阅读说明：本技术 一种破碎机 (A kind of breaker ) 是由 林崇亚 林旭 林蒙 袁佳佳 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种破碎机,包括机架、破碎箱、进料斗、刀辊、用于驱动组件、定刀组件、两个分别设于破碎箱垂直刀辊轴向的两侧部的冷却部、开设于冷却部中的冷却腔,冷却腔的延伸方向与刀辊的长度方向相平行,定刀组件包括两个分别架设于两个冷却部上的第一定刀。本发明的破碎机,通过设置两个关于刀辊的轴心线对称的第一定刀,增加了刀辊与定刀的接触次数,提高了破碎效率；同时通过在破碎箱两侧设置冷却部,并将两个第一定刀架设于冷却部上,在破碎机运行时,可在冷却腔内通入冷却液体,实现对破碎箱内腔和第一定刀的冷却,进而通过破碎箱内腔的冷却实现对破碎箱内的刀辊的降温,避免刀辊和定刀发热磨损。(The invention discloses a crusher, which comprises a frame, a crushing box, a feed hopper, a cutter roller, a driving assembly, a fixed cutter assembly, two cooling parts and a cooling cavity, wherein the two cooling parts are respectively arranged at two sides of the crushing box, which are vertical to the axial direction of the cutter roller, the cooling cavity is arranged in the cooling parts, the extension direction of the cooling cavity is parallel to the length direction of the cutter roller, and the fixed cutter assembly comprises two first fixed cutters which are respectively erected on the two cooling parts. According to the crusher, the two first fixed cutters which are symmetrical about the axial lead of the knife roll are arranged, so that the contact frequency of the knife roll and the fixed cutters is increased, and the crushing efficiency is improved; simultaneously through setting up the cooling part in broken case both sides to on locating the cooling part with two first stationary knife rests, when the breaker operation, can let in cooling liquid in the cooling chamber, realize the cooling to broken incasement chamber and first stationary knife, and then realize the cooling to the rotor in the broken incasement through the cooling of broken incasement chamber, avoid rotor and stationary knife wearing and tearing that generate heat.)

1. The utility model provides a crusher, includes the frame, locate crushing case in the frame, communicate in feeder hopper on the crushing case, around rotatable locating of its self axial lead direction the interior rotor of crushing case, be used for the drive rotor pivoted drive assembly, locate decide the cutter unit spare in the frame, its characterized in that: the crusher also comprises two cooling parts which are respectively arranged on two axial side parts of the knife roll and are vertical to the crushing box, and a cooling cavity which is arranged in the cooling parts and used for containing cooling liquid, wherein the extending direction of the cooling cavity is parallel to the length direction of the knife roll, the fixed knife component comprises two fixed knives which are respectively erected on the two cooling parts, and the two fixed knives are symmetrically arranged about the axial lead of the knife roll and have cutting edges extending and penetrating in the direction close to the knife roll.

2. A crusher as claimed in claim 1, characterized in that: the crushing box comprises two side plates which are respectively positioned on two radial sides of the knife roll, two side plates which are respectively positioned on two axial sides of the knife roll and are respectively connected with two end plates which are parallel to the two axial sides of the knife roll, and two extending parts which are respectively formed at the two axial sides of the knife roll and are perpendicular to the end plates, wherein the two cooling parts are respectively connected with the two side plates and are parallel to the two axial ends of the knife roll and are respectively connected with the two extending parts.

3. A crusher as claimed in claim 2, characterized in that: the crusher also comprises a liquid inlet hole and a liquid outlet hole which are respectively arranged on the two extending parts and communicated with the cooling cavity, and a liquid conveying pipe of which two ends are respectively communicated with the liquid outlet hole of one of the two cooling parts and the liquid inlet hole of the other one of the two cooling parts.

4. A crusher as claimed in claim 2, characterized in that: the crushing box further comprises two mounting ports which are respectively arranged on the two end plates, and two bearing seats which are respectively connected in the two mounting ports, the mounting ports are circular, the diameter of at least one mounting port is larger than the roller diameter of the knife roller, and two axial end parts of the knife roller are respectively inserted in the two bearing seats.

5. A crusher as claimed in claim 4, characterized in that: and a connecting line between the circle centers of the two mounting openings is superposed with the axis of the knife roll.

6. A crusher as claimed in claim 1, characterized in that: the fixed cutter assembly further comprises two second fixed cutters which are respectively arranged below the two first fixed cutters in a one-to-one correspondence mode, the first fixed cutters are arranged in a mode that the first fixed cutters are close to the cutter roller and incline downwards, and the second fixed cutters are arranged in a mode that the second fixed cutters are close to the cutter roller and incline upwards.

7. A crusher as claimed in claim 6, characterized in that: the first fixed cutter and the second fixed cutter respectively comprise at least two fixed cutter modules which are arranged side by side, and the arrangement directions of the at least two fixed cutter modules are parallel to the axial direction of the cutter roller.

8. A crusher as claimed in claim 7, characterized in that: the fixed cutter module comprises a cutter body, a plurality of sliding grooves arranged on the cutter body at intervals in the axial direction of the cutter roller, a fixing plate and a locking piece, wherein the fixing plate and the locking piece are pressed on the cutter body in a propping mode, the extending direction of the sliding grooves is perpendicular to the axial direction of the cutter roller, the cutter body is arranged in a slidable mode in the extending direction of the sliding grooves, and the locking piece sequentially penetrates through the fixing plate and the sliding grooves and then is connected to the rack.

9. A crusher as claimed in claim 8, characterized in that: the crusher also comprises an ejector block which is arranged on the rack and is positioned on one side of the cutter body, far away from the cutter roller, and an ejector rod which is movably arranged in the ejector block in the axial direction of the ejector block in a penetrating way, wherein the moving direction of the ejector rod is parallel to the sliding direction of the cutter body, and one axial end of the ejector rod is abutted against the cutter body.

10. A crusher as claimed in claim 1, characterized in that: the crusher also comprises a discharge hopper communicated with the crushing box and a discharge pipe communicated with the discharge hopper, wherein the hopper diameter of the discharge hopper is gradually reduced along the direction far away from the crushing box, the discharge pipe extends along the horizontal direction, and the extension direction of the discharge pipe is parallel to the axial direction of the knife roll.

Technical Field

The present invention relates to a crusher.

Background

A crusher is a machine used as a fine crusher, and is generally used for processing raw materials or scraps, such as plastic or rubber scraps, etc., to make them smaller in size.

The existing crusher generally comprises a frame, a crushing box, a knife roll and a fixed knife, wherein the fixed knife is arranged on one side wall of the crushing box, a movable knife on the knife roll can be matched with the fixed knife to crush materials only when rotating to the position of the fixed knife, and the crushing efficiency is low; meanwhile, the rotating speed of the knife roll in the crusher is high, so that the knife roll can be continuously in high-speed contact with the fixed knife in the operation process of the crusher to generate huge noise, and after the crusher operates for a long time, the knife roll and the fixed knife can generate heat and wear to influence subsequent crushing effect.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a crusher.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a crusher, includes the frame, locate crushing case in the frame, communicate in feeder hopper on the crushing case, around rotatable locating of its self axial lead direction the interior rotor of crushing case, be used for the drive rotor pivoted drive assembly, locate stationary knife subassembly in the frame, crusher still includes two and locates respectively crushing case is perpendicular the cooling portion of the axial both sides portion of rotor, set up in the cooling chamber that is used for the holding cooling liquid in the cooling portion, the extending direction in cooling chamber with the length direction of rotor parallels, stationary knife subassembly includes two and erects respectively two first stationary knives in the cooling portion, two first stationary knives about the axial lead symmetry of rotor sets up and its cutting edge is along being close to the direction of rotor extends and wears to locate in the crushing case.

Preferably, the crushing box comprises two side plates respectively located on two radial sides of the knife roll, two end plates respectively located on two axial ends of the knife roll and respectively connected to two side plates parallel to the two axial sides of the knife roll, and two extending portions respectively formed at two sides of the end plates perpendicular to the two axial sides of the knife roll, and the two cooling portions are respectively connected to the two side plates and parallel to the two axial ends of the knife roll and respectively connected to the two extending portions.

Further preferably, the crusher further comprises a liquid inlet hole and a liquid outlet hole which are respectively arranged on the two extending parts and communicated with the cooling cavity, and a liquid conveying pipe of which two ends are respectively communicated with the liquid outlet hole of one of the two cooling parts and the liquid inlet hole of the other one of the two cooling parts.

Preferably, the crushing box further comprises two mounting openings respectively formed in the two end plates, and two bearing seats respectively connected to the two mounting openings, the mounting openings are circular, the diameter of at least one mounting opening is larger than the roller diameter of the knife roller, and two axial end portions of the knife roller are respectively inserted into the two bearing seats.

Still further preferably, a connecting line between the centers of the two mounting openings coincides with the axis of the knife roll.

Preferably, the fixed knife assembly further comprises two second fixed knives which are respectively arranged below the two first fixed knives in a one-to-one correspondence manner, the first fixed knives are arranged in a manner of inclining downwards along the direction close to the knife roller, and the second fixed knives are arranged in a manner of inclining upwards along the direction close to the knife roller.

Further preferably, the first fixed knife and the second fixed knife respectively comprise at least two fixed knife modules which are arranged side by side, and the arrangement direction of the at least two fixed knife modules is parallel to the axial direction of the knife roller.

Still further preferably, the fixed knife module comprises a knife body, a plurality of sliding grooves formed in the knife body along the axial direction of the knife roller at intervals, a fixing plate and a locking piece, the fixing plate abuts against the knife body, the extending direction of the sliding grooves is perpendicular to the axial direction of the knife roller, the knife body is slidably arranged along the extending direction of the sliding grooves, and the locking piece sequentially penetrates through the fixing plate and the sliding grooves and then is connected to the rack.

Still further preferably, the crusher further comprises an ejector block arranged on the frame and located on one side of the cutter body far away from the cutter roller, and an ejector rod axially movably penetrating through the ejector block, wherein the moving direction of the ejector rod is parallel to the sliding direction of the cutter body, and one axial end of the ejector rod is abutted to the cutter body.

Preferably, the crusher further comprises a discharge hopper communicated with the crushing box and a discharge pipe communicated with the discharge hopper, wherein the diameter of the discharge hopper is gradually reduced along a direction far away from the crushing box, the discharge pipe extends along the horizontal direction, and the extension direction of the discharge pipe is parallel to the axial direction of the knife roll.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the crusher, the two first fixed cutters which are symmetrical about the axial lead of the knife roll are arranged, so that the contact frequency of the knife roll and the fixed cutters is increased, and the crushing efficiency is improved; simultaneously through setting up the cooling part in broken case both sides to on locating the cooling part with two first stationary knife rests, when the breaker operation, can let in cooling liquid in the cooling chamber, realize the cooling to broken incasement chamber and first stationary knife, and then realize the cooling to the rotor in the broken incasement through the cooling of broken incasement chamber, avoid rotor and stationary knife wearing and tearing that generate heat.

Drawings

FIG. 1 is a schematic perspective view of a crusher according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a crusher in a vertical knife roll axis direction in an embodiment of the present invention;

FIG. 3 is a rear view of a crusher in an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a crusher with a feed hopper removed according to an embodiment of the present invention;

FIG. 5 is an exploded view of a breaker roll of the crusher in an embodiment of the present invention;

fig. 6 is a side view of a crusher in an embodiment of the invention.

In the figure: 1. a frame; 2. a crushing box; 2a, side plates; 2b, end plates; 2c, an extension; 2d, connecting plates; 2e, a reinforcing plate; 3. a feed hopper; 4. a knife roll; 4a, a roll shaft; 4b, moving knife rest; 4c, moving the knife; 5. a drive assembly; 6. a stationary knife assembly; 6a, a first fixed cutter; 6b, a second fixed cutter; 7. a cooling section; 7a, a first cavity plate; 7b, a second cavity plate; 8. a cooling chamber; 9. a liquid inlet hole; 10. a liquid outlet hole; 11. a transfusion tube; 12. an installation port; 13. a bearing seat; 13a, a seat plate; 13b, a mounting ring; 13c, a flange ring; 13c1, flange module; 13c2, gap; 13d, a bearing seat body; 14. a stationary knife module; 14a, a knife body; 14b, a chute; 14c, a fixing plate; 14d, a locking member; 15. a top block; 15a, a first block; 15b, a second block; 16. pushing the push rod; 17. a discharge hopper; 18. a discharge pipe; 19. mounting holes; 20. a screw hole; 21. and (4) a bracket.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

The invention relates to the improvement of a crusher, and the improved crusher is characterized in that two first fixed cutters 6a which are symmetrical about the axis of a cutter roller 4 are arranged, so that the contact frequency of the cutter roller 4 and the fixed cutters is increased, and the crushing efficiency is improved; simultaneously through setting up cooling portion 7 in broken case 2 both sides to erect two first stationary knives 6a on cooling portion 7, when the breaker operation, can let in cooling liquid in cooling chamber 8, realize the cooling to broken case 2 inner chambers and first stationary knife 6a, and then realize the cooling to the rotor 4 in broken case 2 through the cooling of broken case 2 inner chambers, avoid rotor 4 and stationary knife to generate heat the wearing and tearing.

Referring to fig. 1-6, there is shown a crusher comprising a frame 1, a crushing box 2 disposed on the frame 1, a feed hopper 3 connected to the crushing box 2, a knife roll 4 rotatably disposed in the crushing box 2 around its own axial line, be used for driving rotor 4 pivoted drive assembly 5, locate the stationary knife subassembly 6 in frame 1, two locate the cooling portion 7 of the perpendicular both sides portion of rotor 4 of broken case 2 respectively, set up the cooling chamber 8 that is used for holding cooling liquid in cooling portion 7, the extending direction in cooling chamber 8 parallels with the length direction of rotor 4, stationary knife subassembly 6 includes two first stationary knives 6a of erectting respectively on two cooling portions 7, two first stationary knives 6a set up and their cutting edge extends and wears to locate in broken case 2 along the direction that is close to rotor 4 about the axis symmetry of rotor 4. In this example, the drive assembly 5 is a motor and the cooling liquid is water.

So, through letting in the cooling water in cooling chamber 8, utilize the cooling water to carry out cooling to first stationary knife 6a and broken 2 inner chambers of case respectively, and then the cooling to rotor 4 can be realized to the broken 2 inner chambers of case of refrigerated. And the cooling cavity 8 parallel to the length direction of the knife roller 4 can ensure the thoroughness of cooling the knife roller 4.

Referring to fig. 1-2, the crushing box 2 includes two side plates 2a respectively located at two radial sides of the knife roll 4, two end plates 2b respectively located at two axial ends of the knife roll 4 and respectively connected to two axial sides of the two side plates 2a parallel to the knife roll 4, and two extending portions 2c respectively formed at two axial sides of the end plates 2b perpendicular to the knife roll 4, and two cooling portions 7 respectively connected to the two side plates 2a and two axial ends of the parallel knife roll 4 connected to the two extending portions 2 c. In this example, the lower part of the crushing box 2 is mounted on the frame 1, and the upper part thereof is communicated with the feed hopper 3, and the side plates 2a and the end plates 2b are respectively enclosed on the horizontal periphery of the knife roll 4.

Further, the crushing box 2 further comprises a connecting plate 2d arranged at the lower part of the end plate 2b and used for being connected with the frame 1, and a reinforcing plate 2e arranged between the end plate 2b and the connecting plate 2d, wherein the connecting plate 2d and the end plate 2b are integrally formed and are perpendicular to each other. Wherein connecting plate 2d laminates in frame 1, is connected connecting plate 2d and frame 1 through the bolt.

In this embodiment, the cooling portion 7 includes two first cavity plates 7a connected to the side plate 2a, and a second cavity plate 7b covered on the two first cavity plates 7a, and the two first cavity plates 7a, the second cavity plate 7b, the side plate 2a and the two extending portions 2c enclose to form a cooling cavity 8. Here, the cooling portion 7 shares one side plate 2a with the crushing box 2, so that only one side plate 2a is spaced between the cooling chamber 8 and the inner cavity of the crushing box 2, ensuring a cooling effect on the inner cavity of the crushing box 2.

Further, as shown in fig. 3, the crusher further includes a liquid inlet hole 9 and a liquid outlet hole 10 respectively opened on the two extending portions 2c and communicated with the cooling cavity 8, and a liquid delivery tube 11 having two ends respectively communicated with the liquid outlet hole 10 of one of the two cooling portions 7 and the liquid inlet hole 9 of the other thereof. Therefore, after the cooling water is heated due to heat exchange, new cooling water is continuously fed into the cooling cavity 8 from the liquid inlet hole 9 through the water pump, and the heated water after heat exchange can be discharged from the liquid outlet hole 10, so that the cooling effect of the cooling part 7 is ensured; and set up transfer line 11 through going out liquid hole 10 and feed liquor hole 9 at two cooling portions 7 for two cooling portions 7 can feed through, so only need set up a water pump and can realize the cooling water circulation in two cooling portions 7, practiced thrift the cost.

As shown in fig. 5, the crushing box 2 further includes two mounting openings 12 respectively formed in the two end plates 2b, and two bearing seats 13 respectively connected to the two mounting openings 12, the mounting openings 12 are circular, the diameter of at least one of the mounting openings 12 is larger than the roll diameter of the knife roll 4, and two axial end portions of the knife roll 4 are respectively inserted into the two bearing seats 13. Here, the two end plates 2b and the two side plates 2a enclose into the integral crushing box 2, and through the arrangement of the integral crushing box 2 and the mounting opening 12, the stability of the crusher is ensured, the convenience of mounting the knife roll 4 is not influenced, and the generation of noise is avoided; on the other hand, the bearing blocks 13 are connected into the mounting opening 12, so that the bearing blocks 13 and the crushing box 2 form a whole, the bearing stress in the two bearing blocks 13 at the two ends of the knife roll 4 is consistent, the stress on the peripheral side part of a single bearing is uniform, and the service life of the bearing is prolonged.

Furthermore, a connecting line between the centers of the two mounting openings 12 coincides with the axis of the knife roll 4. Thus, the concentricity of the mounting holes 12 at the two ends of the crushing box 2 can be ensured to be consistent, and the bearing stress in the two bearing blocks 13 at the two ends of the knife roll 4 is ensured to be consistent; by the arrangement of the integral type crushing box 2, the two mounting ports 12 at the two ends of the crushing box 2 can still keep consistent concentricity even after the crusher runs for a long time.

When the knife roll 4 is installed in the crusher, the knife roll 4 penetrates into the crushing box 2 from one of the installing openings 12, the two end parts of the knife roll 4 are located in the two installing openings 12, and then the two bearing blocks 13 are sleeved at the two ends of the knife roll 4 and are clamped and embedded in the installing openings 12, so that the crusher is very convenient to install.

In this embodiment, the knife roll 4 includes a roll shaft 4a, a movable knife rest 4b sleeved on the roll shaft 4a, and a plurality of movable knives 4c mounted on the movable knife rest 4b, and the distance between the axes of the movable knives 4c and the roll shaft 4a is smaller than the radius of the mounting opening 12. In this way, when the knife roll 4 is mounted, the movable knife 4c and the roll shaft 4a can be inserted into the crushing box 2 together from the mounting opening 12.

Preferably, the bearing seat 13 includes a seat plate 13a, a mounting ring 13b disposed on a side of the seat plate 13a close to the mounting opening 12, a flange ring 13c disposed on the seat plate 13a, and a bearing seat body 13d connected to the flange ring 13c, wherein the mounting ring 13b is embedded in the mounting opening 12, the flange ring 13c includes a plurality of flange modules 13c1 arranged at intervals around a circumference of the seat plate 13a, and a gap 13c2 is provided between every two adjacent flange modules 13c 1. In this example, a plurality of mounting holes 19 are formed on the plate surface of the seat plate 13a around the circumferential direction thereof, screw holes 20 are formed on the end plate 2b in a one-to-one correspondence, and after the mounting ring 13b is fitted into the mounting hole 12, bolts are passed through the mounting holes 19 and screwed into the screw holes 20, thereby fixing the seat plate 13a and the end plate 2 b. The fixed seat plate 13a and the end plate 2b form a whole, so that the stress uniformity of the peripheral side part of the bearing in the bearing seat 13 is ensured; and the gap 13c2 formed between two adjacent flange modules 13c1 can be used as a dust outlet channel, so that material debris splashed into the bearing seat 13 can be discharged through the dust outlet channel, and the debris is prevented from entering the bearing.

In this embodiment, referring to fig. 2, the fixed blade assembly 6 further includes two second fixed blades 6b disposed below the two first fixed blades 6a in a one-to-one correspondence manner, the first fixed blades 6a are disposed in a downward inclined manner along a direction close to the knife roll 4, and the second fixed blades 6b are disposed in an upward inclined manner along a direction close to the knife roll 4. Therefore, the cutting roller 4 can pass through the two groups of first fixed cutters 6a and the two groups of second fixed cutters 6b in the rotating process, the contact frequency of the cutting roller 4 and the fixed cutters is further increased, and the crushing efficiency is improved; and the first fixed cutter 6a and the second fixed cutter 6b which are obliquely arranged ensure the crushing angle between the fixed cutters and the knife roller 4, thereby improving the crushing effect. A support 21 is provided below the second stationary blade 6b to support the second stationary blade 6 b.

Further, the first fixed knife 6a and the second fixed knife 6b respectively comprise two fixed knife modules 14 arranged side by side, and the arrangement direction of the two fixed knife modules 14 is parallel to the axial direction of the knife roller 4. The arrangement of the two fixed cutter modules 14 not only facilitates installation, but also only needs to correspondingly replace the damaged fixed cutter modules 14 during maintenance, and the maintenance cost is low.

Referring to fig. 4, the fixed blade module 14 includes a blade body 14a, a plurality of sliding slots 14b spaced apart from each other in the axial direction of the blade roller 4 and disposed on the blade body 14a, a fixing plate 14c abutting against the blade body 14a, and a locking member 14d, wherein the extending direction of the sliding slots 14b is perpendicular to the axial direction of the blade roller 4, the blade body 14a is slidably disposed in the extending direction of the sliding slots 14b, and the locking member 14d sequentially passes through the fixing plate 14c and the sliding slots 14b and then is connected to the rack 1. In this example, the locking member 14d is a bolt. Through the slidable arrangement of the knife body 14a, when materials with different crushing size requirements face, the distance between the knife body 14a and the knife roller 4 can be changed through the sliding of the knife body 14a, so that the crushing size can be changed, and after the knife body 14a slides to a proper position, a bolt is screwed.

Further, the crusher further comprises an ejector block 15 which is arranged on the frame 1 and located on one side, far away from the knife roller 4, of the knife body 14a, and an ejector rod 16 which is axially movable along the ejector block and penetrates through the ejector block 15, wherein the moving direction of the ejector rod 16 is parallel to the sliding direction of the knife body 14a, and one axial end of the ejector rod is abutted against the knife body 14 a. The ejector rod 16 is also a bolt, and the bolt is moved in the ejector block 15 by screwing the bolt, so that the knife body 4c can be pushed forward or pulled backward to slide the knife body 14 a.

In this example, the top block 15 includes a first block 15a and a second block 15b perpendicular to each other, where the first block 15a is inserted on the frame 1 to fix the top block 15 to the frame 1, the second block 15b is attached to the frame 1, and the pushing rod 16 penetrates through the second block 15 b.

In this embodiment, referring to fig. 6, the crusher further includes a discharge hopper 17 connected to the crushing box 2, and a discharge pipe 18 connected to the discharge hopper 17, wherein the diameter of the discharge hopper 17 gradually decreases along a direction away from the crushing box 2, and the discharge pipe 18 extends along a horizontal direction and the extending direction thereof is parallel to the axial direction of the knife roll 4. In this case, the outlet hopper 17 is located in the lower part of the crushing box 2 and its hopper diameter decreases in the vertical downward direction, so that the collection of material towards the outlet pipe 18 and subsequent discharge through the outlet pipe 18 is facilitated.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.