CN215586715U

CN215586715U - Integral crusher

Info

Publication number: CN215586715U
Application number: CN202122196741.XU
Authority: CN
Inventors: 林崇亚; 林旭; 林蒙; 袁佳佳
Original assignee: Zhangjiagang Xinbei Machinery Co ltd
Current assignee: Zhangjiagang Xinbei Machinery Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-21
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses an integral crusher, which comprises a frame, a crushing box, a feed hopper, a knife roll, a driving assembly and a fixed knife, wherein the crushing box comprises a box body and two mounting openings which are respectively arranged at two ends of the box body, the mounting openings are circular, the diameter of at least one mounting opening is larger than the roll diameter of the knife roll, the integral crusher also comprises two bearing seats which are respectively connected into the two mounting openings, and two axial end parts of the knife roll are respectively inserted into the two bearing seats. On one hand, the integral crusher does not affect the convenience of knife roll installation while ensuring the stability of the crusher and avoids the generation of noise by arranging the integral box body and the installation opening; on the other hand, the bearing seats are connected into the mounting opening, so that the bearing seats and the crushing box form a whole, the bearing stress in the two bearing seats at the two ends of the knife roll is consistent, the stress on the peripheral side part of a single bearing is uniform, and the service life of the bearing is prolonged.

Description

Integral crusher

Technical Field

The present invention relates to a monoblock crusher.

Background

A crusher is a machine used for fine crushing, which includes a frame, a crushing box, a knife roll and a stationary knife, 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 has the advantages that in order to facilitate installation of the knife roll, the crushing box is usually split, the split crushing box comprises an upper box body and a lower box body which are detachably connected, the upper box body and the lower box body are separated when the knife roll is installed, and then the knife roll is placed between the upper box body and the lower box body and is connected and fastened with the upper box body and the lower box body.

However, although the split crushing box facilitates the installation of the knife roll, due to the limitation of the split structure, the bearing blocks at the two ends of the knife roll can only be fixed on the frame outside the crushing box through the hoops, so that the circumferential side part of the bearing in the bearing block is not uniformly stressed when the crusher runs, and the service life of the bearing is influenced; simultaneously, after the breaker long-term operation, can appear connecting not hard up between last box and the lower box, on the one hand can make the breaker produce very big noise in follow-up operation, and on the other hand can lead to the rotor both ends to take place slight offset, leads to the bearing atress inconsistent and the emergence of torsion in the bearing frame at rotor both ends, influences the life of bearing and rotor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a monoblock crusher.

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

the utility model provides an integral breaker, includes the frame, locate broken case in the frame, communicate in feeder hopper on the broken case, around the rotatable locating of its self axial lead direction the interior rotor of broken case, be used for the drive rotor pivoted drive assembly, locate stationary knife on the broken case, broken case includes that case body, two are seted up respectively in the installing port at case body both ends, the installing port becomes circular and at least one the diameter of installing port is greater than the roller diameter of rotor, integral breaker still include two connect respectively in two installing ports in the bearing frame, the axial both ends of rotor are inserted respectively and are located two bearing frames in.

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

Preferably, the knife roller comprises a roller shaft, a movable knife rest sleeved on the roller shaft, and a plurality of movable knives mounted on the movable knife rest, wherein the distance between the movable knives and the axial lead of the roller shaft is smaller than the radius of the mounting opening.

Preferably, the case body includes two blocks of curb plates that are located respectively the radial both sides of rotor, two blocks are located rotor axial both ends and connect respectively in two blocks of curb plates parallel the end plate of the axial both sides portion of rotor, two installing ports open respectively in two end plates on.

Preferably, the crushing box further comprises extending portions formed on two end plates perpendicular to two axial sides of the knife roll, and two fixed knife rests respectively arranged on the two side plates, two end portions of the fixed knife rests parallel to the knife roll in the axial direction are respectively connected with the two extending portions on the same side of the two end plates, and the fixed knives are mounted on the fixed knife rests and the blades of the fixed knives are inserted into the crushing box.

Further preferably, the crushing box further comprises a connecting plate arranged on the lower portion of the end plate and used for being connected with the rack, and a reinforcing plate arranged between the end plate and the connecting plate, wherein the connecting plate and the end plate are integrally formed and are perpendicular to each other.

Preferably, the bearing seat comprises a seat plate, a flange ring arranged on the seat plate, and a bearing seat body connected to the flange ring, wherein the flange ring comprises a plurality of flange modules arranged around the seat plate at intervals in the circumferential direction, and a gap is formed between every two adjacent flange modules.

Further preferably, the bearing seat further comprises a mounting ring arranged on one side of the seat plate close to the mounting opening, and the mounting ring is embedded in the mounting opening.

Preferably, the integral crusher further comprises a discharge hopper communicated with the crushing box and a discharge pipe communicated with the discharge hopper, wherein the discharge pipe extends along the horizontal direction, and the extending direction of the discharge pipe is parallel to the axial direction of the knife roll.

Further preferably, the hopper diameter of the outlet hopper decreases gradually in a direction away from the crushing bin.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: on one hand, the integral crusher does not affect the convenience of knife roll installation while ensuring the stability of the crusher and avoids the generation of noise by arranging the integral box body and the installation opening; on the other hand, the bearing seats are connected into the mounting opening, so that the bearing seats and the crushing box form a whole, the bearing stress in the two bearing seats at the two ends of the knife roll is consistent, the stress on the peripheral side part of a single bearing is uniform, and the service life of the bearing is prolonged.

Drawings

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

fig. 2 is a schematic front view of a monoblock crusher in an embodiment of the present invention.

In the figure: 1. a frame; 2. a crushing box; 2a, a box body; 2a1, side panels; 2a2, end plates; 2a3, extension; 2a4, fixed cutter frame; 2a5, connecting plate; 2a6, a stiffener; 2b, mounting ports; 3. a feed hopper; 4. a knife roll; 4a, a roll shaft; 4b, moving knife rest; 4c, moving the knife; 6. fixing a cutter; 7. a bearing seat; 7a, a seat board; 7b, a flange ring; 7b1, flange module; 7b2, gap; 7c, a bearing seat body; 7d, mounting rings; 8. a discharge hopper; 9. a discharge pipe; 10. mounting holes; 11. and a screw hole.

Detailed Description

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

The utility model relates to the improvement of a crusher, in particular to an improved integral crusher, which has the advantages that on one hand, through the arrangement of an integral box body and a mounting opening, the stability of the crusher is ensured, meanwhile, the convenience of the installation of a knife roll is not influenced, and the generation of noise is avoided; on the other hand, the bearing seats are connected into the mounting opening, so that the bearing seats and the crushing box form a whole, the bearing stress in the two bearing seats at the two ends of the knife roll is consistent, the stress on the peripheral side part of a single bearing is uniform, and the service life of the bearing is prolonged.

Referring to fig. 1-2, an integral crusher is shown, which comprises a frame 1, a crushing box 2 disposed on the frame 1, a feeding hopper 3 communicated with the crushing box 2, a knife roll 4 rotatably disposed in the crushing box 2 around its own axial line direction, a driving assembly (not shown in the figure) for driving the knife roll 4 to rotate, and a stationary knife 6 disposed on the crushing box 2, wherein the crushing box 2 comprises a box body 2a, two mounting ports 2b respectively disposed at two ends of the box body 2a, the two mounting ports 2b are circular and have a diameter larger than the roll diameter of the knife roll 4, the integral crusher further comprises two bearing seats 7 respectively connected to the two mounting ports 2b, and two axial end portions of the knife roll 4 are respectively inserted into the two bearing seats 7.

In this example, the driving component is a motor, and a connecting line between the circle centers of the two mounting ports 2b is coincident with the axis of the knife roll 4. Thus, the concentricity of the mounting ports 2b at the two ends of the box body 2a can be ensured to be consistent, and the bearing stress in the two bearing seats 7 at the two ends of the knife roll 4 is ensured to be consistent; and through the setting of integral case body 2a, even after the long-term operation of breaker, two installing port 2b of case body 2a both ends still can keep the concentricity unanimous.

When the knife roll 4 is installed in the integral crusher, the knife roll 4 penetrates into the crushing box 2 from one of the installation openings 2b, two ends of the knife roll 4 are located in the two installation openings 2b, and then the two bearing blocks 7 are sleeved at two ends of the knife roll 4 and are clamped and embedded in the installation openings 2b, so that the integral crusher is very convenient to install.

Further, the box body 2a includes two side plates 2a1 respectively located at two radial sides of the knife roll 4, two end plates 2a2 respectively located at two axial ends of the knife roll 4 and respectively connected to two axial sides of the two side plates 2a1 parallel to the knife roll 4, and two mounting openings 2b respectively opened on the two end plates 2a 2.

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 movable knife 4c and the axial lead of the roll shaft 4a is smaller than the radius of the mounting opening 2 b. In this way, when the knife roll 4 is installed, the movable knife 4c and the roll shaft 4a can be inserted into the crushing box 2 from the installation opening 2b together.

The crushing box 2 further comprises extending parts 2a3 formed on two side parts of the two end plates 2a2 perpendicular to the axial direction of the knife roller 4 and two fixed knife rests 2a4 respectively arranged on the two side plates 2a1, two end parts of the fixed knife rests 2a4 parallel to the axial direction of the knife roller 4 are respectively connected with the two extending parts 2a3 on the same side of the two end plates 2a2, the fixed knife 6 is installed on the fixed knife rests 2a4, and the cutting edges of the fixed knife are inserted into the crushing box 2. In this example, each side plate 2a1 is provided with two fixed knife rests 2a4, each fixed knife rest 2a4 is provided with a fixed knife 6, and four fixed knives 6 can increase the contact frequency of the movable knife 4c and the fixed knife 6, so that the crushing effect is improved.

In this embodiment, the crushing box 2 further comprises a connecting plate 2a5 arranged at the lower part of the end plate 2a2 for connecting with the frame 1, and a reinforcing plate 2a6 arranged between the end plate 2a2 and the connecting plate 2a5, wherein the connecting plate 2a5 and the end plate 2a2 are integrally formed and are perpendicular to each other. Wherein connecting plate 2a5 is laminated on frame 1, is connected connecting plate 2a5 with frame 1 through the bolt.

Preferably, the bearing seat 7 includes a seat plate 7a, a mounting ring 7d disposed on a side of the seat plate 7a close to the mounting port 2b, a flange ring 7b disposed on the seat plate 7a, and a bearing seat body 7c connected to the flange ring 7b, wherein the mounting ring 7d is embedded in the mounting port 2b, the flange ring 7b includes a plurality of flange modules 7b1 arranged at intervals around a circumference of the seat plate 7a, and a gap 7b2 is provided between every two adjacent flange modules 7b 1. In this example, a plurality of mounting holes 10 are formed in the plate surface of the seat plate 7a around the circumferential direction thereof, screw holes 11 are formed in the end plates 2a2 in a one-to-one correspondence, and after the mounting ring 7d is fitted into the mounting opening 2b, bolts are inserted through the mounting holes 10 and screwed into the screw holes 11, thereby fixing the seat plate 7a to the end plate 2a 2. The fixed seat plate 7a and the end plate 2a2 form a whole, so that the stress uniformity of the side part of the circumference of the bearing in the bearing seat 7 is ensured; and the gap 7b2 formed between two adjacent flange modules 7b1 can be used as a dust outlet channel, so that material debris splashed into the bearing seat 7 can be discharged through the dust outlet channel, and the debris is prevented from entering the bearing.

In this embodiment, the monoblock crusher further comprises a discharge hopper 8 communicated with the crushing box 2 and a discharge pipe 9 communicated with the discharge hopper 8, wherein the discharge pipe 9 extends along the horizontal direction and the extending direction of the discharge pipe is parallel to the axial direction of the knife roll 4. Wherein the diameter of the discharge hopper 8 decreases gradually in the direction away from the crushing box 2. In this case, the outlet hopper 8 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 9 and subsequent discharge through the outlet pipe 9 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.

Claims

1. The utility model provides an integral breaker, includes the frame, locate broken case in the frame, communicate in feeder hopper on the broken case, around rotatable locating of its self axial lead direction the interior rotor of broken case, be used for the drive rotor pivoted drive assembly, locate stationary knife on the broken case, its characterized in that: the crushing box comprises a box body, two mounting ports which are respectively arranged at two ends of the box body, the mounting ports are circular, the diameter of at least one mounting port is larger than the roller diameter of the knife roll, the integral crusher further comprises two bearing seats which are respectively connected to the two mounting ports, and two axial end parts of the knife roll are respectively inserted into the two bearing seats.

2. A monoblock crusher as claimed in claim 1, 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.

3. A monoblock crusher as claimed in claim 1, characterized in that: the knife roll comprises a roll shaft, a movable knife rest sleeved on the roll shaft and a plurality of movable knives arranged on the movable knife rest, wherein the distance between the movable knives and the axial lead of the roll shaft is smaller than the radius of the mounting opening.

4. A monoblock crusher as claimed in claim 1, characterized in that: the box body comprises two side plates which are respectively positioned on two radial sides of the knife roll, and two end plates which are positioned on two axial ends of the knife roll and are respectively connected with the two side plates which are parallel to the two axial side parts of the knife roll, and the two mounting openings are respectively arranged on the two end plates.

5. A monoblock crusher according to claim 4, characterized in that: the crushing box further comprises extending parts which are formed on the two end plates and are perpendicular to the two axial side parts of the knife roll, and two fixed knife rests which are respectively arranged on the two side plates, the two end parts of the fixed knife rests which are parallel to the knife roll are respectively connected with the two extending parts on the two end plates on the same side, and the fixed knives are arranged on the fixed knife rests and the knife edges of the fixed knives are inserted into the crushing box.

6. A monoblock crusher according to claim 4, characterized in that: the crushing box further comprises a connecting plate arranged on the lower portion of the end plate and used for being connected with the rack, and reinforcing plates arranged between the end plate and the connecting plate, wherein the connecting plate and the end plate are integrally formed and are perpendicular to each other.

7. A monoblock crusher as claimed in claim 1, characterized in that: the bearing frame includes the bedplate, locates flange ring on the bedplate, connect in bearing frame body on the flange ring, the flange ring includes a plurality of round the flange module of the circumferential interval arrangement of bedplate, every adjacent two the flange module between have the clearance.

8. A monoblock crusher according to claim 7, characterized in that: the bearing seat further comprises a mounting ring arranged on one side, close to the mounting opening, of the seat plate, and the mounting ring is embedded in the mounting opening.

9. A monoblock crusher as claimed in claim 1, characterized in that: the integral crusher also comprises a discharge hopper communicated with the crushing box and a discharge pipe communicated with the discharge hopper, wherein the discharge pipe extends along the horizontal direction, and the extending direction of the discharge pipe is parallel to the axial direction of the knife roll.

10. A monoblock crusher according to claim 9, characterized in that: the hopper diameter of the discharge hopper is gradually reduced along the direction far away from the crushing box.