Recycled concrete grinding and screening equipment

Abstract

The utility model discloses recycled concrete grinding and screening equipment which comprises a grinding machine, a supporting structure and a screening structure, and the grinding machine is used for grinding recycled concrete; the supporting structure comprises a rack, a storage tank and a mounting frame, and the storage tank and the mounting frame are both used for being mounted on the rack; the material screening structure comprises a sliding frame and a filter sieve, the sliding frame is installed on the installation frame in a sliding mode through a driving assembly, and the filter sieve is fixedly connected with the sliding frame and used for sliding on the material storage groove in a reciprocating mode; wherein the rack is further provided with a driving structure and a feeding mechanism, and the driving structure is used for controlling the sliding frame to slide on the mounting frame in a reciprocating mode; the feeding device comprises a support, a feeding bin, a stirring shaft and a stirring rod, the support is installed on the rack, and the feeding bin is installed on the support; the utility model aims to solve the problem of blockage in feeding when recycled concrete is screened in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of recycled concrete technical field, specifically a kind of recycled concrete grinding, screening equipment. BACKGROUND

[0002] Recycled concrete is a new type of building material made by recycling and reusing waste concrete. With the acceleration of urbanization and the development of construction industry, the consumption of traditional building materials has increased dramatically, leading to resource shortage and environmental pressure. The rise of recycled concrete technology aims to solve these problems by crushing, screening and processing waste concrete from demolished buildings to be used as aggregate for new concrete production. This not only reduces the environmental pollution of construction waste, but also saves natural resources, in line with the concept of sustainable development. At the same time, recycled concrete gradually shows its good mechanical properties and durability in engineering practice, gradually becoming a green building material that attracts attention in modern construction field.

[0003] The invention patent with application number CN202010219299.5 and publication number CN111389521A (hereinafter referred to as "Prior Art 1") discloses a screening and grinding machine for concrete recycled aggregate and its preparation process, which includes a support, a housing fixed on the support, a grinding assembly rotatably connected inside the housing, a screening assembly arranged on the lower side of the housing, a feeding assembly arranged on one side of the housing, and a driving assembly arranged on the support. The grinding assembly includes a first grinding sleeve rotatably connected to the inner side of the housing and a first grinding ball movably placed inside the first grinding sleeve. The inner wall of the first grinding sleeve is provided with a first filter hole, and the inner wall of the first grinding sleeve is provided with a grinding tooth for grinding the surface of the concrete stone.

[0004] The specification of Prior Art 1 discloses a screening and grinding machine for concrete recycled aggregate and its preparation process. When in use, the grinding tooth is arranged on the inner side of the first grinding sleeve, which further grinds the concrete stone. The mud or mortar on the surface of the concrete stone is better removed, but in actual application, when the feeding assembly is fed, the large particles of recycled concrete still exist after grinding, and material blocking may occur at the feeding port during feeding. SUMMARY

[0005] The utility model provides a kind of recycled concrete grinding, screening equipment, and the purpose is to solve the problem of blocking of recycled concrete in prior art during screening.

[0006] To solve the above technical problems, the technical solution adopted by the utility model is:

[0007] The application discloses a kind of recycled concrete grinding, screening equipment, including grinder, support structure and screening structure, grinder is used to grind recycled concrete;Support structure includes: rack, storage tank and mounting frame, storage tank and mounting frame are used to be installed on rack;Screening structure includes: sliding frame and filter screen, sliding frame is slidably installed on the mounting frame by driving assembly, filter screen is fixedly connected with sliding frame, and is used to reciprocatingly slide on storage tank;

[0008] Wherein, driving structure and feeding mechanism are further provided on the rack, the driving structure is used to control the reciprocating sliding of the sliding frame on the mounting frame;The feeding device includes a bracket, a feeding bin, an agitator shaft and agitator bars, the bracket is mounted on the rack, the feeding bin is mounted on the bracket, the agitator shaft is rotatably mounted on the bracket and penetrates the feeding bin to be rotatably and sealingly connected with the feeding bin, and the driving structure is used to drive the agitator shaft to rotate on the bracket;The agitator bars are fixedly installed on the agitator shaft.

[0009] Further, the driving structure includes a gasoline engine, a crank rocker mechanism and a belt transmission mechanism, the gasoline engine and the belt transmission mechanism are both mounted on the rack, the crank rocker mechanism is provided on the mounting frame, and the belt transmission mechanism is connected with the crank rocker mechanism.

[0010] Further, the belt transmission mechanism includes a driving pulley, a first driven pulley and a first belt, the mounting frame is rotatably provided with an output shaft, the first driven pulley is fixedly installed on the end of the output shaft, the driving pulley is fixedly installed on the output shaft of the gasoline engine, the first belt is installed on the driving pulley and the first driven pulley, and the crank rocker mechanism is connected with the output shaft.

[0011] Further, the crank rocker mechanism includes a driving rocker, a driven rocker and a crank, the end of the driving rocker is fixedly installed on the output shaft, the end of the driving rocker is hingedly connected with a sliding block, the driven rocker is provided with a waist-shaped groove, the sliding block is slidably installed in the waist-shaped groove, one end of the crank is hingedly connected with the driven rocker, and the other end is hingedly connected with the side surface of the sliding frame.

[0012] Further, the sliding frame is slidably connected with the mounting frame through a sliding assembly.

[0013] Further, the sliding assembly includes a waist-shaped sliding groove provided on the mounting frame and a sliding plate provided on the side surface of the sliding frame, and the sliding plate is used to slide in the waist-shaped sliding groove.

[0014] Further, a plurality of rollers are provided on the sliding plate, and the rollers are slidably installed in the waist-shaped sliding groove.

[0015] Further, the transmission mechanism further comprises a second driven pulley and a third driven pulley, the second driven pulley is fixedly installed on the output shaft away from one end of the first driven pulley, and the third driven pulley is fixedly installed on the stirring shaft, and the second driven pulley and the third driven pulley are sleeved with a second belt.

[0016] Further, the outlet end of the feeding bin is provided with a dust cover.

[0017] Further, the stirring shaft is rotatably installed on the support through a bearing seat.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model discloses a grinding machine, support structure and screening structure mainly, in actual use process, the staff places the recycled concrete in the grinding machine and grinds, then starts drive structure, and drive structure drives stirring shaft rotation, and stirring shaft drives a plurality of stirring rods to rotate simultaneously, at this moment, the recycled concrete after grinding is passed into the feeding bin, and the material in the feeding bin is agitated along with the stirring of stirring rod, then the recycled concrete enters the filter screen, under the action of drive structure, drive structure drives the sliding frame to reciprocate on the mounting frame, and then drives the filter screen to reciprocate above the storage tank, and the recycled concrete above the filter screen is screened, and the qualified recycled concrete falls in the storage tank, and the recycled concrete with larger particles is collected and put into the grinding machine to grind again, and finally the recycled concrete with smaller particles is screened and used. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as the limitation to the scope, and for the ordinary skilled person in the art, other related drawings can be obtained without the creative labor according to these drawings.

[0021] Figure 1 It is one of the structural schematic diagram of the utility model.

[0022] Figure 2 It is the second structural schematic diagram of the utility model.

[0023] In the figure, 101 - rack, 102 - storage tank, 103 - mounting frame, 104 - sliding frame, 105 - filter screen, 106 - bracket, 107 - feeding bin, 108 - stirring shaft, 109 - stirring rod, 110 - gasoline engine, 111 - driving pulley, 112 - first driven pulley, 113 - first belt, 114 - driving rocker, 115 - driven rocker, 116 - crank, 117 - sliding block, 118 - waist-shaped groove, 119 - waist-shaped sliding groove, 120 - sliding plate, 121 - roller, 122 - second driven pulley, 123 - third driven pulley, 124 - second belt, 125 - dust cover, 126 - bearing seat. DETAILED DESCRIPTION

[0024] The utility model will be described further below in combination with the embodiments, and the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figure 1 And Figure 2 As shown in the figure, the embodiment discloses a kind of recycled concrete grinding, screening equipment, including grinder, support structure and screening structure, grinder is used to grind recycled concrete;Support structure includes: rack 101, storage tank 102 and mounting frame 103, storage tank 102 and mounting frame 103 are all used to install on rack 101;Screening structure includes: sliding frame 104 and filter screen 105, sliding frame 104 is slidably installed on the mounting frame 103 by drive assembly, filter screen 105 is fixedly connected with sliding frame 104, and is used to reciprocatingly slide on storage tank 102;

[0026] Wherein, rack 101 is also provided with driving structure and feeding mechanism, driving structure is used to control sliding frame 104 reciprocatingly slide on mounting frame 103;Feeding device includes bracket 106, feeding bin 107, stirring shaft 108 and stirring rod 109, bracket 106 is installed on rack 101, feeding bin 107 is installed on bracket 106, stirring shaft 108 is rotatably installed on bracket 106 and is connected with feeding bin 107 rotatably after penetrating feeding bin 107, and driving structure is used to drive stirring shaft 108 to rotate on bracket 106;Stirring rod 109 has several, and several stirring rods 109 are fixedly installed on stirring shaft 108;

[0027] The utility model mainly includes grinder, support structure and screening structure, in the actual use process, staff places the recycled concrete in the grinder and grinds, then starts the drive structure, drive structure drives stirring shaft 108 to rotate, stirring shaft 108 drives several stirring rods 109 to rotate together, at this moment, the recycled concrete after grinding is passed into the feeding bin 107, along with the stirring of stirring rod 109, the material in feeding bin 107 is agitated, then the recycled concrete enters the filter screen 105, under the action of drive structure, drive structure drives sliding frame 104 to reciprocate on mounting frame 103, and then drive filter screen 105 to reciprocate above the storage tank 102, sieve the recycled concrete above filter screen 105, the qualified recycled concrete falls in the storage tank 102, and the recycled concrete with larger particles is collected and put into the grinder again to grind, and finally the recycled concrete with smaller particles is screened and used, the advantage of this arrangement is that under the action of stirring shaft 108 and stirring rod 109, the situation that the recycled concrete in feeding bin 107 is piled up or blocked is avoided, and the efficiency of the recycled concrete screening is improved.

[0028] In some embodiments, the drive structure includes a gasoline engine 110, a crank rocker mechanism and a belt drive mechanism, the gasoline engine 110 and the belt drive mechanism are both installed on the rack 101, the crank rocker mechanism is arranged on the mounting frame 103, and the belt drive mechanism is connected with the crank rocker mechanism.

[0029] In the actual use process, the staff drives the gasoline engine 110 to start, and the gasoline engine 110 drives the belt drive mechanism and then drives the crank rocker mechanism to operate after starting, under the action of the crank rocker mechanism, the sliding frame 104 reciprocates on the mounting frame 103.

[0030] In some embodiments, the belt drive mechanism includes a driving pulley 111, a first driven pulley 112 and a first belt 113, the mounting frame 103 is rotatably installed with an output shaft, the first driven pulley 112 is fixedly installed on the end of the output shaft, the driving pulley 111 is fixedly installed on the output shaft of the gasoline engine 110, the first belt 113 is installed on the driving pulley 111 and the first driven pulley 112, and the crank rocker mechanism is connected with the output shaft.

[0031] In some embodiments, the crank rocker mechanism includes a driving rocker 114, a driven rocker 115 and a crank 116, the end of the driving rocker 114 is fixedly installed on the output shaft, the end of the driving rocker 114 is hingedly connected with a sliding block 117, the driven rocker 115 is provided with a waist-shaped groove 118, the sliding block 117 is slidably installed on the waist-shaped groove 118, one end of the crank 116 is hingedly connected with the driven rocker 115, and the other end is hingedly connected with the side surface of the sliding frame 104.

[0032] During actual use, the gasoline engine 110 drives the active pulley 111 to rotate after it is running. The active pulley 111 drives the first driven pulley 112 to rotate under the action of the first belt 113. After the first driven pulley 112 rotates, it drives the active rocker 114 to rotate. After the active rocker 114 rotates, the active rocker 114 slides on the driven rocker 115. At the same time, during the rotation of the active rocker 114, the driven rocker 115 and the crank 116 are repeatedly pushed, thereby causing the sliding frame 104 hinged to the crank 116 to move back and forth on the mounting frame 103.

[0033] In some embodiments, the sliding frame 104 is slidably connected to the mounting frame 103 via a sliding assembly.

[0034] In actual use, the benefit of using the sliding assembly is that it can make the sliding between the sliding frame 104 and the mounting frame 103 smoother.

[0035] In some embodiments, the sliding assembly includes a waist-shaped sliding groove 119 provided on the mounting frame 103 and a sliding plate 120 provided on a side of the sliding frame 104 . The sliding plate 120 is used to slide inside the waist-shaped sliding groove 119 .

[0036] In actual use, the waist-shaped sliding groove 119 and the sliding plate 120 are provided to limit the sliding track of the sliding frame 104 so that the sliding frame 104 can only slide back and forth in a plane inside the installation frame 103 .

[0037] In some embodiments, a plurality of rollers 121 are provided on the sliding plate 120 , and the rollers 121 are used for sliding installation inside the waist-shaped sliding groove 119 .

[0038] In actual use, the purpose of setting the roller is to convert the sliding friction between the sliding plate 120 and the waist-shaped slide groove 119 into rolling friction, reduce friction, and make the sliding between the sliding plate 120 and the waist-shaped slide groove 119 smoother.

[0039] In some embodiments, the transmission mechanism also includes a second driven pulley 122 and a third driven pulley 123. The second driven pulley 122 is fixedly mounted on the output shaft at one end away from the first driven pulley 112, and the third driven pulley 123 is fixedly mounted on the stirring shaft 108. A second belt 124 is sleeved on the second driven pulley 122 and the third driven pulley 123.

[0040] In actual use, when the first driven pulley 112 rotates to drive the output shaft to rotate, the output shaft drives the second driven pulley 122 to rotate, the second driven pulley 122 drives the third driven pulley 123 to rotate under the action of the second belt 124, and the third driven pulley 123 drives the stirring shaft 108 to rotate, thereby achieving the purpose of rotating the gasoline engine 110 to drive the stirring shaft 108 to rotate.

[0041] In some embodiments, the outlet end of the feeding bin 107 is provided with a dust cover 125.

[0042] In actual use, the purpose of setting the dust cover 125 is to prevent dust from affecting the health of the workers.

[0043] In some embodiments, the stirring shaft 108 is rotatably installed on the support 106 through a bearing seat 126.

[0044] In actual use, the purpose of using the bearing seat 126 is to install the stirring shaft 108.

[0045] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0046] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated, so that the features with "first", "second", "third", "fourth" can explicitly or implicitly include at least one of the features.

[0047] In the present application, unless otherwise specified and limited, the terms "installation", "setting", "connection", "fixing", "threaded connection" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specified, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application according to the specific situation.

[0048] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A recycled concrete grinding and screening device, comprising a grinder for grinding recycled concrete, characterized in that: Also includes: A supporting structure comprising: a frame (101), a material storage trough (102) and a mounting frame (103), wherein the material storage trough (102) and the mounting frame (103) are both used for mounting on the frame (101); and The screening material structure comprises: a sliding frame (104) and a filter screen (105), wherein the sliding frame (104) is slidably mounted on the mounting frame (103) via a driving assembly, and the filter screen (105) is fixedly connected to the sliding frame (104) and is used for reciprocating sliding on the material storage trough (102); The frame (101) is further provided with a driving structure and a feeding mechanism, wherein the driving structure is used to control the sliding frame (104) to slide back and forth on the mounting frame (103); the feeding device comprises a bracket (106), a feeding bin (107), a stirring shaft (108) and a stirring rod (109); the bracket (106) is mounted on the frame (101); the feeding bin (107) is mounted on the bracket (106); the stirring shaft (108) is rotatably mounted on the bracket (106) and passes through the feeding bin (107) and is rotatably sealed with the feeding bin (107); the driving structure is used to drive the stirring shaft (108) to rotate on the bracket (106); and there are a plurality of stirring rods (109), and the plurality of stirring rods (109) are fixedly mounted on the stirring shaft (108).

2. The recycled concrete grinding and screening equipment according to claim 1, characterized in that: The driving structure comprises a gasoline engine (110), a crank-rocker mechanism and a pulley transmission mechanism. The gasoline engine (110) and the pulley transmission mechanism are both mounted on a frame (101). The crank-rocker mechanism is arranged on a mounting frame (103). The pulley transmission mechanism is connected to the crank-rocker mechanism.

3. The recycled concrete grinding and screening equipment according to claim 2, characterized in that: The pulley transmission mechanism comprises a driving pulley (111), a first driven pulley (112) and a first belt (113); an output shaft is rotatably mounted on the mounting frame (103); the first driven pulley (112) is fixedly mounted on the end of the output shaft; the driving pulley (111) is fixedly mounted on the output shaft of the gasoline engine (110); the first belt (113) is mounted on the driving pulley (111) and the first driven pulley (112); and the crank rocker mechanism is connected to the output shaft.

4. The recycled concrete grinding and screening equipment according to claim 3, characterized in that: The crank rocker mechanism comprises an active rocker (114), a passive rocker (115) and a crank (116). The end of the active rocker (114) is fixedly mounted on the output shaft. The end of the active rocker (114) is hinged with a sliding block (117). The passive rocker (115) is provided with a waist-shaped groove (118). The sliding block (117) is slidably mounted on the waist-shaped groove (118). One end of the crank (116) is hinged with the passive rocker (115), and the other end is hinged with the side of the sliding frame (104).

5. The recycled concrete grinding and screening equipment according to claim 1, characterized in that: The sliding frame (104) is slidably connected to the installation frame (103) via a sliding assembly.

6. The recycled concrete grinding and screening equipment according to claim 5, characterized in that: The sliding assembly comprises a waist-shaped sliding groove (119) arranged on the installation frame (103) and a sliding plate (120) arranged on the side of the sliding frame (104), and the sliding plate (120) is used for sliding inside the waist-shaped sliding groove (119).

7. The recycled concrete grinding and screening equipment according to claim 6, characterized in that: A plurality of rollers (121) are provided on the sliding plate (120), and the rollers (121) are used for slidingly mounting inside the waist-shaped sliding groove (119).

8. The recycled concrete grinding and screening equipment according to claim 1, characterized in that: The transmission mechanism further includes a second driven pulley (122) and a third driven pulley (123). The second driven pulley (122) is fixedly mounted on an end of the output shaft away from the first driven pulley (112). The third driven pulley (123) is fixedly mounted on the stirring shaft (108). A second belt (124) is sleeved on the second driven pulley (122) and the third driven pulley (123).

9. The recycled concrete grinding and screening equipment according to claim 1, characterized in that: The outlet end of the loading bin (107) is provided with a dust cover (125).

10. The recycled concrete grinding and screening equipment according to claim 1, characterized in that: The stirring shaft (108) is rotatably mounted on the bracket (106) via a bearing seat (126).

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