Crushing device for amino molding plastic particle production

Abstract

The utility model discloses a crushing device for amino molding plastic particle production, which comprises a crushing box, a driving mechanism and an air supply mechanism, second rotating shafts penetrate through two sides of the top of the crushing box and rotate, second crushing cutters are welded on the peripheries of the two second rotating shafts, and first rotating shafts penetrate through two ends of the middle of one side of the crushing box and rotate. First smashing cutters are welded to the peripheries of the two first rotating shafts correspondingly, a screening plate is installed on the lower middle portion in the smashing box, the driving mechanism is used for driving the two first rotating shafts and the two second rotating shafts to rotate, and the air supply mechanism is used for blowing air into the smashing box to raise plastic particles. According to the utility model, amino molding plastic particles can be crushed by crushing forces in the horizontal direction and the vertical direction, and the crushing forces in the positive direction and the negative direction are also provided in the horizontal direction and the vertical direction, so that the crushing effect is better; particles which are not completely smashed at a time can be raised and smashed again till the particles are smashed to the needed size, multiple times of material taking, feeding and repeated smashing are not needed, the working steps are simpler and more convenient, and the smashing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to amino moulding plastics particle production technical field especially relates to a kind of crushing device for amino moulding plastics particle production. BACKGROUND

[0002] Amino moulding plastics is a common thermosetting plastic, and the most common variety is phenol formaldehyde resin and urea-formaldehyde resin. They usually exist in the form of particles during processing and are widely used in molding, injection molding and other fields. Amino moulding plastics has excellent mechanical strength, heat resistance, corrosion resistance and other characteristics, and the processing technology is simple, which can meet various high-performance application requirements. Amino moulding plastics particles need to be crushed into particles during production.

[0003] However, the existing amino moulding plastics particle production crushing device only uses a set of high-speed rotating crushing knives for crushing work, which may not be completely crushed, and needs to be repeatedly crushed by taking and adding materials multiple times. The working steps are complicated and the crushing efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a crushing device for amino moulding plastics particle production.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A crushing device for amino moulding plastics particle production includes a crushing box, two second shafts are vertically penetrated and rotated on both sides of the top of the crushing box, and a second crushing knife is welded on the outer circumference of each second shaft. Two first shafts are horizontally penetrated and rotationally connected at both ends of the middle of one side of the crushing box, and a first crushing knife is welded on the outer circumference of each first shaft. A sieve plate is horizontally fixed and installed at the middle and lower part of the inside of the crushing box.

[0007] A drive mechanism is used to drive the two first shafts and the two second shafts to rotate.

[0008] A wind supply mechanism is used to blow air into the inside of the crushing box to lift the plastic particles.

[0009] As a further technical solution of the utility model, a feeding port is provided on one side of the top of the crushing box, and a top cover is provided on the top of the feeding port. A controller is fixedly installed on one side of the outside of the crushing box. A side door is hinged below one side of the outside of the crushing box. A ventilation pipe is vertically communicated on one side of the top of the crushing box, and a ventilation valve is installed on the ventilation pipe.

[0010] As a further technical scheme of the utility model, the first and second pulverizing knives are provided in plurality, the plurality of first and second pulverizing knives are evenly distributed along the circumference and vertically on the outer periphery of the two first and second rotating shafts, the first pulverizing knives on the two first rotating shafts are arranged alternately, and the second pulverizing knives on the two second rotating shafts are arranged alternately.

[0011] As a further technical scheme of the utility model, the driving mechanism comprises a rotary motor, an L-shaped mounting plate is welded on one side of the exterior of the pulverizing box, the rotary motor is horizontally fixedly installed on the inner side of the L-shaped mounting plate, the output end of the rotary motor is fixedly connected with the end of one of the first rotating shafts, first gears are welded on the two first rotating shafts, the two first gears are meshed, one of the first rotating shafts is welded with a driving bevel gear, the top of the driving bevel gear is meshed with a driven bevel gear, a linkage shaft is vertically welded at the center of the driven bevel gear, a supporting block is welded on one side of the exterior of the pulverizing box, the linkage shaft penetrates through the supporting block and is rotationally connected with the supporting block, second gears are welded on the two second rotating shafts, the two second gears are meshed, and the same belt is connected between one of the second rotating shafts and the linkage shaft.

[0012] The rotary motor drives one of the first rotating shafts to rotate forward, one of the first rotating shafts drives the other first rotating shaft to rotate reversely through the meshing of the two first gears, so that the two first rotating shafts drive the first pulverizing knives thereon to rotate reversely, meanwhile, one of the first rotating shafts drives the linkage shaft to rotate through the meshing of the driving bevel gear and the driven bevel gear, the linkage shaft drives one of the second rotating shafts to rotate forward through the belt, one of the second rotating shafts drives the other second rotating shaft to rotate reversely through the meshing of the two second gears, so that the two second rotating shafts drive the second pulverizing knives thereon to rotate reversely, the amino molding plastic particles can be pulverized by horizontal and vertical pulverizing forces, and the horizontal and vertical directions also have forward and reverse pulverizing forces, so that the pulverizing effect is better.

[0013] As a further technical scheme of the utility model, the air supply mechanism comprises a fan, a mounting seat is welded below one side of the exterior of the pulverizing box, the fan is fixedly installed on the top of the mounting seat, the air outlet of the fan is horizontally communicated with an air outlet main pipe, the air outlet main pipe extends into the interior of the pulverizing box, a mounting block is welded below the inner wall of one side of the pulverizing box, an annular pipe penetrates through and is fixedly installed in the mounting block, the annular pipe is communicated with the air outlet main pipe, the inner side of the annular pipe is communicated with air outlet branch pipes which are inclined upward, the air outlet branch pipes are provided in plurality and evenly distributed along the circumference on the inner side of the annular pipe, the top ends of the plurality of air outlet branch pipes are fixedly installed with nozzles, and the air outlets of the plurality of nozzles are fixedly installed with dustproof nets.

[0014] During the crushing process, the air is sucked by starting the fan, passes through the air outlet main pipe and the annular pipe, and then is sprayed into the crushing box by multiple spray heads through multiple air outlet branch pipes, to generate upward spiral wind force to lift the amino molding plastic particles accumulated on the surface of the sieve plate upward, so that the one-time incompletely crushed amino molding plastic particles can enter between the crushing knives for re-crushing until the desired size, avoiding incomplete crushing, and eliminating the need for multiple times of taking out and adding materials for repeated crushing, so that the working steps are more simple, and the crushing efficiency is improved.

[0015] The amino molding plastic particles can be crushed by horizontal and vertical crushing forces, and the horizontal and vertical crushing forces also have forward and reverse directions, so that the crushing effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure schematic view of the crushing device for amino molding plastic particle production is provided in the utility model.

[0017] Figure 2 A partial sectional structure schematic view of the crushing device for amino molding plastic particle production is provided in the utility model.

[0018] Figure 3 A rear view sectional structure schematic view of the crushing device for amino molding plastic particle production is provided in the utility model.

[0019] Figure 4 A partial bottom view structure schematic view of the crushing device for amino molding plastic particle production is provided in the utility model.

[0020] In the drawing: 1, feeding port; 2, controller; 3, crushing box; 4, side door; 5, mounting seat; 6, fan; 7, L-shaped mounting plate; 8, rotating motor; 9, linkage shaft; 10, supporting block; 11, belt; 12, breather pipe; 13, breather valve; 14, air outlet branch pipe; 15, mounting block; 16, annular pipe; 17, spray head; 18, dust screen; 19, second rotating shaft; 20, second crushing knife; 21, sieve plate; 22, first rotating shaft; 23, first crushing knife; 24, first gear; 25, driven bevel gear; 26, driving bevel gear; 27, air outlet main pipe; 28, second gear. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to the attached Figure 1 - attached Figure 4 The utility model provides a kind of pulverizer for amino moulding material particle production, comprising: pulverizer box 3, second rotating shaft 19 is vertically penetrated and rotated in the top of pulverizer box 3 both sides, and the outer periphery of two second rotating shafts 19 is welded with second pulverizing knife 20, the both ends of the middle of one side of pulverizer box 3 are horizontally penetrated and rotationally connected with first rotating shaft 22, and the outer periphery of two first rotating shafts 22 is welded with first pulverizing knife 23, and the middle lower part inside pulverizer box 3 is fixedly installed with sieve plate 21;

[0023] Driving mechanism, driving mechanism is used to drive two first rotating shafts 22 and two second rotating shafts 19 rotation;

[0024] Air supply mechanism, air supply mechanism is used to blow air to the inside of pulverizer box 3 and raise plastic particles.

[0025] Please refer to the attached Figure 1 In a preferred embodiment, the top of pulverizer box 3 is provided with feeding opening 1 on one side, and the top of feeding opening 1 is covered with top cover, controller 2 is fixedly installed on the outside of pulverizer box 3, side door 4 is hinged below the outside of pulverizer box 3, and air pipe 12 is vertically communicated on one side of the top of pulverizer box 3, and air valve 13 is installed on air pipe 12.

[0026] Open top cover to add raw materials into pulverizer box 3 from feeding opening 1, controller 2 controls the work of all electrical equipment, open side door 4 to take out amino moulding material particles that are completely pulverized, open air valve 13 during pulverization, and excess air in the inside of pulverizer box 3 is discharged from air pipe 12.

[0027] Please refer to the attached Figures 3-4 In a preferred embodiment, first pulverizing knife 23 and second pulverizing knife 20 are provided with multiple, multiple first pulverizing knives 23 and second pulverizing knives 20 are evenly distributed along circumference and vertically on the outer periphery of two first rotating shafts 22 and two second rotating shafts 19 respectively, first pulverizing knives 23 on two first rotating shafts 22 are staggered, and second pulverizing knives 20 on two second rotating shafts 19 are staggered.

[0028] Please refer to the attached Figures 1-4 In a preferred embodiment, driving mechanism includes rotary motor 8, L-shaped mounting plate 7 is welded on the outside of pulverizer box 3, rotary motor 8 is fixedly installed in the inner side of L-shaped mounting plate 7, and the output end of rotary motor 8 is fixedly connected with the end of one of first rotating shafts 22.

[0029] L-shaped mounting plate 7 provides support for rotary motor 8.

[0030] Please refer to the attached Figures 1-4In a preferred embodiment, the first rotating shaft 22 is welded with a first gear 24, the two first gears 24 are engaged with each other, and one of the first rotating shafts 22 is welded with a driving bevel gear 26, the top of which is engaged with a driven bevel gear 25, and the center of the driven bevel gear 25 is vertically welded with a linkage shaft 9.

[0031] Please refer to the accompanying drawings Figures 1-4 In a preferred embodiment, the outside of the pulverizing box 3 is welded with a support block 10, the linkage shaft 9 penetrates through the support block 10 and is rotatably connected with the support block 10, the second rotating shaft 19 is welded with a second gear 28, the two second gears 28 are engaged with each other, and the same belt 11 is connected between the second rotating shaft 19 and the linkage shaft 9.

[0032] The support block 10 supports the linkage shaft 9.

[0033] Please refer to the accompanying drawings Figures 1-4 In a preferred embodiment, the air supply mechanism includes a fan 6, the outside of the pulverizing box 3 is welded with a mounting seat 5 below, the fan 6 is fixedly installed on the top of the mounting seat 5, the air outlet of the fan 6 is horizontally connected with an air outlet main pipe 27, and the air outlet main pipe 27 extends into the inside of the pulverizing box 3.

[0034] The mounting seat 5 supports the fan 6.

[0035] Please refer to the accompanying drawings Figures 1-4 In a preferred embodiment, the inside of the pulverizing box 3 is welded with a mounting block 15 below, the annular pipe 16 penetrates through and is fixedly installed in the mounting block 15, the annular pipe 16 is connected with the air outlet main pipe 27, and the inside of the annular pipe 16 is obliquely and upwardly connected with an air outlet branch pipe 14.

[0036] The mounting block 15 supports the annular pipe 16.

[0037] Please refer to the accompanying drawings Figures 1-4 In a preferred embodiment, the air outlet branch pipe 14 is provided with a plurality of air outlet branch pipes 14, which are evenly distributed along the circumference of the inside of the annular pipe 16, and the top of each of the plurality of air outlet branch pipes 14 is fixedly installed with a spray head 17, and the air outlet of each of the plurality of spray heads 17 is fixedly installed with a dustproof net 18.

[0038] The dustproof net 18 prevents the amino molding plastic particles that are completely sieved from the sieve plate 21 from entering the spray head 17.

[0039] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the starting rotating motor 8 drives one of the first rotating shafts 22 to rotate forward, one first rotating shaft 22 drives another first rotating shaft 22 to rotate reversely through the meshing of the two first gears 24, so that the two first rotating shafts 22 drive the first crushing knives 23 thereon to rotate reversely, meanwhile, one of the first rotating shafts 22 drives the linkage shaft 9 to rotate through the meshing of the driving bevel gear 26 and the driven bevel gear 25, the linkage shaft 9 drives one of the second rotating shafts 19 to rotate forward through the belt 11, one second rotating shaft 19 drives another second rotating shaft 19 to rotate reversely through the meshing of the two second gears 28, so that the two second rotating shafts 19 drive the second crushing knives 20 thereon to rotate reversely, the amino molding plastic particles can be crushed by horizontal and vertical crushing forces, and the horizontal and vertical crushing forces also have forward and reverse directions, so that the crushing effect is better;

[0040] During the crushing process, the starting fan 6 sucks air to pass through the air outlet main pipe 27 and the annular pipe 16, and then is sprayed into the crushing box 3 by the multiple air outlet branch pipes 14 and the multiple nozzles 17 upward, spiral air force upward is generated to lift the amino molding plastic particles on the surface of the sieve plate 21 upward, so that the amino molding plastic particles that are not completely crushed at one time can enter the crushing knives again to be crushed until the desired size, the incomplete crushing condition is avoided, the crushing efficiency is improved, and the working steps are more simple.

[0041] The crushed amino molding plastic particles are screened by the sieve plate 21 and enter the bottom of the crushing box 3 for storage.

[0042] Those skilled in the art should understand that the discussion of the above any embodiment is only exemplary, and is not intended to suggest that the scope (including claims) of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of brevity.

[0043] The utility model aims at covering all such replacements, modifications and variations falling within the broad scope of the claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A crushing device for producing amino molding compound granules, characterized in that, Include: The pulverizing box (3) is vertically penetrated and rotated on both sides of the top of the pulverizing box (3), and the outer periphery of the two second rotating shafts (19) is welded with second pulverizing knives (20). The two ends of the middle part of one side of the pulverizing box (3) are horizontally penetrated and rotationally connected with first rotating shafts (22), and the outer periphery of the two first rotating shafts (22) is welded with first pulverizing knives (23). The middle and lower parts of the inside of the pulverizing box (3) are horizontally fixedly installed with sieve plates (21). The driving mechanism is used to drive the two first rotating shafts (22) and the two second rotating shafts (19) to rotate. The air supply mechanism is used to blow air into the inside of the pulverizing box (3) to lift the plastic particles.

2. The pulverizing device for producing amino molding compound particles according to claim 1, characterized by The pulverizing box (3) is provided with a feeding port (1) on one side of the top, and the top of the feeding port (1) is covered with a top cover. The controller (2) is fixedly installed on one side of the outside of the pulverizing box (3). The side door (4) is hingedly connected to the lower part of one side of the outside of the pulverizing box (3). The ventilating pipe (12) is vertically communicated on one side of the top of the pulverizing box (3). The ventilating valve (13) is installed on the ventilating pipe (12).

3. The pulverizing device for producing amino molding compound particles according to claim 1, characterized by The first pulverizing knives (23) and the second pulverizing knives (20) are provided with a plurality of first pulverizing knives (23) and a plurality of second pulverizing knives (20), respectively. The first rotating shafts (22) and the second rotating shafts (19) are uniformly distributed along the circumference and vertically. The first pulverizing knives (23) on the two first rotating shafts (22) are arranged alternately, and the second pulverizing knives (20) on the two second rotating shafts (19) are arranged alternately.

4. The pulverizing device for producing amino molding compound granules according to claim 1, characterized in that The driving mechanism includes a rotary motor (8), and the L-shaped mounting plate (7) is welded on one side of the outside of the pulverizing box (3). The rotary motor (8) is horizontally fixedly installed on the inner side of the L-shaped mounting plate (7). The output end of the rotary motor (8) is fixedly connected with the end part of one of the first rotating shafts (22).

5. The pulverizing device for producing amino molding compound particles according to claim 4, wherein The first gear (24) is welded on the two first rotating shafts (22), the two first gears (24) are engaged, one of the first rotating shafts (22) is welded with a driving bevel gear (26), the top of the driving bevel gear (26) is engaged with a driven bevel gear (25), and the center of the driven bevel gear (25) is vertically welded with a linkage shaft (9).

6. The pulverizing device for producing amino molding compound particles according to claim 5, wherein The support block (10) is welded on one side of the outside of the pulverizing box (3), the linkage shaft (9) penetrates the support block (10) and is rotationally connected with the support block (10), the second gear (28) is welded on the two second rotating shafts (19), the two second gears (28) are engaged, and the same belt (11) is connected between one of the second rotating shafts (19) and the linkage shaft (9).

7. The pulverizing device for producing amino molding compound granules according to claim 1, characterized in that The air supply mechanism includes a fan (6), and the mounting seat (5) is welded on the lower part of one side of the outside of the pulverizing box (3). The fan (6) is fixedly installed on the top of the mounting seat (5). The air outlet of the fan (6) is horizontally communicated with the air outlet main pipe (27), and the air outlet main pipe (27) extends into the inside of the pulverizing box (3).

8. The pulverizing device for producing amino molding compound particles according to claim 7, characterized by The lower side of the inner wall of the pulverizing box (3) is welded with a mounting block (15), the annular pipe (16) is fixedly installed in the mounting block (15) and communicates with the air outlet main pipe (27), and the air outlet branch pipes (14) are obliquely and upwardly communicated with the inner side of the annular pipe (16).

9. The pulverizing device for producing amino molding compound particles according to claim 8, wherein The air outlet branch pipes (14) are evenly distributed along the circumference of the inner side of the annular pipe (16), the top ends of the air outlet branch pipes (14) are fixedly installed with the nozzles (17), and the air outlets of the nozzles (17) are fixedly installed with the dustproof nets (18).

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