CN1171523C - Labyrinth drip irrigation pipe (band), production method and equipment - Google Patents
Labyrinth drip irrigation pipe (band), production method and equipment Download PDFInfo
- Publication number
- CN1171523C CN1171523C CNB021555591A CN02155559A CN1171523C CN 1171523 C CN1171523 C CN 1171523C CN B021555591 A CNB021555591 A CN B021555591A CN 02155559 A CN02155559 A CN 02155559A CN 1171523 C CN1171523 C CN 1171523C
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- Prior art keywords
- drip irrigation
- band
- labyrinth
- irrigation pipe
- path
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a special processing and forming method and a device for a drip irrigation pipe or a drip irrigation band which is formed by continuously rolling. A high-accurate labyrinth flow channel is rolled and printed on a plastic film base. The labyrinth drip irrigation pipe (band) is characterized in that the pipe (band) wall of the drip irrigation pipe (band) is provided with a labyrinth water supply unit which is protruded inwards along an axial direction, and each unit is provided with a labyrinth flow channel, a corresponding water inlet and a corresponding water outlet. The labyrinth water supply unit is formed by compounding double-layer plastic film bases, and the labyrinth flow channel can be arranged on the contact surface of any layer. The present invention can obtain high dimensional precision and work efficiency and overcomes the defects that the double-layer rolling precision of the drip irrigation band which is sucked out of the flow channel by vacuum is low, and the quality of the drip irrigation band is not easy to control. Meanwhile, compared with a mosaic drip irrigation pipe, the production cost of the drip irrigation pipe is greatly reduced, and the production speed of the drip irrigation pipe is greatly increased.
Description
Technical field
The present invention relates to a kind of irrigation of using continuous rolling and processing method manufacturing with drip irrigation pipe or irrigate band, belong to the agricultural water-saving irrigation equipment technical field.
Background technology
The key problem in technology of existing drip irrigation pipe or irrigate band all is to control the inhomogeneity runner that drips, and this runner is by setting-in water dropper, paster in drip irrigation pipe; Roll extrusion is realizing on the irrigate band.The water dropper of drip irrigation pipe is made respectively, when the drip irrigation pipe drawing and forming, be inlaid in the pipe in or outside be inserted on the tube wall, whole process of production needs serial complete set of equipments such as water dropper injection machine, drip irrigation pipe forming machine, drip irrigation pipe jointing machine, punching machine for dripping irrigation pipe, and machining accuracy height, production cost are also corresponding higher.The production cost of drip irrigation pipe irrigate band is lower relatively, the labyrinth flow-path roll forming of irrigate band realizes: the light-wall pipe that plastic extruder is extruded flattens earlier, print out labyrinth flow-path by the runner pressure roller in one side of light-wall pipe roll extrusion again, the roll extrusion process overlaps together two plastic sheets carries out, the bossing of runner pressure roller is enclosed in two plastic sheet hot compression moldings together, and the recess of runner pressure roller is then inhaled open form by pull of vacuum with two plastic sheets and become runner.Be sticked together for fear of the labyrinth flow-path that processes, the runner that rolls out should have certain cross-sectional area, the shortcoming of this processing mode is the equipment complexity, and the runner accuracy of manufacture is low, and control of labyrinth flow-path difficult quality and inapplicable manufacturing be the drip irrigation pipe of thicker material relatively.Therefore the simpler and more direct labyrinth flow-path manufacturing process of design, improving the accuracy of manufacture of labyrinth flow-path and enhancing productivity is to make drip irrigation pipe or irrigate band necessary to higher development.
Summary of the invention
The object of the present invention is to provide a kind of drip irrigation pipe or irrigate band of continuous roll forming, cooperate proprietary processing molding method and equipment, high-precision labyrinth flow-path is printed out in roll extrusion, overcomes that the irrigate band precision is low, the drip irrigation pipe defect of high cost.
Technical scheme of the present invention is achieved in that this labyrinth drip irrigation pipe (band) is characterised in that the tube wall of drip irrigation pipe (band) is provided with water supply unit, inwardly protruded labyrinth vertically, water supply unit, labyrinth is the axially continuous boss that is higher than tube wall, and each unit is provided with labyrinth flow-path and corresponding paddle hole.
The water supply unit, labyrinth of described labyrinth drip irrigation pipe (band) is the compound formation of double-layer plastic sheet base, and labyrinth flow-path can be arranged at the contact-making surface of any one deck.
The water supply unit, labyrinth of described labyrinth drip irrigation pipe (band) also can be arranged at the outer wall of drip irrigation pipe (band).
The inlet opening of the water supply unit, labyrinth of described labyrinth drip irrigation pipe (band) is communicated with the hydraulic pipeline of drip irrigation pipe (band), and apopore is in communication with the outside.
The production method of above-mentioned labyrinth drip irrigation pipe (band) is characterised in that: described drip irrigation pipe (band) is by the synchronous extrusion plastic sheet of double-deck extrusion die base up and down: drip irrigation pipe (band) wall and seal press mold, wherein drip irrigation pipe (band) wall extrudes the labyrinth flow-path unit by forming press-roller, and punches at the one end; The envelope press mold is also synchronously by the other end punching of punching pressure roller in corresponding labyrinth flow-path unit; Both unifications are by the compound seal of runner sealing pressure roller then; Be rolled into tubulose and seal the continuous roll forming of whole process of production by the turnup guide plate at last by a pair of pressure roller that seals.
The production equipment of above-mentioned labyrinth drip irrigation pipe (band) is characterised in that: this equipment comprises the continuous extruder by the outlet of upper and lower settings two molds; At synchronous a pair of labyrinth flow-path forming press-roller and a pair of punching pressure roller that is provided with of extrusion draw direction G1 station; The G2 station is provided with runner sealing pressure roller; The G3 station is provided with the turnup guide plate, and the setting of G4 station is sealed pressure roller and constituted.
Labyrinth flow-path forming press-roller in the setting of G1 station described in the production equipment of described labyrinth drip irrigation pipe (band) is to be made of a pressure roller and a concora crush roller that is provided with the labyrinth flow-path groove, the punching pin is set on one of them pressure roller, on another pressure roller material-dropping hole is set.
Punching pressure roller in the setting of G1 station described in the production equipment of described labyrinth drip irrigation pipe (band) is that two concora crush rollers constitute, and the punching pin is set on one of them pressure roller, on another pressure roller material-dropping hole is set.
Be to constitute at the labyrinth flow-path of G2 station setting sealing pressure roller described in the production equipment of described labyrinth drip irrigation pipe (band) by a pressure roller and a concora crush roller that is provided with labyrinth flow-path unit mirror image respective grooves.
The technical solution used in the present invention, can be implemented in roll extrusion printing labyrinth flow-path on the plastic base, therefore can obtain high dimensional accuracy and operating efficiency, overcome the double-deck roll extrusion and low in irrigate band by the precision of vacuum sucking-off runner, the uppity defective of matter, saved vacuum sizing device and made process equipment simpler, the easier control of quality.Production cost than inserted drip irrigation pipe reduces significantly simultaneously, and speed of production increases substantially.
Description of drawings
Fig. 1 is the structure cutaway view of labyrinth of the present invention drip irrigation pipe (band) product
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the A-A profile
Fig. 4 is the B-B profile
Fig. 5, Fig. 6, Fig. 7 are a kind of extension form schematic diagram of product of the present invention
Fig. 8, Fig. 9, Figure 10 extend the form schematic diagram for the another kind of product of the present invention
Figure 11 is the key structure schematic diagram of the continuous rolling forming device of the present invention
Figure 12 is the overall structure schematic diagram of the continuous rolling forming device of the present invention
Figure 13 is the partial enlarged drawing of Figure 11
Figure 14 is that a of Figure 11 is to view
Figure 15 is the sectional view of Figure 14
Figure 16 is that the b of Figure 11 is to view
Figure 17 is the sectional view of Figure 16
Figure 18 is that the c of Figure 11 is to view
Figure 19 is the sectional view of Figure 18
Figure 20 is that the d of Figure 11 is to view
Figure 21 is the sectional view of Figure 20
Among the figure: 1, apopore 2, labyrinth flow-path unit 3, envelope press mold 4, drip irrigation tube wall 5, inlet opening 6, drip irrigation pipe (band) finished product 7, seal pressure roller 8, turnup guide plate 9, cooling bath 10, runner sealing pressure roller (descending) 11, runner sealing pressure roller (on) 12, runner forming press-roller (descending) 13, the runner forming press-roller (on) 14, the punching pressure roller (on) 15, punching pressure roller (descending) 16, plastic extruder 17,21, blanking port 18,19, punching pin 20, runner moulding groove
Embodiment
Fig. 1, shown in drip irrigation pipe form by envelope press mold 3, drip irrigation tube wall 4, inlet opening 5, apopore 1 and labyrinth flow-path unit 2.Envelope press mold 3 shown in Figure 2 is enclosed in above the labyrinth flow-path by hot compression molding, forms the labyrinth flow-path unit 2 of a sealing between envelope press mold and drip irrigation tube wall.In the practical application, irrigation water enters labyrinth flow-path unit 2 by managing interior inlet opening 5 as shown in Figure 4, becomes nothing through the pressure water irrigation water in the feasible pipe of the energy dissipating effect of labyrinth flow-path and presses irrigation water to be oozed by apopore 1 as shown in Figure 3 at last.
Fig. 5, Fig. 6, Figure 7 shows that it is a kind of extension form of product of the present invention, promptly labyrinth flow-path is stamped on the envelope press mold 3 compound with the drip irrigation tube wall again.
Fig. 8, Fig. 9, Figure 10 are that the another kind of product of the present invention extends form, and what promptly labyrinth flow-path was arranged at drip irrigation pipe seals limit one side.
Embodiment of the present invention also comprise the labyrinth flow-path unit and seal the outside that press mold is arranged at drip irrigation pipe.
The characteristics of the labyrinth flow-path of drip irrigation pipe of the present invention or irrigate band be not parallel and head and the tail non-intersect, the random geometry that in theory can the roll extrusion moulding becomes.
Below in conjunction with device structure explanation continuous roll forming drip irrigation pipe of the present invention or irrigate band method
Process equipment shown in Figure 11 mainly comprises a quadruplet pressure roller and the cover turnup closing device composition that plastic extruder and its bearing of trend are provided with synchronously.The plastic tape of being extruded by plastic extruder 16 is divided into two mould outlets up and down, enters the G1 station: a mould is extruded envelope press mold 3, by punching pressure roller 14,15, processes inlet opening 5; Another mould is extruded drip irrigation tube wall or irrigate band 4, by runner forming press- roller 12,13, prints out labyrinth flow-path unit 2 by 20 roll extrusion of runner moulding groove, and processes water hole 1.Both enter the G2 station: be enclosed in by runner sealing pressure roller 10,11 hot compression moldings and form the labyrinth flow-path unit 2 with labyrinth flow-path and paddle hole together.Enter the G3 station through cooling bath 9: plastic packaging plastics strap base together is rolled into tubulose by turnup guide plate 8, enters the G4 station: form drip irrigation pipe or irrigate band finished product 6 at last by sealing pressure roller 7 hot pressing plastic packagings.
One of technical scheme of roll extrusion labyrinth flow-path is: roll extrusion labyrinth flow-path on drip irrigation tube wall 4, the drip irrigation tube wall is extruded thickness can be unequal, the promptly corresponding position that labyrinth flow-path is set extends axially thicker boss, and drip irrigation tube wall extrusion die cross section is the boss shape, shown in Fig. 1,2,3,4.
Two of technical scheme is: roll extrusion labyrinth flow-path on envelope press mold 3, then the thickness of base material extrusion die outlet is equal, shown in Fig. 5,6,7.
Claims (5)
1, a kind of labyrinth drip irrigation pipe (band), the tube wall that it is characterized in that drip irrigation pipe (band) is provided with water supply unit, inwardly protruded labyrinth vertically, water supply unit, labyrinth is the axially continuous boss that is higher than tube wall, and each unit is provided with labyrinth flow-path (2) and corresponding paddle hole (5,1).
2, labyrinth drip irrigation pipe according to claim 1 (band) is characterized in that water supply unit, described labyrinth is the compound formation of double-layer plastic sheet base, and labyrinth flow-path can be arranged at the contact-making surface of any one deck.
3, labyrinth drip irrigation pipe according to claim 1 and 2 (band) is characterized in that water supply unit, described labyrinth also can be arranged at the outer wall of drip irrigation pipe (band).
4, labyrinth drip irrigation pipe according to claim 1 (band) is characterized in that the inlet opening (5) of water supply unit, described labyrinth is communicated with the hydraulic pipeline of drip irrigation pipe (band), and apopore (1) is in communication with the outside.
5, the production method of the described labyrinth of claim 1 drip irrigation pipe (band), it is characterized in that described drip irrigation pipe (band) is to be extruded drip irrigation pipe (band) wall synchronously and sealed press mold by double-deck extrusion die up and down, wherein drip irrigation pipe (band) wall (4) passes through forming press-roller (13,12) extrusion labyrinth flow-path unit up and down, and punches at the one end; Envelope press mold (3) is also synchronously by the other end punching of punching pressure roller (14,15) in corresponding labyrinth flow-path unit; Both unifications are by the compound seal of runner sealing pressure roller (11,10) then; Be rolled into tubulose and seal the continuous roll forming of whole process of production by turnup guide plate (8) at last by a pair of pressure roller (7) that seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021555591A CN1171523C (en) | 2002-12-11 | 2002-12-11 | Labyrinth drip irrigation pipe (band), production method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021555591A CN1171523C (en) | 2002-12-11 | 2002-12-11 | Labyrinth drip irrigation pipe (band), production method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1411695A CN1411695A (en) | 2003-04-23 |
| CN1171523C true CN1171523C (en) | 2004-10-20 |
Family
ID=4752665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021555591A Expired - Fee Related CN1171523C (en) | 2002-12-11 | 2002-12-11 | Labyrinth drip irrigation pipe (band), production method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1171523C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032217B (en) * | 2007-04-27 | 2011-04-20 | 中国科学院遗传与发育生物学研究所 | Processing method and formed equipment of biconvex labyrinthine drip irrigation strips |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317119C (en) * | 2005-05-23 | 2007-05-23 | 陕西和平科技实业股份有限公司 | Method for producing ultrathin strap of trickle irrigation |
| KR100748604B1 (en) * | 2007-02-14 | 2007-08-10 | 소재용 | Emitting pipe boring method and emitting pipe with hole there of |
| CN100527944C (en) * | 2007-06-21 | 2009-08-19 | 中国科学院遗传与发育生物学研究所 | Drip irrigation band for printing labyrinth flow-path and processing method |
| IL200148A (en) * | 2009-07-29 | 2014-05-28 | Erez Yiflach | Apparatus and method for producing a plastic strip |
| CN107926627A (en) * | 2017-12-26 | 2018-04-20 | 太原市网健科技有限公司 | It is a kind of to use the irrigation rig for intersecting bilateral with being set with micro-nozzle |
-
2002
- 2002-12-11 CN CNB021555591A patent/CN1171523C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032217B (en) * | 2007-04-27 | 2011-04-20 | 中国科学院遗传与发育生物学研究所 | Processing method and formed equipment of biconvex labyrinthine drip irrigation strips |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1411695A (en) | 2003-04-23 |
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