pipe.
7. A method for continuously producing a B-type Krah pipe is characterized by comprising the following steps:
s1: taking a B-shaped Krah pipe (8) or a winding pipe with the inner diameter being the same as the outer diameter of the roller (2) as a traction pipe, wherein one end of the traction pipe is sleeved on the outer peripheral wall of the roller (2), and the other end of the traction pipe is arranged on a rotary tractor (7);
s2: the first extruder (4) enables the extruded molten sheet (3) to be lapped on a traction pipe on the roller (2), and meanwhile, the rotary tractor (7) drives the traction pipe to rotate and axially move;
s3: the first extruder (4) is used for overlapping the extruded sheet (3) on the sheet (3) wound on the roller (2);
s4: the second extruder (6) synchronously winds the extruded corrugated pipe (5) on the sheet (3) on the roller (2) to form a blank pipe;
s5: and cooling and shaping the blank pipe in the step S4 to form the B-shaped carat pipe (8).
8. The continuous production method of Kraft pipe type B as claimed in claim 7, wherein the roller (2) is coated with the PTFE layer in the step S1, and the roller (2) is cooled in the step S2.
9. The continuous production process of carat pipe type B as set forth in claim 7, characterized in that in said step S3, the molten sheet (3) just adhered to the roll (2) is adhered to the cooling roll (2) with the surface of the sheet (3) adhered to the roll (2) cooled and the other surface not cooled, and the molten sheet (2) is overlapped with the molten sheet (3) extruded from the first extruder (4) after one rotation, and then the overlapped portion is pressed by the press roll.
10. The continuous production method of the type B krah pipe as claimed in claim 7, further comprising the steps of: and (8) cutting the B-shaped Krah pipe obtained in the step (S5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397138.XA CN113147010A (en) | 2021-04-13 | 2021-04-13 | B-type krah pipe continuous production device and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110397138.XA CN113147010A (en) | 2021-04-13 | 2021-04-13 | B-type krah pipe continuous production device and production method |
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| Publication Number | Publication Date |
|---|---|
| CN113147010A true CN113147010A (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110397138.XA Pending CN113147010A (en) | 2021-04-13 | 2021-04-13 | B-type krah pipe continuous production device and production method |
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| Country | Link |
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| CN (1) | CN113147010A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516209A (en) * | 2022-02-18 | 2022-05-20 | 广东雄塑科技集团股份有限公司 | Composite sheet for roller pasting and Krah pipe production process applying composite sheet |
| CN115195074A (en) * | 2022-07-15 | 2022-10-18 | 陈国平 | PE pipe extrusion molding processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103757846A (en) * | 2014-01-20 | 2014-04-30 | 苏州新区特氟龙塑料制品厂 | Teflon roller |
| CN205044146U (en) * | 2015-05-13 | 2016-02-24 | 湖南前元新材料有限公司 | Serialization winding production facility of carat pipe |
| CN107901389A (en) * | 2017-12-19 | 2018-04-13 | 青岛吉泰塑料机械有限公司 | A kind of carat pipe mold |
| CN109927265A (en) * | 2019-04-30 | 2019-06-25 | 北京化工大学 | Carat pipe Continuous maching molding equipment and technique |
-
2021
- 2021-04-13 CN CN202110397138.XA patent/CN113147010A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103757846A (en) * | 2014-01-20 | 2014-04-30 | 苏州新区特氟龙塑料制品厂 | Teflon roller |
| CN205044146U (en) * | 2015-05-13 | 2016-02-24 | 湖南前元新材料有限公司 | Serialization winding production facility of carat pipe |
| CN107901389A (en) * | 2017-12-19 | 2018-04-13 | 青岛吉泰塑料机械有限公司 | A kind of carat pipe mold |
| CN109927265A (en) * | 2019-04-30 | 2019-06-25 | 北京化工大学 | Carat pipe Continuous maching molding equipment and technique |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516209A (en) * | 2022-02-18 | 2022-05-20 | 广东雄塑科技集团股份有限公司 | Composite sheet for roller pasting and Krah pipe production process applying composite sheet |
| CN114516209B (en) * | 2022-02-18 | 2024-03-08 | 广东雄塑科技集团股份有限公司 | Composite sheet for sticking roller and Kraft pipe production process using composite sheet |
| CN115195074A (en) * | 2022-07-15 | 2022-10-18 | 陈国平 | PE pipe extrusion molding processing method |
| CN115195074B (en) * | 2022-07-15 | 2023-10-13 | 河北普尚管道科技有限公司 | PE pipe extrusion molding processing method |
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