CN115816699B

CN115816699B - Crushing and screening equipment based on rubber processing

Info

Publication number: CN115816699B
Application number: CN202211460817.8A
Authority: CN
Inventors: 唐瑶; 刘李富; 崔大勇
Original assignee: Mengla Golden Rubber Co ltd
Current assignee: Mengla Golden Rubber Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2025-09-30
Anticipated expiration: 2042-11-16
Also published as: CN115816699A

Abstract

The invention belongs to the technical field of rubber processing, and particularly relates to crushing and screening equipment based on rubber processing, which comprises a box body, wherein a crushing device is arranged at the upper part in the box body, a stirring device is rotatably arranged at the bottom end in the box body, a filter plate is arranged in the box body, the stirring device is positioned at the upper end of the filter plate, the stirring device comprises a plurality of plate-shaped stirring structures, the stirring structures rotate around the same rotating shaft along the inner wall of the box body, each stirring structure rotates around the axis of the stirring structure, a discharge hole is formed in one side of the box body above the filter plate, and a water source is filled in the box body and continuously overflows from the discharge hole. According to the invention, the rubber balls are stirred and sieved at full angles in the first time after the rubber is crushed, the material discharge is not blocked, the sieving efficiency and the cleanliness are greatly improved, and the arrangement of a cleaning and sieving mechanism on the whole rubber processing line is reduced.

Description

Crushing and screening equipment for rubber processing

Technical Field

The invention belongs to the technical field of rubber technology processing, and particularly relates to crushing and screening equipment for rubber processing.

Background

Early rubber is a latex obtained from plants such as rubber tree, rubber grass, etc., and is processed to produce a material having elasticity, insulation, water-tightness and air-tightness. The crushing and screening device for rubber processing is one of rubber processing equipment, and the first procedure of rubber processing is to crush, filter, clean and knead the solidified primary rubber by using the crushing device, then granulate the primary rubber into granular rubber material by using a granulator, and finally dry the mature rubber by using a drying device.

At present, the screening efficiency of the crushing and screening device for rubber processing is low, particles such as sand and stone which are stained and bonded on the crushed rubber clusters cannot be screened timely, and therefore the impurities cannot be screened out at the first time when a vibrating screen auxiliary screening mechanism is used subsequently, and the efficiency is too low.

The utility model discloses a broken screening installation of energy-saving based on rubber processing, its structure includes the fixed pin, the feeder hopper, the driving wheel, the bin gate, the mount, the motor, strain the storehouse, the fixed pin is fixed in straining the upper left end surface of storehouse, with its nested connection, feeder hopper and straining storehouse upper end welded connection, the driving wheel is fixed respectively in straining the storehouse left and right sides both ends, the driving wheel passes through the belt and links to each other with the motor, mount upper surface and straining storehouse both sides bolted connection, strain the storehouse front end and be connected with the bin gate is articulated, strain the storehouse and include the breaker, the feed inlet, the discharge gate, the drainage groove, the screener, the feed inlet is fixed in the upper right position of breaker, drainage groove and discharge gate are embedded fixedly connected. The general rubber crushing device is similar to the rubber crushing device in principle, and is filtered through a screening mechanism (a filter bin, a filter screen and the like) after crushing, or a vibrating motor is arranged on the filter screen, so that the filtering and impurity removing effect is enhanced.

But directly filter through structures such as filter house, filter screen after the breakage, screening efficiency is too low, can not thoroughly clear away the impurity such as sand and gravel that glues on the rubber group to still need set up very to washing on the whole rubber processing line, screening mechanism sieves the rubber after the breakage, very surprise place space and material resources, increased manufacturing cost.

Disclosure of Invention

The invention provides crushing and screening equipment for rubber processing, which aims to solve the problems that after crushing, a rubber crushing and screening device in the prior art is directly filtered through structures such as a filter bin and a filter screen, the screening efficiency is too low, and impurities such as sand, gravel and the like adhered on a rubber ball cannot be thoroughly removed, so that a cleaning and screening mechanism is required to be arranged on the whole rubber processing line to screen the crushed rubber, the space and material resources of a site are wasted, and the production cost is increased.

In order to achieve the above purpose, the technical scheme provided by the invention is as follows:

the crushing and screening device based on rubber processing comprises a box body, wherein a crushing device is arranged at the upper part in the box body, a stirring device is rotatably arranged at the inner bottom end of the box body, a filter plate is arranged in the box body, the stirring device is positioned at the upper end of the filter plate, the stirring device comprises a plurality of plate-shaped stirring structures, the stirring structures rotate around the same rotating shaft along the inner wall of the box body, each stirring structure rotates around the axis of the stirring structure, a discharge hole is formed in one side of the box body above the filter plate, and a water source is filled in the box body and continuously overflows from the discharge hole.

Preferably, the stirring structure is a flat plate, and a plurality of water filtering holes are formed in the flat plate.

Preferably, the plurality of flat plates are arranged around the axis of the flat plates in a mutually staggered and fixed angle.

Preferably, the stirring structure comprises at least one flat plate and at least one helical blade, and the feeding direction of the helical blade is from the center of the box to the outer wall of the box.

Preferably, the flat plate is provided with one, the spiral blade is provided with two, and three stirring structures are circumferentially and uniformly distributed in the inner cavity of the box body.

Preferably, when the flat plate rotates to be vertical to the liquid level in the box body, the upper end of the flat plate is higher than the liquid level.

Preferably, the crushing device comprises a cutter shaft and a cutter head arranged on the cutter shaft, and a plurality of cutters are uniformly distributed on the circumference of the cutter head.

Preferably, the bottom end of the box body is provided with a slag outlet, a valve is arranged on the slag outlet, and the bottom end of the inner cavity of the box body is provided with a conical part with the middle protruding upwards.

Preferably, the stirring device further comprises a rotary drum and a hollow shaft, the stirring structures are rotatably arranged on the circumference of the rotary drum, the end part of each stirring structure is connected with a first bevel gear, a second bevel gear is rotatably arranged in the rotary drum, the first bevel gears are respectively connected with the second bevel gears in a meshed mode, the second bevel gears are connected with the mandrel, a first gear is connected on the mandrel, a gear tooth surface is arranged on the inner wall of the rotary drum, the first gear is connected with the gear tooth surface in a meshed mode, the rotary drum is rotatably arranged on the upper end face of the hollow shaft, and the tail end of the mandrel extends out of the inner cavity of the hollow shaft to the bottom end of the box body and is connected with the driving mechanism.

Preferably, the discharge port is connected with a vibrating screen, and the bottom of the vibrating screen is provided with a slag collecting tank.

The invention has the following advantages and beneficial effects:

1. According to the invention, a water source is introduced into the box body, the filter plate is arranged in the box body, the crushed rubber clusters fall into water, the rubber clusters are separated from sand, gravel and soil along with the stirring of the stirring device, the separated sand, gravel and soil are deposited below the filter plate, and the rubber clusters are suspended in the water above the filter plate. The stirring device comprises a plurality of plate-shaped stirring structures, wherein the stirring structures rotate around the same rotating shaft along the inner wall of the box body, so that rubber clusters can be stirred and sieved in the box body in a rotating mode, the stirring and sieving are carried out simultaneously to a discharge port, the functions of stirring, sieving and discharging materials are achieved along with water flowing out, secondly, each stirring structure rotates around the axis of the stirring structure, the plate-shaped stirring structures can rotate around the axis of the stirring structure for 360 degrees, the space above a filter plate can be stirred, the sinking bottom and the rubber clusters floating on the water surface are enabled to be stirred back and forth, continuous suspension and stirring of the rubber clusters are always guaranteed, and when the rubber clusters are stirred and suspended on the water surface and pushed to the discharge port by the stirring structure, discharging is achieved along with water overflowed from the discharge port. By means of the design, the rubber clusters are stirred and sieved at full angles in the first time after the rubber is crushed, the materials are not blocked, the sieving efficiency and the cleanliness are greatly improved, and accordingly the setting of a cleaning and sieving mechanism on the whole rubber processing line is reduced.

2. In the invention, a stirring structure is designed, the stirring structure comprises at least one flat plate and at least one spiral blade, and the feeding direction of the spiral blade is from the center of the box to the outer wall of the box. By means of the design, the stirring structure can rotate around the box body, stirring, screening and feeding are achieved, the flat plate rotates around the axis of the flat plate, the space above the filter plate is stirred, the rubber clusters at the bottom and floating on the water surface are enabled to be stirred back and forth, continuous suspension and stirring of the rubber clusters are always guaranteed, the spiral blades move in a spiral mode, the floating materials are conveyed to the inner wall of the box body from the center of the box body, the stirring structure is pushed to the discharge port, quick discharging of the rubber materials is achieved, and the problems that blocking materials and the materials in the center of the box body cannot be discharged timely, excessive stirring and cleaning are caused, and the cleanliness of the whole materials is uneven are effectively avoided.

Drawings

FIG. 1 is a front view of a crushing and screening device for rubber-based processing, provided by the invention;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at a;

FIG. 5 is an enlarged view of a portion of FIG. 3 at b;

FIG. 6 is an enlarged view of a portion of FIG. 3 at c;

FIG. 7 is a cross-sectional view taken along the direction B-B in FIG. 5;

FIG. 8 is a first block diagram of the stirring device provided by the invention;

FIG. 9 is a second construction diagram of the stirring device provided by the invention;

FIG. 10 is a third block diagram of the stirring device provided by the invention;

The icons are 1-slag collecting tank, 11-first mounting seat, 12-bracket, 13-second mounting seat, 2-first motor, 21-reduction gearbox, 211-third gear, 212-fourth gear, 213-third bevel gear, 214-fourth bevel gear, 3-hollow shaft, 31-supporting part, 4-box, 4 a-liquid level, 41-discharge hole, 42-conical part, 43-water inlet pipe, 44-slag discharging pipe, 45-valve, 5-hopper, 51-filter bucket, 6-vibrating screen, 61-flange, 7-second motor, 71-cutter shaft, 72-bearing seat, 73-cutter head, 8-filter plate, 9-rotary drum, 91-first bevel gear, 92-flat plate, 921-water filtering hole, 93-second bevel gear, 94-first gear, 95-second gear, 96-gear tooth face, 97-spindle and 10-helical blade.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

As shown in FIG. 1, the crushing and screening equipment for rubber processing comprises a box body 4, wherein a hopper 5 is arranged on the upper portion of the box body 4, and the inner cavity of the hopper 5 is communicated with the inner cavity of the box body 4.

As shown in fig. 3, a semicircular filter bucket 51 is detachably arranged at the bottom end of the hopper 5, a crushing device is arranged in the inner cavity of the filter bucket 51, and rubber materials put in from the hopper 5 fall from the filter bucket 51 to the inner cavity of the box body 4 after being crushed by the crushing device.

As shown in fig. 2 and 3, as a preferable arrangement of the present invention, the crushing device specifically includes a second motor 7, a cutter shaft 71, a bearing seat 72, and a cutter disc 73 mounted on the cutter shaft 71, where the second motor 7 is fixed on a second mounting seat 13 on the side of the box 4, and a plurality of cutters are uniformly distributed on the circumference of the cutter disc 73. The cutter disc 73 and the cutter are positioned in the inner cavity of the filter bucket 51, two ends of the cutter shaft 71 are rotatably arranged on the box body 4 and fixedly connected through the bearing seat 72, one end of the cutter shaft 71 is connected with the second motor 7 for transmission, and crushing and cutting are realized through the rotary motion of the second control cutter shaft 71.

As shown in fig. 3, 5 and 6, the bottom end in the box 4 is rotatably provided with a stirring device, the box 4 is also internally provided with a filter plate 8, the filter plate 8 divides the box 4 into an upper cavity and a lower cavity, the cavity at the upper end of the filter plate 8 is used for placing broken rubber blocks, and the cavity at the lower end of the filter plate 8 is used for depositing various impurities such as sand and stone. The stirring device is located filter plate 8 upper end, and the stirring device includes a plurality of platelike stirring structure, and a plurality of stirring structure is rotatory along box 4 inner wall around same pivot, and every stirring structure is rotatory motion around self axis. A discharge port 41 is arranged on one side of the box body 4 above the filter plate 8, a water inlet pipe 43 is arranged above the box body 4 and used for filling water sources into the box body 4 and enabling the water sources to uninterruptedly overflow in the discharge port 41, and water overflows from the discharge port 41 to drive rubber blocks to discharge.

The bottom end of the box body 4 is provided with a slag hole, a slag outlet pipe 44 is arranged on the slag hole, a valve 45 is arranged on the slag outlet pipe 44 and used for discharging impurities such as sand, sludge and the like in the box body 4 and the bottom cavity of the filter plate 8, the bottom end of the inner cavity of the box body 4 is provided with a conical part 42 with the middle protruding upwards, and the impurities in the box body 4 can be conveniently discharged through the arrangement of the conical part 42, so that impurity deposition is avoided.

The stirring structure comprises a plurality of stirring structures, a stirring mechanism and a filter plate 8, wherein the stirring structures are arranged at the center of a circle of the box body 4 and rotate around the same rotating shaft along the inner wall of the box body 4, the stirring mechanisms stir rubber blocks in water and push the rubber blocks into a discharge hole 41, so that the water and the rubber blocks are discharged together, namely the stirring structures realize the stirring, cleaning and discharging functions of the rubber blocks, each stirring structure can rotate around the axis of the stirring structure, namely the stirring structures rotate around the axis of the stirring structure when the stirring structures rotate around the inner wall of the box body 4, so that the stirring structures stir and stir a mixture (water, rubber blocks, sand and the like) in a cavity on the filter plate 8, the cleaning of the rubber materials is thoroughly realized, meanwhile, the rubber materials and the sand and the like are prevented from being deposited on the filter plate 8, the rubber materials are always guaranteed to be overturned and suspended on the water surface, and the rubber materials after stirring and cleaning can be timely discharged, and the problems that the discharge hole 41 and the rubber materials and the sand and the like are blocked filter plate 8 are avoided.

As shown in fig. 3, 4, 5 and 7, the stirring device according to the invention further comprises a drum 9 and a hollow shaft 3. The stirring structures are supported by bearings and are rotatably arranged on the circumference of the rotary drum 9, the end part of each stirring structure is connected with a first bevel gear 91, the first bevel gears 91 are positioned in the inner cavity of the rotary drum 9, a second bevel gear 93 is rotatably arranged in the rotary drum 9 by the bearings, and the first bevel gears 91 are respectively meshed with the second bevel gears 93. The bottom of the second bevel gear 93 is fixedly connected with a mandrel 97, the mandrel 97 is connected with a first gear 94, the inner wall of the rotary drum 9 is provided with a gear tooth surface 96, three second gears 95 are uniformly meshed with the circumference of the gear tooth surface 96, and the three second gears 95 are respectively meshed with the first gear 94. The upper end of the hollow shaft 3 is provided with a supporting part 31, the inner cavity of the supporting part 31 is connected with the outer wall of the rotary drum 9 through a bearing, so that the rotary drum 9 rotates around the supporting part 31, and the tail end of the mandrel 97 extends downwards from the inner cavity of the hollow shaft 3 to the bottom end of the box body 4 and is connected with a driving mechanism.

As shown in fig. 4, the driving mechanism comprises a first motor 2 and a reduction gearbox 21, a third gear 211, a fourth gear 212, a third bevel gear 213 and a fourth bevel gear 214 are rotatably arranged in the reduction gearbox 21, the third gear 211 is in meshed connection with the fourth gear 212, the third bevel gear 213 is in meshed connection with the fourth bevel gear 214, the second motor 7 is in transmission connection with the third gear 211, the fourth gear 212 is in transmission connection with the third bevel gear 213, and the fourth bevel gear 214 is in transmission connection with the mandrel 97, so that the mandrel 97 can be driven to rotate through the first motor 2.

The working principle is that when the first motor 2 is started, the mandrel 97 rotates to drive the first gear 94 to rotate, the first gear 94 drives the second gear 95 to rotate, finally the second gear 95 drives the rotary drum 9 to rotate, so that the stirring structure rotates around the inner wall of the box body 4, meanwhile, the mandrel 97 drives the second bevel gear 93 to rotate, the second bevel gear 93 rotates to drive the first bevel gear 91 to rotate, and finally the stirring structure rotates around the axis of the mandrel.

As shown in FIG. 8, as one of the arrangement modes of the invention, the stirring structure is a flat plate 92, and the height of the flat plate 92 is larger than the height from the filter plate 8 to the liquid level 4a, so that when the flat plate 92 turns around the axis of the flat plate 92, the rubber material in the whole cavity above the filter plate 8 can be thoroughly driven, and the rubber material on the filter plate 8 can be turned and suspended on the water surface. The flat plate 92 is provided with a plurality of water filtering holes 921, so that in the stirring process, separation of rubber material, water, sand and other impurities is realized, resistance of the flat plate 92 is reduced, and one end of the flat plate 92 is connected with the first bevel gear 91. In the figure, the number of flat plates 92 is two and disposed opposite to each other. However, the number of the flat plates 92 is not limited thereto, and in the present invention, a plurality of flat plates 92 may be provided. The arrow shown in fig. 8 is the direction in which the plate 92 rotates.

Further, the plurality of flat plates 92 are mounted at fixed angles with respect to each other about their own axes. When two plates 92 are provided, the two plates 92 are installed with a 90 degree offset, as shown in fig. 8, when one plate 92 is rotated to be level with the liquid surface (at this time, the water filtering holes 921 are exposed to be observed), the other plate 92 is vertically arranged. Through the staggered arrangement, the stirring and cleaning effects can be further enhanced, the disturbance in water is increased, and the rubber materials can be always stirred by the flat plate 92 and pushed to the discharge port 41 for discharging.

As shown in fig. 10, as another arrangement of the present invention, the stirring structure comprises at least one flat plate 92 and at least one spiral blade 10, wherein the flat plate 92 is connected with one end of the spiral blade 10 and each first bevel gear 91, and the feeding direction of the spiral blade 10 is from the center of the case 4 to the outer wall of the case 4. In the figure, the number of flat plates 92 and the number of helical blades 10 are each provided one and are arranged opposite to each other. The number of the flat plates 92 and the spiral blades 10 is not limited thereto, and may be specifically set according to actual conditions. The dashed arrows shown in fig. 9 are the directions in which the flat plate 92 and the helical blade 10 rotate. The invention further increases the disturbance by arranging the helical blade 10, ensures the stirring effect, and simultaneously, the feeding direction of the helical blade 10 is from the center of the box body 4 to the outer wall of the box body 4, so that the rubber material in the center and the center of the box body 4 can be disturbed and conveyed to the inner wall of the box body 4 all the time, as shown by solid arrows in fig. 9. Such design, further strengthen stirring, screening's function, simultaneously, let the rubber material can carry the box 4 inner wall, and then by the propelling movement to the discharge gate 41 go up the ejection of compact, can effectively avoid putty and the discharge that box 4 central authorities material can not be timely, lead to excessive stirring washing and the inhomogeneous problem of whole material abluent cleanliness.

As one preferable arrangement, as shown in FIG. 10, the flat plate 92 is provided with one, the helical blade 10 is provided with two, and three stirring structures are circumferentially and uniformly distributed in the inner cavity of the box body 4.

In the present invention, as shown in fig. 6, when the flat plate 92 is rotated to be perpendicular to the liquid surface 4a in the tank 4, the upper end of the flat plate 92 is set higher than the liquid surface 4 a. Such a design is because the rubber is suspended on the water surface, and therefore it is necessary to ensure that the plate 92 is at the highest position (i.e., when the plate 92 is rotated to be perpendicular to the liquid surface 4a in the tank 4), the suspended rubber can be raised to a certain height, so that the rubber can be pushed into the discharge port 41 without omission.

Further, be connected with shale shaker 6 on the discharge gate 41, the both sides of shale shaker 6 are provided with flange 61 and prevent that the rubber material from dropping, and shale shaker 6 bottom is provided with album slag bath 1, and the mixture of rubber and water that comes out from discharge gate 41 is vibrated again, is washd the screening through shale shaker 6, and grit, sewage etc. then fall into album slag bath 1. Wherein, the bottom of the box body 4 is provided with a bracket 12, the bracket 12 is fixed on the slag collecting tank 1, and the sludge impurities discharged from the slag discharging pipe 44 directly fall into the slag collecting tank 1.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Crushing screening equipment is used based on rubber processing, including box (4), upper portion is provided with breaker in box (4), the rotatable agitating unit that is provided with of bottom in box (4), its characterized in that:

a filter plate (8) is arranged in the box body (4), and the stirring device is positioned at the upper end of the filter plate (8);

the stirring device comprises a plurality of plate-shaped stirring structures, the stirring structures rotate around the same rotating shaft along the inner wall of the box body (4), and each stirring structure rotates around the axis of the stirring structure;

A discharge port (41) is formed in one side of the box body (4) above the filter plate (8), water sources are filled in the box body (4) and continuously overflow out of the discharge port (41);

the stirring structure comprises at least one flat plate (92) and at least one spiral blade (10), and the feeding direction of the spiral blade (10) is from the center of the box body (4) to the outer wall of the box body (4);

the flat plate (92) is provided with two spiral blades (10), and three stirring structures are circumferentially and uniformly distributed in the inner cavity of the box body (4);

When the flat plate (92) rotates to be perpendicular to the liquid level (4 a) in the box body (4), the upper end of the flat plate (92) is higher than the liquid level (4 a).

2. The crushing and screening device for rubber processing according to claim 1, wherein the stirring structure is a flat plate (92), and a plurality of water filtering holes (921) are formed in the flat plate (92).

3. The crushing and screening device for rubber processing according to claim 2, wherein the plurality of flat plates (92) are installed around their own axis at a fixed angle with respect to each other.

4. The crushing and screening device for rubber processing according to claim 1, wherein the crushing device comprises a cutter shaft (71) and a cutter disc (73) arranged on the cutter shaft (71), and a plurality of cutters are uniformly distributed on the circumference of the cutter disc (73).

5. The crushing and screening device for rubber processing according to claim 1, wherein a slag outlet is formed in the bottom end of the box body (4), a valve (45) is arranged on the slag outlet, and a conical part (42) with an upward convex middle is arranged at the bottom end of an inner cavity of the box body (4).

6. The crushing and screening device for rubber processing according to claim 1, wherein the stirring device further comprises a rotary drum (9) and a hollow shaft (3), a plurality of stirring structures are rotatably arranged on the circumference of the rotary drum (9), a first bevel gear (91) is rotatably arranged at the end part of each stirring structure, a second bevel gear (93) is rotatably arranged in the rotary drum (9), a plurality of first bevel gears (91) are respectively connected with the second bevel gears (93) in a meshed mode, the second bevel gears (93) are connected with a mandrel (97), a first gear (94) is connected to the mandrel (97), a gear tooth surface (96) is arranged on the inner wall of the rotary drum (9), the first gear (94) is connected with the gear tooth surface (96), the rotary drum (9) is rotatably arranged on the upper end face of the hollow shaft (3), and the tail end of the mandrel (97) extends out of the inner cavity of the hollow shaft (3) to the bottom end of the box body (4) and is connected with a driving mechanism.

7. The crushing and screening device for rubber processing according to claim 1, wherein the discharge hole (41) is connected with a vibrating screen (6), and a slag collecting tank (1) is arranged at the bottom of the vibrating screen (6).