CN115488548A - Geogrid deformation-prevention welding device and deformation-prevention welding method - Google Patents

Geogrid deformation-prevention welding device and deformation-prevention welding method Download PDF

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Publication number
CN115488548A
CN115488548A CN202211038201.1A CN202211038201A CN115488548A CN 115488548 A CN115488548 A CN 115488548A CN 202211038201 A CN202211038201 A CN 202211038201A CN 115488548 A CN115488548 A CN 115488548A
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CN
China
Prior art keywords
clamping
welding
transverse strip
feeding
geogrid
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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
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CN202211038201.1A
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Chinese (zh)
Inventor
周静
袁洪波
艾文涛
李艳艳
刘玉成
郭倩倩
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FEICHENG LIANYI ENGINEERING PLASTICS CO LTD
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FEICHENG LIANYI ENGINEERING PLASTICS CO LTD
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Publication date
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Priority to CN202211038201.1A priority Critical patent/CN115488548A/en
Publication of CN115488548A publication Critical patent/CN115488548A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/003—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention relates to a geogrid deformation-preventing welding device and a deformation-preventing welding method, which comprise a welding clamping device and a cooling and shaping device which are arranged along the conveying direction of a geogrid, wherein the welding clamping device comprises a clamping feeding mechanism and a welding mechanism, the cooling and shaping device comprises a clamping stretching mechanism and an air cooling mechanism, two ends of a transverse strip are respectively clamped and tensioned by the two clamping feeding mechanisms, the transverse strip is moved to a welding station where the welding mechanism is located, the transverse strip and a longitudinal strip are subjected to hot melt welding by the welding mechanism, the clamping feeding mechanism continues to clamp two ends of the transverse strip and keeps the tensioned state during welding until the welding is finished, the welded transverse strip is moved between the two clamping stretching mechanisms by a stepping traction device, two ends of the welded transverse strip are respectively clamped by the two clamping stretching mechanisms and are straightened towards the two ends, and the straightened transverse strip is subjected to forced air blowing and cooling by the air cooling mechanism, so that the straightening of the transverse strip is straightened.

Description

Geogrid deformation-preventing welding device and deformation-preventing welding method
Technical Field
The invention relates to the field of geogrid processing, in particular to the field of geogrid hot-melt welding, and specifically relates to an anti-deformation welding device and an anti-deformation welding method for geogrids.
Background
The geogrid is an important geosynthetic material, generally is a net structure formed by transverse strips and longitudinal strips, the geogrid is processed by stretching, weaving, welding and other modes, wherein the welding forming is to connect the transverse strips and the longitudinal strips in a hot melting welding mode, an automatic welding device for the geogrid exists in the market at present, for example, the invention patent with the publication number of CN103056564A discloses a geogrid welding machine, the material is transversely fed in through a feeding device, and a welding head is controlled by a controller to weld the lap joint of the transverse strips and the longitudinal strips, so that automatic feeding, automatic cutting and automatic welding can be realized.
During welding, the welding device drives the welded geogrid to move, the longitudinal strips extend along the advancing direction, the transverse strips are perpendicular to the advancing direction, the automatic welding device for the geogrid at present has certain defects, namely after welding is completed, due to the fact that hot melting welding is adopted, the transverse strips are prone to deformation caused by hot melting temperature rise and cooling, and therefore the plane state of the geogrid is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an anti-deformation welding device and an anti-deformation welding method for a geogrid.
The invention is realized through the following technical scheme, and provides a geogrid deformation-preventing welding device which comprises a welding clamping device and a cooling and shaping device which are distributed along the conveying direction of the geogrid, wherein the welding clamping device comprises clamping and feeding mechanisms positioned at two ends of a transverse strip and a welding mechanism positioned between the two clamping and feeding mechanisms, and each clamping and feeding mechanism comprises a first clamping mechanism for clamping the end part of the transverse strip and a feeding driving mechanism for driving the first clamping mechanism to move along the conveying direction of the geogrid; the cooling and shaping device comprises clamping and stretching mechanisms positioned at two ends of the transverse strip and an air cooling mechanism positioned between the two clamping and stretching mechanisms, wherein the clamping and stretching mechanisms comprise second clamping mechanisms for clamping the end parts of the transverse strip and stretching driving mechanisms for driving the second clamping mechanisms to stretch the transverse strip; the straightening machine also comprises a straightening air cylinder for driving at least one clamping and feeding mechanism to move along the length direction of the transverse strip.
The both ends of pressing from both sides tight horizontal strip respectively through two tight feeding mechanism of clamp in this scheme, and remove the welding station to welding mechanism place, carry out the hot melt welding to horizontal strip and vertical strip through welding mechanism, in the hot melt welding process, it is taut with horizontal strip through the cylinder that straightens, press from both sides tight feeding mechanism and press from both sides tight horizontal strip both ends all the time and keep taut state deformation when preventing the welding, horizontal strip after the welding completion removes to cooling setting device department, press from both sides tight tensile mechanism through two and press from both sides tight horizontal strip both ends after the welding respectively and straighten to both ends, carry out forced air-blast cooling to the horizontal strip after straightening through air-cooled mechanism, realize the straight of horizontal strip.
Preferably, the air cooling mechanism comprises an air box positioned above the transverse strip and a reflecting plate positioned below the transverse strip, and an air outlet is formed in the lower end of the air box. The air outlet in this scheme is bloied to horizontal strip upper strata, and the reflection that passes horizontal strip through the reflecting plate blows to horizontal strip lower floor, realizes the whole forced air cooling design of strip.
Preferably, the reflecting plate extends along the length direction of the transverse strips, and flanges extend upwards from two sides of the reflecting plate. The flanges arranged in the scheme prevent the wind direction from spreading laterally, so that the wind direction is reflected to the lower part of the transverse strip and the outer surfaces of the two sides of the transverse strip.
As optimization, welding mechanism includes the welder mounting bracket and installs a plurality of welding cylinder on the welder mounting bracket side by side, install hot melt welding rifle on the telescopic shaft of welding cylinder lower extreme, hot melt welding rifle below is equipped with the supporting platform who is located horizontal strip below. Every hot melt welding rifle in this scheme corresponds every vertical strip on the horizontal strip, and sufficient rigidity is all guaranteed to welding cylinder and telescopic shaft thereof, can completely resist because of strip welding deformation with frictional force's mode, the side direction winding deformation that leads to has ensured welding quality.
Preferably, the first clamping mechanism comprises a feeding frame and a first clamping cylinder fixedly connected to the feeding frame, a first lower clamping block is fixedly connected to an upper end telescopic shaft of the first clamping cylinder, and a first upper clamping block located above the first lower clamping block is fixedly connected to the feeding frame. A first clamping cylinder in the scheme drives a first lower clamping block to move upwards so as to clamp a transverse strip on the lower end face of the first upper clamping block.
Preferably, the feeding frame is connected to the fixed feeding bottom plate in a sliding mode along the geogrid conveying direction, the feeding driving mechanism comprises a feeding cylinder, and two ends of the feeding cylinder are respectively connected with the feeding bottom plate and the feeding frame. The flexible pay-off frame that drives of pay-off cylinder in this scheme removes along geogrid direction of delivery.
As optimization, the second clamping mechanism comprises a stretching frame and a second clamping cylinder fixedly connected to the stretching frame, a second upper clamping block is fixedly connected to a lower end telescopic shaft of the second clamping cylinder, and a second lower clamping block located below the second upper clamping block is fixedly connected to the stretching frame. The second clamping cylinder in this scheme drives the clamp splice and moves down on the second and presss from both sides the up end of clamp splice under the second with horizontal strip clamp.
Preferably, the stretching frame is connected to the fixed stretching bottom plate in a sliding manner along the length direction of the transverse strip, the stretching driving mechanism comprises a stretching cylinder, and two ends of the stretching cylinder are respectively connected with the stretching bottom plate and the stretching frame. Stretching cylinder in this scheme drives tensile frame and removes the drawing of realizing horizontal strip along horizontal strip length direction.
Preferably, the second clamping mechanism simultaneously clamps at least three transverse strips. In the scheme, the second clamping mechanism simultaneously clamps at least three transverse strips, and the welding mechanism simultaneously welds one transverse strip, namely, the distance between one transverse strip moved by the geogrid at each time.
An anti-deformation welding method for geogrids comprises the following steps:
a. clamping two ends of the transverse strip respectively through two clamping and feeding mechanisms, tensioning the transverse strip and moving the transverse strip to a welding station where a welding mechanism is located;
b. carrying out hot-melt welding on the transverse strip and the longitudinal strip through a welding mechanism, and continuously clamping two ends of the transverse strip and keeping a tensioning state by a clamping and feeding mechanism during welding until the welding is finished;
c. the welded transverse strip is moved to a position between the two clamping and stretching mechanisms through the movement of the geogrid, the two ends of the welded transverse strip are respectively clamped by the two clamping and stretching mechanisms and straightened towards the two ends, and the straightened transverse strip is cooled by forced air blowing through the air cooling mechanism, so that the straightening of the transverse strip is realized.
The invention has the beneficial effects that: the invention relates to a geogrid deformation-preventing welding device and a deformation-preventing welding method.
The invention solves the problems that the geogrid is not flat and the subsequent service life is shortened due to easy deformation of the geogrid in the welding process in the actual processing process.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the weld fixture of the present invention;
FIG. 3 is an elevation view of the clamp feed mechanism of the present invention;
FIG. 4 is a top view of the clamping and feed mechanism of the present invention;
FIG. 5 is a front view of the cooling and setting device of the present invention;
FIG. 6 is an elevation view of the clamping and tensioning mechanism of the present invention;
FIG. 7 is a top view of the clamping and tensioning mechanism of the present invention;
FIG. 8 isbase:Sub>A cross-sectional view taken along plane A-A of FIG. 5 in accordance with the present invention;
shown in the figure:
1. the device comprises a clamping and feeding mechanism, 11, a feeding frame, 12, a first clamping cylinder, 13, a first lower clamping block, 14, a first upper clamping block, 15, a feeding bottom plate, 16, a feeding cylinder, 2, a welding mechanism, 21, a welding gun mounting frame, 22, a welding cylinder, 23, a hot-melting welding gun, 24, a supporting platform, 3, a clamping and stretching mechanism, 31, a stretching frame, 32, a second clamping cylinder, 33, a second upper clamping block, 34, a second lower clamping block, 35, a stretching bottom plate, 36, a stretching cylinder, 4, an air cooling mechanism, 41, an air box, 42, an air outlet, 43, a reflecting plate, 44, a blocking edge, 5, a longitudinal strip, 6, a transverse strip, 7, a straightening cylinder and 8, a straightening cylinder mounting plate.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 to 8, the geogrid deformation-prevention welding device comprises a welding clamping device and a cooling and shaping device which are arranged along the conveying direction of the geogrid, wherein a plurality of longitudinal strips 5 are arranged side by side, the longitudinal strips 5 are arranged along the conveying direction of the geogrid, the transverse strips 6 are perpendicular to the longitudinal strips 5, the formed geogrid is rolled by a rolling device and drives the longitudinal strips 5 to move, the interval of one transverse strip 6 is moved every time, one transverse strip 6 is added and welded every time, and therefore welding forming of the geogrid is achieved.
The welding clamping device comprises clamping and feeding mechanisms 1 positioned at two ends of a transverse strip 6 and a welding mechanism 2 positioned between the two clamping and feeding mechanisms 1.
The clamping and feeding mechanism 1 comprises a first clamping mechanism for clamping the end part of the transverse strip 6 and a feeding driving mechanism for driving the first clamping mechanism to move along the geogrid conveying direction; the first clamping mechanism comprises a feeding frame 11 and a first clamping cylinder 12 fixedly connected to the feeding frame 11, the first clamping cylinder 12 is arranged upwards, a first lower clamping block 13 is fixedly connected to an upper end telescopic shaft of the first clamping cylinder 12, a first upper clamping block 14 located above the first lower clamping block 13 is fixedly connected to the feeding frame 11, and the transverse strip 6 is clamped between the first upper clamping block 14 and the first lower clamping block 13.
The feeding frame 11 is connected to the fixed feeding bottom plate 15 in a sliding mode along the geogrid conveying direction, the feeding frame 11 in the embodiment is connected to the fixed feeding bottom plate 15 in a sliding mode through a sliding rail and a sliding block, the feeding driving mechanism comprises a feeding air cylinder 16, two ends of the feeding air cylinder 16 are connected with the feeding bottom plate 15 and the feeding frame 11 respectively, therefore, the first clamping mechanism moves through stretching of the feeding air cylinder 16, two ends of the transverse strip are clamped by the first clamping mechanism and moves, and therefore the transverse strip moves to the welding station.
As shown in fig. 2, the welding device further comprises a straightening cylinder 7 for driving at least one clamping and feeding mechanism 1 to move along the length direction of the transverse strip 6, the straightening cylinder 7 in this embodiment is provided with one, and drives one of the clamping and feeding mechanisms 1 to move along the length direction of the transverse strip 6, a feeding bottom plate 15 of the clamping and feeding mechanism 1 is slidably connected to a straightening cylinder mounting plate 8 through a sliding rail and a sliding block, the straightening cylinder 7 stretches and retracts to drive the clamping and feeding mechanism 1 to slide, so that when welding is realized, the transverse strip is tensioned through the straightening cylinder, and the clamping and feeding mechanism always clamps two ends of the transverse strip and keeps the tensioned state to prevent deformation during welding.
Welding mechanism 2 includes welder mounting bracket 21 and installs a plurality of welding cylinder 22 on welder mounting bracket 21 side by side, install hot-melt welding rifle 23 on the telescopic shaft of welding cylinder 22 lower extreme, every hot-melt welding rifle corresponds every vertical strip on the horizontal strip to the connected node to horizontal strip and vertical strip welds.
A supporting platform 24 positioned below the transverse strip 6 is arranged below the hot-melt welding gun 23 and used for supporting the connecting joint for welding, and the clamping and feeding mechanism continuously clamps two ends of the transverse strip and keeps a tensioned state until the welding is finished.
The cooling and shaping device comprises clamping and stretching mechanisms 3 positioned at two ends of a transverse strip 6 and an air cooling mechanism 4 positioned between the two clamping and stretching mechanisms 3, wherein the clamping and stretching mechanisms 3 comprise second clamping mechanisms for clamping the end parts of the transverse strip 6 and stretching driving mechanisms for driving the second clamping mechanisms to stretch the transverse strip 6.
Second clamping mechanism includes that tensile frame 31 and rigid coupling second die clamping cylinder 32 on tensile frame 31, second die clamping cylinder 32 set up down, the rigid coupling has clamp splice 33 on the second on the lower extreme telescopic shaft of second die clamping cylinder 32, the rigid coupling has clamp splice 34 under the second that is located clamp splice 33 below on the second on tensile frame 31, and horizontal strip 6 presss from both sides tightly on the second between clamp splice 33 and the clamp splice 34 under clamp splice 33 and the second, and the lower terminal surface of clamp splice 33 and the up end of clamp splice 34 all are equipped with anti-skidding line under the second on the second.
In this embodiment, the second clamping mechanism simultaneously clamps at least three transverse strips 6, that is, at least three transverse strips 6 are simultaneously clamped between the second upper clamping block 33 and the second lower clamping block 34. Since the welding mechanism welds one transverse strip at a time, i.e., the geogrid is moved by the distance of one transverse strip at a time, each transverse strip can be subjected to three times of stretch cooling when three transverse strips are clamped, and four times of stretch cooling when four transverse strips are clamped.
Stretching frame 31 along the length direction sliding connection of horizontal strip 6 on fixed stretching bottom plate 35, stretching frame 31 in this embodiment realizes sliding connection through slide rail and slider, tensile actuating mechanism includes stretching cylinder 36, stretching bottom plate 35 and stretching frame 31 are connected respectively to stretching cylinder 36's both ends, and the flexible horizontal strip 6 of second clamping mechanism that drives through stretching cylinder 36.
The air cooling mechanism 4 comprises an air box 41 positioned above the transverse strip 6 and a reflecting plate 43 positioned below the transverse strip 6, wherein the air box 41 extends along the length direction of the transverse strip 6, and an air outlet 42 is formed at the lower end of the air box 41 so as to perform forced air cooling on the lower transverse strip 6.
The reflective plate 43 extends along the length of the transverse strip 6, and flanges 44 extend upward from both sides of the reflective plate 43, so that the reflective plate 43 has a U-shaped cross section.
The air box 41 is communicated with an air supply device, the air supply device provides cold air for the air box 41, the air supply device comprises a fan and a heat exchange box, air passes through a gap of a heat exchange tube group which is communicated with circulating cooling water in the internal heat exchange box, enters the fan after being cooled, forms cooling air, namely cold air after being compressed by the fan, and then is sent into the air box 41.
A geogrid deformation prevention welding method comprises the following steps:
a. two ends of the transverse strip are respectively clamped by the two clamping and feeding mechanisms, and the transverse strip is moved to a welding station where the welding mechanism is located after being tensioned;
b. carrying out hot-melt welding on the transverse strip and the longitudinal strip through a welding mechanism, and continuously clamping two ends of the transverse strip and keeping a tensioning state by a clamping and feeding mechanism during welding until the welding is finished;
c. the welded transverse strip is moved to a position between the two clamping and stretching mechanisms through the movement of the geogrid, the two ends of the welded transverse strip are respectively clamped by the two clamping and stretching mechanisms and straightened towards the two ends, and the straightened transverse strip is cooled by forced air blowing through the air cooling mechanism, so that the straightening of the transverse strip is realized.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; while the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications, additions and substitutions may be made without departing from the spirit of the invention and the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a geogrid shape welding set of preapring for an unfavorable turn of events which characterized in that: the welding clamping device comprises clamping and feeding mechanisms (1) positioned at two ends of a transverse strip (6) and a welding mechanism (2) positioned between the two clamping and feeding mechanisms (1), wherein the clamping and feeding mechanisms (1) comprise first clamping mechanisms for clamping the end parts of the transverse strip (6) and feeding driving mechanisms for driving the first clamping mechanisms to move along the conveying direction of the geogrid;
the cooling and shaping device comprises clamping and stretching mechanisms (3) positioned at two ends of a transverse strip (6) and an air cooling mechanism (4) positioned between the two clamping and stretching mechanisms (3), wherein the clamping and stretching mechanisms (3) comprise second clamping mechanisms for clamping the end parts of the transverse strip (6) and stretching driving mechanisms for driving the second clamping mechanisms to stretch the transverse strip (6);
and the straightening air cylinder (7) drives at least one clamping and feeding mechanism (1) to move along the length direction of the transverse strip (6).
2. The geogrid deformation-preventing welding device according to claim 1, characterized in that: the air cooling mechanism (4) comprises an air box (41) positioned above the transverse strip (6) and a reflecting plate (43) positioned below the transverse strip (6), and an air outlet (42) is formed in the lower end of the air box (41).
3. The geogrid deformation-preventing welding device according to claim 2, characterized in that: the reflecting plate (43) extends along the length direction of the transverse strip (6), and flanges (44) extend upwards from two sides of the reflecting plate (43).
4. The geogrid deformation-preventing welding device according to claim 1, characterized in that: welding mechanism (2) include welder mounting bracket (21) and install a plurality of welding cylinder (22) on welder mounting bracket (21) side by side, install hot melt welding rifle (23) on welding cylinder (22) lower extreme telescopic shaft, hot melt welding rifle (23) below is equipped with supporting platform (24) that are located horizontal strip (6) below.
5. The geogrid deformation-preventing welding device according to claim 1, characterized in that: the first clamping mechanism comprises a feeding frame (11) and a first clamping cylinder (12) fixedly connected to the feeding frame (11), a first lower clamping block (13) is fixedly connected to an upper end telescopic shaft of the first clamping cylinder (12), and a first upper clamping block (14) located above the first lower clamping block (13) is fixedly connected to the feeding frame (11).
6. The geogrid deformation-preventing welding device according to claim 5, characterized in that: the feeding frame (11) is connected to the fixed feeding bottom plate (15) in a sliding mode along the geogrid conveying direction, the feeding driving mechanism comprises a feeding air cylinder (16), and two ends of the feeding air cylinder (16) are connected with the feeding bottom plate (15) and the feeding frame (11) respectively.
7. The geogrid deformation-preventing welding device according to claim 1, characterized in that: second clamping mechanism includes second die clamping cylinder (32) including tensile frame (31) and rigid coupling on tensile frame (31), on the lower extreme telescopic shaft of second die clamping cylinder (32) the rigid coupling has clamp splice (33) on the second, on tensile frame (31) the rigid coupling has clamp splice (34) under the second that is located clamp splice (33) below on the second.
8. The geogrid deformation-preventing welding device according to claim 7, characterized in that: the stretching frame (31) is connected to the fixed stretching bottom plate (35) in a sliding mode along the length direction of the transverse strip (6), the stretching driving mechanism comprises a stretching cylinder (36), and the two ends of the stretching cylinder (36) are connected with the stretching bottom plate (35) and the stretching frame (31) respectively.
9. The geogrid deformation-preventing welding device according to claim 1, characterized in that: the second clamping mechanism simultaneously clamps at least three transverse strips (6).
10. The anti-deformation welding method for the geogrid is characterized by comprising the following steps:
a. clamping two ends of the transverse strip respectively through two clamping and feeding mechanisms, tensioning the transverse strip and moving the transverse strip to a welding station where a welding mechanism is located;
b. carrying out hot-melt welding on the transverse strips and the longitudinal strips through the welding mechanism, and continuously clamping two ends of the transverse strips and keeping a tensioning state until the welding is finished by the clamping and feeding mechanism during welding;
c. the welded transverse strip is moved to a position between the two clamping and stretching mechanisms through the movement of the geogrid, the two ends of the welded transverse strip are respectively clamped through the two clamping and stretching mechanisms and straightened towards the two ends, and the straightened transverse strip is subjected to forced air blowing cooling through the air cooling mechanism, so that the straightening of the transverse strip is realized.
CN202211038201.1A 2022-08-29 2022-08-29 Geogrid deformation-prevention welding device and deformation-prevention welding method Pending CN115488548A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211038201.1A CN115488548A (en) 2022-08-29 2022-08-29 Geogrid deformation-prevention welding device and deformation-prevention welding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211038201.1A CN115488548A (en) 2022-08-29 2022-08-29 Geogrid deformation-prevention welding device and deformation-prevention welding method

Publications (1)

Publication Number Publication Date
CN115488548A true CN115488548A (en) 2022-12-20

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CN (1) CN115488548A (en)

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