CN210820415U - Plastic crusher - Google Patents

Abstract

The utility model relates to a plastics breaker relates to plastics recovery field, and it includes loading attachment, sets up in shearing mechanism, the plastics breaker in loading attachment low reaches and sets up the conveyor between shearing mechanism and plastics breaker, and loading attachment mainly includes horizontal conveyor, conveyor upper reaches one end sets up in the shearing mechanism below, conveyor low reaches one end set up in plastics breaker's feed inlet department. Waste plastics of an automobile are placed on a feeding device, the feeding device conveys the waste plastics to a rear shearing device, the shearing device shears the waste plastics into smaller plastic blocks, the plastic blocks are conveyed to a plastic crushing device through an inclined conveyor to be crushed, and a dust suction device positioned above the plastic crushing device removes dust from the waste plastics.

Description

Plastic crusher

Technical Field

The utility model belongs to the technical field of the technique of plastics recovery and specifically relates to a plastics breaker is related to.

Background

The automobile has gradually entered into ordinary families as consumer goods in daily life, the domestic automobile keeping quantity in 2018 is nearly 2.4 hundred million, the consumption of the automobile is more and more large, simultaneously, a large amount of automobiles are scrapped every year, many parts can not be reused, great negative effects are brought to the environment, the processing of scrapped automobiles is a huge market, along with the rapid increase of the number of scrapped automobiles, the existing disassembling mode and equipment inevitably restrict the disassembly of scrapped automobiles, and how to rapidly and efficiently complete the disassembly of scrapped automobiles is a real demand which is urgently needed to be solved.

The scrapped automobile is mainly made of materials such as steel, nonferrous metals, plastics, rubber, glass and the like, and needs to be classified, wherein waste plastics on the automobile need to be firstly crushed into small plastic blocks and then recycled. However, some waste plastics in the automobile are large in size, cannot be directly placed in a plastic crusher, and need to be firstly sheared, and then the sheared plastic blocks are placed in the plastic crusher to be crushed, so that the efficiency of the process is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic crusher can carry out broken handle with the waste plastic that dismantles on the car that efficiency is higher.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a plastic crusher comprises a feeding device, a shearing device arranged on the downstream of the feeding device, a plastic crushing device and a conveying device arranged between the shearing device and the plastic crushing device, wherein the feeding device mainly comprises a horizontal conveyor, one end of the upstream of the conveying device is arranged below the shearing device, and one end of the downstream of the conveying device is arranged at a feed inlet of the plastic crushing device.

By adopting the technical scheme, the waste plastic of the automobile is placed at the upstream of the horizontal conveyor, the horizontal conveyor can convey the waste plastic to the shearing device, the shearing device shears the waste plastic into blocks, then the conveying device conveys the plastic blocks to the plastic crushing device, and the plastic crushing device further crushes the plastic blocks.

The utility model discloses further set up to: the horizontal type conveyor is characterized in that a conveyor base is fixed below the horizontal type conveyor, side baffles are respectively arranged on two sides of the horizontal type conveyor, and two heightening plates are respectively and fixedly connected to the upper edge, close to the shearing device, of each side baffle vertically.

Through adopting above-mentioned technical scheme, the curb plate can prevent that waste plastic from dropping from the side of horizontal conveyor, increases the piece that the board can block shearing mechanism splashes when cuting waste plastic.

The utility model discloses further set up to: the shearing device is a gantry type shearing device and mainly comprises a gantry frame, a hydraulic cylinder fixedly arranged above the gantry frame and a shearing knife driven by the hydraulic cylinder to move up and down in the gantry frame.

By adopting the technical scheme, the gantry type shearing device is driven by hydraulic pressure, is convenient to operate and simple to maintain, has a longer cutting edge, and is suitable for cutting automobile waste plastics with larger volume.

The utility model discloses further set up to: the gantry type shearing device further comprises a power assisting arm and a tool rest, the power assisting arm comprises two connecting rods hinged to the end portions of the two connecting rods, one end of the power assisting arm is hinged to the top end of the gantry, the other end of the power assisting arm is hinged to the tool rest, the tool rest is fixedly connected with the shearing tool, and the power assisting arm can swing along with the up-and-down movement of the shearing tool.

Through adopting above-mentioned technical scheme, because the waste plastic material is inhomogeneous and have certain toughness, the uneven distribution's that the sword received when cutting plastics reaction force, the helping hand arm produces decurrent auxiliary force when the sword swings downwards along with shearing, the inhomogeneous reaction force that the sword received can balance out.

The utility model discloses further set up to: the two power assisting arms are fixedly connected through connecting columns.

By adopting the technical scheme, the connecting rod enables the two power assisting arms to act synchronously, and the stability of the power assisting arms in up-and-down swinging is improved.

The utility model discloses further set up to: the gantry type shearing device further comprises an inclined plate which is arranged below the shearing knife and fixedly connected to the gantry frame, one side of the inclined plate, which is close to the horizontal conveyor, is higher, one end, which is far away from the horizontal conveyor, is lower, and one end of the upstream of the conveying device is located below the inclined plate.

Through adopting above-mentioned technical scheme, the hang plate plays the guide effect to the plastic pellet that drops down after being cuted, makes the plastic pellet can drop on the conveyer of below.

The utility model discloses further set up to: the conveying device is an inclined conveyor.

Through adopting above-mentioned technical scheme, because breaker's feed inlet position is higher, and the position of hang plate is lower, the tilting conveyor can be with the plastics piece from lower hang plate below transport to higher feed inlet in.

The utility model discloses further set up to: two blocking pieces are respectively and fixedly arranged at the positions, close to the inclined plate, of the two sides of the inclined conveyor.

By adopting the technical scheme, when the plastic blocks fall onto the inclined conveyor, the two blocking pieces can prevent the plastic blocks from flying off the inclined conveyor.

The utility model discloses further set up to: a dust suction port is formed in the top end of the plastic crushing device, and a dust suction device is arranged above the dust suction port.

Through adopting above-mentioned technical scheme, often the collection has the dust in the waste plastic, and the action is great when broken plastics of plastics breaker, makes the dust float, influences operational environment, and dust extraction can take away the dust that floats.

The utility model discloses further set up to: the dust suction device comprises a dust suction cover arranged above the dust suction port, a retaining curtain fixed at the edge of the lower suction end of the dust suction cover, a dust exhaust fan and a suction pipeline connecting the dust suction cover and the dust exhaust fan.

Through adopting above-mentioned technical scheme, the check curtain shelters from the dust absorption gauze mask, can prevent that the dust from floating to the external environment in.

To sum up, the utility model discloses a beneficial technological effect does:

1. waste plastics of an automobile are placed at the upstream of a horizontal conveyor, the horizontal conveyor can convey the waste plastics to a shearing device, the shearing device shears the waste plastics into blocks, then the conveying device conveys the plastic blocks to a plastic crushing device, and the plastic crushing device further crushes the plastic blocks;

2. because the waste plastic is uneven in material and has certain toughness, the shearing knife is subjected to the reaction force which is unevenly distributed when cutting the plastic, and the power assisting arm generates the downward auxiliary force when swinging downwards along with the shearing knife, so that the uneven reaction force applied to the shearing knife can be balanced;

3. the dust collection mask is shielded by the blocking curtain, so that dust can be prevented from floating to the external environment.

Drawings

Fig. 1 is a schematic view of the overall structure of a plastic crusher.

Fig. 2 is a schematic view of the overall structure of the plastic crusher.

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

Fig. 4 is a schematic structural view of a plastic crushing device and a dust suction device of the plastic crusher.

Reference numerals:

1. a feeding device; 11. a horizontal conveyor; 12. a conveyor base; 121. a base top plate; 122. a base side plate; 13. a side dam; 14. a front baffle; 15. a tailgate; 16. heightening a plate;

2. a shearing device; 21. a gantry; 22. A hydraulic cylinder; 23. a shearing knife; 24. a tool holder; 25. a position control device; 251. an upper sensor; 252. a lower sensor; 26. a position measuring rod; 27. a power assisting arm; 271. a connecting rod; 272. connecting columns; 28. an inclined plate; 29. an inclined plate baffle;

3. an inclined conveyor; 31. a baffle plate;

4. a plastic crushing device; 41. a body; 42. a motor; 43. a support frame; 44. a feed inlet; 45. a discharge port; 46. a dust suction port;

5. a dust collection device; 51. a dust hood; 52. an air extraction duct; 53. a dust suction blower; 54. a curtain.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a plastic crusher, including loading attachment 1, fixed mounting in the shearing mechanism 2 of loading attachment 1 low reaches, set up in the tilting conveyer 3 at shearing mechanism 2 rear, set up in the plastic crushing device 4 of 3 low reaches one end of tilting conveyer, and set up in the dust extraction 5 of plastic crushing device 4 top. The feeding device 1 can convey waste plastics of an automobile to the shearing device 2 at the rear part, the shearing device 2 can shear the waste plastics into plastic blocks, the sheared plastic blocks are conveyed to the plastic crushing device 4 through the inclined conveyor 3 to be crushed, and the dust collection device 5 can remove dust from the waste plastics.

Specifically, the feeding device 1 includes a horizontal conveyor 11, a conveyor base 12 supported below the horizontal conveyor 11, two side fences 13 fixedly provided on both sides of the horizontal conveyor 11, and a front fence 14 and a rear fence 15 (see fig. 3) fixed to both front and rear sides of the horizontal conveyor 11. The conveyor base 12 comprises two vertical base side plates 122 supported on the ground and a horizontal base top plate 121 between the two side plates 122, the base top plate 121 is fixedly connected with the two base side plates 122, and the horizontal conveyor 11 is fixed on the base top plate 121 of the conveyor base 12 through bolts; the front baffle 14 and the rear baffle 15 are vertically and fixedly connected to a base top plate 121 of the conveyor base 12, and the top ends of the front baffle 14 and the rear baffle 15 are as high as the conveying belt of the horizontal conveyor 11. Waste plastics of an automobile are placed at the upstream of the horizontal conveyor 11, the horizontal conveyor 11 conveys the waste plastics to the shearing device 2 at the downstream, and the side baffles 13 can prevent the waste plastics from falling from two sides of the horizontal conveyor 11. Further, in order to prevent the scrap from splashing during shearing, the two side dams 13 are respectively fixed with a heightened plate 16 near the shearing device 2.

Referring to fig. 2 and 3, the shearing apparatus 2 is a gantry type shearing apparatus 2, and includes a gantry 21, two hydraulic cylinders 22 mounted on a top end of the gantry 21, a shearing blade 23 (see fig. 1) fixedly mounted below the hydraulic cylinders 22, a position control device 25 capable of controlling a stroke of the hydraulic cylinders 22, and a power assisting arm 27 hinged between the gantry 21 and the shearing blade 23.

Wherein, the portal frame 21 is supported on the ground and erected above the rear baffle 15 of the horizontal conveyor 11; the piston rods of the two hydraulic cylinders 22 downwards penetrate through the top of the portal frame 21; the shearing knife 23 is vertically arranged in the portal frame 21 through the knife rest 24, the knife rest 24 is located on one side far away from the feeding device 1, the cutting edge of the shearing knife 23 faces downwards, the knife back is fixedly connected to the lower ends of the piston rods of the two hydraulic cylinders 22, the shearing knife 23 can move up and down in the portal frame 21 under the pushing and pulling of the piston rods of the two hydraulic cylinders 22, and can move downwards to the rear of the rear baffle 15.

The position control device 25 includes an upper sensor 251, a lower sensor 252, and a hydraulic cylinder 22 controller (not shown in the figure), wherein the upper sensor 251 and the lower sensor 252 are both provided on a column on one side of the gantry 21, the upper sensor 251 is fixed at a height of an uppermost position when the vertical movement of the cutting blade 23 is allowed, the lower sensor 252 is fixed at a height of a lowermost position when the vertical movement of the cutting blade 23 is allowed, the position measuring bar 26 is fixedly connected to the tool rest 24, the position measuring bar 26 can touch the upper and lower position sensors when moving up and down along with the tool rest 24, and the upper sensor 251 and the lower sensor 252 transmit position information to the hydraulic cylinder 22 controller and control strokes of the two hydraulic cylinders 22.

The power assisting arm 27 comprises two connecting rods 271 hinged at the end parts, the connecting rods are positioned at one side far away from the feeding device 1, one end of the power assisting arm 27 is hinged at the top of the portal frame 21, and the other end of the power assisting arm is hinged on the tool rest 24. The two power assisting arms 27 are arranged in bilateral symmetry, the connecting rods 271 of the two power assisting arms 27 above are connected through the connecting column 272, and the power assisting arms 27 can move up and down along with the shearing knife 23. Because the waste plastic is uneven in material and has certain toughness, the shearing knife 23 receives an uneven distribution of reaction force when cutting the plastic, and the assisting arm 27 generates a downward assisting force when swinging downward along with the shearing knife 23, so that the uneven reaction force received by the shearing knife 23 can be balanced.

The portal frame 21 is fixedly provided with an inclined plate 28 below the shearing blade 23, and the higher end of the inclined plate 28 is close to the rear baffle 15 of the feeding device 1 and is lower than the lowest height which can be reached by the downward movement of the shearing blade 23. Two inclined baffles are fixedly arranged at two sides of the inclined plate 28, and the two inclined baffles are arranged in a splayed shape with a wide upper part and a narrow lower part.

When the shearing device 2 is at the original position, the piston rods of the two hydraulic cylinders 22 are in a contracted state, and the shearing knife 23 is positioned at the highest position; after the shearing device 2 is started, the hydraulic cylinder 22 pushes the shearing knife 23 to move downwards to cut off the waste plastics, the position measuring rod 26 touches the lower position sensor 252, the hydraulic cylinder 22 controller controls the hydraulic cylinder 22 to pull the shearing knife 23 upwards, after the position measuring rod 26 touches the upper position sensor 251, the hydraulic cylinder 22 controller controls the hydraulic cylinder 22 to push the shearing knife 23 downwards, the hydraulic cylinder 22 moves circularly to drive the shearing knife 23 to continuously cut the waste plastics into blocks, and the power-assisted arm 27 swings up and down along with the shearing knife 23 to provide auxiliary force. The cut waste plastic pieces fall down along the inclined plate 28 below the shearing blade 23.

Referring to fig. 1 and 3, the lower end of the inclined conveyor 3 is located below the inclined plate 28, the upper end extends into the feed inlet 44 of the plastic crusher, and the cut waste plastic pieces fall onto the inclined conveyor 3 along the inclined plate 28 and are transported by the inclined conveyor 3 to the plastic crushing device 4. Two blocking pieces 31 are respectively and fixedly arranged on two sides of the inclined conveyor 3 close to the inclined plate 28, so that waste plastics can be prevented from falling out of two sides of the inclined conveyor 3.

Referring to fig. 1 and 4, the plastic crushing device 4 includes a machine body 41, a motor 42 and a support frame 43 disposed at the bottom of the machine body 41 and the motor 42, a feed inlet 44 is disposed at the upper portion of the sidewall of the machine body 41, a discharge outlet 45 is disposed at the bottom of the machine body, a dust suction outlet 46 is disposed at the top of the machine body, a cutting blade (not shown in the figure) connected to the motor 42 is disposed inside the machine body 41, plastic enters the machine body 41 from the feed inlet 44, and the motor 42 drives the cutting blade to move, so as to cut and crush large plastic into small plastic blocks.

The suction device 5 comprises a suction hood 51, a suction duct 52 and a suction fan 53. The dust hood 51 is a hollow quadrangular pyramid structure with openings at the upper and lower parts, the larger opening at the lower end is covered above the dust suction opening 46 of the machine body 41 of the plastic crusher 4, and the smaller opening at the upper end is fixedly connected with the air suction pipeline 52. The dust suction fan 53 is arranged outside the plant, the other end of the air suction pipeline 52 is connected with the dust suction fan 53, and the dust suction fan 53 sucks dust in the plastic crushing device 4 out of the plant through the air suction pipeline 52 and the dust suction cover 51. Further, a curtain 54 is provided around the lower end of the dust suction cover 51, and the dust suction port 46 is covered in the curtain 54 to prevent dust from floating in the external environment.

The implementation principle of the present embodiment is described below:

the working personnel place the waste plastics of the automobile on the horizontal conveyor 11 of the feeding device 1, and the horizontal conveyor 11 conveys the waste plastics to the shearing device 2; the shearing device 2 cuts the waste plastic into blocks under the driving of the hydraulic cylinder 22, and in the process, the power-assisted arm 27 provides auxiliary force for the shearing knife 23; the waste plastic blocks fall onto the lower inclined conveyor 3 along the inclined plate 28 and are conveyed to the feeding hole 44 of the plastic crushing device 4 by the inclined conveyor 3, the waste plastic blocks are cut by the cutting blade in the plastic crushing device 4 and then are crushed into small blocks, the small blocks fall out of the discharging hole 45, and dust floating in the plastic crushing device 4 is discharged out of a plant by the dust suction device 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A plastic crusher, characterized in that: including loading attachment (1), set up in shearing mechanism (2), plastics breaker (4) of loading attachment (1) low reaches and set up in the conveyor between shearing mechanism (2) and plastics breaker (4), loading attachment (1) mainly includes horizontal conveyor (11), conveyor upstream one end sets up in shearing mechanism (2) below, conveyor low reaches one end set up in feed inlet (44) department of plastics breaker (4).

2. The plastic crusher of claim 1, wherein: a conveyor base (12) is fixed below the horizontal conveyor (11), side baffles (13) are respectively arranged on two sides of the horizontal conveyor (11), and two heightening plates (16) are vertically and fixedly connected to the upper edges of the two side baffles (13) close to the shearing device (2).

3. The plastic crusher of claim 1, wherein: the shearing device (2) is a gantry type shearing device (2) and mainly comprises a gantry frame (21), a hydraulic cylinder (22) fixedly arranged above the gantry frame (21) and a shearing knife (23) driven by the hydraulic cylinder (22) to move up and down in the gantry frame (21).

4. A plastic crusher as claimed in claim 3, characterized in that: the gantry type shearing device (2) further comprises a power assisting arm (27) and a tool rest (24), wherein the power assisting arm (27) comprises two connecting rods (271) hinged to the end portions, one end of the power assisting arm (27) is hinged to the top end of the gantry (21), the other end of the power assisting arm is hinged to the tool rest (24), the tool rest (24) is fixedly connected with the shearing knife (23), and the power assisting arm (27) can swing along with the up-down movement of the shearing knife (23).

5. The plastic crusher of claim 4, wherein: the two auxiliary force arms (27) are fixedly connected through a connecting column (272).

6. A plastic crusher as claimed in claim 3, characterized in that: gantry type shearing mechanism (2) still including set up in shearing sword (23) below and fixed connection inclined plate (28) on portal frame (21), one side that inclined plate (28) are close to horizontal conveyor (11) is higher, the one end of keeping away from horizontal conveyor (11) is lower, conveyor's upstream one end is located the below of inclined plate (28).

7. The plastic crusher of claim 1, wherein: the conveying device is an inclined conveyor (3).

8. The plastic crusher of claim 7, wherein: two blocking pieces (31) are respectively and fixedly arranged at the two sides of the inclined conveyor (3) near the inclined plate (28).

9. The plastic crusher of claim 1, wherein: the top end of the plastic crushing device (4) is provided with a dust suction port (46), and a dust suction device (5) is arranged above the dust suction port (46).

10. The plastic crusher of claim 9, wherein: the dust collection device (5) comprises a dust collection cover (51) arranged above the dust collection opening (46), a blocking curtain fixed on the edge of the lower end of the dust collection cover (51) for suction, a dust exhaust fan and an air suction pipeline (52) connected with the dust collection cover (51) and the dust exhaust fan (53).

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