Production equipment and production process of rock wool fiberboard

Abstract

The present invention belongs to the technical field of rock wool fiberboard production, and specifically relates to a rock wool fiberboard production equipment and production process, including a base frame, a conveyor belt group is provided on the base frame, a paving bin is provided on the base frame, a vibrating transport mechanism is provided below the paving bin, and a pre-pressing cover is provided on the base frame; in the rock wool fiberboard production equipment, the movable block on the paving bin drives the corrugated pipe to reciprocate on the feed port to achieve uniform paving of rock wool fibers, and at the same time, the scratching rod in the cleaning mechanism cooperates with the connecting pipe to avoid blockage of the feed channel; the spring 2 and the vibration motor of the vibrating transport mechanism further ensure uniform distribution of rock wool fibers and reduce local density unevenness, and multiple pre-pressing rollers with decreasing heights are driven by synchronous wheels, synchronous belts and servo motor 2 to achieve progressive compaction, and at the same time, the needles in the needling mechanism continuously needle the rock wool fiberboard, thereby enhancing the structural strength and stability of the rock wool fiberboard.

Description

Technical Field

[0001] The present invention belongs to the technical field of rock wool fiberboard production, and in particular relates to production equipment and a production process for rock wool fiberboard. Background Art

[0002] Rockwool fiberboard, also known as rock wool board, is a man-made inorganic fiber board made from natural minerals such as basalt, which are melted into fibers at high temperatures and then added with an appropriate amount of binder. It has the properties of thermal insulation, fire retardancy, sound absorption and noise reduction, and is lightweight and durable.

[0003] In the current field of rock wool fiberboard production, the pendulum method and the sedimentation method are the two mainstream cotton laying processes. The pendulum method forms a multi-layer cross-shaped three-dimensional structure by repeatedly stacking and compacting the rock wool fibers. This unique structure gives the product higher strength. However, during the production process of this process, the uneven distribution of fibers can easily lead to local density differences, resulting in quality problems such as uneven density in the rock wool fiberboard. The sedimentation method adopts the principle of natural accumulation, allowing the rock wool fibers to fall freely and accumulate in the sedimentation chamber by gravity. The resulting rock wool fiberboard has a more uniform density, but due to the lack of a multi-layer cross structure, the overall strength of the product is relatively limited. Summary of the Invention

[0004] The purpose of the present invention is to provide a production equipment and production process for a rock wool fiberboard with uniform cotton spreading in order to solve the above problems.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A production device for rock wool fiberboard comprises a base frame, a conveyor belt group is provided on the base frame, and is characterized in that: a material laying bin is provided on the base frame, a vibrating transport mechanism is provided below the material laying bin, and a pre-pressing cover is provided on the base frame;

[0007] Also included are:

[0008] Pre-pressing rollers, wherein there are multiple pre-pressing rollers, the pre-pressing rollers are rotatably arranged on the pre-pressing cover, and the multiple pre-pressing rollers are connected to each other in a decreasing height form;

[0009] A cam, wherein the cam is fixedly arranged on the pre-pressing cover, and the pre-pressing roller is sleeved on the cam;

[0010] The needling mechanism is arranged on the pre-pressing roller and cooperates with the cam. When the needling mechanism contacts the rock wool fiber, the rock wool fiber is needled.

[0011] As a further optimization scheme of the present invention, hollow shafts are provided at both ends of the pre-pressing roller, and the pre-pressing roller is rotatably arranged on the pre-pressing cover through the hollow shaft. Synchronous wheels are provided on the hollow shafts, and synchronous belts are connected between adjacent hollow shafts through synchronous wheels. Servo motor 2 is provided on the pre-pressing cover, and bevel gears are provided on the output end of servo motor 2 and one of the hollow shafts, and the two bevel gears are engaged with each other.

[0012] As a further optimization solution of the present invention, a cross bar is fixedly provided on the pre-compression cover, the hollow shaft is sleeved on the cross bar, and the cam is fixedly provided on the cross bar.

[0013] As a further optimization scheme of the present invention, the acupuncture mechanism includes a plurality of needles, a sliding sleeve is provided on the inner wall of the pre-pressing roller, the needles are in a ring array and are slidably arranged on the pre-pressing roller through the sliding sleeve, a spring is provided between the needles and the sliding sleeve, the spring set is provided on the needles, a roller is provided at one end of the needles, and the roller is rollingly arranged on the cam surface.

[0014] As a further optimization scheme of the present invention, a feed port is provided on the material paving bin, a movable block is slidingly provided in the feed port, an open accordion cover is provided between the two sides of the movable block and the inner wall of the feed port, a screw rod is rotatably provided on the feed port, a slide rod is fixedly provided on one side of the screw rod, the movable block is threadedly connected to the screw rod, the movable block is slidably provided on the slide rod, a servo motor 1 is provided on the feed port, the output end of the servo motor 1 is fixedly connected to the screw rod, a baffle is provided on the movable block, the lower end of the open accordion cover is connected to the baffle, and a cleaning mechanism is provided on the movable block.

[0015] As a further optimization scheme of the present invention, the cleaning mechanism includes a connecting pipe, which is arranged through the movable block, a rotating ring is rotatably arranged on the baffle, a tooth protrusion is provided on the surface of the rotating ring, a gear is rotatably arranged on the movable block, the rotating ring is connected to the gear through the tooth protrusion, a rack is arranged on the feed port, the rack is engaged with the gear, the rack is arranged in the open accordion cover, a scratch rod is fixedly arranged on the inner side of the rotating ring, and the scratch rod is in contact with the inner wall of the connecting pipe.

[0016] As a further optimization scheme of the present invention, the vibrating transport mechanism includes a mounting cover, wing plates are provided on both sides of the mounting cover, a second spring is provided between the wing plate and the base frame, a plurality of transport rollers are rotatably provided on the mounting cover, a belt is provided on the transport roller, a servo motor three is fixed on the mounting cover, the output end of the servo motor three passes through the mounting cover and is fixedly connected to one of the transport rollers, and a vibration motor is fixedly provided on the mounting cover.

[0017] As a further optimization solution of the present invention, a bracket is provided on the base frame, a bellows is connected to the bracket, and the bellows is fixedly connected to the connecting pipe.

[0018] As a further optimization scheme of the present invention, a negative pressure cover is provided on the base frame, a brush roller is rotatably provided on the negative pressure cover, a brush motor is provided on the negative pressure cover, the output end of the brush motor passes through the negative pressure cover and is connected to the brush roller, and a negative pressure tube is provided on the negative pressure cover.

[0019] A production process of rock wool fiberboard, the process flow is as follows:

[0020] S1: Evenly feed the block or compressed rock wool fiber raw materials into the feeding port of the de-wool machine, and use mechanical force to tear and hit the raw materials to decompose them into loose fiber bundles;

[0021] S2: The unraveled fibers are further combed into a uniform fiber web through a carding machine to remove residual impurities and adjust the fiber direction;

[0022] S3: The carded fiber web is broken up and broken into single fibers, which are then fed into a cyclone through a pipe. The binder is sprayed from a nozzle by a high-pressure pump to form droplets, which fully contact the high-speed rotating fibers in the cyclone and are transported out at the same time;

[0023] S4: The rock wool fibers mixed with the binder enter the paving bin through the corrugated pipe;

[0024] S5: The movable block drives the corrugated pipe to move back and forth, so that the rock wool fibers are spread on the vibrating transport mechanism, and the vibration of the vibrating transport mechanism ensures that the rock wool fibers are evenly distributed;

[0025] S6: The evenly distributed rock wool fibers are transported to the conveyor belt group, and the rock wool fibers are pressurized and shaped by the gradually lowered pre-pressing rollers. At the same time, the needles on the pre-pressing rollers puncture the rock wool fibers during the pressurization and shaping process.

[0026] S7: The needle-punched rock wool fiberboard enters the negative pressure hood, and the floating cotton on its surface is cleaned by a brush roller;

[0027] S8: hot pressing and curing the pre-pressed and cleaned rock wool fiberboard;

[0028] S9: Cutting the hot-pressed and solidified rock wool fiberboard.

[0029] The beneficial effects of the present invention are:

[0030] 1. Different from the existing technology, in actual use, the movable block on the paving bin drives the corrugated pipe to reciprocate on the feed port to achieve uniform paving of rock wool fibers. At the same time, the scratching rod in the cleaning mechanism cooperates with the connecting pipe to avoid blockage of the feed channel; the spring 2 and the vibration motor of the vibrating transport mechanism further ensure the uniform distribution of rock wool fibers and reduce local density unevenness.

[0031] 2. Different from the existing technology, in actual use, multiple pre-pressing rollers with decreasing heights are driven by synchronous wheels, synchronous belts and servo motors to achieve progressive compaction. At the same time, the needles in the needling mechanism continuously pierce the rock wool fiberboard and penetrate the fiber layer, forcing some fibers to displace in the direction of needle movement, resulting in mechanical connection and entanglement with surrounding fibers, thereby enhancing the structural strength and stability of the rock wool fiberboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2 This is a schematic diagram of the split structure of the paving bin of the present invention;

[0034] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the shielding plate of the present invention;

[0035] Figure 4 It is a schematic structural diagram of the pre-compression cover of the present invention;

[0036] Figure 5 Schematic diagram of the negative pressure cover connection mechanism of the present invention;

[0037] Figure 6 This is a schematic structural diagram of the pre-pressing roller of the present invention;

[0038] Figure 7 The present invention is Figure 6 Schematic diagram of the structure observed from the middle LL direction;

[0039] Figure 8 It is a schematic diagram of the connection structure of the vibration transport mechanism of the present invention;

[0040] Figure 9 It is a structural schematic diagram of the vibration transport mechanism of the present invention.

[0041] In the figure: 1. Base frame; 2. Material laying bin; 21. Feed port; 22. Open accordion cover; 23. Movable block; 231. Shielding plate; 232. Screw rod; 233. Sliding rod; 24. Servo motor 1; 3. Pre-pressing cover; 4. Cleaning mechanism; 41. Connecting pipe; 42. Rotating ring; 421. Tooth cam; 43. Gear; 44. Rack; 45. Scratching rod; 5. Pre-pressing roller; 51. Synchronous belt; 52. Bevel gear; 53. Servo motor 2; 54. Hollow shaft; 6. Acupuncture mechanism; 61. Acupuncture needle; 62. Roller; 63. Spring 1; 64. Sliding sleeve; 7. Cam; 71. Cross bar; 8. Vibrating transport mechanism; 81. Mounting cover; 82. Transport roller; 83. Belt; 84. Servo motor 3; 85. Spring 2; 86. Vibrating motor; 9. Brush roller; 91. Negative pressure cover; 92. Negative pressure tube; 93. Brush motor; 10. Bellows; 11. Conveyor belt assembly. DETAILED DESCRIPTION

[0042] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0043] Example 1: Figure 1 - Figure 9 As shown, a production equipment for rock wool fiberboard includes a base frame 1, a conveyor belt group 11 is provided on the base frame 1, and a pre-pressing cover 3 is provided on the base frame 1. The overall structure of the equipment is supported by the base frame 1 as the core. The conveyor belt group 11 is responsible for the transmission of rock wool fibers and performs pre-pressing treatment in the pre-pressing cover 3, thereby constructing the basic framework for the production of rock wool fiberboard and providing hardware support for the stable operation of a series of subsequent production processes.

[0044] A material paving bin 2 is provided on the base frame 1, and a bracket is provided on the base frame 1. The bracket is located above the material paving bin 2, and a bellows 10 is connected to the bracket. A material feeding port 21 is provided on the material paving bin 2, and a movable block 23 is slidingly provided in the material feeding port 21. An open accordion cover 22 is provided between the two sides of the movable block 23 and the inner wall of the material feeding port 21. A screw rod 232 is rotatably provided on the material feeding port 21, and a slide rod 233 is fixedly provided on one side of the screw rod 232. The movable block 23 is threadedly connected to the screw rod 232, and the movable block 23 is slidably provided on the slide rod 233. A servo motor 24 is provided on the feed port 21, and the output end of the servo motor 24 is fixedly connected to the screw rod 232, a baffle 231 is provided on the movable block 23, and the lower end of the open accordion cover 22 is connected to the baffle 231; the servo motor 24 drives the screw rod 232 to rotate, driving the movable block 23 to slide back and forth under the guidance of the slide rod 233, which can accurately control the laying position and range of the rock wool fiber. The open accordion cover 22 can effectively prevent the fiber from overflowing, keep the working environment clean, and create good conditions for subsequent uniform laying.

[0045] The movable block 23 is provided with a cleaning mechanism 4, which includes a connecting pipe 41, the bellows 10 is fixedly connected to the connecting pipe 41, the connecting pipe 41 is set through the movable block 23, the baffle 231 is rotatably provided with a rotating ring 42, the surface of the rotating ring 42 is provided with a tooth protrusion 421, the movable block 23 is rotatably provided with a gear 43, the rotating ring 42 is connected to the gear 43 through the tooth protrusion 421, the feed port 21 is provided with a rack 44, the rack 44 is meshed with the gear 43, and the rack 44 is provided at the opening Inside the accordion cover 22, a scratch rod 45 is fixedly provided on the inner side of the rotating ring 42, and the scratch rod 45 is in contact with the inner wall of the connecting pipe 41. When the movable block 23 moves, the gear 43 and the rack 44 engage to drive the rotating ring 42 to rotate, and the scratch rod 45 then scrapes off the fibers attached to the inner wall of the connecting pipe 41 to prevent the accumulation of fibers and blockage of the pipeline, thereby ensuring the smooth flow of the rock wool fiber conveying channel, effectively reducing the number of equipment shutdowns and maintenance due to pipeline blockage, and improving production efficiency. The baffle 231 prevents fibers from being contaminated on the gear 43.

[0046] A plurality of pre-pressing rollers 5 are rotatably arranged on the pre-pressing cover 3, and the plurality of pre-pressing rollers 5 are connected to each other in a decreasing height form. Hollow shafts 54 are provided at both ends of the pre-pressing rollers 5, and the pre-pressing rollers 5 are rotatably arranged on the pre-pressing cover 3 through the hollow shafts 54. Synchronous wheels are provided on the hollow shafts 54, and a synchronous belt 51 is connected between adjacent hollow shafts 54 through synchronous wheels. A servo motor 2 53 is provided on the pre-pressing cover 3, and a bevel gear 52 is provided on the output end of the servo motor 2 53 and one of the hollow shafts 54. The two bevel gears 52 are engaged with each other, and the servo motor 2 53 is driven by the bevel gear 52, and drives the plurality of pre-pressing rollers 5 to rotate synchronously through the hollow shaft 54, the synchronous wheel and the synchronous belt 51. The pre-pressing rollers 5 with decreasing height can gradually pressurize the rock wool fibers, so that the rock wool fibers are gradually compacted. Compared with single pressure compaction, this method can better ensure the uniformity of the internal structure of the rock wool fibers, thereby improving the overall quality of the rock wool fiberboard.

[0047] A cam 7 is fixedly provided on the pre-pressing cover 3 , with the raised part of the cam 7 facing downwards. The pre-pressing roller 5 is sleeved on the cam 7 . A cross bar 71 is fixedly provided on the pre-pressing cover 3 , the hollow shaft 54 ​​is sleeved on the cross bar 71 , and the cam 7 is fixedly provided on the cross bar 71 . The pre-pressing roller 5 is provided with a needling mechanism 6, which cooperates with the cam 7. When the needling mechanism 6 contacts the rock wool fiber, it will be needled. The needling mechanism 6 includes a plurality of needles 61. A sliding sleeve 64 is provided on the inner wall of the pre-pressing roller 5. The needles 61 are in a ring array and are slidably arranged on the pre-pressing roller 5 through the sliding sleeve 64. A spring 63 is provided between the needles 61 and the sliding sleeve 64. The spring 63 is sleeved on the needle 61. A roller 62 is provided at one end of the needle 61. The roller 62 is rollingly arranged on the surface of the cam 7. The setting of the cam 7 provides a motion trajectory basis for the needling mechanism 6, and cooperates with the cross bar 71 to ensure that during the rotation of the pre-pressing roller 5, the cam 7 can stably cooperate with the needling mechanism 6, providing a reliable motion driving source for the rock wool fiber needling process. When the pre-pressing roller 5 rotates, the roller 62 rolls along the contour of the cam 7 to control the extension and retraction of the needle 61 to needle the rock wool fiber. Spring 1 63 provides a reset force to ensure that the needle 61 can be reset in time to avoid fiber entanglement. At the same time, since the raised part of the cam 7 is facing downward, the needle 61 can only be extended when the pre-pressing roller 5 contacts the rock wool fiber. In this way, the adjacent pre-pressing rollers 5 can be closely close to each other, so that the rock wool fiberboard can be continuously stressed, ensuring that the rock wool fiber can be fully squeezed at every point during the initial compaction process, reducing the problem of insufficient local compaction caused by excessive spacing. The needle-punching process can enhance the interweaving force between the rock wool fibers, significantly improve the structural strength and stability of the rock wool fiberboard, make it less likely to deform or break during use, and extend its service life.

[0048] A vibrating transport mechanism 8 is provided below the paving bin 2, and the conveyor belt group 11 is located on one side of the vibrating transport mechanism 8. The vibrating transport mechanism 8 includes a mounting cover 81, and wing plates are provided on both sides of the mounting cover 81. A second spring 85 is provided between the wing plate and the base frame 1. A plurality of transport rollers 82 are provided on the mounting cover 81, and a belt 83 is provided on the transport roller 82. A servo motor three 84 is fixed on the mounting cover 81, and the output end of the servo motor three 84 passes through the mounting cover 81 and is fixedly connected to one of the transport rollers 82. Two vibration motors 86 are symmetrically fixedly provided at the bottom of the mounting cover 81. After the vibration motor 86 is started, the mounting cover 81 vibrates at a high frequency under the buffering of the second spring 85, so that the rock wool fibers are evenly distributed and the problem of local density unevenness is eliminated; the servo motor three 84 drives the transport rollers 82 and the belt 83 to smoothly transport the rock wool fibers to the conveyor belt group 11.

[0049] A negative pressure hood 91 is mounted on the base frame 1. A brush roller 9 is rotatably mounted on the negative pressure hood 91. A negative pressure tube 92 is mounted on the negative pressure hood 91. An electric telescopic rod is mounted on the base frame 1. Another bracket is mounted on the base frame 1. The negative pressure hood 91 is connected to the other bracket via the electric telescopic rod, allowing precise adjustment of the vertical position of the negative pressure hood 91. A brush motor 93 is mounted on the negative pressure hood 91. The output end of the brush motor 93 passes through the negative pressure hood 91 and connects to the brush roller 9. With the continuous operation of the brush roller 9, the floating cotton attached to the surface of the rock wool fiberboard is efficiently swept up and suspended. Simultaneously, the negative pressure tube 92, which is mounted on the negative pressure hood 91, is activated synchronously. With its powerful suction, it quickly draws the raised floating cotton away from the production area, effectively preventing the floating cotton from polluting the workshop environment and the residual floating cotton from affecting the surface flatness and quality of the rock wool fiberboard.

[0050] A production process of rock wool fiberboard, the process flow is as follows:

[0051] S1: Evenly feed the block or compressed rock wool fiber raw materials into the feeding port of the de-wool machine, and use mechanical force to tear and hit the raw materials to decompose them into loose fiber bundles, thereby breaking the physical entanglement between the fibers and forming loose fiber clusters. It can also preliminarily disperse impurities (such as unmelted slag particles) and improve the purity of the fiber;

[0052] S2: The unraveled fibers are further combed into a uniform fiber web through a carding machine to remove residual impurities, adjust the fiber direction, and improve the longitudinal strength of the rock wool fiberboard;

[0053] S3: The carded fiber web is broken up and broken into single fibers, which are then fed into a cyclone through a pipe. The adhesive is sprayed from a nozzle by a high-pressure pump to form droplets, which fully contact the high-speed rotating fibers in the cyclone and are transported out at the same time. The turbulent airflow in the cyclone maximizes the probability of collision between the fibers and the adhesive droplets, ensuring that the adhesive evenly coats the fiber surface.

[0054] S4: The rock wool fibers mixed with the binder enter the paving bin 2 through the corrugated pipe 10. Specifically, the rock wool fibers enter the bin through the movable block 23 at the feed port 21 at the top of the paving bin 2.

[0055] S5: The movable block 23 drives the bellows 10 to move back and forth, so that the rock wool fibers are laid on the vibrating transport mechanism 8. The vibration of the vibrating transport mechanism 8 ensures that the rock wool fibers are evenly distributed. The specific process is that the servo motor 24 drives the screw rod 232 to rotate forward and reverse, and the movable block 23 threadedly connected to the screw rod 232 slides back and forth smoothly under the guidance of the slide rod 233, and the rock wool fibers are evenly laid on the belt 83 through reciprocating motion. When the movable block 23 moves, the gear 43 installed on it engages with the rack 44 of the feed port 21, driving the rotating ring 42 to rotate. The scraping rod 45 on the inside of the rotating ring 42 fits tightly against the inner wall of the connecting pipe 41, effectively scraping off the attached fibers during the rotation process, avoiding blockage of the connecting pipe 41 due to fiber accumulation, and ensuring that the feed channel always remains unobstructed. During the feeding process, the vibrating transport mechanism 8 starts to operate. The wings on both sides of the mounting cover 81 are flexibly connected to the base frame 1 via spring 2 85. When the vibration motor 86 is activated, the mounting cover 81 generates high-frequency vibrations under the cushioning effect of the springs, which evenly distributes the rock wool fibers during transportation and effectively eliminates the problem of localized density unevenness. At the same time, the servo motor 3 84 outputs power, which runs through the mounting cover 81 and drives one of the transport rollers 82 to rotate. Multiple transport rollers 82 are linked by belt 83, smoothly transporting the rock wool fibers to the conveyor belt assembly 11 located on one side of the vibrating transport mechanism 8, laying the foundation for subsequent processing.

[0056] S6: The evenly distributed rock wool fibers are transported to the conveyor belt assembly 11, where they are pressurized and shaped by the gradually descending pre-pressing roller 5. Simultaneously, the needles 61 on the pre-pressing roller 5 puncture the rock wool fibers during the pressurization and shaping process. Specifically, the bevel gear 52 at the output end of servo motor 2 53 engages with the bevel gear 52 on the hollow shaft 54. When servo motor 2 53 operates, power is transmitted via the bevel gear 52 to the hollow shaft 54, which in turn drives the pre-pressing roller 5 mounted on the hollow shaft 54 ​​to rotate. Multiple pre-pressing rollers 5 arranged in descending heights provide progressive initial compaction of the rock wool fibers. The needling mechanism 6 on the pre-pressing roller 5 works in conjunction with the cam 7. The needles 61 are arranged in a circular array and slide on the pre-pressing roller 5. The roller 62 at one end of the needles 61 is in close contact with the surface of the cam 7 fixed to the crossbar 71 of the pre-pressing cover 3. A spring 63 between the needles 61 and the inner wall of the pre-pressing roller 5 provides a reset force. During the rotation of the pre-pressing roller 5, the roller 62 rolls along the profile of the cam 7. When passing the raised portion of the cam 7, the needle 61 overcomes the elastic force of the spring 63 and extends out of the surface of the pre-pressing roller 5 to pierce the rock wool fiber. After the roller 62 leaves the raised portion, the spring 63 pulls the needle 61 back. This periodic action not only completes the needling process of the rock wool fiber and enhances the structural strength and stability of the rock wool fiberboard, but also ensures that the pre-pressing rollers 5 can be close together, so that the rock wool fiberboard can be continuously stressed and ensure that the rock wool fibers are fully squeezed at every point during the initial compaction process, reducing the problem of insufficient local compaction due to excessive spacing, thereby improving the overall density uniformity of the rock wool fiberboard and effectively preventing the fibers from being entangled on the needles 61, ensuring the continuity and efficiency of production.

[0057] S7: The rock wool fiberboard that has completed needle punching enters the negative pressure cover 91, and the floating cotton on its surface is cleaned by the brush roller 9. The specific process is that the conveyor belt group 11 delivers the rock wool fiber to the pre-pressing cover 3 for key pre-pressing and needle punching treatment. After the pre-pressing step is completed, the conveyor belt group 11 transports the rock wool fiberboard to the bottom of the brush roller 9, and the brush roller 9 is driven to rotate by the driving part on the negative pressure cover 91. Under the continuous operation of the brush roller 9, the floating cotton attached to the surface of the rock wool fiberboard is efficiently swept up to form a suspended state. At the same time, the negative pressure pipe 92 provided on the negative pressure cover 91 is started synchronously, and with its strong suction force, the raised floating cotton is quickly drawn out of the production area, effectively avoiding the pollution of the workshop environment caused by the floating cotton, and the problem of the surface flatness and quality of the rock wool fiberboard affected by the residual floating cotton;

[0058] S8: hot pressing and curing the pre-pressed and cleaned rock wool fiberboard to obtain a high-density rock wool fiberboard;

[0059] S9: Cutting the rock wool fibers of the high-density rock wool fiberboard obtained after hot pressing and curing.

[0060] The above-described embodiments merely illustrate several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, and all such variations and improvements fall within the scope of protection of the present invention.

Claims

1. A production device for rock wool fiberboard, comprising a base frame (1), wherein a conveyor belt group (11) is provided on the base frame (1), characterized in that: A material paving bin (2) is provided on the base frame (1), a vibration transport mechanism (8) is provided below the material paving bin (2), and a pre-pressing cover (3) is provided on the base frame (1); Also included are: Pre-pressing rollers (5), there are a plurality of pre-pressing rollers (5), the pre-pressing rollers (5) are rotatably arranged on the pre-pressing cover (3), and the plurality of pre-pressing rollers (5) are connected to each other in a decreasing form in height; A cam (7), wherein the cam (7) is fixedly arranged on the pre-pressing cover (3), and the pre-pressing roller (5) is sleeved on the cam (7); A needling mechanism (6), wherein the needling mechanism (6) is arranged on the pre-pressing roller (5), and the needling mechanism (6) cooperates with the cam (7), and when the needling mechanism (6) contacts the rock wool fibers, the rock wool fibers are needled; The material paving bin (2) is provided with a feed port (21), a movable block (23) is slidably provided in the feed port (21), an open accordion cover (22) is provided between the two sides of the movable block (23) and the inner wall of the feed port (21), a screw rod (232) is rotatably provided on the feed port (21), a slide rod (233) is fixedly provided on one side of the screw rod (232), the movable block (23) is threadedly connected to the screw rod (232), the movable block (23) is slidably provided on the slide rod (233), a servo motor (24) is provided on the feed port (21), an output end of the servo motor (24) is fixedly connected to the screw rod (232), a baffle (231) is provided on the movable block (23), the lower end of the open accordion cover (22) is connected to the baffle (231), and a cleaning mechanism (4) is provided on the movable block (23); The cleaning mechanism (4) includes a connecting tube (41), the connecting tube (41) is provided on the movable block (23), a rotating ring (42) is rotatably provided on the shielding plate (231), a tooth protrusion (421) is provided on the surface of the rotating ring (42), a gear (43) is rotatably provided on the movable block (23), the rotating ring (42) is connected to the gear (43) through the tooth protrusion (421), a rack (44) is provided on the feed port (21), the rack (44) is engaged with the gear (43), the rack (44) is provided in the open accordion cover (22), a scratching rod (45) is fixedly provided on the inner side of the rotating ring (42), and the scratching rod (45) is in contact with the inner wall of the connecting tube (41).

2. The production equipment of rock wool fiberboard according to claim 1, characterized in that: Hollow shafts (54) are provided at both ends of the pre-pressing roller (5), and the pre-pressing roller (5) is rotatably provided on the pre-pressing cover (3) through the hollow shafts (54). Synchronous wheels are provided on each of the hollow shafts (54), and a synchronous belt (51) is connected between adjacent hollow shafts (54) through the synchronous wheels. A servo motor (53) is provided on the pre-pressing cover (3), and a bevel gear (52) is provided on the output end of the servo motor (53) and one of the hollow shafts (54), and the two bevel gears (52) are engaged with each other.

3. The production equipment of rock wool fiberboard according to claim 2, characterized in that: A cross bar (71) is fixedly provided on the pre-compression cover (3), the hollow shaft (54) is sleeved on the cross bar (71), and the cam (7) is fixedly provided on the cross bar (71).

4. The production equipment of rock wool fiberboard according to claim 1, characterized in that: The acupuncture mechanism (6) includes a plurality of needles (61). A sliding sleeve (64) is provided on the inner wall of the pre-pressing roller (5). The needles (61) are arranged in a ring array and are slidably arranged on the pre-pressing roller (5) through the sliding sleeve (64). A spring (63) is provided between the needles (61) and the sliding sleeve (64). The spring (63) is sleeved on the needles (61). A roller (62) is provided at one end of the needles (61). The roller (62) is rollingly arranged on the surface of the cam (7).

5. The production equipment of rock wool fiberboard according to claim 1, characterized in that: The vibrating transport mechanism (8) includes a mounting cover (81), wing plates are provided on both sides of the mounting cover (81), a second spring (85) is provided between the wing plates and the base frame (1), a plurality of transport rollers (82) are rotatably provided on the mounting cover (81), a belt (83) is sleeved on the transport rollers (82), a servo motor (84) is fixed on the mounting cover (81), an output end of the servo motor (84) passes through the mounting cover (81) and is fixedly connected to one of the transport rollers (82), and a vibration motor (86) is fixedly provided on the mounting cover (81).

6. The production equipment of rock wool fiberboard according to claim 1, characterized in that: A bracket is provided on the base frame (1), a bellows (10) is connected to the bracket, and the bellows (10) is fixedly connected to the connecting pipe (41).

7. The production equipment of rock wool fiberboard according to claim 6, characterized in that: A negative pressure cover (91) is provided on the base frame (1), a brush roller (9) is rotatably provided on the negative pressure cover (91), a brush motor (93) is provided on the negative pressure cover (91), an output end of the brush motor (93) passes through the negative pressure cover (91) and is connected to the brush roller (9), and a negative pressure pipe (92) is provided on the negative pressure cover (91).

8. A production process for rock wool fiberboard, based on the production equipment for rock wool fiberboard according to claim 7, wherein the process flow is as follows: S1: Evenly feed the block or compressed rock wool fiber raw materials into the feeding port of the de-wool machine, and use mechanical force to tear and hit the raw materials to decompose them into loose fiber bundles; S2: The unraveled fibers are further combed into a uniform fiber web through a carding machine to remove residual impurities and adjust the fiber direction; S3: The carded fiber web is broken up and broken into single fibers, which are then fed into a cyclone through a pipe. The binder is sprayed from a nozzle by a high-pressure pump to form droplets, which fully contact the high-speed rotating fibers in the cyclone and are transported out at the same time; S4: The rock wool fibers mixed with the binder enter the paving bin (2) through the bellows (10); S5: The bellows (10) is driven to move back and forth by the movable block (23), so that the rock wool fibers are spread on the vibrating transport mechanism (8), and the vibration of the vibrating transport mechanism (8) ensures that the rock wool fibers are evenly distributed; S6: The evenly distributed rock wool fibers are transported to the conveyor belt group (11), and the rock wool fibers are pressurized and shaped by the gradually lowered pre-pressing roller (5), and at the same time, the needles (61) on the pre-pressing roller (5) puncture the rock wool fibers during the pressurization and shaping process; S7: The needle-punched rock wool fiberboard enters the negative pressure cover (91), and the floating cotton on its surface is cleaned by the brush roller (9); S8: hot pressing and curing the pre-pressed and cleaned rock wool fiberboard; S9: Cutting the hot-pressed and solidified rock wool fiberboard.

Images