CN110935532A

CN110935532A - Rubber and plastic crusher

Info

Publication number: CN110935532A
Application number: CN201911322215.4A
Authority: CN
Inventors: 宁路生
Original assignee: Chongqing Ding Ding Pml Precision Mechanism Ltd
Current assignee: Chongqing Ding Ding Pml Precision Mechanism Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-03-31

Abstract

The invention discloses a rubber and plastic crusher, which comprises a feeding box assembly, wherein the lower end of the feeding box assembly is connected with a crushing box assembly, the lower end of the crushing box assembly is connected with a screen assembly, the crushing box assembly comprises a crushing box with an upper end and a lower end which are both open, the crushing box is communicated with the feeding box assembly, a cutter frame shaft is arranged on the crushing box in a rotating mode, a plurality of cutter frames penetrate through the cutter frame shaft, movable blades are uniformly distributed on the cutter frames along the circumferential direction of the cutter frames, the cutter frames are arranged around the circumferential direction of the cutter frame shaft in a staggered mode, a fixed blade is further arranged on the crushing box, and the cutter frame shaft drives the movable blades to be matched with the fixed blade to crush materials when rotating. The invention disperses the impact load generated during material crushing, prolongs the service life of the cutter and the device, avoids repeated feeding and crushing and improves the material crushing and cutting efficiency.

Description

Rubber and plastic crusher

Technical Field

The invention relates to the technical field of rubber and plastic crushing equipment, in particular to a rubber and plastic crusher.

Background

A rubber-plastic crusher is a machine for crushing water gap materials and waste materials of plastics or rubber, and is convenient for recycling the plastics or rubber. The existing pulverizer comprises a straight barrel type pulverizing chamber, wherein a feed inlet is formed in the front end of the pulverizing chamber, a discharge outlet is formed in the rear end of the pulverizing chamber, a plurality of cutter discs with the same size are sequentially arranged in the pulverizing chamber in a penetrating mode through a rotating shaft, and an impeller is arranged at the feed inlet of the rotating shaft; the rotating shaft is fixedly arranged on the frame through bearing seats arranged at two ends of the rotating shaft respectively. The crusher has the following problems in the use process: 1. materials entering from the feeding hole pass through the crushing chamber under the action of centrifugal force generated by rotation of the impeller and are crushed by the cutter heads in sequence, but because the plurality of crushing cutter heads are arranged on the rotating shaft in parallel, the materials are often not crushed by the next cutter head after being hit by the first crushing cutter head and are sucked to the outlet under the action of the centrifugal force, and the crushed materials are often re-put for re-crushing due to the fact that the particle size of the crushed materials does not meet the requirement, so that the material crushing efficiency is low; 2. because the cutter head collides with the materials repeatedly in the operation process, a large amount of heat can be generated in the crushing chamber, if the continuous processing operation is long, the high temperature of the crusher body can be caused by the large amount of accumulated heat, and the normal service life of the cutter head and the normal service life of the crusher can be greatly shortened.

Disclosure of Invention

Aiming at the technical problems existing at present, the invention provides a rubber-plastic crusher to solve various problems caused by structural limitation in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a rubber and plastic rubbing crusher, includes feeding case assembly, and this feeding case assembly lower extreme is connected with smashes the case assembly, should smash case assembly lower extreme and be connected with the screen assembly, smash the case assembly and include the equal open crushing case of upper end and lower extreme, should smash the case with feeding case assembly intercommunication, it is provided with the knife rest axle to rotate on the crushing case, and this knife rest is epaxial to wear to be equipped with a plurality of knife rests, has the moving blade along its circumference evenly distributed on this knife rest, and is a plurality of the knife rest winds the setting of staggering of circumference of knife rest axle still be provided with the fixed blade on the crushing case, the knife rest axle drives when rotating the moving blade cooperatees with the fixed blade and smashes the material.

Above-mentioned technical scheme, the material gets into from feeding case assembly and smashes the case assembly during use, then get into the screen cloth assembly after smashing in smashing the case assembly, simultaneously because the knife section on a plurality of knife rests is the setting of staggering on the knife rest is epaxial in this device, the knife section on the knife rest of relevant position does not be on a straight line promptly, the material can be smashed by other knife sections when through smashing once when deviating owing to centrifugal force effect, the impact load who produces when having dispersed the material crushing on the one hand, the life of cutter and device has been prolonged, on the other hand has improved the comminuted cutting efficiency.

Preferably, the tool rest comprises a tool rest main body sleeved on the tool rest shaft, three installation parts are uniformly arranged on the tool rest main body along the circumferential direction of the tool rest main body, and the movable blade is installed on each installation part.

Preferably, the fixed blade is provided with a plurality of waist-shaped holes, and the fixed blade is adjustably fixed in the crushing box by passing bolts through the waist-shaped holes.

This scheme sets up waist type hole on the stationary blade, is connected the moving blade with crushing case through the bolt, and the position of accessible bolt adjustment moving blade can carry out the sharpening when stationary blade produces wearing and tearing or with blunt back, but repetitious usage has prolonged the life of moving blade, reduction use cost.

Preferably, a material collecting box is arranged at the lower end of the crushing box and is arranged on the rack.

This scheme, directly fall into the case that gathers materials through the screen cloth after the material is smashed, be convenient for collect the material after smashing.

Preferably, the feeding box assembly comprises a feeding box communicated with the crushing box, a feeding hopper is arranged on the feeding box, an outer material baffle plate is arranged at the position where the feeding hopper is connected with the feeding box, the upper end of the outer material baffle plate is fixed on the feeding box, and the lower end of the outer material baffle plate is a free end.

According to the scheme, the material enters through the feed hopper and then falls into the feed box after impacting the outer retainer plate.

Preferably, an inner material baffle plate is further arranged in the feeding box, the upper end of the inner material baffle plate is fixed on the feeding box, and the lower end of the inner material baffle plate is a free end.

This scheme forms the buffering to the material through interior striker plate, avoids the material to gush in the twinkling of an eye after the feeding case can not smashed by the standing horse and cause the jam.

Preferably, soundproof cotton is further arranged in the feeding box.

Preferably, a first lug and a first connecting hole are arranged at the lower end of the feeding box, a second lug and a third lug are arranged on the crushing box corresponding to the first lug and the first connecting hole, a pin shaft penetrates through the first lug and the second lug, and the first connecting hole is connected with the third lug through a quincunx screw.

This scheme, wear to establish the round pin axle and will smash case and feeding case and couple together through connecting between first connecting hole and third journal stirrup in plum blossom screw rod, first journal stirrup and the second journal stirrup during normal use, can overturn the feeding case around the round pin axle when smashing the back, conveniently clear up remaining material and maintain the clearance to smashing the case assembly.

Preferably, the screen assembly comprises a screen frame connected to the lower end of the crushing box, the upper end and the lower end of the screen frame are both arranged to be of an open structure, and an arc-shaped screen is arranged on the screen frame.

Preferably, a flywheel is mounted on one end of the tool post shaft extending out of the crushing box.

According to the scheme, the flywheel is arranged, so that the vibration generated during crushing is effectively absorbed, and the using effect is improved. Compared with the prior art, the invention has the beneficial effects that: according to the invention, the tool rests are arranged on the tool rest shaft in a staggered manner, namely the movable blades on the tool rests at corresponding positions are not on the same straight line, and the tool rests are integrally claw-shaped tools after being installed, so that materials can be crushed by other movable blades under the action of centrifugal force after being crushed once, impact load generated during material crushing is dispersed, the service lives of the tools and the device are prolonged, repeated feeding and crushing are avoided, and the material crushing and cutting efficiency is improved.

Description of the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic view of the feed box of FIG. 1 after rotation about a shaft connected to the crushing box;

FIG. 4 is a schematic view of the feed box of FIG. 1;

FIG. 5 is a schematic structural view of the shredder mechanism of FIG. 1;

FIG. 6 is an internal cross-sectional view of FIG. 5;

FIG. 7 is a schematic view of the top cover plate of the crush box of FIG. 5 with the top cover removed;

FIG. 8 is a schematic view of the mechanism of FIG. 1 with the movable blade mounted on the holder shaft;

fig. 9 is a schematic view of the construction of the tool holder of fig. 8.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The rubber-plastic crusher shown in the attached figures 1-9 comprises a frame 5, wherein a plurality of universal wheels are arranged at the lower end of the frame 5, the universal wheels are convenient to move, a material collecting box 4 is arranged on the frame 5, a screen assembly is connected to the position, located right above the material collecting box 4, on the frame 5, a crushing box assembly is connected right above the screen assembly, and a feeding box assembly is connected right above the crushing box assembly. A driving motor 6 is arranged on the frame 4, and the driving motor 6 is connected with the crushing box assembly through a belt transmission mechanism.

As can be seen from fig. 4 in combination with fig. 1 and 2, the above feeding box assembly includes a feeding box 11, a feeding hopper 12 is provided on the feeding box 11, the material enters the feeding box 11 from the feeding hopper 12, an outer baffle plate 13 is provided at a position where the feeding hopper 12 is connected to the feeding box 11, an upper end of the outer baffle plate 13 is fixed on the feeding box 11, a lower end thereof is a free end, the outer baffle plate 13 can semi-close the feeding port, soundproof cotton 15 is further provided in the feeding box 11, an inner baffle plate 14 is further provided in the feeding box 11, an upper end of the inner baffle plate 14 is fixed on the feeding box 11, a lower end thereof is a free end, and a lower end of the inner baffle plate 14 is in contact with the soundproof cotton 15 when no material enters.

Be provided with first journal stirrup 16 and first connecting hole 17 at the lower extreme of feed box 11, be provided with second journal stirrup 26 and third journal stirrup 28 in the position that corresponds first journal stirrup 16 and first connecting hole 17 on smashing the case 20, wear to be equipped with round pin axle 7 in this first journal stirrup 16 and the second journal stirrup 26, connect through the plum blossom screw rod between this first connecting hole 17 and the third journal stirrup 28 to this is connected feed box 11 and crushing case 20, and feed box 11 can rotate around round pin axle 7 under the exogenic action simultaneously.

As can be seen from fig. 5-9 in conjunction with fig. 1, the above-mentioned crushing box assembly includes a crushing box 20 with an upper end and a lower end both open, the crushing box 20 is communicated with the feeding box 11, a knife rest shaft 21 is rotatably disposed on the box body of the crushing box 20, both ends of the knife rest shaft 21 extend out of the crushing box 20, while a flywheel 25 is mounted at the extended end, a belt with a transmission mechanism is connected to the belt pulley, a plurality of knife rests 22 are disposed on the knife rest shaft 21, the knife rests 22 are sequentially distributed along the axial direction of the knife rest shaft 21, and the knife rests 22 are staggered around the circumference of the knife rest shaft 21, the knife rest 22 includes a knife rest main body 220 sleeved on the knife rest shaft 22, three mounting portions 221 are uniformly disposed on the knife rest main body 220 along the circumference thereof, each mounting portion 221 is mounted with a moving blade 23, the moving blades 23 on the knife rest 22 are not on the same straight line after the knife rest main body 220 is staggered around the circumference of the knife rest shaft 21, the whole looks like a claw-type structure.

Two groups of fixed blades 24 are also arranged in the crushing box 20, and when the tool rest shaft 21 rotates, the movable blade 23 is driven to rotate and then is matched with the fixed blades 24 to crush the materials. Specifically, a plurality of kidney-shaped holes 240 are formed in the fixed blade 24, the kidney-shaped holes 240 extend in an axial direction perpendicular to the holder shaft 21, and bolts 241 are inserted into the kidney-shaped holes 240 to telescopically fix the fixed blade 24 in the pulverizing box 20. The stationary blade 24 is adjusted inwardly when the stationary blade 24 is sharpened after dulling or wearing.

The screen assembly comprises a screen frame 30 connected to the lower end of the crushing box 20, specifically, a fourth lug 27 is arranged at the position close to the lower end of the outer periphery of the crushing box, a connecting plate 32 is arranged at the corresponding position of the screen frame 30, the connecting plate 32 is connected with the fourth lug 27 through a quincunx screw, meanwhile, the other side of the crushing box 20 and the screen frame 30 is also connected through a second pin shaft 34, and the second pin shaft 34 is arranged at the opposite side of the connecting plate 32 and the fourth lug 27. The upper end and the lower extreme of this screen frame 30 all set to open structure, are provided with the sieve bend 31 on this screen frame 30, and the case 5 that gathers materials is located under the sieve bend 31, falls into the case 5 that gathers materials through sieve bend 31 after the material crushing.

During the use, the material gets into from feeder hopper 12 and strikes feed box 11 behind outer striker plate 13 and the interior striker plate 14, get into crushing case 20 in, driving motor 6 drives the rotation of tool rest axle 21, it cuts crushing to drive the rotatory back movable blade 23 of tool rest 22 and the cooperation of stationary blade 24 to the material, simultaneously because in this device the movable blade 23 on a plurality of tool rests 22 is epaxial the setting that staggers of tool rest, the movable blade 23 on the tool rest of relevant position does not be on a straight line promptly, the material can be smashed by other movable blades 23 when the centrifugal force effect is skew after once smashing like this, the impact load that produces when having dispersed the material on the one hand, the life of cutter and device has been prolonged, on the other hand has improved the comminuted cutting efficiency greatly.

The foregoing describes preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a rubber and plastic rubbing crusher, includes feeding case assembly, and this feeding case assembly lower extreme is connected with crushing case assembly, and this crushing case assembly lower extreme is connected with screen assembly, its characterized in that: smash case assembly and include the equal open case (20) of smashing of upper end and lower extreme, should smash case (20) with feeding case assembly intercommunication, it is provided with knife rest axle (21) to rotate on smashing case (20), wears to be equipped with a plurality of knife rests (22) on this knife rest axle (21), and it has movable blade (23) to go up along its circumference evenly distributed on this knife rest (22), and is a plurality of knife rest (22) wind the setting of staggering of circumference of knife rest axle (21) still be provided with stationary blade (24) on smashing case (20), it drives when knife rest axle (21) rotate movable blade (23) cooperate with stationary blade (24) and smash the material.

2. The rubber-plastic crusher as claimed in claim 1, wherein: knife rest (22) establish including the cover knife rest main part (220) on knife rest axle (22), evenly be provided with three installation department (221) along its circumference on this knife rest main part (220), all install on each installation department (221) moving blade (23).

3. A rubber-plastic crusher according to claim 1 or 2, characterized in that: the fixed blade (24) is provided with a plurality of waist-shaped holes (240), and bolts (241) are arranged in the waist-shaped holes (240) in a penetrating way so as to adjustably fix the fixed blade (24) in the crushing box (20).

4. The rubber-plastic crusher as claimed in claim 3, wherein: a material collecting box (4) is arranged at the position of the lower end of the crushing box (20), and the material collecting box (4) is arranged on the rack (5).

5. The rubber-plastic crusher as claimed in claim 1, wherein: the feeding box assembly comprises a feeding box (11) communicated with the crushing box (20), a feeding hopper (12) is arranged on the feeding box (11), an outer material baffle plate (13) is arranged at the position where the feeding hopper (12) is connected with the feeding box (11), the upper end of the outer material baffle plate (13) is fixed on the feeding box (11), and the lower end of the outer material baffle plate is a free end.

6. The rubber-plastic crusher as claimed in claim 5, wherein: an inner material baffle plate (14) is further arranged in the feeding box (11), the upper end of the inner material baffle plate (14) is fixed on the feeding box (11), and the lower end of the inner material baffle plate is a free end.

7. The rubber-plastic crusher as claimed in claim 6, wherein: soundproof cotton (15) is also arranged in the feeding box (11).

8. The rubber-plastic crusher as claimed in claim 7, wherein: feed box (11) lower extreme is provided with first journal stirrup (16) and first connecting hole (17) smash the position that corresponds this first journal stirrup (16) and first connecting hole (17) on case (20) and be provided with second journal stirrup (26) and third journal stirrup (28), wear to be equipped with round pin axle (7) in this first journal stirrup (16) and second journal stirrup (26), connect through the plum blossom screw rod between this first connecting hole (17) and third journal stirrup (28).

9. The rubber-plastic crusher as claimed in claim 1, wherein: the screen assembly is including connecting screen frame (30) of smashing case (20) lower extreme, and the upper end and the lower extreme of this screen frame (30) all set to open structure, are provided with arc screen cloth (31) on this screen frame (30).

10. The rubber-plastic crusher as claimed in claim 1, wherein: and a flywheel (25) is arranged at one end of the cutter frame shaft (21) extending out of the crushing box (20).