CN114669346B

CN114669346B - Finishing machine for building material concrete manufacture

Info

Publication number: CN114669346B
Application number: CN202210337220.8A
Authority: CN
Inventors: 刘永胜
Original assignee: Hefei Xinqingshen New Building Materials Co ltd
Current assignee: Hefei Xinqingshen New Building Materials Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2023-01-10
Anticipated expiration: 2042-03-31
Also published as: CN114669346A

Abstract

The invention relates to the technical field of building material processing, and discloses a finishing machine for building material concrete manufacturing, which comprises a feed hopper and a box body, wherein one side of the box body is fixedly connected with the feed hopper through a mounting opening, the lower end of the feed hopper is fixedly connected with a support frame, the front side of the box body is provided with a discharge opening, a transmission shaft is rotatably connected in the feed hopper through a sealed bearing, the shaft wall of the transmission shaft is provided with a screening mechanism, the screening mechanism is used for screening large-particle stone materials, one side of the screening mechanism in the feed hopper is provided with a jaw plate, and the jaw plate is matched with the screening mechanism to crush the large-particle stone materials. This building materials concrete manufacture finish machining machinery can be fully sieved out the aggregate of great granule before the preparation concrete, and can carry out the breakage with the aggregate after sieving, avoids large granule aggregate to influence the quality after the concrete curing, also can wash the aggregate when sieving simultaneously.

Description

Finishing machine for building material concrete manufacture

Technical Field

The invention relates to the technical field of building material processing, in particular to a finishing machine for building material concrete manufacturing.

Background

Concrete is one of the most important civil engineering materials of the present generation. The artificial building material is prepared by a cementing material, aggregates (sand and stone), water, additives and admixtures which are added if necessary according to a certain proportion, and the artificial building material is formed by uniformly stirring, compacting, molding and hardening.

Generally, large stones mined from mines are crushed and classified according to the crushed particle size, and used in different civil engineering works, and in general, many crushers for crushing stones use machines such as jaw crushers, cone crushers, and counter roll crushers, which can crush stones directly at the site of a mining area and then transport them to a site of use.

At present, although the crushed stones in a mine can be directly used, the granularity of the stones is still uneven, particularly when the stones are used for producing concrete prefabricated parts, the stones with large granularity are stuck between a reinforcement cage and a mould, aggregate in concrete is piled up and cannot be uniformly distributed in a gel material after tamping, so that the gel material at the piled part is less, and the hardness and the compressive strength of the concrete after curing are influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a finishing machine for building material concrete manufacture, which has the advantages of fully screening large-particle aggregates before preparing concrete, crushing the screened aggregates, avoiding the influence of the large-particle aggregates on the quality of the solidified concrete, cleaning the aggregates during screening and the like, and solves the problems that when a concrete prefabricated part is produced, stones with large particle sizes are stuck between a reinforcement cage and a mould, and after tamping, the aggregates in the concrete are piled up and cannot be uniformly distributed in gel materials, so that the gel materials at the piled-up part are less, and the hardness and the compressive strength of the solidified concrete are influenced.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a building material concrete manufacturing finish machining machine comprises a feeding hopper and a box body, wherein one side of the box body is fixedly connected with the feeding hopper through a mounting hole, the lower end of the feeding hopper is fixedly connected with a supporting frame, a discharging hole is formed in the front side of the box body, a transmission shaft is rotatably connected in the feeding hopper through a sealed bearing, a screening mechanism is arranged on the shaft wall of the transmission shaft and used for screening large-particle stone materials, a jaw plate is arranged on one side, located in the screening mechanism, of the feeding hopper, and the jaw plate is matched with the screening mechanism to crush the large-particle stone materials;

the utility model discloses a washing machine, including box, casing, row's material mechanism, discharge mechanism, the box is equipped with the casing in, the casing is cylindrical structure, the lateral wall of casing is connected with row material mechanism, arrange the building stones that material mechanism is used for discharging after the processing, arrange material mechanism simultaneously and also can stir the building stones in the box and wash.

Preferably, the first motor of one side fixedly connected with of feeder hopper, the output fixedly connected with action wheel of first motor, the action wheel has cup jointed the belt, and has cup jointed from driving wheel and band pulley in the belt, be used for driving screening mechanism from driving wheel and transmission shaft fixed connection, the band pulley is connected with drive mechanism, the one end of jaw is passed through the round pin axle and is rotated the connection in the feeder hopper, the other end of jaw is equipped with the kink, and the lateral wall of kink is equipped with broken groove, kink and drive mechanism on the jaw link to each other, the lower extreme fixedly connected with drain pipe of box, the right side fixedly connected with overflow pipe of box, a plurality of spray pipes of one side fixedly connected with of feeder hopper.

Preferably, screening mechanism is including the screening board, the screening board is the arc structure, the one end of screening board and the inner wall fixed connection of feeder hopper, a plurality of bin outlets have evenly been seted up to the other end of screening board, fixedly connected with multiunit evenly distributed's the material tooth of dialling on the axle wall of transmission shaft, and dial the material tooth and constitute by a plurality of evenly distributed's arc pole, one of them is a set of it is located the bin outlet to dial the material tooth, a plurality of evenly distributed's of fixedly connected with blend stop on the axle wall of transmission shaft, the one end of transmission shaft pass sealed bearing and with follow driving wheel axle center fixed connection, fixedly connected with swash plate in the feeder hopper, and the one end of swash plate extends to the top of screening board.

Preferably, a plurality of evenly distributed's opening is seted up to the lateral wall of blend stop, one side fixedly connected with a plurality of connecting blocks of blend stop, it is a plurality of the connecting block corresponds and dials a plurality of arc pole fixed connection of material tooth, and the equal fixedly connected with lug in both sides that the arc pole is relative.

Preferably, drive mechanism includes the bent axle, a plurality of rectangle frames have been cup jointed on the axle wall of bent axle, and is a plurality of the common fixedly connected with baffle in upper end of rectangle frame, the baffle passes through the rotation axis and is connected with the inner wall rotation of feeder hopper, a plurality of discharge material passageway have been seted up to the lateral wall of baffle, and discharge material passageway is the trapezium structure, the upper end of baffle is connected with a plurality of evenly distributed's transfer line through the pin rotation, and is a plurality of the one end that the baffle was kept away from to the transfer line all rotates through connecting axle and kink to be connected, the inboard rotation of ball bearing and feeder hopper is passed through to the one end of bent axle is connected, the one end of bent axle pass ball bearing and with one side fixed connection of band pulley.

Preferably, it includes a plurality of fixed plates to arrange material mechanism, and is a plurality of the even fixed connection of fixed plate is at the lateral wall of casing, a plurality of row of material teeth of lateral wall fixedly connected with of fixed plate, the mesh board of fixedly connected with arc structure in the box, the one end fixedly connected with second motor of box, the output fixedly connected with worm of second motor, the worm meshes has the worm wheel, one side of worm wheel is with axle center fixedly connected with pivot, and the pivot is passed through bearing and is connected with one side rotation of box, the one end of pivot pass bearing and with one side fixed connection of casing, be equipped with the horizontal pole in the casing, be equipped with adjustment mechanism on the pole wall of horizontal pole, fixedly connected with stock guide in the row material mouth on the box.

Preferably, adjustment mechanism includes a plurality of connecting plates, and is a plurality of the connecting plate contacts with one side of a plurality of fixed plates respectively, a plurality of fender teeth of one side fixedly connected with of connecting plate, it is a plurality of fender tooth contact with one side of a plurality of row's material tooth respectively to keep off the tooth, a plurality of rectangular blocks of one end fixedly connected with of connecting plate are kept away from, the casing cup joints with a plurality of rectangular blocks respectively through the bar through-hole, the one end of rectangular block pass the bar through-hole and with the pole wall fixed connection of horizontal pole, the one end of casing cup joints through the pole wall of round hole and horizontal pole, two pneumatic cylinders of one side fixedly connected with of box, two the common fixedly connected with bearing frame of output of pneumatic cylinder, the one end of horizontal pole runs through the lateral wall of box and rotates with the bearing frame to be connected.

Preferably, two circular rings are sleeved on the rod wall of the cross rod and are fixedly connected with the inner side of the shell, a plurality of limiting rods are arranged on one sides of the blocking teeth, and the rod wall of each limiting rod is fixedly connected with the plurality of discharging teeth through a plurality of fixing blocks.

(III) advantageous effects

Compared with the prior art, the invention provides a finishing machine for manufacturing building material concrete, which has the following beneficial effects:

1. compared with the prior art, the screening mechanism is driven to work through the work of the transmission shaft, large aggregates are conveyed by the screening mechanism to be in contact with the jaw plate, the aggregates are crushed by the crushing groove in the jaw plate, the crushed aggregates directly fall into the box body, the aggregates in the box body are discharged from the discharge opening by the work of the discharging mechanism, and the aggregates can be stirred to be cleaned in the box body when being discharged, so that the aggregates can be effectively crushed and cleaned.

2. Compared with the prior art, the screening mechanism provided by the invention utilizes the plurality of material stirring teeth to do circular motion to support large-particle aggregate, so that the aggregate is screened, when the aggregate is stirred from bottom to top, the aggregate can be prevented from being blocked in the discharge port, then the aggregate is pushed to be in contact with the jaw plate by utilizing the blocking strip to realize crushing, and the baffle can swing to accelerate the aggregate to slide down into the box body, so that the large-particle aggregate can be effectively treated before concrete production.

3. Compared with the prior art, the discharging mechanism provided by the invention utilizes the discharging teeth to stir the aggregates on the mesh plate, the aggregates pass through gaps of the discharging teeth, impurities on the aggregates are cleaned by water, and then the movable blocking teeth and the discharging teeth are matched to prevent the aggregates from passing through, so that the aggregates are pushed to move to the discharging opening from the mesh plate, and the aggregates can be discharged quickly.

Drawings

FIG. 1 is a schematic view of a finishing machine for manufacturing building material concrete according to the present invention;

FIG. 2 is a schematic view of the internal structure of a feed hopper of a finishing machine for the manufacture of building material concrete according to the present invention;

FIG. 3 is a schematic view of the construction of a jaw plate and a baffle plate in a finishing machine for manufacturing building material concrete according to the present invention;

FIG. 4 is a schematic view of the construction of a drive shaft and curved rods in a finishing machine for the manufacture of building material concrete in accordance with the present invention;

FIG. 5 is a schematic view of a screen plate of a finishing machine for making building material concrete according to the present invention;

FIG. 6 is a plan view of the finishing machine of FIG. 2 for the manufacture of building material concrete in accordance with the present invention;

FIG. 7 is a schematic view of a jaw plate of a finishing machine for manufacturing building material concrete according to the present invention;

FIG. 8 is a schematic view of the internal structure of a box in a finishing machine for manufacturing building material concrete according to the present invention;

FIG. 9 is a schematic view of a discharge mechanism of a finishing machine for manufacturing building material concrete in accordance with the present invention;

FIG. 10 is a schematic view of the housing and discharge teeth of a building material concrete finishing machine according to the present invention;

FIG. 11 is a schematic view of the construction of the housing and the retainer tooth of a finishing machine for manufacturing building material concrete according to the present invention;

FIG. 12 is a schematic view of the construction of the housing and cross bar of a finishing machine for the manufacture of building material concrete in accordance with the present invention;

FIG. 13 is a schematic view of the cross bar, rectangular blocks and connecting plates of a finishing machine for the manufacture of building material concrete according to the present invention;

FIG. 14 is a schematic view of a housing of a finishing machine for manufacturing building material concrete according to the present invention;

FIG. 15 is a plan view of FIG. 8 of a finishing machine for the manufacture of building material concrete in accordance with the present invention;

figure 16 is a right side elevational view of figure 1 of a finishing machine for the manufacture of building material concrete in accordance with the present invention.

In the figure: 1. a feed hopper; 2. a box body; 3. a stock guide; 4. a second motor; 5. a worm; 6. a worm gear; 7. a support frame; 8. a first motor; 9. a driving wheel; 10. a pulley; 11. a belt; 12. a driven wheel; 13. screening the plate; 14. a sloping plate; 15. a water spray pipe; 16. a baffle plate; 17. a transmission rod; 18. a jaw plate; 19. a drive shaft; 20. an arcuate bar; 21. a bent portion; 22. a crushing tank; 23. a crankshaft; 24. a rectangular frame; 25. a bump; 26. blocking strips; 27. opening the gap; 28. connecting blocks; 29. a mesh plate; 30. discharging teeth; 31. a limiting rod; 32. a housing; 33. a drain pipe; 34. a hydraulic cylinder; 35. a bearing seat; 36. blocking teeth; 37. a fixing plate; 38. a connecting plate; 39. a rectangular block; 40. a cross bar; 41. a circular ring; 42. and (4) an overflow pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to the attached drawings 1-16, a finishing machine for manufacturing building material concrete comprises a feed hopper 1 and a box body 2, wherein one side of the box body 2 is fixedly connected with the feed hopper 1 through a mounting opening, the lower end of the feed hopper 1 is fixedly connected with a support frame 7, a discharge opening is formed in the front side of the box body 2, a transmission shaft 19 is rotatably connected in the feed hopper 1 through a sealed bearing, a screening mechanism is arranged on the shaft wall of the transmission shaft 19 and used for screening large-particle stone materials, a jaw plate 18 is arranged on one side, located on the screening mechanism, in the feed hopper 1, and the jaw plate 18 is matched with the screening mechanism to crush the large-particle stone materials;

be equipped with casing 32 in box 2, casing 32 is cylindrical structure, casing 32's lateral wall is connected with row material mechanism, it is used for discharging the building stones after handling to arrange material mechanism, it also can stir the building stones in box 2 and wash simultaneously, the first motor 8 of one side fixedly connected with of feeder hopper 1, first motor 8's output fixedly connected with action wheel 9, action wheel 9 round trip has belt 11, and the round trip has from driving wheel 12 and band pulley 10 in the belt 11, from driving

wheel

12 and 19 fixed connection of transmission shaft be used for driving screening mechanism, band pulley 10 is connected with drive mechanism, the one end of jaw 18 is passed through the round pin hub connection and is in feeder hopper 1, the other end of jaw 18 is equipped with kink 21, and the lateral wall of kink 21 is equipped with broken groove 22, kink 21 on the jaw 18 links to each other with drive mechanism, the lower extreme fixedly connected with drain pipe 33 of box 2, the right side fixedly connected with overflow pipe 42 of box 2, a plurality of spray pipes 15 of one side fixedly connected with of feeder hopper 1.

When the aggregate cleaning device is used, the first motor 8 drives the driving wheel 9 to rotate the belt 11, the belt 11 drives the driven wheel 12 to operate, the driving shaft 19 operates to drive the screening mechanism to operate, aggregate is conveyed by the bolt feeding machine, the aggregate falls into the feeding hopper 1 and is screened by the screening mechanism, small-particle aggregate directly falls into the box body 2, large-particle aggregate is conveyed by the screening mechanism to be in contact with the jaw plate 18 and is crushed by the crushing groove 22 on the jaw plate 18, the crushed aggregate directly falls into the box body 2, meanwhile, a water source is conveyed from the water spraying pipe 15, water is directly sprayed on the aggregate in the feeding hopper 1, primary cleaning is realized, the cleaned water directly flows into the box body 2 to be in contact with the aggregate, the aggregate in the box body 2 is directly discharged from the discharging opening when the discharging mechanism operates, the aggregate can be cleaned in the box body 2 by stirring, and the cleaned water is discharged from the overflow pipe 42 after the aggregate rises to a certain height in the box body 2, so that crushing and cleaning treatment can be effectively carried out.

Example 2: the difference is based on example 1;

referring to fig. 2-7, the screening mechanism includes a screening plate 13, the screening plate 13 is an arc-shaped structure, one end of the screening plate 13 is fixedly connected to the inner wall of the feeding hopper 1, the other end of the screening plate 13 is uniformly provided with a plurality of discharge outlets, a plurality of groups of uniformly distributed material shifting teeth are fixedly connected to the shaft wall of the transmission shaft 19, and the material shifting teeth are composed of a plurality of uniformly distributed arc-shaped rods 20, wherein one group of material shifting teeth is located in the discharge outlets, a plurality of uniformly distributed barrier strips 26 are fixedly connected to the shaft wall of the transmission shaft 19, a plurality of uniformly distributed notches 27 are formed in the side wall of the barrier strips 26, a plurality of connecting blocks 28 are fixedly connected to one side of the barrier strips 26, the plurality of connecting blocks 28 are fixedly connected to the plurality of arc-shaped rods 20 of the material shifting teeth correspondingly, and protruding blocks 25 are fixedly connected to both sides opposite to the arc-shaped rods 20, one end of the transmission shaft 19 passes through a sealed bearing and is fixedly connected to the driven wheel 12 coaxially, an inclined plate 14 is fixedly connected to the feeding hopper 1, and one end of the inclined plate 14 extends to the upper part of the screening plate 13;

drive mechanism includes bent axle 23, a plurality of rectangle frames 24 have been cup jointed on bent axle 23's the axle wall, the common fixedly connected with baffle 16 in upper end of a plurality of rectangle frames 24, baffle 16 passes through the rotation axis and is connected with the inner wall rotation of feeder hopper 1, a plurality of discharge material passageway have been seted up to baffle 16's lateral wall, and discharge material passageway is the trapezium structure, baffle 16's upper end is connected with a plurality of evenly distributed's transfer line 17 through the pin rotation, the one end that baffle 16 was kept away from to a plurality of transfer lines 17 all rotates with kink 21 through the connecting axle and is connected, bent axle 23's one end is passed ball bearing and is connected with the inboard rotation of feeder hopper 1, bent axle 23's one end pass ball bearing and with one side fixed connection of band pulley 10.

According to the screening mechanism provided by the invention, when the transmission shaft 19 drives the plurality of material shifting teeth to do circular motion, the arc-shaped rods 20 of the plurality of material shifting teeth penetrate through the discharge hole to continuously support large-particle aggregates, so that the aggregates slide to one side of the barrier strip 26, and when the aggregates are shifted from bottom to top, the aggregates can be prevented from being stuck in the discharge hole, when the barrier strip 26 does circular motion along with the transmission shaft 19, the aggregates are pushed by the barrier strip 26 to be in contact with the crushing groove 22 on the bent part 21 of the jaw plate 18, so that the aggregates can be crushed, the crushed aggregates fall into the box body 2, when the first motor 8 drives the driving wheel 9 to rotate the belt 11, the belt 11 rotates the driving belt wheel 10 to rotate the crank shaft 23, the crank shaft 23 rotates to jack the rectangular frame 24 to swing the baffle plate 16, when the baffle plate 16 swings, the transmission rod 17 is driven to make the jaw plate 18 swing around the pin shaft under force, and the bent part 21 is close to the transmission shaft 19 when the jaw plate 18 swings, so that the crushing groove 22 on the bent part 21 actively cooperates with the barrier strip 26 to crush large-particle aggregates, and the baffle plate 16 can slide downwards to the box body 2 more quickly, thereby effectively processing large-particle aggregates in the production of concrete.

Example 3: the difference is based on example 1;

referring to fig. 8-15, the discharging mechanism includes a plurality of fixing plates 37, the even fixed connection of a plurality of fixing plates 37 is at the lateral wall of casing 32, a plurality of row of material teeth 30 of the lateral wall fixedly connected with of fixing plate 37, fixedly connected with arc-shaped structure's mesh plate 29 in the box 2, the one end fixedly connected with second motor 4 of box 2, the output fixedly connected with worm 5 of second motor 4, worm 5 meshes has worm wheel 6, one side of worm wheel 6 is with axle center fixedly connected with pivot, and the pivot is passed through bearing and is connected with one side rotation of box 2, the one end of pivot is passed bearing and with one side fixed connection of casing 32, be equipped with horizontal pole 40 in the casing 32, be equipped with adjustment mechanism on the pole wall of horizontal pole 40, fixedly connected with stock guide 3 in the row of box 2.

The adjusting mechanism comprises a plurality of connecting plates 38, the connecting plates 38 are respectively contacted with one sides of a plurality of fixing plates 37, one side of each connecting plate 38 is fixedly connected with a plurality of blocking teeth 36, the blocking teeth 36 are respectively contacted with one sides of a plurality of discharging teeth 30, one ends of the blocking teeth 36 far away from the connecting plates 38 are fixedly connected with a plurality of rectangular blocks 39, the shell 32 is respectively sleeved with the rectangular blocks 39 through a strip-shaped through hole, one end of each rectangular block 39 penetrates through the strip-shaped through hole and is fixedly connected with the rod wall of the corresponding transverse rod 40, one end of the shell 32 is sleeved with the rod wall of the corresponding transverse rod 40 through a round hole, two hydraulic cylinders 34 are fixedly connected with one side of the box 2, the output ends of the two hydraulic cylinders 34 are fixedly connected with the bearing seat 35 together, one end of the transverse rod 40 penetrates through the side wall of the box 2 and is rotatably connected with the bearing seat 35, two circular rings 41 are sleeved on the rod wall of the transverse rod 40, the two circular rings 41 are both fixedly connected with the inner side of the shell 32, one side of the blocking teeth 36 are provided with a limiting rod 31, and the rod wall of the limiting rod 31 is respectively fixedly connected with the discharging teeth 30 through a plurality of the fixing blocks.

When the discharging mechanism is used, the second motor 4 is started to drive the worm 5 to rotate the worm wheel 6, the worm wheel 6 rotates to drive the rotating shaft to rotate the shell 32, the shell 32 rotates to drive the fixing plates 37 to enable the discharging teeth 30 to do circular motion, the discharging teeth 30 stir aggregates on the mesh plate 29, the aggregates penetrate through gaps of the discharging teeth 30, impurities on the aggregates can be cleaned by water in the box body 2, when discharging is needed, the hydraulic cylinder 34 is started to drive the bearing seat 35 to move, the bearing seat 35 moves to drive the cross rod 40 to enable the rectangular block 39 to move, the rectangular block 39 moves to drive the connecting plate 38 to enable the blocking teeth 36 to move, and when the blocking teeth 36 move to positions between two adjacent discharging teeth 30, the aggregates can be blocked from passing through, and then the aggregates can be pushed to move to the discharging openings from the mesh plate 29, so that discharging can be performed quickly.

It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building materials concrete manufacture finish machining processing machinery, includes feeder hopper (1) and box (2), installing port and feeder hopper (1) fixed connection are passed through to one side of box (2), the lower extreme fixedly connected with support frame (7) of feeder hopper (1), the front side of box (2) is opened and is equipped with bin outlet, its characterized in that:

a transmission shaft (19) is rotatably connected in the feed hopper (1) through a sealed bearing, the shaft wall of the transmission shaft (19) is provided with a screening mechanism which is used for screening large-particle stones, the screening mechanism comprises a screening plate (13), the screening plate (13) is of an arc-shaped structure, one end of the screening plate (13) is fixedly connected with the inner wall of the feed hopper (1), a plurality of discharge ports are uniformly arranged at the other end of the screening plate (13), a plurality of groups of uniformly distributed material shifting teeth are fixedly connected on the shaft wall of the transmission shaft (19), and the material shifting teeth consist of a plurality of uniformly distributed arc-shaped rods (20), wherein one group of the material shifting teeth are positioned in the material discharging port, a plurality of baffle strips (26) which are uniformly distributed are fixedly connected on the shaft wall of the transmission shaft (19), one end of the transmission shaft (19) penetrates through the sealing bearing and is fixedly connected with the driven wheel (12) coaxially, an inclined plate (14) is fixedly connected in the feed hopper (1), one end of the inclined plate (14) extends to the upper part of the screening plate (13), the side wall of the barrier strip (26) is provided with a plurality of evenly distributed gaps (27), one side of the barrier strip (26) is fixedly connected with a plurality of connecting blocks (28), the connecting blocks (28) are correspondingly and fixedly connected with a plurality of arc-shaped rods (20) of the material shifting teeth, and the two opposite sides of the arc-shaped rod (20) are fixedly connected with convex blocks (25);

the screening machine is characterized in that a jaw plate (18) is arranged on one side, located on the screening mechanism, of the feeding hopper (1), the jaw plate (18) is matched with the screening mechanism to break large-particle stone materials, a first motor (8) is fixedly connected to one side of the feeding hopper (1), an output end of the first motor (8) is fixedly connected with a driving wheel (9), the driving wheel (9) is connected with a belt (11) in a winding mode, a driven wheel (12) and a belt wheel (10) are connected in the belt (11) in a winding mode, the driven wheel (12) is fixedly connected with a transmission shaft (19) and used for driving the screening mechanism, the belt wheel (10) is connected with a transmission mechanism, one end of the jaw plate (18) is rotatably connected into the feeding hopper (1) through a pin shaft, a bent portion (21) is arranged at the other end of the jaw plate (18), a breaking groove (22) is formed in the side wall of the bent portion (21), and the bent portion (21) on the jaw plate (18) is connected with the transmission mechanism;

the transmission mechanism comprises a crankshaft (23), a plurality of rectangular frames (24) are sleeved on the shaft wall of the crankshaft (23), the upper ends of the rectangular frames (24) are fixedly connected with a baffle (16) jointly, the baffle (16) is rotatably connected with the inner wall of the feed hopper (1) through a rotating shaft, a plurality of discharge channels are formed in the side wall of the baffle (16) and are in a trapezoid structure, the upper end of the baffle (16) is rotatably connected with a plurality of uniformly distributed transmission rods (17) through pins, one ends, far away from the baffle (16), of the transmission rods (17) are rotatably connected with bent portions (21) through connecting shafts, one end of the crankshaft (23) is rotatably connected with the inner side of the feed hopper (1) through a ball bearing, one end of the crankshaft (23) penetrates through the ball bearing and is fixedly connected with one side of a belt pulley (10), the lower end of the box body (2) is fixedly connected with a drain pipe (33), the right side of the box body (2) is fixedly connected with an overflow pipe (42), and one side of the feed hopper (1) is fixedly connected with a plurality of water spray pipes (15);

be equipped with casing (32) in box (2), casing (32) are cylindrical structure, the lateral wall of casing (32) is connected with row material mechanism, arrange the building stones that material mechanism is used for discharging after handling, arrange the building stones that material mechanism also can stir in box (2) simultaneously and wash.

2. A building material concrete manufacturing finishing machine as claimed in claim 1, wherein: the discharging mechanism comprises a plurality of fixing plates (37) which are fixedly connected to the side wall of a shell (32), the side wall of each fixing plate (37) is fixedly connected with a plurality of discharging teeth (30), the mesh plate (29) with an arc-shaped structure is fixedly connected to the inside of the box (2), one end of the box (2) is fixedly connected with a second motor (4), the output end of the second motor (4) is fixedly connected with a worm (5), the worm (5) is meshed with a worm wheel (6), one side of the worm wheel (6) is coaxially and fixedly connected with a rotating shaft, the rotating shaft is rotatably connected with one side of the box (2) through a needle bearing, one end of the rotating shaft penetrates through the needle bearing and is fixedly connected with one side of the shell (32), a cross rod (40) is arranged in the shell (32), an adjusting mechanism is arranged on the rod wall of the cross rod (40), and a material guide plate (3) is fixedly connected to the inside of a discharging port on the box (2).

3. A building material concrete producing finishing machine as defined in claim 2 wherein: adjustment mechanism includes a plurality of connecting plates (38), and is a plurality of connecting plate (38) contact with one side of a plurality of fixed plates (37) respectively, a plurality of fender teeth (36) of one side fixedly connected with of connecting plate (38), it is a plurality of fender tooth (36) contact with one side of a plurality of row material tooth (30) respectively, a plurality of rectangular blocks of one end fixedly connected with (39) of keeping away from fender tooth (36) are kept away from in connecting plate (38), casing (32) cup joint with a plurality of rectangular blocks (39) respectively through the bar through-hole, the one end of rectangular block (39) is passed the bar through-hole and is connected with the pole wall fixed connection of horizontal pole (40), the one end of casing (32) cup joints through the pole wall of round hole with horizontal pole (40), two pneumatic cylinder (34) of one side fixedly connected with of box (2), two the common fixedly connected with bearing frame (35) of output of pneumatic cylinder (34), the one end of horizontal pole (40) runs through the lateral wall of box (2) and rotates with bearing frame (35) and is connected.

4. A building material concrete producing finishing machine as defined in claim 3 wherein: two rings (41) are sleeved on the rod wall of the cross rod (40), two rings (41) are fixedly connected with the inner side of the shell (32), a plurality of limiting rods (31) are arranged on one sides of the blocking teeth (36), and the rod wall of each limiting rod (31) is fixedly connected with the plurality of discharging teeth (30) through a plurality of fixing blocks.