CN110090691B

CN110090691B - Scrap steel crusher

Info

Publication number: CN110090691B
Application number: CN201910515278.5A
Authority: CN
Inventors: 刘吉
Original assignee: Henan Bairuide Environmental Protection Technology Co ltd
Current assignee: Henan Bairuide Environmental Protection Technology Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2023-06-06
Anticipated expiration: 2039-06-14
Also published as: CN110090691A

Abstract

A scrap steel crusher comprises a crushing cavity positioned in a shell, a toothed plate type crushing part arranged at the lower part of the crushing cavity, and a main shaft rotationally connected with the shell, wherein a plurality of turntables are coaxially and fixedly arranged on the main shaft at intervals, plum blossom spacers arranged on the main shaft are uniformly and circumferentially connected between the two turntables, a plurality of hammers are uniformly and rotationally arranged on the plum blossom spacers, a plum blossom-shaped structure is formed by a plurality of arc grooves on the plum blossom spacers, the hammers extend into the arc grooves and do not contact with the plum blossom spacers when rotating to the nearest position of the plum blossom spacers, the hammers can rotate for 360 degrees between the two turntables, one end of the main shaft extends out of a shell and is connected with a driving device through a connecting shaft, and when encountering materials with larger hardness, the hammers can automatically rotate for 360 degrees to protect the hammers; the resetting of the connecting shaft is easy, stable in performance and not easy to damage; the motor has overload protection function, damage to the motor caused by overload is prevented, and the service life of the motor is prolonged; the power transmission can be cut off in time, and the hammer head is protected from being damaged.

Description

Scrap steel crusher

Technical Field

The invention relates to the field of crusher equipment, in particular to a scrap steel crusher.

Background

The hammer crusher mainly uses impact energy to complete the operation of crushing materials. When the hammer crusher works, the motor drives the rotor to rotate at a high speed, materials uniformly enter the crusher cavity, the hammer heads rotating at a high speed impact, shear and tear the materials to crush the materials, meanwhile, the gravity of the materials self causes the materials to be impacted to the baffle plate and the screen bars in the frame body from the hammer heads rotating at a high speed, the materials with the size larger than the screen holes are blocked on the screen plate and continuously beaten and ground by the hammer until the materials are crushed to the required discharging granularity, and finally the materials are discharged out of the crusher through the screen plate.

When the scrap steel crusher crushes materials, the hammer head of the scrap steel crusher rotates at a high speed, and the impact force between the hammer head and the materials is large. The waste steel crusher is mainly used for crushing nonferrous metals such as bicycles, motorcycles, automobile frames, color steel tiles and the like. In the process of crushing materials, the scrap steel crusher is inevitably doped with other materials with higher hardness. In such a case the hammer head and the lining plate inside the crusher are easily damaged.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention aims to provide the scrap steel crusher, the hammer head can automatically rotate to protect the hammer head, and meanwhile, the scrap steel crusher has an overload protection function to protect the hammer head and the motor.

The utility model provides a steel scrap breaker, including the casing, be located the crushing chamber in the casing, the lower part in crushing chamber is equipped with pinion rack crushing portion, with the main shaft of casing swivelling joint, coaxial fixed interval installs a plurality of turntables on the main shaft, be equipped with the plum blossom spacer that installs on the main shaft between the two turntables, along circumference equipartition swivelling joint there being a plurality of tups between the two turntables, be equipped with a plurality of arc grooves on the plum blossom spacer and constitute plum blossom column structure, the tup stretches into in the arc groove and does not contact with plum blossom spacer when the tup rotates to the nearest position apart from plum blossom spacer, the tup can realize 360 degrees rotations between two turntables, the one end of main shaft stretches out the casing and is connected with drive arrangement through the connecting shaft spare, the connecting shaft spare includes cylindric left cylinder and right cylinder, the right bottom surface is from right side coaxial first hole, the second hole, the third hole that is equipped with diameter is less than the cylinder boss of right cylinder along circumference equipartition swivelling joint, be equipped with left side diameter big circular boss in the cylinder boss in the right cylinder, left side diameter big boss is equipped with the left side diameter big boss, and the right cylinder body is equipped with the left side diameter boss and the second cylinder body is connected to the cylinder body, left side diameter is equipped with the cylinder body and the second cylinder body is connected to the cylinder body, left side diameter is connected to the cylinder body, the cylinder body is connected to the inside the cylinder body is stretched into from the second side, the cylinder body is equipped with a left side, the cylinder body is stretched into the cylinder body, the cylinder body is equipped with a left side diameter, and the cylinder body is connected to the cylinder body, and the inside diameter is connected to the cylinder body is stretched into the cylinder, one side that the actuating lever stretched into the spout is equipped with the inclined plane that outwards leans towards the slider direction, the inclined plane contacts with the slider of corresponding side, the symmetry is equipped with two and lays the hole on the lateral wall in round platform shape hole, be equipped with two on the inner wall in first hole and lay the coaxial spacing hole in hole with two all prevent to have the ball in the laying hole, one side of ball stretches into spacing downthehole with its opposite side of round platform body contact, be equipped with the pressure spring between the diapire in second cylinder and third hole, the left side of left cylinder is equipped with left flange, and left flange passes through elastic pin fixed connection, be fixed with two depression bars on the left flange, the depression bar stretches out left cylinder one end contact with the actuating lever of corresponding side, the actuating lever stretches out the one end of left cylinder and is equipped with upwards deviates from the inclined plane of orientation slope of depression bar, depression bar and this inclined plane contact, left flange is connected with the main shaft, right cylinder is connected with drive arrangement.

Preferably, the driving device comprises a driving motor and a speed reducer, an output shaft of the driving motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is fixedly connected with the right column body in a coaxial way.

Preferably, the right cylinder is fixedly connected with a right flange through bolts.

Preferably, the truncated cone, the first cylinder and the second cylinder are of an integrated structure.

The beneficial effects of the invention are as follows: when encountering materials with high hardness, the hammer head can automatically rotate for 360 degrees to protect the hammer head; the resetting of the connecting shaft is easy, stable in performance and not easy to damage; the motor has overload protection function, damage to the motor caused by overload is prevented, and the service life of the motor is prolonged; the power transmission can be cut off in time, and the hammer head is protected from being damaged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the installation of the spindle and the hammer head of the present invention.

Fig. 3 is an external schematic view of the coupling of the present invention.

Fig. 4 is a schematic perspective view of the coupling of the present invention.

Fig. 5 is an internal schematic view of the coupling of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the drawings.

The waste steel crusher comprises a shell 1, a crushing cavity positioned in the shell 1, a toothed plate type crushing part arranged at the lower part of the crushing cavity, and a main shaft 2 rotationally connected with the shell 1, and is characterized in that a plurality of turntables 3 are coaxially and fixedly arranged on the main shaft 2 at intervals, a plum blossom spacer 4 arranged on the main shaft 2 is arranged between the turntables 3, a plurality of hammers 5 are uniformly and rotationally connected between the turntables 3 along the circumferential direction, a plurality of arc grooves are arranged on the plum blossom spacer 4 to form a plum blossom-shaped structure, the hammers 5 extend into the arc grooves and do not contact with the plum blossom spacer 4 when the hammers 5 rotate to the nearest position to the plum blossom spacer 4, the hammers can realize 360-degree rotation between the turntables, one end of the main shaft 2 extends out of the shell and is connected with a driving device through a connecting shaft, the connecting shaft comprises a cylindrical left column 6 and a right column 7, the right bottom surface of the left column body 6 is coaxially provided with a first hole, a second hole and a third hole with diameters reduced in sequence from right to left, the left side surface of the right column body 7 is coaxially fixed with a cylindrical boss 8 with diameters smaller than that of the right column body 7, round table-shaped holes 9 with large diameters on left sides are arranged in the boss 8 and the right column body 7, the boss 8 stretches into the first hole and is rotationally connected with the left column body 6, a round table body 10 with large diameters on left sides is arranged in the round table-shaped holes 9, one side of the round table body 10, which is far away from the right column body 7, is provided with a first cylinder body 11 stretching into the second hole and being slidingly connected with the left column body 6, the left side of the first cylinder body 11 is provided with a second cylinder body 12 with diameters smaller than the first cylinder body 11 and stretching into the third hole and being slidingly connected with the third hole, two sliding grooves 13 are symmetrically arranged on the inner wall of the third hole, two sliding blocks 14 stretching into the corresponding side sliding grooves 13 are arranged on the second cylinder body 12, the left cylinder 6 is symmetrically and slidably provided with a driving rod 15 extending into the sliding groove 13 from the side wall, the driving rod 15 is positioned on the right side of the sliding block 14, one side of the driving rod 15 extending into the sliding groove 13 is provided with an inclined surface inclined outwards towards the sliding block 14, the inclined surface is contacted with the sliding block 14 on the corresponding side, the side wall of the round table-shaped hole 9 is symmetrically provided with two placing holes 16, the inner wall of the first hole is provided with two limiting holes 17 coaxial with the two placing holes 16, balls 18 are prevented from being arranged in the two placing holes 16, one side of each ball 18 is contacted with the round table body 10, the opposite side of each ball 18 extends into the limiting hole 17, a pressure spring 19 is arranged between the bottom walls of the second cylinder 12 and the third hole, the left side of the left cylinder 6 is provided with a left flange 20, the left flange 20 is fixedly connected with one end of the corresponding side driving rod 15 extending out of the left cylinder 6 through an elastic pin 21, one end of the driving rod 15 extending out of the left cylinder 6 is provided with an inclined surface inclined upwards away from the pressing rod 22, the pressing rod 22 is contacted with the left flange 20, and the left flange 20 is connected with the main shaft 7 and the main shaft 2.

The driving device comprises a driving motor and a speed reducer, an output shaft of the driving motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is fixedly connected with the right column body 7 in a coaxial manner.

The main shaft 2 extends into the hole of the left flange 20 and is connected with the left flange 20 through a connecting key. The compression spring 19 presses the round table and then presses the ball 18 to enter the limiting hole 17, so that power transmission between the left column body 6 and the right column body 7 is realized.

The right column 7 is fixedly connected with a right flange 23 through bolts. The structure of the right flange 23 is arranged, so that an output shaft of the speed reducer is fixedly connected with the right column body 7 in a coaxial mode, and the right flange 23 can be directly fixedly connected with the output shaft of the speed reducer through a transmission key.

The truncated cone 10, the first cylinder 11 and the second cylinder 12 are of an integral structure.

When the steel scrap crushing device is used, the motor is in dynamic transmission with the main shaft 2 through the connecting shaft piece, the main shaft 2 is driven to rotate at a high speed, and then the crushing head is driven to interact with the toothed plate type crushing part to crush the steel scrap. When materials with larger hardness are doped in the materials to be crushed, the crushing head can rotate 360 degrees, so that the hammer head 5 can be wound by the materials with larger hardness, and the hammer head 5 can be well protected. When there is great material to be difficult to broken, the connecting shaft piece can work this moment, prevents that the motor from transshipping the burn-in, protects tup 5.

The shaft coupling works and is installed as follows, the left column 6 and the right column 7 are first partially installed, and then the connection between the main shaft 2 and the output shaft of the speed reducer is performed. When in connection, the left flange 20 structure is connected with the left column body 6 through the elastic pin 21, then the left flange 20 and the main shaft 2 are connected and installed through keys, and finally the left flange 23 is fixedly connected with the output shaft of the speed reducer. In the use, if the breaker appears the load too big by hard waste material card machine back, elastic pin 21 can take place to warp, left side flange 20 and left cylinder 6 can take place relative rotation, and then depression bar 22 and actuating lever 15 take place relative motion, depression bar 22 makes actuating lever 15 left cylinder 6 internal motion through the inclined plane on the actuating lever 15, actuating lever 15 motion makes slider 14 and round platform body 10 to pressure spring 19 direction motion through the first inclined plane on the actuating lever 15, and then ball 18 moves right cylinder 7 internal motion, do not have the connection effect that ball 18 carried out between left cylinder 6 and right cylinder 7, then left cylinder 6 and right cylinder 7 will take place relative rotation, and then cut off power transmission, protect the motor. After the fault of the shredder is eliminated, the left column body 6 and the right column body 7 are driven by hand to rotate relatively, and after the two balls 18 reenter the limiting holes 17, the transmission structure can work again without disassembly and is reset quickly.

The above-described embodiments are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.

Claims

1. The utility model provides a scrap steel crusher, includes casing (1), is located the crushing chamber in casing (1), the lower part in crushing chamber is equipped with pinion rack type crushing portion, main shaft (2) of being connected with casing (1) rotation, a serial communication port, coaxial fixed interval installs a plurality of carousel (3) on main shaft (2), is equipped with plum blossom spacer (4) of installing on main shaft (2) between two carousel (3), and the equipartition rotates along circumference between two carousel (3) and is connected with a plurality of tup (5), be equipped with a plurality of arc grooves on plum blossom spacer (4) and constitute plum blossom column structure, and tup (5) stretch into in the arc groove and do not contact with plum blossom spacer (4) when the rotation is to the nearest position apart from plum blossom spacer (4), and the tup can realize (360) degree rotations between two carousels, the one end of main shaft (2) stretches out the casing and is connected with drive arrangement through the even shaft piece, even shaft piece includes cylindric left cylinder (6) and right cylinder (7), the right bottom surface is equipped with a plurality of tup (8) from the coaxial diameter of left and right cylinder (7) and the diameter of cylinder (8) that reduces in proper order, the diameter of cylinder (8) is big diameter of cylinder (7) and the diameter of cylinder (8 in order, the boss (8) stretches into the first hole and is rotationally connected with the left column body (6), be equipped with round platform body (10) that left side diameter is big in round platform shape hole (9), one side that round platform body (10) deviate from right column body (7) is equipped with stretches into second hole and with left column body (6) sliding connection's first cylinder (11), the left side of first cylinder (11) is equipped with diameter less than first cylinder (11) and stretches into third hole and with third hole sliding connection's second cylinder (12), the inner wall in third hole is last symmetrical to be equipped with two spouts (13), be equipped with slider (14) that two stretch into in the corresponding side spout (13) on second cylinder (12), the symmetry slides on left column body (6) and is equipped with on the side wall to stretch into actuating lever (15) in spout (13), actuating lever (15) are located the right side of slider (14), one side that actuating lever (15) stretches into spout (13) is equipped with outwards inclined plane that slider (14) direction is less than, be equipped with two spouts (13) on the inner wall of third hole, two coaxial hole (16) are laid on two side wall (16) are located on the side wall (16) of two holes (16), one side of ball (18) stretches into in spacing hole (17) with its opposite side of round platform body (10) contact, be equipped with pressure spring (19) between the diapire in second cylinder (12) and third hole, the left side of left cylinder (6) is equipped with left flange (20), and left flange (20) pass through elastic pin (21) fixed connection, be fixed with two depression bars (22) on left flange (20), depression bar (22) stretch out left cylinder (6) one end contact with driving lever (15) of corresponding side, driving lever (15) stretch out the one end of left cylinder (6) and be equipped with upwards to the inclined plane that deviates from the direction slope of depression bar (22), depression bar (22) and this inclined plane contact, left flange (20) are connected with main shaft (2), and right cylinder (7) are connected with drive arrangement.

2. The scrap steel crusher according to claim 1, characterized in that the driving device comprises a driving motor and a speed reducer, an output shaft of the driving motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is fixedly connected with the right column (7) coaxially.

3. Scrap steel crusher according to claim 1 or 2, characterized in that the right column (7) is fixedly connected with a right flange (23) by means of bolts.

4. Scrap steel crusher according to claim 1, characterized in that the cone (10), the first cylinder (11), the second cylinder (12) are of unitary construction.