CN117483042A - A sand and gravel crusher for screening stones with multiple particle sizes and a stone screening method - Google Patents

Abstract

The invention discloses a gravel crusher with multiple particle size stones and a stone screening method, and belongs to the technical field of gravel crushers. According to the invention, through the arrangement of the opening and closing mechanism, the two arc-shaped opening and closing plates prevent ores from directly falling down, so that the time of the ores on the arc-shaped opening and closing plates is prolonged, the ores are continuously crushed by the crushing roller, the crushing efficiency is improved, and the arrangement of the sieving mechanism enables ore particles to be more uniformly distributed, so that oversized or undersized particle ores are prevented from being mixed together, the load of subsequent treatment equipment is reduced, and the production efficiency is improved.

Description

A sand and gravel crusher for screening stones with multiple particle sizes and a stone screening method

Technical field

The invention belongs to the technical field of sand and gravel crushers, and in particular relates to a sand and gravel crusher for screening stones with multiple particle sizes and a stone screening method.

Background technique

Ore crusher is a device used to crush and crush raw ore materials. For example, the application number is: CN202222694020.6 discloses an ore crusher and a box body. The top of the box body is fixedly connected with a feed port, the bottom of the box body is fixedly connected with a discharge port, and the inside of the box body is provided with Crushing roller, a dust removal mechanism is fixedly connected to the left side of the box, and an auxiliary mechanism is provided inside the dust removal mechanism. This ore crusher is equipped with a dust removal mechanism and uses a negative pressure fan to generate suction, thereby collecting dust generated by processing ore in the crusher to avoid the spread of dust affecting the health of the operator. In addition, wind power is used to complete the crushing of the crusher. The dust removal avoids rust inside the crusher and improves the service life of the crusher. Finally, rectangular tube one and rectangular tube two are set up to collect dust from above and below the crushing roller respectively, further improving the crusher. dust removal effect.

The problem with the above technology is that the crushed ore is not collected according to particle size, so that ores with different particle sizes are mixed together, which is not conducive to subsequent processing of the ore, increases the load of subsequent equipment, and reduces production efficiency.

Contents of the invention

In view of the problems existing in the prior art, the present invention provides a sand and gravel crusher and a method for screening stones with multiple particle sizes, which has the advantage of classifying and collecting the crushed ore according to particle size, and solves the problem of existing crushing problems. The machine does not classify and collect the crushed ore according to particle size, so that ores with different particle sizes are mixed together, which is not conducive to subsequent processing of the ore, increases the load of subsequent equipment, and reduces production efficiency.

The invention is implemented in this way. A sand and gravel crusher for screening stones with multiple particle sizes includes a chassis. A cavity is provided in the chassis. Support legs are fixedly installed on the lower surface of the chassis. The rear side of the chassis is fixedly installed. There is a discharge funnel, the end of the discharge funnel extends into the cavity and is fixedly connected with a guide plate. A crushing mechanism is provided in the chassis, and an opening and closing mechanism is provided below the crushing mechanism. The opening and closing mechanism A screening mechanism is provided below, and the crushing mechanism, opening and closing mechanism and screening mechanism are all located in the chassis.

As a preferred option of the present invention, a perspective window is provided on the front side of the chassis, an access door is provided on the front side of the chassis below the perspective window, and movable slots are provided on both sides of the chassis.

Preferably, the crushing mechanism includes a first crushing roller and a second crushing roller. Bearings are fixedly mounted on both ends of the first crushing roller and the second crushing roller, and the bearings are fixedly mounted on the chassis. , the first crushing roller and the second crushing roller are meshed and connected.

As a preferred option of the present invention, the ends of the first crushing roller and the second crushing roller are fixedly connected with sprockets, the two sprockets are connected by a chain, and the outer wall of the chassis located on the same side of the chain is fixedly installed with a sprocket. A mounting base, a driving motor is fixedly installed on the mounting base, and the output shaft of the driving motor is fixedly connected to one of the sprockets.

As a preferred option of the present invention, the opening and closing mechanism includes two connecting rods. Each connecting rod is fixedly installed on both sides of the inner wall of the chassis. Each connecting rod is rotatably provided with an arc-shaped opening and closing plate. A first U-shaped block is fixedly connected to the lower surface of each of the arc-shaped opening and closing plates.

As a preferred option of the present invention, second U-shaped blocks are fixedly connected to both sides of the inner wall of the chassis, and fixed shafts are fixedly connected to both the first U-shaped block and the second U-shaped block. The two said U-shaped blocks located on the same side The fixed shafts are all connected through electric push rods, and the two ends of the electric push rods are respectively rotated and sleeved on each fixed shaft.

As a preferred option of the present invention, the screening mechanism includes four first connection blocks. The four first connection blocks are respectively fixedly installed at the four corners of the bottom wall inside the chassis. The upper surface of each first connection block is A spring is fixedly connected, and the upper end of each spring is fixedly connected with a second connecting block.

As a preferred option of the present invention, a first screen frame is provided above the second connection block, and the lower surface of the first screen frame is fixedly connected to the four second connection blocks. The first screen frame A number of screening holes are provided on the first screening frame, and both ends of the first screening frame extend to the outside of the chassis through movable grooves.

As a preferred option of the present invention, a second screening frame is fixedly installed on the lower surface of the first screening frame, and both the first screening frame and the second screening frame are arranged obliquely in the cabinet, and the first screening frame An installation box is fixedly connected to one end of the frame, and a vibration motor is fixedly installed in the installation box.

A stone screening method for a multi-particle size sand and gravel crusher, the stone screening method includes the following steps:

S1. First, connect the crusher to the external power supply, then start the drive motor and vibration motor, and then pour the ore to be crushed into the feed hopper. The ore falls into the first crushing roller and the second crushing roller through the guide plate. Under the drive of the motor, the sprocket fixedly connected to it is driven to rotate. Under the meshing action of the chain, the other sprocket is synchronously driven to rotate. The rotation of the two sprockets ultimately drives the first crushing roller and the second crushing roller to rotate, thus achieving the effect of The purpose of crushing ore;

S2. Under the closing action of the two arc-shaped opening and closing plates, the initially crushed ore falls on the arc-shaped opening and closing plates. Driven by the driving motor, the first crushing roller and the second crushing roller continue to crush the ore. Improve the crushing efficiency. When the crushing reaches a certain level, the two electric push rods are activated to drive the two arc-shaped opening and closing plates to rotate downward at the same time, so that the crushed ore falls from the arc-shaped opening and closing plates;

S3. When the crushed ore falls onto the first sieve frame, with the cooperation of the vibration motor and a number of springs, the first sieve frame and the second sieve frame are driven to vibrate at the same time. At this time, the first sieve frame The upper small particle size ore will fall into the second screening frame through the sieve hole, while the large particle size ore will fall through the guide channel.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. Through the setting of the opening and closing mechanism, the present invention prevents the two arc-shaped opening and closing plates from directly falling of the ore, and prolongs the time of the ore on the arc-shaped opening and closing plates, so that the crushing roller can continue to crush the ore and improve the crushing efficiency.

2. Through the setting of the screening mechanism, the present invention facilitates the classification and collection of ores of different particle sizes, making the distribution of ore particles more uniform, preventing overly large or undersized particles from being mixed together, and reducing the load on subsequent processing equipment. , improve production efficiency.

Description of drawings

Figure 1 is a schematic three-dimensional view of the overall structure of the present invention;

Figure 2 is a schematic three-dimensional view of the first partial cross-sectional structure of the present invention;

Figure 3 is a schematic perspective view of the second partial cross-sectional structure of the present invention;

Figure 4 is an exploded view of the crushing mechanism of the present invention;

Figure 5 is an exploded view of the opening and closing mechanism of the present invention;

Figure 6 is an exploded view of the screening mechanism of the present invention.

In the picture: 1. Chassis; 101. Movable trough; 2. Perspective window; 3. Access door; 4. Unloading funnel; 5. Guide plate; 6. Crushing mechanism; 601. First crushing roller; 602. Second Crushing roller; 603, bearing; 604, sprocket; 605, chain; 606, mounting base; 607, drive motor; 7, opening and closing mechanism; 701, connecting rod; 702, arc opening and closing plate; 703, first U-shaped block; 704, fixed shaft; 705, second U-shaped block; 706, electric push rod; 8, screening mechanism; 801, first connecting block; 802, second connecting block; 803, spring; 804, first pass Screen frame; 8041, screen hole; 805, guide channel; 806, installation box; 807, vibration motor; 808, second screen frame.

Detailed ways

In order to further understand the content, characteristics and effects of the present invention, the following examples are given and described in detail below with reference to the accompanying drawings.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in Figures 1 to 6, an embodiment of the present invention provides a sand and gravel crusher for screening stones with multiple particle sizes, including a chassis 1. A cavity is provided in the chassis 1, and support legs are fixedly installed on the lower surface of the chassis 1. A discharge funnel 4 is fixedly installed on the rear side of the chassis 1. The end of the discharge funnel 4 extends into the cavity and is fixedly connected to a guide plate 5. A crushing mechanism 6 is provided in the chassis 1, and an opening and closing mechanism is provided below the crushing mechanism 6. 7. A screening mechanism 8 is provided below the opening and closing mechanism 7. The crushing mechanism 6, the opening and closing mechanism 7 and the screening mechanism 8 are all located in the chassis 1.

Further, a perspective window 2 is provided on the front side of the chassis 1 , an access door 3 is provided on the front side of the chassis 1 located below the perspective window 2 , and movable slots 101 are provided on both sides of the chassis 1 .

In this application, the perspective window 2 is provided to facilitate observation of the crushing conditions in the crusher, and the access door 3 is provided to facilitate the maintenance or replacement of parts in the crusher.

Further, the crushing mechanism 6 includes a first crushing roller 601 and a second crushing roller 602. Bearings 603 are fixedly mounted on both ends of the first crushing roller 601 and the second crushing roller 602. The bearings 603 are fixedly installed on the chassis 1. The first crushing roller 601 and the second crushing roller 602 are meshed and connected. The ends of the first crushing roller 601 and the second crushing roller 602 are fixedly connected with sprockets 604. The two sprockets 604 are connected by a chain 605 and are located on the same side of the chain 605. A mounting base 606 is fixedly installed on the outer wall of the chassis 1 on the side. A driving motor 607 is fixedly installed on the mounting base 606. The output shaft of the driving motor 607 is fixedly connected to one of the sprockets 604.

In this application, a driving motor 607 is provided to drive the sprocket 604 fixedly connected to it to rotate. Under the meshing action of the chain 605, another sprocket 604 is synchronously driven to rotate. The rotation of the two sprockets 604 finally drives the first crushing roller 601. and the second crushing roller 602 rotates, thereby crushing the ore falling into the machine box 1 .

Further, the opening and closing mechanism 7 includes two connecting rods 701. Each connecting rod 701 is fixedly installed on both sides of the inner wall of the chassis 1. Each connecting rod 701 is rotatably provided with an arc-shaped opening and closing plate 702. Each arc-shaped opening and closing plate 702 is mounted on the inner wall of the chassis 1. The first U-shaped block 703 is fixedly connected to the lower surface of the opening and closing plate 702, the second U-shaped block 705 is fixedly connected to both sides of the inner wall of the chassis 1, and the first U-shaped block 703 and the second U-shaped block 705 are both fixedly connected to each other. Shaft 704, two fixed shafts 704 located on the same side are connected through an electric push rod 706, and the two ends of the electric push rod 706 are respectively rotatably sleeved on each fixed shaft 704.

In this application, in the initial state, the two arc-shaped opening and closing plates 702 are in a closed state, and the initially crushed ore falls on the arc-shaped opening and closing plates 702. Driven by the driving motor 607, the first crushing roller 601 and the second crushing roller 601 are crushed. The crushing roller 602 continues to crush the ore. When the ore is broken to a certain extent, the two electric push rods 706 are activated to drive the two arc-shaped opening and closing plates 702 to rotate downward at the same time, so that the crushed ore can be removed from the arc-shaped opening and closing plates 702. Falling, through the setting of the opening and closing mechanism 7, the two arc-shaped opening and closing plates 702 prevent the ore from falling directly, extending the time of the ore on the arc-shaped opening and closing plates 702, so that the crushing roller can continue to crush the ore and improve the crushing efficiency. .

Further, the screening mechanism 8 includes four first connection blocks 801. The four first connection blocks 801 are respectively fixedly installed at the four corners of the inner bottom wall of the chassis 1. The upper surface of each first connection block 801 is fixedly connected with a spring. 803, the upper end of each spring 803 is fixedly connected with a second connecting block 802. A first sieving frame 804 is provided above the second connecting block 802. The lower surface of the first sieving frame 804 is connected with four second connecting blocks 802. are all fixedly connected. A number of sieving holes 8041 are provided on the first sieving frame 804. Both ends of the first sieving frame 804 extend to the outside of the chassis 1 through the movable grooves 101. The lower surface of the first sieving frame 804 is fixedly installed with The second sieve frame 808, the first sieve frame 804 and the second sieve frame 808 are all tilted and arranged in the chassis 1. One end of the first sieve frame 804 is fixedly connected with an installation box 806, and a vibration device is fixedly installed in the installation box 806. Motor 807.

In this application, when the crushed ore falls onto the first screening frame 804, a vibration motor 807 is provided, so that the first screening frame 804 and the second screening frame 808 cooperate with the vibration motor 807 and a number of springs 803. down, driving the first sieving frame 804 and the second sieving frame 808 to vibrate at the same time. At this time, the small-sized ore on the first sieving frame 804 will fall into the second sieving frame 808 through the sieving holes 8041, and Ore with large particle sizes falls through the guide channel 805. The setting of the sieving mechanism 8 facilitates the classification and collection of ores with different particle sizes, making the distribution of ore particles more uniform and preventing excessively large or small particles from being mixed in the At the same time, the load on subsequent processing equipment is reduced and production efficiency is improved.

A stone screening method for a multi-particle size sand and gravel crusher. The stone screening method includes the following steps:

S1. First, connect the crusher to an external power supply, then start the drive motor 607 and the vibration motor 807, and then pour the ore to be crushed into the feed hopper 4. The ore will fall into the first crushing roller 601 and the second crusher through the guide plate 5. On the roller 602, driven by the driving motor 607, the sprocket 604 fixedly connected to the roller 602 is driven to rotate. Under the meshing action of the chain 605, another sprocket 604 is synchronously driven to rotate. The rotation of the two sprockets 604 finally drives the first crusher. The roller 601 and the second crushing roller 602 rotate to crush the ore;

S2. Under the closing action of the two arc-shaped opening and closing plates 702, the initially crushed ore falls on the arc-shaped opening and closing plates 702. Driven by the driving motor 607, the first crushing roller 601 and the second crushing roller 602 continue to work. The ore is crushed to improve the crushing efficiency. When the ore is broken to a certain extent, the two electric push rods 706 are started to drive the two arc-shaped opening and closing plates 702 to rotate downward at the same time, so that the crushed ore can be lifted from the arc-shaped opening and closing plates 702. fall;

S3. When the crushed ore falls onto the first sieving frame 804, with the cooperation of the vibration motor 807 and a number of springs 803, the first sieving frame 804 and the second sieving frame 808 are driven to vibrate at the same time. The small-sized ores on the first screening frame 804 will fall into the second screening frame 808 through the screening holes 8041, while the large-sized ores will fall through the guide channel 805.

To sum up: this kind of multi-particle size sand and gravel crusher and stone screening method, through the setting of the opening and closing mechanism 7, make the two arc-shaped opening and closing plates 702 prevent the direct falling of the ore, and prolong the time of the ore. The time on the arc-shaped opening and closing plate 702 is to facilitate the crushing roller to continue crushing the ore and improve the crushing efficiency. Through the setting of the screening mechanism 8, it is convenient to classify and collect the ore of different particle sizes, so that the distribution of the ore particles is more even, and avoid Ore particles that are too large or too small are mixed together, which reduces the load on subsequent processing equipment and improves production efficiency.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a gravel crusher of many particle diameters sieve stone, includes quick-witted case (1), its characterized in that: be provided with the cavity in machine case (1), fixed surface installs the supporting leg under machine case (1), machine case (1) rear side fixed mounting has unloading funnel (4), unloading funnel (4) tip stretches into in the cavity and fixedly connected with stock guide (5), be provided with broken mechanism (6) in machine case (1), broken mechanism (6) below is provided with mechanism (7) that open and shut, mechanism (7) below that open and shut is provided with mechanism (8) that sieves, broken mechanism (6), mechanism (7) that open and shut and mechanism (8) that sieve all are located machine case (1).

2. A multi-particle size stone breaker according to claim 1, wherein: the front side of the case (1) is provided with a perspective window (2), the front side of the case (1) below the perspective window (2) is provided with an access door (3), and both sides of the case (1) are provided with movable grooves (101).

3. A multi-particle size stone breaker according to claim 2, wherein: the crushing mechanism (6) comprises a first crushing roller (601) and a second crushing roller (602), bearings (603) are fixedly sleeved at two ends of the first crushing roller (601) and two ends of the second crushing roller (602), the bearings (603) are fixedly mounted on the machine case (1), and the first crushing roller (601) and the second crushing roller (602) are in meshed connection.

4. A multi-particle size stone breaker as claimed in claim 3 wherein: the end parts of the first crushing roller (601) and the second crushing roller (602) are fixedly connected with chain wheels (604), the two chain wheels (604) are connected through a chain (605), a mounting seat (606) is fixedly mounted on the outer wall of the chassis (1) on the same side of the chain (605), a driving motor (607) is fixedly mounted on the mounting seat (606), and an output shaft of the driving motor (607) is fixedly connected with one of the chain wheels (604).

5. A multi-particle size stone breaker according to claim 1, wherein: the opening and closing mechanism (7) comprises two connecting rods (701), each connecting rod (701) is fixedly installed on two sides of the inner wall of the chassis (1) respectively, each connecting rod (701) is rotatably sleeved with an arc-shaped opening and closing plate (702), and the lower surface of each arc-shaped opening and closing plate (702) is fixedly connected with a first U-shaped block (703).

6. A multi-particle size stone breaker according to claim 5 wherein: the utility model discloses a machine case, including machine case (1), first U type piece (703), second U type piece (705), fixed axle (704) are all fixedly connected with in first U type piece (703) and second U type piece (705), are located two fixed axle (704) of same one side all are connected through electric putter (706), electric putter (706) both ends rotate the cover respectively and establish on every fixed axle (704).

7. A multi-particle size stone breaker according to claim 1, wherein: the screening mechanism (8) comprises four first connecting blocks (801), the four first connecting blocks (801) are respectively and fixedly installed at four corners of the bottom wall inside the chassis (1), springs (803) are fixedly connected to the upper surface of each first connecting block (801), and second connecting blocks (802) are fixedly connected to the upper ends of each spring (803).

8. A multi-particle size stone breaker according to claim 7 wherein: the top of second connecting block (802) is provided with first screen frame (804), the lower surface of first screen frame (804) is all fixed with four second connecting blocks (802), a plurality of screen holes (8041) have been seted up on first screen frame (804), the both ends of first screen frame (804) all extend outside quick-witted case (1) through movable groove (101).

9. A multi-particle size stone breaker according to claim 8 wherein: the novel vibrating screen is characterized in that a second screen frame (808) is fixedly arranged on the lower surface of the first screen frame (804), the first screen frame (804) and the second screen frame (808) are obliquely arranged in the chassis (1), one end of the first screen frame (804) is fixedly connected with a mounting box (806), and a vibrating motor (807) is fixedly arranged in the mounting box (806).

10. A method of screening rock in a rock breaker for multi-particle size screening rock according to any one of claims 1 to 9, wherein the method of screening rock comprises the steps of:

s1, firstly, externally connecting a crusher with a power supply, then starting a driving motor (607) and a vibrating motor (807), then pouring ore to be crushed into a discharging hopper (4), enabling the ore to fall onto a first crushing roller (601) and a second crushing roller (602) through a material guiding plate (5), driving a chain wheel (604) fixedly connected with the ore to rotate under the driving of the driving motor (607), synchronously driving the other chain wheel (604) to rotate under the meshing effect of a chain (605), and finally driving the first crushing roller (601) and the second crushing roller (602) to rotate by the rotation of the two chain wheels (604), so that the purpose of crushing the ore is achieved;

s2, under the closing action of the two arc-shaped opening plates (702), enabling the primarily crushed ore to fall on the arc-shaped opening plates (702), enabling the first crushing roller (601) and the second crushing roller (602) to continuously crush the ore under the driving of the driving motor (607), improving crushing efficiency, and after the ore is crushed to a certain extent, driving the two arc-shaped opening plates (702) to simultaneously rotate downwards by starting the two electric push rods (706), so that the crushed ore falls from the arc-shaped opening plates (702);

s3, when crushed ore falls into the first screen frame (804), under the cooperation of the vibration motor (807) and the springs (803), the first screen frame (804) and the second screen frame (808) are driven to vibrate simultaneously, at the moment, small-particle-size ore on the first screen frame (804) falls into the second screen frame (808) through the screen holes (8041), and large-particle-size ore falls down through the material guide channel (805).