CN215586723U - Drive assembly for a pulverizer - Google Patents

Abstract

The utility model belongs to the technical field related to crushers, and discloses a driving assembly of a crusher, which comprises: the utility model is characterized in that a buffer device is arranged at one side of a positioning groove, when the blade shafts on the pulverizer rotatably extrude materials, if objects with too hard texture or improper extrusion angle appear in the materials, the two blade shafts on the pulverizer can be blocked, at the moment, the driving motor still outputs power, the positioning block on the rotating main shaft can be extruded with the buffer block, under the action of the first supporting spring and the second supporting spring, the buffer block can move in position, at the moment, under the action of the T-shaped sliding rod, the movement of the buffer block can be limited, and by utilizing the good elastic force of the first supporting spring and the second supporting spring, the buffer effect can be provided between the main gear and the auxiliary gear, and rigid extrusion damage between the main gear and the auxiliary gear is avoided.

Description

Drive assembly for a pulverizer

Technical Field

The utility model belongs to the technical field of crushers, and particularly relates to a driving assembly of a crusher.

Background

A pulverizer is a machine that pulverizes a large-sized solid raw material to a desired size. The crusher consists of coarse crushing, fine crushing, wind conveying and other devices, and the purpose of the crusher is achieved in a high-speed impact mode. The wind energy is utilized to produce powder at one time, and the traditional screening procedure is cancelled. In multiple trades such as mainly used mine, building materials, waste product packing, drive assembly is extremely important composition part on the rubbing crusher, for the crushing work of rubbing crusher provides power and carries out the transmission, can drive two shredder blade axles on the rubbing crusher through drive assembly and rotate, extrudes the shredding to the material.

The prior drive assembly technology has the following problems: the existing driving assembly also has certain defects in the application of the actual working process of the pulverizer, when the shredder blades on the pulverizer rotationally extrude materials, if the materials are excessively hard or extrude objects with improper angles, the phenomenon of jamming of the two shredder blades on the pulverizer can occur, and at the moment, because the driving motor is still in power output, two driving gears are easily extruded with each other, and the gears are damaged rigidly.

SUMMERY OF THE UTILITY MODEL

The present invention provides a driving assembly for a pulverizer, so as to solve the problem of the above-mentioned background art that when the shredder blades of the pulverizer rotationally extrude a material, if an object with too hard texture or an improper extrusion angle is present in the material, the two shredder blades of the pulverizer will jam, which easily causes the mutual extrusion damage of the two driving gears.

In order to achieve the purpose, the utility model provides the following technical scheme: a drive assembly for a pulverizer comprising: the material crushing device comprises a rotating main shaft and a rotating auxiliary shaft, wherein the rotating auxiliary shaft is arranged on one side of the rotating main shaft, blade shafts for crushing materials are fixed on the outer walls of the rotating main shaft and the rotating auxiliary shaft, a main gear is sleeved on the outer wall of the rotating main shaft close to the right side, an auxiliary gear meshed with the main gear is fixedly sleeved on the outer wall of the rotating auxiliary shaft, a connecting shaft is fixed at the right end of the main gear, a driving motor for driving the connecting shaft is arranged on the right side of the connecting shaft, a crankshaft is arranged at the output end of the driving motor, and the crankshaft is connected with the connecting shaft through a flange.

Preferably, a positioning block is fixed on the outer wall of the rotating main shaft, a shaft hole matched with the rotating main shaft is formed in the main gear, a positioning groove matched with the positioning block is formed in the main gear on the outer side of the shaft hole, and a buffer device is arranged on one side of the positioning groove.

Preferably, buffer is including locating the inside buffer block of constant head tank, the first supporting spring of fixedly connected with between buffer block and the master gear, the spout has been seted up to the inside of master gear, the inside cover of spout is equipped with T type slide bar, T type slide bar one end run through the master gear and with buffer block fixed connection, T type slide bar outside is located to first supporting spring cover, fixedly connected with second supporting spring between T type slide bar and the spout.

Preferably, the number of the positioning grooves and the number of the positioning blocks are three, and the main gear is connected with the rotating main shaft through the positioning grooves and the positioning blocks.

Preferably, the blade shafts on the outer wall of the main rotating shaft and the blade shafts on the outer wall of the secondary rotating shaft are distributed in a staggered manner.

Compared with the prior art, the utility model provides a driving assembly of a pulverizer, which has the following beneficial effects:

according to the utility model, the positioning block is fixed on the outer wall of the rotating main shaft, the shaft hole matched with the rotating main shaft is formed in the main gear, the positioning groove matched with the positioning block is formed in the main gear on the outer side of the shaft hole, the main gear is conveniently arranged on the positioning block on the rotating main shaft under the action of the positioning groove, and is restrained, so that the rotating main shaft can be driven to rotate by the main gear when the connecting shaft rotates;

according to the utility model, the buffering device is arranged on one side of the positioning groove, when the blade shafts on the pulverizer rotatably extrude materials, if the materials have too hard texture or are extruded at an improper angle, the two blade shafts on the pulverizer can be blocked, at the moment, the driving motor still outputs power, the positioning block on the rotating main shaft can be extruded with the buffering block, the buffering block can move in position under the action of the first supporting spring and the second supporting spring, at the moment, the movement of the buffering block can be limited under the action of the T-shaped sliding rod, and the buffering effect can be provided between the main gear and the auxiliary gear by utilizing the good elastic force of the first supporting spring and the second supporting spring, so that rigid extrusion damage between the main gear and the auxiliary gear is avoided;

the outer wall of the rotary auxiliary shaft is fixedly sleeved with an auxiliary gear meshed with the main gear, so that the rotary auxiliary shaft can rotate while the rotary main shaft rotates, and materials can be crushed by the rotary main shaft and the blade shafts on the rotary auxiliary shaft.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

FIG. 1 is a schematic view of an assembly structure of a driving assembly of a pulverizer according to the present invention;

FIG. 2 is a schematic view of a main gear assembly according to the present invention;

FIG. 3 is a schematic view of an assembly structure of the rotating spindle according to the present invention;

FIG. 4 is a schematic view of a buffer structure according to the present invention;

in the figure: 1. a blade shaft; 2. a main gear; 21. positioning a groove; 22. a buffer device; 221. a buffer block; 222. a first support spring; 223. a T-shaped slide bar; 224. a chute; 225. a second support spring; 23. a shaft hole; 3. rotating the main shaft; 31. positioning blocks; 4. a crankshaft; 5. a drive motor; 6. a flange; 7. rotating the counter shaft; 8. a pinion gear; 9. and (7) connecting the shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the rotary main shaft 3 and the rotary auxiliary shaft 7, the rotary auxiliary shaft 7 is arranged at one side of the rotary main shaft 3, the outer walls of the rotary main shaft 3 and the rotary auxiliary shaft 7 are both fixed with a blade shaft 1 for crushing materials, the outer wall of the rotary main shaft 3 near the right side is sleeved with a main gear 2, the outer wall of the rotary auxiliary shaft 7 is sleeved with an auxiliary gear 8 meshed with the main gear 2, the right end of the main gear 2 is fixed with a connecting shaft 9, the right side of the connecting shaft 9 is provided with a driving motor 5 for driving the connecting shaft 9, the output end of the driving motor 5 is provided with a shaft 4, the shaft 4 is connected with the connecting shaft 9 through a flange 6, after the driving motor 5 is electrified, the connecting shaft 9 is driven to rotate by the main gear 2, because the main gear 2 is meshed with the auxiliary gear 8, when the rotary main shaft 3 rotates, the secondary rotary shaft 7 also rotates, and the material can be crushed by rotating the main shaft 3 and the blade shaft 1 on the secondary rotary shaft 7.

A positioning block 31 is fixed on the outer wall of the rotating main shaft 3, a shaft hole 23 matched with the rotating main shaft 3 is formed in the main gear 2, a positioning groove 21 matched with the positioning block 31 is formed in the main gear 2 outside the shaft hole 23, the main gear 2 is conveniently installed on the positioning block 31 on the rotating main shaft 3 under the action of the positioning groove 21, the main gear 2 is restrained, and a buffer device 22 is arranged on one side of the positioning groove 21.

The buffering device 22 comprises a buffering block 221 arranged inside the positioning slot 21, a first supporting spring 222 is fixedly connected between the buffering block 221 and the main gear 2, a sliding slot 224 is formed inside the main gear 2, a T-shaped sliding rod 223 is sleeved inside the sliding slot 224, one end of the T-shaped sliding rod 223 penetrates through the main gear 2 and is fixedly connected with the buffering block 221, the first supporting spring 222 is sleeved outside the T-shaped sliding rod 223, a second supporting spring 225 is fixedly connected between the T-shaped sliding rod 223 and the sliding slot 224, when the blade shaft 1 on the pulverizer performs rotary extrusion on materials, if an object with too hard texture or an improper extrusion angle appears in the materials, the two blade shafts 1 on the pulverizer can be jammed, at this time, the driving motor 5 is still in power output, the positioning block 31 on the rotary main shaft 3 can be extruded with the buffering block 221, under the action of the first supporting spring 222 and the second supporting spring 225, the buffer block 221 will move, at this time, under the action of the T-shaped sliding rod 223, the movement of the buffer block 221 can be limited, and by using the good elastic force of the first support spring 222 and the second support spring 225, a buffer effect can be provided between the main gear 2 and the pinion 8, so as to prevent the main gear 2 and the pinion 8 from being damaged by extrusion.

The positioning grooves 21 and the positioning blocks 31 are three, the main gear 2 and the rotating main shaft 3 are connected with the positioning blocks 31 through the positioning grooves 21, and under the action of the positioning grooves 21 and the positioning blocks 31, the main gear 2 is conveniently installed on the outer wall of the rotating main shaft 3, so that the main gear 2 can drive the rotating main shaft 3 to rotate when the connecting shaft 9 rotates.

The blade shafts 1 on the outer wall of the main rotating shaft 3 and the blade shafts 1 on the outer wall of the auxiliary rotating shaft 7 are distributed in a staggered mode, and objects between the blade shafts 1 in the staggered mode can be squeezed and crushed when the blade shafts 1 rotate.

The working principle and the using process of the utility model are as follows: after the present invention is installed, when the present invention is used for working, after the driving motor 5 is powered on, the connecting shaft 9 is driven to rotate by the crankshaft 4, the connecting shaft 9 drives the rotating main shaft 3 to rotate by the main gear 2, because the main gear 2 and the pinion 8 are meshed with each other, the rotating auxiliary shaft 7 rotates while the rotating main shaft 3 rotates, the materials can be crushed by the rotating main shaft 3 and the blade shafts 1 on the rotating auxiliary shaft 7, when the blade shafts 1 on the crusher rotationally extrude the materials, if objects with too hard texture or improper extrusion angle appear in the materials, the two blade shafts 1 on the crusher can be stuck, at this time, the driving motor 5 is still in power output, the positioning block 31 on the rotating main shaft 3 can be extruded with the buffer block 221, under the action of the first supporting spring 222 and the second supporting spring 225, the buffer block 221 can move, the buffer block 221 can be limited under the action of the T-shaped sliding rod 223, a buffer effect can be provided between the main gear 2 and the pinion 8 by utilizing good elastic forces of the first support spring 222 and the second support spring 225, and the main gear 2 and the pinion 8 are prevented from being damaged due to long-time static extrusion between the main gear 2 and the pinion 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A drive assembly for a pulverizer, comprising: rotatory main shaft (3) and rotatory countershaft (7), one side of rotatory main shaft (3) is located in rotatory countershaft (7), all be fixed with on the outer wall of rotatory main shaft (3) and rotatory countershaft (7) and crowd the blade axle (1) of smashing the material, the cover is equipped with master gear (2) on the outer wall that rotatory main shaft (3) leaned on the right side, fixed cover is equipped with pinion (8) with master gear (2) engaged with on the outer wall of rotatory countershaft (7), the right-hand member of master gear (2) is fixed with connecting axle (9), the right side of connecting axle (9) is equipped with driving motor (5) that drives connecting axle (9), the output of driving motor (5) is equipped with spindle (4), be connected through flange (6) between spindle (4) and connecting axle (9).

2. The drive assembly for a pulverizer as defined by claim 1, wherein: the outer wall of the rotating main shaft (3) is fixedly provided with a positioning block (31), the inner portion of the main gear (2) is provided with a shaft hole (23) matched with the rotating main shaft (3), the main gear (2) on the outer side of the shaft hole (23) is provided with a positioning groove (21) matched with the positioning block (31), and one side of the positioning groove (21) is provided with a buffer device (22).

3. The drive assembly for a pulverizer as defined by claim 2, wherein: buffer (22) is including locating inside buffer block (221) of constant head tank (21), the first supporting spring (222) of fixedly connected with between buffer block (221) and master gear (2), spout (224) have been seted up to the inside of master gear (2), the inside cover of spout (224) is equipped with T type slide bar (223), master gear (2) are run through to T type slide bar (223) one end and with buffer block (221) fixed connection, T type slide bar (223) outside is located to first supporting spring (222) cover, fixedly connected with second supporting spring (225) between T type slide bar (223) and spout (224).

4. The drive assembly of a pulverizer as defined in claim 3, wherein: the three positioning grooves (21) and the three positioning blocks (31) are arranged, and the main gear (2) is connected with the rotating main shaft (3) through the positioning grooves (21) and the positioning blocks (31).

5. The drive assembly for a pulverizer as defined by claim 1, wherein: the blade shafts (1) on the outer walls of the rotating main shaft (3) and the blade shafts (1) on the outer walls of the rotating auxiliary shaft (7) are distributed in a staggered mode.

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