Hot melt adhesive flame retardant raw material powder feeding mechanism

Abstract

The utility model discloses a hot melt adhesive flame retardant raw material powder feeding mechanism, and particularly relates to the technical field of flame retardant production, the hot melt adhesive flame retardant raw material powder feeding mechanism comprises a feeding hopper, a dust collection mechanism is arranged at the top of the feeding hopper, a crushing mechanism and a discharging mechanism are arranged in the feeding hopper, the crushing mechanism is arranged above the discharging mechanism, and the dust collection mechanism is arranged above the discharging mechanism. The dust collection mechanism comprises a first rotating rod rotationally arranged in the feeding hopper and a dust collection fan installed on one side of the feeding hopper. By arranging the dust collection mechanism, floating materials can be easily recycled, the phenomena that the floating materials float out of the feeding hopper, waste of raw materials is caused, sweeping is needed, and manpower and material resources are wasted are avoided, by arranging the discharging mechanism, the materials are added in batches, the follow-up materials are dispersed more evenly, and the feeding efficiency is improved. The material accumulation is prevented, so that the subsequent reaction for generating the flame retardant is more sufficient, the labor is saved in the rotating process, and the requirement on the motor is not high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flame retardant production, more particularly, the utility model relates to hot melt adhesive flame retardant raw material powder feeding mechanism. BACKGROUND

[0002] Hot melt adhesive is a plasticity adhesive, its physical state changes with temperature in a certain temperature range, and the chemical characteristics do not change, it is non-toxic and odorless, and belongs to the environmental protection type chemical product.

[0003] Flame retardant is a functional additive that gives flammable polymer flame retardancy, mainly for the flame retardant design of high polymer material, it has multiple types, and is divided into additive type flame retardant and reaction type flame retardant according to the use method, the flame retardant plays its flame retardant effect through several mechanisms, and is mainly applied in the fields of transportation, electronic and electrical equipment, furniture and building materials.

[0004] In the production process of the flame retardant, the raw material of the flame retardant is in powder state, in the process of raw material feeding, the commonly used mode is to pour the raw material powder into the feeding hopper, and rely on the gravity of the raw material powder to fall into the working equipment from the lower end of the feeding hopper.

[0005] The Chinese patent with the authorized announcement number CN215557389U discloses a kind of flame retardant raw material powder feeding mechanism, the mechanism, can improve the feeding speed of raw material, filter raw material powder, prevent the influence of subsequent processing effect by too large raw material powder particles, improve production quality.

[0006] But in actual use, when raw material powder is poured into feeding hopper and stirred in feeding hopper, smaller particle raw material is easy to raise, and can float out of feeding hopper, not only can cause raw material waste, but also need to clean up the site, waste manpower and material resources, when the mechanism discharges, it is difficult to achieve interval discharge, easy to make raw material accumulate in subsequent equipment, cause adverse effects. UTILITY MODEL CONTENT

[0007] In order to overcome the above-mentioned defects of the prior art, the utility model provides a hot melt adhesive flame retardant raw material powder feeding mechanism to solve the problems raised in the above background art.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: hot melt adhesive flame retardant raw material powder feeding mechanism, including feeding hopper, the feeding hopper top is provided with dust collection mechanism, the feeding hopper is internally provided with crushing mechanism and discharge mechanism, and the crushing mechanism is arranged above the discharge mechanism;

[0009] The dust collection mechanism comprises a first rotating rod rotatably arranged in the feeding hopper and a dust collection fan arranged on one side of the feeding hopper, a rotating plate is fixedly arranged on the surface of the first rotating rod, and a first motor for driving the first rotating rod to rotate is arranged on one side of the feeding hopper.

[0010] Two dust collection heads are arranged on the surface of the rotating plate, conveying hoses are arranged in communication at the top of the two dust collection heads, one end of each of the two conveying hoses is in communication with the dust collection fan, a backflow pipe is arranged at the bottom of the dust collection fan, and one end of the backflow pipe is in communication with the middle of the feeding hopper.

[0011] In order to enable the smashing mechanism to be used, preferably, the smashing mechanism comprises a screen and a support plate fixedly arranged in the feeding hopper and a cleaning plate rotatably arranged in the feeding hopper, the cleaning plate is arranged on the top of the screen, and the screen is arranged on the top of the support plate.

[0012] In order to enable the stirring rod to rotate, preferably, a stirring rod is rotatably arranged in the support plate, a worm gear is arranged on the surface of the stirring rod, a second rotating rod is rotatably arranged in the feeding hopper, the second rotating rod is arranged at the bottom of the support plate, a worm barrel is arranged on the surface of the second rotating rod, and the worm barrel is in meshing connection with the worm gear.

[0013] A second motor for driving the second rotating rod to rotate is arranged on the surface of the feeding hopper.

[0014] In order to enable the cleaning plate to drive the bristles to clean the surface of the screen, preferably, the stirring rod penetrates through the screen and is fixedly connected with the cleaning plate at the top of the stirring rod, the stirring rod is in rotary connection with the screen, a plurality of soft bristles are arranged on the bottom of the cleaning plate, and the soft bristles are in close contact with the surface of the screen.

[0015] In order to enable the material to be discharged in batches, preferably, the discharging mechanism comprises a third rotating rod rotatably arranged in the feeding hopper, and a plurality of semicircular baffles are arranged on the surface of the third rotating rod.

[0016] In order to enable the baffle to be more easily driven to rotate, preferably, a fourth rotating rod is rotatably arranged on the surface of the feeding hopper, a pinion is fixedly arranged on the surface of the fourth rotating rod, a gear wheel is fixedly arranged on one side of the third rotating rod and extends out of the feeding hopper, and the pinion is in meshing connection with the gear wheel.

[0017] In order to enable the third rotating rod to rotate, preferably, a support frame is arranged on the surface of the feeding hopper, and a third motor for driving the fourth rotating rod to rotate is arranged in the support frame.

[0018] Technical effects and advantages of the utility model:

[0019] Compared with the prior art, the dust suction mechanism is arranged, first, the material is added into the feeding hopper, after the addition is completed, the first motor is started, the rotating plate covers the top of the feeding hopper, then the bottom crushing mechanism is started, in the process of crushing and stirring, a large amount of small material particles are raised, at this time, the dust suction fan is started, the two dust suction heads generate suction force, the material particles suspended in the air are adsorbed and directly conveyed into the middle of the feeding hopper through the conveying hose and the return pipe, through the above operation, the recycling of the floating material can be easily realized, the floating material is prevented from floating out of the feeding hopper, the waste of raw materials is avoided, and the phenomenon of waste of manpower and material resources due to cleaning is avoided.

[0020] Compared with the prior art, when the crushing operation is completed, the falling material is concentrated in the feeding hopper, at this time, the third motor is started, the third motor drives the fourth rotating rod to rotate for multiple turns, the fourth rotating rod drives the pinion to rotate, the pinion drives the gear and the third rotating rod fixedly connected with the gear to rotate one turn through meshing transmission, finally, the four semicircular baffles rotate one turn, in the rotating process, the material flows down from the cavity between the two baffles, one discharging operation is realized, and batch addition of the material can be realized through the reciprocating operation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model.

[0022] Figure 2 It is a whole side structure schematic view of the utility model.

[0023] Figure 3 It is a feeding hopper internal structure schematic view of the utility model.

[0024] Figure 4 It is a crushing mechanism structure schematic view of the utility model.

[0025] Figure 5 It is a discharging mechanism structure schematic view of the utility model.

[0026] The figure sign is: 1, feeding hopper;2, first rotating rod;3, dust suction fan;4, rotating plate;5, first motor;6, dust suction head;7, conveying hose;8, return pipe;9, screen;10, supporting plate;11, cleaning plate;12, stirring rod;13, worm wheel;14, second rotating rod;15, worm tube;16, soft bristle;17, third rotating rod;18, baffle;19, fourth rotating rod;20, pinion;21, gear;22, third motor;23, second motor. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] As attached Figures 1-5 The hot melt adhesive flame retardant raw material powder feeding mechanism shown includes a feeding hopper 1, a dust suction mechanism is provided on the top of the feeding hopper 1, a crushing mechanism and a discharge mechanism are provided inside the feeding hopper 1, and the crushing mechanism is located above the discharge mechanism.

[0029] The dust collection mechanism includes a first rotating rod 2 rotatably disposed inside the feed hopper 1 and a dust collection fan 3 installed on one side of the feed hopper 1. A rotating plate 4 is fixedly disposed on the surface of the first rotating rod 2, and a first motor 5 for driving the first rotating rod 2 to rotate is disposed on one side of the feed hopper 1.

[0030] Two suction heads 6 are provided through the surface of the rotating plate 4. The top of the two suction heads 6 is connected to a conveying hose 7, and one end of each conveying hose is connected to the suction fan 3. The bottom of the suction fan 3 is provided with a return pipe 8, and one end of the return pipe 8 is connected to the middle of the feed hopper 1.

[0031] The above operations can easily achieve the recycling of floating materials, avoiding the waste of raw materials caused by floating materials drifting out of the feed hopper and the need for cleaning, which wastes manpower and resources.

[0032] Specifically, during the crushing and mixing process, a large number of smaller particles are lifted up. At this time, the dust extraction fan 3 is activated, which causes the two dust extraction heads 6 to generate suction, adsorbing the suspended material particles in the air and conveying them directly to the middle of the feed hopper 1 through the conveying hose 7 and the return pipe 8. Through the above operations, the floating material can be easily recycled, avoiding the phenomenon that the floating material floats out of the feed hopper 1, causing waste of raw materials and requiring cleaning, which wastes manpower and resources.

[0033] In a specific embodiment, as shown in the appendix Figure 3 , 4 As shown, the crushing mechanism includes a screen 9 and a support plate 10 fixedly disposed inside the feed hopper 1, and a cleaning plate 11 rotatably disposed inside the feed hopper 1. The cleaning plate 11 is disposed on top of the screen 9, and the screen 9 is disposed on top of the support plate 10.

[0034] The support plate 10 is internally rotatably provided with a stirring rod 12, the surface of the stirring rod 12 is provided with a worm gear 13, the inside of the feeding hopper 1 is rotatably provided with a second rotating rod 14, and the second rotating rod 14 is arranged at the bottom of the support plate 10, the surface of the second rotating rod 14 is provided with a worm tube 15, and the worm tube 15 is in meshing connection with the worm gear 13;

[0035] The surface of the feeding hopper 1 is provided with a second motor 23 for driving the second rotating rod 14 to rotate;

[0036] The stirring rod 12 penetrates through the screen 9 and is fixedly connected with the cleaning plate 11, and the stirring rod 12 is rotatably connected with the screen 9, the bottom of the cleaning plate 11 is provided with a plurality of soft bristles 16, and the soft bristles 16 are arranged in close contact with the surface of the screen 9.

[0037] Through the above operation, the material can be further dispersed, and the material is prevented from being blocked in the feeding hopper 1.

[0038] Specifically, after the addition of the material is completed, the second motor 23 is started to drive the second rotating rod 14 to rotate, so that the second rotating rod 14 drives the worm tube 15 to rotate, the worm tube 15 drives the worm gear 13 and the stirring rod 12 fixedly connected therewith to rotate through meshing transmission, the stirring rod 12 rotates to drive the cleaning plate 11 and the soft bristles 16 at the bottom of the cleaning plate 11 to rotate, so that the soft bristles 16 rotate in close contact with the screen 9, the large pieces of material pass through the screen 9 and clean the surface of the screen 9, and the material falls into the middle of the feeding hopper 1 and is agitated by the stirring rod 12 to further disperse the material, and the material is prevented from being blocked in the feeding hopper 1.

[0039] In specific embodiments, as shown in the accompanying drawings, Figure 3 、 5 The discharge mechanism includes a third rotating rod 17 rotatably arranged in the feeding hopper 1, and a plurality of semicircular baffles 18 are arranged on the surface of the third rotating rod 17.

[0040] The surface of the feeding hopper 1 is rotatably provided with a fourth rotating rod 19, the surface of the fourth rotating rod 19 is fixedly provided with a pinion 20, one side of the third rotating rod 17 extends out of the feeding hopper 1 and is fixedly provided with a large gear 21, and the pinion 20 is in meshing connection with the large gear 21.

[0041] The surface of the feeding hopper 1 is provided with a support frame, and the inside of the support frame is provided with a third motor 22 for driving the fourth rotating rod 19 to rotate.

[0042] Through the above operation, the material is added in batches, so that the subsequent material is more uniformly dispersed, the material is prevented from being accumulated, the subsequent generation of flame retardant reaction is more sufficient, and the rotating process is more labor-saving, and the requirement for the motor is not high.

[0043] Specifically, when the crushing operation is completed, the falling material is concentrated inside the feed hopper 1, at this time, the third motor 22 is started, so that the third motor 22 drives the fourth rotating rod 19 to rotate for many turns, the fourth rotating rod 19 drives the pinion 20 to rotate, the pinion 20 drives the gear wheel 21 and the third rotating rod 17 fixedly connected with the gear wheel 21 to rotate through meshing transmission One circle, finally drives the four semicircular flaps 18 to rotate a circle, in the process of rotating, the material flows down from the included angle cavity between the two flaps 18, realizes a discharging operation, and in turn reciprocates, can realize batch adding of the material, through the above operation, batch adding of the material is realized, the subsequent material is more uniform, prevents material accumulation, makes the subsequent flame retardant reaction more sufficient, and the rotating process is more labor-saving, the requirement of the third motor 22 is not high.

[0044] The working principle of the utility model is: first, start the first motor 5, drive the first rotating rod 2 to rotate, make the rotating plate 4 rotate 90 °, then add material to the inside of the feed hopper 1, the material falls to the top of the screen 9, after adding, start the second motor 23, drive the first rotating rod 2 to rotate, make the rotating plate 4 return to the original position, cover the top of the feed hopper 1;

[0045] After adding material, start the second motor 23, so that the second motor 23 drives the second rotating rod 14 to rotate, so that the second rotating rod 14 drives the worm cylinder 15 to rotate, the worm cylinder 15 drives the worm wheel 13 and the stirring rod 12 fixedly connected with the worm wheel 13 to rotate through meshing transmission, the stirring rod 12 rotates and drives the cleaning plate 11 and the soft brush 16 at the bottom of the cleaning plate 11 to rotate, so that the soft brush 16 tightly rotates against the screen 9, so that the large material passes through the screen 9 and cleans the surface of the screen 9, the material falls into the middle part of the feed hopper 1 and is stirred by the stirring rod 12, further dispersing the material, also preventing the material from being blocked in the inside of the feed hopper 1;

[0046] In the process of crushing and stirring, a large amount of small material particles are raised, at this time, the dust collection fan 3 is started, so that the two dust collection heads 6 generate suction force, the material particles suspended in the air are adsorbed and directly transported to the middle part of the feed hopper 1 through the conveying hose 7 and the return pipe 8, through the above operation, the recycling of floating material can be easily realized, the floating material is prevented from flowing out of the feed hopper 1, causing waste of raw materials, and the phenomenon of waste of manpower and material resources occurs is avoided;

[0047] When the crushing operation is completed, the falling material is concentrated in the inside of the feeding hopper 1, at this time, the third motor 22 is started, so that the third motor 22 drives the fourth rotating rod 19 to rotate for multiple turns, the fourth rotating rod 19 drives the pinion 20 to rotate, the pinion 20 drives the gear wheel 21 and the third rotating rod 17 fixedly connected with the gear wheel 21 to rotate through meshing transmission, and finally drives the four semicircular flashboard 18 to rotate for one turn, in the rotating process, the material flows down from the included angle cavity between the two flashboard 18, realizes one-time discharging operation, and through the reciprocating operation in sequence, the batch addition of the material can be realized, through the above operation, the batch addition of the material is realized, the subsequent material is more uniformly dispersed, the material is prevented from being accumulated, the subsequent generation of the flame retardant reaction is more sufficient, and the rotating process is more labor-saving, and the requirement of the third motor 22 is not high.

[0048] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hot melt adhesive flame retardant raw material powder feeding mechanism, comprising a feeding hopper (1), characterized in that: The feeding hopper (1) top is provided with dust collection mechanism, the feeding hopper (1) is provided with the mechanism and the discharge mechanism of breaking, and the breaking mechanism is arranged above the discharge mechanism; The dust collection mechanism includes a first rotating rod (2) rotatably arranged in the feeding hopper (1) and a dust collection fan (3) installed on one side of the feeding hopper (1), the surface of the first rotating rod (2) is fixedly provided with a rotating plate (4), and the feeding hopper (1) is provided with a first motor (5) for driving the first rotating rod (2) to rotate on one side. The surface of the rotating plate (4) is provided with two dust collection heads (6) penetrating through, the top of the two dust collection heads (6) is communicated with a conveying hose (7), one end of the two conveying hoses (7) is communicated with the dust collection fan (3), and the bottom of the dust collection fan (3) is provided with a backflow pipe (8), and one end of the backflow pipe (8) is communicated with the middle of the feeding hopper (1).

2. The hot melt adhesive flame retardant raw material powder feeding mechanism according to claim 1, characterized in that: The breaking mechanism includes a screen (9) and a support plate (10) fixedly arranged in the feeding hopper (1) and a cleaning plate (11) rotatably arranged in the feeding hopper (1), and the cleaning plate (11) is arranged on the top of the screen (9), and the screen (9) is arranged on the top of the support plate (10).

3. The hot melt adhesive flame retardant raw material powder feeding mechanism according to claim 2, characterized in that: The inside of the support plate (10) is rotatably provided with a stirring rod (12), the surface of the stirring rod (12) is provided with a worm gear (13), the inside of the feeding hopper (1) is rotatably provided with a second rotating rod (14), and the second rotating rod (14) is arranged at the bottom of the support plate (10), the surface of the second rotating rod (14) is provided with a worm tube (15), and the worm tube (15) is engagedly connected with the worm gear (13). The surface of the feeding hopper (1) is provided with a second motor (23) for driving the second rotating rod (14) to rotate.

4. The hot melt adhesive flame retardant raw material powder feeding mechanism according to claim 3, characterized in that: The top of the stirring rod (12) penetrates through the screen (9) and is fixedly connected with the cleaning plate (11), and the stirring rod (12) is rotatably connected with the screen (9), the bottom of the cleaning plate (11) is provided with a plurality of soft bristles (16), and the soft bristles (16) are closely arranged on the surface of the screen (9).

5. The hot melt adhesive flame retardant raw material powder feeding mechanism according to claim 1, characterized in that: The discharge mechanism includes a third rotating rod (17) rotatably arranged in the feeding hopper (1), and the surface of the third rotating rod (17) is provided with a plurality of semicircular baffles (18).

6. The hot melt adhesive flame retardant raw material powder feeding mechanism according to claim 5, characterized in that: The surface of the feeding hopper (1) is rotatably provided with a fourth rotating rod (19), the surface of the fourth rotating rod (19) is fixedly provided with a pinion (20), one side of the third rotating rod (17) extends out of the feeding hopper (1) and is fixedly provided with a gear wheel (21), and the pinion (20) is engaged with the gear wheel (21).

7. The hot melt adhesive flame retardant raw material powder feeding mechanism according to claim 1, characterized in that: The surface of the feeding hopper (1) is provided with a support frame, and the inside of the support frame is provided with a third motor (22) for driving the fourth rotating rod (19) to rotate.

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