CN115338112A

CN115338112A - Material screening processing apparatus is used in construction

Info

Publication number: CN115338112A
Application number: CN202211277519.5A
Authority: CN
Inventors: 刘军宪
Original assignee: Nantong Tengge Construction Machinery Equipment Co ltd
Current assignee: Nantong Tengge Construction Machinery Equipment Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2022-11-15

Abstract

The invention relates to the field of crushing and screening equipment, in particular to a screening and processing device for construction materials, which comprises: the support frame, be provided with the motor on the support frame, the output of motor is connected with the drive plate, there is the transfer line drive plate bottom around drive plate center sliding connection, the bracing piece of horizontal direction sliding connection on the support frame is worn to establish by the transfer line, the bracing piece bottom is connected with through transmission structure and has got the removal axle with transfer line parallel arrangement, the removal axle is worn to establish in the long circular slot inslot of seting up on the baffle, four baffles enclose into a quadrangle, and slide and rotate the connection between the adjacent baffle, sliding connection is on the screening board that the baffle below set up after the lower extreme of removal axle worn out long circular slot mouth, this device can make four baffles remove to the quadrangle center of enclosing and crowd garrulous gravel, realize the breakage to gravel, constantly realize the slope of equidirectional constantly driving the screening board through the upper and lower continuous removal of transfer line, thereby improve the screening efficiency of screening board.

Description

Material screening processing apparatus is used in construction

Technical Field

The invention relates to the field of crushing and screening equipment, in particular to a construction material screening treatment device.

Background

In the construction process of buildings, the amount of sand and stones used is very large, and different buildings require different sizes of sand and stones, so that the sand and stones need to be screened.

In the conventional sand and stone screening, an inclined screen is usually placed on the ground, and sand and stone are raised by a shovel and then directly poured on the screen to realize simple screening of the sand and stone, so that the sand and stone screening by using a vibrating screen is proposed.

However, when the vibrating screen is used for screening, sand is mainly put on the vibrating screen, the vibrating screen is used for screening out the sand, stones and stones are left on the screen, much labor force can be relieved for manual work in the mode, the stones on the screen are always on the screen, when the materials are fed continuously, the stones enter a new sand pile again, repeated work is caused, the gravity load of the vibrating screen is increased continuously, and therefore the vibrating screen device is difficult to continuously separate the stones and the sand, continuous work is difficult to achieve, and screening efficiency is affected.

Therefore, it is required to provide a construction material screening treatment apparatus to solve the above problems.

Disclosure of Invention

The invention provides an intelligent screening treatment device capable of improving screening efficiency, and aims to solve the existing problems.

The screening treatment device for the construction materials adopts the following technical scheme:

the method comprises the following steps:

the top of the supporting frame is provided with a motor with a downward output end;

the transmission disc is obliquely arranged, the top of the transmission disc is connected to the output end of the motor through a connecting structure, and an annular sliding groove is formed in the bottom of the transmission disc around the center of the transmission disc;

the upper ends of the four transmission rods are connected with the annular sliding groove in a sliding and rotating mode through the connecting balls, a horizontally arranged supporting rod is arranged on the lower portion of each transmission rod, the transmission rods penetrate through a guide slot which is formed in the length direction of the supporting rods, one end portion of each two supporting rods is arranged oppositely, and the other end of each supporting rod is connected to a supporting component arranged on the supporting frame in a sliding mode along the length direction of the supporting rod;

the sliding block is arranged on the transmission rod above the supporting rod in a penetrating mode, is connected with the side face of the supporting rod in a sliding mode, and is provided with a ratchet mechanism between the bottom of the sliding block and the top of the supporting rod;

the screening plate is arranged below the supporting rod, a plurality of screening holes are formed in the screening plate, four baffles are arranged on the screening plate, every two adjacent baffles in the four baffles slide and are rotatably connected to form a quadrangle, a long circular slot opening is formed in the length direction of the baffle, a vertically arranged moving shaft penetrates through the long circular slot opening, the lower end of the moving shaft is slidably connected into a guide sliding groove formed in the screening plate, one end of each of the four guide sliding grooves is communicated and is uniformly distributed around the center of the screening plate, and a transmission structure is connected between the lower end of the moving shaft and the bottom of the supporting rod;

the motor drives the transmission disc to rotate, the transmission rods slide along the annular sliding groove, two opposite transmission rods are close to or far away from each other when moving up and down at the same time, when the two transmission rods are close to each other, the transmission rods drive the two oppositely arranged support rods to be close to each other through the ratchet mechanism, the support rods drive the screening plate to incline through the transmission structure, the moving shaft is driven to move along the long circular slot opening, the four baffles are enabled to be close to the center of the quadrangle, and when the two transmission rods are far away from each other, the two transmission rods move towards the direction of departing from each other along the guide slot opening of the support rods.

Preferably, transmission structure includes that vertical wearing to establish four bracing pieces are close to the slide bar of one end mutually, and the lower tip of slide bar is connected on the connecting plate that the level set up, the lower tip sliding connection of connecting plate and bracing piece, and the bottom of connecting plate is connected with universal ball through the connecting rod, and universal ball sliding connection is in the direction spout, and universal ball rotates with the lower tip of removal axle through the push rod that slides the setting at the direction spout to be connected.

Preferably, still including adjusting the structure, it is including the carousel of connecting the output at the motor, the bottom of carousel is connected with the pivot through the support rotation, the pivot is worn to establish in proper order in the long circular slot of seting up on two engaging lugs that the equipartition set up on the driving disc, the direction of seting up of long circular slot is perpendicular with the driving disc, be provided with the driving rack at its inner wall along long circular slot length direction, the fixed first gear engagement of suit in driving rack and the pivot, the tip suit of pivot is provided with the second gear, the second gear meshes with the tooth arc, the tooth arc sets up the ring body top of erectting on the support frame.

Preferably, the equipartition is provided with two extending structure between driving disc and the carousel, and extending structure includes that the bottom articulates the sleeve on the driving disc, and the sleeve endotheca is equipped with the movable rod, and the top of movable rod and the bottom of carousel are connected.

Preferably, the ratchet mechanism comprises ratchet teeth arranged at the bottom of the sliding block and a first ratchet bar arranged at the top of the supporting rod, the first ratchet bar is meshed with the ratchet teeth, and teeth of the ratchet bar face to one end, away from the four supporting rods, of the supporting rod.

Preferably, the supporting component comprises a quadrangular fixing frame horizontally erected on the supporting frame, four surfaces of the fixing frame are respectively provided with a guide hole penetrating through the corresponding supporting rod, and the guide holes on every two opposite surfaces of the fixing frame are concentrically arranged.

Preferably, a movable plate is arranged in the guide hole, a second pawl is arranged on one surface of the movable plate facing the support rod, the second pawl is meshed with a second ratchet rack arranged on the side surface of the support rod, and one side of the movable plate departing from the second pawl is connected with the inner wall of the guide hole through a spring.

Preferably, one end of each baffle is provided with a hinged shaft arranged in the vertical direction, one surface of each baffle, facing the center of the quadrangle, is provided with a sliding groove along the length direction, the hinged shaft of each baffle is connected with the sliding groove of the adjacent baffle in a sliding and rotating manner, and the sliding groove of each baffle is connected with the hinged shaft of the adjacent baffle in a sliding and rotating manner.

Preferably, the inner bottom surface of the guide chute is uniformly provided with a plurality of blanking holes for preventing sand from blocking the guide chute.

The invention has the beneficial effects that: the invention provides a construction material screening processing device, which drives a transmission disc to rotate through a motor, wherein transmission rods slide along an annular sliding groove of the transmission disc, two opposite transmission rods move up and down and are close to or away from each other, when the two transmission rods are close to each other, the transmission rods drive two oppositely arranged support rods to close through a ratchet mechanism, meanwhile, a screening plate is driven to incline through a transmission structure, a moving shaft is driven to move along a long circular slot opening, four baffles are enabled to approach towards the center of a quadrangle, and unseparated gravel and sand between the baffles are squeezed and crushed, so that the gravel and sand are crushed, and further, when the gravel and sand are screened, the screening plate is driven to shake through the up and down movement of the transmission rods, so that the gravel and sand are screened from Kong Shaichu, thereby improving the screening efficiency, namely, the gravel and sand crushing are combined with the shaking screening direction, and the screening efficiency is further improved.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view showing the overall structure of an embodiment of a construction material sieving apparatus according to the present invention;

FIG. 2 is a schematic view of the support frame of FIG. 1 with the support frame removed;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is the state diagram A of FIG. 2;

FIG. 5 is a state diagram B of FIG. 2;

FIG. 6 is state diagram C of FIG. 2;

FIG. 7 is a state diagram D of FIG. 2;

FIG. 8 is an assembly view of the screening plate, baffle, drive structure, support bar and drive bar of FIG. 2;

FIG. 9 is a schematic view of the structure of a single baffle, transmission structure, support rod and transmission rod of FIG. 8;

FIG. 10 is an exploded view of FIG. 9;

FIG. 11 is a schematic view of the baffle of FIG. 8;

FIG. 12 is a schematic structural view of the support assembly of FIG. 2;

FIG. 13 is a schematic structural view of the drive plate of FIG. 2;

FIG. 14 is a schematic view of a portion of the support frame of FIG. 1;

fig. 15 is a schematic structural view of the stand and the turntable in fig. 2.

In the figure: 1. a motor; 2. a support frame; 3. a turntable; 4. a rotating shaft; 5. a tooth arc; 6. a fixing frame; 7. a screening plate; 8. a collection frame; 9. a base plate; 10. connecting holes; 11. a movable rod; 12. a sleeve; 13. a drive plate; 14. a transmission rod; 15. a slider; 16. a support bar; 17. a connecting plate; 18. a push rod; 19. a baffle plate; 20. a movable shaft; 21. a long circular groove; 22. a guide chute; 23. a guide slot opening; 24. a sliding groove; 25. a slide bar; 26. a universal ball; 27. a long circular slot; 28. a chute; 29. a moving block; 30. a telescopic sleeve; 31. hinging shafts; 32. a guide hole; 33. a movable plate; 34. a spring; 35. an annular chute; 36. an annular slider; 37. a moving groove; 38. mounting holes; 39. an annular groove; 40. and fixing the shaft.

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.

An embodiment of a construction material screening apparatus according to the present invention, as shown in fig. 1, includes: the support frame 2, specifically, as shown in fig. 14, the support frame 2 includes a plurality of vertically arranged support legs, a bottom plate 9 is arranged between the support legs, a collecting frame 8 is arranged on the bottom plate 9, a motor 1 with an output end facing downward is arranged at the top of the support frame 2, the output end of the motor 1 is connected with a transmission disc 13 which is obliquely arranged, as shown in fig. 13, an annular chute 35 is arranged at the bottom of the transmission disc 13 around the center of the transmission disc 13, as shown in fig. 3, 4 and 5, four transmission rods 14 which are uniformly distributed are slidably and rotatably connected in the annular chute 35, connecting balls which are slidably connected with the annular chute 35 are arranged at the upper ends of the four transmission rods 14, as shown in fig. 8 and 9, a horizontally arranged support rod 16 is arranged on each transmission rod 14, the transmission rods 14 are arranged in guide slots 23 which are arranged along the length direction of the support rods 16, one end of each two support rods 16 is arranged oppositely, and the other end of the support rod 16 is slidably connected to a support assembly arranged on the support frame 2 along the length direction; a slide block 15 penetrates through the transmission rod 14 above the support rod 16, the slide block 15 is in sliding connection with the side surface of the support rod 16, specifically, a connecting plate is arranged on the side surface of the slide block 15, the connecting plate is in sliding connection with the side surface of the support rod 16 through a slide rail sliding groove or a slide block sliding groove structure, the sliding groove is specifically a sliding groove 24 in fig. 8 and 9, the sliding groove is formed along the length direction of the support rod 16, and a ratchet mechanism is arranged between the bottom of the slide block 15 and the top of the support rod 16; specifically, the ratchet mechanism comprises ratchets arranged at the bottom of the sliding block 15 and a first ratchet bar arranged at the top of the support rod 16, the first ratchet bar is meshed with the ratchets, teeth of the ratchet bar face to one end, away from the four support rods 16, of the end, away from the support rod 16, of the end, below the support rod 16, a screening plate 7 is arranged, a plurality of screening holes are formed in the screening plate 7, as shown in fig. 8, four baffles 19 are arranged on the screening plate 7, every two adjacent baffles 19 in the four baffles 19 are connected in a sliding mode to form a quadrangle, a long circular slit 27 is formed in the length direction of each baffle, a vertically arranged moving shaft 20 penetrates through the long circular slit 27, the lower end of the moving shaft 20 is connected in a guide sliding chute 22 formed in the screening plate 7, one end of the four guide chutes 22 is communicated and is uniformly distributed around the center of the screening plate 7, and a transmission structure is connected between the lower end of the moving shaft 20 and the bottom of the support rod 16; as shown in fig. 4, 5, 6 and 7, when the motor 1 drives the driving disc 13 to rotate, the driving rods 14 slide along the annular sliding groove 35, so that two opposite driving rods 14 move close to or away from each other when moving up and down at the same time, when the two driving rods 14 move close to each other, the driving rods 14 drive the two oppositely arranged supporting rods 16 to close to each other through the ratchet mechanism, the supporting rods 16 drive the sieving plate 7 to incline through the driving structure, and drive the moving shaft 20 to move along the long circular slot 27 through the driving structure, so that the four baffles 19 move close to the center of the quadrangle, and when the two driving rods 14 move away from each other, the two driving rods 14 move along the guide slot 23 of the supporting rods 16 in the direction of departing from each other.

Wherein, the transmission structure includes that vertical wear to establish at the slide bar 25 that four bracing pieces 16 are close to one end mutually, it is concrete, as shown in fig. 10, be provided with the telescopic sleeve 30 of vertical setting on the bracing piece 16, slide bar 25 wears to establish in telescopic sleeve 30, the lower tip of slide bar 25 is connected on the connecting plate 17 that the level set up, the lower tip sliding connection of connecting plate 17 and bracing piece 16, the bottom of connecting plate 17 is connected with universal ball 26 through the connecting rod, universal ball 26 sliding connection is in direction spout 22, universal ball 26 rotates through the lower tip that slides and is set up at push rod 18 and the removal axle 20 of direction spout 22 and is connected, it is concrete, as shown in fig. 10, the lower extreme of removal axle 20 is provided with movable block 29, movable block 29 sliding connection is in direction spout 22.

Wherein, the equipartition is provided with two extending structure between drive plate 13 and the carousel 3, and extending structure includes that the bottom articulates sleeve 12 on drive plate 13, and sleeve 12 endotheca is equipped with movable rod 11, and the top of movable rod 11 and the bottom of carousel 3 are connected.

Wherein, as shown in fig. 12, the support assembly includes a quadrilateral fixing frame 6 horizontally erected on the support frame 2, specifically, as shown in fig. 14, four reinforcing ribs are arranged between the support legs above the collecting frame 8 of the support frame 2, fixing shafts 40 are arranged at the bottoms of the reinforcing ribs, the fixing shafts 40 are connected with the top of the fixing frame 6, guide holes 32 penetrating the corresponding support rods 16 are respectively formed on four surfaces of the fixing frame 6, and the guide holes 32 on every two opposite surfaces of the fixing frame 6 are concentrically formed, wherein a movable plate 33 is arranged in the guide holes 32, one surface of the movable plate 33 facing the support rods 16 is provided with a second ratchet, the second ratchet is engaged with a second ratchet rack arranged on the side surface of the support rods 16, and one side of the movable plate 33 departing from the second ratchet is connected with the inner walls of the guide holes 32 through springs 34.

Specifically, as shown in fig. 11, one end of each of the baffles 19 is provided with a hinge shaft 31 arranged in a vertical direction, one surface of each baffle 19 facing the center of the quadrilateral shape is provided with a sliding groove 28 along the length direction thereof, the hinge shaft 31 of each baffle 19 is slidably and rotatably connected with the sliding groove 28 of the adjacent baffle 19, and the sliding groove 28 of each baffle 19 is slidably and rotatably connected with the hinge shaft 31 of the adjacent baffle 19.

Specifically, as shown in fig. 13 and fig. 15, in order to make the shaking effect under the driving of the transmission rod 14 of the sieving plate 7 better, the shaking device further comprises an adjusting structure, which comprises a rotating disk 3 connected to the output end of the motor 1, specifically, as shown in fig. 2, a connecting hole 10 connected with the output end of the motor 1 is formed on the rotating disk 3, the bottom of the rotating disk 3 is rotatably connected with a rotating shaft 4 through a bracket, specifically, as shown in fig. 15, the bracket comprises a rotating ring, an annular groove 39 is formed at the bottom of the rotating ring, the top of the rotating ring is connected with the rotating disk 3 through a fixing plate, a mounting hole 38 penetrating through the rotating shaft 4 is formed on the fixing plate, the rotating shaft 4 sequentially penetrates through long circular grooves 21 formed on two connecting lugs uniformly distributed on the transmission disk 13, the direction of the long circular grooves 21 is perpendicular to the transmission disk 13, a transmission rack is arranged on the inner wall of the long circular grooves 21 along the length direction, the transmission rack is meshed with a first gear which is fixedly sleeved on the rotating shaft 4, the end of the rotating shaft 4 penetrates through the mounting hole 38 and then is sleeved with a second gear, a ring body is erected on the support frame 2, a section of tooth arc 5 is arranged at the top of the ring body, the second gear can be meshed with the tooth arc 5, concretely, as shown in fig. 1 and 14, the ring body is connected between the support legs above the collecting frame 8 through reinforcing ribs, an annular sliding block 36 is arranged on the inner wall of the ring body, the annular sliding block 36 is in sliding connection with an annular groove 39, a bottom plate can be arranged at the bottom of the ring body, a moving groove 37 for moving the transmission rod 14 is formed in the bottom plate, concretely, as shown in fig. 4, a connecting line between two transmission rods 14 which are arranged oppositely is parallel to the axis of the rotating shaft 4, and a connecting line between the other two transmission rods 14 which are arranged oppositely is perpendicular to the axis of the rotating shaft 4.

In order to prevent sand from entering the guide chute 22 of the screening plate in the screening process, the guide chute 22 is blocked, so that the movement of the universal ball in the guide chute 22 is influenced, and a plurality of blanking holes for preventing the sand from blocking the guide chute are uniformly distributed on the inner bottom surface of the guide chute 22.

Specific working principle

In use, in an initial state as shown in fig. 1, the motor 1 is started, the motor 1 drives the rotary disc 3 to rotate counterclockwise, the rotary disc 3 drives the transmission disc 13 to rotate counterclockwise through the bracket, as shown in fig. 3, in the initial state, wherein the heights of the uppermost ends of the two opposite transmission rods 14 are different, and the distances from the rotation centers of the two opposite transmission rods 14 are also different, and are respectively maximum and minimum, the transmission disc 13 rotates counterclockwise by 90 degrees, so that the transmission rods 14 slide along the annular chute 35 of the transmission disc 13, because the transmission disc 13 is obliquely arranged, as shown in fig. 4, when the transmission disc 13 rotates, the two opposite transmission rods 14 rotate from the lower side of the rotating shaft 4 to the lowest point of the annular chute 35 at the highest point on the transmission disc 13, and when the transmission disc 13 slides, the rotation of the transmission disc 13 moves one transmission rod 14 downward, the other transmission rod 14 moves upward, and in the process that the two opposite transmission rods 14 move upward or downward, and meanwhile, the transmission rod 14 moves towards the rotation center, in the process of moving towards the rotation center, the sliding block 15 on the transmission rod 14 slides, and the pawl at the bottom of the sliding block 15 is meshed with the ratchet rack on the support rod 16 to form a limiting structure, so that the support rod 16 is driven to move towards the rotation center, in the process of moving towards the rotation center, the transmission structure drives the moving shaft 20 to move along the long circular slot 27 on the baffle plate 19, specifically, the support rod 16 moves towards the rotation center, the sliding rod 25 and the connecting plate 17 of the transmission structure are driven to move towards the rotation center, so that the connecting plate 17 drives the push rod 18 to move towards the center of the screening plate 7 along the guide sliding slot 22 on the screening plate 7, and further, the push rod 18 drives the moving shaft 20 to move along the long circular slot 27 on the corresponding baffle plate 19 to drive the baffle plate 19 to slide and rotate on the sliding slot 28 on the adjacent baffle plate 19, make two corresponding baffles 19 be close to, crowd the bits of broken glass to the gravel and sand that is not sieved between the baffle 19 for crowded garrulous gravel and sand falls into in the collection frame 8 of below from the screening hole, thereby accomplish the screening to gravel and sand, this in-process is because four transfer lines 14 are reciprocating always, thereby can make the carriage release lever in the in-process that reciprocates drive sieve plate 7 realize one with the process of the synchronous slope of driving plate 3, thereby improve the screening effect to gravel and sand.

Meanwhile, the other two opposite transmission rods 14 will move from the lowest point and the highest point of the annular sliding chute 35 to the position of the annular sliding chute 35 below the rotating shaft 4, in the process, one transmission rod 14 moves upwards, the other transmission rod 14 moves downwards, and in the processes of moving upwards and downwards, the two transmission rods 14 will also move in the direction away from the rotating center at the same time, when the two transmission rods 14 move in the direction away from the rotating center, the slider 15 moves along the transmission rod 14, and due to the ratchet mechanism arranged between the bottom of the slider 15 and the support rod 16, when the two transmission rods 14 also move in the direction away from the rotating center at the same time, the ratchet rack of the ratchet mechanism does not limit the pawl on the slider 15, so the slider 15 can slide along the sliding groove 24, and the transmission rod 14 slides along the guide slot 23 on the support rod 16, that is, in the process, the support rod 16 does not move.

Wherein, when the rotating disc 3 rotates, the rotating disc 3 drives the bracket to rotate, and at the same time, the rotating shaft 4 rotatably arranged on the bracket rotates along with the bracket, when the rotating shaft 4 rotates along with the bracket for a period, the second gear at the end of the rotating shaft 4 is meshed with the tooth arc 5 at the top of the ring body once, so as to drive the rotating shaft 4 to rotate, and the rotation of the rotating shaft 4 can drive the transmission disc 13 to move, as shown in fig. 6, the first gear on the rotating shaft 4 is meshed with the transmission rack to drive the transmission disc 13 to move, so that the distance from the transmission rod 14 at the highest point of the rotation disc 13 to the rotation center of the rotating disc 3 is reduced, the distance from the transmission rod 14 at the lowest point of the rotation disc 13 to the rotation center of the rotating disc 3 is increased, so that the distance from the transmission rod 14 to the rotation center is further reduced, at this time, the distances from the two transmission rods 14 to the rotation center are still not equal, and at the same time, the distances from the other two opposite transmission rods 14 to the rotation center are reduced, in the state shown in fig. 6, the distance between the two opposite transmission rods 14 located at the highest point and the lowest point of the rotating disc 13 and the rotation center is smaller than the distance between the other two opposite transmission rods 14 and the rotation center, at this time, when the rotating disc 3 rotates 90 degrees to make the two opposite transmission rods 14 rotate from the lower side of the rotating shaft 4 to the lowest point and the highest point of the annular sliding groove 35 on the transmission disc 13, the rotation of the transmission disc 13 makes one of the transmission rods 14 move downwards, the other transmission rod 14 moves upwards, and during the process of moving the two opposite transmission rods 14 upwards or downwards, the transmission rods 14 also move towards the rotation center, during the process of moving the transmission rods 14 towards the rotation center, the sliders 15 thereon slide on the transmission rods 14, and the pawls at the bottoms of the sliders 15 are engaged with the ratchet racks on the support rods 16 to form a limit structure, thereby driving the support rods 16 to move towards the rotation center, in the process that the supporting rod 16 moves to the rotation center, the moving shaft 20 is driven to move along the long circular groove seam 27 on the baffle 19 through the transmission structure, namely, the sliding rod 25 and the connecting plate 17 move to the rotation center, so that the connecting plate 17 pushes the universal ball 26 on the connecting plate 17 to move in the guide sliding groove 22, and further pushes the push rod 18 to move, the push rod 18 drives the moving shaft 20 to move, the moving shaft 20 moves and rotates the baffle 19, the quadrangle formed by the baffle 19 deforms and contracts until the contraction is minimum, unqualified gravel gathered at the center is crushed by squeezing, the screening holes of the screening plate 7 fall into the collecting frame 8, and the screening efficiency is improved while the screening effect is improved.

It should be noted that, when the supporting rod 16 is reset, the movable plate 33 is manually pressed to compress the spring 34, so that the second pawl on the movable plate 33 is separated from the second ratchet rack on the side of the supporting rod 16, and then the supporting rod 16 is moved to reset the supporting rod 16.

In summary, according to the screening processing apparatus for construction materials provided by the embodiments of the present invention, the motor drives the transmission disc to rotate, the transmission rods slide along the annular sliding groove of the transmission disc, wherein the two opposite transmission rods move up and down while approaching or separating from each other, when the two transmission rods approach each other, the transmission rods drive the two oppositely disposed support rods to approach each other through the ratchet mechanism, and simultaneously drive the screening plate to incline through the transmission structure, and simultaneously drive the moving shaft to move along the long circular slot, so that the four baffles move toward the center of the quadrangle to crush the non-screened sand and stone between the baffles, thereby realizing the crushing of sand and stone, and further when the sand and stone are screened, the up and down movement of the transmission rods drives the screening plate to realize the shaking of the screening plate, so as to screen the sand and stone from Kong Shaichu, thereby improving the screening efficiency, i.e., the combination of the crushing and shaking of the sand and stone is utilized, thereby improving the screening efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A construction material screening processing apparatus, comprising:

the top of the transmission disc is connected to the output end of the motor through a connecting structure, and an annular sliding groove is formed in the bottom of the transmission disc around the center of the transmission disc;

the upper ends of the four transmission rods are connected with the annular sliding groove in a sliding and rotating mode through connecting balls, a horizontally arranged supporting rod is arranged at the lower portion of each transmission rod, the transmission rods penetrate through a guide slot opening formed in the length direction of the supporting rods, one end portion of each two supporting rods is arranged oppositely, and the other end of each supporting rod is connected to a supporting component arranged on the supporting frame in a sliding mode in the length direction of the supporting rod;

2. The material screening processing device for construction according to claim 1, wherein the transmission structure comprises a sliding rod vertically penetrating through one end of four support rods adjacent to each other, the lower end of the sliding rod is connected to a horizontally arranged connecting plate, the connecting plate is connected with the lower end of the support rod in a sliding manner, the bottom of the connecting plate is connected with a universal ball through a connecting rod, the universal ball is connected in a guide sliding groove in a sliding manner, and the universal ball is rotatably connected with the lower end of the moving shaft through a push rod slidably arranged in the guide sliding groove.

3. The screening and processing device for the construction materials according to claim 1, further comprising an adjusting structure, wherein the adjusting structure comprises a rotary disc connected to the output end of the motor, the bottom of the rotary disc is rotatably connected with a rotating shaft through a support, the rotating shaft sequentially penetrates through long circular grooves formed in two connecting lugs uniformly distributed on the transmission disc, the long circular grooves are perpendicular to the transmission disc in the forming direction, a transmission rack is arranged on the inner wall of each long circular groove along the length direction of the long circular groove, the transmission rack is meshed with a first gear fixed on the rotating shaft in a sleeved mode, a second gear is arranged on the end portion of the rotating shaft in a sleeved mode and meshed with a tooth arc, and the tooth arc is arranged at the top of a ring body erected on the support frame.

4. The material screening processing device for construction according to claim 3, wherein two telescopic structures are uniformly distributed between the transmission disc and the rotary disc, each telescopic structure comprises a sleeve with the bottom hinged on the transmission disc, a movable rod is sleeved in each sleeve, and the top of each movable rod is connected with the bottom of the rotary disc.

5. The construction material screening processing apparatus according to claim 1, wherein the ratchet mechanism includes ratchet teeth provided at a bottom of the slider and a first ratchet bar provided at a top of the support bar, the first ratchet bar being engaged with the ratchet teeth, teeth of the ratchet bar facing toward an end of the four support bars facing away from each other.

6. The screening processing device for construction materials according to claim 1, wherein the support assembly comprises a quadrangular fixing frame horizontally erected on the support frame, four faces of the fixing frame are respectively provided with a guide hole for penetrating the corresponding support rod, and the guide holes on every two opposite faces of the fixing frame are concentrically arranged.

7. The construction material screening treatment apparatus as claimed in claim 6, wherein a movable plate is provided in the guide hole, a second pawl is provided on a side of the movable plate facing the support rod, the second pawl is engaged with a second ratchet bar provided on a side of the support rod, and a side of the movable plate facing away from the second pawl is connected to an inner wall of the guide hole by a spring.

8. The material screening processing device for construction according to claim 1, wherein one end of the baffle is provided with a hinge shaft arranged in a vertical direction, one side of the baffle facing the center of the quadrangle is provided with a sliding groove along a length direction thereof, the hinge shaft of the baffle is slidably and rotatably connected with the sliding groove of the adjacent baffle, and the sliding groove of the baffle is slidably and rotatably connected with the hinge shaft of the adjacent baffle.

9. The screening and processing device for construction materials according to claim 1, wherein a plurality of blanking holes for preventing sand from blocking the guide chute are uniformly distributed on the inner bottom surface of the guide chute.