Sand scattering device for waterproof belt production

Abstract

The invention discloses a waterproof belt production sand scattering device which comprises a frame body, a gluing mechanism, a sand scattering mechanism and a recycling mechanism, the gluing mechanism is connected with the frame body and located above a first carrier roller, a gluing gap is formed between the gluing mechanism and the first carrier roller, and the gluing mechanism is used for coating a waterproof belt arranged in the gluing gap in a penetrating mode with glue; the sand scattering mechanism is arranged in the frame body and is used for scattering sand on the glued surface of the waterproof tape; the recovery mechanism comprises a conveying part and a sand guide plate, the conveying part is arranged in the frame body and located on one side of the second carrier roller, a conveying channel is formed in the conveying part, the sand guide plate is connected with the conveying part, one side of the sand guide plate makes contact with the roller surface of the second carrier roller, and the other side of the sand guide plate extends to the position above the conveying channel; when the waterproof belt is arranged in the gluing gap in a penetrating mode and sequentially bypasses the second carrier roller and the third carrier roller, fine sand which is not adhered to the waterproof belt can slide into the conveying channel through the sand guide plate. The problem that redundant fine sand on a waterproof belt is inconvenient to recycle in the prior art is solved.

Description

Technical Field

[0001] The invention relates to the technical field of waterproof belt production, and in particular to a sand spreading device for waterproof belt production. Background Art

[0002] Waterproof tape is a material used to seal and prevent moisture penetration, and is widely used in building, construction, pipeline connection, roof waterproofing, underground engineering and other fields. It is usually made of materials such as rubber, polyurethane, asphalt or special plastics, has good elasticity and adhesion, and can form an effective waterproof barrier on various surfaces.

[0003] Sprinkling sand on waterproof tape is a special construction process, usually applied to the surface of self-adhesive or hot-melt waterproof materials; this process is mainly to increase the friction on the surface of the waterproof tape to prevent sliding, especially in humid environments or when used on vertical surfaces, it can effectively avoid the displacement of the waterproof tape and ensure its long-term and stable function; in the actual production process, when the sand-spreading mechanism sprinkles sand on the waterproof tape, some fine sand will not adhere to the colloid. If the fine sand is not recovered, it will cause waste of fine sand, increase production costs, and cause inconvenience in the winding of the waterproof tape. Summary of the invention

[0004] The purpose of the present invention is to overcome the above technical deficiencies and provide a sand spreading device for waterproof belt production to solve the problem that the excess fine sand on the waterproof belt is inconvenient to recover in the prior art.

[0005] In order to achieve the above technical objectives, the present invention adopts the following technical solutions: The present invention provides a sand spreading device for producing waterproof belts, comprising a frame, a glue coating mechanism and a sand spreading mechanism, wherein a first roller, a second roller and at least a third roller are rotatably arranged in the frame, the first roller is located below one side of the second roller, the third roller is arranged between the first roller and the second roller, and the third roller is located above one side of the second roller; the glue coating mechanism is connected to the frame and is located above the first roller, a glue coating gap is formed between the glue coating mechanism and the first roller, so as to apply glue to the waterproof belt passing through the glue coating gap; the sand spreading mechanism is arranged The frame is used to spread sand on the surface of the waterproof belt coated with glue; it also includes a recovery mechanism, which includes a conveying member and a sand guide plate. The conveying member is arranged in the frame and is located on one side of the second roller. A conveying channel is arranged in the conveying member. The sand guide plate is connected to the conveying member, and one side of the sand guide plate is in contact with the roller surface of the second roller, and the other side of the sand guide plate extends to the top of the conveying channel. When the waterproof belt is inserted into the glue coating gap and bypasses the second roller and the third roller in turn, excess fine sand on the waterproof belt can slide into the conveying channel via the sand guide plate. In some embodiments, the glue coating mechanism includes a mounting seat, a glue coating roller and a reduction motor, the mounting seat is provided with a glue storage cavity, and one side of the mounting seat is provided with a glue outlet hole connected to the glue storage cavity, the mounting seat is fixedly connected to the frame, and the glue coating roller is rotatably connected to one side of the mounting seat, wherein the glue extruded from the glue outlet hole can drip onto the roller surface of the glue coating roller, a glue coating gap is formed between the glue coating roller and the first roller, and the reduction motor is arranged on the mounting and the output end is fixedly connected to one end of the glue coating roller.

[0006] In some embodiments, a glue supply mechanism is also included, which includes a box body, a liquid pumping piece and a glue squeezing piece. The box body contains colloid, the box body is connected to the glue squeezing piece via the liquid pumping piece, and the glue squeezing piece is connected to the glue storage cavity. The liquid pumping piece is used to pump the colloid in the box body to the glue squeezing piece, and the glue squeezing piece is used to squeeze the colloid into the glue storage cavity.

[0007] In some embodiments, the glue extruder includes a sleeve, a piston block, a transmission rod and a driving member, and opposite ends of the sleeve are respectively provided with a glue inlet connected to the box body and a glue outlet connected to the glue storage cavity. The sleeve is fixedly connected to the housing, the piston block is slidably disposed in the sleeve, one end of the transmission rod is inserted into the sleeve and fixedly connected to the piston block, the driving member is fixedly disposed on the housing and the output end is fixedly connected to the other end of the transmission rod, the driving member is used to drive the transmission rod to move along the axial direction of the sleeve, and when the piston block moves to one end of the sleeve, the liquid pumping member can pump the colloid in the housing into the sleeve, and when the piston block moves to the other end of the sleeve, the piston block can squeeze the colloid in the sleeve into the colloid storage chamber.

[0008] In some embodiments, the driving member includes a forward and reverse motor, a threaded screw and a connecting block. The forward and reverse motor is fixedly connected to the box body, the threaded screw is rotatably arranged on the box body, and the axis of the threaded screw is parallel to the axis of the transmission rod, one end of the threaded screw is fixedly connected to the output end of the forward and reverse motor, one end of the connecting block is fixedly connected to the other end of the transmission rod, and the other end of the connecting block is threadedly rotatably connected to the threaded screw.

[0009] In some embodiments, the sand-spreading mechanism includes a cylinder, an adjusting block, a support plate and a first telescopic member. The cylinder is movably connected to the frame. A sand-spreading port is provided at the bottom of the cylinder, and the inner diameter of the lower end of the cylinder is gradually reduced toward the sand-spreading port. The support plate is fixedly arranged inside the lower end of the cylinder, and channels are formed on both the support plate and the opposite side walls of the cylinder. The first telescopic member is fixedly arranged on the support plate and the output end is fixedly connected to the adjusting block. The adjusting block is driven to rise and fall by the first telescopic member to adjust the gap width between the adjusting block and the opposite side walls of the cylinder.

[0010] In some embodiments, a cleaning mechanism is also included, which includes a brush roller rotatably mounted on the frame, the brush roller is located above the conveying channel, and the brush roller is in contact with the surface of the waterproof belt. The brush roller is used to brush off fine sand that is not adhered to the surface of the waterproof belt.

[0011] In some embodiments, a clamping mechanism is also included, which includes a second telescopic member, a base and a pressure roller, the second telescopic member is fixedly connected to the frame, the output end of the second telescopic member is connected to the base, the pressure roller is rotatably arranged in the base, the second telescopic member is used to drive the pressure roller to abut against the third roller, and the waterproof belt is clamped between the pressure roller and the third roller.

[0012] In some embodiments, a drying mechanism is also included, which includes a cover body, an air blower and a heating core. The cover body is connected to the frame and is located above the third roller. The side of the cover body corresponding to the waterproof belt is provided with a plurality of air dispersion holes. The air blower is connected to the cover body. The heating core is fixed in the cover body. The air blower is used to transport airflow into the cover body, and the heating core is used to heat the airflow. In some embodiments, the conveying member is a belt conveyor.

[0013] Compared with the prior art, the present invention provides a sand spreading device for waterproof belt production, in which a glue coating gap is formed between the glue coating mechanism and the first roller, the glue coating mechanism is used to coat the waterproof belt passing through the glue coating gap with a colloid, and the sand spreading mechanism is used to spread sand on the glue-coated surface of the waterproof belt; the conveying member is arranged in the frame and is located on one side of the second roller, a conveying channel is arranged in the conveying member, a sand guide plate is connected to the conveying member, and one side of the sand guide plate is in contact with the roller surface of the second roller, and the other side of the sand guide plate extends to the top of the conveying channel; when the waterproof belt passes through the glue coating gap and passes around the second roller and the third roller in turn, as the second roller rotates, the fine sand that is not adhered to the waterproof belt can slide off the second roller under the action of its own gravity and slide into the conveying channel through the sand guide plate, effectively ensuring that the fine sand on the waterproof belt that is not adhered to the colloid can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a sand spreading device for producing waterproof belts provided by an embodiment of the present invention; Figure 2 yes Figure 1 A magnified schematic diagram of the middle A area; Figure 3 yes Figure 1 A magnified schematic diagram of the middle B area; Figure 4is a schematic diagram of the internal structure of a sand spreading mechanism provided by an embodiment of the present invention; Figure 5 is a structural schematic diagram of a gluing mechanism provided by an embodiment of the present invention; Figure 6 It is a structural schematic diagram of a drying mechanism provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0016] In order to solve the technical problem in the prior art that excess fine sand on the waterproof belt is inconvenient to recycle, the present invention provides a sand spreading device for waterproof belt production, which can recycle the unadhered fine sand on the waterproof belt.

[0017] See also Figure 1-Figure 6 , Figure 1-Figure 6 The present invention is a sand spreading device for producing waterproof tapes in one embodiment of the present invention, comprising a frame 1, a glue coating mechanism 2 and a sand spreading mechanism 3, wherein a first roller 11, a second roller 12 and at least one third roller 13 are rotatably arranged in the frame 1, wherein the first roller 11 is located below one side of the second roller 12, and the third roller 13 is arranged between the first roller 11 and the second roller 12, and the third roller 13 is located above one side of the second roller 12; the glue coating mechanism 2 is connected to the frame 1 and is located above the first roller 11, and a glue coating gap is formed between the glue coating mechanism 2 and the first roller 11, so as to coat the waterproof tape passing through the glue coating gap with glue; the sand spreading mechanism 3 It is arranged in the frame 1 and is used to spread sand on the surface of the waterproof tape coated with glue; it also includes a recovery mechanism 4, which includes a conveying member 41 and a sand guide plate 42. The conveying member 41 is arranged in the frame 1 and is located on one side of the second roller 12. A conveying channel is arranged in the conveying member 41. The sand guide plate 42 is connected to the conveying member 41, and one side of the sand guide plate 42 is in contact with the roller surface of the second roller 12, and the other side of the sand guide plate 42 extends to the top of the conveying channel; when the waterproof tape is inserted into the glue coating gap and bypasses the second roller 12 and the third roller 13 in turn, the excess fine sand on the waterproof tape can slide into the conveying channel through the sand guide plate 42.

[0018] It should be noted that one end of the first roller 11, the second roller 12 and the third roller 13 are fixedly connected to a servo motor, which drives the first roller 11, the second roller 12 and the third roller 13 to rotate around their own axes, wherein the axes of the first roller 11, the second roller 12 and the third roller 13 are parallel to each other.

[0019] In this specific embodiment, the glue coating mechanism 2 includes a mounting seat 21, a glue coating roller 22 and a reduction motor 23. The mounting seat 21 is provided with a glue storage cavity, and one side of the mounting seat 21 is provided with a glue outlet hole 211 connected to the glue storage cavity. The mounting seat 21 is fixedly connected to the frame 1, and the glue coating roller 22 is rotatably connected to one side of the mounting seat 21, wherein the glue extruded from the glue outlet hole 211 can drip onto the roller surface of the glue coating roller 22, and a glue coating gap is formed between the glue coating roller 22 and the first roller 11. The reduction motor 23 is arranged on the mounting and the output end is fixedly connected to one end of the glue coating roller 22.

[0020] Specifically, the colloid in the glue storage chamber drips onto the roller surface of the glue coating roller 22 through the glue outlet hole 211. When the reduction motor 23 drives the glue coating roller 22 to rotate around its own axis, the colloid on the roller surface of the glue coating roller 22 can be coated on the surface of the waterproof belt; wherein, the length of the glue coating roller 22 is not less than the width of the waterproof belt.

[0021] On the basis of the above scheme, in order to facilitate the delivery of colloid into the glue storage cavity, specifically, a glue supply mechanism 5 is further included, and the glue supply mechanism 5 includes a box body 51, a liquid pumping part 52 and a glue squeezing part 53. The box body 51 is filled with colloid, and the box body 51 is connected with the glue squeezing part 53 via the liquid pumping part 52, and the glue squeezing part 53 is connected with the glue storage cavity. The liquid pumping part 52 is used to pump the colloid in the box body 51 to the glue squeezing part 53, and the glue squeezing part 53 is used to squeeze the colloid into the glue storage cavity.

[0022] In this specific embodiment, the glue extruding member 53 includes a sleeve 531, a piston block 532, a transmission rod 533 and a driving member 534. The opposite ends of the sleeve 531 are respectively provided with a glue inlet connected to the box body 51 and a glue outlet connected to the glue storage chamber. It should be noted that a one-way valve is provided between the glue inlet of the sleeve 531 and the liquid extraction member 52. The sleeve 531 is fixedly connected to the box body 51, and the piston block 532 is slidably arranged in the sleeve 531. One end of the transmission rod 533 is penetrated in the sleeve 531 and connected to the piston block 532 is fixedly connected, the driving member 534 is fixedly arranged on the box body 51 and the output end is fixedly connected to the other end of the transmission rod 533, the driving member 534 is used to drive the transmission rod 533 to move along the axial direction of the sleeve 531, and when the piston block 532 moves to one end of the sleeve 531, the liquid pumping member 52 can pump the colloid in the box body 51 into the sleeve 531, and when the piston block 532 moves to the other end of the sleeve 531, the piston block 532 can squeeze the colloid in the sleeve 531 into the glue storage chamber.

[0023] In this specific embodiment, the driving member 534 includes a forward and reverse motor 5341, a threaded screw 5342 and a connecting block 5343. The forward and reverse motor 5341 is fixedly connected to the box body 51, and the threaded screw 5342 is rotatably arranged on the box body 51, and the axis of the threaded screw 5342 is parallel to the axis of the transmission rod 533, one end of the threaded screw 5342 is fixedly connected to the output end of the forward and reverse motor 5341, one end of the connecting block 5343 is fixedly connected to the other end of the transmission rod 533, and the other end of the connecting block 5343 is threadedly rotatably connected to the threaded screw 5342.

[0024] In one embodiment, the sand spreading mechanism 3 includes a cylinder 31, an adjusting block 32, a support plate 33 and a first telescopic member 34. The cylinder 31 is movably connected to the frame 1. A sand spreading port is provided at the bottom of the cylinder 31, and the inner diameter of the lower end of the cylinder 31 is gradually reduced toward the sand spreading port. The support plate 33 is fixed inside the lower end of the cylinder 31. Channels are formed on the support plate 33 and the opposite side walls of the cylinder 31. The first telescopic member 34 is fixed on the support plate 33 and the output end is fixedly connected to the adjusting block 32. The adjusting block 32 is driven to rise and fall by the first telescopic member 34 to adjust the gap width between the adjusting block 32 and the opposite side walls of the cylinder 31.

[0025] It should be noted that the cross-section of the adjusting block 32 is triangular, and the first telescopic member 34 is an electric cylinder. When the first telescopic member 34 drives the adjusting block 32 to rise, the width of the gap between the adjusting block 32 and the two opposite side walls of the cylinder 31 can be increased, wherein the fine sand flowing out from the two gaps can be used to sprinkle sand on the waterproof belt twice, which can ensure that the fine sand is evenly adhered to the surface of the waterproof belt.

[0026] It should be noted that the conveying member 41 is a belt conveyor, which is arranged along the width direction of the waterproof belt. The conveying channel is formed on the upper surface of the conveyor belt of the belt conveyor. In addition, a collecting box 9 is provided below the end of the conveying channel, and the belt conveyor can transport fine sand into the collecting box 9.

[0027] On the basis of the above scheme, in order to clean off the fine sand that is not adhered to the surface of the waterproof belt, specifically, a cleaning mechanism 6 is also included, and the cleaning mechanism 6 includes a brush roller 61 rotatably arranged on the frame 1, and the brush roller 61 is located above the conveying channel, and the brush roller is in contact with the surface of the waterproof belt, and the brush roller 61 is used to brush off the fine sand that is not adhered to the surface of the waterproof belt.

[0028] In other embodiments, the cleaning mechanism 6 further includes a driving motor, which is connected to one end of the brush roller 61 , and the brush roller 61 is driven by the driving motor to rotate around its own axis.

[0029] In addition, in order to improve the adhesion between the fine sand and the waterproof belt, specifically, a clamping mechanism 7 is also included, and the clamping mechanism 7 includes a second telescopic member 71, a base 72 and a pressure roller 73. The second telescopic member 71 is fixedly connected to the frame 1, and the output end of the second telescopic member 71 is connected to the base 72. The pressure roller 73 is rotatably arranged in the base 72. The second telescopic member 71 is used to drive the pressure roller 73 to abut against the third roller 13, and the waterproof belt is clamped between the pressure roller 73 and the third roller 13.

[0030] On the basis of the above scheme, in order to facilitate the rapid solidification of the colloid, specifically, it also includes a drying mechanism 8, which includes a cover body 81, a blower 82 and a heating cell 83. The cover body 81 is connected to the frame 1 and is located above the third roller 13. The cover body 81 is provided with a plurality of air diffusion holes 811 on the side of the waterproof belt corresponding to the air flow. The blower 82 is connected to the cover body 81, and the heating cell 83 is fixed in the cover body 81. The blower 82 is used to transport airflow into the cover body 81, and the heating cell 83 is used to heat the airflow. The hot airflow blown out through the air diffusion holes 811 dries the colloid on the surface of the waterproof belt. The specific implementation of the present invention described above does not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A sand spreading device for producing waterproof tape, comprising a frame, a glue coating mechanism and a sand spreading mechanism, wherein a first roller, a second roller and at least a third roller are rotatably arranged in the frame, the first roller is located below one side of the second roller, the third roller is arranged between the first roller and the second roller, and the third roller is located above one side of the second roller; the glue coating mechanism is connected to the frame and is located above the first roller, a glue coating gap is formed between the glue coating mechanism and the first roller, so as to apply glue to the waterproof tape passing through the glue coating gap; the sand spreading mechanism is arranged in the frame, and is used to spread sand on the glue-coated surface of the waterproof tape; it is characterized in that The utility model also includes a recycling mechanism, which includes a conveying member and a sand guide plate. The conveying member is arranged in the frame and is located on one side of the second roller. A conveying channel is arranged in the conveying member. The sand guide plate is connected to the conveying member, and one side of the sand guide plate is in contact with the roller surface of the second roller, and the other side of the sand guide plate extends to the top of the conveying channel. When the waterproof belt is passed through the glue coating gap and bypasses the second roller and the third roller in turn, the fine sand that is not adhered to the waterproof belt can slide into the conveying channel through the sand guide plate.

2. A sand spreading device for waterproof tape production according to claim 1, characterized in that: The glue coating mechanism includes a mounting seat, a glue coating roller and a reduction motor. The mounting seat is provided with a glue storage cavity, and one side of the mounting seat is provided with a glue outlet hole connected to the glue storage cavity. The mounting seat is fixedly connected to the frame, and the glue coating roller is rotatably connected to one side of the mounting seat, wherein the glue extruded from the glue outlet hole can drip onto the roller surface of the glue coating roller, and a glue coating gap is formed between the glue coating roller and the first supporting roller. The reduction motor is arranged on the mounting and the output end is fixedly connected to one end of the glue coating roller.

3. A sand spreading device for waterproof tape production according to claim 2, characterized in that: It also includes a glue supply mechanism, which includes a box body, a liquid pumping piece and a glue squeezing piece. The box body contains colloid, the box body is connected with the glue squeezing piece via the liquid pumping piece, and the glue squeezing piece is connected with the glue storage cavity. The liquid pumping piece is used to pump the colloid in the box body to the glue squeezing piece, and the glue squeezing piece is used to squeeze the colloid into the glue storage cavity.

4. A sand spreading device for waterproof tape production according to claim 3, characterized in that: The glue extruding component includes a sleeve, a piston block, a transmission rod and a driving component. The opposite two ends of the sleeve are respectively provided with a glue inlet connected to the box body, and a glue outlet connected to the glue storage chamber. The sleeve is fixedly connected to the box body, the piston block is slidably arranged in the sleeve, one end of the transmission rod is penetrated in the sleeve and fixedly connected to the piston block, the driving component is fixed on the box body and the output end is fixedly connected to the other end of the transmission rod. The driving component is used to drive the transmission rod to move along the axial direction of the sleeve, and when the piston block moves to one end of the sleeve, the liquid pumping component can pump the colloid in the box body into the sleeve, and when the piston block moves to the other end of the sleeve, the piston block can squeeze the colloid in the sleeve into the glue storage chamber.

5. A sand spreading device for waterproof tape production according to claim 4, characterized in that: The driving component includes a forward and reverse motor, a threaded screw and a connecting block. The forward and reverse motor is fixedly connected to the box body, the threaded screw is rotatably arranged on the box body, and the axis of the threaded screw is parallel to the axis of the transmission rod, one end of the threaded screw is fixedly connected to the output end of the forward and reverse motor, one end of the connecting block is fixedly connected to the other end of the transmission rod, and the other end of the connecting block is threadedly rotatably connected to the threaded screw.

6. A sand spreading device for waterproof tape production according to claim 1, characterized in that: The sand-spreading mechanism includes a cylinder, an adjusting block, a support plate and a first telescopic member. The cylinder is movably connected to the frame. A sand-spreading port is provided at the bottom of the cylinder, and the inner diameter of the lower end of the cylinder is gradually reduced toward the sand-spreading port. The support plate is fixedly arranged inside the lower end of the cylinder, and channels are formed on both the support plate and the opposite side walls of the cylinder. The first telescopic member is fixedly arranged on the support plate and the output end is fixedly connected to the adjusting block. The adjusting block is driven to rise and fall by the first telescopic member to adjust the gap width between the adjusting block and the opposite side walls of the cylinder.

7. A sand spreading device for waterproof tape production according to claim 1, characterized in that: It also includes a cleaning mechanism, which includes a brush roller rotatably arranged on the frame, the brush roller is located above the conveying channel, and the brush roller is in contact with the surface of the waterproof belt. The brush roller is used to brush off the fine sand that is not adhered to the surface of the waterproof belt.

8. The sand spreading device for waterproof tape production according to claim 1, characterized in that: It also includes a clamping mechanism, which includes a second telescopic member, a base and a pressure roller, the second telescopic member is fixedly connected to the frame, the output end of the second telescopic member is connected to the base, the pressure roller is rotatably arranged in the base, the second telescopic member is used to drive the pressure roller to abut against the third roller, and the waterproof belt is clamped between the pressure roller and the third roller.

9. A sand spreading device for waterproof tape production according to claim 1, characterized in that: It also includes a drying mechanism, which includes a cover body, an air blower and a heating core. The cover body is connected to the frame and is located above the third roller. The side of the cover body corresponding to the waterproof belt is provided with a plurality of air diffusion holes. The air blower is connected to the cover body. The heating core is fixed in the cover body. The air blower is used to transport airflow into the cover body, and the heating core is used to heat the airflow.

10. A sand spreading device for waterproof tape production according to claim 1, characterized in that: The conveying member is a belt conveyor.

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