CN209156106U

CN209156106U - A kind of stone crusher with screening function

Info

Publication number: CN209156106U
Application number: CN201821745520.5U
Authority: CN
Inventors: 鲍洁; 王亚荣
Original assignee: Hubei Heli Jiusheng Concrete Co Ltd
Current assignee: Hubei Heli Jiusheng Concrete Co Ltd
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2019-07-26
Anticipated expiration: 2028-10-25

Abstract

The utility model relates to a kind of stone crushers with screening function, it is related to stone crusher technical field, it includes pulverizing chamber and sieve compartment, screening plant is provided in sieve compartment, screening plant includes screening part for opening smashed particle screening of different sizes and the actuator that is used to that screening part to be driven to move reciprocatingly in the horizontal plane, actuator includes motor, cam, the conflict plate contradicted always with cam, fixed plate, first spring and connecting rod, motor is arranged in outside sieve compartment and the motor shaft of motor is connect with cam, first spring one end connect the other end with conflict plate and connect with fixed plate, connecting rod is connect with axially vertical and one end of the first spring with plate is contradicted, the other end passes through screening chamber enclosure and connect with screening part, the connection for making screening part move reciprocatingly in sieve compartment is provided between screening part and screening chamber interior walls Part.The utility model has the vibration reduced to stone crusher, can enhance the effect in stone crusher service life to a certain extent.

Description

A kind of stone crusher with screening function

Technical field

The utility model relates to stone crusher technical field more particularly to a kind of stone crushers with screening function.

Background technique

Stone crusher can be divided into medical stoner and mining industry stone crusher according to major class.Magnanimity is adapted in mining industry stone crusher principle Mine hard rock is broken, and on building sites, each place requires to use this material of building stones, after stone crusher broken stone, It needs to sieve broken stone.

Authorization Notice No. is that CN206549715U Chinese patent discloses a kind of mining machinery with screening function with broken Stone machine, including pulverizing chamber and sieve compartment, are separated between the pulverizing chamber and sieve compartment by sieving plate, inside the sieve compartment Equipped with the second sieving plate and third sieving plate, second sieving plate and third are sieved real scoreboard and are obliquely installed, second screening The bottom of plate and third sieving plate and sieve compartment is mounted on vibrating motor, by the vibration of vibrating motor, by variable grain The stone material of size sieves.

Prior art among the above has the following deficiencies: that during screening, vibrating motor can generate larger vibration It is dynamic, the structure of sieve compartment is affected greatly, serious setting influences the service life of entire stone crusher.

Utility model content

The purpose of this utility model is to provide a kind of stone crushers with screening function, have the vibration reduced to stone crusher It is dynamic, the effect in stone crusher service life can be enhanced to a certain extent.

The above-mentioned purpose of the utility model has the technical scheme that

A kind of stone crusher with screening function, including pulverizing chamber and sieve compartment, be provided at the top of the sieve compartment into Material mouth, the bottom of the sieve compartment are provided with discharge port, and the feed inlet of the sieve compartment is connected with the outlet of sieve compartment, described Screening plant is provided in sieve compartment, the screening plant includes the sieve for opening smashed particle screening of different sizes Bulk-breaking and for driving the actuator that moves reciprocatingly in the horizontal plane of screening part, the actuator include motor, cam, with it is convex Conflict plate, fixed plate, the first spring and the connecting rod contradicted always is taken turns, the motor is arranged in outside sieve compartment and the motor of motor Axis is connect with cam, and first spring one end connect the other end with conflict plate and connect with fixed plate, the connecting rod and first Axially vertical and one end of spring is connect with plate is contradicted, and the other end passes through screening chamber enclosure and connect with screening part, the screening part The connector for making screening part move reciprocatingly in sieve compartment is provided between screening chamber interior walls.

By using above-mentioned technical proposal, smashed building stones are entered from feed inlet, at this point, starting motor, motor rotation, Cam is rotated with motor, and cam contradicts always with plate is contradicted, and cam extrusion contradicts plate, is contradicted plate and is transported toward close to fixed plate direction Dynamic, the first spring is compressed, and the first spring is compressed to a certain degree, can be rebounded under self-acting, at this point, contradicting plate toward far It is moved from fixed plate direction, contradicts plate and move reciprocatingly, connecting rod one end connect the other end across screening chamber enclosure with plate is contradicted It is connected with screening part, connecting rod drives screening part to move reciprocatingly, and can sieve to building stones, replaces vibration electricity with actuator Machine, sieve compartment will not vibrate under the action of vibrating motor, and stone crusher will not be vibrated in screening, reduce screening movement to rubble The damage of machine, to extend the service life of stone crusher to a certain extent；Connector not only secures screening part but also can to sieve Bulk-breaking moves reciprocatingly in sieve compartment.

The utility model is further arranged to: offering cunning along the direction of the first telescopic spring on the screening chamber enclosure Slot is provided with the sliding block for sliding in sliding slot, the sliding slot sealing two ends setting in the connecting rod.

By using above-mentioned technical proposal, the direction that screening part moves reciprocatingly is consistent with the telescopic direction of the first spring, On screening chamber enclosure along the direction of the first telescopic spring sliding slot is offered, is provided in connecting rod for being slided in sliding slot Sliding block, sliding block slide in sliding slot, so that connecting rod is slided on screening chamber enclosure along the telescopic direction of the first spring, are convenient for The Stable sliding of connecting rod, consequently facilitating stablizing screening；The setting of baffle can prevent sliding block and sliding slot from being detached from, to prevent to connect Bar and screening chamber enclosure are detached from.

The utility model is further arranged to: being provided with ball between the sliding block and sliding slot.

By using above-mentioned technical proposal, the setting of ball can reduce the friction between sliding block and sliding slot, thus the company of reduction Friction between extension bar and screening chamber enclosure, convenient for the sliding of connecting rod.

The utility model is further arranged to: slide bar, described slide bar one end are provided between conflict plate and the fixed plate It is fixedly connected with plate is contradicted, the other end passes through fixed plate and is slidably connected with fixed plate, and first spring is set on slide bar It is coaxially disposed with slide bar.

By using above-mentioned technical proposal, the first spring is set on slide bar, can prevent the compressed process of the first spring Middle spring coil between tangled phenomenon occur.

The utility model is further arranged to: on the slide bar far from contradict plate one end be provided with for prevent slide bar with The block that fixed plate is detached from.

By using above-mentioned technical proposal, the setting of block can prevent slide bar and fixed plate from being detached from, convenient for reciprocating motion Stablize and carries out.

The utility model is further arranged to: the axial direction on the slide bar along slide bar offers sliding rail, the fixed plate On be provided with idler wheel for sliding in sliding rail, the length of the sliding rail is adapted with the elastic limit of the first spring.

By using above-mentioned technical proposal, slide bar and the first spring are coaxially disposed, the axis for opening up direction and slide bar of sliding rail To consistent, i.e. sliding rail opens up that direction is consistent with the telescopic direction of the first spring, and idler wheel slides in sliding rail, so that slide bar and solid The sliding of fixed board and the stretching motion of the first spring are consistent, and are beneficial to move back and forth stable progress, idler wheel is sliding in sliding rail It is dynamic, the friction between fixed plate and slide bar can be reduced, so as to reduce the abrasion between slide bar and fixed plate.

The utility model is further arranged to: the screening part includes Screening Network and the mounting rack for installing Screening Network, The Screening Network includes the first Screening Network, the second Screening Network and third Screening Network, and the mesh of first Screening Network is greater than second The mesh of Screening Network is greater than the mesh of third Screening Network, and for first Screening Network close to feed inlet, the third Screening Network is close Discharge port, second Screening Network are arranged useful between the first Screening Network and the second Screening Network on the screening chamber enclosure Go out in first outlet, second outlet and the third gone out for the building stones on the first Screening Network, the second Screening Network and third Screening Network Mouthful, the first outlet and second outlet are located at sieve compartment both ends, the third outlet positioned at first outlet and second outlet it Between, the connector is connected between mounting rack and sieve compartment inner sidewall.

By using above-mentioned technical proposal, broken building stones are entered from feed inlet, under the action of actuator, mounting rack It moves reciprocatingly, at this point, smashed building stones successively pass through the first Screening Network, the second Screening Network and third Screening Network, wherein most Big building stones are gone out from first outlet, and the smallest building stones are gone out from discharge port, and second largest building stones are gone out from second outlet, third Big building stones export away from third, and smashed building stones are once sieved into four grades by screening part, and screening efficiency is high, and are sieved Divide finely, convenient for utilizing；First Screening Network and the second Screening Network move reciprocatingly, i.e. swing, and first outlet and second goes out Mouth is located at sieve compartment both ends, goes out out of sieve compartment convenient for the building stones on the first Screening Network and the second Screening Network.

The utility model is further arranged to: the connector is several second springs, described second spring one end and peace Connection is shelved, the other end is connect with sieve compartment inner sidewall.

By using above-mentioned technical proposal, it must be elasticity that second spring, which has, several conducive to the reciprocating motion of screening part Second spring can play fixed function to screening part, define that screening part is sieving indoor position, reduce because of screening part position hair Raw offset fails to accept the generation of this phenomenon of broken building stones.

The utility model is further arranged to: being arranged between the one end of the mounting rack far from discharge port and sieve compartment roof There is the organ plate for preventing to fall to from the building stones that feed inlet is come in the gap between mounting rack and sieve compartment side wall.

By using above-mentioned technical proposal, the setting of organ plate, which can be reduced, even prevents the building stones come in from feed inlet from falling Into the gap between mounting rack and sieve compartment side wall, to improve the efficiency and quality of screening.

The utility model is further arranged to: dust-extraction unit is provided on the sieve compartment, the dust-extraction unit includes inhaling Dirt pipe, blower and disposal box, described sweep-up pipe one end are connected to sieve compartment roof, and the other end is connected to disposal box, the blower It is arranged in sweep-up pipe and is located at disposal box.

By using above-mentioned technical proposal, building stones can generate dust, over time when moving back and forth on Screening Network It can be deposited in sieve compartment, influence the service life of sieve compartment, it is indoor that dust-extraction unit can absorb screening to a certain extent Dust reduces the accumulation of dust, to extend the service life of stone crusher to a certain extent；Start blower, blower is dust suction Pipe provides power, and sweep-up pipe will sieve in indoor dust sucking disposal box, and dust is collected into disposal box, convenient for dust It being focused on or is utilized, dust-extraction unit structure is simple, and it is easy to operate, it is easy to implement.

In conclusion the utility model has the following beneficial effects:

1, it contradicts plate to move reciprocatingly, connecting rod one end connect the other end across screening chamber enclosure and screening part with plate is contradicted It is connected, connecting rod drives screening part to move reciprocatingly, and can sieve to building stones, replace vibrating motor with actuator, sieves Room will not vibrate under the action of vibrating motor, and stone crusher will not be vibrated in screening, reduce screening movement to the damage of stone crusher It is bad, to extend the service life of stone crusher to a certain extent；

2, smashed building stones successively pass through the first Screening Network, the second Screening Network and third Screening Network, wherein maximum stone Material is gone out from first outlet, and the smallest building stones are gone out from discharge port, and second largest building stones are gone out from second outlet, the third-largest stone Material exports away from third, and smashed building stones are once sieved into four grades by screening part, and screening efficiency is high, and sieve essence Carefully, convenient for utilization.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is the structural schematic diagram of the part-structure of the utility model.

Fig. 3 is the portion the A enlarged drawing in Fig. 2.

Fig. 4 is the sliding rail of the utility model and the structural schematic diagram of idler wheel.

Fig. 5 is the cross-sectional view of the part-structure of the utility model.

Appended drawing reference: 1, pulverizing chamber；2, sieve compartment；21, feed inlet；22, discharge port；3, part is sieved；31, Screening Network； 311, the first Screening Network；3111, first outlet；312, the second Screening Network；3121, second outlet；313, third Screening Network； 3131, third exports；32, mounting rack；4, actuator；41, motor；42, cam；43, plate is contradicted；44, fixed plate；45, first Spring；46, connecting rod；5, sliding slot；51, sliding block；52, ball；6, slide bar；61, block；62, sliding rail；63, idler wheel；7, the second bullet Spring；8, dust-extraction unit；81, sweep-up pipe；82, blower；83, disposal box；9, organ plate.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Referring to Fig.1,2, it is a kind of stone crusher with screening function disclosed by the utility model, including pulverizing chamber 1 and sieve Locellus 2 is provided under pulverizing chamber 1 and is used to support pulverizing chamber 1 and sends out support frame, and the top of sieve compartment 2 is provided with feed inlet 21, sieves The bottom of locellus 2 is provided with discharge port 22, and the feed inlet 21 of sieve compartment 2 is connected with the outlet of sieve compartment 2, sets in sieve compartment 2 It is equipped with screening plant, screening plant includes screening part 3 for opening smashed particle screening of different sizes and is used to drive The actuator 4 that dynamic screening part 3 moves reciprocatingly in the horizontal plane, actuator 4 include motor 41, cam 42, with cam 42 always Conflict plate 43, fixed plate 44, the first spring 45 and the connecting rod 46 of conflict, motor 41 are arranged in that sieve compartment 2 is outer and motor 41 41 axis of motor is connect with cam 42, and 45 one end of the first spring connect the other end with conflict plate 43 and connect with fixed plate 44, connecting rod 46 connect with axially vertical and one end of the first spring 45 with plate 43 is contradicted, and the other end passes through 2 shell of sieve compartment and screening part 3 connects It connects, sieves the connector being provided between part 3 and 2 inner wall of sieve compartment for making screening part 3 move reciprocatingly in sieve compartment 2.

Referring to Fig.1,2, smashed building stones are entered from feed inlet 21, at this point, starting motor 41, motor 41 rotate, cam 42 rotate with motor 41, and cam 42 contradicts always with plate 43 is contradicted, and cam 42 squeezes and contradicts plate 43, contradict plate 43 toward close to fixed The movement of 44 direction of plate, the first spring 45 are compressed, and the first spring 45 is compressed to a certain degree, can be rebounded under self-acting, At this point, contradicting, plate 43 is past to be moved far from 44 direction of fixed plate, is contradicted plate 43 and is moved reciprocatingly, 46 one end of connecting rod and conflict plate 43 The connection other end passes through 2 shell of sieve compartment and is connected with screening part 3, and connecting rod 46 drives screening part 3 to move reciprocatingly, can be to stone Material is sieved, and replaces vibrating motor 41 with actuator 4, sieve compartment 2 will not vibrate under the action of vibrating motor 41, stone crusher It will not be vibrated in screening, damage of the screening movement to stone crusher be reduced, to extend the use of stone crusher to a certain extent Service life；Connector not only secures screening part 3 but also screening part 3 can be made to move reciprocatingly in sieve compartment 2.

It referring to Fig. 2,3, contradicts and is provided with slide bar 6 between plate 43 and fixed plate 44,6 one end of slide bar and conflict plate 43 are fixed and connected It connects, the other end passes through fixed plate 44 and is slidably connected with fixed plate 44, and the first spring 45 is set in coaxial with slide bar 6 on slide bar 6 Setting can prevent phenomenon tangled between the middle spring coil of the compressed process of the first spring 45 from occurring.Slide bar 6 The upper block 61 being provided with far from the one end for contradicting plate 43 for preventing slide bar 6 and fixed plate 44 from being detached from, the setting of block 61 can It prevents slide bar 6 and fixed plate 44 from being detached from, is carried out convenient for stablizing for reciprocating motion, in the present embodiment, block 61 is to be socketed in slide bar 6 On rubber plug.

Referring to Fig. 2,4, sliding rail 62 is offered along the axial direction of slide bar 6 on slide bar 6, is provided in fixed plate 44 in cunning The idler wheel 63 slided in rail 62, the length of sliding rail 62 are adapted with the elastic limit of the first spring 45, and sliding rail 62 opens up direction Consistent with the telescopic direction of the first spring 45, idler wheel 63 slides in sliding rail 62, so that the sliding of slide bar 6 and fixed plate 44 and the The stretching motion of one spring 45 is consistent, and is beneficial to move back and forth stable progress, and idler wheel 63 slides in sliding rail 62, can reduce Friction between fixed plate 44 and slide bar 6, so as to reduce the abrasion between slide bar 6 and fixed plate 44.

Referring to Fig. 2,3, sliding slot 5 is offered along the direction that the first spring 45 stretches on 2 shell of sieve compartment, in connecting rod 46 It is provided with the sliding block 51 for sliding in sliding slot 5, sliding block 51 slides in sliding slot 5, so that connecting rod 46 is in 2 shell of sieve compartment On slided along the telescopic direction of the first spring 45, convenient for the Stable sliding of connecting rod 46, consequently facilitating stablizing screening；Sliding slot 5 Sealing two ends setting, the setting of baffle can prevent sliding block 51 and sliding slot 5 from being detached from, to prevent connecting rod 46 and 2 shell of sieve compartment It is detached from.Sliding slot 5 is set as T-slot in the present embodiment, and sliding block 51 is set as the T-block matched with T-slot, in other embodiments In, sliding slot 5 be dovetail groove, sliding block 51 be with dovetail groove match and dovetails.Ball is provided between sliding block 51 and sliding slot 5 52, in the present embodiment, ball 52 is arranged on sliding block 51, and the setting of ball 52 can reduce the friction between sliding block 51 and sliding slot 5, To reduce the friction between 2 shell of connecting rod 46 and sieve compartment, convenient for the sliding of connecting rod 46.

Referring to Fig.1,5, screening part 3 includes Screening Network 31 and the mounting rack 32 for installing Screening Network 31, in the present embodiment, Screening Network 31 is set as three, and Screening Network 31 includes the first Screening Network 311, the second Screening Network 312 and third Screening Network 313, In other embodiments, Screening Network 31 can also be arranged to two or four, according to the size of smashed building stones and the use of building stones The number of Screening Network 31 is arranged in way.The mesh that the mesh of first Screening Network 311 is greater than the second Screening Network 312 is greater than third Screening Network 313 mesh, the first Screening Network 311 is close to feed inlet 21, and third Screening Network 313 is close to discharge port 22, the second Screening Network 312 Between the first Screening Network 311 and the second Screening Network 312, it is provided on 2 shell of sieve compartment for for the first Screening Network 311, the First outlet 3111, second outlet 3121 and the third outlet that building stones on two Screening Networks 312 and third Screening Network 313 are gone out 3131, smashed building stones successively pass through the first Screening Network 311, the second Screening Network 312 and third Screening Network 313, wherein maximum Building stones go out from first outlet 3111, the smallest building stones are gone out from discharge port 22, and second largest building stones are from second outlet 3121 It goes out, the third-largest building stones are gone out from third outlet 3131, and part 3, which is sieved, by smashed building stones is once sieved into four grades, Screening efficiency is high, and sieves finely, convenient for utilizing.

Referring to Fig.1,5, in the present embodiment, first outlet 3111 and second outlet 3121 are located at 2 both ends of sieve compartment, third Outlet 3131 is separately provided for being connected between first outlet 3111 and second outlet 3121 on 2 outer wall of sieve compartment The outlet of first outlet 3111, second outlet 3121 and third outlet 3131, convenient for stablizing discharging, connector is connected to mounting rack Between 32 and 2 inner sidewall of sieve compartment, the first Screening Network 311 and the second Screening Network 312 move reciprocatingly, i.e. swing, and first Outlet 3111 and second outlet 3121 are located at 2 both ends of sieve compartment, convenient for the stone on the first Screening Network 311 and the second Screening Network 312 Material is gone out out of sieve compartment 2.In other embodiments, first outlet 3111, second outlet 3121 can be set according to the actual situation With the position of third outlet 3131.

Referring to Fig.1,5, connector is several second springs 7, and 7 one end of second spring connect with mounting rack 32, the other end and The connection of 2 inner sidewall of sieve compartment.It must be elasticity that second spring 7, which has, conducive to the reciprocating motion of screening part 3, several second springs 7 Fixed function can be played to screening part 3, define position of the screening part 3 in sieve compartment 2, reduced because the generation of screening 3 position of part is inclined Move the generation for failing to accept this phenomenon of broken building stones.

Referring to Fig.1,5, organ plate 9, wind are provided between 2 roof of the one end of mounting rack 32 far from discharge port 22 and sieve compartment The setting of plate 9, which can be reduced, even to be prevented to fall between 2 side wall of mounting rack 32 and sieve compartment from the building stones that feed inlet 21 is come in Gap in, to improve the efficiency and quality of screening.

Referring to Fig.1,5, building stones can generate dust when moving back and forth on Screening Network 31, can be deposited in over time In sieve compartment 2, the service life of sieve compartment 2 is influenced, dust-extraction unit 8 is provided on sieve compartment 2, dust-extraction unit 8 can be certain The dust in sieve compartment 2 is absorbed in degree, reduces the accumulation of dust, to extend the use longevity of stone crusher to a certain extent Life；Dust-extraction unit 8 includes sweep-up pipe 81, blower 82 and disposal box 83, and 81 one end of sweep-up pipe is connected to 2 roof of sieve compartment, another End is connected to disposal box 83, and blower 82 is arranged in sweep-up pipe 81 and is located at disposal box 83, starts blower 82, blower 82 Power is provided for sweep-up pipe 81, for sweep-up pipe 81 by the dust sucking disposal box 83 in sieve compartment 2, dust is collected into disposal box In 83, convenient for being focused on or being utilized to dust.

The implementation principle of the present embodiment are as follows: smashed building stones are entered from feed inlet 21, at this point, starting motor 41, motor 41 rotations, cam 42 are rotated with motor 41, and cam 42 contradicts always with plate 43 is contradicted, and cam 42 squeezes and contradicts plate 43, contradict plate 43 move toward close to 44 direction of fixed plate, and the first spring 45 is compressed, and the first spring 45 is compressed to a certain degree, can be at itself The lower rebound of effect, moves toward far from 44 direction of fixed plate at this point, contradicting plate 43, contradicts plate 43 and move reciprocatingly, connecting rod 46 1 End connect the other end with conflict plate 43 and is connected across 2 shell of sieve compartment with screening part 3, and connecting rod 46 drives screening part 3 to do back and forth Movement, at this point, smashed building stones successively pass through the first Screening Network 311, the second Screening Network 312 and third Screening Network 313, In, maximum building stones are gone out from first outlet 3111, and the smallest building stones are gone out from discharge port 22, and second largest building stones go out from second Mouth 3121 is gone out, and the third-largest building stones are gone out from third outlet 3131, is sieved part 3 for smashed building stones and is once sieved into four Grade, screening efficiency is high, and replaces vibrating motor 41 with actuator 4, and sieve compartment 2 will not vibrate, and reduces screening movement to broken The damage of stone machine, to extend the service life of stone crusher to a certain extent.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims

1. a kind of stone crusher with screening function, including pulverizing chamber (1) and sieve compartment (2), set at the top of the sieve compartment (2) It is equipped with feed inlet (21), the bottom of the sieve compartment (2) is provided with discharge port (22), the feed inlet (21) of the sieve compartment (2) It is connected with the outlet of sieve compartment (2), which is characterized in that be provided with screening plant, the screening plant in the sieve compartment (2) Including the screening part (3) for opening smashed particle screening of different sizes and for driving screening part (3) in horizontal plane On the actuator (4) that moves reciprocatingly, the actuator (4) includes motor (41), cam (42), contradicts always with cam (42) Conflict plate (43), fixed plate (44), the first spring (45) and connecting rod (46), the motor (41) is arranged in sieve compartment (2) Outer and motor (41) motor (41) axis is connect with cam (42), and described first spring (45) one end is connect separately with plate (43) are contradicted One end is connect with fixed plate (44), axially vertical and one end and conflict plate (43) of the connecting rod (46) and the first spring (45) Connection, the other end passes through sieve compartment (2) shell and connect with screening part (3), between the screening part (3) and sieve compartment (2) inner wall It is provided with for making to sieve part (3) in the interior connector to move reciprocatingly of sieve compartment (2).

2. a kind of stone crusher with screening function according to claim 1, which is characterized in that the sieve compartment (2) is outside It offers sliding slot (5) on shell along the direction that the first spring (45) stretch, is provided on the connecting rod (46) in sliding slot (5) sliding block (51) slided in, sliding slot (5) the sealing two ends setting.

3. a kind of stone crusher with screening function according to claim 2, which is characterized in that the sliding block (51) and cunning Ball (52) are provided between slot (5).

4. a kind of stone crusher with screening function according to claim 1, which is characterized in that the conflict plate (43) with It is provided between fixed plate (44) slide bar (6), described slide bar (6) one end is fixedly connected with plate (43) are contradicted, and the other end passes through solid It fixed board (44) and is slidably connected with fixed plate (44), first spring (45) is set on slide bar (6) and slide bar (6) is coaxial sets It sets.

5. a kind of stone crusher with screening function according to claim 4, which is characterized in that remote on the slide bar (6) The one end for contradicting plate (43) is provided with the block (61) for preventing slide bar (6) and fixed plate (44) from being detached from.

6. a kind of stone crusher with screening function according to claim 5, which is characterized in that edge on the slide bar (6) The axial direction of slide bar (6) offer sliding rail (62), the rolling for sliding in sliding rail (62) is provided on the fixed plate (44) It takes turns (63), the length of the sliding rail (62) is adapted with the elastic limit of the first spring (45).

7. a kind of stone crusher with screening function according to claim 1, which is characterized in that screening part (3) packet Screening Network (31) and the mounting rack (32) for installing Screening Network (31) are included, the Screening Network (31) includes the first Screening Network (311), the second Screening Network (312) and third Screening Network (313), the mesh of first Screening Network (311) are greater than the second screening The mesh of net (312) is greater than the mesh of third Screening Network (313), and first Screening Network (311) is described close to feed inlet (21) For third Screening Network (313) close to discharge port (22), second Screening Network (312) is located at the first Screening Network (311) and the second sieve Between subnetting (312), it is provided on sieve compartment (2) shell for for the first Screening Network (311), the second Screening Network (312) First outlet (3111), second outlet (3121) and the third outlet (3131) gone out with the building stones on third Screening Network (313), The first outlet (3111) and second outlet (3121) are located at sieve compartment (2) both ends, and the third outlet (3131) is located at the Between one outlet (3111) and second outlet (3121), the connector is connected to mounting rack (32) and sieve compartment (2) inner sidewall Between.

8. a kind of stone crusher with screening function according to claim 7, which is characterized in that the connector is several Second spring (7), described second spring (7) one end are connect with mounting rack (32), and the other end is connect with sieve compartment (2) inner sidewall.

9. a kind of stone crusher with screening function according to claim 7, which is characterized in that the mounting rack (32) is remote It separates out and is provided between one end of material mouth (22) and sieve compartment (2) roof for preventing the building stones come in from feed inlet (21) from falling To the organ plate (9) in the gap between mounting rack (32) and sieve compartment (2) side wall.

10. a kind of stone crusher with screening function according to claim 1, which is characterized in that on the sieve compartment (2) It is provided with dust-extraction unit (8), the dust-extraction unit (8) includes sweep-up pipe (81), blower (82) and disposal box (83), the dust suction Pipe (81) one end is connected to sieve compartment (2) roof, and the other end is connected to disposal box (83), and the blower (82) is arranged in sweep-up pipe (81) in and it is located at disposal box (83).