CN108704715B

CN108704715B - Plastic crushing equipment

Info

Publication number: CN108704715B
Application number: CN201810645819.1A
Authority: CN
Inventors: 蒋定春
Original assignee: Huizhou Zhongsuwang Plastic Products Co ltd
Current assignee: Huizhou Zhongsuwang Plastic Products Co ltd
Priority date: 2018-06-21
Filing date: 2018-06-21
Publication date: 2020-06-30
Anticipated expiration: 2038-06-21
Also published as: CN108704715A

Abstract

The invention provides plastic crushing equipment which comprises a shell, a crushing mechanism, an auxiliary mechanism and a sieve plate. The shell is provided with a crushing cavity, a feeding hole and a discharging hole, and the crushing cavity, the feeding hole and the discharging hole are all communicated. The crushing mechanism comprises a main shaft, a motor, a lining plate, a plurality of first serrated knives, a plurality of second serrated knives and a plurality of hammer disks. Through each quartering hammer, first serrated knife, second serrated knife, the combined action of welt to the plastics waste material, make plastics impacted crushing, and through the drive of rotor plate, make the plastics in broken intracavity be driven the top repeatedly, fall into crushing mechanism and carry out the breakage, make crushing effect better, sieve out the broken plastics that break into certain size through sieve flitch, for example, the less plastics crushed aggregates of size is favorable to in the operation to its melting after the breakage, make the fusing speed faster etc..

Description

Plastic crushing equipment

Technical field put

The invention relates to crushing equipment, in particular to plastic crushing equipment.

Background

The crusher is a material crushing device and is widely applied to industries such as metallurgy, mine, chemical industry, cement and the like. In many industries, a large amount of raw materials and recyclable waste materials need to be processed by a crusher, and the crusher is required to crush plastics to the size of crushed materials required by the next operation. The hammer crusher mainly completes the operation of crushing materials by impact energy, when the hammer crusher works, the motor drives the main shaft to rotate at a high speed, the materials enter a crushing cavity and are impacted and sheared and torn by the high-speed rotary hammer head to be crushed, most of the hammer crushers in the prior art are fixedly arranged on a hammer disc, and the materials close to the position of the main shaft cannot be crushed well and waste space.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide plastic crushing equipment.

The invention adopts the following technical scheme:

a plastic crushing device comprises a shell, a crushing mechanism, an auxiliary mechanism and a screening plate;

the shell is provided with a crushing cavity, a feeding hole and a discharging hole, and the crushing cavity, the feeding hole and the discharging hole are communicated;

the crushing mechanism comprises a main shaft, a motor, a lining plate, a plurality of first serrated knives, a plurality of second serrated knives and a plurality of hammer disks, the main shaft penetrates through the crushing cavity to be connected with the shell, the motor is in driving connection with the main shaft, the main shaft is driven by the motor to rotate, each hammer disc is arranged in the crushing cavity and provided with a connecting hole, the hammer disks are sleeved on the main shaft through the connecting holes and connected with the main shaft, each hammer disk is arranged on the main shaft at intervals, a plurality of breaking hammers are arranged on one hammer disk, each first serrated knife and each second serrated knife are sleeved on the main shaft, and is arranged between two adjacent hammer disks, a first serrated knife and a second serrated knife are arranged adjacently, the first serrated knife and the second serrated knife are both provided with dentate bulges, the direction of the tooth-shaped bulge of the first tooth cutter is opposite to that of the tooth-shaped bulge of the second tooth cutter;

the lining plate is arranged in the crushing cavity and corresponds to the main shaft, the lining plate is provided with an inner surface, a plurality of saw-toothed protrusions are formed on the inner surface in a protruding mode, and the inner surface faces the main shaft;

the auxiliary mechanism comprises a driver and a rotating plate, the rotating plate is arc-shaped and is arranged opposite to the main shaft, the driver is in driving connection with the rotating plate, and the rotating plate rotates under the driving of the driver;

the screening plate is provided with a plurality of screening holes, and the screening plate and the discharge port are arranged oppositely.

In one embodiment, the screen deck cover is disposed over the outlet.

In one embodiment, the number of the lining plates is two, and the two lining plates are oppositely arranged on two sides of the main shaft.

In one embodiment, three breaking hammers are arranged on one hammer disc.

In one embodiment, the breaking hammer is rotatably connected to the hammer disk.

In one embodiment, the device further comprises a vibration motor, wherein the vibration motor is arranged on the shell and is arranged at a position close to the discharge hole.

The invention has the beneficial effects that:

through each quartering hammer, first serrated knife, second serrated knife, the combined action of welt to the plastics waste material, make plastics impacted crushing, and through the drive of rotor plate, make the plastics in broken intracavity be driven the top repeatedly, fall into crushing mechanism and carry out the breakage, make crushing effect better, sieve out the broken plastics that break into certain size through sieve flitch, for example, the less plastics crushed aggregates of size is favorable to in the operation to its melting after the breakage, make the fusing speed faster etc..

Drawings

The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.

FIG. 1 is a side cross-sectional view of a plastic shredding device in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of a crushing mechanism according to an embodiment of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Detailed Description

The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments of the present invention, and the present invention is not limited to the following specific embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments of the present invention, and the present invention is not limited to the following specific embodiments.

It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the patent, and the specific meanings of the terms will be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 3, which are a plastic crushing apparatus of an embodiment, includes a housing 100, a crushing mechanism, an auxiliary mechanism, and a screen plate 410. The casing 100 has a broken chamber 110, feed inlet 120 and discharge gate 130, broken chamber 110, feed inlet 120 and discharge gate 130 all communicate, feed inlet 120 is arranged in will treating broken plastic waste product and channels into in broken chamber 110 to carry out the breakage to plastics through the structure that sets up in broken chamber 110 through crushing mechanism, the broken plastics after the breakage are discharged through discharge gate 130.

The crushing mechanism comprises a main shaft 210, a motor, a lining plate 260, a plurality of first serrated knives 220, a plurality of second serrated knives 230 and a plurality of hammer disks 240, wherein the main shaft 210 penetrates through the crushing cavity 110 and is connected with the shell 100, the motor is in driving connection with the main shaft 210, the main shaft 210 rotates under the driving of the motor, namely, the main shaft 210 rotates and is arranged in the crushing cavity 110, at least part of the main shaft passes through the shell 100 and is arranged outside the crushing cavity 110, each hammer disk 240 is arranged in the crushing cavity 110, each hammer disk 240 is provided with a connecting hole, the hammer disks 240 are sleeved on the main shaft 210 through the connecting holes and are connected with the main shaft 210, namely, each hammer disk 240 is connected with the main shaft 210 through the connecting holes, and when the main shaft 210 rotates through the driving of the motor, each hammer disk 240 on the main shaft 210 is driven to rotate. The hammer disks 240 are disposed on the main shaft 210 at intervals, for example, the hammer disks 240 are disposed on the main shaft 210 at even intervals, an accommodating groove 241 is formed between the hammer disks 240, a plurality of breaking hammers 250 are disposed on one hammer disk 240, each breaking hammer 250 is disposed between the accommodating grooves 241 formed between two hammer disks 240, and each breaking hammer 250 rotates along with the rotation of the hammer disk 240, so as to break the plastic in the breaking cavity 110.

For example, three breaking hammers 250 are provided on one of the hammer disks 240, and for example, four breaking hammers 250 are provided on one of the hammer disks 240, and each of the breaking hammers 250 is broken by an impact on the plastic when rotated.

In order to improve the crushing effect of the crushing hammer 250, for example, the crushing hammer 250 is rotatably connected to the hammer disk 240, further, each of the crushing hammers 250 is disposed at a position outside the hammer disk 240, in one embodiment, a plurality of connecting rods 253 are arranged between the two hammer disks 240, one end of each connecting rod 253 is connected with one hammer disk 240, the other end of each connecting rod 253 is connected with the other hammer disk 240, and each of the links 253 is disposed outside the hammer disk 240, the breaking hammer 250 includes a hammering portion 251 and a connecting portion 252, the connecting portion 252 is formed with a rotation hole, a connecting rod 253 is inserted into the rotation hole, that is to say, the breaking hammer 250 is sleeved on the connecting rod 253 through the rotating hole and is rotatably connected with the connecting rod 253, and thus to the hammer disks 240, it should be understood that the number of links 253 is equal to the number of breaking hammers 250. When the main shaft 210 drives the hammer disk 240 to rotate, the breaking hammer 250 circumferentially rotates by using a connection point where the breaking hammer 250 is rotatably connected with the hammer disk 240, so that the plastic to be broken in a larger range can be broken, and the breaking effect is better.

Further, each of the first serrated blades 220 and each of the second serrated blades 230 are sleeved on the spindle 210, that is, for example, the first serrated blade 220 is provided with a first through hole, the first serrated blade 220 is sleeved on the spindle 210 through the first through hole, a side wall of the first through hole is connected to the spindle 210, the second serrated blade 230 is provided with a second through hole, the second serrated blade 230 is sleeved on the spindle 210 through the second through hole, a side wall of the second through hole is connected to the spindle 210, a first serrated blade 220 and a second serrated blade 230 are arranged adjacent to each other, the first serrated blade 220 and the second serrated blade 230 are both arranged between two adjacent hammer disks 240, that is, between two accommodating grooves 241 formed by the hammer disks 240, that is, between one accommodating groove 241, a first serrated blade 220 and a second serrated blade 230 are arranged, and the first serrated blade 220, a second serrated blade 230 are arranged adjacent to each other, The second serrated knife 230 is provided with serrated protrusions, the plastic to be crushed is crushed through the serrated protrusions, the first serrated knife 220 and the second serrated knife 230 are matched with the rotary crushing hammers 250, so that the crushing effect is better, further, in order to improve the crushing effect, the plastic is crushed into finer fragments, the serrated protrusions of the first serrated knife 220 and the serrated protrusions of the second serrated knife 230 are opposite in orientation, and acting force in each direction is applied to the plastic to be crushed, so that the plastic is impacted and torn, and the crushing effect is better.

In order to achieve better crushing effect, in an embodiment, as shown in fig. 3, a first eccentric shaft 221 is disposed on the main shaft 210, for example, the first eccentric shaft 221 has a first eccentric hole, the main shaft 210 is disposed in the first eccentric hole and connected to a side wall of the first eccentric hole, the first eccentric shaft 221 is disposed between the two hammer disks 240, that is, the first eccentric shaft 221 is disposed in the accommodating groove 241, the first serrated knife 220 is sleeved on the first eccentric shaft 221, that is, the first serrated knife 220 is sleeved on the first eccentric shaft 221 through a first through hole, and the first serrated knife 220 performs a cam motion when the main shaft 210 rotates and drives the first serrated knife 220 to rotate due to the misalignment between the first eccentric shaft 221 and the axis of the main shaft 210, so that the first serrated knife 220 can better crush the plastic, the obtained crushing effect is better.

In order to obtain a better crushing effect, in one embodiment, the main shaft 210 is provided with a second eccentric shaft 221, for example, the second eccentric shaft is provided with a second eccentric hole, the main shaft 210 is inserted into the second eccentric hole and connected with the side wall of the second eccentric hole, and the second eccentric shaft is disposed at a position between the two hammer disks 240, that is, the second eccentric shaft is disposed in the receiving groove 241, the second serrated knife 230 is sleeved on the second eccentric shaft, that is, the second serrated knife 230 is sleeved on the second eccentric shaft through the second through hole, by the arrangement that the second eccentric shaft is not overlapped with the axis of the main shaft 210, when the main shaft 210 rotates and drives the second toothed cutter 230 to rotate, the second toothed cutter 230 makes a cam motion, this arrangement allows the second toothed blade 230 to better crush the plastic, resulting in better crushing.

The lining plate 260 set up in the broken chamber 110 and with main shaft 210 corresponds the setting, lining plate 260 has an internal surface, the internal surface is protruding to form a plurality of serration 261, just the internal surface orientation main shaft 210 sets up, sets up the plastics in broken chamber 110, through being strikeed the collision by quartering hammer 250, gets rid of the surface that flies to lining plate 260, through the serration 261 on lining plate 260 surface, strikes the plastics on lining plate 260 surface and is torn by each serration 261 for crushing effect is better. In one embodiment, the number of the lining plates 260 is two, and the two lining plates 260 are oppositely arranged at two sides of the main shaft 210, so that the impact of the two lining plates 260 on the plastic impacting on the surface thereof is broken, and the breaking effect is better.

The auxiliary mechanism includes driver and rotor plate 310, rotor plate 310 be the arc and with main shaft 210 sets up relatively, rotor plate 310 with main shaft 210 interval sets up, that is to say with each hammer disks 240 sets up relatively, and, rotor plate 310 with the setting of staggering of welt 260, the driver with rotor plate 310 drive connection, rotor plate 310 is in the drive of driver rotates down, for example, rotor plate 310 with the axle center of main shaft 210 rotates around main shaft 210 as the center to the plastics upset of drive deposit in broken chamber 110 bottom, fall into broken mechanism and carry out the breakage, and make the plastics of each department obtain abundant breakage in broken chamber 110 through rotating the stirring. Further, for example, the driver is a speed regulating motor, and the speed regulating motor can regulate the rotating speed of the main shaft 210 by regulating the rotating speed of the speed regulating motor, that is, the rotating speed of the main shaft 210 can be regulated according to the specific crushing condition of the plastic, so that the rotating speed of the crushing hammer 250 and the like can be regulated, the resources can be reasonably utilized while the crushing effect is ensured, the electric energy is saved, and the crushing effect of the plastic is better.

The screening plate 410 is provided with a plurality of screening holes, the screening plate 410 is arranged opposite to the discharge port 130, that is, for example, the screening plate 410 is arranged above the discharge port 130, for example, the screening plate 410 is covered on the outlet, plastics crushed into a certain size are screened out through the screening holes arranged on the screening plate 410, and the plastics with a larger size are continuously crushed. Further, in an embodiment, the plastic crushing apparatus further includes a driving cylinder 420, the driving cylinder 420 is connected to the material sieving plate 410, the material sieving plate 410 driven by the driving cylinder 420 is movably covered on the material outlet 130, after a period of crushing, the fragments with a size smaller than that of the material drying holes are discharged from the material outlet 130, the crushing mechanism stops operating, the driving cylinder 420 drives the material sieving plate 410 to move, so that the material sieving plate 410 is no longer covered on the material outlet 130, and the residual plastic in the crushing cavity 110 is discharged from the material outlet 130 at this time to wait for secondary crushing.

In order to achieve better material screening effect, in one embodiment, the material screening device further includes a vibration motor 430, the vibration motor is disposed on the housing and disposed at a position close to the material outlet 130, and the vibration motor is connected to the housing, that is, by vibration of the vibration motor 430, the plastic in the crushing cavity 110 close to the material outlet 130, that is, close to the material screening plate 410, is shaken off by vibration and discharged from the material outlet 130, so that the material screening effect is better.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A plastic crushing device is characterized by comprising a shell, a crushing mechanism, an auxiliary mechanism and a sieve plate;

the crushing mechanism comprises a main shaft, a motor, a lining plate, a plurality of first serrated knives, a plurality of second serrated knives and a plurality of hammer disks, the main shaft penetrates through the crushing cavity to be connected with the shell, the motor is in driving connection with the main shaft, the main shaft is driven by the motor to rotate, each hammer disc is arranged in the crushing cavity and provided with a connecting hole, the hammer disks are sleeved on the main shaft through the connecting holes and connected with the main shaft, each hammer disk is arranged on the main shaft at intervals, a plurality of breaking hammers are arranged on one hammer disk, each first serrated knife and each second serrated knife are sleeved on the main shaft, and is arranged between two adjacent hammer disks, each first serrated knife is arranged adjacent to one second serrated knife, the first serrated knife and the second serrated knife are both provided with dentate bulges, the direction of the tooth-shaped bulge of the first tooth cutter is opposite to that of the tooth-shaped bulge of the second tooth cutter;

the screening plate is provided with a plurality of screening holes and is opposite to the discharge hole;

the hammer disks are uniformly arranged on the main shaft at intervals, an accommodating groove is formed between the hammer disks, the first eccentric shaft 221 is arranged in the accommodating groove, and the first gear cutter is sleeved on the first eccentric shaft;

the main shaft is provided with a first eccentric shaft, the first eccentric shaft is provided with a first eccentric hole, the main shaft penetrates through the first eccentric hole and is connected with the side wall of the first eccentric hole, and the first eccentric shaft is arranged between the two hammer disks.

2. The plastic crushing apparatus of claim 1 wherein the screen deck covers the discharge opening.

3. The plastic crushing apparatus of claim 1 wherein the number of liner plates is two, and two of the liner plates are oppositely disposed on opposite sides of the main shaft.

4. The plastic crushing plant of claim 1, wherein three crushing hammers are provided on each hammer disk.

5. The plastic crushing plant of claim 1 wherein the crushing hammer is rotatably connected to the hammer disk.

6. The plastic crushing apparatus of claim 1 further comprising a vibration motor disposed on the housing and disposed proximate the discharge opening.