阅读说明：本技术 一种锤击式破碎机 (Hammering type crusher ) 是由 叶飞华 林少纯 于 2021-01-08 设计创作，主要内容包括：本发明公开一种锤击式破碎机,包括机体和机架,所述机体包括机壳和破碎机构,所述机壳包括上机壳和下机壳,下机壳固连在机架上,上机壳可与下机壳相互结合成整个机壳或打开上机壳,上机壳上部开设有进料口,下机壳下部开设有出料口；所述破碎机构包括主轴、破碎锤、安装销轴和多个安装盘,所述主轴枢接在下机壳上,多个安装盘间隔固连在主轴上并处于机壳的破碎腔内,多个安装盘在对应位置设有安装通孔,安装销轴穿设在多个安装盘对应的安装通孔上,破碎锤由锤柄和锤头连接而成,锤柄一端可活动套接在安装销轴上,锤头突出于安装盘外；主轴的一端伸出机壳外并连接第一驱动装置。本发明破碎锤更换维护方便,设备的利用率高且可靠性较好。(The invention discloses a hammering type crusher, which comprises a crusher body and a frame, wherein the crusher body comprises a casing and a crushing mechanism, the casing comprises an upper casing and a lower casing, the lower casing is fixedly connected to the frame, the upper casing and the lower casing can be mutually combined into a whole casing or the upper casing is opened, the upper part of the upper casing is provided with a feeding hole, and the lower part of the lower casing is provided with a discharging hole; the crushing mechanism comprises a main shaft, a crushing hammer, a mounting pin shaft and a plurality of mounting discs, the main shaft is pivoted on the lower shell, the mounting discs are fixedly connected to the main shaft at intervals and are positioned in a crushing cavity of the shell, mounting through holes are formed in the corresponding positions of the mounting discs, the mounting pin shaft penetrates through the mounting through holes corresponding to the mounting discs, the crushing hammer is formed by connecting a hammer handle and a hammer head, one end of the hammer handle is movably sleeved on the mounting pin shaft, and the hammer head protrudes out of the mounting discs; one end of the main shaft extends out of the shell and is connected with the first driving device. The breaking hammer is convenient to replace and maintain, and high in equipment utilization rate and good in reliability.)

1. The utility model provides a hammering formula breaker, includes organism and frame, its characterized in that: the machine body comprises a machine shell and a crushing mechanism, wherein the machine shell comprises an upper machine shell and a lower machine shell, the lower machine shell is fixedly connected to the machine frame, the upper machine shell and the lower machine shell can be combined into a whole machine shell or the upper machine shell is opened, the upper part of the upper machine shell is provided with a feeding hole, and the lower part of the lower machine shell is provided with a discharging hole;

the crushing mechanism comprises a main shaft, a crushing hammer, a mounting pin shaft and a plurality of mounting discs, the main shaft is pivoted on the lower shell, the mounting discs are fixedly connected to the main shaft at intervals and are positioned in a crushing cavity of the shell, mounting through holes are formed in the corresponding positions of the mounting discs, the mounting pin shaft penetrates through the mounting through holes corresponding to the mounting discs, the crushing hammer is formed by connecting a hammer handle and a hammer head, one end of the hammer handle is movably sleeved on the mounting pin shaft, and the hammer head protrudes out of the mounting discs; one end of the main shaft extends out of the shell and is connected with a first driving device.

2. A hammer crusher as claimed in claim 1, wherein: and limiting pins are arranged on the mounting discs on two sides of the mounting pin shaft, limiting buffer sleeves are sleeved on the limiting pins, and when the main shaft is started or stopped, the breaking hammer is in contact with the limiting buffer sleeves by utilizing the hammer handle so that the hammer head is not in contact with the mounting discs.

3. A hammer crusher as claimed in claim 1, wherein: the breaking hammer comprises a hammer head and a plurality of hammer handles, the hammer handles are connected with the hammer head along the same direction, each hammer handle comprises a circular tube body and a connecting rod, the hammer head is formed by connecting a cylinder and a cuboid, one end of each connecting rod is connected with the circular tube body, the other end of each connecting rod is connected with the cuboid on the hammer head, and the circular tube body is sleeved on the mounting pin shaft;

the first driving device comprises a first motor, a belt and a belt pulley transmission mechanism, the first motor is installed on the rack, and a driving shaft of the first motor is connected with one end of the main shaft through the belt and the belt pulley transmission mechanism.

4. A hammer crusher as claimed in claim 1, wherein: the upper shell is pivoted with a first auxiliary rotating shaft at the lower side close to the feeding hole, and one end of the first auxiliary rotating shaft extends out of the upper shell and is connected with a second driving device arranged outside the upper shell; at least one first pressing plate is fixedly connected to the first auxiliary rotating shaft, and materials fed into the feeding hole are driven to enter the crushing cavity of the machine shell in an auxiliary mode through rotation of the first pressing plate.

5. A hammer crusher as claimed in claim 4, wherein: one side of the upper shell is fixedly connected with a first support, the second driving device comprises a second motor, a first chain and a chain wheel transmission mechanism, the second motor is arranged on the first support, and a driving shaft of the second motor is connected with one end of the first auxiliary rotating shaft through the first chain and the chain wheel transmission mechanism;

the upper shell is pivoted with a second auxiliary rotating shaft at the feed inlet, the second auxiliary rotating shaft is positioned above the first auxiliary rotating shaft and is different from the first auxiliary rotating shaft, and one end of the second auxiliary rotating shaft extends out of the upper shell and is connected with a third driving device arranged outside the upper shell; the second auxiliary rotating shaft is fixedly connected with at least one second pressing plate, and the second pressing plate rotates to drive the material at the feeding hole to enter the machine shell in an auxiliary manner;

the other side of the upper shell is fixedly connected with a second support, the third driving device comprises a third motor, a second chain and a chain wheel transmission mechanism, the third motor is arranged on the second support, and a driving shaft of the third motor is connected with one end of the second auxiliary rotating shaft through the second chain and the chain wheel transmission mechanism.

6. A hammer crusher as claimed in claim 1, wherein: one side of the upper shell is hinged with one side of the lower shell, and the upper shell and the lower shell can be combined into a whole shell or the upper shell can be opened through the rotation of the upper shell relative to the lower shell;

one end of a jack is hinged on the frame, the other end of the jack is hinged with the upper shell, and/or a lifting lug is arranged on the outer side of the upper shell.

7. A hammer crusher as claimed in claim 1, wherein: two positioning grooves are formed in one side of the lower end of the upper shell, two positioning protrusions are formed in one side of the upper end of the lower shell, and the two positioning protrusions are matched with the two positioning grooves respectively when the upper shell and the lower shell are combined.

8. A hammer crusher as claimed in claim 1, wherein: the edge of the end face of the mounting disc closest to the inner side face of the machine shell is provided with a plurality of sections of arc-shaped convex parts at intervals.

9. A hammer crusher as claimed in claim 1, wherein: the inner surface of the upper shell is fixedly connected with an upper inner lining plate, the inner surface of the lower shell is fixedly connected with a lower inner lining plate, one lower inner lining plate on one side of the inner surface of the lower shell is an arc-shaped inner lining plate, the cross section of the arc-shaped inner lining plate is provided with a sawtooth structure, the arc-shaped inner lining plate is positioned in a crushing cavity of the shell, and the sawtooth structure is used for carrying out secondary crushing or repeated crushing on materials which are driven by a crushing hammer.

10. A hammer crusher as claimed in any one of claims 1 to 9, wherein: the mounting disc is provided with a plurality of rows of mounting through holes at intervals, the distances between the central axes of different mounting through holes in each row of the mounting through holes and the central axis of the main shaft are different, the mounting pin shaft penetrates through one mounting through hole in each row of the mounting through holes, and each mounting pin shaft is sleeved with at least one breaking hammer.

Technical Field

The invention relates to the technical field of crushers, in particular to a hammering type crusher.

Background

The hammering type crusher is widely applied to industries such as buildings, pharmacy, feeds, foods, coatings, chemical engineering and the like at present, has the advantages of wide universality, high production efficiency, low energy consumption, safe use, convenient maintenance and the like, and is favored by various industries.

Hammer crushers use the impact of their crushing hammers to crush the material. The material gets into the broken chamber of breaker from the feed inlet, suffers from the impact of the quartering hammer of high-speed gyration and is broken, but its quartering hammer of current hammering formula breaker adopts bolt fixed connection with rotating part usually, because the tup of quartering hammer is the vulnerable part, the change of quartering hammer just is more troublesome like this, has influenced the utilization ratio of equipment.

Disclosure of Invention

The invention aims to provide a hammering type crusher, wherein a crushing hammer of the hammering type crusher is convenient to replace and maintain, and the utilization rate of equipment is effectively improved; the equipment reliability is also better.

In order to achieve the purpose, the technical scheme of the invention is as follows: a hammering type crusher comprises a crusher body and a frame, wherein the crusher body comprises a casing and a crushing mechanism, the casing comprises an upper casing and a lower casing, the lower casing is fixedly connected to the frame, the upper casing and the lower casing can be combined into a whole casing or the upper casing is opened, a feeding hole is formed in the upper part of the upper casing, and a discharging hole is formed in the lower part of the lower casing;

the crushing mechanism comprises a main shaft, a crushing hammer, a mounting pin shaft and a plurality of mounting discs, the main shaft is pivoted on the lower shell, the mounting discs are fixedly connected to the main shaft at intervals and are positioned in a crushing cavity of the shell, mounting through holes are formed in the corresponding positions of the mounting discs, the mounting pin shaft penetrates through the mounting through holes corresponding to the mounting discs, the crushing hammer is formed by connecting a hammer handle and a hammer head, one end of the hammer handle is movably sleeved on the mounting pin shaft, and the hammer head protrudes out of the mounting discs; one end of the main shaft extends out of the shell and is connected with a first driving device.

The crushing hammer is further improved, limiting pins are arranged on the mounting discs on two sides of the mounting pin shaft, limiting buffer sleeves are sleeved on the limiting pins, and when the main shaft is started or stopped, the hammer handle is contacted with the limiting buffer sleeves so that the hammer head is not contacted with the mounting discs. Therefore, the impact sound generated when the crusher is started and stopped can be greatly reduced, and the mounting disc and the breaking hammer can be well protected.

The improved breaking hammer comprises a hammer head and a plurality of hammer handles, the hammer heads are connected along the same direction through the hammer handles, each hammer handle comprises a circular tube body and a connecting rod, each hammer head is formed by connecting a cylinder and a cuboid, one end of each connecting rod is connected with the cuboid on the circular tube body, the other end of each connecting rod is connected with the cuboid on the corresponding hammer head, and the circular tube bodies are sleeved on the mounting pin shafts. The area of tup is big like this, not only more stand wear and tear, and on the other hand tup part is like the better drive air current of sector, the flow of the material of being convenient for.

Preferably, the first driving device comprises a first motor, a belt and a belt pulley transmission mechanism, the first motor is installed on the rack, and a driving shaft of the first motor is connected with one end of the main shaft through the belt and the belt pulley transmission mechanism.

The improved structure is characterized in that the upper machine shell is pivoted with a first auxiliary rotating shaft at the lower side close to the feeding hole, and one end of the first auxiliary rotating shaft extends out of the upper machine shell and is connected with a second driving device arranged outside the upper machine shell; at least one first pressing plate is fixedly connected to the first auxiliary rotating shaft, and materials fed into the feeding hole are driven to enter the crushing cavity of the machine shell in an auxiliary mode through rotation of the first pressing plate. Can prevent like this card material, promote input speed, can prevent again that the broken intracavity of casing from the feed inlet blowout by broken material, promote crushing efficiency and safety in utilization.

Furthermore, one side of the upper shell is fixedly connected with a first support, the second driving device comprises a second motor, a first chain and a chain wheel transmission mechanism, the second motor is arranged on the first support, and a driving shaft of the second motor is connected with one end of the first auxiliary rotating shaft through the first chain and the chain wheel transmission mechanism;

the upper shell is pivoted with a second auxiliary rotating shaft at the feed inlet, the second auxiliary rotating shaft is positioned above the first auxiliary rotating shaft and is different from the first auxiliary rotating shaft, and one end of the second auxiliary rotating shaft extends out of the upper shell and is connected with a third driving device arranged outside the upper shell; the second auxiliary rotating shaft is fixedly connected with at least one second pressing plate, and the second pressing plate rotates to drive the material at the feeding hole to enter the machine shell in an auxiliary manner; this also allows for a more humid material to enter the enclosure reliably.

The other side of the upper shell is fixedly connected with a second support, the third driving device comprises a third motor, a second chain and a chain wheel transmission mechanism, the third motor is arranged on the second support, and a driving shaft of the third motor is connected with one end of the second auxiliary rotating shaft through the second chain and the chain wheel transmission mechanism.

The further improvement is that one side of the upper shell is hinged with one side of the lower shell, and the upper shell and the lower shell can be combined into a whole shell or the upper shell can be opened through the rotation of the upper shell relative to the lower shell;

one end of a jack is hinged on the frame, the other end of the jack is hinged with the upper shell, and/or a lifting lug is arranged on the outer side of the upper shell. This facilitates opening or closing the upper case.

In a further improvement, two positioning grooves are formed in one side of the lower end of the upper shell, two positioning protrusions are formed in one side of the upper end of the lower shell, and the two positioning protrusions are matched with the two positioning grooves respectively when the upper shell and the lower shell are combined. This allows the upper housing to be more securely coupled and positioned more accurately with the lower housing.

The improvement is further that the edge of the end face of the mounting plate closest to the inner side face of the machine shell is provided with a plurality of sections of arc-shaped convex parts at intervals. The material between the end face of the mounting disc at the outermost side and the inner side face of the casing can be driven to move through the multi-section arc-shaped convex parts, abrasion between the end face of the mounting disc at the outermost side and the inner side face of the casing can be prevented, and the main shaft is ensured to rotate more smoothly.

The crushing device is further improved in that an upper inner lining plate is fixedly connected to the inner surface of the upper shell, a lower inner lining plate is fixedly connected to the inner surface of the lower shell, one lower inner lining plate on one side of the inner surface of the lower shell is an arc-shaped inner lining plate, a saw-tooth structure is arranged on the cross section of the arc-shaped inner lining plate, the arc-shaped inner lining plate is located in a crushing cavity of the shell, and the saw-tooth structure is used for performing secondary crushing or repeated crushing on materials which are driven by the. Therefore, the abrasion of the shell can be prevented, and the crushing of materials can be well assisted.

The improved breaking hammer is characterized in that a plurality of rows of mounting through holes are formed in the mounting disc at intervals, the distance between the central axis of different mounting through holes in each row of mounting through holes and the central axis of the main shaft is different, the mounting pin shaft penetrates through one mounting through hole in each row of mounting through holes, and at least one breaking hammer is sleeved on each mounting pin shaft. The installation quantity and the mounted position of quartering hammer all can adjust like this, can change the dynamics of striking and the number of times to the material, can better adjust the broken fineness of material.

On one hand, the upper shell can be opened; on the other hand, the mounting pin shaft penetrates through the mounting through hole of the mounting disc, the breaking hammer is formed by connecting a hammer handle and a hammer head, one end of the hammer handle is sleeved on the mounting pin shaft in a movable sleeving manner, and the hammer head protrudes out of the mounting disc. Therefore, when the breaking hammer needs to be replaced, the upper shell is opened, the mounting pin shaft is detached, and the breaking hammer can be conveniently taken out or replaced. Therefore, the utilization rate of the equipment can be effectively improved, and the maintenance cost of the equipment is reduced.

In addition, because the breaking hammer is in a movable state relative to the mounting pin shaft, the hammering amplitude of the breaking hammer is large, and the breaking hammer also has a certain abdicating function, so that the breaking hammer is beneficial to breaking, the main shaft can be prevented from being blocked, and the reliability of equipment is improved.

Drawings

FIG. 1 is a perspective view of a first embodiment of the present invention;

FIG. 2 is a top view of the first embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a front view of a first embodiment of the invention with portions hidden from view;

FIG. 5 is a perspective view of another angle of the first embodiment of the present invention;

FIG. 6 is a perspective view of a crushing mechanism according to a first embodiment of the invention;

fig. 7 is a perspective view of a demolition hammer according to a first embodiment of the invention;

FIG. 8 is a perspective view of the first auxiliary shaft coupled to two first pressing plates according to the first embodiment of the present invention;

FIG. 9 is a perspective view of the first embodiment of the present invention with the housing opened;

FIG. 10 is a perspective view of a second embodiment of the present invention;

fig. 11 is a perspective view of the second embodiment of the present invention with the upper housing opened.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In a first embodiment, as shown in fig. 1 to 9, a hammer crusher includes a crusher body 100 and a frame 200, where the crusher body 100 includes a casing 1 and a crushing mechanism 2, the casing 1 includes an upper casing 11 and a lower casing 12, the lower casing 12 is fixedly connected to the frame 200, one side of the upper casing 11 is hinged to one side of the lower casing 12, the upper casing 11 and the lower casing 12 can be combined into the whole casing 1 or the upper casing 11 is opened by rotating the upper casing 11 relative to the lower casing 12, a feeding port 111 is formed in an upper portion of the upper casing 11, a discharging port 121 is formed in a lower portion of the lower casing 12, and a specific setting position of the discharging port 121 can be set according to a discharging position;

the crushing mechanism 2 comprises a main shaft 21, a crushing hammer 22, a mounting pin shaft 23 and a plurality of mounting discs 24, the main shaft 21 is pivoted on the lower machine shell 12, the mounting discs 24 are fixedly connected to the main shaft 21 at intervals and are positioned in the crushing cavity 1a of the machine shell 1, the mounting holes 241 are formed in the corresponding positions of the mounting discs 24, the mounting pin shaft 23 penetrates through the mounting holes 241 corresponding to the mounting discs 24, the crushing hammer 22 is formed by connecting a hammer handle 221 and a hammer head 222, one end of the hammer handle 221 can be movably sleeved on the mounting pin shaft 23, and the hammer head 222 protrudes out of the mounting discs 24; one end of the main shaft 21 extends out of the machine shell 1 and is connected with a first driving device 3, the first driving device 3 comprises a first motor 31, a belt and a belt pulley transmission mechanism 32, the first motor 31 is installed on the machine frame 200, and a driving shaft of the first motor 31 is connected with one end of the main shaft 21 through the belt and the belt pulley transmission mechanism 32.

The mounting disc 24 is provided with a plurality of rows of mounting through holes 241 at intervals, the distances between the central axes of different mounting through holes 241 in each row of mounting through holes 241 and the central axis of the main shaft 21 are different, the mounting pin shaft 23 penetrates through one mounting through hole 241 in each row of mounting through holes 241, and each mounting pin shaft 23 is sleeved with two breaking hammers 22.

The mounting discs 24 on two sides of the mounting pin shaft 23 are provided with limiting pins 25, the limiting pins 25 are arranged on the corresponding mounting through holes 241 of the mounting discs 24 in a penetrating manner, the limiting pins 25 are sleeved with limiting buffer sleeves 26, the limiting buffer sleeves 26 can be nylon sleeves, and when the main shaft 21 is started or stopped, the breaking hammer 22 is in contact with the limiting buffer sleeves 26 through the hammer handle 221 so that the hammer head 222 is not in contact with the mounting discs 24. Therefore, the hitting sound in the starting and stopping states can be effectively reduced, and the hammer head 222 and the mounting disc 24 can be effectively protected.

The breaking hammer 22 comprises a hammer head 222 and two hammer handles 221, the two hammer handles 221 are connected with the hammer head 222 along the same direction, each hammer handle 221 comprises a circular tube 2211 and a connecting rod 2212, the hammer head 222 is formed by connecting a cylinder 2221 and a cuboid 2222, one end of the connecting rod 2212 is connected with the circular tube 2211, the other end of the connecting rod 2212 is connected with the cuboid 2222 on the hammer head 222, one end of the connecting rod 2212 is provided with a through hole for the circular tube 2211 to pass through and be welded together, the other end of the connecting rod 2212 is provided with a U-shaped groove which is sleeved with the cuboid 2222 on the hammer head 222 and then welded together, and the circular tube 2211 is;

the upper machine shell 11 is pivoted with a first auxiliary rotating shaft 4 at the lower side close to the feeding hole 111, and one end of the first auxiliary rotating shaft 4 extends out of the upper machine shell 11 and is connected with a second driving device 5 arranged outside the upper machine shell 11; two sides of the first auxiliary rotating shaft 4 are fixedly connected with a first pressing plate 41 respectively, the two first pressing plates 41 are fixedly connected to the first auxiliary rotating shaft 4 through a plurality of anchor ears 411 and a plurality of bolts, and materials which rotate the auxiliary driving feed inlet 111 through the first pressing plates 41 enter the crushing cavity 1a of the machine shell 1 and are prevented from being sprayed out from the feed inlet 111 after being crushed. This prevents material jamming on the one hand and prevents the breaking hammer 22 from driving material out of the feed opening 111 on the other hand.

One side of the upper housing 11 is fixedly connected with a first bracket 112, the second driving device 5 comprises a second motor 51, a first chain and chain wheel transmission mechanism 52, the second motor 51 is installed on the first bracket 112, and a driving shaft of the second motor 51 is connected with one end of the first auxiliary rotating shaft 4 through a speed reducer 53 and the first chain and chain wheel transmission mechanism 52.

One end of a jack 6 is hinged on the frame 200, the other end is hinged with the upper casing 11, and a lifting lug 113 is further arranged on the outer side of the upper casing 11.

Two positioning grooves 114 are formed in one side of the lower end of the upper housing 11, two positioning protrusions 122 are formed in one side of the upper end of the lower housing 12, and the two positioning protrusions 122 are respectively matched with the two positioning grooves 114 when the upper housing 11 and the lower housing 12 are combined.

The edge of the end face of the mounting plate 24 closest to the inner side face of the casing 1 is provided with a plurality of arc-shaped convex parts 242 at intervals.

An upper inner lining plate 115 is fixedly connected to the inner surface of the upper machine shell 11, a lower inner lining plate 123 is fixedly connected to the inner surface of the lower machine shell 12, and the upper inner lining plate 115 and the lower inner lining plate 123 are made of wear-resistant and impact-resistant materials; as further shown in fig. 3 and 9, one lower inner lining plate 123 on the inner surface side of the lower casing 12 on the right side of the main shaft 21 is an arc-shaped inner lining plate, the cross section of which is provided with a saw-toothed structure, the arc-shaped inner lining plate is positioned in the crushing cavity 1a of the casing 1, and the saw-toothed structure is matched with the material hit by the crushing hammer 22 to perform secondary crushing or multiple crushing.

When the crusher is used in the embodiment, the first motor 31 is started, the driving shaft of the first motor 31 drives the main shaft 21 to rotate at a high speed through the belt and the belt pulley transmission mechanism 32, the main shaft 21 drives the mounting disc 24 and all the crushing hammers 22 to rotate at a high speed, materials to be crushed, such as building garbage, stones, feed raw materials and the like, are fed from the feeding hole 111, the materials enter the crushing cavity 1a of the housing 1 and are hit and crushed through the hammers 222 of the crushing hammers 22, the materials are bounced to the upper inner lining plate 115 and the lower inner lining plate 123 to be crushed for a second time, particularly, the materials are bounced to the arc-shaped inner lining plate with the zigzag structure and can be crushed by the sharp-peak-shaped blades, and then the crushed materials are discharged from the discharging. In the crushing process, a driving shaft of the second motor 51 drives the first auxiliary rotating shaft 4 to rotate through the speed reducer 53 and the chain and sprocket transmission mechanism 52, the first auxiliary rotating shaft 4 drives the two first pressing plates 41 to rotate circularly, and the two first pressing plates 41 drive the material of the feeding hole 111 to enter the crushing cavity 1a of the casing 1 and block the crushed material from being ejected out of the feeding hole 111.

If the crushing fineness of the material is required to be changed, the crushing fineness can be changed by increasing or decreasing the number of the crushing hammers 22, adjusting the installation positions of the crushing hammers 22 and adjusting the rotating speed of the first motor 31.

When the hammer head 222 of the breaking hammer 22 is worn, the upper housing 11 is opened by using the jack 6 or the lifting lug 113, the corresponding mounting pin shaft 23 is detached, the breaking hammer 22 which cannot be reused after the hammer head 222 is worn can be conveniently taken out, a new breaking hammer 22 is replaced, and then the upper housing 11 is closed for reuse. The equipment has short downtime and high utilization rate.

In a second embodiment, fig. 10 and 11, a hammer crusher is different from the first embodiment in that: the upper machine shell 11 is also pivoted with a second auxiliary rotating shaft 7 at the feed inlet 111, the second auxiliary rotating shaft 7 is positioned above the first auxiliary rotating shaft 4 and is different from the first auxiliary rotating shaft 4, and one end of the second auxiliary rotating shaft 7 extends out of the upper machine shell 11 and is connected with a third driving device 8 arranged outside the upper machine shell 11; the second auxiliary rotating shaft 7 is fixedly connected with two second pressing plates 71, and the materials at the feeding hole 111 are driven to enter the machine shell 1 in an auxiliary manner through the rotation of the second pressing plates 71;

the other side of the upper housing 11 is fixedly connected with a second bracket 116, the third driving device 8 comprises a third motor 81, a second chain and chain wheel transmission mechanism 82, the third motor 81 is installed on the second bracket 116, and a driving shaft of the third motor 81 is connected with one end of the second auxiliary rotating shaft 7 through a second speed reducer 83 and the second chain and chain wheel transmission mechanism 82.

Therefore, the materials are firstly driven to enter the machine shell 1 through the rotation of the two second pressing plates 71, and then are driven to enter the crushing cavity 1a of the machine shell 1 through the rotation relay of the two first pressing plates 41 for crushing, so that even the wet materials can reliably enter the crushing cavity 1a of the machine shell 1 for crushing, the blockage of the materials at the feeding hole 111 is prevented, and the crushing efficiency can also be improved. The second auxiliary rotating shaft 7 rotates in a different direction from the first auxiliary rotating shaft 4.

As can be further seen from fig. 10 and 11, the second driving device 5 and the third driving device 8 are disposed on two sides of the upper housing 11, and the upper housing 11 and other components thereon are reasonably weighted, which is beneficial for the jack 6 to open the upper housing 11 and increase stability.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.