CN111167577B

CN111167577B - Crushing shell for vertical shaft type impact crusher

Info

Publication number: CN111167577B
Application number: CN202010049154.5A
Authority: CN
Inventors: 赵景康
Original assignee: Shanghai Abundant Machinery Manufacturing Co ltd
Current assignee: Shanghai Abundant Machinery Manufacturing Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2021-07-30
Anticipated expiration: 2040-01-16
Also published as: CN111167577A

Abstract

The invention discloses a crushing shell for a vertical shaft type impact crusher, which relates to the technical field of vertical shaft type impact crushers and comprises a crushing shell body, wherein a crushing cavity is formed in the crushing shell body. The invention can adjust the distance between the crushing cutter and the rotor through the driving assembly according to the size of the stone material, is favorable for preventing the crushing cutter from being seriously worn due to overlarge impact force, and is further favorable for prolonging the service life of the crushing cutter.

Description

Crushing shell for vertical shaft type impact crusher

Technical Field

The invention relates to the technical field of vertical shaft type impact crushers, in particular to a crushing shell for a vertical shaft type impact crusher.

Background

The vertical shaft type impact crusher is rock crushing equipment, is applied in the 20 th century and the 80 th era, and has the characteristics of stable and reliable work, convenient maintenance, high sand making rate and the like. Is especially suitable for stone shaping and machine-made sand production, and can be widely applied to fine crushing operation in the industries of hydropower, highways, buildings, cement, metal mines and the like.

In the prior art, as shown in fig. 7, a vertical shaft impact crusher comprises a feed hopper 10, a crushing shell 20, a rotor 30 and a driving assembly 40 for driving the rotor to rotate at a high speed, wherein a crushing cavity 201 is formed inside the crushing shell 20, and a plurality of crushing cutters 50 are fixed on the inner wall of the crushing cavity 201 along the circumferential direction thereof through bolts.

By adopting the scheme, after the stone is rapidly thrown out by the rotor rotating at a high speed, the stone impacts the cutter in the crushing cavity together to realize the impact and crushing on the material, however, the crushing cutters are all straight plate cutters, when the stone with larger stone accumulation is thrown out by the rotor in a vortex shape, the stone does not necessarily fall on the blade of the crushing cutter directly, larger impact force is generated on the blade back of the crushing cutter, serious abrasion is easily caused on the blade back of the crushing cutter, the service life of the crushing cutter is shortened, and the improvement part exists.

Disclosure of Invention

In view of the above technical problems, an object of the present invention is to provide a crushing shell for a vertical shaft impact crusher, which can adjust the distance between a crushing cutter and a rotor through a driving assembly according to the size of stone material, and is helpful to prevent the crushing cutter from being seriously worn due to an excessive impact force, thereby being helpful to prolong the service life of the crushing cutter.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a vertical shaft type strikes crushing shell for breaker, includes broken shell body, this internal broken chamber that is formed with of broken shell, its characterized in that, this internal broken cutter that slides of broken shell is provided with, be provided with the drive assembly that the broken cutter of drive slided on the broken shell body.

By adopting the technical scheme, in actual use, when stone to be crushed is large in size, a worker increases the distance between the crushing cutter and the rotor through the driving assembly, so that the impact force borne by the crushing cutter is reduced, and the service life of the crushing cutter is prolonged; in the same way, when the size of the stone material needing to be crushed is smaller, the worker reduces the distance between the crushing cutter and the rotor through the driving assembly, and the crushing rate of the stone material with smaller size is improved.

The present invention in a preferred example may be further configured to: the crushing cutter is arranged in a bending mode, and the direction of the blade of the crushing cutter is tangent to the track of the thrown stone material.

By adopting the technical scheme, in actual use, the crushing cutter is arranged in a bent manner, and the direction of the blade of the crushing cutter is tangential to the trajectory of thrown stone, so that on one hand, the blade of the crushing cutter is easier to contact with the stone, and the crushing rate of the stone is further improved; on the other hand, the impact force on the crushing cutter can be decomposed, and the impact force on the crushing cutter can be effectively reduced.

The present invention in a preferred example may be further configured to: and reinforcing ribs are arranged at the concave part of the crushing cutter.

Through adopting above-mentioned technical scheme, in the in-service use, utilize the enhancement rib that sets up in the interior concave department of broken cutter, help improving the impact resistance force that is the broken cutter self of crooked setting, and then improve broken cutter's life.

The present invention in a preferred example may be further configured to: run through on the broken shell body and have the groove of sliding, drive assembly is including the slide bar and the rolling disc that are crooked setting, the slide bar is fixed to be set up in one side that broken cutter deviates from the blade point, just the crooked degree of slide bar is the same with broken cutter's crooked degree, slide bar embedding slide in the groove and with the groove form the cooperation of sliding, the coaxial setting of rolling disc forms normal running fit on broken shell body and with broken shell body, the arc wall has been seted up on the rolling disc, the one end that broken cutter was kept away from to the slide bar is located the outside of broken shell body and imbeds in the arc wall and forms the cooperation of sliding with the arc wall, drive assembly is still including being used for driving rolling disc pivoted actuating mechanism.

Through adopting above-mentioned technical scheme, in-service use, when needs adjust broken cutter and remove at broken intracavity, utilize actuating mechanism to drive the rolling disc and rotate round the axis of broken shell body, and then the drive slide bar slides in the groove that slides, because the one end that the broken cutter was kept away from to the slide bar is located the outside of broken shell body and imbeds in the arc wall and form the cooperation of sliding with the arc wall, finally make the orbit of sliding of broken cutter in broken intracavity be crooked setting, keep the orientation of broken cutter blade edge of a knife promptly and the orbit after the building stones are thrown away from tangent.

The present invention in a preferred example may be further configured to: the driving mechanism comprises a driving motor and a driving bevel gear, the driving motor is fixed on the crushing shell body, the axis of the output shaft of the driving motor is horizontally arranged, the driving bevel gear is coaxially fixed on the output shaft of the driving motor, driven bevel teeth are arranged on the outer edge wall of the rotating disc, and the driving bevel gear is meshed with the driven bevel teeth.

Through adopting above-mentioned technical scheme, in the in-service use, when needs adjust broken cutter and remove in broken intracavity, utilize the driven bevel gear of initiative bevel gear and rolling disc to mesh mutually, and then drive the rolling disc along with the rotation of initiative bevel gear and rotate, degree of automation is high promptly, has saved the manpower.

The present invention in a preferred example may be further configured to: the one end that broken cutter was kept away from to the pole that slides is provided with the embedding wheel, the axis of rotation of embedding wheel is vertical setting, in embedding arc wall and with the arc wall formation roll cooperation of embedding wheel.

Through adopting above-mentioned technical scheme, utilize the roll cooperation between embedding wheel and the arc wall, set up the friction between slide bar and the rolling disc into rolling friction, and then reduce the frictional force between slide bar and the rolling disc, help reducing the internal consumption between slide bar and the rolling disc promptly.

The present invention in a preferred example may be further configured to: a guide groove is formed in the bottom wall of the crushing cavity along the sliding direction of the crushing cutter, and the bottom wall of the crushing cutter is embedded into the guide groove and forms sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, utilize the guide way to the guide effect of broken cutter, improve the stability that broken cutter slided in broken intracavity.

The present invention in a preferred example may be further configured to: one side that broken cutter is close to the groove that slides is provided with the arc and blocks the cutter, the arc blocks the cutter cover and establishes the groove that slides, just the arc blocks the directive parallel of the directive of the blade edge of cutter and broken cutter.

Through adopting above-mentioned technical scheme, in-service use utilizes the arc that sets up in one side that broken cutter is close to the groove that slides to block the cutter, plays the guard action to the groove that slides on the broken shell body inner wall, helps preventing promptly that the building stones inside broken shell body from blockking up the groove that slides, helps guaranteeing the normal removal of pole that slides in the groove that slides.

Compared with the prior art, the invention has the following beneficial effects:

the invention can adjust the distance between the crushing cutter and the rotor through the driving assembly according to the size of the stone material, is favorable for preventing the crushing cutter from being seriously worn due to overlarge impact force, and is further favorable for prolonging the service life of the crushing cutter. (ii) a

The crushing rate of stone with smaller volume is improved by reducing the distance between the crushing cutter and the rotor;

the crushing rate of the stone can be further improved by utilizing the crushing cutter and the arc-shaped blocking cutter.

Be crooked setting with broken cutter, and set up at broken cutter's indent department and strengthen the rib, help improving broken cutter's impact resistance, and then help improving broken cutter's life.

Drawings

FIG. 1 is a schematic axial view of the crushing shell of the present embodiment, which mainly shows the overall structure of the crushing shell for a vertical shaft impact crusher;

FIG. 2 is a schematic view of the embodiment mainly showing the structure of the guide rail and the rotation groove;

FIG. 3 is a sectional view of the embodiment mainly showing the structure of the sliding groove and the guide groove;

FIG. 4 is a sectional view of the crushing chamber of the present embodiment;

FIG. 5 is an enlarged view of portion A of FIG. 4, showing primarily the configuration of the inset wheel and arcuate slot;

FIG. 6 is a schematic view of the present embodiment mainly showing the structure of the crushing cutter and the arc-shaped blocking cutter;

fig. 7 is a sectional view of a prior art, mainly embodying the structure of an axial impact crusher.

Reference numerals: 1. crushing the shell body; 11. a feed inlet; 12. a discharge port; 13. a crushing chamber; 14. a sliding groove; 15. a rotating groove; 16. a guide groove; 2. crushing a cutter; 3. a drive assembly; 31. a slide bar; 311. an embedment wheel; 32. rotating the disc; 321. a guide rail; 322. an arc-shaped slot; 323. driven bevel gears; 33. a drive mechanism; 331. a drive motor; 332. a drive bevel gear; 4. reinforcing ribs; 5. the arc blocks the cutter.

Detailed Description

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

As shown in fig. 1, a crushing shell for a vertical shaft type impact crusher comprises a disc-shaped crushing shell body 1, wherein a feed inlet 11 and a discharge outlet 12 are formed in the crushing shell body 1 from top to bottom respectively, a crushing cavity 13 is formed in the crushing shell body 1, a plurality of crushing cutters 2 are arranged in the crushing cavity 13 in a sliding manner, in the embodiment, eight crushing cutters 2 are arranged, the eight crushing cutters 2 are distributed along the edge of the crushing cavity 13, included angles between the eight crushing cutters 2 are equal, and a driving assembly 3 for driving the eight crushing cutters 2 to synchronously slide is arranged on the crushing shell body 1.

In practical use, when the size of stone to be crushed is large, a worker synchronously adjusts the eight crushing cutters 2 through the driving assembly 3 to increase the distance between the eight crushing cutters 2 and the rotor, so that the impact force borne by the crushing cutters 2 is reduced, and the service life of the crushing cutters 2 is prolonged; similarly, when the size of the stone material to be crushed is small, the worker can reduce the distance between the crushing cutter 2 and the rotor through the driving assembly 3, and the crushing rate of the stone material with small size can be improved.

As shown in fig. 1 and 6, the eight crushing cutters 2 are all arranged in a bent manner, so that impact force applied to the blade points of the crushing cutters 2 can be decomposed; and the direction of the blade of any crushing cutter 2 is tangent to the throw-out track of the stone, so that the blade of the crushing cutter 2 is easier to contact with the stone, and the crushing rate of the stone is further improved. In order to further improve the self impact resistance of the crushing cutter 2, the concave part of the crushing cutter 2 is provided with a reinforcing rib 4.

As shown in fig. 2 and 4, eight sliding grooves 14 penetrate through the crushing shell body 1, and the eight sliding grooves 14 correspond to the eight crushing cutters 2 respectively; the driving assembly 3 comprises eight sliding rods 31 and eight rotating discs 32 which are arranged in a bending manner, the eight sliding rods 31 are respectively fixed on one sides of the eight crushing cutters 2 which are far away from the blade, the bending degree of the sliding rods 31 is the same as the bending degree of the crushing cutters 2, the eight sliding rods 31 are respectively correspondingly embedded into the sliding grooves 14 and form sliding fit with the sliding grooves 14, one side of any sliding rod 31, which is far away from the corresponding crushing cutter 2, in the length direction is rotatably connected with an embedded wheel 311, the axis of any embedded wheel 311 is vertically arranged, the outer wall of the crushing shell body 1 is provided with rotating grooves 15 along the peripheral sides thereof, the rotating discs 32 are arranged in a hollow manner, guide rails 321 are fixed on the inner walls of the rotating discs 32, the guide rails 321 are embedded into the rotating grooves 15, namely the rotating discs 32 form rotating fit with the crushing shell body 1, and arc-shaped grooves 322 with upward openings are formed on the rotating discs 32, the arc-shaped grooves 322 are provided with eight, the eight arc-shaped grooves 322 correspond to the eight sliding rods 31 respectively, any embedding wheel 311 is embedded in the arc-shaped grooves 322 and forms rolling fit with the arc-shaped grooves 322, and the driving assembly 3 further comprises a driving mechanism 33 for driving the rotating disc 32 to rotate.

In practical use, when eight crushing cutters 2 need to be adjusted to move in crushing chamber 13, utilize actuating mechanism 33 to drive rolling disc 32 to rotate round the axis of crushing shell body 1, and then drive slide bar 31 and slide in sliding groove 14, because slide bar 31 is kept away from the one end of crushing cutter 2 and is located the outside of crushing shell body 1 and imbeds in arc groove 322 and form the cooperation of sliding with arc groove 322, finally make the orbit of sliding of crushing cutter 2 in crushing chamber 13 be crooked setting, keep the orientation of crushing cutter 2 blade of knife to throw the orbit after throwing away from with the building stones tangent promptly.

As shown in fig. 3 and 4, a guide groove 16 is formed in the bottom wall of the crushing cavity 13 along the sliding direction of the crushing cutter 2, and the bottom wall of the crushing cutter 2 is embedded in the guide groove 16 and forms sliding fit with the guide groove 16, so that the sliding stability of the crushing cutter 2 in the crushing cavity 13 is further improved.

As shown in fig. 1, the driving mechanism 33 includes a driving motor 331 and a driving bevel gear 332, the driving motor 331 is fixed on a fixed object on the peripheral side of the crushing shell body 1, the axis of the output shaft of the driving motor 331 is horizontally arranged, the driving bevel gear 332 is coaxially fixed on the output shaft of the driving motor 331, a driven bevel gear 323 is formed on the outer edge wall of the rotating disc 32, and the driving bevel gear 332 is engaged with the driven bevel gear 323. When the crushing cutter 2 needs to be adjusted to move in the crushing cavity 13, the driving bevel gear 332 is driven by the driving motor 331 to rotate, and the driving bevel gear 332 is meshed with the driven bevel gear 323 on the rotating disc 32, so that the rotating disc 32 is driven to rotate.

As shown in fig. 6, an arc-shaped blocking cutter 5 is formed on one side of the crushing cutter 2 close to the sliding groove 14, the sliding groove 14 is covered by the arc-shaped blocking cutter 5, and the direction of the blade of the arc-shaped blocking cutter 5 is parallel to the direction of the crushing cutter 2; this arc blocks that cutter 5 plays the effect that hinders to the inside building stones of broken shell body 1, plays the guard action to sliding groove 14 on the broken shell body 1 inner wall, helps preventing promptly that the building stones inside broken shell body 1 from blockking up sliding groove 14, and simultaneously, this arc blocks that cutter 5 also can cut the building stones, improves the breakage rate of building stones.

The implementation principle of the embodiment is as follows:

in practical use, when the size of stone to be crushed is large, a worker drives the driving bevel gear 332 to rotate through the driving motor 331 so as to drive the rotating disc 32 to rotate, so that the sliding rod 31 embedded in the arc-shaped groove 322 pushes the crushing cutter 2 to move inwards along the guide groove 16, the distance between the crushing cutter 2 and the rotor is increased, the impact force applied to the crushing cutter 2 is reduced, and the service life of the crushing cutter 2 is prolonged;

similarly, when the stone material volume that needs to be broken is less, the staff utilizes driving motor 331 to drive bevel gear 332 and rotates, and then drives rolling disc 32 antiport for slide bar 31 in embedding arc wall 322 promotes broken cutter 2 and outwards removes along guide way 16, and then reduces the interval between broken cutter 2 and the rotor, helps improving the percentage of damage to the less stone material of volume.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A crushing shell for a vertical shaft type impact crusher comprises a crushing shell body (1), wherein a crushing cavity (13) is formed in the crushing shell body (1), and is characterized in that a crushing cutter (2) is arranged in the crushing shell body (1) in a sliding manner, and a driving assembly (3) for driving the crushing cutter (2) to slide is arranged on the crushing shell body (1); the crushing cutter (2) is arranged in a bent manner, and the direction of the blade of the crushing cutter (2) is tangential to the trajectory of thrown stone; reinforcing ribs (4) are arranged at the concave parts of the crushing cutters (2); the utility model discloses a crushing shell, including broken shell body (1), drive assembly (3) have run through on the broken shell body (1) and have slide groove (14), slide rod (31) are fixed to be set up in the one side that broken cutter (2) deviate from the blade point and rolling disc (32) are crooked, and the crooked degree of slide rod (31) is the same with the crooked degree of broken cutter (2), slide rod (31) embedding slide groove (14) and form the cooperation of sliding with slide groove (14), rolling disc (32) coaxial setting is on broken shell body (1) and form the normal running fit with broken shell body (1), arc wall (322) have been seted up on rolling disc (32), the one end that broken cutter (2) were kept away from in slide rod (31) is located the outside of broken shell body (1) and imbeds arc wall (322) and forms the cooperation of sliding with arc wall (322), the driving assembly (3) further comprises a driving mechanism (33) for driving the rotating disc (32) to rotate; the driving mechanism (33) comprises a driving motor (331) and a driving bevel gear (332), the driving motor (331) is fixed on the crushing shell body (1), the axis of the output shaft of the driving motor (331) is horizontally arranged, the driving bevel gear (332) is coaxially fixed on the output shaft of the driving motor (331), driven bevel teeth (323) are arranged on the outer edge wall of the rotating disc (32), and the driving bevel gear (332) is meshed with the driven bevel teeth (323); an embedding wheel (311) is arranged at one end, far away from the crushing cutter (2), of the sliding rod (31), the rotating axis of the embedding wheel (311) is vertically arranged, and the embedding wheel (311) is embedded into the arc-shaped groove (322) and forms rolling fit with the arc-shaped groove (322); a guide groove (16) is formed in the bottom wall of the crushing cavity (13) along the sliding direction of the crushing cutter (2), and the bottom wall of the crushing cutter (2) is embedded into the guide groove (16) and forms sliding fit with the guide groove (16); one side that broken cutter (2) are close to groove (14) that slides is provided with the arc and blocks cutter (5), the arc blocks that cutter (5) cover establishes groove (14) that slides, just the arc blocks that the direction of the blade point of cutter (5) is parallel with the direction of broken cutter (2).