CN211518227U

CN211518227U - Composite geomembrane welding edge reservation device

Info

Publication number: CN211518227U
Application number: CN201922143496.9U
Authority: CN
Inventors: 肖华春; 王肖浩博; 周广庆
Original assignee: Shandong Tianhai New Material Engineering Co ltd
Current assignee: Shandong Tianhai New Material Engineering Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-18
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a composite geomembrane welding edge reservation 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 reservation device also comprises at least one set of water spraying device, 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 on 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. The utility model utilizes the cylinder to drive the rack to move, the rack drives the water spraying pipe to overturn, circulating water in the water spraying pipe is sprayed on the geotextile, the spraying mode is adopted, the spraying is uniform, the water consumption is small, and the obtained welding edge is more 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

Technical Field

The utility model relates to a compound geomembrane production technical field, concretely relates to compound geomembrane welding limit reserves device.

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. The composite geomembrane is generally produced by using water as a diaphragm agent to reserve a welding edge, and mainly adopts a water immersion mode, such as a welding edge cooling device in the geomembrane production process disclosed in the Chinese utility model patent with the application number of 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.

SUMMERY OF THE UTILITY MODEL

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 utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a compound geomembrane welding limit reservation device, including squeeze roll and the geotechnological cloth unreeling machine of carrying geotechnological cloth to the squeeze roll, be equipped with screw extruder above the squeeze roll, still include at least one set of water drenching device, the water drenching device includes with the squeeze roll parallel arrangement's water drenching pipe, the water drenching pipe rotate to be connected on the screw extruder outer wall; 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.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model utilizes the cylinder to drive the rack to move, the rack drives the water spraying pipe to overturn, circulating water in the water spraying pipe is sprayed on the geotextile, the spraying mode is adopted, the spraying is uniform, the water consumption is small, and the obtained welding edge is more 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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not 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.

A use method of a composite geomembrane welding edge reservation device 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 is driven to move by the air cylinder, the rack drives the water spraying pipe to turn, 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 tidy; 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill 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

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 height of the water level in the water spraying pipe is smaller than the diameter of the water spraying pipe.

3. 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.

4. 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.

5. 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.

6. The device of claim 5, wherein the water spraying device further comprises a PLC controller, and the PLC controller is connected with the cylinder and controls the cylinder.