CN114653433A

CN114653433A - Screen bar type crusher

Info

Publication number: CN114653433A
Application number: CN202210078993.9A
Authority: CN
Inventors: 武俊喜
Original assignee: Shanxi Tanyan Energy Group Co ltd
Current assignee: Shanxi Tanyan Energy Group Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-24

Abstract

The utility model relates to a screen strip formula breaker, belong to the breaker field, through setting up crushing mechanism and filter mechanism, when making crisscross tup that sets up rotate along with the transmission shaft, the screen cloth of the tup cooperation large tracts of land of same round can carry out a lot of clamp to the ore and hit the breakage, make the ore smash, the mode of beating in turn, the ore has been promoted and has been received the complexity of beating, make the ore more easily beaten the breakage, and smash the suitable coal cinder of even granularity and discharge from the discharge gate through filter mechanism, the kibbling efficiency of ore and uniform degree have been promoted, and the epaxial flywheel of distribution transmission, can play the effect of helping hand, the transmission shaft drives the tup more easily and rotates broken ore, the rational utilization kinetic energy that the flywheel produced, compare with prior art, not only the productivity has promoted, the electric energy has still been practiced thrift.

Description

Screen bar type crusher

Technical Field

The invention relates to a screen bar type crusher, and belongs to the field of crushers.

Background

A crusher, also called a stone crusher, is a crushing machine which is used in the processing of metal ores and non-metal ores and can crush mined raw ores into small particles by means of extrusion, bending and the like, the crusher is a crushing machine which discharges materials with the particle size of more than three millimeters and accounts for more than 50% of the total discharge amount, and the crushing operation is divided into coarse crushing, intermediate crushing and fine crushing according to the particle size of the fed materials and the discharged materials.

The existing coal briquette crusher mainly uses the common clamping of the hammer head and the wear-resistant baffle to strike and strike the coal briquette under the action of centrifugal force by depending on the rotation of the hammer head to achieve the purpose of crushing, and because the hammer head on the rotor only clamps and strikes the coal briquette once when the limitation rotor of the structure rotates for a circle, a large amount of kinetic energy is wasted, and then the clamping and striking of the existing crusher have the defect of low crushing times and uneven effect of crushing granularity.

We have therefore developed this and propose a screen bar crusher.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the hammer head only clamps and hits the coal briquette once, which causes kinetic energy waste, less clamping and hitting and crushing times and poor crushing and granularity unevenness effect.

(II) technical scheme

In order to achieve the above object, the present invention provides

The utility model provides a screen bar formula breaker, includes the casing, the inside of casing is provided with the crushing mechanism who is used for smashing the ore, the filtering mechanism who uses with the cooperation of crushing mechanism is installed to the bottom of casing inner chamber, the top of casing is equipped with the obliquely pan feeding mouth, the bottom of casing is equipped with the discharge gate.

Wherein, crushing mechanism includes the drive division of setting in the middle part of the casing and sets up the crushing portion on the drive division.

Wherein, crushing portion includes that a plurality of equidistance install the rotor flower disc on the drive division, and is a plurality of the round pin axle is provided with between the rotor flower disc, the round pin axle is crisscross to be provided with a plurality of first subassembly and a plurality of second of strikeing and strikes the subassembly, and the epaxial a plurality of first subassembly and the second of strikeing of selling is separated by a plurality of rotor flower discs, adjacent two first subassembly and the second of strikeing between the rotor flower disc are strikeed the subassembly and are crisscross each other.

Wherein, first subassembly of strikeing comprises safety sleeve pipe, pendulum, tup and abrasion block, the second is strikeed the subassembly and is become by two safety sleeve pipes, two pendulums of hammers, two tups and two abrasion block, the outside at the round pin axle is installed to the condom tube, the condom tube is connected with the tup through the pendulum of hammers, the tip at the tup is installed to abrasion block.

The driving portion comprises a transmission shaft arranged in the middle of an inner cavity of the shell, the rotor disc chuck is fixedly mounted on a shaft body of the transmission shaft, the two ends of the transmission shaft are rotatably connected with supports, the supports are mounted on one side of the shell, one end of the transmission shaft penetrates through the supports and is fixedly connected with a motor, and the motor is fixedly mounted on the supporting plate.

The support comprises an end plate, a vertical plate, a plurality of rib plates and a plurality of positioning square holes, wherein the end plate and the vertical plate are provided with a plurality of positioning square holes for inserting the vertebral-bone mortises, the rib plates are all installed at the bottom of the end plate through the vertebral-bone mortises, the end plate and the rib plates are all installed at one side of the vertical plate through the vertebral-bone mortises, and the vertical plate is fixedly installed at the middle part of one side of the shell.

Wherein, at least one flywheel is fixedly arranged on the transmission shaft.

The rotor faceplate is specifically a disc, and a fixing hole for positioning a pin shaft is formed in the disc.

The periphery of the fixing hole is provided with a positioning hole group, and the positioning hole group consists of at least one positioning round hole.

The fixed holes and the plurality of positioning round holes in the same group are different in circle center, and the distance between the fixed holes and the plurality of positioning round holes in the same group and the outer ring of the rotor disc chuck is gradually increased.

The filtering mechanism comprises two arc-shaped connecting plates which are fixedly installed at the bottoms of the two sides of an inner cavity of the shell respectively, a plurality of reinforcing steel bars used for filtering ores are arranged on the inner rings of the two opposite sides of the arc-shaped connecting plates, a plurality of insertion holes for inserting the reinforcing steel bars are formed in the two opposite sides of the arc-shaped connecting plates, and the plurality of reinforcing steel bars form corresponding bar sieve holes through the plurality of insertion holes in the arc-shaped connecting plates.

Wherein, filtering mechanism still includes two crossbearers, two the both ends of crossbearer respectively with the both ends fixed connection of two arc connecting plates, two be provided with the arc frame that a plurality of equidistance distribute between the arc connecting plate, set up on the arc frame and the crossbearer on supply the corresponding locating hole that the reinforcing bar passed, two still be provided with a plurality of strengthening ribs that are used for consolidating the arc frame between the arc connecting plate, the strengthening rib is located the outside of arc frame, arc frame and strengthening rib mutually perpendicular, a plurality of confession arc frame male draw-in grooves have been seted up to the inboard of strengthening rib.

The radian of the arc-shaped connecting plate is 210-220 degrees, and the radian of the arc-shaped frame is 210-220 degrees.

The radian of the arc-shaped connecting plate is specifically 220 degrees, and the radian of the arc-shaped frame is specifically 220 degrees.

The bottom fixed mounting of casing has the base, the internally mounted of base has two connecting plates that are used for supporting the casing, a plurality of removal gyro wheels are all installed to the both sides of base.

One side of the top end of the base, far away from the shell, is provided with a support used for supporting the driving part, the support consists of a support frame and a support plate, the support plate is fixedly installed at the top of the support frame, and the support frame is fixedly installed at one side of the top end of the base.

The arc-shaped groove is formed in the bottom of each of two sides of the support frame, two triangular holes and a round hole are formed in the top of each of two sides of the support frame, and the round hole is formed between the two triangular holes.

The width of the upper cavity of the shell is smaller than that of the middle cavity, the width of the middle cavity of the shell is larger than that of the lower cavity, and corners of the middle parts of two sides of the shell are arc-shaped chamfers.

Wherein, the front and back side of casing all is provided with the backplate of formula of inhaling.

(III) advantageous effects

The invention provides a screen bar type crusher, which has the beneficial effects that:

1. through the arrangement of the crushing mechanism and the filtering mechanism, when the hammers which are arranged in a staggered mode rotate along with the transmission shaft, the hammers which are arranged in a staggered mode are matched with a large-area screen mesh to clamp and crush ores for multiple times, so that the ores are crushed, the mode of alternatively beating the ores is improved, the complexity of beating the ores is improved, the ores are easier to beat, and the coal blocks which are crushed into uniform particles and are proper in size are discharged from a discharge port through the filtering mechanism, so that the ore crushing efficiency and the uniformity are improved, and the flywheel on the transmission shaft is matched to play a role of assisting, so that the transmission shaft more easily drives the hammers to rotate to crush the ores, the kinetic energy generated by the flywheel is reasonably utilized, compared with the prior art, the capacity is improved, and the electric energy is also saved;

2. through setting up the location punch combination that the equidistance isochronal arc set up, make installing between two rotor faceplates that a plurality of round pins can be even, even setting can alleviate transmission shaft pivoted burden, make the transmission shaft rotate more easily, and the interval of a plurality of location round holes and rotor faceplate outer lane of organizing increases gradually with the same, after tup and wear-resisting piece wearing and tearing, install tup and wear-resisting piece on the location round hole that is close to rotor faceplate outer lane through the round pin axle, adjust the clearance between tup and the reinforcing bar, make the tup of wearing and tearing continue to use, prolong whole equipment's life.

3. By arranging the filtering mechanism, when the reinforcing steel bars are fixed between the two arc-shaped connecting plates, the reinforcing steel bars can be matched with the hammer heads to clamp ores, crushed ores can fall to the discharge port through gaps among the reinforcing steel bars, the reinforcing steel bars are not easy to bend during clamping through reinforcement of the reinforcing steel bars, and the reinforcing steel bars can be installed in insertion holes at different positions to adjust the distance between every two adjacent reinforcing steel bars and adjust the size of discharged ores;

4. through the connection of the rib plates, when the bearing seat is arranged on the end plate, the end plate and the vertical plate can well support the bearing seat and the transmission shaft, and through the connection mode of the positioning square hole and the vertebral-mortise joint, people can conveniently connect the end plate, the vertical plate and the rib plates;

5. the width of the shell is larger than that of the feeding port, so that the shell has enough space for accommodating materials, and when the materials enter the shell through the feeding port, the situation that the feeding port is blocked by the materials is not easy to happen;

6. through the arc-shaped connecting plates of 210-230 degrees, the screen composed of a plurality of reinforcing steel bars between the hammer head and the two arc-shaped connecting plates has a large contact area, the efficiency of the hammer head in hitting and crushing ores can be improved, and the efficiency of the crushed ores passing through the screen can be improved;

7. through the first knocking components and the second knocking components which are arranged in a staggered mode, after the ores enter the shell, the ores can be hit alternately to be crushed, and the complexity of hitting the ores is improved in an alternate hitting mode, so that the ores are crushed more easily and are crushed uniformly;

8. the reinforcing steel bars are inserted to replace the traditional welding mode, so that the installation and adjustment of people are facilitated, the number and the distance of the reinforcing steel bars arranged between the two arc-shaped connecting plates can be adjusted by arranging the plurality of inserting holes, the size of a gap on a screen consisting of the plurality of reinforcing steel bars can be adjusted, and the practicability is high;

9. the support can have a good supporting effect on the transmission shaft and the flywheel, and the end plates, the vertical plates and the rib plates are convenient to splice through the plurality of positioning square holes, so that people can mount and dismount the support more conveniently, and the transmission shaft in the shell and the hammer on the transmission shaft can be replaced conveniently;

10. through the support frame of seting up the arc recess, when reducing the support frame material, the support frame still can keep fine bearing capacity to compare in traditional overall structure and have good buffer capacity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a screen bar type crusher provided by the present application;

fig. 2 is a schematic cross-sectional structural view of a shell of the screen crusher provided in the present application;

fig. 3 is a schematic view of a three-dimensional structure of a hammer head of the screen bar type crusher provided by the present application;

fig. 4 is a schematic top view of a housing of a screen crusher according to the present application;

fig. 5 is a schematic structural diagram of a filtering mechanism of the screen bar type crusher provided by the present application;

fig. 6 is a schematic side view of a housing of the screen crusher provided in the present application;

fig. 7 is a schematic view of a bottom structure of a base of the screen bar type crusher provided by the present application;

fig. 8 is a schematic view of a support structure of the screen crusher provided in the present application;

fig. 9 is a schematic perspective view of a base of the screen bar type crusher provided by the present application;

fig. 10 is a schematic structural diagram of a crushing mechanism of the screen crusher provided by the present application;

fig. 11 is a schematic structural view of a rotor disc of the screen bar type crusher provided by the present application;

fig. 11 is a schematic structural view of an embodiment of a positioning circular hole on a rotor disc of the screen bar type crusher provided by the present application;

fig. 12 is a schematic structural view of a second embodiment of positioning a circular hole on a rotor disc of the screen bar type crusher provided by the present application.

1. A base; 101. a connecting plate; 102. moving the roller;

2. a support; 201. a support frame; 202. a support plate;

3. a housing;

5. a feeding port;

6. a discharge port;

7. a crushing mechanism; 701. a drive shaft; 702. a rotor faceplate; 703. a pin shaft; 704. a safety sleeve; 705. a pendulum; 706. a hammer head; 707. a wear-resistant block; 708. a support; 7081. an end plate; 7082. a vertical plate; 7083. a rib plate; 7084. positioning a square hole; 709. a flywheel; 710. a motor; 711. positioning the circular hole;

8. a filtering mechanism; 801. an arc-shaped connecting plate; 802. a cross frame; 803. an arc-shaped frame; 804. reinforcing ribs; 805. a card slot; 806. a jack; 807. reinforcing steel bars;

9. and (4) protecting the plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in connection with the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1 and 2, the embodiment provides a screen bar type crusher, which is characterized by comprising a casing 3, a crushing mechanism 7 for crushing ore is arranged inside the casing 3, a filtering mechanism 8 matched with the crushing mechanism 7 is installed at the bottom of an inner cavity of the casing 3, an inclined feeding port 5 is arranged at the top end of the casing 3, and a discharging port 6 is arranged at the bottom end of the casing 3.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1 and fig. 2, as a preferred embodiment, in addition to the above manner, further, the crushing mechanism 7 includes a driving portion provided in the middle of the housing 3 and a crushing portion provided on the driving portion.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 6, fig. 7, fig. 8, fig. 10 and fig. 12, as a preferred embodiment, on the basis of the above manner, further, the crushing portion includes a plurality of rotor faceplates 702 equidistantly mounted on the driving portion, a plurality of pins 703 are disposed between the plurality of rotor faceplates 702, the pins 703 are alternately disposed with a plurality of first rapping components and a plurality of second rapping components, and the plurality of first rapping components and the plurality of second rapping components on the pins 703 are separated by the plurality of rotor faceplates 702, the first rapping components and the second rapping components between two adjacent rotor faceplates 702 are alternately disposed, and after the ore enters the inside of the housing 3 through the first rapping components and the second rapping components disposed alternately, the ore can be hit alternately to crush the ore, and the manner of alternately hitting improves the complexity of the ore, the ore is easier to be crushed and is crushed evenly.

As shown in fig. 1, 2, 3, 4, 6, 7, 8, 10 and 12, as a preferred embodiment, based on the above manner, further, the first knocking assembly is composed of a safety sleeve 704, a pendulum 705, a hammer 706 and a wear-resistant block 707, the second knocking assembly is composed of two safety sleeves 704, two pendulums 705, two hammers 706 and two wear-resistant blocks 707, the safety sleeve 704 is installed outside the pin 703, the safety sleeve 704 is connected with the hammer 706 through the pendulum 705, the wear-resistant block 707 is installed at an end of the hammer 706, and the pin 706 can hit ore in the housing 703 when rotating with the rotor faceplate 702 through the hammer 706 and the wear-resistant block 707.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 6, fig. 7, fig. 8, fig. 10 and fig. 12, as a preferred embodiment, on the basis of the above-mentioned manner, further, the driving portion includes a transmission shaft 701 disposed in the middle of the inner cavity of the housing 3, a plurality of rotor faceplates 702 are all fixedly mounted on the shaft body of the transmission shaft 701, two ends of the transmission shaft 701 are both rotatably connected with brackets 708, the brackets 708 are mounted on one side of the housing 3, one end of the transmission shaft 701 passes through the brackets 708 and is fixedly connected with a motor 710, and the motor 710 is fixedly mounted on the support plate 202.

As shown in fig. 1, 2, 3, 4, 6, 7, 8, 10, and 12, as a preferred embodiment, on the basis of the above manner, further, the bracket 708 is composed of an end plate 7081, a vertical plate 7082, a plurality of rib plates 7083, and a plurality of positioning square holes 7084, the bracket 708 can have a good supporting effect on the transmission shaft 701 and the flywheel 709, and the end plate 7081, the vertical plate 7082, and the rib plates 7083 are conveniently spliced through the plurality of positioning square holes 7084, a plurality of positioning square holes 7084 for inserting the mortars are respectively formed on the end plate 7081 and the vertical plate 7082, the plurality of rib plates 7083 are respectively installed at the bottom of the end plate 7081 through the mortars, the end plate 7081 and the plurality of rib plates 7083 are respectively installed at one side of the vertical plate 7082 through the plurality of mortars, and the vertical plate 7082 is fixedly installed at the middle part of one side of the housing 3.

As shown in fig. 1, 2, 3, 4, 6, 7, 8, 10 and 12, as a preferred embodiment, in addition to the above-mentioned manner, at least one flywheel 709 is further fixedly installed on the transmission shaft 701, and by installing the flywheel 709, inertia when the transmission shaft 701 rotates is increased, kinetic energy when the transmission shaft 701 rotates is increased, and electric energy required after the transmission shaft 701 rotates can be reduced.

As shown in fig. 11, in addition to the above-mentioned embodiment, the rotor faceplate 702 is further embodied as a disk, and the disk is provided with a fixing hole for positioning the pin 703.

As shown in fig. 12, in addition to the above-mentioned embodiment, a positioning hole set is further provided around the fixing hole, the positioning hole set is composed of at least one positioning round hole 711, and the mounting position of the pin 703 and thus the position of the hammer 706 can be adjusted by the positioning round hole 711.

As shown in fig. 12, as a preferred embodiment, in addition to the above manner, further, the fixing holes and the plurality of positioning circular holes 711 in the same group have different centers, and the distance between the fixing holes and the plurality of positioning circular holes 711 in the same group and the outer ring of the rotor faceplate 702 is gradually increased, so that the worn hammer 706 and the wear-resistant block 707 can be continuously used by installing the pin 703 on the positioning circular hole 711 near the outer ring of the rotor faceplate 702, thereby prolonging the service life of the whole device. .

As shown in fig. 1 and 5, in addition to the above-mentioned manner, as a preferred embodiment, the filtering mechanism 8 further includes two arc-shaped connecting plates 801 fixedly installed at the bottom of the two sides of the inner cavity of the casing 3, respectively, the inner ring of the two opposite sides of the two arc-shaped connecting plates 801 is provided with a plurality of steel bars 807 for filtering ore, the opposite sides of the two arc-shaped connecting plates 801 are provided with a plurality of insertion holes 806 for inserting the steel bars 807, the plurality of steel bars 807 form corresponding bar mesh holes through the plurality of insertion holes 806 on the arc-shaped connecting plates 801, and the number and the spacing of the steel bars 807 installed between the two arc-shaped connecting plates 801 can be adjusted through the plurality of insertion holes 806.

As shown in fig. 1 and fig. 5, as a preferred embodiment, on the basis of the foregoing manner, further, the filtering mechanism 8 further includes two cross frames 802, two ends of the two cross frames 802 are respectively and fixedly connected with two ends of the two arc-shaped connecting plates 801, a plurality of arc-shaped frames 803 distributed at equal intervals are disposed between the two arc-shaped connecting plates 801, corresponding positioning holes for the reinforcing bars 807 to pass through are disposed on the arc-shaped frames 803, a plurality of reinforcing ribs 804 for reinforcing the arc-shaped frames 803 are further disposed between the two arc-shaped connecting plates 801, the reinforcing ribs 804 are located outside the arc-shaped frames 803, the arc-shaped frames 803 and the reinforcing ribs 804 are perpendicular to each other, a plurality of clamping grooves 805 for the arc-shaped frames 803 to insert are disposed on the inner sides of the reinforcing ribs 804, and the overall strength of the filtering mechanism 8 can be enhanced by disposing the arc-shaped frames 803, the cross frames 802 and the reinforcing ribs 804.

As shown in fig. 1 and 5, in addition to the above-described embodiments, the preferred embodiment further includes arc-shaped connection plates 801 having an arc of 210 ° to 220 °, and arc-shaped frames 803 having an arc of 210 ° to 220 °.

As shown in fig. 1 and 5, as a preferred embodiment, in addition to the above manner, further, the arc of the arc-shaped connecting plate 801 is specifically 220 °, the arc of the arc-shaped frame 803 is specifically 220 °, and a large contact area is provided between the hammer 706 and the screen mesh consisting of a plurality of steel bars between two arc-shaped connecting plates 801 through the arc-shaped connecting plate 801 of 220 °, so that the efficiency of the hammer 706 hitting and crushing ore can be improved, and the efficiency of the crushed ore passing through the screen mesh can be improved.

As shown in fig. 1 and 9, as a preferred embodiment, in addition to the above-mentioned mode, further, a base 1 is fixedly installed at the bottom end of the shell 3, two connecting plates 101 for supporting the shell 3 are installed inside the base 1, a plurality of moving rollers 102 are installed on both sides of the base 1, the shell 3 can be firmly installed on the base 1 by arranging the connecting plates 101, a plurality of moving rollers 102 are installed on both sides of the base 1, and the whole crusher can be conveniently moved by the moving rollers 102.

As shown in fig. 1, 7 and 9, as a preferred embodiment, in addition to the above-mentioned mode, a support 2 for supporting the driving part is further disposed on one side of the top end of the base 1 away from the housing 3, the support 2 is composed of a support frame 201 and a support plate 202, the support frame 201 is disposed to improve the bearing capacity of the support 2 as a whole, the support plate 202 is fixedly mounted on the top of the support frame 201, and the support frame 201 is fixedly mounted on one side of the top end of the base 1.

As shown in fig. 1, 7 and 9, as a preferred embodiment, on the basis of the above manner, further, arc grooves are respectively opened at the bottoms of the two sides of the supporting frame 201, and by the supporting frame 201 having the arc grooves, while the material of the supporting frame 201 is reduced, the supporting frame 201 can still maintain good bearing capacity, and compared with the conventional overall structure, the supporting frame has good buffering capacity, and two triangular holes and one round hole are respectively opened at the tops of the two sides of the supporting frame 201, and the round hole is arranged between the two triangular holes.

As shown in fig. 1, fig. 2 and fig. 7, as a preferred embodiment, on the basis of the above-mentioned manner, further, the width of the upper cavity of the casing 3 is smaller than the width of the middle cavity, the width of the middle cavity of the casing 3 is greater than the width of the lower cavity, the corners of the middle portions of both sides of the casing 3 are arc-shaped chamfers, the width of the middle cavity of the casing 3 is greater than the width of the lower cavity, and the corners of the middle portions of both sides of the casing 3 are arc-shaped chamfers, so that the casing 3 has enough space to accommodate materials, and when the materials enter the inside of the casing 3 through the material inlet 5, the situation that the material blocks the material inlet 5 is not easily caused, and when people touch the casing 3, the skin is not easily scratched through the arc chamfers of both sides of the casing 3, and the casing 3 has a structural design of being narrow in the top and bottom and wide in the middle, so as to facilitate crushing of the materials.

As shown in fig. 1, 2 and 7, in addition to the above-mentioned embodiments, further, magnetic-type shields are provided on both the front and rear sides of the housing 3, and the magnetic-type shields 9 can be easily fixed to the housing 3, can shield unused holes on the housing 801, and can function as a certain support stand 708.

Example 3:

the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

specifically, this screen bar breaker is when during operation/use: the motor 710 drives the transmission shaft 701 to rotate, the rotor disc chuck 702 on the transmission shaft 701 rotates along with the rotation, the hammers 706 on the rotor disc chuck 702 rotate along with the rotation, under the action of centrifugal force, air gaps are uniformly reserved between the hammer 706 and the plurality of reinforcing steel bars 807 at the bottom, when the coal blocks enter from the feeding port 5, the air gaps between the hammer 706 and the plurality of reinforcing steel bars 807 are filled by the drive of the transmission shaft 701 to prevent the hammer 706 from passing through, the hammer 706 clamps the coal blocks filled in the air gaps with the plurality of reinforcing steel bars 807 during high-speed rotation to break the coal blocks, the coal blocks with proper strip-shaped pore sizes are arranged among the plurality of reinforcing steel bars 807 to pass through, and are finally discharged through the discharge port 6, the coal blocks with large particle sizes are clamped into the air gaps between the hammer 706 and the plurality of reinforcing steel bars to be broken by the next group of hammers 706 again, the coal blocks with proper particle sizes pass through the gaps among the plurality of reinforcing steel bars 807 and are discharged from the discharge port 6, each time the transmission shaft 701 rotates, multiple cyclic clamping strokes are formed between each group of hammers 706 and the plurality of reinforcing bars 807, so that the coal blocks are crushed into the desired particle size.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. The utility model provides a screen bar formula breaker, its characterized in that, includes casing (3), the inside of casing (3) is provided with crushing mechanism (7) that are used for smashing the ore, filtering mechanism (8) that use with crushing mechanism (7) cooperation are installed to the bottom of casing (3) inner chamber, the top of casing (3) is equipped with diagonal pan feeding mouth (5), the bottom of casing (3) is equipped with discharge gate (6).

2. A screen bar crusher according to claim 1, characterised in that the crushing means (7) comprises a drive part arranged in the middle of the housing (3) and a crushing part arranged on the drive part.

3. The screen bar type crusher as claimed in claim 2, wherein the crushing part comprises a plurality of rotor discs (702) equidistantly mounted on the driving part, a plurality of pins (703) are arranged between the plurality of rotor discs (702), the pins (703) are alternately provided with a plurality of first knocking assemblies and a plurality of second knocking assemblies, the plurality of first knocking assemblies and the plurality of second knocking assemblies on the pins (703) are separated by the plurality of rotor discs (702), and the first knocking assemblies and the second knocking assemblies between two adjacent rotor discs (702) are alternately arranged.

4. A screen crusher as claimed in claim 3, characterised in that the first rapping assembly consists of two safety sleeves (704), two pendulums (705), two hammers (706) and two wear blocks (707), the second rapping assembly consists of two safety sleeves (704), two pendulums (705), two hammers (706) and two wear blocks (707), the safety sleeves (704) are mounted outside the pin shaft (703), the safety sleeves (704) are connected to the hammers (706) via the pendulums (705), and the wear blocks (707) are mounted at the ends of the hammers (706).

5. The screen bar type crusher according to claim 4, wherein the driving part comprises a transmission shaft (701) arranged in the middle of an inner cavity of the housing (3), the plurality of rotor discs (702) are fixedly mounted on a shaft body of the transmission shaft (701), two ends of the transmission shaft (701) are rotatably connected with brackets (708), the brackets (708) are mounted on one side of the housing (3), one end of the transmission shaft (701) penetrates through the brackets (708) and is fixedly connected with a motor (710), and the motor (710) is fixedly mounted on the support plate (202).

6. The screen bar type crusher according to claim 5, wherein the support (708) comprises an end plate (7081), a vertical plate (7082), a plurality of rib plates (7083) and a plurality of positioning square holes (7084), the end plate (7081) and the vertical plate (7082) are respectively provided with the plurality of positioning square holes (7084) for inserting vertebral-mortal joints, the plurality of rib plates (7083) are respectively installed at the bottom of the end plate (7081) through vertebral-mortal joints, the end plate (7081) and the plurality of rib plates (7083) are respectively installed at one side of the vertical plate (7082) through the plurality of vertebral-mortal joints, and the vertical plate (7082) is fixedly installed in the middle of one side of the shell (3).

7. A screen bar crusher as claimed in claim 5, characterised in that at least one flywheel (709) is fixedly mounted on the drive shaft (701).

8. The screen bar crusher according to any of claims 3 to 7, characterized in that the rotor disc (702) is embodied as a disc provided with fixing holes for positioning the pin (703).

9. A screen bar crusher as claimed in claim 8, characterised in that the fixing hole is provided with a set of positioning holes at its periphery, said set of positioning holes consisting of at least one positioning circular hole (711).

10. The screen bar crusher as claimed in claim 9, wherein the fixing hole and the same set of the plurality of positioning circular holes (711) are different in center, and the distance between the fixing hole and the same set of the plurality of positioning circular holes (711) and the outer ring of the rotor disc (702) is gradually increased.

11. The screen bar crusher as claimed in claim 1, wherein the filtering mechanism (8) comprises two arc-shaped connecting plates (801) fixedly mounted at the bottoms of the two sides of the inner cavity of the casing (3), the inner rings at the opposite sides of the two arc-shaped connecting plates (801) are provided with a plurality of reinforcing bars (807) for filtering ore, the opposite sides of the two arc-shaped connecting plates (801) are provided with a plurality of insertion holes (806) for inserting the reinforcing bars (807), and the plurality of reinforcing bars (807) form corresponding bar screen holes through the plurality of insertion holes (806) in the arc-shaped connecting plates (801).

12. The screen bar type crusher as claimed in claim 11, wherein the filtering mechanism (8) further comprises two cross frames (802), two ends of the two cross frames (802) are respectively and fixedly connected with two ends of two arc-shaped connecting plates (801), a plurality of arc-shaped frames (803) are arranged between the two arc-shaped connecting plates (801) and distributed at equal intervals, corresponding positioning holes for the reinforcing bars (807) to pass through are formed in the arc-shaped frames (803), a plurality of reinforcing ribs (804) for reinforcing the arc-shaped frames (803) are further arranged between the two arc-shaped connecting plates (801), the reinforcing ribs (804) are located on the outer sides of the arc-shaped frames (803), the arc-shaped frames (803) and the reinforcing ribs (804) are perpendicular to each other, and a plurality of clamping grooves (805) for the arc-shaped frames (803) to insert into are formed in the inner sides of the reinforcing ribs (804).

13. The screen bar crusher according to claim 12, characterized in that the arc of the arc connection plate (801) is 210 ° -220 °, and the arc of the arc frame (803) is 210 ° -220 °.

14. A screen bar crusher as claimed in claim 13, characterised in that the arc of the arc-shaped connecting plate (801) is in particular 220 °, and the arc of the arc-shaped frame (803) is in particular 220 °.

15. A screen bar crusher according to any one of claims 1, 10 or 14, characterized in that a base (1) is fixedly mounted at the bottom end of the housing (3), two connecting plates (101) for supporting the housing (3) are mounted inside the base (1), and a plurality of moving rollers (102) are mounted on both sides of the base (1).

16. The screen bar crusher according to claim 15, characterized in that a support (2) for supporting the driving part is arranged at one side of the top end of the base (1) far away from the shell (3), the support (2) is composed of a support frame (201) and a support plate (202), the support plate (202) is fixedly arranged at the top of the support frame (201), and the support frame (201) is fixedly arranged at one side of the top end of the base (1).

17. The screen bar type crusher as claimed in claim 16, wherein the bottom of each side of the supporting frame (201) is provided with an arc-shaped groove, and the top of each side of the supporting frame (201) is provided with two triangular holes and a round hole, and the round hole is arranged between the two triangular holes.

18. The screen bar crusher according to any one of claims 1, 10, 14 or 17, characterized in that the width of the upper cavity of the shell (3) is smaller than the width of the middle cavity, the width of the middle cavity of the shell (3) is larger than the width of the lower cavity, and the corners of the middle parts of the two sides of the shell (3) are both rounded and chamfered.

19. A screen crusher as claimed in claim 18, characterised in that the front and rear sides of the housing (3) are provided with magnetically attracted guards.