Cryogenic cold insulation glass fiber elastic felt preparation equipment and method

Abstract

The invention belongs to the technical field of preparation of glass fiber products, particularly relates to equipment and a method for preparing a cryogenic cold insulation glass fiber elastic felt, and provides the following scheme aiming at the problem that a powder scattering machine on an elastic felt preparation production line lacks a mixing agent feeding control measure for controlling the production quantity of the production line on that day. Comprising an opener, a large cotton mixing bin, a scattering device, a powder scattering machine, a first drying room, an aluminum film covering machine and a second drying room which are connected in sequence. According to the equipment and the method for preparing the cryogenic cold insulation glass fiber elastic felt, disclosed by the invention, the dosage of a mixture in the screen hopper can be quantitatively controlled by the device according to the daily output of the glass fiber elastic felt on a production line, so that the amount of the mixture and the stock in the screen hopper are matched with the daily output of the production line; therefore, after the yield on the production line reaches the standard and production is stopped, the mixture in the screen hopper is just completely consumed, and the situation that the preparation effect of the elastic felt is affected due to hardening caused by long-time placement of the mixture in the screen hopper is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of glass fiber product preparation, and in particular to equipment and a method for preparing deep-cold cold-insulating glass fiber elastic felt. Background Art

[0002] Glass fiber is an inorganic non-metallic material with excellent performance. It is made of six kinds of minerals, including pyrophyllite, quartz sand, limestone, dolomite, colemanite and magnesia borax, through high-temperature melting, wire drawing, winding, weaving and other processes. At present, the glass fiber insulation material produced by non-woven equipment on the market has production line equipment: the glass fiber enters the opener to tear the glass fiber balls into fluffy glass fibers; it enters the cotton feeding machine to ensure that there is enough fiber to enter the carding machine; the carding machine opens and arranges the fibers into a uniform wool net; the web laying machine stacks multiple layers of wool nets to the required thickness; and then it is processed into the required glass fiber insulation material through post-processing.

[0003] A powder sprinkler is a device used to evenly spread powder on a specific object. Its basic principle is to use a specific mechanical structure or device to make the powder dispersed in a predetermined manner and fall on the target object.

[0004] After searching, the Chinese patent application number 202323015232.8 discloses a production equipment of glass fiber insulation board for refrigerated gas storage tanks. The powder spreading machine in the above patent has the following shortcomings: the existing powder spreading machine is often unable to adapt the amount of the mixture used for mixing with the glass fiber to the production line according to the production capacity of the production line, resulting in a considerable amount of mixture still remaining in the powder spreading machine after the production line is shut down, causing the mixture to harden in the powder spreading machine, thereby affecting the subsequent product quality of the glass fiber elastic felt. Summary of the invention

[0005] The invention discloses a deep-cold and cold-insulated glass fiber elastic felt preparation device and method, aiming to solve the technical problem in the background technology that a powder spreading machine on an existing glass fiber elastic felt preparation production line lacks a control measure for mixing agent delivery that is compatible with the daily production volume of the production line.

[0006] The deep cold insulation glass fiber elastic felt preparation equipment proposed in the present invention comprises a loosening machine, a large cotton mixing bin, a breaking device, a powder spreading machine, a first drying room, an aluminum film covering machine and a second drying room connected in sequence, the breaking device comprises a first air-laying machine and a second air-laying machine connected in sequence; the large cotton mixing bin is connected to the first air-laying machine and the second air-laying machine through a cotton feeding device; a block cutter and a roll forming machine are connected in sequence behind the second drying room.

[0007] The powder spreading machine includes a mounting frame, a rectangular opening is provided on the upper side of the mounting frame, a containing box is fixedly connected in the rectangular opening, a feeding hopper is provided on the upper side of the containing box, and a quantitative delivery module is provided on the containing box, the quantitative delivery module includes a supporting frame, the outside of the supporting frame is fixedly connected to the inner wall of the containing box, a containing cylinder is slidably connected to the inner wall of the supporting frame, an entry opening is provided on the supporting frame and the containing cylinder, two symmetrical narrow grooves are provided on the inner wall of the entry opening, the same weighing cylinder is slidably connected in the two narrow grooves, a feeding trough is provided on the weighing cylinder, a lowering opening is provided on the bottom of the supporting frame, and a sieve bucket is provided on the mounting frame, a pendulum spreading module is provided on the outside of the sieve bucket, a conveyor belt is provided on the mounting frame, a fixed frame is provided on the outside of the conveyor belt, and a collecting bucket is provided on the fixed frame, and the collecting bucket is located below the sieve bucket.

[0008] By providing a mounting frame, a conveyor belt, a collecting bucket, a fixing frame, a rotating roller, a motor, a quantitative delivery module, a pendulum spreading module, a screening bucket, a containing box and a feeding hopper, the device utilizes the quantitative delivery module to enable the device to quantitatively control the amount of the mixture in the screening bucket according to the daily output of the glass fiber elastic felt on the production line, so that the mixture and the stock in the screening bucket match the daily output of the production line, so that after the production line reaches the output standard and stops production, the mixture in the screening bucket is just consumed, thereby preventing the mixture from being left in the screening bucket for a long time, resulting in hardening and thus affecting the preparation of the elastic felt.

[0009] In a preferred embodiment, the outside of the feed hopper is provided with an outer gear ring, the bottom of the outer gear ring is movably connected to the upper side of the receiving box, the inner wall of the feed hopper is movably connected to a fixing ring, the outside of the fixing ring is fixedly connected with three stirring rods equidistantly distributed around the circumference, the outside of the stirring rods are all in contact with the inner wall of the feed hopper, and the ends of the stirring rods close to the outer gear ring are fixedly connected to the upper side of the outer gear ring, the upper side of the receiving box is fixedly connected with motor 2, the output end of motor 2 is connected to gear 1 through a coupling, and gear 1 is meshed with the outer gear ring; an insertion hole is provided on the outside of the receiving box, a sleeve is fixedly connected in the insertion hole, a connecting bolt is slidably connected in the sleeve, the connecting bolt is fixedly connected to the side opposite to the receiving tube, gear 2 is movably connected to the outside of the sleeve, motor 3 is fixedly connected to the side of the receiving box close to gear 2, the output end of motor 3 is connected to a half-toothed gear through a coupling, the half-toothed gear is meshed with gear 2, and a fixing seat is movably connected to the outside of the sleeve, and the fixing seat is fixedly connected to the side opposite to gear 2; the fixing seat is away from gear 2 One side of the connecting bolt is provided with three circumferentially equidistantly distributed grooves, and locking rods are slidably connected in the grooves. The three locking rods are fixedly connected to the short shafts on the sides away from the fixing seat, and an annular groove is provided on the outside of the connecting bolt. The inner wall of the annular groove is provided with three circumferentially equidistantly distributed clamping grooves, and the outsides of the three locking rods are respectively clamped with the inner walls of the three clamping grooves; the fixed seat is movably connected with a rotating frame on the side away from the gear 2, and three circumferentially equidistantly distributed curved grooves are provided on the rotating frame. The inner walls of the three curved grooves are respectively clamped with the three short shafts. The shaft is slidably connected outside, and the inner wall of the rotating frame is fixedly connected with a coil spring, and the end of the coil spring away from the rotating frame is fixedly connected to the outside of the fixing seat, and the side of the accommodating tube away from the insertion hole is connected to an annular frame through a hinge, and the outside of the annular frame is fixedly connected with a protrusion, and the outside of the protrusion is clamped with a positioning block, and the outside of the positioning block is slidably connected with a U-shaped frame, the U-shaped frame is fixedly connected to the side opposite to the accommodating tube, and the side of the positioning block away from the protrusion is fixedly connected with a spring, and the side of the spring away from the positioning block is fixedly connected to the inner wall of the U-shaped frame.

[0010] By providing a quantitative dosing module, the quantitative dosing module utilizes a containing cylinder and a weighing cylinder so that the device can adaptively select and replace the capacity of the feed slot on the symmetrical measuring cylinder according to the production rate of the upper glass fiber elastic felt, thereby completing the matching of the mixture dosage and output, reducing excessive mixture dosage and reducing costs.

[0011] In a preferred embodiment, the pendulum spreading module includes a retention bucket, which is fixedly connected to the top inner wall of the mounting frame on the upper side of the retention bucket, and the retention bucket is located below the containing box. The outside of the retention bucket is movably connected to two symmetrical connecting rods, and the ends of the two connecting rods away from the retention bucket are movably connected to movable shafts, and the sides of the two movable shafts close to the screening bucket are fixedly connected to the outside of the screening bucket; the outside of the screening bucket is fixedly connected to two symmetrical motors four, and the output ends of the two motors four are connected to cams through couplings, and the fixed frame is movably connected to two symmetrical rotating rollers, the outsides of the two rotating rollers are in contact with the inner wall of the conveyor belt, and the outside of the fixed frame is fixedly connected to Motor one, the output end of motor one is connected to one side of one of the rotating rollers through a coupling; the inner walls of both sides of the mounting frame close to the conveyor belt are fixedly connected with arc-shaped parts, and the arc-shaped parts are provided with arc surface grooves, and the inner walls of the two arc surface grooves are respectively slidably connected to the outside of the movable shaft on the same side, and the side of the movable shaft away from the screen bucket is movably connected with gear three; the side of the connecting rod away from the screen bucket is fixedly connected with a connecting frame, and the outside of the vertical frame is fixedly connected with motor five, the output end of motor five is connected to the side of gear three away from the movable shaft through a coupling, and the side of the arc-shaped part away from the screen bucket is fixedly connected with a rack, and the racks are meshed with gear three on the same side.

[0012] By providing a pendulum spreading module, which utilizes the meshing of gear three and the rack, the movable shaft can drive the screen bucket to perform a pendulum motion on the arc-shaped part. The vibration generated by the cam can enable the mixture in the screen bucket to perform double-layer spreading on the glass fiber on the conveyor belt when the screen bucket moves from one end of the arc groove to the other end, thereby ensuring the mixing effect of the glass fiber and the mixture.

[0013] A method for preparing a cryogenic cold-insulating glass fiber elastic felt, using the cryogenic cold-insulating glass fiber elastic felt preparation device as described above, comprises the following steps: Step 1: Before the glass fiber elastic felt is prepared on the production line, a sufficient amount of the mixture is conveyed into the holding box through the feed hopper. When the production line starts to produce the glass fiber elastic felt, the conveyor belt conveys the glass fiber to the bottom of the holding box, and then the quantitative delivery module is used to convey the mixture in the holding box to the screen bucket through the weighing cylinder; Step 2: After the mixture is filled into the sieve bucket, a pendulum spreading module is used to make the sieve bucket perform a reciprocating pendulum motion during vibration, thereby sprinkling the mixture in the sieve bucket onto the glass fiber on the conveyor belt to mix the mixture with the glass fiber.

[0014] From the above, it can be seen that the deep-cold and cold-insulating glass fiber elastic felt preparation equipment provided by the present invention has the function of enabling the device to quantitatively control the amount of the mixture in the sieve bucket according to the daily output of the glass fiber elastic felt on the production line, so that the mixture and the stock in the sieve bucket match the daily output of the production line, so that after the production line reaches the output standard and stops production, the mixture in the sieve bucket is just consumed, thereby avoiding the mixture from being left in the sieve bucket for a long time, causing it to harden and thus affect the preparation of the elastic felt. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the operation process structure of the deep cold insulation glass fiber elastic felt preparation equipment proposed by the present invention; Figure 2 This is a schematic diagram of the overall structure of the deep cold insulation glass fiber elastic felt preparation equipment proposed by the present invention; Figure 3 This is a schematic cross-sectional view of the structure of the equipment for preparing the deep cold insulation glass fiber elastic felt proposed by the present invention; Figure 4 This is a schematic diagram of the structure of the quantitative delivery module of the deep cold insulation glass fiber elastic felt preparation equipment proposed by the present invention; Figure 5 This is a schematic diagram of the structure of the containing cylinder of the deep cold insulation glass fiber elastic felt preparation equipment proposed by the present invention; Figure 6 This is a schematic diagram of the fixing seat structure of the deep cold insulation glass fiber elastic felt preparation equipment proposed by the present invention; Figure 7 This is a schematic diagram of the U-shaped frame structure of the deep cold insulation glass fiber elastic felt preparation equipment proposed by the present invention; Figure 8 This is a schematic structural diagram of a pendulum spreading module of a deep cold insulation glass fiber elastic felt preparation device proposed in the present invention; Fig. 9 This is a schematic diagram of the arc-shaped component structure of the deep-cold cold-insulating glass fiber elastic felt preparation equipment proposed by the present invention.

[0016] In the figure: 1, mounting frame; 2, conveyor belt; 3, collecting bucket; 4, fixing frame; 5, rotating roller; 6, motor 1; 7, quantitative delivery module; 701, outer gear ring; 702, fixing ring; 703, stirring rod; 704, motor 2; 705, gear 1; 706, supporting frame; 707, lower opening; 708, accommodating cylinder; 709, entrance; 710, narrow groove; 711, weighing cylinder; 712, feeding trough; 713, insertion hole; 714, connecting bolt; 715, annular groove; 716, card slot; 717, sleeve; 718, gear 2; 719, motor 3; 720, half-toothed gear; 721, fixing seat; 722, cutting groove; 723, locking rod; 724, short shaft; 725 , rotating frame; 726, curved groove; 727, coil spring; 728, ring frame; 729, convex block; 730, U-shaped frame; 731, positioning block; 732, spring; 8, pendulum spreading module; 801, stay bucket; 802, connecting rod; 803, motor four; 804, cam; 805, arc-shaped part; 806, arc groove; 807, movable shaft; 808, gear three; 809, rack; 810, motor five; 9, sieve bucket; 10, containing box; 11, feeding hopper; 12, loosening machine; 13, large cotton mixing bin; 14, airflow netting machine one; 15, airflow netting machine two; 16, powder spreading machine; 17, drying room one; 18, aluminum foil; 19, drying room two; 20, block cutting machine; 21, rolling machine. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] The deep-cold and cold-insulated glass fiber elastic felt preparation equipment disclosed in the present invention is mainly used in the scenario where the powder spreading machine on the existing glass fiber elastic felt preparation production line lacks a control measure for the mixing agent delivery that is compatible with the daily production volume of the production line.

[0019] Reference Figure 1-9 , deep cold insulation glass fiber elastic felt preparation equipment, including a loosening machine 12, a cotton mixing warehouse 13, a scattering device, a powder spreading machine 16, a first drying room 17, an aluminum film covering machine 18 and a second drying room 19 connected in sequence, the scattering device includes an air-laying machine 14 and an air-laying machine 15 connected in sequence; the cotton mixing warehouse 13 is connected to the air-laying machine 14 and the air-laying machine 15 through a cotton feeding device; the second drying room 19 is connected in sequence with a block cutter 20 and a roll forming machine 21.

[0020] The powder spreading machine 16 includes a mounting frame 1, a rectangular opening is provided on the upper side of the mounting frame 1, a receiving box 10 is connected to the rectangular opening by bolts, a feed hopper 11 is provided on the upper side of the receiving box 10, and a quantitative delivery module 7 is provided on the receiving box 10, and the quantitative delivery module 7 includes a supporting frame 706, the outer side of the supporting frame 706 is connected to the inner wall of the receiving box 10 by bolts, and a receiving tube 708 is slidably connected to the inner wall of the supporting frame 706, and an inlet 709 is provided on both the supporting frame 706 and the receiving tube 708, and the inlet The inner wall of the entrance 709 is provided with two symmetrical narrow grooves 710, and the same weighing cylinder 711 is slidably connected in the two narrow grooves 710, and the weighing cylinder 711 is provided with a feed groove 712, and a lower opening 707 is provided at the bottom of the supporting frame 706, and a sieve bucket 9 is provided on the mounting frame 1, and a pendulum spreading module 8 is provided outside the sieve bucket 9, a conveyor belt 2 is provided on the mounting frame 1, and a fixed frame 4 is provided outside the conveyor belt 2, and a collecting bucket 3 is provided on the fixed frame 4, and the collecting bucket 3 is located below the sieve bucket 9.

[0021] Specifically, before the glass fiber elastic felt is prepared on the production line, a sufficient amount of the mixture is conveyed into the holding box 10 through the feed hopper 11. When the production line starts to produce the glass fiber elastic felt, after the conveyor belt 2 conveys the glass fiber to the bottom of the holding box 10, the quantitative delivery module 7 is used to convey the mixture in the holding box 10 to the screen bucket 9 through the weighing cylinder 711. After the screen bucket 9 is filled with the mixture, the pendulum spreading module 8 is used to make the screen bucket 9 perform a reciprocating pendulum motion during vibration, thereby sprinkling the mixture in the screen bucket 9 on the glass fiber on the conveyor belt 2 to mix the mixture with the glass fiber; the device uses the quantitative delivery module 7 to enable the device to quantitatively control the amount of the mixture in the screen bucket 9 according to the daily output of the glass fiber elastic felt on the production line, so that the mixture and the stock in the screen bucket 9 match the daily output of the production line, so that after the production on the production line reaches the standard and production is stopped, the mixture in the screen bucket 9 is just consumed, thereby avoiding the mixture from being shelved in the screen bucket 9 for a long time, resulting in hardening and thus affecting the preparation of the elastic felt.

[0022] Reference Figure 4 , Figure 5 , Figure 6 and Figure 7In a preferred embodiment, an outer gear ring 701 is provided on the outside of the feed hopper 11, and the bottom of the outer gear ring 701 is rotatably connected to the upper side of the receiving box 10 through a bearing, and a fixed ring 702 is rotatably connected to the inner wall of the feed hopper 11 through a bearing, and three stirring rods 703 equidistantly distributed on the circumference are connected to the outside of the fixed ring 702 through bolts, and the outsides of the stirring rods 703 are all in contact with the inner wall of the feed hopper 11, and the ends of the stirring rods 703 close to the outer gear ring 701 are all connected to the upper side of the outer gear ring 701 through bolts, and a motor 2 704 is connected to the upper side of the receiving box 10 through bolts, and the output end of the motor 2 704 is connected to a gear 1 705 through a coupling, and the gear 1 705 is meshed with the outer gear ring 701; An insertion hole 713 is provided on the outside of the housing 10, and a sleeve 717 is connected to the insertion hole 713 by bolts. A connecting bolt 714 is slidably connected to the sleeve 717. The connecting bolt 714 is connected to the side opposite to the housing tube 708 by bolts. The outside of the sleeve 717 is rotatably connected to the second gear 718 through a bearing. The side of the housing 10 close to the second gear 718 is connected to the third motor 719 by bolts. The output end of the third motor 719 is connected to the half-toothed gear 720 through a coupling. The half-toothed gear 720 is meshed with the second gear 718, and the outside of the sleeve 717 is rotatably connected to the fixed seat 721 through a bearing. The fixed seat 721 is connected to the side opposite to the second gear 718 by bolts; the fixed seat 721 is away from the gear One side of the second gear 718 is provided with three circumferentially equidistantly distributed grooves 722, and locking rods 723 are slidably connected in the grooves 722. The three locking rods 723 are connected to short shafts 724 by bolts on the side away from the fixed seat 721, and an annular groove 715 is provided on the outside of the connecting bolt 714. The inner wall of the annular groove 715 is provided with three circumferentially equidistantly distributed clamping grooves 716, and the outsides of the three locking rods 723 are respectively clamped with the inner walls of the three clamping grooves 716; the fixed seat 721 is rotatably connected to a rotating frame 725 through a bearing on the side away from the second gear 718. The rotating frame 725 is provided with three circumferentially equidistantly distributed curved grooves 726, and the inner walls of the three curved grooves 726 are respectively slidably connected to the outsides of the three short shafts 724 Then, the inner wall of the rotating frame 725 is connected with a coil spring 727 by bolts, and the end of the coil spring 727 away from the rotating frame 725 is connected to the outside of the fixing seat 721 by bolts, and the side of the accommodating tube 708 away from the insertion hole 713 is connected with an annular frame 728 by a hinge, the outside of the annular frame 728 is connected with a protrusion 729 by bolts, the outside of the protrusion 729 is clamped with a positioning block 731, the outside of the positioning block 731 is slidably connected with a U-shaped frame 730, the U-shaped frame 730 is connected with the side opposite to the accommodating tube 708 by bolts, the side of the positioning block 731 away from the protrusion 729 is connected with a spring 732 by bolts, and the side of the spring 732 away from the positioning block 731 is connected to the inner wall of the U-shaped frame 730 by bolts.

[0023] Specifically, when the mixture is introduced into the receiving box 10 through the feed hopper 11, the motor 2 704 is started, and the motor 2 704 drives the outer gear ring 701 meshing with the gear 1 705 to rotate, so that the stirring rod 703 on the outer gear ring 701 rotates and removes the mixture adhering to the inner wall of the feed hopper 11. Before the conveyor belt 2 transports the glass fiber to the bottom of the receiving box 10, a weighing cylinder 711 of appropriate capacity is selected according to the flow rate of the glass fiber on the production line, and the weighing cylinder 711 is inserted into the receiving cylinder 708. The annular frame 728 is closed, and the positioning block 731 is locked by the elastic force of the spring 732 to reduce the protrusion 729, thereby fixing the weighing cylinder 711 in the receiving cylinder 708, and the connecting bolt 714 connected to the receiving cylinder 708 is inserted into the sleeve 717 in the insertion hole 713, and the rotating frame 725 is rotated to overcome the torsion of the coil spring 727 to rotate, so that the curved surface The groove 726 pushes the locking rod 723 connected to the short shaft 724 to slide outward on the cutting groove 722, so that the connecting bolt 714 is completely inserted into the sleeve 717, and the rotating frame 725 is released. Under the torsion of the coil spring 727, the locking rod 723 is quickly reset, so that the locking rod 723 is inserted into the card slot 716 to complete the locking of the connecting bolt 714, so that the accommodating cylinder 708 equipped with the weighing cylinder 711 is installed in the supporting frame 706. After the installation is completed, ensure that the entrance port 709 and the feed trough 712 are in an upward posture. When the production line starts production, start the motor three 719, and the motor three 719 drives the half-tooth gear 720 to rotate, so that the fixed seat 721 connected to the gear two 718 drives the accommodating cylinder 708 connected to the connecting bolt 714 to rotate one hundred and eighty degrees, so that the mixture flowing into the feed trough 712 in the accommodating box 10 can enter the sieve bucket 9 through the lower discharge port 707.

[0024] In a specific application scenario, the quantitative dosing module 7 is mainly suitable for the quantitative dosing link in the quantitative dosing process, that is, the quantitative dosing module 7 uses the containing cylinder 708 and the weighing cylinder 711 to enable the device to adaptively select and replace the capacity of the feed trough 712 on the symmetrical measuring cylinder 711 according to the production rate of the upper glass fiber elastic felt, thereby completing the matching of the mixture dosage and output, reducing excessive dosage of the mixture, and reducing costs.

[0025] Reference Figure 8 and Fig. 9In a preferred embodiment, the pendulum spreading module 8 includes a retention bucket 801, and the top inner wall of the mounting frame 1 on the upper side of the retention bucket 801 is connected by bolts. The retention bucket 801 is located below the containing box 10. The outside of the retention bucket 801 is rotatably connected to two symmetrical connecting rods 802 through bearings, and the ends of the two connecting rods 802 away from the retention bucket 801 are rotatably connected to movable shafts 807 through bearings, and the sides of the two movable shafts 807 close to the screen bucket 9 are connected to the outside of the screen bucket 9 by bolts; the outside of the screen bucket 9 is connected to two symmetrical motors 9 803 through bolts, and the output ends of the two motors 9 803 are connected to cams 804 through couplings, and the fixed frame 4 is rotatably connected to two symmetrical rotating rollers 5 through bearings, and the outsides of the two rotating rollers 5 are both in contact with the inner wall of the conveyor belt 2, and the outside of the fixed frame 4 is connected by bolts. It is connected to a motor 6, and the output end of the motor 6 is connected to one side of one of the rotating rollers 5 through a coupling; the inner walls of the mounting frame 1 on both sides close to the conveyor belt 2 are connected with arc-shaped parts 805 through bolts, and the arc-shaped parts 805 are provided with arc-shaped grooves 806, and the inner walls of the two arc-shaped grooves 806 are respectively slidably connected to the outside of the movable shaft 807 on the same side, and the side of the movable shaft 807 away from the screen bucket 9 is rotatably connected to the gear three 808 through a bearing; the side of the connecting rod 802 away from the screen bucket 9 is connected to the connecting frame through bolts, and the outside of the vertical frame is connected to the motor five 810 through bolts, and the output end of the motor five 810 is connected to the side of the gear three 808 away from the movable shaft 807 through a coupling, and the side of the arc-shaped part 805 away from the screen bucket 9 is connected to the rack 809 through bolts, and the rack 809 is meshed with the gear three 808 on the same side.

[0026] Specifically, after the conveyor belt 2 conveys the glass fiber to the bottom of the screen bucket 9, the motor five 810 is started, and the motor five 810 drives the gear three 808 meshing with the rack 809 to rotate, so that the gear three 808 drives the movable shaft 807 to reciprocate on the arc groove 806. Since the movable shaft 807 is connected to the screen bucket 9, the screen bucket 9 can perform regular pendulum motion on the retention bucket 801 with the connecting rod 802 as the radius. The motor four 803 is started, and the motor four 803 drives the cam 804 to rotate, so that the cam 804 applies vertical vibration to the conveyor belt 2, so that the mixture flowing into the screen bucket 9 from the retention bucket 801 can be spread by the screen bucket 9 on the glass fiber on the conveyor belt 2, so that the mixture is mixed with the glass fiber.

[0027] In a specific application scenario, the pendulum spreading module 8 is mainly suitable for the pendulum spreading link in the pendulum spreading process, that is, the pendulum spreading module 8 utilizes the meshing of gear three 808 and rack 809 to enable the movable shaft 807 to drive the screen bucket 9 to perform a pendulum motion on the arc-shaped member 805. Through the vibration generated by the cam 804, the mixture in the screen bucket 9 can be double-layered on the glass fiber on the conveyor belt 2 when the screen bucket 9 moves from one end of the arc groove 806 to the other end, thereby ensuring the mixing effect of the glass fiber and the mixture.

[0028] A method for preparing a cryogenic cold-insulating glass fiber elastic felt, using the cryogenic cold-insulating glass fiber elastic felt preparation device as described above, comprises the following steps: Step 1: Before the production line starts to prepare the glass fiber elastic felt, a sufficient amount of the mixture is conveyed into the holding box 10 through the feed hopper 11. When the production line starts to produce the glass fiber elastic felt, the conveyor belt 2 conveys the glass fiber to the bottom of the holding box 10, and then the quantitative delivery module 7 is used to convey the mixture in the holding box 10 to the sieve bucket 9 through the weighing cylinder 711 (when the mixture is introduced into the holding box 10 through the feed hopper 11, the motor 2 704 is started, and the motor 2 704 drives the outer gear meshing with the gear 1 705. The ring 701 rotates, so that the stirring rod 703 on the outer gear ring 701 rotates and removes the mixture adhering to the inner wall of the feed hopper 11. Before the conveyor belt 2 transports the glass fiber to the bottom of the receiving box 10, a weighing cylinder 711 of appropriate capacity is selected according to the flow rate of the glass fiber on the production line, and the weighing cylinder 711 is inserted into the receiving cylinder 708. The annular frame 728 is closed, and the positioning block 731 is locked by the elastic force of the spring 732 to reduce the protrusion 729, thereby fixing the weighing cylinder 711 in the receiving cylinder 708 and fixing it with the receiving cylinder 708. The connecting bolt 714 connected to the short shaft 724 is inserted into the sleeve 717 in the insertion hole 713, and the rotating frame 725 is rotated to overcome the torsion of the coil spring 727, so that the curved groove 726 pushes the locking rod 723 connected to the short shaft 724 to slide outward on the cut groove 722, so that the connecting bolt 714 is completely inserted into the sleeve 717, and the rotating frame 725 is released. Under the torsion of the coil spring 727, the locking rod 723 is quickly reset, so that the locking rod 723 is inserted into the card slot 716 to complete the locking of the connecting bolt 714, thereby Install the accommodating cylinder 708 equipped with the weighing cylinder 711 in the supporting frame 706. After the installation is completed, ensure that the inlet 709 and the feed trough 712 are in an upward posture. When the production line starts production, start the motor 3 719, and the motor 3 719 drives the half-toothed gear 720 to rotate, so that the fixing seat 721 connected to the gear 2 718 drives the accommodating cylinder 708 connected to the connecting bolt 714 to rotate 180 degrees, so that the mixture in the accommodating box 10 that flows into the feed trough 712 can enter the sieve bucket 9 through the lower discharge port 707); Step 2, after the mixture is filled into the sieve bucket 9, the pendulum spreading module 8 is used to make the sieve bucket 9 perform a reciprocating pendulum motion during vibration, so that the mixture in the sieve bucket 9 is sprinkled on the glass fiber on the conveyor belt 2, so that the mixture and the glass fiber are mixed (after the conveyor belt 2 conveys the glass fiber to the bottom of the sieve bucket 9, the motor five 810 is started, and the motor five 810 drives the gear three 808 meshing with the rack 809 to rotate, so that the gear three 808 drives the movable shaft 807 to reciprocate on the cambered groove 806. Since the movable shaft 807 is connected to the sieve bucket 9, the sieve bucket 9 can perform a regular pendulum motion on the retention bucket 801 with the connecting rod 802 as the radius. The motor four 803 is started, and the motor four 803 drives the cam 804 to rotate, so that the cam 804 applies vertical vibration to the conveyor belt 2, so that the mixture flowing into the sieve bucket 9 from the retention bucket 801 can be spread by the sieve bucket 9 on the glass fiber on the conveyor belt 2, so that the mixture and the glass fiber are mixed).

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A preparation device for deep cold insulation glass fiber elastic felt, comprising a loosening machine (12), a large cotton mixing bin (13), a scattering device, a powder spreading machine (16), a first drying room (17), an aluminum film covering machine (18) and a second drying room (19) connected in sequence, wherein the scattering device comprises a first air-laying machine (14) and a second air-laying machine (15) connected in sequence; the large cotton mixing bin (13) is connected to the first air-laying machine (14) and the second air-laying machine (15) via a cotton feeding device; and a block cutter (20) and a roll forming machine (21) are connected in sequence behind the second drying room (19).

2. The powder spreading machine (16) comprises a mounting frame (1), characterized in that: The upper side of the mounting frame (1) is provided with a rectangular opening, a containing box (10) is fixedly connected in the rectangular opening, a feeding hopper (11) is provided on the upper side of the containing box (10), and a quantitative delivery module (7) is provided on the containing box (10), the quantitative delivery module (7) comprises a supporting frame (706), the outside of the supporting frame (706) is fixedly connected to the inner wall of the containing box (10), a containing tube (708) is slidably connected to the inner wall of the supporting frame (706), an entry opening (709) is provided on both the supporting frame (706) and the containing tube (708), and the inner wall of the entry opening (709) is provided with a There are two symmetrical narrow grooves (710), and the same weighing cylinder (711) is slidably connected in the two narrow grooves (710). The weighing cylinder (711) is provided with a feed groove (712). The bottom of the supporting frame (706) is provided with a lower opening (707). A sieve bucket (9) is provided on the mounting frame (1), and a pendulum spreading module (8) is provided outside the sieve bucket (9). A conveyor belt (2) is provided on the mounting frame (1), and a fixed frame (4) is provided outside the conveyor belt (2). A collecting bucket (3) is provided on the fixed frame (4), and the collecting bucket (3) is located below the sieve bucket (9).

3. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 1, characterized in that: The feed hopper (11) is provided with an outer gear ring (701) on the outside, the bottom of the outer gear ring (701) is movably connected to the upper side of the containing box (10), the inner wall of the feed hopper (11) is movably connected to a fixing ring (702), the outside of the fixing ring (702) is fixedly connected to three stirring rods (703) equidistantly distributed around the circumference, the outsides of the stirring rods (703) are all in contact with the inner wall of the feed hopper (11), and the ends of the stirring rods (703) close to the outer gear ring (701) are fixedly connected to the upper side of the outer gear ring (701), the upper side of the containing box (10) is fixedly connected to a second motor (704), the output end of the second motor (704) is connected to a first gear (705) via a coupling, and the first gear (705) is meshed with the outer gear ring (701).

4. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 2, characterized in that: The outside of the containing box (10) is provided with an insertion hole (713), a sleeve (717) is fixedly connected in the insertion hole (713), a connecting bolt (714) is slidably connected in the sleeve (717), the connecting bolt (714) is fixedly connected to the side opposite to the containing tube (708), the outside of the sleeve (717) is movably connected to gear 2 (718), the side of the containing box (10) close to gear 2 (718) is fixedly connected to motor 3 (719), the output end of motor 3 (719) is connected to a half-toothed gear (720) via a coupling, the half-toothed gear (720) is meshed with gear 2 (718), and the outside of the sleeve (717) is movably connected to a fixed seat (721), the fixed seat (721) is fixedly connected to the side opposite to gear 2 (718).

5. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 3, characterized in that: The fixed seat (721) is provided with three circumferentially equidistantly distributed grooves (722) on a side away from the second gear (718), and locking rods (723) are slidably connected in the grooves (722). The three locking rods (723) are fixedly connected to short shafts (724) on a side away from the fixed seat (721), and an annular groove (715) is provided on the outside of the connecting bolt (714). The inner wall of the annular groove (715) is provided with three circumferentially equidistantly distributed clamping grooves (716), and the outsides of the three locking rods (723) are respectively clamped with the inner walls of the three clamping grooves (716).

6. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 4, characterized in that: The fixed seat (721) is movably connected to a rotating frame (725) on a side away from the second gear (718); the rotating frame (725) is provided with three circumferentially equidistantly distributed curved grooves (726); the inner walls of the three curved grooves (726) are respectively slidably connected to the outside of the three short shafts (724); the inner wall of the rotating frame (725) is fixedly connected to a coil spring (727); one end of the coil spring (727) away from the rotating frame (725) is fixedly connected to the outside of the fixed seat (721); and the side of the accommodating tube (708) away from the insertion hole (713) is An annular frame (728) is connected via a hinge; a protrusion (729) is fixedly connected to the outside of the annular frame (728); a locking block (731) is clamped to the outside of the protrusion (729); a U-shaped frame (730) is slidably connected to the outside of the locking block (731); a side of the U-shaped frame (730) opposite to the accommodating cylinder (708) is fixedly connected; a side of the locking block (731) away from the protrusion (729) is fixedly connected to a spring (732); a side of the spring (732) away from the locking block (731) is fixedly connected to the inner wall of the U-shaped frame (730).

7. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 5, characterized in that: The pendulum spreading module (8) comprises a retention bucket (801), the retention bucket (801) being fixedly connected to the top inner wall of the mounting frame (1) on the upper side, the retention bucket (801) being located below the containing box (10), the exterior of the retention bucket (801) being movably connected to two symmetrical connecting rods (802), and the ends of the two connecting rods (802) away from the retention bucket (801) being movably connected to movable shafts (807), and the sides of the two movable shafts (807) close to the screening bucket (9) being fixedly connected to the exterior of the screening bucket (9).

8. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 6, characterized in that: The outside of the sieve bucket (9) is fixedly connected to two symmetrical motors (803), the output ends of the two motors (803) are connected to cams (804) via couplings, and the fixed frame (4) is movably connected to two symmetrical rotating rollers (5), the outsides of the two rotating rollers (5) are in contact with the inner wall of the conveyor belt (2), and the outside of the fixed frame (4) is fixedly connected to a motor (6), and the output end of the motor (6) is connected to one side of one of the rotating rollers (5) via a coupling.

9. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 7, characterized in that: The inner walls of both sides of the mounting frame (1) close to the conveyor belt (2) are fixedly connected to arc-shaped parts (805), and the arc-shaped parts (805) are provided with arc-shaped grooves (806). The inner walls of the two arc-shaped grooves (806) are respectively slidably connected to the outside of the movable shaft (807) on the same side, and the side of the movable shaft (807) away from the screen bucket (9) is movably connected to a gear three (808).

10. The deep cold insulation glass fiber elastic felt preparation equipment according to claim 8, characterized in that: The connecting rod (802) is fixedly connected to a connecting frame on one side away from the sieve bucket (9), and the outside of the vertical frame is fixedly connected to a motor five (810). The output end of the motor five (810) is connected to a gear three (808) on one side away from the movable shaft (807) via a coupling, and the arc-shaped member (805) is fixedly connected to a rack (809) on one side away from the sieve bucket (9), and the rack (809) is meshed with the gear three (808) on the same side.

11. A method for preparing a cryogenic cold-insulating glass fiber elastic felt, using the cryogenic cold-insulating glass fiber elastic felt preparation device as claimed in claim 9, characterized in that: The steps include: Step 1: Before the glass fiber elastic felt is prepared on the production line, a sufficient amount of the mixture is conveyed into the containing box (10) through the feed hopper (11); when the production line starts to produce the glass fiber elastic felt, the conveyor belt (2) conveys the glass fiber to the bottom of the containing box (10), and then the quantitative delivery module (7) is used to convey the mixture in the containing box (10) to the sieve bucket (9) through the weighing cylinder (711); Step 2: After the mixture is filled into the sieve bucket (9), a pendulum spreading module (8) is used to make the sieve bucket (9) perform a reciprocating pendulum motion while vibrating, thereby sprinkling the mixture in the sieve bucket (9) onto the glass fibers on the conveyor belt (2), so that the mixture is mixed with the glass fibers.

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