A construction waste crushing and screening device

Abstract

The present invention relates to a construction waste crushing and screening device, comprising a support frame, a screening component and a crushing frame, wherein the screening component is fixedly installed on the upper end of the support frame, the screening component is in a rectangular structure, a feed port is arranged on the upper end of the screening component, and a crushing frame is installed on the feed port. The present invention can solve the problems that the existing equipment has poor screening effect when screening construction waste, the construction waste cannot fully contact the screen, so that the construction waste is easy to accumulate, affecting the filtering effect of the construction waste, and at the same time, when the existing equipment is screening construction waste, large particles of construction waste are usually easy to be blocked, and the screen cannot be effectively unblocked, affecting the screening efficiency of the waste.

Description

Technical Field

[0001] The invention relates to the field of construction, and in particular to a device for crushing and screening construction waste. Background Art

[0002] Construction waste refers to the slag, abandoned soil, abandoned materials, residual mud and other waste generated in the process of building various buildings; these construction wastes are of no help to the building itself, but they are materials generated in the process of construction, so they need to be treated accordingly, so as to achieve the ideal construction of the project. Some construction wastes are large in size and need to be crushed before transportation. The construction waste is crushed into small particles, which can facilitate the subsequent use of the construction waste.

[0003] At present, the existing construction waste usually has the following defects when it is crushed and screened: 1. When the existing equipment is used to screen the construction waste, the screening effect is poor, and the construction waste cannot fully contact the screen, which makes the construction waste easy to accumulate, affecting the filtering effect of the construction waste; 2. When the existing equipment is used to screen the construction waste, large particles of construction waste are usually prone to clogging, and the screen cannot be effectively cleared, affecting the screening efficiency of the waste. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] The present invention can solve the problems that when existing equipment is used to screen construction waste, the screening effect is poor, the construction waste cannot fully contact the screen, so that the construction waste is easily accumulated, affecting the filtering effect of the construction waste; at the same time, when existing equipment is used to screen construction waste, large particles of construction waste are usually easily blocked, and the screen cannot be effectively unblocked, affecting the screening efficiency of the waste, etc.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a construction waste crushing and screening device, including a support frame, a screening assembly and a crushing frame, the screening assembly is fixedly installed on the upper end of the support frame, the screening assembly is a rectangular structure, a feed port is provided on the upper end of the screening assembly, and a crushing frame is installed on the feed port.

[0008] The screening assembly includes a shell frame, a driving unit, a screening unit, a rotating frame and a material baffle plate. The shell frame is a rectangular hollow structure. The driving unit is installed inside the shell frame. The screening units are evenly arranged inside the shell frame. A rotating frame is installed at the lower end of the screening unit. The rotating frame is fixedly installed on the driving unit. The material baffle plate is symmetrically arranged on the driving unit by sliding fit, and the upper end of the material baffle plate is installed on the inner wall of the shell frame through a pin shaft.

[0009] The screening unit includes a slide frame, a connecting frame, a screening mechanism, a cleaning frame and a reciprocating unit. There are two slide frames, and the slide frame is provided with a sliding groove, which is connected to the material baffle plate. A connecting frame is installed between the slide frames, and grooves are evenly arranged on the connecting frame. The screening mechanism is installed in the grooves. Cleaning frames are evenly arranged under the screening mechanism, and the cleaning frames are installed on the slide frame by screws. A reciprocating unit is arranged in the middle of the lower end of the slide frame, and the upper end of the reciprocating unit is in close contact with the screening mechanism.

[0010] The screening mechanism includes a screening frame, a screen, a sliding rod and a telescopic spring. The sliding rods are evenly installed on the outside of the groove, and the telescopic spring is arranged on the sliding rod. The screening frame is connected with the sliding rods by sliding cooperation. The screening frame is a rectangular frame structure. The screen is detachably installed in the middle of the screening frame, and the screen is evenly provided with mesh holes.

[0011] The reciprocating unit includes a rotating rod, a cam frame, a rotating gear and an arc groove. The rotating rod is evenly installed on the slide groove frame through a bearing, the cam frame is fixedly installed on the rotating rod, and a rotating gear is installed on the end of the rotating rod. Arc grooves are evenly arranged on the inner wall of the shell frame, the rotating gear is located in the arc groove, and rack plates that cooperate with the rotating gear are evenly arranged on the inner wall of the arc groove.

[0012] As a preferred technical solution of the present invention, the crushing frame includes a feed frame, a guide frame and a crushing roller. The feed frame is installed on the upper end of the shell frame, the guide frame is symmetrically arranged on the upper end of the feed frame, and the crushing roller is symmetrically installed on the lower end of the feed frame through a pin shaft. The two crushing rollers rotate in the same direction, and the outer end of the crushing roller is connected to the motor.

[0013] As a preferred technical solution of the present invention, the driving unit includes a driving motor, a rotating shaft, a connecting wheel and a synchronous belt. The rotating shaft is evenly installed inside the shell frame through bearings, the driving motor is installed at the front end of the shell frame through a motor seat, the output shaft of the driving motor is connected to the rotating shaft, the connecting wheel is installed at the rear end of the rotating shaft, and a synchronous belt is installed between adjacent connecting wheels.

[0014] As a preferred technical solution of the present invention, the material baffle plate includes a sliding frame and a baffle. The sliding frame is connected to the inside of the sliding groove by sliding cooperation. The baffle is installed on the upper end of the sliding frame through a pin shaft, and the upper end of the baffle is connected to the inner wall of the shell frame through a pin shaft.

[0015] As a preferred technical solution of the present invention, the cleaning frame includes a connecting frame and a ejector pin. The connecting frame is in a U-shaped structure. The connecting frame is installed between two slide trough frames by screws. Ejectors are evenly installed on the connecting frame by screws. The ejectors are made of stainless steel and are plugged into the screening mechanism.

[0016] As a preferred technical solution of the present invention, sealing plates are evenly arranged on the outer side of the slide frame, and bristles are evenly arranged on the outer side of the sealing plate. The bristles are made of flexible material and are tightly attached to the inner wall of the shell frame, so that the sealing plate can play a sealing role.

[0017] As a preferred technical solution of the present invention, the sliding frame is in a U-shaped structure, and a scraper is arranged inside the sliding frame. The scraper is made of flexible rubber material, and the scraper can seal the gap between the sliding frame and the screening mechanism.

[0018] (III) Beneficial effects

[0019] 1. The construction waste crushing and screening device provided by the present invention has a driving unit that can effectively drive the screening unit to swing back and forth, so that the construction waste on the screening unit can fully contact the screen, thereby improving the screening effect of the screen and preventing the construction waste from piling up;

[0020] 2. The construction waste crushing and screening device provided by the present invention has a screening mechanism, a cleaning frame and a reciprocating unit inside the screening unit that cooperate with each other. The reciprocating unit can drive the screening mechanism to reciprocate up and down, and the cleaning frame can dredge the screening mechanism, so that the cleaning frame can fully dredge the screening mechanism to prevent large particles of construction waste from being blocked, thereby ensuring the screening efficiency of the construction waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the planar structure of the present invention;

[0024] Figure 3 It is a cross-sectional structural schematic diagram of the present invention;

[0025] Figure 4 It is a schematic diagram of the cross-sectional structure between the housing frame, the driving unit and the screening unit of the present invention;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure between the driving unit, the screening unit and the rotating frame of the present invention;

[0027] Figure 6 The present invention Figure 5 A schematic cross-sectional structure diagram of ;

[0028] Figure 7 The present invention Figure 6 Schematic diagram of the cross-sectional structure at point M in the figure. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0030] like Figures 1 to 7 As shown, a construction waste crushing and screening device includes a support frame 1, a screening component 2 and a crushing frame 3. The screening component 2 is fixedly installed on the upper end of the support frame 1. The screening component 2 is a rectangular structure. A feed port is provided on the upper end of the screening component 2, and the crushing frame 3 is installed on the feed port.

[0031] The screening assembly 2 comprises a shell frame 21, a driving unit 22, a screening unit 23, a rotating frame 24 and a material baffle plate 25. The shell frame 21 is a rectangular hollow structure. The driving unit 22 is installed inside the shell frame 21. The screening units 23 are evenly arranged inside the shell frame 21. The lower end of the screening unit 23 is installed with a rotating frame 24, and the rotating frame 24 is fixedly installed on the driving unit 22. The driving unit 22 is symmetrically provided with material baffle plates 25 by sliding cooperation. The upper end of the material baffle plate 25 is installed on the inner wall of the shell frame 21 through a pin shaft. During specific work, the construction waste to be processed is manually fed into the crushing frame 3, and the crushing frame 3 can evenly crush the construction waste. The crushed waste falls into the upper end of the screening unit 23 through the feed port. The driving unit 22 can drive the screening unit 23 to swing back and forth, so that the crushed waste can be fully filtered in the screening unit 23, and the material baffle plate 25 can block the waste to ensure the effect of raw material filtering.

[0032] The driving unit 22 includes a driving motor 221, a rotating shaft 222, a connecting wheel 223 and a synchronous belt 224. The rotating shaft 222 is evenly installed inside the shell frame 21 through bearings. The driving motor 221 is installed at the front end of the shell frame 21 through a motor seat. The output shaft of the driving motor 221 is connected to the rotating shaft 222. A connecting wheel 223 is installed at the rear end of the rotating shaft 222. A synchronous belt 224 is installed between adjacent connecting wheels 223. During specific operation, the driving motor 221 drives the connecting wheel 223 to rotate through the rotating shaft 222. The reciprocating swing of the rotating shaft 222 can be achieved by the forward and reverse rotation of the driving motor 221. The synchronous belt 224 can realize the synchronous rotation of adjacent screening units 23 to ensure that the raw materials can be fully filtered.

[0033] The screening unit 23 comprises a chute frame 231, a connecting frame 232, a screening mechanism 233, a cleaning frame 234 and a reciprocating unit 235. The number of the chute frames 231 is two, and a sliding groove is arranged on the chute frame 231, and the sliding groove is connected to the baffle plate 25. A connecting frame 232 is installed between the chute frames 231, and grooves are evenly arranged on the connecting frame 232, and a screening mechanism 233 is installed in the groove. A cleaning frame 234 is evenly arranged below the screening mechanism 233, and a cleaning frame 234 is evenly arranged below the screening mechanism 233. The sorting frame 234 is installed on the slide frame 231 by screws. A reciprocating unit 235 is set in the middle of the lower end of the slide frame 231. The upper end of the reciprocating unit 235 is in close contact with the screening mechanism 233. During specific operation, when the reciprocating unit 235 moves, the reciprocating unit 235 can drive the screening mechanism 233 to swing back and forth up and down, so that the screening mechanism 233 can effectively contact with the cleaning frame 234. The cleaning frame 234 can play a role in clearing and preventing the construction waste from being blocked.

[0034] A flexible pad is arranged at the upper end of the inner wall of the sliding groove, and the flexible pad can play the role of blocking materials to prevent construction waste from falling into the sliding groove.

[0035] The outer surface of the slide frame 231 is evenly provided with sealing plates, and the outer surface of the sealing plates is evenly provided with bristles. The bristles are made of flexible material and are tightly attached to the inner wall of the shell frame 21. When the sliding frame 251 moves on the slide frame 231, the sealing plate can play a sealing role to prevent construction waste from flowing out of the gap between the sliding frame 251 and the shell frame 21.

[0036] The screening mechanism 233 includes a screening frame 2331, a screen 2332, a sliding rod 2333 and a telescopic spring 2334. The sliding rods 2333 are evenly installed on the outer side of the groove, and the telescopic spring 2334 is arranged on the sliding rod 2333. The screening frame 2331 is connected with the sliding rods 2333 by sliding cooperation. The screening frame 2331 is a rectangular frame structure. The screen 2332 is detachably installed in the middle part of the screening frame 2331, and the mesh holes are evenly arranged on the screen 2332. During specific operation, when the reciprocating unit 235 drives the screening frame 2331 to reciprocate up and down, the screening frame 2331 can drive the screen 2332 to move synchronously. When the screen 2332 moves downward, the cleaning frame 234 can effectively dredge the screen 2332 to prevent the construction waste from clogging the mesh holes, and the telescopic spring 2334 can play a resetting role.

[0037] The cleaning frame 234 includes a connecting frame 2341 and a ejector pin 2342. The connecting frame 2341 is in a U-shaped structure. The connecting frame 2341 is installed between the two slide trough frames 231 by screws. The ejector pins 2342 are evenly installed on the connecting frame 2341 by screws. The ejector pins 2342 are made of stainless steel. The ejector pins 2342 are plugged into the screening mechanism 233. During specific operation, the ejector pins 2342 can clear the mesh holes on the screen 2332 to prevent large particles of impurities from clogging the mesh holes, thereby ensuring the filtering effect of the screen 2332 and improving the screening efficiency of the raw materials.

[0038] The reciprocating unit 235 comprises a rotating rod 2351, a cam frame 2352, a rotating gear 2353 and an arc groove 2354. The rotating rod 2351 is evenly mounted on the slide frame 231 through a bearing, the cam frame 2352 is fixedly mounted on the rotating rod 2351, and the rotating gear 2353 is mounted on the end of the rotating rod 2351. The inner wall of the housing frame 21 is evenly provided with an arc groove 2354, and the rotating gear 2353 is located in the arc groove 2354. Rack plates cooperating with the rotating gear 2353 are evenly arranged on the inner wall of 354. During specific operation, when the connecting frame 232 rotates back and forth, the connecting frame 232 drives the rotating gear 2353 to rotate inside the arc groove 2354, and the rack plate inside the arc groove 2354 can drive the rotating gear 2353 to rotate. The rotating gear 2353 can then drive the screening mechanism 233 to vibrate back and forth through the cam frame 2352, thereby ensuring that the crushed waste can be fully filtered.

[0039] The material baffle plate 25 includes a sliding frame 251 and a baffle 252. The sliding frame 251 is connected to the inside of the sliding groove by sliding cooperation. The baffle 252 is installed on the upper end of the sliding frame 251 through a pin shaft. The upper end of the baffle 252 is connected to the inner wall of the shell frame 21 through a pin shaft. During specific operation, when the slide groove frame 231 rotates, the sliding frame 251 can move synchronously with the slide groove frame 231, so that the slide groove frame 231 can effectively play a sealing role to ensure that the construction waste is fully filtered.

[0040] The sliding frame 251 is in a U-shaped structure, and a scraper is arranged inside the sliding frame 251. The scraper is made of flexible rubber material. The scraper can seal the gap between the sliding frame 251 and the screening mechanism 233 to prevent the construction materials from flowing out from both ends of the screening mechanism 233, thereby ensuring the accuracy of the filtering of construction waste.

[0041] The crushing frame 3 includes a feed frame 31, a guide frame 32 and a crushing roller 33. The feed frame 31 is installed on the upper end of the shell frame 21, and the guide frame 32 is symmetrically arranged on the upper end of the feed frame 31. The crushing roller 33 is symmetrically installed on the lower end of the feed frame 31 through a pin shaft. The two crushing rollers 33 rotate in the same direction. The outer end of the crushing roller 33 is connected to the motor. During operation, the motor can effectively drive the construction waste to be crushed through the crushing roller 33, and the crushing effect is good, which is conducive to the subsequent recycling and reuse of the raw materials.

[0042] The use steps of the present invention in specific work:

[0043] S1. Crushing of construction waste: The construction waste to be processed is manually fed into the feed rack 31, and the motor can effectively drive the construction waste to be crushed through the crushing roller 33, with good crushing effect, which is conducive to the subsequent recycling and reuse of the raw materials;

[0044] S2. Waste screening and filtration: The crushed waste falls into the upper end of the screening unit 23 through the feed port, the driving unit 22 can drive the screening unit 23 to swing back and forth, and the reciprocating unit 235 can drive the screening mechanism 233 to vibrate up and down, so that the screening mechanism 233 can effectively screen the construction waste, and the screening mechanism 233 can effectively contact with the cleaning rack 234, and the cleaning rack 234 can play a role in dredging, preventing the construction waste from clogging, and ensuring the effect of raw material filtration;

[0045] S3, collection of construction waste: after the construction waste is screened, the waste materials are collected through the lower end of the housing frame 21.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A construction waste crushing and screening device, comprising a support frame (1), a screening assembly (2) and a crushing frame (3), characterized in that: A screening assembly (2) is fixedly mounted on the upper end of the support frame (1). The screening assembly (2) is of a rectangular structure. A feed inlet is provided on the upper end of the screening assembly (2). A crushing frame (3) is mounted on the feed inlet, wherein: The screening assembly (2) comprises a housing frame (21), a driving unit (22), a screening unit (23), a rotating frame (24) and a material blocking plate (25); the housing frame (21) is a rectangular hollow structure; the driving unit (22) is installed inside the housing frame (21); the screening units (23) are evenly arranged inside the housing frame (21); the lower end of the screening unit (23) is installed with a rotating frame (24); the rotating frame (24) is fixedly installed on the driving unit (22); the material blocking plate (25) is symmetrically arranged on the driving unit (22) by means of sliding fit; the upper end of the material blocking plate (25) is installed on the inner wall of the housing frame (21) by means of a pin shaft; The screening unit (23) comprises a chute frame (231), a connecting frame (232), a screening mechanism (233), a cleaning frame (234) and a reciprocating unit (235). The number of the chute frames (231) is two. The chute frames (231) are provided with a sliding groove, which is connected to the material blocking plate (25). A connecting frame (232) is installed between the chute frames (231). Grooves are evenly arranged on the connecting frame (232), and the screening mechanism (233) is installed in the grooves. Cleaning frames (234) are evenly arranged below the screening mechanism (233), and the cleaning frame (234) is installed on the chute frame (231) by screws. A reciprocating unit (235) is arranged in the middle of the lower end of the chute frame (231), and the upper end of the reciprocating unit (235) is in close contact with the screening mechanism (233). The screening mechanism (233) comprises a screening frame (2331), a screen (2332), a sliding rod (2333) and a telescopic spring (2334); the sliding rods (2333) are evenly installed on the outer side of the groove; the telescopic spring (2334) is arranged on the sliding rod (2333); the screening frame (2331) is connected between the sliding rods (2333) by means of sliding fit; the screening frame (2331) is a rectangular frame structure; the screen (2332) is detachably installed in the middle of the screening frame (2331); and meshes are evenly arranged on the screen (2332); The reciprocating unit (235) comprises a rotating rod (2351), a cam frame (2352), a rotating gear (2353) and an arc-shaped groove (2354); the rotating rod (2351) is evenly mounted on the slide frame (231) via a bearing; the cam frame (2352) is fixedly mounted on the rotating rod (2351); a rotating gear (2353) is mounted on the end of the rotating rod (2351); an arc-shaped groove (2354) is evenly arranged on the inner wall of the housing frame (21); the rotating gear (2353) is located in the arc-shaped groove (2354); and a rack plate matching the rotating gear (2353) is evenly arranged on the inner wall of the arc-shaped groove (2354); The cleaning frame (234) comprises a connecting frame (2341) and an ejector pin (2342). The connecting frame (2341) is of a U-shaped structure. The connecting frame (2341) is installed between two slide chute frames (231) by means of screws. The ejector pins (2342) are evenly installed on the connecting frame (2341) by means of screws. The ejector pins (2342) are made of stainless steel. The ejector pins (2342) are plugged into and matched with the screening mechanism (233).

2. The construction waste crushing and screening device according to claim 1, characterized in that: The crushing frame (3) comprises a feed frame (31), a guide frame (32) and a crushing roller (33); the feed frame (31) is installed on the upper end of the shell frame (21); the guide frame (32) is symmetrically arranged on the upper end of the feed frame (31); the crushing roller (33) is symmetrically installed on the lower end of the feed frame (31) through a pin shaft; the two crushing rollers (33) rotate in the same direction; and the outer end of the crushing roller (33) is connected to a motor.

3. The construction waste crushing and screening device according to claim 1, characterized in that: The driving unit (22) comprises a driving motor (221), a rotating shaft (222), a connecting wheel (223) and a synchronous belt (224); the rotating shaft (222) is evenly mounted inside the housing frame (21) via a bearing; the driving motor (221) is mounted at the front end of the housing frame (21) via a motor seat; the output shaft of the driving motor (221) is connected to the rotating shaft (222); the connecting wheel (223) is mounted at the rear end of the rotating shaft (222); and the synchronous belt (224) is mounted between adjacent connecting wheels (223).

4. The construction waste crushing and screening device according to claim 1, characterized in that: The material baffle plate (25) comprises a sliding frame (251) and a baffle plate (252); the sliding frame (251) is connected to the interior of the sliding groove by means of sliding fit; the baffle plate (252) is installed on the upper end of the sliding frame (251) via a pin shaft; and the upper end of the baffle plate (252) is connected to the inner wall of the housing frame (21) via a pin shaft.

5. The construction waste crushing and screening device according to claim 1, characterized in that: The outer surface of the slide slot frame (231) is evenly provided with sealing plates, and the outer surface of the sealing plate is evenly provided with bristles, the bristles are made of flexible material, and the bristles are in close contact with the inner wall of the shell frame (21).

6. The construction waste crushing and screening device according to claim 4, characterized in that: The sliding frame (251) is in a U-shaped structure, and a scraper is arranged inside the sliding frame (251), and the scraper is made of a flexible rubber material.

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