CN214163928U

CN214163928U - Online thickness automatic leveling system for HDPE (high-density polyethylene) blown geomembrane

Info

Publication number: CN214163928U
Application number: CN202022902288.5U
Authority: CN
Inventors: 郑野; 赵雨诺; 杨广超
Original assignee: Liaoning Dayu Waterproof Engineering Co ltd
Current assignee: Liaoning Dayu Waterproof Engineering Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-10
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses an automatic even system of neat of online thickness of HDPE blowing geomembrane, including the die head, the die head top is equipped with the membrane bubble, the die head lateral wall is equipped with the heater, the membrane bubble is the circular array form all around and evenly has laid a plurality of displacement sensor, the displacement sensor external connection has PLC, PLC with heater electric connection, the displacement sensor below is equipped with lifting unit, the utility model relates to a geomembrane production line automation control technical field, the utility model discloses compact structure detects the position change of membrane through the sensor, through PLC automatic control heater, heats or the cooling, avoids the membrane material that the membrane bubble skew produced thick on the part or thin on the part, can have the inflation of the local membrane bubble of effect control, and then the thickness of effective control membrane, makes the thickness of membrane more even, and then improves the quality of HDPE geomembrane.

Description

Online thickness automatic leveling system for HDPE (high-density polyethylene) blown geomembrane

Technical Field

The utility model relates to a geomembrane production line automation control technical field specifically is an automatic even system of online thickness of HDPE blowing geomembrane.

Background

The HDPE geomembrane is a geotechnical synthetic material which plays a role in preventing seepage in seepage control projects such as refuse landfills, hazardous waste landfills, anaerobic fermentation ponds of animal husbandry farms, tailing treatment landfills and the like. The geomembrane mainly plays roles of blocking and seepage prevention, and the performance of the geomembrane is required to be stable for a long time. In the above engineering, the physical performance index of the blow-molded HDPE geomembrane is superior to that of other types of geomembranes, so that the engineering has higher requirements on the quality of blow-molded geomembrane products. The more uniform the thickness of the product is, the more stable the physical properties of the product are, and the due anti-seepage function can be effectively exerted for a long time in engineering use.

Traditional blow molding HDPE geomembrane equipment, because the membrane shaping is in the space environment behind the bush, the thickness of product is influenced by die head local high temperature greatly, or is influenced by production line ambient temperature greatly, sometimes above two problems exist simultaneously. In the high-temperature part, the part is greatly blown and a 'belly' is formed, the part becomes thin due to excessive stretching before film forming, the temperature of the area can be adjusted only by manpower, but the control is difficult to be stable. Because geomembrane equipment is large, the ambient temperature of the surrounding space of the die head is difficult to be consistent, and the local temperature change of one side of the ambient temperature can cause the problem of film thickness fluctuation and thinning or thickening.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a for an automatic even system of online thickness of HDPE blowing geomembrane has solved the problem of the skew of current geomembrane forming in-process membrane bubble center.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an automatic even system of online thickness of HDPE blowing geomembrane, includes the die head, the die head top is equipped with the membrane bubble, the die head lateral wall is equipped with the heater, the membrane bubble is the even a plurality of displacement sensor that have laid of circular array form all around, the displacement sensor external connection has PLC, PLC with heater electric connection, the displacement sensor below is equipped with lifting unit.

Preferably, the lifting assembly comprises a wind ring arranged on the outer side of the die head, a guide rail is arranged on the upper wall of the wind ring, a sliding block is arranged in the guide rail, a rack is arranged on the side wall of the sliding block, a support is arranged above the rack, the upper wall of the wind ring is located on one side of the support and is provided with a motor, a gear meshed with the rack is arranged at the driving end of the motor, and the displacement sensor is detachably arranged on the upper wall of the support.

Preferably, a display screen is arranged on the PLC.

Preferably, the displacement sensor is an ultrasonic displacement sensor.

Preferably, the number of the plurality of displacement sensors is one of 4, 6, and 8.

Advantageous effects

The utility model provides an online automatic even system of thickness of HDPE blowing geomembrane possesses following beneficial effect, the utility model discloses compact structure detects the position change of membrane through the sensor, through PLC automatic control heater, heating or cooling, avoid the membrane bubble skew and the membrane material that produces thick on the part or thin on the part, can have the inflation of the local membrane bubble of effect control, and then the thickness of effective control membrane, make the thickness of membrane more even, and then improve the quality of HDPE geomembrane, the height of the adjustable displacement sensor of lifting unit's setting, thereby be suitable for under the different operating modes, the use for people has brought the convenience.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic partial top view of the present invention.

Fig. 3 is a control schematic diagram of the present invention.

Fig. 4 is a schematic structural view of the lifting assembly of the present invention.

In the figure: 1. a heater; 2. a displacement sensor; 3. film bubble; 4. a bubble center; 5. a die head; 6. a wind ring; 7. a guide rail; 8. a slider; 9. a rack; 10. a motor; 11. a gear; 12. and (4) a bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the HDPE blown geomembrane on-line thickness automatic leveling system comprises a die head 5, wherein a film bubble 3 is arranged above the die head 5, a heater 1 is arranged on the side wall of the die head 5, a plurality of displacement sensors 2 are uniformly distributed around the film bubble 3 in a circular array shape, a PLC is connected to the outside of each displacement sensor 2, the PLC is electrically connected with the heater 1, and a lifting assembly is arranged below each displacement sensor 2; the lifting assembly comprises an air ring 6 arranged on the outer side of the die head 5, a guide rail 7 is arranged on the upper wall of the air ring 6, a sliding block 8 is arranged in the guide rail 7, a rack 9 is arranged on the side wall of the sliding block 8, a support 12 is arranged above the rack 9, a motor 10 is arranged on the upper wall of the air ring 6 and positioned on one side of the support 12, a gear 11 meshed with the rack 9 is arranged at the driving end of the motor 10, and the displacement sensor 2 is detachably arranged on the upper wall of the support 12; a display screen is arranged on the PLC; the displacement sensor 2 is an ultrasonic displacement sensor; the number of the plurality of displacement sensors 2 is one of 4, 6 or 8.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.

Example (b): the technical parameters are as follows: the film thickness fluctuation range of the thickness control system is less than or equal to 5 percent;

when the device is used, the displacement sensor 2 detects the set position of the film bubble 3, such as the diameter, when the diameter of the film bubble 3 deviates, the displacement sensor 2 detects the position change of the film bubble 3, if the position change exceeds the set range, a signal is fed back to the PLC, the temperature of the heater 1 is controlled to rise or fall through program operation, the temperature adjusting range is +/-5 to +/-15 ℃, the displacement sensor 2 is positioned at the upper part of the die head 5, the number of the displacement sensor 2 can be divided into 4, 6, 8 and the like, the displacement sensor can be determined according to the diameter of the die head 5, the height position of the displacement sensor can be adjusted, the distance between the displacement sensor 2 and the upper part of the die head 5 is 100mm-1000mm, the distance between the displacement sensor 2 and the center is more than or equal to 2 meters, when the height of the displacement sensor 2 needs to be adjusted, the motor 10 drives the gear 11 to rotate, so that the rack 9 drives the bracket 12 to carry out lifting movement, and the height of the displacement sensor 2 is adjusted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an online automatic leveling system of thickness of HDPE blowing geomembrane, includes die head (5), die head (5) top is equipped with membrane bubble (3), its characterized in that, die head (5) lateral wall is equipped with heater (1), a plurality of displacement sensor (2) have evenly been laid to membrane bubble (3) round array form all around, displacement sensor (2) external connection has PLC, PLC with heater (1) electric connection, displacement sensor (2) below is equipped with lifting unit.

2. The HDPE blow molding geomembrane on-line thickness automatic leveling system according to claim 1, wherein the lifting assembly comprises a wind ring (6) arranged outside the die head (5), a guide rail (7) is arranged on the upper wall of the wind ring (6), a slide block (8) is arranged in the guide rail (7), a rack (9) is arranged on the side wall of the slide block (8), a support (12) is arranged above the rack (9), a motor (10) is arranged on the upper wall of the wind ring (6) and positioned on one side of the support (12), a gear (11) meshed with the rack (9) is arranged at the driving end of the motor (10), and the displacement sensor (2) is detachably arranged on the upper wall of the support (12).

3. The HDPE blown geomembrane on-line thickness automatic leveling system according to claim 2, wherein a display screen is arranged on the PLC.

4. The HDPE blown geomembrane on-line thickness auto-leveling system according to claim 1, wherein the displacement sensor (2) is an ultrasonic displacement sensor.

5. An HDPE blown geomembrane on-line thickness auto-leveling system according to claim 4, characterized in that the number of said plurality of displacement sensors (2) is one of 4, 6 or 8.