Grinding equipment for asphalt modifier production

Abstract

The grinding equipment for asphalt modifier production comprises a working box and a driving mechanism, a driving shaft vertically penetrates through the middle of the top of the working box and is rotationally connected with the working box, a smashing cutter is horizontally and fixedly installed on the periphery of the driving shaft, a screen plate is horizontally arranged in the working box, the screen plate and the working box are in sliding connection in the vertical direction, and the smashing cutter is fixedly connected with the screen plate. A grinding roller is horizontally arranged at the top of the sieve plate, and the driving mechanism is used for driving the driving shaft to rotate, driving the sieve plate to vibrate up and down and driving the grinding roller to move left and right. According to the asphalt modifier grinding device, asphalt modifiers are firstly smashed and then ground, intermittent vibration screen falling is achieved in the grinding process, the ground asphalt modifiers are prevented from being accumulated on the screen plates to block the screen plates, and normal follow-up grinding is facilitated; and grinding and vibrating screen falling are continuously and intermittently carried out, the whole working process is smooth and does not influence each other, and the working efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen modifier production technical field especially relates to a kind of grinding equipment for bitumen modifier production. BACKGROUND

[0002] Bitumen modifier is an additive used to improve or enhance the performance of asphalt, widely used in road construction, maintenance and other related fields. By adding modifier, some properties of asphalt (such as adhesion, temperature change resistance, aging resistance, etc.) can be improved to meet the needs of specific projects. Common types of bitumen modifier include rubber modifier, polymer modifier, resin modifier, bitumen modified oil, inorganic material modifier, etc. Among them, rubber modifier (such as waste tire rubber powder), inorganic material modifier (such as bentonite, expanded perlite, graphite, etc.) need to be ground and decomposed into fine powder in the production process, so as to be more evenly mixed with asphalt.

[0003] However, the existing bitumen modifier production grinding equipment performs grinding work on a fixed sieve plate, and the ground bitumen modifier is prone to accumulate on the sieve plate and is not easy to sieve down, affecting the normal progress of subsequent grinding. If the sieve plate is vibrated for sieving, the sieve plate cannot be in contact with the grinding roller all the time, which is not conducive to grinding. Therefore, a bitumen modifier production grinding equipment is needed to solve the above problems. SUMMARY

[0004] The utility model aims at solving the shortcomings in the prior art and provides a bitumen modifier production grinding equipment.

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

[0006] A bitumen modifier production grinding equipment, comprising: a working box, a main shaft is vertically penetrated and rotationally connected to the middle of the top of the working box, a crushing knife is fixedly installed horizontally on the outer periphery of the main shaft, a sieve plate is horizontally provided inside the working box, the sieve plate and the working box are vertically slidingly connected, and a grinding roller is horizontally provided on the top of the sieve plate.

[0007] A drive mechanism is used to drive the main shaft to rotate, drive the sieve plate to vibrate up and down, and drive the grinding roller to move back and forth left and right.

[0008] As a further technical scheme of the utility model, a feeding port is formed on one side of the top of the working box, a controller is fixedly installed above one side of the outside of the working box, and a side door is hingedly connected below one side of the outside of the working box.

[0009] As a further technical scheme of the utility model, the plurality of crushing knives are evenly distributed on the outer periphery of the driving shaft located inside the working tank, the grinding roller is abutted with the top of the sieve plate, a strip-shaped groove is horizontally opened above the sieve plate on one side of the outer portion of the working tank, a material blocking box is horizontally welded on the outer side of the strip-shaped groove on the working tank, and the material blocking box is communicated with the strip-shaped groove.

[0010] As a further technical scheme of the utility model, the driving mechanism comprises a rotary motor, an L-shaped support plate is welded on one side of the top of the working tank, the rotary motor is vertically fixedly installed at the bottom of the L-shaped support plate, and the top end of the driving shaft is fixedly connected with the output end of the rotary motor.

[0011] The rotary motor is started to drive the driving shaft to rotate, and the driving shaft drives the plurality of crushing knives to rotate to crush the asphalt modifier entering the working tank.

[0012] As a further technical scheme of the utility model, the L-shaped support plate is vertically rotationally connected with a first driven shaft at the bottom, a pinion is welded on the first driven shaft, a half gear is welded on the driving shaft, the pinion is meshed with the half gear, a large disc is welded at the bottom of the first driven shaft, a circular recess is formed at the bottom of the large disc, a plurality of inner protruding teeth are welded on part of the inner wall of the circular recess, a small disc is welded at the center of the circular recess, a plurality of outer protruding teeth are welded on part of the outer periphery of the small disc, a driven gear is arranged in the circular recess, the driven gear is sequentially meshed with the plurality of inner protruding teeth and the plurality of outer protruding teeth, a vertical shaft is vertically welded at the bottom of the driven gear, the vertical shaft is rotationally connected with the top of the working tank, a first driving bevel gear is welded on the vertical shaft, a first driven bevel gear is meshed on the side surface of the first driving bevel gear, a first linkage shaft is horizontally welded at the center of the first driven bevel gear, a first support block is welded on one side of the outer portion of the working tank, a lead screw is rotationally connected with the first support block on one side in a horizontal mode, the same first belt is connected between the first linkage shaft and the lead screw, a moving block is sleeved on the lead screw, the moving block and the lead screw are connected in a threaded mode, an L-shaped rod is welded at the bottom of the moving block, and one end of the L-shaped rod is rotationally connected with one end of the grinding roller.

[0013] The driving shaft drives the half gear to rotate, when the half gear and the pinion gear are engaged, the pinion gear is driven to rotate for many turns, the pinion gear drives the large disc to rotate for many turns through the first driven shaft, the large disc drives the small disc to rotate for many turns, the plurality of inner protrusions on the inner wall of the circular groove are first engaged with the driven gear, the driven gear is driven to rotate forward, the driven gear drives the vertical shaft to rotate forward, the vertical shaft drives the first linkage shaft to rotate forward through the first driving bevel gear and the first driven bevel gear, the first linkage shaft drives the lead screw to rotate forward through the first belt, so that the moving block moves forward on the lead screw, when the plurality of inner protrusions and the driven gear are disengaged, the plurality of outer protrusions on the outer wall of the small disc are engaged with the driven gear again, the driven gear is driven to rotate reversely, and the moving block moves backward on the lead screw in the same way, the large disc and the small disc rotate for many turns, so that the moving block moves back and forth on the lead screw, the moving block drives the grinding roller to move back and forth on the top of the sieve plate through the L-shaped rod, and the asphalt modifier on the top of the sieve plate is ground.

[0014] As a further technical scheme of the utility model, the second driven shaft is vertically rotatably connected to one side of the top of the working box, a large gear is welded to the top end of the second driven shaft, the large gear is engageable with the half gear, a second driving bevel gear is welded to the second driven shaft, a second driven bevel gear is engaged with the side surface of the second driving bevel gear, a second linkage shaft is horizontally welded to the center of the second driven bevel gear, a rotating shaft is horizontally penetrated and rotatably connected to the middle of one side of the outside of the working box, the same second belt is connected between the rotating shaft and the second linkage shaft, a rotating block is vertically welded to the front end of the rotating shaft, and the rotating block abuts against the bottom of the sieve plate.

[0015] The driving shaft drives the half gear to rotate, when the half gear and the pinion gear are engaged, the half gear and the large gear are engaged to drive the large gear to rotate one circle, the large gear drives the second driven shaft to rotate one circle, the second driven shaft drives the second linkage shaft to rotate one circle through the second driving bevel gear and the second driven bevel gear, the second linkage shaft drives the rotating shaft to rotate one circle through the second belt, the rotating shaft drives the rotating block to rotate one circle, the top end of the rotating block abuts against the sieve plate in the initial state, so that the sieve plate is in the highest position, when the top end of the rotating block rotates downward, the bottom of the sieve plate loses the abutting force and vibrates downward, so that the asphalt modifier on the top of the sieve plate is quickly screened down, when the top end of the rotating block rotates upward again, the sieve plate is lifted to the original position, and the above process is repeated, so that the grinding and vibrating screening are continuously and intermittently carried out.

[0016] As a further technical scheme of the utility model, two second supporting blocks are welded on the top of the working box, the first linkage shaft and the second linkage shaft respectively penetrate through the two second supporting blocks and are rotationally connected with the second supporting blocks, and the L-shaped rod penetrates through the strip-shaped groove and the material blocking box and is slidingly connected with the strip-shaped groove and the material blocking box.

[0017] The utility model discloses the beneficial effect is: to asphalt modifier first crushing then grinding, and the intermittent vibration screen of grinding process falls, avoid the good asphalt modifier of grinding to accumulate on the sieve plate and block the sieve plate, facilitate the normal performance of subsequent grinding, grinding and vibration screen continuously intermittent, whole work flow is smooth and does not influence each other, and the working efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model discloses a structure schematic diagram of grinding equipment for asphalt modifier production is provided;

[0019] Figure 2 The utility model discloses a rear view structure schematic diagram of grinding equipment for asphalt modifier production is provided;

[0020] Figure 3 The utility model discloses a section structure schematic diagram of grinding equipment for asphalt modifier production is provided Figure 1 ;

[0021] Figure 4 The utility model discloses a section structure schematic diagram of grinding equipment for asphalt modifier production is provided Figure 2 ;

[0022] Figure 5 The utility model discloses a partial view structure schematic diagram of grinding equipment for asphalt modifier production is provided.

[0023] In the drawing: 1, rotating motor;2, driving shaft;3, half gear;4, big gear;5, screw;6, moving block;7, L-shaped rod;8, material blocking box;9, second belt;10, rotating shaft;11, side door;12, working box;13, controller;14, feeding opening;15, big disc;16, pinion;17, first driven shaft;18, L-shaped support plate;19, first linkage shaft;20, second driving bevel gear;21, second driven shaft;22, second driven bevel gear;23, second supporting block;24, second linkage shaft;25, first belt;26, crushing knife;27, rotating block;28, sieve plate;29, grinding roller;30, strip-shaped groove;31, first driven bevel gear;32, outer convex tooth;33, circular recess;34, small disc;35, inner convex tooth;36, first driving bevel gear;37, vertical shaft;38, driven gear;39, first supporting block. DETAILED DESCRIPTION

[0024] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 5 The utility model provides a kind of grinding equipment for asphalt modifier production, comprising: working tank 12, the middle part of the top of working tank 12 is vertically penetrated and rotationally connected with driving shaft 2, driving shaft 2 outer periphery is horizontally fixedly installed with crushing knife 26, sieve plate 28 is horizontally arranged in the inside of working tank 12, sieve plate 28 and working tank 12 are connected along vertical sliding, the top of sieve plate 28 is horizontally provided with grinding roller 29;

[0026] Driving mechanism is used to drive driving shaft 2 to rotate, drive sieve plate 28 to vibrate up and down, drive grinding roller 29 to move back and forth.

[0027] Please refer to the accompanying drawings Figure 1 In a preferred embodiment, feeding opening 14 is formed on one side of the top of working tank 12, controller 13 is fixedly installed above the outside of working tank 12, and side door 11 is hingedly connected below the outside of working tank 12.

[0028] The top cover of feeding opening 14 is opened to add asphalt modifier into working tank 12, side door 11 is opened to take out ground asphalt modifier, and controller 13 controls the working and rotating speed of rotary motor 1.

[0029] Please refer to the accompanying drawings Figure 1 And 4 In a preferred embodiment, crushing knife 26 is provided with multiple and uniformly distributed on the outer periphery of driving shaft 2 located in the inside of working tank 12, grinding roller 29 can abut against the top of sieve plate 28, strip-shaped groove 30 is horizontally formed above sieve plate 28 on the outside of working tank 12, and material blocking box 8 is horizontally welded on the outside of strip-shaped groove 30 on working tank 12, and material blocking box 8 is communicated with strip-shaped groove 30.

[0030] When sieve plate 28 is at the highest position and abuts against grinding roller 29, part of asphalt modifier can enter material blocking box 8 through strip-shaped groove 30 in the grinding process, and the inner bottom of material blocking box 8 is inclined, so that asphalt modifier can return to working tank 12 along the slope.

[0031] Please refer to the accompanying drawings Figures 1-5 In a preferred embodiment, driving mechanism includes rotary motor 1, L-shaped support plate 18 is welded on one side of the top of working tank 12, rotary motor 1 is vertically fixedly installed at the bottom of L-shaped support plate 18, and the top end of driving shaft 2 is fixedly connected with the output end of rotary motor 1.

[0032] L-shaped support plate 18 supports rotary motor 1 and first driven shaft 17.

[0033] Please refer to the accompanying drawings Figures 1-5 In a preferred embodiment, the bottom of the L-shaped support plate 18 is vertically connected with a first driven shaft 17, a small gear 16 is welded on the first driven shaft 17, a half gear 3 is welded on the driving shaft 2, the small gear 16 can engage with the half gear 3, a large disc 15 is welded on the bottom of the first driven shaft 17, a circular groove 33 is formed on the bottom of the large disc 15, a plurality of inner protruding teeth 35 are welded on part of the inner wall of the circular groove 33, a small disc 34 is welded at the center of the circular groove 33, and a plurality of outer protruding teeth 32 are welded on part of the outer circumference of the small disc 34.

[0034] Please refer to the accompanying drawings Figures 1-5 In a preferred embodiment, a driven gear 38 is arranged in the circular groove 33, the driven gear 38 engages with the plurality of inner protruding teeth 35 and the plurality of outer protruding teeth 32 in sequence, a vertical shaft 37 is vertically welded on the bottom of the driven gear 38, the bottom end of the vertical shaft 37 is rotatably connected with the top of the working box 12, a first driving bevel gear 36 is welded on the vertical shaft 37, a first driven bevel gear 31 is engaged with the side surface of the first driving bevel gear 36, and a first linkage shaft 19 is horizontally welded at the center of the first driven bevel gear 31.

[0035] Please refer to the accompanying drawings Figures 1-5 In a preferred embodiment, a first support block 39 is welded on one side of the outer part of the working box 12, a lead screw 5 is rotatably connected with one side of the first support block 39, the same first belt 25 is connected between the first linkage shaft 19 and the lead screw 5, a moving block 6 is sleeved on the lead screw 5, the moving block 6 and the lead screw 5 are connected through threads, an L-shaped rod 7 is welded on the bottom of the moving block 6, and one end of the L-shaped rod 7 is rotatably connected with one end of the grinding roller 29.

[0036] The first support block 39 provides support for the lead screw 5, and the grinding roller 29 can rotate during left and right movement for grinding to facilitate the grinding process.

[0037] Please refer to the accompanying drawings Figures 1-5 In a preferred embodiment, a second driven shaft 21 is vertically rotatably connected with one side of the top of the working box 12, a large gear 4 is welded on the top end of the second driven shaft 21, the large gear 4 can engage with the half gear 3, a second driving bevel gear 20 is welded on the second driven shaft 21, a second driven bevel gear 22 is engaged with the side surface of the second driving bevel gear 20, and a second linkage shaft 24 is horizontally welded at the center of the second driven bevel gear 22.

[0038] Please refer to the accompanying drawings Figures 1-5In a preferred embodiment, the middle part of the outer side of the working box 12 is horizontally penetrated and rotationally connected with a rotating shaft 10, the rotating shaft 10 is connected with the same second belt 9 between the second linkage shaft 24, the front end of the rotating shaft 10 is vertically welded with a rotating block 27, and the rotating block 27 abuts against the bottom of the sieve plate 28.

[0039] Please refer to the accompanying drawings Figure 1 In a preferred embodiment, two second supporting blocks 23 are welded on the top of the working box 12, the first linkage shaft 19 and the second linkage shaft 24 are respectively penetrated through the two second supporting blocks 23 and rotationally connected with the second supporting blocks 23, and the L-shaped rod 7 is penetrated through the strip-shaped groove 30 and the material blocking box 8 and is slidingly connected with the strip-shaped groove 30 and the material blocking box 8.

[0040] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: the rotating motor 1 is started to drive the driving shaft 2 to rotate, the driving shaft 2 drives the plurality of crushing knives 26 to rotate to crush the asphalt modifier entering the working box 12;

[0041] The driving shaft 2 drives the half gear 3 to rotate, when the half gear 3 and the pinion 16 are engaged, the pinion 16 is driven to rotate for multiple turns, the pinion 16 drives the large disc 15 to rotate for multiple turns through the first driven shaft 37 17, the large disc 15 drives the small disc 34 to rotate for multiple turns, the plurality of inner protruding teeth 35 on the inner wall of the circular groove 33 are first engaged with the driven gear 38 to drive the driven gear 38 to rotate in the positive direction, the driven gear 38 drives the vertical shaft to rotate in the positive direction, the vertical shaft drives the first linkage shaft 19 to rotate in the positive direction through the first driving bevel gear 36 and the first driven bevel gear 31, the first linkage shaft 19 drives the lead screw 5 to rotate in the positive direction through the first belt 25, so that the moving block 6 moves forward on the lead screw 5, when the plurality of inner protruding teeth 35 and the driven gear 38 are engaged, the plurality of outer protruding teeth 32 on the outer periphery of the small disc 34 are engaged with the driven gear 38 again to drive the driven gear 38 to rotate in the reverse direction, and the moving block 6 moves backward on the lead screw 5 in the same way, the large disc 15 and the small disc 34 rotate for multiple turns to drive the moving block 6 to complete several back-and-forth movements on the lead screw 5, and the moving block 6 drives the grinding roller 29 to complete several back-and-forth movements on the top of the sieve plate 28 through the L-shaped rod 7 to grind the asphalt modifier on the top of the sieve plate 28;

[0042] The main shaft 2 drives the half gear 3 to rotate, when the half gear 3 and the pinion 16 are engaged, the half gear 3 and the gear 4 are engaged to drive the gear 4 to rotate a circle, the gear 4 drives the second driven shaft 21 to rotate a circle, the second driven shaft 21 drives the second linkage shaft 24 to rotate a circle through the second driving bevel gear 20 and the second driven bevel gear 22, the second linkage shaft 24 drives the rotating shaft 10 to rotate a circle through the second belt 9, the rotating shaft 10 drives the rotating block 27 to rotate a circle, in the initial state, the top end of the rotating block 27 and the sieve plate 28 abut to make the sieve plate 28 be in the highest position, when the top end of the rotating block 27 rotates downward, the bottom of the sieve plate 28 loses the abutting force and vibrates downward, then the top of the sieve plate 28 is screened down, when the top end of the rotating block 27 rotates upward again, the sieve plate 28 is lifted to the original position, and the above process is repeated to continuously and intermittently grind and vibrate and screen.

[0043] Those skilled in the art will understand that the above discussion of any embodiment is merely exemplary and is not intended to be limiting of the scope of the present application (including claims) to these examples. Any of the above embodiments or technical features among different embodiments can be combined, and the steps can be implemented in any order, under the idea of the present application, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details.

[0044] The present application is intended to cover all such alternatives, modifications, and variations of the present application as come within the scope of the broadest expression of the claims included herein. Accordingly, any and all such modifications, variations, and equivalents that fall within the spirit and scope of the present application are intended to be included within the scope of the present application.

Claims

1. A grinding equipment for producing asphalt modifiers, characterized in that, include: The working box (12) has a drive shaft (2) vertically penetrating and rotatably connected to the middle of the top of the working box (12). A crushing blade (26) is horizontally fixed on the outer periphery of the drive shaft (2). A sieve plate (28) is horizontally provided inside the working box (12). The sieve plate (28) and the working box (12) are slidably connected in the vertical direction. A grinding roller (29) is horizontally provided on the top of the sieve plate (28). The drive mechanism is used to drive the drive shaft (2) to rotate, drive the sieve plate (28) to vibrate up and down, and drive the grinding roller (29) to move back and forth.

2. The grinding equipment for producing asphalt modifier according to claim 1, characterized in that, The top side of the work box (12) is provided with a feeding port (14), a controller (13) is fixedly installed on the upper part of the outer side of the work box (12), and a side door (11) is hinged to the lower part of the outer side of the work box (12).

3. The grinding equipment for producing asphalt modifier according to claim 1, characterized in that, The crushing blades (26) are provided in multiple sizes and are evenly distributed on the outer periphery of the drive shaft (2) inside the working box (12). The grinding roller (29) can abut against the top of the sieve plate (28). A strip groove (30) is horizontally opened on one side of the working box (12) above the sieve plate (28). A baffle box (8) is horizontally welded on the outside of the strip groove (30) on the working box (12). The baffle box (8) and the strip groove (30) are connected.

4. The grinding equipment for producing asphalt modifier according to claim 1, characterized in that, The drive mechanism includes a rotary motor (1), an L-shaped support plate (18) is welded to one side of the top of the work box (12), the rotary motor (1) is vertically fixedly installed at the bottom of the L-shaped support plate (18), and the top of the drive shaft (2) is fixedly connected to the output end of the rotary motor (1).

5. The grinding equipment for producing asphalt modifier according to claim 4, characterized in that, The L-shaped support plate (18) is vertically rotatably connected to a first driven shaft (17) at its bottom. A small gear (16) is welded onto the first driven shaft (17). A half gear (3) is welded onto the drive shaft (2). The small gear (16) can mesh with the half gear (3). A large disc (15) is welded to the bottom of the first driven shaft (17). A circular groove (33) is opened at the bottom of the large disc (15). A plurality of internal protruding teeth (35) are welded to the inner wall of part of the circular groove (33). A small disc (34) is welded to the center of the circular groove (33). A plurality of external protruding teeth (32) are welded to the outer periphery of part of the small disc (34).

6. The grinding equipment for producing asphalt modifier according to claim 5, characterized in that, A driven gear (38) is provided in the circular groove (33). The driven gear (38) meshes with a plurality of internal convex teeth (35) and a plurality of external convex teeth (32) in sequence. A vertical shaft (37) is vertically welded to the bottom of the driven gear (38). The bottom end of the vertical shaft (37) is rotatably connected to the top of the work box (12). A first driving bevel gear (36) is welded on the vertical shaft (37). A first driven bevel gear (31) meshes with the side of the first driving bevel gear (36). A first linkage shaft (19) is horizontally welded at the center of the first driven bevel gear (31).

7. The grinding equipment for producing asphalt modifier according to claim 6, characterized in that, A first support block (39) is welded to one side of the work box (12). A lead screw (5) is horizontally rotatably connected to one side of the first support block (39). The first linkage shaft (19) and the lead screw (5) are connected by the same first belt (25). A moving block (6) is sleeved on the lead screw (5). The moving block (6) and the lead screw (5) are connected by threads. An L-shaped rod (7) is welded to the bottom of the moving block (6). The other end of the L-shaped rod (7) is rotatably connected to one end of the grinding roller (29).

8. The grinding equipment for producing asphalt modifier according to claim 7, characterized in that, The top side of the work box (12) is vertically rotatably connected to a second driven shaft (21). A large gear (4) is welded to the top of the second driven shaft (21). The large gear (4) can mesh with a half gear (3). A second driving bevel gear (20) is welded to the second driven shaft (21). A second driven bevel gear (22) meshes with the side of the second driving bevel gear (20). A second linkage shaft (24) is horizontally welded to the center of the second driven bevel gear (22).

9. A grinding equipment for producing asphalt modifiers according to claim 8, characterized in that, A rotating shaft (10) is horizontally connected to the middle of one side of the work box (12) and rotates. The rotating shaft (10) and the second linkage shaft (24) are connected by the same second belt (9). A rotating block (27) is vertically welded to the front end of the rotating shaft (10). The rotating block (27) and the bottom of the sieve plate (28) abut against each other.

10. A grinding device for producing asphalt modifiers according to claim 9, characterized in that, The top two sides of the work box (12) are welded with two second support blocks (23). The first linkage shaft (19) and the second linkage shaft (24) pass through the two second support blocks (23) respectively and are rotatably connected to the second support blocks (23). The L-shaped rod (7) passes through the strip groove (30) and the baffle box (8) and is slidably connected to the strip groove (30) and the baffle box (8).

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