CN210875577U - Reversible sand crusher - Google Patents

Abstract

The utility model discloses a reversible gravel crusher, which comprises a shell, wherein a crushing device is arranged in the shell below a corresponding material feeding hole, an adjustable material guide device positioned above the crushing device is correspondingly arranged at the material feeding hole, adjustable counterattack devices are correspondingly arranged at two sides of the crushing device and the adjustable material guide device in the shell, the crushing device comprises a reversible crushing shaft rotatably arranged in the shell, a plurality of crushing wheels are arranged on the reversible crushing shaft, and a plurality of crushing plate hammers are fixedly arranged at the periphery of the crushing wheels through a quick dismounting device; compare with needing the sieve among the current hammer crusher technique, this reversible grit crusher no longer sets up the sieve, does not take place to block up, no longer receives moisture to influence, and through setting up adjustable counterattack device and adjustable guide device, control broken dynamics and output realize reversible rotation through electrical system, not only improve equipment's vulnerable part's life, still improved crushing efficiency.

Description

Reversible sand crusher

Technical Field

The utility model belongs to the technical field of the system sand machine, especially, relate to a reversible grit breaker.

Background

At present, with the rapid development of industries such as building, civil engineering and the like in China, the demand of sandstone is higher and higher. The existing artificial sandstone crushing and sand making technology is generally divided into hammer type crushing and sand making and rod mill crushing and sand making. The hammer type sand making machine mainly finishes the operation of crushing materials by means of impact energy, when the hammer type sand making machine works, a motor drives a rotor to rotate at a high speed, the materials uniformly enter a crusher cavity, the materials are crushed by impacting and shearing the high-speed rotating hammer head, meanwhile, the materials are enabled to impact an inner baffle plate and a screen bar of a frame body from the high-speed rotating hammer head under the action of gravity of the materials, a screen plate is arranged at the lower part of the rotor, the part, smaller than the size of the screen hole, of the crushed materials is discharged through the screen plate, the materials larger than the size of the screen hole are stopped on the screen plate and are continuously beaten and ground by the hammer until the crushed materials are crushed to the required discharge granularity, and finally the crushed materials are discharged out of. But when the material water content is slightly bigger, when the material stops on the sieve and the machinery receives impact and grinding, the material is easy to be caked to block the sieve plate, causing the phenomenon of sand making machine blocking.

In addition, adopt the tup constantly to rotate the in-process, the tup is long-time with material direct contact, continuous friction, the wearing and tearing of tup are comparatively serious, during the maintenance, need demolish broken axle from the organism, then dismantle broken wheel from broken epaxially one by one, change the back with the tup that the wearing and tearing are serious, this kind of design not only dismantles complicacy, wastes time and energy, is unfavorable for equipment maintenance, causes the maintenance cost too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a reversible gravel crusher that does not have the sieve, does not block up, system sand is efficient, long service life, easy maintenance is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: reversible grit breaker, which comprises a housin, it is provided with breaker to correspond material feed inlet below in the casing, material feed inlet department corresponds and is provided with and is located the adjustable guide device of breaker top, be located in the casing breaker with adjustable guide device's both sides still correspond and install adjustable counterattack device, breaker is including rotating the installation and being in reversible broken axle in the casing, install a plurality of broken wheels on the reversible broken axle, the periphery of broken wheel has a plurality of broken board hammers through quick assembly disassembly device fixed mounting.

As the preferred technical scheme, quick assembly disassembly device includes that integrated into one piece sets up the board hammer seat of broken wheel periphery, the top of board hammer seat is provided with the dovetail, the trapezoidal top opening orientation of dovetail one of them side of broken wheel, the broken board hammer corresponds the cooperation and installs in the dovetail, the afterbody of broken board hammer is provided with the board hammer hole, the lower part of board hammer seat be provided with board hammer hole complex seat hole, the seat hole with can dismantle through board hammer bolt and board hammer nut between the board hammer hole and be connected, the top setting of board hammer seat is favorable to the broken board hammer insert to installation groove in the dovetail.

Preferably, a hidden groove for protecting the plate hammer nut is formed in the surface of the plate hammer seat.

According to the preferable technical scheme, the tail end of the breaking board hammer is provided with a trapezoidal mounting handle matched with the dovetail groove, the top end of the breaking board hammer is provided with a board hammer cutter head, and striking protrusions are arranged on two sides of the board hammer cutter head respectively.

As a preferred technical scheme, the adjustable material guiding device comprises a material guiding plate rotatably installed in the shell, an arc-shaped material guiding slide rail is arranged on the shell, slide rail posts sliding along the material guiding slide rail are arranged at two ends of the material guiding plate, and the slide rail posts are locked and fixed on the shell through material guiding bolts.

According to the preferable technical scheme, the adjustable impact device comprises a first impact plate, the top end of the first impact plate is hinged to the top end of the shell, a second impact plate is hinged to the bottom end of the first impact plate, a first driving hydraulic oil cylinder is connected between the second impact plate and the shell, a third impact plate is hinged to the bottom end of the second impact plate, a second driving hydraulic oil cylinder is connected between the middle of the third impact plate and the shell, the third impact plate is an arc-shaped impact plate matched with the crushing device, and impact hammers are uniformly distributed on the inner surfaces of the first impact plate, the second impact plate and the third impact plate respectively.

By adopting the technical scheme, the reversible gravel crusher comprises a shell, wherein a crushing device is arranged in the shell below a corresponding material feeding hole, an adjustable material guide device positioned above the crushing device is correspondingly arranged at the material feeding hole, adjustable counterattack devices are correspondingly arranged on two sides of the crushing device and the adjustable material guide device in the shell, the crushing device comprises a reversible crushing shaft rotatably arranged in the shell, a plurality of crushing wheels are arranged on the reversible crushing shaft, and a plurality of crushing plate hammers are fixedly arranged on the peripheries of the crushing wheels through quick dismounting devices; the utility model has the advantages that:

1. the adjustable impact device can be used for adjusting the distance between the impact device and the crushing device and controlling the crushing strength and yield, so that materials with different sizes can be adapted to meet different production requirements, and compared with a whole rigid impact plate structure in the prior art, the adjustable impact device has the advantages that the adjustable impact device has an adjustable function and better flexibility, can be used for buffering the impact of the materials and prolonging the service life of the impact plate;

2. the adjustable material guide device can effectively relieve the potential energy of all materials directly falling onto the crushing device, reduce the larger impact caused by the overlarge potential energy on the crushing device, avoid the damage to the crushing device and prolong the service life of equipment;

3. need the sieve to compare in the technique with current hammer crusher, the utility model discloses no longer set up the sieve, no longer influenced by moisture, and crushing effect is better, the during operation, reversible crushing axle can corotation or reversal under driving motor's effect, realizes reversible principle.

4. Quick assembly disassembly device simple structure, reasonable in design, easy dismounting, when wearing and tearing appear in a certain board hammer and influence the use, change corresponding board hammer can, effectively reduce the equipment maintenance degree of difficulty, cost of maintenance, improve vulnerable part's life, improve crushing efficiency.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a crushing wheel and a crushing plate hammer according to an embodiment of the present invention;

FIG. 3 is a schematic view of another angle of the crushing wheel and the crushing plate hammer according to the embodiment of the present invention;

FIG. 4 is a front view of a crushing wheel and a crushing plate hammer according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a crushing wheel and a plate hammer seat according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a crushing plate hammer according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a background art configuration;

in the figure: 1-a shell; 11-a lower housing; 12-a left housing; 13-a right housing; 2-material feed inlet; 3-a crushing device; 31-a reversible crushing shaft; 32-a crushing wheel; 33-breaking hammer plate; 34-a plate hammer seat; 35-a dovetail groove; 36-plate hammer holes; 37-seat hole; 38-hammer bolt; 39-hammer nut; 310-installing a groove; 311-hiding grooves; 331-trapezoidal mounting shank; 332-hammer head of a board; 4-adjustable material guiding device; 41-a material guide plate; 42-a material guide slide rail; 43-a slide rail column; 44-guide bolts; 5-adjustable counterattack device; 51-a first counterattack panel; 52-second reaction plate; 53-a first drive hydraulic ram; 54-a third counterattack panel; 55-a second drive hydraulic cylinder; 56-material feed opening; 57-counterattack hammer head.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1 to 6, the reversible gravel crusher comprises a housing 1, a crushing device 3 is arranged in the housing 1 below a material inlet 2, an adjustable material guiding device 4 located above the crushing device 3 is correspondingly arranged at the material inlet 2, adjustable counterattack devices 5 are further correspondingly arranged on two sides of the crushing device 3 and the adjustable material guiding device 4 in the housing 1, the crushing device 3 comprises a reversible crushing shaft 31 rotatably arranged in the housing 1, a plurality of crushing wheels 32 are arranged on the reversible crushing shaft 31, the crushing wheels 32 are in the prior art and are arranged on the reversible crushing shaft 31, and a plurality of crushing board hammers 33 are fixedly arranged on the periphery of the crushing wheels 32 through a quick dismounting device.

Referring to fig. 1, the adjustable material guiding device 4 includes a material guiding plate 41 rotatably installed in the housing 1, an arc-shaped material guiding slide rail 42 is disposed on the housing 1, slide rail posts 43 sliding along the material guiding slide rail 42 are disposed at two ends of the material guiding plate 41, and the slide rail posts 43 are locked and fixed on the housing 1 through material guiding bolts 44. When the material guide plate 41 needs to be adjusted, the material guide bolt 44 is unscrewed from the slide rail column 43, then the slide rail column 43 can slide along the material guide plate 41 until the slide rail column stops sliding to a required position, and then the slide rail column 43 is screwed in, so that the material guide plate 41 is fixedly connected to the housing 1, and the position of the material guide plate 41 is kept fixed. When the material guide plate 41 is adjusted and fixed in the position shown in fig. 1, the material entering from the material inlet 2 firstly collides with the material guide plate 41, then part of the material rebounds and collides with the adjustable impact device 5 to be crushed and rebounds to the crushing device 3, and the other part of the material falls into one side of the crushing device 3 along the material guide plate 41, the arrangement of the material guide plate 41 can effectively relieve the potential energy of all the materials directly falling into the crushing device 3, reduce the impact on the crushing device 3 caused by the overlarge potential energy, avoid damaging the crushing device 3, and prolong the service life of the device. When the material guide plate is used, an operator adjusts the inclination angle of the material guide plate 41 according to actual use requirements so as to meet different use requirements.

The adjustable impact device 5 comprises a first impact plate 51 with the top end hinged to the top end of the shell 1, a second impact plate 52 is hinged to the bottom end of the first impact plate 51, a first driving hydraulic oil cylinder 53 is connected between the second impact plate 52 and the shell 1, the cylinder body of the first driving hydraulic oil cylinder 53 is connected to the shell 1, the cylinder rod of the first driving hydraulic oil cylinder 53 is hinged to the outer side of the second impact plate 52, a third impact plate 54 is hinged to the bottom end of the second impact plate 52, a second driving hydraulic oil cylinder 55 is connected between the middle part of the third impact plate 54 and the shell 1, the cylinder body of the second driving hydraulic oil cylinder 55 is connected to the shell 1, the cylinder rod of the second driving hydraulic oil cylinder 55 is hinged to the outer side of the third impact plate 54, and the third impact plate 54 is an arc-shaped impact plate matched with the crushing device 3, the bottom ends of the third reaction plates 54 on both sides form a material feed opening 56. The inner surfaces of the first impact plate 51, the second impact plate 52 and the third impact plate 54 are respectively and uniformly distributed with impact hammers 57, and the impact hammers 57 are connected on the impact plates through bolts and used for hammering materials contacting with the impact plates. During adjustment, the first driving hydraulic oil cylinder 53 is correspondingly connected with the second driving hydraulic oil cylinder 55 in a matching manner, the first impact plate 51 is hinged on the inner wall of the top end of the shell 1, so when the first driving hydraulic oil cylinder 53 and the second driving hydraulic oil cylinder 55 are adjusted at the same time, the first impact plate 51, the second impact plate 52 and the third impact plate 54 integrally rotate around a hinge point between the first impact plate 51 and the shell 1, when the second driving hydraulic oil cylinder 55 is independently driven, the third impact plate 54 rotates around a hinge point between the second impact plate 52 and the third impact plate 54, and the angles of the first impact plate 51, the second impact plate 52 and the third impact plate 54 are adjusted at the same time, so that the crushing strength and yield are controlled, and the materials with different sizes are adapted, meet different production requirements. Meanwhile, as the first impact plate 51, the second impact plate 52 and the third impact plate 54 are hinged with each other, compared with the integral rigid impact plate structure in the prior art, the structure has better flexibility besides the adjustable function, and can be used for buffering the impact of materials and prolonging the service life of the impact plate.

The shell 1 comprises an upper shell and a lower shell 11, the upper shell comprises a left shell 12 and a right shell 13, the left shell 12 and the right shell 13 are correspondingly hinged on two sides of the lower shell 11 respectively, two first impact plates 51 are correspondingly hinged on the top ends of the left shell 12 and the right shell 13, two first driving hydraulic cylinders 53 are correspondingly arranged on the left shell 12 and the right shell 13, two second driving hydraulic cylinders 55 are correspondingly arranged on the left side and the right side of the lower shell 11, when the shell is disassembled or overhauled, the left shell 12 and the right shell 13 are respectively opened towards two sides, and the second impact plates 52 are hinged with the third impact plates 54, so that the opening of the left shell 12 and the right shell 13 is not influenced.

The utility model discloses a theory of operation does:

the material enters the shell 1 through the material inlet 2, the material firstly impacts the material guide plate 41, then part of the material rebounds to impact the first impact plate 51 and the second impact plate 52 to be crushed and rebounds to the crushing device 3, the other part of the material falls into one side of the crushing device 3 along the material guide plate 41, the material is firstly contacted with the crushing device 3 which is highly rotated and then thrown outwards to impact a part of the falling material, then impacts the impact plates on two sides together with the material to be impacted, and falls onto the crushing device 3 again, and is crushed again under the combined action of the crushing plate hammer 33 and the impact plates which rotate at high speed, so that multiple times of impact, friction, grinding and crushing are received in the crushing cavity, and finally the material is discharged through the material discharging port 56 at the lower part. Compare with the needs sieve among the prior art, the utility model discloses no longer set up the sieve, no longer receive the moisture to influence, and crushing effect is better. When the crushing device works, the reversible crushing shaft 31 can rotate forwards or backwards under the action of the driving motor, so that the reversible principle is realized.

Referring to fig. 2 to 5, the quick-release device includes a hammer block 34 integrally formed on the periphery of the crushing wheel 32, in this embodiment, four hammer blocks 34 are provided, but not limited to four hammer blocks 34, a dovetail groove 35 is provided at the top end of the hammer block 34, the trapezoidal top end of the dovetail groove 35 opens toward one side of the crushing wheel 32, the hammer blocks 33 are correspondingly installed in the dovetail groove 35 in a matching manner, hammer holes 36 are provided at the tail of the hammer blocks 33, a seat hole 37 matched with the hammer holes 36 is provided at the lower part of the hammer block 34, the seat hole 37 and the hammer holes 36 are detachably connected with a hammer nut 39 through hammer bolts 38, an installation groove 310 facilitating the hammer blocks 33 to be inserted into the dovetail groove 35 is provided at the top end of the hammer block 34, the installation groove 310 has a chamfer, the installation speed of operating personnel can be improved, and the installation accuracy is improved.

Referring to fig. 2, the surface of the board hammer holder 34 is provided with a hidden groove 311 for protecting the board hammer nut 39. The hiding groove 311 is circular or hexagonal, the size of the hiding groove 311 is smaller than that of the plate hammer nut 39, so that the plate hammer nut 39 can be installed in the hiding groove 311, the installation of the plate hammer nut 39 by using tools of an operator is not affected, the design of the hiding groove 311 can effectively prevent a crushed object from being in direct contact with the plate hammer nut 39, the arrangement direction of the plate hammer bolt 38 and the plate hammer nut 39 avoids the tangential direction of the crushing plate hammer 33, the crushed object is effectively prevented from extruding and colliding the plate hammer bolt 38 and the plate hammer nut 39, and the connection stability of the plate hammer bolt 38 and the plate hammer nut 39 can be further ensured.

Referring to fig. 6, the tail end of the hammer crusher 33 is provided with a trapezoidal mounting handle 331 which is matched with the dovetail groove 35, the top end of the hammer crusher 33 is provided with a hammer head 332, two sides of the hammer head 332 are respectively provided with striking protrusions, the hammer head 332 is made of an alloy tool head, and has the advantages of high hardness, high strength and the like, the two sides of the hammer head 332 are respectively provided with striking protrusions which enable the wear resistance and the striking performance of the hammer head 332 to be good, and after the hammer head 332 rotates, the striking protrusions cut broken objects.

The operating principle of the quick dismounting device is as follows: during installation, the trapezoidal installation handle 331 of the breaking board hammer 33 is inserted into the dovetail groove 35 in a matching manner, then the board hammer bolt 38 and the board hammer nut 39 are installed in a matching manner, during installation, the board hammer bolt 38 is inserted into the board hammer hole 36 and the seat hole 37 in sequence from the trapezoidal top end opening side of the dovetail groove 35, then the board hammer nut 39 is installed on the board hammer bolt 38 from the hiding groove 311 side of the board hammer seat 34, and after installation is completed, the board hammer nut 39 is hidden into the hiding groove 311; when the plate hammer is disassembled, the plate hammer bolt 38 and the plate hammer nut 39 are opened, so that the breaking plate hammer 33 can be separated from the plate hammer seat 34, and the breaking plate hammer 33 is disassembled.

The quick assembly disassembly device has the advantages that:

the opening at the top end of the trapezoid of the dovetail groove 35 is arranged towards one side surface of the crushing wheel 32, so that the working surfaces at two sides of the trapezoid mounting handle 331 are protected by the plate hammer seat 34, and even if the working sides of the crushing plate hammer 33 are subjected to tangential force, the problem of fracture caused by large tangential force in the prior art can be avoided; the trapezoidal mounting handle 331 of the breaking board hammer 33 is mounted in the dovetail groove 35, the trapezoidal structures of the breaking board hammer and the dovetail groove are matched and connected, the board hammer bolt 38 and the board hammer nut 39 are locked and positioned, two sides of the trapezoidal mounting handle 331 are in surface contact with the inside of the dovetail groove 35, the contact surface is large, the connection is reliable and stable, the mounting strength is good, the loosening and the fracture can be effectively avoided, and compared with the prior art that only a plurality of board hammer bolts 38 are used for being connected with the board hammer nut 39, the utility model discloses the quantity of the board hammer bolts 38 and the board hammer nuts 39 can be reduced, and the complexity of the dismounting is reduced; due to the adoption of the dovetail groove 35 structure and the trapezoid opening, the crushing plate hammers 33 with different thicknesses can be installed in the dovetail groove 35, so that the installation universality of the crushing plate hammers 33 is improved; the design of the hidden hole can effectively prevent direct contact between the broken objects and the plate hammer nut 39, and the arrangement direction of the plate hammer bolt 38 and the plate hammer nut 39 avoids the tangential direction of the broken plate hammer 33, so that the broken objects are effectively prevented from extruding and colliding the plate hammer bolt 38 and the plate hammer nut 39, and the connection stability of the plate hammer bolt 38 and the plate hammer nut 39 can be further ensured; the utility model discloses a quick assembly disassembly device simple structure, reasonable in design, easy dismounting, when wearing and tearing influence use appears in a certain board hammer, change corresponding board hammer can, effectively reduce the equipment maintenance degree of difficulty, cost of maintenance, improve the life of vulnerable part, improve crushing efficiency.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. Reversible grit breaker, including the casing, be provided with breaker, its characterized in that corresponding material feed inlet below in the casing: the utility model discloses a breaker, including breaker, material feed inlet, breaker, casing, breaker, material feed inlet department corresponds and is provided with the guide device with adjustable be located the adjustable guide device of breaker top, it still corresponds the counterattack device with adjustable to be located in the breaker with the both sides of guide device with adjustable in the casing, breaker is including rotating to be installed reversible broken axle in the casing, install a plurality of broken wheels on the reversible broken axle, the periphery of broken wheel has a plurality of broken board hammers through quick assembly disassembly device fixed mounting.

2. A reversible sand crusher as claimed in claim 1, wherein: quick assembly disassembly device includes that integrated into one piece sets up the board hammer seat of broken wheel periphery, the top of board hammer seat is provided with the dovetail, the trapezoidal top opening orientation of dovetail broken wheel one of them side, the broken board hammer corresponds the cooperation and installs in the dovetail, the afterbody of broken board hammer is provided with the board hammer hole, the lower part of board hammer seat be provided with board hammer hole complex seat hole, the seat hole with can dismantle through board hammer bolt and board hammer nut between the board hammer hole and be connected, the top setting of board hammer seat is favorable to the broken board hammer insert to installation groove in the dovetail.

3. A reversible sand crusher as claimed in claim 2, wherein: and a hidden groove for protecting the plate hammer nut is formed in the surface of the plate hammer seat.

4. A reversible sand crusher as claimed in claim 3, wherein: the tail end of the breaking board hammer is provided with a trapezoidal mounting handle matched with the dovetail groove, a board hammer tool bit is arranged at the top end of the breaking board hammer, and striking protrusions are arranged on two sides of the board hammer tool bit respectively.

5. A reversible sand crusher as claimed in claim 1, wherein: the adjustable material guide device comprises a material guide plate which is rotatably installed in the shell, an arc-shaped material guide sliding rail is arranged on the shell, sliding rail columns which slide along the material guide sliding rail are arranged at two ends of the material guide plate, and the sliding rail columns are locked and fixed on the shell through material guide bolts.

6. A reversible sand crusher as claimed in any one of claims 1 to 5, wherein: the adjustable impact device comprises a first impact plate, the top end of the first impact plate is hinged to the top end of the shell, a second impact plate is hinged to the bottom end of the first impact plate, a first driving hydraulic oil cylinder is connected between the second impact plate and the shell, a third impact plate is hinged to the bottom end of the second impact plate, a second driving hydraulic oil cylinder is connected between the middle of the third impact plate and the shell, the third impact plate is an arc-shaped impact plate matched with the crushing device, and impact hammers are uniformly distributed on the inner surfaces of the first impact plate, the second impact plate and the third impact plate respectively.

Images