CN110883999A - Composite geomembrane welding edge reservation device and reservation method - Google Patents

Composite geomembrane welding edge reservation device and reservation method Download PDF

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Publication number
CN110883999A
CN110883999A CN201911215503.XA CN201911215503A CN110883999A CN 110883999 A CN110883999 A CN 110883999A CN 201911215503 A CN201911215503 A CN 201911215503A CN 110883999 A CN110883999 A CN 110883999A
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CN
China
Prior art keywords
water spraying
water
spraying pipe
rack
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911215503.XA
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Chinese (zh)
Inventor
肖华春
王肖浩博
周广庆
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SHANDONG TIANHAI NEW MATERIALS ENGINEERING CO LTD
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SHANDONG TIANHAI NEW MATERIALS ENGINEERING CO LTD
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Priority to CN201911215503.XA priority Critical patent/CN110883999A/en
Publication of CN110883999A publication Critical patent/CN110883999A/en
Pending legal-status Critical Current

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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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1616—Cooling using liquids

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

The invention discloses a composite geomembrane welding edge reserving device and a reserving method, which comprise an extrusion roller and a geotextile unreeling machine for conveying geotextile to the extrusion roller, wherein a screw extruder is arranged above the extrusion roller, and the composite geomembrane welding edge reserving device also comprises at least one set of water spraying device, wherein the water spraying device comprises a water spraying pipe which is arranged in parallel with the extrusion roller, and the water spraying pipe is rotationally connected to the outer wall of the screw extruder; the two ends of the water spraying pipe are respectively provided with a water inlet and a water outlet; the water spraying pipe is provided with a plurality of water spraying holes along the axis direction; at least one end of the water spraying pipe is sleeved with a gear, a rack is meshed above the gear, and the rack is connected with a driving mechanism. According to the invention, the rack is driven to move by the air cylinder, the rack drives the water spraying pipe to turn, so that circulating water in the water spraying pipe is sprayed onto the geotextile, the spraying mode is adopted, the spraying is uniform, the water consumption is low, and the obtained welding edge is relatively regular; meanwhile, the running speed of the control cylinder is adjusted, so that the turning speed of the water spraying pipe is controlled, and the control of the reserved length of the welding edge is realized.

Description

Composite geomembrane welding edge reservation device and reservation method
Technical Field
The invention relates to the technical field of composite geomembrane production, in particular to a device and a method for reserving a welding edge of a composite geomembrane.
Background
At present, when the composite geomembrane is produced, the geotextiles produced in advance need to be compounded and compressed onto the geomembrane, but the composite geomembrane needs to be spliced and welded when used in site construction, so that when the composite geomembrane is produced, the transverse positions of the geomembrane and the geotextile need to be reserved with welding edges according to use requirements, the geotextile and the geomembrane at the positions where the edges are thrown are in a separated state, composite bonding is not carried out, and the splicing and the use of the construction site in the later period are facilitated. In the production process of the composite geomembrane, water is generally used as a diaphragm agent to reserve a welding edge, and a water immersion mode is mainly adopted, such as a welding edge cooling device in the production process of the geomembrane disclosed in the Chinese patent application No. 2017215401668.
The soaking mode that above-mentioned device adopted has the water consumption big, reserves the limit untidy, the difficult problem of control of size.
Disclosure of Invention
In order to solve the problems in the prior art, a device and a method for reserving a welded edge of a composite geomembrane are provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a composite geomembrane welding edge reserving device which comprises an extrusion roller and a geotextile unreeling machine for conveying geotextile to the extrusion roller, wherein a screw extruder is arranged above the extrusion roller, and the composite geomembrane welding edge reserving device also comprises at least one set of water spraying device, wherein the water spraying device comprises a water spraying pipe which is parallel to the extrusion roller, and the water spraying pipe is rotationally connected to the outer wall of the screw extruder; a water inlet and a water outlet are respectively arranged at two ends of the water spraying pipe; the water spraying pipe is provided with a plurality of water spraying holes for spraying water to the geotextile along the axis direction; at least one end of the water spraying pipe is sleeved with a gear, a rack is meshed above the gear, and the rack is connected with a driving mechanism for driving the rack to do reciprocating motion.
Preferably, the water spraying holes are uniformly distributed and are arranged with openings facing upwards in a normal state.
Preferably, the height of the water level in the water spraying pipe is smaller than the diameter of the water spraying pipe.
Preferably, the water spraying devices are provided with two sets and are respectively arranged on two sides of the screw extruder.
Preferably, the water spraying hole is connected with a spray head, and the spray head adopts a fan-shaped nozzle.
Preferably, the driving mechanism is an air cylinder, the air cylinder is connected with the rack, and the air cylinder is fixedly connected to the outer wall of the screw extruder.
Preferably, the water spraying device further comprises a PLC controller, and the PLC controller is connected with the air cylinder and is used for controlling the air cylinder.
The invention also provides a method for reserving the welding edge of the composite geomembrane, which comprises the following steps:
s1: circulating water is introduced into the water spraying pipe;
s2: when a welding edge needs to be reserved, the air cylinder is controlled to move, the air cylinder pushes the rack to move, the rack can drive the gear to rotate in the moving process, the gear is fixedly connected with the water spraying pipe, the water spraying pipe can turn over, and circulating water flows out of the water spraying hole and is sprayed onto the geotextile;
s3: when the cylinder reaches the maximum stroke, the water spraying pipe does not turn over any more; then controlling the cylinder to contract to drive the rack to move reversely, reversely overturning the gear and the water spraying pipe, and continuously reducing the sprayed circulating water along with the upward overturning until the circulating water does not flow out any more; when the cylinder reaches the minimum stroke, the water spraying pipe stops overturning;
preferably, in step S2, the length of the welding edge is controlled by controlling the speed of the air cylinder and further controlling the turning time of the shower pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the rack is driven to move by the air cylinder, the rack drives the water spraying pipe to turn, so that circulating water in the water spraying pipe is sprayed onto the geotextile, the spraying mode is adopted, the spraying is uniform, the water consumption is low, and the obtained welding edge is relatively regular; meanwhile, the running speed of the control cylinder is adjusted, and then the turning speed of the water spraying pipe is controlled, so that the control of the reserved length of the welding edge is realized, the concept is ingenious, and the control is easy.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a right side view of the shower pipe of fig. 1.
Fig. 3 is a plan view of the shower pipe of fig. 2.
FIG. 4 is a schematic diagram of a third structure according to an embodiment of the present invention.
Description of reference numerals:
1, a frame; 2, extruding rollers; 3, a traction roller; 4, a screw extruder; 5, a rack; 6, a gear; 7, a water spraying pipe; 71 a water inlet; 72 water outlet; 8 air cylinders; 9 connecting frames; 10, compounding a geomembrane; 11, geotextile; 12 geotextile unreeling machine; 13 a PLC controller; 14 a material guide roller; 15 supporting frames; 16 water spraying holes.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
As shown in fig. 1-3, the composite geomembrane welding edge reserving device provided by the present embodiment includes a frame 1, wherein the frame 1 is connected with an extrusion roller 2, a screw extruder 4 is arranged above the extrusion roller 2, one side of the frame 1 is provided with a geotextile unreeling machine 12 for conveying geotextile 11 to the extrusion roller 2, the geotextile unreeling machine 12 is connected with a support frame 15, and the support frame 15 is rotatably connected with a material guide roller 14 for conveying geotextile 11; the frame 1 is also provided with a traction roller 3 for traction and conveying of the compounded composite geomembrane 10.
The whole device also comprises a set of water spraying device used for producing the cloth-film composite geomembrane. The water spraying device comprises a water spraying pipe 7 which is arranged in parallel with the extrusion roller 2, and two ends of the water spraying pipe 7 can be rotatably connected to the outer wall of the screw extruder 4 through bearings; a water inlet 71 and a water outlet 72 are respectively arranged at the two ends of the water spraying pipe 7; the water spraying pipe 7 is provided with a plurality of water spraying holes 16 for spraying water to the geotextile 11 along the axial direction; the fixed cover in both ends of trickle 7 is equipped with gear 6, and the meshing has rack 5 above gear 6, and rack 5 is connected with the cylinder 8 that drives this rack 5 and make reciprocating motion, and the cylinder 8 top is connected with link 9, and link 9 links to each other with screw extruder 4 outer wall.
The water spraying holes 16 are uniformly distributed and are provided with upward openings in a normal state, circulating water is communicated in the water spraying pipe 7, and the height of the water level in the water spraying pipe 7 is always smaller than the diameter of the water spraying pipe 7; that is, in a normal state, the circulating water in the shower pipe 7 does not flow out from the shower holes 16.
The water spraying device further comprises a PLC (programmable logic controller) 13, wherein the PLC 13 is connected with the air cylinder 8 and controls the air cylinder 8 to control the movement speed of the air cylinder 8 and control the air cylinder 8 to reciprocate.
Example two
The other structures of the device for reserving the welded edge of the composite geomembrane provided by the embodiment are the same as those of the embodiment, and the difference is that the water spraying holes 16 can be connected with a spray head which adopts a fan-shaped nozzle; specifically, the spray head can be a V-shaped narrow-angle fan-shaped spray nozzle. The V-series universal narrow-angle fan-shaped nozzle is characterized in that narrow-angle fan-shaped spray with high impulsive force can be generated, the spray generated by the spray is uniform in distribution, the size of liquid drops is medium, and the edge of the spray shape of the V-series universal narrow-angle nozzle is clearly defined; the spraying mode is adopted, the spraying is even, the water consumption is small, and the obtained welding edge is relatively neat.
EXAMPLE III
As shown in fig. 4, the other structures of the composite geomembrane welding edge reserving device provided by this embodiment are the same as those of the embodiment, except that two sets of water spraying devices may be provided, and the water spraying devices are respectively provided at two sides of the screw extruder 4, and may be used for producing a composite geomembrane with two cloth layers and one film layer.
The invention also provides a method for reserving the welding edge of the composite geomembrane, which comprises the following steps:
s1: circulating water is connected into a water inlet 71 and a water outlet 72 of the water spraying pipe 7;
s2: when a welding edge needs to be reserved, the PLC 13 controls the air cylinder 8 to move, the air cylinder 8 pushes the rack 5 to move, the rack 5 can drive the gear 6 to rotate in the moving process, the gear 6 is fixedly connected with the water spraying pipe 7, the water spraying pipe 7 can also turn over, and circulating water is sprayed out of the spray head and falls onto the geotextile 11;
s3: when the cylinder 8 reaches the maximum stroke, the water spraying pipe 7 is not turned over; then, the PLC 13 controls the cylinder 8 to contract to drive the rack 5 to move reversely, the gear 6 and the water spraying pipe 7 turn reversely, and the sprayed circulating water is continuously reduced along with the upward turning until the circulating water does not flow out any more; when the cylinder 8 reaches the minimum stroke, the water spraying pipe 7 stops overturning, and the opening of the water spraying hole 16 returns to the initial state towards the right upper side;
it should be noted that the turning speed of the shower pipe can be controlled by controlling the speed of the air cylinder 8 in step S2, thereby controlling the length of the welding edge.
According to the embodiment, the rack 5 is driven to move by the air cylinder 8, the rack 5 drives the water spraying pipe 7 to turn over, circulating water in the water spraying pipe 7 is sprayed onto the geotextile, the spraying mode is adopted, the spraying is uniform, the water consumption is low, and the obtained welding edge is relatively neat; meanwhile, the running speed of the control cylinder 8 is adjusted, and then the turning speed of the water spraying pipe 7 is controlled, so that the control of the reserved length of the welding edge is realized, the concept is ingenious, and the control is easy.
While embodiments of the invention have been shown and described, it will be understood by those skilled in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. The device for reserving the welded edge of the composite geomembrane comprises an extrusion roller and a geotextile unreeling machine for conveying geotextile to the extrusion roller, wherein a screw extruder is arranged above the extrusion roller; a water inlet and a water outlet are respectively arranged at two ends of the water spraying pipe; the water spraying pipe is provided with a plurality of water spraying holes for spraying water to the geotextile along the axis direction; at least one end of the water spraying pipe is sleeved with a gear, a rack is meshed above the gear, and the rack is connected with a driving mechanism for driving the rack to do reciprocating motion.
2. The device of claim 1, wherein the water spraying holes are uniformly distributed and have openings facing upward in a normal state.
3. The device of claim 1, wherein the height of the water level in the water spraying pipe is smaller than the diameter of the water spraying pipe.
4. The device for reserving the welded edge of the composite geomembrane according to claim 1, wherein two sets of water spraying devices are arranged on two sides of the screw extruder respectively.
5. The device for reserving the welded edge of the composite geomembrane according to claim 1, wherein a spray head is connected to the water spraying hole, and the spray head adopts a fan-shaped nozzle.
6. The device as claimed in claim 1, wherein the driving mechanism is a cylinder, the cylinder is connected to the rack, and the cylinder is fixedly connected to the outer wall of the screw extruder.
7. The device of claim 6, wherein the water spraying device further comprises a PLC controller, and the PLC controller is connected with the cylinder and controls the cylinder.
8. A method for reserving a welded edge of a composite geomembrane according to any one of claims 1 to 7, comprising the steps of:
s1: circulating water is introduced into the water spraying pipe;
s2: when a welding edge needs to be reserved, the air cylinder is controlled to move, the air cylinder pushes the rack to move, the rack can drive the gear to rotate in the moving process, the gear is fixedly connected with the water spraying pipe, the water spraying pipe can turn over, and circulating water flows out of the water spraying hole and is sprayed onto the geotextile;
s3: when the cylinder reaches the maximum stroke, the water spraying pipe does not turn over any more; then controlling the cylinder to contract to drive the rack to move reversely, reversely overturning the gear and the water spraying pipe, and continuously reducing the sprayed circulating water along with the upward overturning until the circulating water does not flow out any more; when the cylinder reaches the minimum stroke, the water spraying pipe stops overturning.
9. The method for reserving the welded edge of the composite geomembrane according to claim 8, wherein the length of the welded edge is controlled by controlling the speed of the air cylinder and further controlling the turning time of the water spraying pipe in the step S2.
CN201911215503.XA 2019-12-02 2019-12-02 Composite geomembrane welding edge reservation device and reservation method Pending CN110883999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911215503.XA CN110883999A (en) 2019-12-02 2019-12-02 Composite geomembrane welding edge reservation device and reservation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911215503.XA CN110883999A (en) 2019-12-02 2019-12-02 Composite geomembrane welding edge reservation device and reservation method

Publications (1)

Publication Number Publication Date
CN110883999A true CN110883999A (en) 2020-03-17

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Application Number Title Priority Date Filing Date
CN201911215503.XA Pending CN110883999A (en) 2019-12-02 2019-12-02 Composite geomembrane welding edge reservation device and reservation method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848621A (en) * 2021-02-09 2021-05-28 德州华翔新材料科技有限公司 Horizontal trickle of compound geomembrane is got rid of limit device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112848621A (en) * 2021-02-09 2021-05-28 德州华翔新材料科技有限公司 Horizontal trickle of compound geomembrane is got rid of limit device

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