CN111632685B

CN111632685B - Natural rubber processing technology

Info

Publication number: CN111632685B
Application number: CN202010538947.3A
Authority: CN
Inventors: 秦依凤; 王亚威
Original assignee: Jiangsu Shengnaipute New Material Co ltd
Current assignee: Jiangsu shengnaipute New Material Co.,Ltd.
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2022-03-22
Anticipated expiration: 2040-06-13
Also published as: CN111632685A

Abstract

The invention belongs to the technical field of natural rubber processing production, and particularly relates to a natural rubber processing technology, wherein a hammer mill used in the processing technology comprises a machine body, a motor and a hammer; the front end face of the machine body is fixedly connected with a motor; a rotor is rotatably connected inside the machine body; the surface of the rotor is fixedly connected with uniformly arranged mounting columns; a hammer is connected to the surface of the mounting column in a free rotating manner; the surface of the rotor is provided with sliding blocks which are uniformly distributed; the elastic film is connected between the sliding blocks, so that the precise hammer mill is effectively realized, the fragmentation rate of rubber materials is higher, the size of fragmented particles is smaller, the problem of impact of hammer positioning on a movement mechanism can be effectively avoided, and the service life of the hammer mill is greatly prolonged.

Description

Natural rubber processing technology

Technical Field

The invention belongs to the technical field of natural rubber processing and production, and particularly relates to a natural rubber processing technology.

Background

The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, can recover the original shape after the external force is removed, belongs to a completely amorphous polymer, and has low glass transition temperature and large molecular weight which is more than hundreds of thousands.

The rubber is divided into two types, namely natural rubber and synthetic rubber, the natural rubber is prepared by extracting colloid from plants such as rubber trees, rubber grasses and the like and then processing the colloid, the synthetic rubber is obtained by polymerizing various monomers, and the rubber product is widely applied to the industry or the life.

According to CN104816397A a natural rubber processing technology, when processing natural rubber, in order to wash, rub and remove impurity to the sizing material, often use the hammer mill, hammer mill among the prior art, drive the hammer that its surface was evenly arranged through the inside rotor of hammer mill and rotate, the hammer is because for free rotation state, can appear swinging when the hammer meets the resistance, realize the impact and the shearing of hammer mill to the sizing material, and then obtain the sizing material of broken state, but because the hammer is free rotation state, when the hammer meets great resistance or when accomplishing the hammer mill in the hammer mill process, great swing phenomenon all can appear in the hammer, and then the hammer can produce serious collision problem with the erection column of fixed hammer.

In view of this, in order to overcome the above technical problems, the present company has designed and developed a natural rubber processing technology, which uses a special hammer mill to solve the above technical problems.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that in a hammer mill in the prior art, a rotor in the hammer mill drives hammers uniformly arranged on the surface of the hammer mill to rotate, the hammers swing when encountering resistance due to the fact that the hammers are in a free rotation state, so that the hammer mill can impact and shear rubber, and further rubber in a broken state is obtained, but because the hammers are in a free rotation state, when the hammers encounter large resistance or complete hammer milling in the hammer milling process, the hammers can swing greatly, and further the hammers can seriously collide with an installation column for fixing the hammers, the invention provides a natural rubber processing technology.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a natural rubber processing technology, which comprises the following steps:

s1: sequentially putting large blocks of rubber materials into a hammer mill, simultaneously spraying water for washing, crushing the rubber materials through the rotation of a hammer in a machine body, filtering out impurities and ash substances along with flowing water in the shearing and kneading processes, and primarily crushing the large blocks of rubber materials; through the hammer grinding of the hammer mill, the rubber material has higher pulverization rate and smaller particle size, and is convenient for the kneading and impurity removal of the rubber material.

S2: the rubber material discharged from the hammer mill enters an extruder, is further kneaded and sheared, and is washed by water spraying, so that the rubber material is further crushed and mixed, and impurities and ash in the rubber material are further removed; the rubber material after hammer milling can be further refined, crushed and mixed through the extruder, and the washing effect is promoted through further crushing.

S3: the rubber material after the first extrusion enters a second extruder for second extrusion, and the rubber material after the second extrusion passes through a crepe machine and is creped for the second time; the surface of the sizing material has set textures through the crepe, so that the drying and drying efficiency of the sizing material is facilitated.

S4: placing the rubber material subjected to crepe by a crepe machine into a granulator for granulation, further crushing the rubber material, further removing ash and impurities to improve the purity and consistency of the rubber material, placing the granulated rubber material into drying equipment for drying, and weighing and packaging the dried rubber material;

the hammer mill used in the S1 comprises a machine body, a motor and a hammer; the machine body is designed into a cuboid structure; a working cavity is formed in the machine body; the upper surface of the machine body is provided with a feeding hole; a switch plate is rotatably connected to the surface of the machine body at the position of the feed port; a filter plate is arranged in the machine body and close to the bottom of the machine body, and the filter plate is designed to be a concave arc surface structure; the front end surface of the machine body is fixedly connected with an air inlet pipe at the lower position of the filter plate; a discharge box is arranged on the left side surface of the machine body and close to the upper surface of the machine body; the front end face of the machine body is fixedly connected with a motor; the front side wall and the rear side wall of the machine body are connected with a same rotor at the position of the working cavity in a rotating mode, and the rotor is fixedly connected with an output shaft of the motor; the outer cambered surface of the rotor is fixedly connected with fixing rings which are uniformly arranged; uniformly arranged mounting columns are fixedly connected between every two adjacent fixing rings; the surfaces of the mounting columns are rotatably connected with hammers which are uniformly arranged, and gaps are reserved among the hammers; hammers of two adjacent mounting columns are alternately arranged; the surface of the rotor is fixedly connected with sliding chutes which are uniformly distributed; the sliding blocks are connected inside the sliding grooves in a sliding mode; a first spring is arranged between the sliding block and the bottom of the corresponding sliding groove; when the hammer mill is in a free rotation state, when the hammer encounters large resistance or finishes hammer milling in the hammer milling process, the hammer can swing greatly, and further the hammer can generate serious collision with a mounting column for fixing the hammer, so that the service life of the hammer mill is reduced, meanwhile, the crushing effect of the hammer mill on the rubber material is weaker, the traditional rotor shaft is in a fixed diameter state, and the diameter of the rotor is smaller in order to avoid the hammer, the invention relates to a natural rubber processing technology, which has the advantages that the internal space of a hammer mill is larger, and the rubber material cannot be sufficiently hammered, through the hammer mill used in the processing technology, when the rubber material needs to be hammered, firstly, a power supply is switched on, a motor is started, an output shaft of the motor drives a rotor to rotate, the rotor further drives a hammer on the surface of the rotor to rotate, the hammer is freely and rotatably connected with a corresponding mounting column, under the action of centrifugal force, the hammer can rotate and is distributed in a radial direction, the distance between two adjacent mounting columns is designed to exceed the length of the hammer, so that the hammer can freely rotate on the surface of the mounting column, after the hammer mill is completed, the hammer can automatically turn to a vertical state, the problems that the hammer collides with the surface of the mounting column for a long time when the hammer is limited are avoided, and the hammer can rotate around the mounting column for one circle, the hammer needs a larger rotating space, and when the rotor rotates, the slide block can slide towards the outside of the rotor under the action of centrifugal force, so that the whole diameter of the rotor is automatically adjusted, the space of hammer grinding is greatly reduced, and the hammer grinding effect is improved.

Preferably, the same elastic membrane is fixedly connected between all the sliding blocks close to the side face of the sliding block, which is far away from the rotor, and the elastic membrane is made of soft rubber material; when the rubber material block crusher works, the elastic film is arranged, so that the rubber material block after fragmentation is prevented from entering between two adjacent sliding blocks, the sliding blocks are prevented from being blocked, the normal movement of the sliding blocks is influenced, and the problem of collision between the sliding blocks and a hammer is easily caused.

Preferably, when the rotor rotates at a high speed, the hammer is provided with a notch at the side surface of one side facing the clockwise rotation direction; the inner parts of the cutting grooves are connected with cutting blocks in a sliding manner; second springs which are uniformly arranged are fixedly connected between the cutting block and the bottom of the corresponding cutting groove; during operation, through setting up the stripping and slicing at the single face of hammer, through the inside motion of stripping and slicing at the grooving, when hammer and sizing material bump, the hammer can take place the swing, and the stripping and slicing of hammer inside can be because the quick derivation of inertia effect corresponds the grooving, realizes the cutting to the sizing material, increases the shearing effect to the sizing material simultaneously.

Preferably, the surface of the mounting column and a gap between the two hammers are symmetrically provided with baffle grooves; the inner parts of the baffle grooves are all connected with baffle blocks in a sliding manner; the first telescopic rods are fixedly connected between the stop blocks and the bottoms of the corresponding stop grooves, and the first telescopic rods are mutually connected with the insides of the sliding grooves at the corresponding positions; the during operation, when the rotor rotates, the hammer takes place the swing because the resistance action, when the resistance is great, the upset of round takes place easily for the hammer, because the slider at this moment all stretches out the spout state, the hammer can produce the collision with the slider, set up the dog through the surface at the erection column, slide in the inside of keeping off the groove through the dog, when the slider corresponds the spout because the effect of centrifugal force and roll-off, the inside atmospheric pressure of spout changes, and then can drive the flexible of first telescopic link, make the dog roll-off correspond the keeping off the groove, when the hammer takes place the swing this moment, the dog can carry out effectual separation to the hammer, realize the protection to the slider.

Preferably, the inside of each sliding groove is connected with a connecting block in a sliding manner, and the side faces of the connecting blocks, which are opposite to the side faces of the corresponding sliding grooves on the bottom of the sliding groove, are fixedly connected with the first springs; second telescopic rods are fixedly connected between the connecting blocks and the corresponding sliding blocks, and the second telescopic rods are connected with the corresponding first telescopic rods; during operation, through setting up the second telescopic link, through mutually supporting between second telescopic link and the first spring, when the slider is because the effect roll-off spout of centrifugal force, at first can tensile first spring, after the rotor rotates the continuous increase, the extension of second telescopic link, the second telescopic link and then drive the first telescopic link extension that corresponds, realize that the dog roll-off corresponds and keep off the groove, prolonged the dog roll-off and kept off the groove through above-mentioned mechanism, avoided the dog to hinder the normal extension of hammer.

Preferably, the surfaces of the stop blocks are provided with slow grooves; the interior of each slow groove is connected with a slow block in a sliding manner; third telescopic rods are arranged between the sliding blocks and the bottoms of the corresponding slow grooves, and the third telescopic rods are connected with the corresponding first telescopic rods; during operation, through setting up the piece of slowing, when the piece that slows receives the rotor striking, the elastic piece that slows in the one hand can play the cushioning effect, and the piece that slows on the other hand can slide in the inside in groove of slowing, and then can compress the third telescopic link that corresponds, and the third telescopic link and then can drive the abundant jack-up of first telescopic link avoids the dog to receive the kick-back groove after the striking, leads to the function failure problem of dog.

The invention has the following beneficial effects:

1. according to the natural rubber processing technology, the hammer mill used in the processing technology is provided with the machine body, the motor and the hammer, the hammer freely rotates on the surface of the mounting column, and the slide blocks are uniformly arranged on the surface of the rotor, so that fine hammer milling is effectively realized, the fragmentation rate of rubber materials is higher, the size of fragmented particles is smaller, the problem of impact of hammer positioning on a moving mechanism can be effectively avoided, and the service life of the hammer mill is greatly prolonged.

2. According to the natural rubber processing technology, the hammer mill used in the processing technology is provided with the first telescopic link of the stop block, the stop block slides in the blocking groove, when the slide block slides out of the corresponding slide groove due to the action of centrifugal force, the internal air pressure of the slide groove changes, the first telescopic link is driven to stretch, the stop block slides out of the corresponding blocking groove, and when the hammer swings, the stop block can effectively block the hammer, so that the slide block is protected.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a process flow diagram of the present invention;

FIG. 2 is an external view of a hammer mill used in the present invention;

FIG. 3 is a perspective view of the components of the rotor of the hammermill used in the present invention;

FIG. 4 is a top plan view of a component of a rotor of a hammermill for use with the present invention;

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;

FIG. 6 is a cross-sectional view at B-B in FIG. 4;

FIG. 7 is an enlarged partial view at C of FIG. 5;

FIG. 8 is an enlarged partial view at D of FIG. 6;

in the figure: the device comprises a machine body 1, a switch plate 11, a filter plate 12, an air inlet pipe 13, a discharge box 14, a motor 2, a rotor 21, a fixing ring 22, a mounting column 23, a sliding block 24, a first spring 25, an elastic membrane 26, a connecting block 27, a second telescopic rod 28, a hammer 3, a cutting block 31, a second spring 32, a stop block 33, a first telescopic rod 34, a buffer block 35 and a third telescopic rod 36.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 8, the processing technology of natural rubber according to the present invention includes the following steps:

s1: sequentially putting large blocks of rubber materials into a hammer mill, simultaneously spraying water for washing, crushing the rubber materials through the rotation of a hammer 3 in a machine body 1, filtering out impurities and ash substances along with flowing water in the shearing and kneading processes, and primarily crushing the large blocks of rubber materials; through the hammer grinding of the hammer mill, the rubber material has higher pulverization rate and smaller particle size, and is convenient for the kneading and impurity removal of the rubber material.

the hammer mill used in the S1 comprises a machine body 1, a motor 2 and a hammer 3; the machine body 1 is designed to be of a cuboid structure; a working cavity is formed in the machine body 1; a feeding hole is formed in the upper surface of the machine body 1; a switch plate 11 is rotatably connected to the surface of the machine body 1 at the position of the feed inlet; a filter plate 12 is arranged in the machine body 1 and close to the bottom of the machine body 1, and the filter plate 12 is designed to be a concave arc surface structure; an air inlet pipe 13 is fixedly connected to the front end surface of the machine body 1 below the filter plate 12; a discharge box 14 is arranged on the left side surface of the machine body 1 close to the upper surface of the machine body 1; the front end face of the machine body 1 is fixedly connected with a motor 2; the same rotor 21 is connected between the front side wall and the rear side wall of the machine body 1 at the position of the working cavity in a rotating mode, and the rotor 21 is fixedly connected with an output shaft of the motor 2; the outer arc surface of the rotor 21 is fixedly connected with fixing rings 22 which are uniformly arranged; the positions between two adjacent fixing rings 22 are fixedly connected with uniformly arranged mounting columns 23; the surfaces of the mounting columns 23 are all rotatably connected with hammers 3 which are uniformly arranged, and gaps are reserved among the hammers 3; the hammers 3 of two adjacent mounting columns 23 are alternately arranged; the surface of the rotor 21 is fixedly connected with sliding grooves which are uniformly distributed; the sliding blocks 24 are connected inside the sliding grooves in a sliding mode; a first spring 25 is arranged between the slide block 24 and the bottom of the corresponding sliding groove; when the hammer mill works, when natural rubber is processed, in order to wash, rub and remove impurities from a rubber material, a hammer mill is often used, in the hammer mill in the prior art, a rotor 21 in the hammer mill drives hammers 3 uniformly arranged on the surface of the hammer mill to rotate, the hammers 3 are in a free rotation state, when the hammers 3 encounter resistance, the hammers can swing, so that the impact and the shearing of the hammer mill on the rubber material are realized, and further the rubber material in a crushing state is obtained, but because the hammers 3 are in the free rotation state, when the hammers 3 encounter larger resistance or complete the hammer milling in the hammer milling process, the hammers 3 can swing greatly, and further the hammers 3 can generate serious collision problems with a mounting column 23 for fixing the hammers 3, so that the service life of the hammer mill is reduced, meanwhile, the crushing effect of the hammer mill on the rubber material is weaker, and the shaft of the traditional rotor 21 is in a fixed diameter state, in order to avoid the problems that the hammer 3 is small in diameter of the rotor 21, the inner space of the hammer mill is large, and further the rubber material cannot be sufficiently hammered, and the like, through the hammer mill used in the processing technology, when the rubber material needs to be hammered, firstly, a power supply is switched on, the motor 2 is started, an output shaft of the motor 2 can drive the rotor 21 to rotate, the rotor 21 further drives the hammer 3 on the surface of the rotor to rotate, the hammer 3 can rotate under the action of centrifugal force due to the fact that the hammer 3 is freely and rotatably connected with the corresponding mounting column 23, the hammer 3 is in a radially distributed state, the distance between two adjacent mounting columns 23 exceeds the length of the hammer 3, the hammer 3 can freely rotate on the surface of the mounting column 23, after the hammer milling is completed, the hammer 3 can automatically turn to a vertical state, and the problem that the hammer 3 collides with the surface of the mounting column 23 for a long time when the hammer 3 is limited is avoided, because the hammer 3 can rotate around the mounting column 23 for one circle, the rotation space required by the hammer 3 is larger, and the slide blocks 24 which are uniformly arranged are arranged on the surface of the mounting column 23, when the rotor 21 rotates, the slide blocks 24 can slide towards the outside of the rotor 21 under the action of centrifugal force, so that the automatic adjustment of the whole diameter of the rotor 21 is realized, the space of hammer grinding is greatly reduced, and the hammer grinding effect is improved.

As an embodiment of the present invention, the same elastic membrane 26 is fixedly connected between all the sliders 24 near the side of the slider 24 away from the rotor 21, and the elastic membrane 26 is made of soft rubber material; during operation, the elastic film 26 is arranged, so that the situation that the broken rubber blocks enter between two adjacent sliding blocks 24 to cause the sliding blocks 24 to be locked and influence the normal movement of the sliding blocks 24, and further the problem of collision between the sliding blocks 24 and the hammer 3 is easily caused is avoided.

In one embodiment of the present invention, when the rotor 21 is rotating at a high speed, the hammer 3 has a notch at a position on one side surface facing in the clockwise direction; the inner parts of the cutting grooves are all connected with cutting blocks 31 in a sliding way; second springs 32 which are uniformly arranged are fixedly connected between the cutting block 31 and the bottom of the corresponding cutting groove; during operation, through setting up cutting block 31 at the single face of hammer 3, through the inside motion of cutting block 31 at the grooving, when hammer 3 and sizing material bump, hammer 3 can take place the swing, and cutting block 31 in hammer 3 can be because the quick corresponding grooving of deriving of inertia effect, realizes the cutting to the sizing material, increases the shearing effect to the sizing material simultaneously.

As an embodiment of the present invention, a blocking groove is symmetrically formed on the surface of the mounting column 23 and the gap between the two hammers 3; the inner parts of the baffle grooves are all connected with baffle blocks 33 in a sliding way; the positions between the stop blocks 33 and the bottoms of the corresponding stop grooves are fixedly connected with first telescopic rods 34, and the first telescopic rods 34 are connected with the insides of the sliding grooves at the corresponding positions; in operation, when rotor 21 rotates, hammer 3 swings because of the resistance effect, when the resistance is great, the upset of round takes place easily for hammer 3, because slider 24 at this moment all stretches out the spout state, hammer 3 can produce the collision with slider 24, through set up dog 33 on the surface of erection column 23, slide in the inside of keeping off the groove through dog 33, when slider 24 because the effect of centrifugal force and roll-off correspond the spout, the inside atmospheric pressure of spout changes, and then can drive the flexible of first telescopic link 34, make dog 33 roll-off correspond the keeping off the groove, when hammer 3 takes place the swing this moment, dog 33 can carry out effectual separation to hammer 3, realize the protection to slider 24.

As an embodiment of the invention, the inside of each sliding chute is connected with a connecting block 27 in a sliding manner, and the side surfaces of the connecting blocks 27, which are opposite to the sides of the corresponding sliding chutes on the bottom of the sliding chutes, are fixedly connected with the first springs 25; the second telescopic rods 28 are fixedly connected between the connecting blocks 27 and the corresponding sliding blocks 24, and the second telescopic rods 28 are connected with the corresponding first telescopic rods 34; during operation, through setting up second telescopic link 28, through mutually supporting between second telescopic link 28 and the first spring 25, when slider 24 is because the effect roll-off spout of centrifugal force, at first can tensile first spring 25, rotate the continuous increase back when rotor 21, the extension of second telescopic link 28, second telescopic link 28 and then drive the extension of corresponding first telescopic link 34, realize that dog 33 roll-off corresponds the retaining groove, dog 33 roll-off retaining groove has been delayed through above-mentioned mechanism, the normal extension that dog 33 hinders hammer 3 has been avoided.

As an embodiment of the present invention, the surface of each stopper 33 is provided with a slow groove; the interior of each slow groove is connected with a slow block 35 in a sliding manner; third telescopic rods 36 are arranged between the sliding blocks 24 and the bottoms of the corresponding slow grooves, and the third telescopic rods 36 are connected with the corresponding first telescopic rods 34; during operation, through setting up the piece 35 of slowing down, when the piece 35 of slowing down received rotor 21 striking, elastic piece 35 of slowing down can play the cushioning effect on the one hand, and piece 35 of slowing down on the other hand can slide in the inside of slow groove, and then can compress corresponding third telescopic link 36, and third telescopic link 36 then can drive first telescopic link 34's abundant jack-up, avoids dog 33 to receive the backward blocking groove after the striking, leads to dog 33's functional failure problem.

The specific working process is as follows:

when the hammer mill is in work, when a rubber material needs to be hammered, firstly, a power supply is switched on, the motor 2 is started, an output shaft of the motor 2 drives the rotor 21 to rotate, the rotor 21 further drives the hammer 3 on the surface of the rotor to rotate, the hammer 3 can rotate under the action of centrifugal force and is distributed in a radial direction, the distance between two adjacent mounting columns 23 exceeds the length of the hammer 3, so that the hammer 3 can freely rotate on the surface of the mounting column 23, after the hammer mill is completed, the hammer 3 can automatically turn to a vertical state, the problems that the hammer 3 collides with the surface of the mounting column 23 for a long time when the hammer 3 is limited are avoided, and the like, because the hammer 3 can rotate for one circle around the mounting column 23, the required rotating space of the hammer 3 is large, and the sliding blocks 24 which are uniformly distributed are arranged on the surface of the mounting column 23, when the rotor 21 rotates, the sliding block 24 slides towards the outside of the rotor 21 under the action of centrifugal force, so that the automatic adjustment of the overall diameter of the rotor 21 is realized, the space of hammer milling is greatly reduced, and the hammer milling effect is improved; by arranging the elastic film 26, the problem that the broken rubber blocks enter between two adjacent sliding blocks 24 to cause the sliding blocks 24 to be blocked and influence the normal movement of the sliding blocks 24, so that the collision between the sliding blocks 24 and the hammer 3 is easily caused is avoided; by arranging the cutting block 31 on one side of the hammer 3 and moving the cutting block 31 in the groove, when the hammer 3 collides with the rubber material, the hammer 3 can swing, and the cutting block 31 in the hammer 3 can rapidly lead out the corresponding groove due to the inertia effect, so that the rubber material can be cut, and meanwhile, the shearing effect on the rubber material is increased; by arranging the stop 33 on the surface of the mounting column 23, the stop 33 slides in the blocking groove, when the slide block 24 slides out of the corresponding slide groove due to the action of centrifugal force, the internal air pressure of the slide groove changes, and further the first telescopic rod 34 is driven to stretch and retract, so that the stop 33 slides out of the corresponding blocking groove, and when the hammer 3 swings, the stop 33 can effectively block the hammer 3, and the slide block 24 is protected; through the arrangement of the second telescopic rod 28, when the sliding block 24 slides out of the sliding groove under the action of centrifugal force due to the mutual matching between the second telescopic rod 28 and the first spring 25, the first spring 25 is firstly stretched, and after the rotor 21 rotates and increases continuously, the second telescopic rod 28 extends, and the second telescopic rod 28 further drives the corresponding first telescopic rod 34 to extend, so that the stopper 33 slides out of the corresponding blocking groove, the stopper 33 is delayed to slide out of the blocking groove through the mechanism, and the stopper 33 is prevented from blocking the normal extension of the hammer 3; through setting up the piece 35 of slowing down, when the piece 35 of slowing down received rotor 21 striking, elastic piece 35 of slowing down can play the cushioning effect on the one hand, and piece 35 of slowing down on the other hand can slide in the inside of slow groove, and then can compress the third telescopic link 36 that corresponds, and third telescopic link 36 then can drive the abundant jack-up of first telescopic link 34, avoids dog 33 to receive the backward blocking groove after the striking, leads to dog 33's functional failure problem.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A natural rubber processing technology is characterized in that: the processing technology comprises the following steps:

s1: sequentially putting large blocks of rubber materials into a hammer mill, simultaneously spraying water for washing, crushing the rubber materials through the rotation of a hammer (3) in a machine body (1), filtering out impurities and ash substances along with flowing water in the shearing and kneading processes, and primarily crushing the large blocks of rubber materials;

s2: the rubber material discharged from the hammer mill enters an extruder, is further kneaded and sheared, and is washed by water spraying, so that the rubber material is further crushed and mixed, and impurities and ash in the rubber material are further removed;

s3: the rubber material after the first extrusion enters a second extruder for second extrusion, and the rubber material after the second extrusion passes through a crepe machine and is creped for the second time;

the hammer mill used in S1 comprises a machine body (1), a motor (2) and a hammer (3); the machine body (1) is designed to be of a cuboid structure; a working cavity is formed in the machine body (1); a feeding hole is formed in the upper surface of the machine body (1); a switch plate (11) is rotatably connected to the surface of the machine body (1) at the position of the feed inlet; a filter plate (12) is arranged at the position, close to the bottom of the machine body (1), in the machine body (1), and the filter plate (12) is designed to be of a concave arc surface structure; an air inlet pipe (13) is fixedly connected to the front end surface of the machine body (1) at the position below the filter plate (12); a discharge box (14) is arranged on the left side surface of the machine body (1) close to the upper surface of the machine body (1); the front end face of the machine body (1) is fixedly connected with a motor (2); the front side wall and the rear side wall of the machine body (1) are connected with a same rotor (21) at a working cavity position in a co-rotating manner, and the rotor (21) is fixedly connected with an output shaft of the motor (2); the outer arc surface of the rotor (21) is fixedly connected with fixing rings (22) which are uniformly arranged; uniformly arranged mounting columns (23) are fixedly connected between every two adjacent fixing rings (22); the surfaces of the mounting columns (23) are rotatably connected with hammers (3) which are uniformly arranged, and gaps are reserved among the hammers (3); the hammers (3) of two adjacent mounting columns (23) are alternately arranged; the surface of the rotor (21) is fixedly connected with sliding grooves which are uniformly distributed; the inner parts of the sliding grooves are all connected with sliding blocks (24) in a sliding manner; a first spring (25) is arranged between the sliding block (24) and the bottom of the corresponding sliding groove;

the side face of one side, close to the sliding block (24) and far away from the rotor (21), of each sliding block (24) is fixedly connected with the same elastic membrane (26), and each elastic membrane (26) is made of soft rubber materials;

when the rotor (21) is in a high-speed rotating state, the side surface positions of one side of the hammer (3) facing the clockwise rotating direction are all provided with a cutting groove; the inner parts of the cutting grooves are all connected with cutting blocks (31) in a sliding way; and second springs (32) which are uniformly arranged are fixedly connected between the cutting block (31) and the bottom of the corresponding cutting groove.