CN210230129U

CN210230129U - Scrap steel crusher

Info

Publication number: CN210230129U
Application number: CN201920895900.5U
Authority: CN
Inventors: Ji Liu; 刘吉
Original assignee: Gongyi Jinlong Hengji Heavy Industry Machinery Co ltd
Current assignee: Henan Bairuide Environmental Protection Technology Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-03
Anticipated expiration: 2029-06-14

Abstract

A scrap steel crusher comprises a crushing cavity located in a casing, a toothed plate type crushing part is arranged at the lower part of the crushing cavity, and a main shaft rotatably connected with the casing, wherein a plurality of rotating discs are coaxially and fixedly installed on the main shaft at intervals, a plum blossom spacer bush installed on the main shaft is arranged between the two rotating discs, a plurality of hammers are uniformly and rotatably connected between the two rotating discs along the circumferential direction, a plurality of arc-shaped grooves are formed in the plum blossom spacer bush to form a plum blossom-shaped structure, the hammers extend into the arc-shaped grooves and do not contact with the plum blossom spacer bush when rotating to the nearest position away from the plum blossom spacer bush, the hammers can rotate 360 degrees between the two rotating discs, one end of the main shaft extends out of a casing and is connected with a driving device through a connecting shaft, and when encountering a material with high hardness, the hammers can; the resetting of the connecting shaft piece is easy, stable and not easy to damage; the overload protection function is provided, the damage of overload to the motor is prevented, and the service life of the motor is prolonged; can cut off power transmission in time, protect the tup not receive the damage.

Description

Scrap steel crusher

Technical Field

The utility model relates to a breaker equipment field, especially a steel scrap breaker.

Background

The hammer crusher mainly completes the operation of crushing materials by impact energy. When the hammer crusher works, the motor drives the rotor to rotate at a high speed, materials uniformly enter the crusher cavity, the high-speed rotating hammer head impacts, cuts and tears the materials to crush the materials, meanwhile, the gravity action of the materials enables the materials to impact the inner baffle plate and the screen bars of the frame body from the high-speed rotating hammer head, the materials larger than the size of the screen holes are retained on the screen plate to continue to be struck and ground by the hammer until the materials are crushed to the required discharge 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 very large. The scrap steel crusher is used to crush bicycle, motorcycle, automobile frame, color steel tile and other non-ferrous metals. In the process of crushing materials, the scrap steel crusher is inevitable to mix other materials with higher hardness. In such a case the hammer head and the lining plate inside the crusher are easily damaged.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defect of prior art, the utility model aims at providing a steel scrap breaker, the tup can autogiration, protects the tup, has overload protection function simultaneously, protection tup and motor.

Its solution is, a scrap steel breaker, including the casing, be located the broken chamber of casing, the lower part in broken chamber is equipped with pinion rack formula crushing portion, rotates the main shaft of being connected with the casing, coaxial fixed interval installs a plurality of carousels on the main shaft, is equipped with the plum blossom spacer sleeve of installing on main shaft between two carousels, rotates along circumference equipartition between two carousels and is connected with a plurality of tuses, be equipped with a plurality of arcs on the plum blossom spacer sleeve and constitute plum blossom column structure, the tup is rotatory when reaching distance plum blossom spacer sleeve nearest position the tup stretch into the arc wall and not contact with the plum blossom spacer sleeve, and the tup can realize 360 degrees rotations between two carousels, the one end of main shaft is stretched out the casing and is connected with drive arrangement through connecting shaft, connecting shaft includes from left side cylinder and right cylinder of right side, the right bottom surface of left side cylinder is coaxial being equipped with the first hole, The left side surface of the right cylinder is coaxially fixed with a cylindrical boss with the diameter smaller than that of the right cylinder, round platform-shaped holes with the diameter larger than the left diameter are arranged in the boss and the right cylinder, the boss extends into the first hole and is rotationally connected with the left cylinder, round platform bodies with the diameter larger than the left diameter are arranged in the round platform-shaped holes, one sides of the round platform bodies, which are far away from the right cylinder, are provided with first cylinders which extend into the second hole and are slidably connected with the left cylinder, the left side of each first cylinder is provided with second cylinders with the diameter smaller than that of each first cylinder and extend into the third hole and are slidably connected with the third hole, two sliding grooves are symmetrically arranged on the inner wall of each third hole, two sliding blocks extending into the sliding grooves on the corresponding sides are arranged on the second cylinders, a driving rod extending into the sliding grooves from the side walls is symmetrically arranged on the left cylinder, the driving rod is positioned on the right side of the sliding block, one sides of the driving, the inclined plane contacts with the slider that corresponds the side, the symmetry is equipped with two on the lateral wall in round platform shape hole and lays the hole, is equipped with two on the inner wall in first hole and lays the coaxial spacing hole in hole, two lay downthehole ball that all prevents, and one side and the round platform body of ball contact its opposite side stretch into spacing downthehole, be equipped with the pressure spring between the diapire in second cylinder and third hole, the left side of left side cylinder is equipped with left flange, and left flange passes through elastic pin fixed connection, be fixed with two depression bars on the flange of a left side, the depression bar stretches out left cylinder one end contact with the actuating lever that corresponds the side, the one end that the actuating lever stretches out left cylinder is equipped with the inclined plane that upwards inclines to the direction that deviates from the depression bar, and the depression bar contacts with this inclined plane, left side flange is connected with.

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 coaxially and fixedly connected with the right column.

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

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

The utility model has the advantages that: when materials with higher hardness are encountered, the hammer head can automatically rotate 360 degrees to protect the hammer head; the resetting of the connecting shaft piece is easy, stable and not easy to damage; the overload protection function is provided, the damage of overload to the motor is prevented, and the service life of the motor is prolonged; can cut off power transmission in time, protect the tup not receive the damage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the installation schematic diagram of the main shaft and the hammer head of the present invention.

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

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

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

Detailed Description

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

Given by figures 1 to 5, a scrap steel crusher comprises a casing 1, a crushing cavity in the casing 1, a toothed plate type crushing part arranged at the lower part of the crushing cavity, and a main shaft 2 rotatably connected with the casing 1, and is characterized in that a plurality of rotary tables 3 are coaxially and fixedly installed on the main shaft 2 at intervals, a plum blossom spacer 4 installed on the main shaft 2 is arranged between the two rotary tables 3, a plurality of hammers 5 are uniformly and rotatably connected between the two rotary tables 3 along the circumferential direction, a plurality of arc-shaped grooves are arranged on the plum blossom spacer 4 to form a plum blossom structure, the hammers 5 extend into the arc-shaped grooves and do not contact with the plum blossom spacer 4 when the hammers 5 rotate to the nearest position away from the plum blossom spacer 4, the hammers can realize 360-degree rotation between the two rotary tables, one end of the main shaft 2 extends out of the casing and is connected with a driving device through a connecting shaft, the connecting shaft comprises a cylindrical left cylinder 6 and a cylindrical right cylinder 7, the right bottom surface of the left cylinder 6 is coaxially provided with a first hole, a second hole and a third hole which are sequentially reduced in diameter from right to left, the left side surface of the right cylinder 7 is coaxially fixed with a cylindrical boss 8 with a diameter smaller than that of the right cylinder 7, round platform holes 9 with a large left side diameter are arranged in the boss 8 and the right cylinder 7, the boss 8 extends into the first hole and is rotatably connected with the left cylinder 6, a round platform body 10 with a large left side diameter is arranged in the round platform hole 9, one side of the round platform body 10, which is deviated from the right cylinder 7, is provided with a first cylinder 11 which extends into the second hole and is slidably connected with the left cylinder 6, the left side of the first cylinder 11 is provided with a second cylinder 12 with a diameter smaller than that of the first cylinder 11 and extends into the third hole and is slidably connected with the third hole, two sliding grooves 13 are symmetrically arranged on the inner wall of the third hole, and two sliding blocks 14 which extend into the corresponding sliding, the driving rod 15 extending into the sliding groove 13 from the side wall is symmetrically and slidably arranged on the left column body 6, the driving rod 15 is positioned on the right side of the sliding block 14, an inclined surface inclining towards the direction outwards towards the sliding block 14 is arranged on one side of the driving rod 15 extending into the sliding groove 13, the inclined surface is contacted with the sliding block 14 on the corresponding side, two placing holes 16 are symmetrically arranged on the side wall of the circular truncated cone-shaped hole 9, two limiting holes 17 coaxial with the two placing holes 16 are arranged on the inner wall of the first hole, balls 18 are prevented in the two placing holes 16, one side of each ball 18 is contacted with the circular truncated cone 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, a left flange 20 is arranged on the left side of the left column body 6, the left flange 20 is fixedly connected through an elastic pin 21, two pressure levers 22 are fixed on the left flange 20, and the pressure levers 22, one end of the driving rod 15 extending out of the left column 6 is provided with an inclined surface which inclines upwards to the direction departing from the pressing rod 22, the pressing rod 22 is contacted with the inclined surface, the left flange 20 is connected with the main shaft 2, and the right column 7 is connected with the driving device.

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 coaxially and fixedly connected with the right column body 7.

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 pressure spring 19 presses the circular truncated cone and further presses the ball 18 to enter the limiting hole 17, and therefore power transmission between the left column body 6 and the right column body 7 is achieved.

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

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

The utility model discloses when using, the motor moves the transmission through connecting shaft spare and main shaft 2, drives main shaft 2 and carries out high-speed rotation, and then drives broken head, and broken head and the broken mutual action of pinion rack formula carry out the breakage to the scrap steel. When materials needing to be crushed are doped with materials with high hardness, the crushing head can rotate 360 degrees, and the hammer head 5 can be wound by the materials with high hardness, so that the hammer head 5 is well protected. When great material is difficult to the breakage, even the axle can work this moment, prevents that the motor from transshipping and burning the machine, protects tup 5.

The shaft connecting piece works and is installed as follows, firstly, the left column body 6 and the right column body 7 are partially installed, and then the main shaft 2 is connected with the output shaft of the speed reducer. When the left flange 20 and the main shaft 2 are connected, the structure of the left flange 20 is connected with the left column body 6 through the elastic pin 21, 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 an output shaft of the speed reducer. In the use, if the breaker appears the too big back by hard waste card machine, elastic pin 21 can take place to warp, relative rotation can take place for left flange 20 and left cylinder 6, and then depression bar 22 and actuating lever 15 take place relative motion, depression bar 22 makes actuating lever 15 move in the cylinder 6 left through the inclined plane on the actuating lever 15, actuating lever 15 moves and makes slider 14 and round platform body 10 move to pressure spring 19 direction through first inclined plane on the actuating lever 15, and then ball 18 moves in the cylinder 7 right, there is not the linking effect that ball 18 goes on between left cylinder 6 and right cylinder 7, then relative rotation will take place for left cylinder 6 and right cylinder 7, and then cut off power transmission, protect the motor. After the fault of the shredder is eliminated, the left cylinder 6 and the right cylinder 7 are driven to rotate relatively by hand, and after the two balls 18 enter the limiting hole 17 again, the transmission structure can work again without being disassembled, and the resetting is fast.

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

Claims

1. The utility model provides a scrap steel crusher, includes casing (1), is located broken chamber, the lower part in broken chamber of casing (1) and is equipped with pinion rack formula crushing portion, rotates main shaft (2) of being connected with casing (1), its characterized in that, 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), is connected with a plurality of tups (5) along circumference equipartition rotation between two carousel (3), be equipped with a plurality of arc walls on plum blossom spacer (4) and constitute plum blossom-shaped structure, tup (5) stretch into the arc wall and not contact with plum blossom spacer (4) when tup (5) are rotatory to distance plum blossom spacer (4) nearest position, and the tup can realize 360 degrees rotations between two carousels, the one end of main shaft (2) is stretched out the casing and is connected with drive arrangement through connecting shaft spare, the shaft connecting piece comprises a cylindrical left cylinder body (6) and a cylindrical right cylinder body (7), a first hole, a second hole and a third hole which are sequentially reduced in diameter are coaxially arranged on the right bottom surface of the left cylinder body (6) from right to left, a cylindrical boss (8) with the diameter smaller than that of the right cylinder body (7) is coaxially fixed on the left side surface of the right cylinder body (7), a round platform-shaped hole (9) with the diameter larger than that of the left side is arranged in the boss (8) and the right cylinder body (7), a first cylinder (11) which extends into the second hole and is connected with the left cylinder body (6) in a sliding mode is arranged on one side, deviating from the right cylinder body (7), of the round platform body (10) with the diameter larger than that of the first cylinder (11) and extends into the third hole and is connected with the third hole in a sliding mode, a second cylinder (12) with the diameter smaller than that of the first cylinder (11) and which extends into the third hole in a sliding mode is arranged on the left side of the round platform, two sliding grooves (13) are symmetrically arranged on the inner wall of the third hole, two sliding blocks (14) extending into the sliding grooves (13) on the corresponding side are arranged on the second cylinder (12), a driving rod (15) extending into the sliding grooves (13) from the side wall is symmetrically arranged on the left cylinder (6) in a sliding manner, the driving rod (15) is positioned on the right side of the sliding blocks (14), an inclined surface inclined towards the direction of the outward sliding blocks (14) is arranged on one side, extending into the sliding grooves (13), of the driving rod (15), the inclined surface is contacted with the sliding blocks (14) on the corresponding side, two placing holes (16) are symmetrically arranged on the side wall of the circular truncated cone-shaped hole (9), two limiting holes (17) coaxial with the two placing holes (16) are arranged on the inner wall of the first hole, balls (18) are placed in the two placing holes (16), one side of each ball (18) is contacted with the circular truncated cone body (10), and the opposite side of each ball, be equipped with pressure spring (19) between the diapire of second cylinder (12) and third hole, the left side of left side cylinder (6) is equipped with left flange (20), and left flange (20) are through elasticity pin (21) fixed connection, be fixed with two depression bars (22) on left side flange (20), depression bar (22) and actuating lever (15) that correspond the side stretch out left cylinder (6) one end contact, the one end that actuating lever (15) stretched out left cylinder (6) is equipped with the inclined plane that upwards inclines to the direction that deviates from depression bar (22), and depression bar (22) contact with this inclined plane, left side 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 means comprises a driving motor, a reducer, the output shaft of the driving motor is connected with the input shaft of the reducer, and the output shaft of the reducer is coaxially and fixedly connected with the right column (7).

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

4. The scrap crusher according to claim 1, characterized in that the cone (10), the first cylinder (11) and the second cylinder (12) are of one-piece construction.