Asphalt composite flexible waterproofing membrane and method for manufacturing the same

Abstract

The present application belongs to the field of waterproofing membrane preparation, and particularly relates to an asphalt composite flexible waterproofing membrane and a preparation method thereof. The method comprises the following steps: step one, heating and mixing asphalt, stone wool and rubber powder to obtain a composite material, and adding the composite material into a preparation device; step two, performing extrusion molding treatment on the composite material to obtain a waterproofing membrane; step three, performing sand covering treatment on the surface of the waterproofing membrane, and removing the excess sand particles to obtain the asphalt composite flexible waterproofing membrane; step four, performing cutting and winding treatment on the asphalt composite flexible waterproofing membrane; and step five, performing packaging treatment on the asphalt composite flexible waterproofing membrane. The method can prepare the waterproofing membrane with multiple arc-shaped grooves on the surface.

Description

Technical Field

[0001] This invention belongs to the field of waterproof membrane preparation, and particularly relates to an asphalt composite flexible waterproof membrane and its preparation method. Background Technology

[0002] Asphalt waterproof membrane is a traditional type of waterproof membrane. It is low in cost, but has low tensile strength and elongation, poor temperature stability, and is prone to flowing at high temperatures and cracking at low temperatures. It also has poor aging resistance and a short service life, making it a low-grade waterproof membrane. Asphalt waterproof membrane refers to both reinforced and unreinforced membranes. Reinforced membranes are rolls made by impregnating petroleum asphalt with thick paper, fiberglass cloth, asbestos cloth, cotton or linen fabrics as a reinforcing material. Unreinforced membranes are rolls made by mixing asbestos, rubber powder, etc., into asphalt materials and then rolling them. However, current technology is not suitable for producing waterproof membranes with multiple arc-shaped grooves on the surface. Summary of the Invention

[0003] In view of this, the technical problem to be solved by the present invention is to provide an asphalt composite flexible waterproof membrane and a method for preparing the same, which can produce a waterproof membrane with multiple arc-shaped grooves on the surface.

[0004] This invention provides a method for preparing an asphalt composite flexible waterproof membrane, the method comprising the following steps:

[0005] Step 1: Heat and mix asphalt, asbestos, and rubber powder to obtain a composite material, and then add the composite material to the preparation device;

[0006] Step 2: Extrusion molding of the composite material to obtain waterproof membrane;

[0007] Step 3: Apply sand to the surface of the waterproof membrane and remove excess sand to obtain the asphalt composite flexible waterproof membrane;

[0008] Step 4: Cut and rewind the asphalt composite flexible waterproof membrane.

[0009] Step 5: Package the asphalt composite flexible waterproof membrane.

[0010] The preparation device includes a support, a forming roller rotatably connected to the support, a groove plate fixedly connected to the support, a slider slidably connected to the groove plate, a take-up roller rotatably connected to the slider, a squeeze roller slidably connected to the take-up roller, a squeeze roller having multiple arc-shaped protrusions, and the squeeze roller being fixed to the take-up roller by bolts. A first motor is fixedly connected to the slider, and the take-up roller is fixedly connected to the output shaft of the first motor.

[0011] Two limiting rods are fixedly connected to the support, and a sliding plate is slidably connected to the two limiting rods. A cutter is fixedly connected to the sliding plate.

[0012] A steel wire rope is fixedly connected to the slider, and the other end of the steel wire rope is fixedly connected to the slide plate. A rotating wheel is rotatably connected to the groove plate, and springs are fixedly connected between the two limit rods and the slide plate.

[0013] A sand cylinder is rotatably connected to the support, and the sand cylinder has multiple sand leakage holes. A second motor is fixedly connected to the support, and the sand cylinder is fixedly connected to the output shaft of the second motor.

[0014] A collection cavity is provided at the lower end of the support.

[0015] A soft brush is fixedly connected to the lower end of the support, and the soft brush is in contact with the forming roller.

[0016] A third motor is fixedly connected to the support, a drive wheel is fixedly connected to the output shaft of the third motor, and a driven wheel is fixedly connected to the forming roller. The drive wheel and the driven wheel mesh and transmit power.

[0017] The surface of the waterproof membrane has multiple arc-shaped grooves. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0019] Figure 1 A flowchart of a method for preparing an asphalt composite flexible waterproof membrane;

[0020] Figure 2 and Figure 3 This is a schematic diagram of the overall structure of the preparation device;

[0021] Figure 4 This is a schematic diagram of the sand cylinder structure;

[0022] Figure 5 This is a schematic diagram of the extrusion roller structure;

[0023] Figure 6 This is a schematic diagram of the winding roller structure;

[0024] Figure 7 This is a schematic diagram of the structure of a soft-bristled brush;

[0025] Figure 8 This is a schematic diagram of the cutter's structure;

[0026] Figure 9 This is a schematic diagram of the skateboard's structure;

[0027] Figure 10 This is a schematic diagram of the groove plate structure. Detailed Implementation

[0028] The present invention will be described in detail with reference to the accompanying drawings in the embodiments of the present invention.

[0029] A method for preparing an asphalt composite flexible waterproof membrane includes the following steps:

[0030] Step 1: Heat and mix asphalt, asbestos, and rubber powder to obtain a composite material, and then add the composite material to the preparation device;

[0031] Step 2: Extrusion molding of the composite material to obtain a waterproof membrane with multiple arc-shaped grooves;

[0032] Step 3: Apply sand to the surface of the waterproof membrane and remove excess sand to obtain the asphalt composite flexible waterproof membrane;

[0033] Step 4: Cut and rewind the asphalt composite flexible waterproof membrane.

[0034] Step 5: Package the asphalt composite flexible waterproof membrane.

[0035] See Figure 5-7 A schematic diagram of an embodiment of the invention that enables the fabrication of a waterproof membrane with multiple arc-shaped grooves on its surface is shown. Further,

[0036] The preparation apparatus includes a support 101, a forming roller 102 rotatably connected to the support 101 via bearings, a groove plate 401 fixedly connected to the support 101 via bolts, a slider 402 slidably connected to the groove plate 401, a take-up roller 403 rotatably connected to the slider 402 via bearings, a pressing roller 405 slidably connected to the take-up roller 403, the pressing roller 405 having multiple arc-shaped protrusions, the pressing roller 405 being fixed to the take-up roller 403 via bolts, a first motor 404 fixedly connected to the slider 402 via bolts, and the take-up roller 403 fixedly connected to the output shaft of the first motor 404 via a coupling.

[0037] First, the extrusion roller 405 is installed on the take-up roller 403. Then, by controlling the slider 402 to slide on the groove plate 401, the extrusion roller 405 is brought close to the forming roller 102. At this time, the composite material is added between the extrusion roller 405 and the forming roller 102. Then, by controlling the extrusion roller 405 and the forming roller 102 to rotate relative to each other, the extrusion roller 405 and the forming roller 102 cooperate to extrude the composite material, so that the composite material adheres to the forming roller 102. As the extrusion roller 405 and the forming roller 102 continue to extrude, the composite material is formed on the forming roller 102, thereby obtaining a non-woven waterproof membrane.

[0038] The forming roller 102 serves a cooling function. The forming roller 102 has a hollow internal structure. When the forming roller 102 rotates, the operator introduces circulating coolant into the forming roller 102, which can accelerate the cooling and shaping of the composite material and speed up the preparation of the waterproof membrane. The multiple arc-shaped protrusions on the extrusion roller 405 can extrude multiple arc-shaped grooves on the surface of the waterproof membrane. Therefore, the waterproof membrane with multiple arc-shaped grooves is suitable for laying on sloping ground, which is conducive to the diversion of rainwater.

[0039] After the waterproof membrane is processed, the operator controls the slider 402 to slide on the groove plate 401 so that the extrusion roller 405 moves away from the forming roller 102. At this time, the extrusion roller 405 is removed so that the take-up roller 403 is exposed. Then, the waterproof membrane on the forming roller 102 is cut off, and one end is fixed to the take-up roller 403. Finally, the take-up roller 403 is controlled to rotate in the opposite direction to rewind the waterproof membrane.

[0040] See Figure 8-9 A schematic diagram of an embodiment of the invention capable of cutting the waterproof roll on the forming roller 102 is shown. Further,

[0041] Two limiting rods 303 are fixedly connected to the support 101 by bolts. A sliding plate 302 is slidably connected to the two limiting rods 303. A cutter 301 is fixedly connected to the sliding plate 302 by bolts.

[0042] The cutter 301 is used to cut the prepared waterproof membrane. When the extrusion roller 405 moves away from the forming roller 102, the slide plate 302 slides on the two limit rods 303 and approaches the forming roller 102. Then the slide plate 302 drives the cutter 301 to contact the forming roller 102, so that the cutter 301 cuts the waterproof membrane on the forming roller 102.

[0043] See Figure 8 This diagram illustrates an embodiment of the present invention that enables the linkage between the extrusion roller 405 and the cutter 301, reducing operational difficulty. Further,

[0044] A steel wire rope 501 is fixedly connected to the slider 402 by bolts. The other end of the steel wire rope 501 is fixedly connected to the slide plate 302 by bolts. A rotating wheel 502 is rotatably connected to the groove plate 401 by bearings. Springs 304 are welded and fixedly connected to both limit rods 303 and slide plate 302.

[0045] When the extrusion roller 405 approaches the forming roller 102, the slider 402 pulls one end of the wire rope 501. With the cooperation of the rotating wheel 502, the other end of the wire rope 501 pulls the slide plate 302 to slide backward on the two limit rods 303. At the same time, the two springs 304 are compressed. At this time, the cutter 301 moves away from the forming roller 102. When the extrusion roller 405 moves away from the forming roller 102, the slider 402 automatically slides forward under the elastic action of the two springs 304, so that the cutter 301 contacts the forming roller 102, realizing the linkage effect between the extrusion roller 405 and the cutter 301. There is no need to control the cutter 301 separately, reducing the difficulty of operation. The two springs 304 make the cutter 301 elastic and will not make hard contact with the forming roller 102, avoiding damage.

[0046] See Figure 2-4 A schematic diagram of an embodiment of the present invention that enables uniform sand covering is shown. Further,

[0047] A sand cylinder 201 is rotatably connected to the support 101 via a bearing. The sand cylinder 201 has multiple sand leakage holes 202. A second motor 203 is fixedly connected to the support 101 via bolts. The sand cylinder 201 is fixedly connected to the output shaft of the second motor 203 via a coupling.

[0048] The sand cylinder 201 is used to store sand particles. When the second motor 203 is started, the second motor 203 drives the sand cylinder 201 to rotate. When the sand cylinder 201 rotates, the sand particles tumble inside the sand cylinder 201, and then the sand particles can be evenly discharged through multiple sand leakage holes 202 on the sand cylinder 201, thereby realizing the function of covering the waterproof membrane with sand. When it is not necessary to cover the membrane with sand, the sand cylinder 201 can be controlled to stop rotating, and the sand particles will accumulate inside the sand cylinder 201 and cannot be discharged.

[0049] See Figure 2-4 A schematic diagram of an embodiment of the invention capable of collecting excess fallen sand particles is shown. Further,

[0050] A collection chamber 103 is provided at the lower end of the support 101.

[0051] The collection chamber 103 is used to collect excess sand particles. During the sand covering process, excess sand particles on the waterproof membrane can automatically fall into the collection chamber 103 as the forming roller 102 rotates, making it easy to recycle and reuse later.

[0052] See Figure 7 The diagram illustrates an embodiment of the invention capable of removing excess sand particles from a waterproof membrane. Further,

[0053] A soft brush 104 is fixedly connected to the lower end of the support 101 by bolts, and the soft brush 104 is in contact with the forming roller 102.

[0054] As the forming roller 102 rotates, the soft brush 104 continuously scrapes the waterproof membrane on the forming roller 102, thereby removing excess sand particles from the waterproof membrane and preventing sand particles from falling off during subsequent packaging, which would affect the overall quality of the waterproof membrane.

[0055] See Figure 2 A schematic diagram of an embodiment of the present invention capable of driving the forming roller 102 to rotate is shown. Further,

[0056] A third motor 603 is fixedly connected to the support 101 by bolts. A drive wheel 602 is fixedly connected to the output shaft of the third motor 603 by a coupling. A driven wheel 601 is fixedly connected to the forming roller 102 by a key. The drive wheel 602 and the driven wheel 601 mesh and transmit power.

[0057] Start the third motor 603, which drives the drive wheel 602 to rotate, which in turn drives the driven wheel 601 to rotate, and the driven wheel 601 in turn drives the forming roller 102 to rotate.

[0058] See Figure 5 This illustrates an embodiment of the invention in which the slider 402 can be driven to slide on the slot plate 401. Further,

[0059] A cylinder 406 is fixedly connected to the slot plate 401 by bolts, and a slider 402 is fixedly connected to the moving end of the cylinder 406 by bolts.

[0060] By controlling the extension of the moving end of the cylinder 406, the slider 402 can be driven to slide on the slot plate 401.

[0061] The surface of the waterproof membrane has multiple arc-shaped grooves for rain-wicking.

Claims

1. A method for preparing an asphalt composite flexible waterproof membrane, characterized in that, Includes the following steps: Step 1: Heat and mix asphalt, asbestos, and rubber powder to obtain a composite material, and then add the composite material to the preparation device; Step 2: Extrusion molding of the composite material to obtain waterproof membrane; Step 3: Apply sand to the surface of the waterproof membrane and remove excess sand to obtain the asphalt composite flexible waterproof membrane; Step 4: Cut and rewind the asphalt composite flexible waterproof membrane. Step 5: Package the asphalt composite flexible waterproof membrane; The preparation device includes a support, a forming roller rotatably connected to the support, a grooved plate fixedly connected to the support, a slider slidably connected to the grooved plate, a take-up roller rotatably connected to the slider, and a squeeze roller slidably connected to the take-up roller. The squeeze roller has multiple arc-shaped protrusions and can be fixed to the take-up roller by bolts. A first motor is fixedly connected to the slider, and the take-up roller is fixedly connected to the output shaft of the first motor. Two limiting rods are fixedly connected to the support, and a sliding plate is slidably connected to the two limiting rods. A cutter is fixedly connected to the sliding plate. A steel wire rope is fixedly connected to the slider, and the other end of the steel wire rope is fixedly connected to the sliding plate. A rotating wheel is rotatably connected to the grooved plate, and springs are fixedly connected between the two limiting rods and the sliding plate. A collecting cavity is provided at the lower end of the support. A soft brush is fixedly connected to the lower end of the support and contacts the forming roller. The surface of the waterproof membrane has multiple arc-shaped grooves.

2. The method for preparing an asphalt composite flexible waterproof membrane according to claim 1, characterized in that: A sand cylinder is rotatably connected to the support, and the sand cylinder has multiple sand leakage holes. A second motor is fixedly connected to the support, and the sand cylinder is fixedly connected to the output shaft of the second motor.

3. The method for preparing an asphalt composite flexible waterproof membrane according to claim 2, characterized in that: A third motor is fixedly connected to the support, a drive wheel is fixedly connected to the output shaft of the third motor, and a driven wheel is fixedly connected to the forming roller. The drive wheel and the driven wheel mesh and transmit power.

4. The method for preparing an asphalt composite flexible waterproof membrane according to claim 3, characterized in that: A cylinder is fixedly connected to the slot plate, and a slider is fixedly connected to the moving end of the cylinder.

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