CN112403569A

CN112403569A - Cone crusher

Info

Publication number: CN112403569A
Application number: CN202010972094.4A
Authority: CN
Inventors: 谭建平; 王应怀; 李文辉
Original assignee: Shaoguan Qirui Environmental Protection Equipment Co ltd
Current assignee: Shaoguan Qirui Environmental Protection Equipment Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-02-26

Abstract

The invention provides a cone crusher, and relates to the technical field of crushing. The novel rolling machine comprises a frame, the inside vertical fixed mounting of frame has the main shaft, the main shaft outside is rotated through eccentric bush and is installed eccentric cover, eccentric cover outside fixed mounting has the cone body, cone body outside fixed mounting has broken wall, the outer wall both sides of broken wall are provided with rolls the mortar wall, and the side wall on the last portion of the mortar wall of rolling on both sides has the adjusting sleeve through connecting piece demountable installation, the cone body is provided with first arch towards axis upper portion inboard, the cone body is provided with the second arch towards axis lower part inboard, first arch and second arch difference fixed mounting have body upper liner and body lower liner, body upper liner and body lower liner respectively with the outside fixed connection of eccentric cover. The two bushings are arranged, so that the eccentric sleeve has good stability, can bear larger crushing force and higher rotating speed, is convenient to replace the worn rolling mortar wall, and is favorable for ensuring the crushing effect.

Description

Cone crusher

Technical Field

The invention relates to the technical field of crushing, in particular to a cone crusher.

Background

The cone crusher is widely applied to various departments such as mines, smelting, building materials, roads, railways, water conservancy, chemical industry and the like. The cone crusher is suitable for crushing raw materials in the industries of metallurgy, building, road building, chemistry and silicate. The cone crusher has large crushing ratio, high efficiency, low energy consumption and uniform product granularity, and is suitable for medium crushing and fine crushing of various ores.

Among the cone crusher among the prior art, only be provided with a body bush generally, body stability is relatively poor, and the crushing power of bearing is limited, can't use higher rotation operation, has reduced crushing efficiency and crushing effect. Simultaneously, the adjusting collar among the prior art with roll the general fixed connection of mortar wall, in the actual work process, the impact of ore, extrusion and the friction between material and the welt all can lead to rolling the wearing and tearing of mortar wall and broken wall, make breaker discharge gate width grow gradually, influence crushing effect.

Disclosure of Invention

The invention provides a cone crusher, which aims to solve the problems in the prior art.

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

a cone crusher comprises a frame, wherein a main shaft is fixedly arranged in the frame vertically, an eccentric sleeve is rotatably arranged on the outer side of the main shaft through an eccentric bushing, a cone body is fixedly arranged on the outer side of the eccentric sleeve, a crushing wall is fixedly arranged on the outer side of the cone body, rolling mortar walls are arranged on two sides of the outer wall of the crushing wall, a tight edge discharge hole is formed between the rolling mortar walls and the crushing wall, a loose edge discharge hole is formed between the rolling mortar walls and the crushing wall, adjusting sleeves are detachably arranged on the upper side wall of the rolling mortar walls on the other side through connecting pieces, lower side walls of the rolling mortar walls are matched and connected with the adjusting sleeves, a first bulge is arranged on the cone body towards the inner side of the upper part of a central axis, a second bulge is arranged on the cone body towards the inner side of the lower part of the central axis, and an upper body bushing and a lower, and the upper body lining and the lower body lining are respectively and fixedly connected with the outer side of the eccentric sleeve.

The connecting piece comprises a wedge block, a clamping plate is fixedly mounted above the top of the wedge block, a ring plate is mounted on the clamping plate through a cotter pin in a connecting mode, the ring plate is fixedly mounted in the circumferential direction of a spherical nut, the spherical nut is in threaded connection with a square-head bolt, and the square-head bolt is connected with the adjusting sleeve.

Further, the inner wall of adjusting sleeve is fixed mounting still has the baffle, the baffle can restrict the rotation of square head bolt, square head bolt outside still overlaps and is equipped with the sponge, the sponge is located between spherical nut and the square head bolt tip space, voussoir periphery cover is equipped with the cushion, and wherein fixed mounting has the adaptation ring on cushion one side.

According to the invention, the upper part of the conical body is fixedly provided with a body spherical bearing through a bolt, the body spherical bearing is rotatably arranged on a bowl-shaped tile, the bowl-shaped tile is fixedly arranged on a bowl-shaped bearing frame, the bowl-shaped bearing frame is fixedly arranged at the top of the main shaft, the bolt is in threaded connection with a nut, the top of the nut is also fixedly provided with a material distribution disc through a screw, and a feeding hopper is arranged above the crushing wall and communicated with the crushing cavity.

According to the invention, the main shaft penetrates through and is fixedly connected with the lower main support, large bevel gears are fixedly arranged on two sides of the lower main support, small bevel gears are meshed with the large bevel gears, the small bevel gears are fixedly pressed on a transmission shaft and are fixedly connected through belt pulleys, the belt pulleys are driven to rotate by a driving motor, and the conveying shaft is rotatably arranged on the rack through a transmission shaft bushing.

Further, an upper thrust bearing is arranged below the lower main support, and a lower thrust bearing is fixedly mounted at the position, right opposite to the upper thrust bearing, of the rack.

Furthermore, a rotating speed sensor is fixedly mounted at the position of the belt pulley, a transmission shaft frame is arranged outside the transmission shaft, and the transmission shaft frame is fixedly mounted on the rack.

According to the invention, a labyrinth type sealing structure is arranged between the frame and the cone body, the sealing mechanism comprises a U-shaped sealing ring fixedly arranged on the frame, the U-shaped sealing ring is provided with a T-shaped sealing ring in a matching manner, and the T-shaped sealing ring is fixedly arranged on the cone body.

As a further improvement of the invention, the lower part of the outer ring of the adjusting sleeve is engaged with a supporting sleeve, one side of the supporting sleeve is fixedly connected with a piston rod of a driving cylinder, the other side of the supporting sleeve is fixedly connected with a piston rod of a jack, the top of the adjusting sleeve is also fixedly provided with an adjusting rod, a screw rod is vertically and fixedly arranged below the adjusting rod, the screw rod is in threaded connection with the inner ring of a driven gear, the outer ring of the driven gear is engaged with a driving gear, the driving gear is driven by a hydraulic motor to rotate, the other end of the adjusting rod is slidably arranged on the outer side wall of a feeding hopper, and the feeding hopper is positioned above the crushing wall and is communicated with the tight edge discharge port and the loose edge.

Furthermore, a limiting rod is fixedly mounted on the feeding hopper and located below the adjusting rod.

Compared with the prior art, the invention has the following beneficial effects: the eccentric sleeve is provided with the two bushings which comprise the upper bushing and the lower bushing, so that the eccentric sleeve is good in stability and can bear larger crushing force and higher rotating speed, and meanwhile, the adjusting sleeve is detachably mounted on the rolling mortar wall through the connecting piece, so that the rolling mortar wall is convenient to replace after being worn, and the crushing effect is favorably ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the connection between the rolling mortar wall and the adjusting sleeve;

fig. 3 is a schematic view of a connection structure between an adjusting rod and a support sleeve and between adjusting sleeves in the invention.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

As shown in fig. 1, 2 and 3, the cone crusher comprises a frame 38, a main shaft 15 is vertically and fixedly installed inside the frame 38, an eccentric sleeve 11 is rotatably installed outside the main shaft 15 through an eccentric bushing 24, a cone body 8 is fixedly installed outside the eccentric sleeve 11, a crushing wall 7 is fixedly installed outside the cone body 8, rolling mortar walls 6 are arranged on two sides of the outer wall of the crushing wall 7, a tight-edge discharge hole is formed between one rolling mortar wall 6 and the crushing wall 7, a loose-edge discharge hole is formed between the other rolling mortar wall 6 and the crushing wall 7, adjusting sleeves 5 are detachably installed on the upper side walls of the rolling mortar walls 6 on two sides through connecting pieces, the lower side walls of the rolling mortar walls 6 are matched and connected with the adjusting sleeves 5, a first bulge is arranged on the cone body 8 towards the inner side of the upper part of a central axis, a second bulge is arranged on the cone body 8 towards the inner side of the lower part of the central axis, an upper body bushing 25 and a, the body upper bushing 25 and the body lower bushing 26 are fixedly connected with the outer side of the eccentric sleeve 11 respectively.

According to the invention, the two bushings comprising the upper body bushing 25 and the lower body bushing 26 are arranged, so that the eccentric sleeve 11 has better stability and can bear larger crushing force and higher rotating speed, and meanwhile, the adjusting sleeve 5 is detachably arranged on the rolling mortar wall 6 through the connecting piece, so that the rolling mortar wall 6 is convenient to replace after being worn, and the crushing effect is favorably ensured.

The connecting piece comprises a wedge block 32, a clamping plate 44 is fixedly mounted above the top of the wedge block 32, the clamping plate 44 is connected with a ring plate through a split pin 43, the ring plate is fixedly mounted on the periphery of a spherical nut 20, the spherical nut 40 is in threaded connection with a square-head bolt 41, and the square-head bolt 41 is connected with an adjusting sleeve 5.

Further, the inner wall of the adjusting sleeve 5 is fixedly provided with a baffle 42, the baffle 42 can limit the rotation of the square head bolt 41, the square head bolt 41 is externally sleeved with a sponge 45, the sponge 45 is positioned between the end part gap of the spherical nut 40 and the square head bolt 41, the periphery of the wedge 32 is sleeved with a cushion block 39, and an adapter ring 46 is fixedly arranged on one side of the cushion block 39.

When the crushing device is used, the rolling mortar wall 6 is fixedly arranged on the adjusting sleeve 5 according to the size of a material to be crushed, the spherical nut 40 can be screwed, the wedge block 32 moves inwards along the gap direction, and the rolling mortar wall 6 is tightly propped against the adjusting sleeve 5, so that the rolling mortar wall 6 and the adjusting sleeve 5 are fixed; then, the size of a discharge port between the rolling mortar wall 6 and the crushing wall 7 is adjusted by using the adjusting sleeve 5, the crushing of the ore is completed through the relative rotation of the rolling mortar wall 6 and the crushing wall 7, and the crushed material is discharged and collected from a tight-edge discharge port or a loose-edge discharge port; when rolling mortar wall 6 wearing and tearing, when needing to dismantle and rolling mortar wall 6, can get away split pin 43 earlier, then remove cardboard 44, reverse rotation spherical nut 40 moves voussoir 32 outwards along the breach direction, can loosen and roll mortar wall 6, the change of being convenient for. The invention is easy to replace, simple in structure and convenient in operation under the condition of effectively ensuring the tightness between the rolling mortar wall 6 and the adjusting sleeve 5.

In the invention, the upper part of the conical body 8 is further fixedly provided with a body spherical bearing 36 through a bolt 35, the body spherical bearing 36 is rotatably arranged on a bowl-shaped tile 27, the bowl-shaped tile 27 is fixedly arranged on a bowl-shaped bearing frame 26, the bowl-shaped bearing frame 26 is fixedly arranged at the top of the main shaft 15, the bowl-shaped bearing frame 26 provided with the bowl-shaped tile 27 tightly fixes the bowl-shaped bearing frame 26 on the main shaft 15 through interference fit, the bolt 35 is further in threaded connection with a nut 34, the top of the nut 34 is further fixedly provided with a distributing disc 33 through a screw, and a feeding hopper 37 is arranged above the crushing wall and communicated with the crushing cavity. Supporting the cone 8 and transmitting the crushing force to the frame 38, the bowl-shaped tile 27 is mounted on the bowl-shaped bearing frame 26 to provide a support surface for the cone 8, and the spherical support surface of the bowl-shaped tile 27 is fully lubricated by an oil path passing through the center of the main shaft and the bowl-shaped bearing frame 26.

The main shaft 15 penetrates through the lower main support and is fixedly connected with the lower main support, large bevel gears 14 are fixedly mounted on two sides of the lower main support, small bevel gears 16 are meshed with the large bevel gears 14, the small bevel gears 16 are fixedly mounted on a transmission shaft 21 and are fixedly connected through belt pulleys 18, the belt pulleys 18 are driven to rotate by a driving motor, and the transmission shaft 21 is rotatably mounted on a rack 38 through a transmission shaft bushing 20.

The driving motor transmits power to the transmission shaft 21 from the motor through a triangular belt, a motor belt pulley and a belt pulley, the small bevel gear 16 on the transmission shaft 21 drives the large bevel gear 14 on the eccentric sleeve 8 to rotate, so that the main shaft 15 is driven to rotate, the crushing wall 7 is driven to rotate eccentrically, the crushing process is completed, wherein the transmission shaft 21 is supported by two transmission shaft bushings 20, the transmission shaft bushings 20 are fixed on the transmission shaft frame 17 to prevent the transmission shaft bushings 20 from rotating, and flanges of the transmission shaft bushings 20 bear all thrust from the small bevel gear 16. The transmission shaft bracket 17 and the frame 38 are in tight fit and are firmly screwed by large-diameter bolts, an O-shaped ring arranged between the matching surfaces of the transmission shaft bracket 17 and the frame 38 can realize lubricating oil sealing, and a protective plate of the transmission shaft bracket 17 can provide protection for the exposed part of the transmission shaft bracket 17 so as to prevent the transmission shaft bracket 17 from being abraded by falling materials.

Further, an upper thrust bearing 12 is arranged below the lower main support, and a lower thrust bearing 13 is fixedly arranged at a position of the frame 38 opposite to the upper thrust bearing 12. The cone body 8 and the crushing wall 7 follow an eccentric motion track every time the eccentric sleeve 11 rotates for one circle, wherein the eccentric bushing 24 is fixed in an inner hole of the eccentric sleeve 11 by using a filler, and a bearing surface is provided for the eccentric sleeve 11. The eccentric sleeve 11 and the balance weight 10 are fastened through a group of bolts and supported by a lower thrust bearing 13 fixed on the plane of the frame 30, the lower thrust bearing 13 reduces the abrasion of the eccentric sleeve 11, and the backlash and the top clearance between the large and small conical gears can be adjusted by increasing or reducing an adjusting gasket below the lower thrust bearing 13.

The belt pulley 18 is also fixedly provided with a rotating speed sensor 19, the transmission shaft 21 is externally provided with a transmission shaft bracket 17, the transmission shaft bracket 17 is fixedly arranged on the rack 38, and the rotating speed of the main shaft 15 can be judged through the rotating speed sensor 19.

According to the labyrinth seal structure glue, a labyrinth seal structure is arranged between the frame 38 and the cone body 8, the seal mechanism comprises a U-shaped seal ring fixedly mounted on the frame, the U-shaped seal ring is provided with a T-shaped seal ring in a matched mode, the T-shaped seal ring is fixedly mounted on the cone body 8, and the labyrinth seal structure glue is good in seal effect of a traditional seal ring.

As a further improvement of the invention, a support sleeve 4 is engaged and arranged at the lower part of the outer ring of an adjusting sleeve 5, one side of the support sleeve 4 is fixedly connected with a piston rod of a driving cylinder 9, the other side of the support sleeve 4 is fixedly connected with a piston rod of a jack 22, an adjusting rod 48 is also fixedly arranged at the top of the adjusting sleeve 5, a screw rod 31 is vertically and fixedly arranged below the adjusting rod 48, the screw rod 31 is in threaded connection with the inner ring of a driven gear 1, a driving gear 2 is engaged and arranged at the outer ring of the driven gear 1, the driving gear 2 is driven by a hydraulic motor 3 to rotate, the other end of the adjusting rod 48 is slidably arranged at the outer side wall of a feeding hopper 37, and the feeding hopper 37 is positioned above a crushing.

Before use, the initial size of the discharge opening is adjusted according to the size of the material to be crushed, the driving gear 2 is driven to rotate through the hydraulic motor 3, the driven gear 1 is driven to rotate, then the screw rod can be driven to move upwards or downwards, the adjusting rod 48 is driven to slide upwards or downwards along the outer wall of the feeding hopper 37, the adjusting sleeve 5 is driven to move upwards and downwards to change the size of the discharge opening, after the material is adjusted to a proper position, the material enters a crushing cavity between the crushing wall 7 and the rolling mortar wall 6 through the feeding opening 37, after rotary crushing, the material is discharged and collected through a tight edge discharge opening or a loose edge discharge opening, in the process, when the uncrushable material enters the crushing cavity, the material generates pressure on the rolling mortar wall 6, under the pressure effect, the adjusting sleeve 5 and the supporting sleeve 4 can move upwards, the discharge opening is enlarged, and the uncrushable material can be smoothly discharged, simultaneously, the piston rod of the driving cylinder 9 moves upwards; after the materials are discharged, the supporting sleeve 4 moves downwards, so that the supporting sleeve 4 is restored to the original position, overload protection is realized, and the function of protecting equipment is achieved. The invention increases the application range of the cone crusher.

In order to ensure that the crusher works effectively and continuously, the material flow passing through the crushing cavity must be ensured to be continuous and uniform, and if the crusher is stopped under a load state, the crusher can be restarted after the whole crushing cavity is cleaned. According to the cone crusher, the jack is fixed on the flange on the frame through threads and is connected with the hydraulic station through the oil pipe, when the crusher needs to be cleaned, hydraulic oil of the hydraulic station enters the jack corresponding to the flange on the frame, the piston in the jack cylinder extends out, the support sleeve is upwards jacked away from the supporting surface of the frame, and the pressure of the lining plate of the crusher on materials in the lining plate is reduced due to the increase of ore discharge gaps, so that the materials can pass through the crusher.

Furthermore, a limiting rod 49 is fixedly mounted on the feeding hopper 37, and the limiting rod 49 is located below the adjusting rod 48. The arrangement of the limiting rod 49 can control the distance of the minimum discharge opening between the rolling mortar wall 6 and the crushing wall 7.

It should be noted that the specific embodiments described in this specification may differ in the components, shapes of the components, names of the components, and the like, and the above description is only an illustration of the structure of the present invention and the accompanying drawings. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A cone crusher, characterized in that: including the frame, the inside vertical fixed mounting of frame has the main shaft, the main shaft outside is rotated through eccentric bush and is installed eccentric cover, eccentric cover outside fixed mounting has the cone body, cone body outside fixed mounting has broken wall, the outer wall both sides of broken wall are provided with rolls the mortar wall, one side of them roll the mortar wall with form tight limit bin outlet between the broken wall, the opposite side roll the mortar wall with form loose limit bin outlet between the broken wall, and both sides roll mortar wall upper portion lateral wall have the adjusting sleeve through connecting piece demountable installation, roll mortar wall lower part lateral wall with the adjusting sleeve is connected in coordination, the cone body is provided with first arch towards axis upper portion inboard, the cone body is provided with the second arch towards axis lower part inboard, first arch and second arch difference fixed mounting have body upper liner and lower liner, and the upper body lining and the lower body lining are respectively and fixedly connected with the outer side of the eccentric sleeve.

2. The cone crusher in accordance with claim 1 wherein: the connecting piece comprises a wedge block, a clamping plate is fixedly mounted above the top of the wedge block, a ring plate is mounted on the clamping plate through a cotter pin in a connecting mode, the ring plate is fixedly mounted in the circumferential direction of a spherical nut, the spherical nut is in threaded connection with a square-head bolt, and the square-head bolt is connected with the adjusting sleeve.

3. The crushing chamber of a cone crusher according to claim 2, characterized in that: the inner wall of adjusting sleeve is fixed mounting still has the baffle, the baffle can restrict the rotation of square head bolt, the square head bolt outside still overlaps and is equipped with the sponge, the sponge is located between spherical nut and the square head bolt tip space, voussoir periphery cover is equipped with the cushion, and wherein fixed mounting has the adaptation ring on cushion one side.

4. The cone crusher in accordance with claim 1 wherein: conical body upper portion is through bolt fixed mounting still body spherical bearing, body spherical bearing rotates and installs on bowl shape tile, bowl shape tile fixed mounting is on bowl shape bearing bracket, bowl shape bearing bracket fixed mounting be in the main shaft top, bolt still threaded connection has the nut, the nut top is through screw still fastening mounting have the branch charging tray, broken wall top intercommunication broken chamber still is provided with the hopper.

5. The cone crusher in accordance with claim 1 wherein: the main shaft passes lower main support and with lower main support fixed connection, lower main support both sides fixed mounting has big bevel gear, big bevel gear meshing is provided with small bevel gear, small bevel gear is fixed according to on the transmission shaft, through belt pulley fixed connection, the belt pulley is driven by driving motor and is rotated, the conveying axle passes through the transmission shaft bush and rotates the installation in the frame.

6. The cone crusher in accordance with claim 5 wherein: an upper thrust bearing is arranged below the lower main support, and a lower thrust bearing is fixedly arranged at the position, right opposite to the upper thrust bearing, of the rack.

7. The cone crusher in accordance with claim 5 wherein: the belt pulley department still fixed mounting has speed sensor, and the transmission shaft outside is provided with the transmission pedestal, transmission pedestal fixed mounting be in the frame.

8. The cone crusher in accordance with claim 1 wherein: the sealing mechanism comprises a U-shaped sealing ring fixedly mounted on the frame, a T-shaped sealing ring is mounted on the U-shaped sealing ring in a matched mode, and the T-shaped sealing ring is fixedly mounted on the cone body.

9. The cone crusher in accordance with claim 1 wherein: the outer lane lower part meshing of adjusting collar is provided with the support cover, and one side wherein support cover and the piston rod fixed connection who drives actuating cylinder, opposite side the support cover and the piston rod fixed connection of jack, there is the regulation pole at the top of adjusting collar still fixed mounting, the perpendicular fixed mounting in regulation pole below has the lead screw, lead screw threaded connection driven gear inner circle, the meshing of driven gear outer lane is provided with the driving gear, the driving gear is driven by hydraulic motor and is rotated, it slides and sets up at the outside lateral wall of hopper to adjust the pole other end, the hopper is located broken wall top, and with tight limit bin outlet and slack limit bin outlet are linked together.

10. The cone crusher in accordance with claim 9 wherein: still fixed mounting has the gag lever post on the hopper, the gag lever post is located adjust the below of pole.