Recycled concrete screening machine with filter screen convenient to replace

Abstract

The recycled concrete screening machine comprises a fixing mechanism, and one side of the fixing mechanism is rotationally connected to one end of a connecting rod; a reciprocating mechanism and a driving motor mounted at the bottom of the reciprocating mechanism are arranged on the outer side of the fixing mechanism; the fixing mechanism comprises a frame, the interior of the frame is connected with a screen in an attached mode, the left end and the right end of the top of the screen are connected with limiting blocks in an attached mode, and the ends, away from the screen, of the limiting blocks are fixedly connected with limiting frames; wherein one side of the limiting frame is connected with the frame in an attached mode, positioning grooves are formed in the left end and the right end of the limiting frame, and sliding blocks are slidably connected into the positioning grooves. And by arranging a reciprocating mechanism, concrete of different sizes can be screened, meanwhile, the concrete is collected separately, and raw materials are convenient to take.

Description

Technical Field

[0001] The utility model relates to the technical field of recycled concrete processing equipment, in particular to a recycled concrete screening machine which is convenient for replacing a filter screen. Background Art

[0002] Recycled concrete refers to new concrete made by crushing, cleaning, and grading discarded concrete blocks, mixing them with grading in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel (mainly coarse aggregates), and then adding cement, water, etc.

[0003] Publication No. CN218014037U discloses a soil screener that is easy to replace the filter screen. By rotating the screening frame one or the screening frame two, the screening frame one and the screening frame two can be separated to realize the disassembly and replacement of the filter screen. There is no need to manually use external tools for disassembly. The difficulty of manually replacing the filter screen is low, which greatly reduces the labor intensity of manual work and improves the replacement efficiency of the filter screen. At the same time, a cover body is provided. When screening the soil, one end of the screening frame one can be closed by the cover body, so as to avoid the soil on the filter screen from leaking out to the outside when the soil screener is manually shaken to screen the soil. However, the patent still has the following problems in actual use:

[0004] Although the soil screener that is easy to replace the filter can separate the screening frame one from the screening frame two by rotating the screening frame one or the screening frame two, the device is easily loosened at the connection when it is in a vibrating environment for a long time, thereby causing the filter to loosen.

[0005] The invention provides a recycled concrete screening machine which is convenient for replacing filter screen, so as to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a recycled concrete screening machine that is easy to replace the filter screen, so as to solve the problem proposed in the above background technology that the screening frame one and the screening frame two can be separated by rotating the screening frame one or the screening frame two, but the device is in a vibrating environment for a long time, which easily leads to loose connections, thereby causing the filter screen to loosen.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a recycled concrete screening machine that is convenient for replacing a filter screen, comprising a fixing mechanism, and one side of the fixing mechanism is rotatably connected to one end of a connecting rod;

[0008] A reciprocating mechanism is arranged outside the fixing mechanism, and a driving motor is installed at the bottom of the reciprocating mechanism;

[0009] Also includes:

[0010] The fixing mechanism comprises a frame, a screen is fitted inside the frame, both left and right ends of the top of the screen are fitted with limit blocks, and one end of the limit block away from the screen is fixedly connected to the limit frame;

[0011] One side of the limit frame is closely connected to the frame, and positioning grooves are provided inside the left and right ends of the limit frame, and a slider is slidably connected inside the positioning groove;

[0012] A push rod is fixedly connected to the center position of the slider, the outer side of the push rod is slidably connected to the limit frame, one end of the push rod is fixedly connected to a cylinder, and a ring is sleeved on the outer side of the cylinder.

[0013] Preferably, a semi-circular sphere is fixedly connected to one end of the cylinder away from the push rod, and a ring groove is provided on a side of the semi-circular sphere close to the cylinder, and the interior of the ring groove is fitted and connected to the ring.

[0014] Preferably, the frame is provided with a groove on the outer side close to the push rod, the interior of the groove is slidably connected to the semicircular ball, and the frame is symmetrically provided with limiting grooves on the left and right sides close to the groove.

[0015] Preferably, an elastic stopper is provided inside the limiting groove, and one end of the elastic stopper is fitted and connected to the semicircular sphere.

[0016] Preferably, the reciprocating mechanism includes a bracket, one side of the top of the bracket is fixedly connected to a support plate, one side of the bottom of the support plate is fixedly connected to a drive motor, and the output end of the drive motor passes through the support plate and is fixedly connected to an active disk.

[0017] Preferably, a belt is fitted and connected to the outer side of the active disk, and the end of the belt away from the active disk is fitted and connected to the driven disk. The center position inside the driven disk is rotatably connected to the support plate, and a connecting rod is rotatably connected to one side of the top of the driven disk, and the end of the connecting rod away from the driven disk is rotatably connected to the frame.

[0018] Preferably, movable grooves are provided around the top of the bracket, and rollers are slidably connected inside the movable grooves, one end of the rollers is fixedly connected to the frame, and one end of the bracket away from the support plate is fixedly connected to a guide plate, and a movable plate is slidably connected inside the guide plate, and one end of the movable plate is fixedly connected to the frame.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the regenerated concrete screening machine is easy to replace the filter screen, the screen screen can be quickly fixed by setting a fixing mechanism, and the screen screen can be easily replaced and cleaned; the reciprocating mechanism can be set to screen concrete of different sizes, and the concrete can be collected separately at the same time, which is convenient for taking the raw materials. The specific contents are as follows:

[0020] 1. The screen can be quickly fixed by setting a fixing mechanism, which is convenient for replacing and cleaning the screen. The elastic block limits the semi-circular ball to prevent it from moving out of the frame. The semi-circular ball is driven to move in the groove by pressing the push rod downward. The ring slides on the surface of the cylinder. At the same time, the elastic block moves along the outer side of the ring in the limiting groove, thereby changing the protruding position of the elastic block. When the ring overlaps with the semi-circular ball, the semi-circular ball can be taken out of the groove, and the limit frame on the screen can be released. It is convenient for replacing and cleaning the screen;

[0021] 2. By setting up a reciprocating mechanism, concrete of different sizes can be screened and collected separately, which is convenient for taking raw materials. The driving motor drives the active disk to rotate, and the synchronous effect of the belt is used to drive the driven disk to rotate together with the active disk. The cooperation between the connecting rod and the driven disk is used to drive the frame to reciprocate in the moving groove, so that the concrete can be screened. Smaller concrete falls directly for collection, and larger concrete falls to the designated position through the guide plate for collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the side cross-sectional structure of the frame of the utility model;

[0025] Figure 4 For this utility model Figure 3 The enlarged structural diagram of location 1 in the middle;

[0026] Figure 5 It is a schematic diagram of the structure of the utility model when the semi-circular ball moves downward.

[0027] In the figure: 1. fixing mechanism; 101. frame; 102. screen; 103. limit block; 104. limit frame; 105. positioning groove; 106. slider; 107. push rod; 108. cylinder; 109. ring; 110. semi-circular ball; 111. ring groove; 112. groove; 113. limit groove; 114. elastic stop block; 2. reciprocating mechanism; 201. bracket; 202. support plate; 203. driving motor; 204. active disk; 205. belt; 206. driven disk; 207. connecting rod; 208. moving groove; 209. roller; 210. guide plate; 211. movable plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 The utility model provides a technical solution: a recycled concrete screening machine that is easy to replace the filter screen, including a fixing mechanism 1, and one side of the fixing mechanism 1 is rotatably connected to one end of the connecting rod 207; a reciprocating mechanism 2 and a driving motor 203 installed at the bottom of the reciprocating mechanism 2 are arranged on the outside of the fixing mechanism 1; the fixing mechanism 1 includes a frame 101, a screen 102 is fitted and connected inside the frame 101, and both left and right ends of the top of the screen 102 are fitted and connected to a limiting block 103, and one end of the limiting block 103 away from the screen 102 is fixedly connected to a limiting frame 104, and by setting the limiting block 103, it can be ensured that the screen 102 and the frame 101 always maintain a fitting state;

[0030] One side of the limit frame 104 is closely connected to the frame 101, and positioning grooves 105 are provided inside the left and right ends of the limit frame 104. Slide blocks 106 are slidably connected inside the positioning grooves 105. By providing the slide blocks 106, the push rod 107 is prevented from falling off.

[0031] A push rod 107 is fixedly connected to the center of the slider 106, and the outer side of the push rod 107 is slidably connected to the limit frame 104. One end of the push rod 107 is fixedly connected to a cylinder 108, and a ring 109 is sleeved on the outer side of the cylinder 108. The cylinder 108 is provided to facilitate the up and down movement of the ring 109.

[0032] A semicircular sphere 110 is fixedly connected to one end of the cylinder 108 away from the push rod 107, and an annular groove 111 is provided on the side of the semicircular sphere 110 close to the cylinder 108. The interior of the annular groove 111 is closely connected to the circular ring 109. A groove 112 is provided on the outer side of the frame 101 close to the push rod 107. The interior of the groove 112 is slidably connected to the semicircular sphere 110. The frame 101 is symmetrically provided with limiting grooves 113 on the left and right sides close to the groove 112. An elastic stopper 114 is provided inside the limiting groove 113. One end of the elastic stopper 114 is closely connected to the semicircular sphere 110. The elastic stopper 114 is moved along the outer side of the circular ring 109 in the limiting groove 113, thereby changing the protruding position of the elastic stopper 114.

[0033] The reciprocating mechanism 2 includes a bracket 201, a support plate 202 is fixedly connected to one side of the top of the bracket 201, a drive motor 203 is fixedly connected to one side of the bottom of the support plate 202, an output end of the drive motor 203 passes through the support plate 202 and is fixedly connected to a driving disk 204, and the driving disk 204 is driven to rotate by the drive motor 203;

[0034] The outer side of the active disk 204 is closely connected with a belt 205, and the end of the belt 205 away from the active disk 204 is closely connected with a driven disk 206. The center position inside the driven disk 206 is rotatably connected to the support plate 202, and one side of the top of the driven disk 206 is rotatably connected with a connecting rod 207, and the end of the connecting rod 207 away from the driven disk 206 is rotatably connected to the frame 101, and the synchronous effect of the belt 205 is utilized to drive the driven disk 206 to rotate together with the active disk 204;

[0035] Movable grooves 208 are provided around the top of the bracket 201, and rollers 209 are slidably connected inside the movable grooves 208. One end of the rollers 209 is fixedly connected to the frame 101. The end of the bracket 201 away from the support plate 202 is fixedly connected to a guide plate 210, and a movable plate 211 is slidably connected inside the guide plate 210. One end of the movable plate 211 is fixedly connected to the frame 101. The cooperation between the connecting rod 207 and the driven disk 206 is utilized to drive the frame 101 to reciprocate in the movable grooves 208, so as to screen the concrete. Collection boxes are provided under the screen 102 and the guide plate 210 to facilitate the collection of concrete of different sizes.

[0036] Working principle: Before using this recycled concrete screening machine that is easy to replace the filter, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, firstly, concrete is poured onto the surface of the screen 102, and then the driving motor 203 is started to drive the active disk 204 to rotate, and the synchronous action of the belt 205 is utilized to drive the driven disk 206 to rotate together with the active disk 204, and the cooperation between the connecting rod 207 and the driven disk 206 is utilized to drive the frame 101 to reciprocate in the moving groove 208, so that the concrete can be screened, and the smaller concrete falls directly for collection, and the larger concrete falls to the designated position through the guide plate 210 for collection;

[0037] Secondly, when it is necessary to disassemble the screen 102 for cleaning, first press the push rod 107 downward to drive the semi-circular ball 110 to move in the groove 112, and use the elastic stop block 114 to drive the ring 109 to slide on the surface of the cylinder 108. At the same time, the elastic stop block 114 moves along the outer side of the ring 109 in the limiting groove 113, thereby changing the protruding position of the elastic stop block 114. When the ring 109 coincides with the semi-circular ball 110, the limit of the semi-circular ball 110 by the elastic stop block 114 can be released. Finally, the upper limit frame 104 can be pulled upward to remove the semi-circular ball 110 from the groove 112, and the screen 102 can be disassembled.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A recycled concrete screening machine that is easy to replace a filter screen, comprising a fixing mechanism (1), wherein one side of the fixing mechanism (1) is rotatably connected to one end of a connecting rod (207); A reciprocating mechanism (2) and a driving motor (203) installed at the bottom of the reciprocating mechanism (2) are arranged outside the fixing mechanism (1); It is characterized in that Also includes: The fixing mechanism (1) comprises a frame (101), a screen (102) is fitted and connected inside the frame (101), both left and right ends of the top of the screen (102) are fitted and connected to limiting blocks (103), and one end of the limiting block (103) away from the screen (102) is fixedly connected to a limiting frame (104); One side of the limit frame (104) is closely connected to the frame (101), and positioning grooves (105) are provided inside the left and right ends of the limit frame (104), and a slider (106) is slidably connected inside the positioning groove (105); A push rod (107) is fixedly connected to the center position inside the slider (106), the outer side of the push rod (107) is slidably connected to the limit frame (104), one end of the push rod (107) is fixedly connected to a cylinder (108), and a ring (109) is sleeved on the outer side of the cylinder (108).

2. The recycled concrete screening machine with easy filter screen replacement according to claim 1, characterized in that: A semicircular ball (110) is fixedly connected to one end of the cylinder (108) away from the push rod (107), and a ring groove (111) is provided on the side of the semicircular ball (110) close to the cylinder (108), and the interior of the ring groove (111) is closely connected to the ring (109).

3. The recycled concrete screening machine with easy filter screen replacement according to claim 2, characterized in that: The frame (101) is provided with a groove (112) on the outer side close to the push rod (107), the interior of the groove (112) is slidably connected to the semicircular ball (110), and the frame (101) is symmetrically provided with limiting grooves (113) on the left and right sides close to the groove (112).

4. The recycled concrete screening machine with easy filter screen replacement according to claim 3, characterized in that: An elastic stopper (114) is arranged inside the limiting groove (113), and one end of the elastic stopper (114) is fitted and connected to the semicircular ball (110).

5. The recycled concrete screening machine with easy filter screen replacement according to claim 1, characterized in that: The reciprocating mechanism (2) comprises a bracket (201), one side of the top of the bracket (201) is fixedly connected to a support plate (202), one side of the bottom of the support plate (202) is fixedly connected to a drive motor (203), and an output end of the drive motor (203) passes through the support plate (202) and is fixedly connected to a driving disk (204).

6. The recycled concrete screening machine with easy filter screen replacement according to claim 5, characterized in that: The outer side of the active disk (204) is fitted with a belt (205), and the end of the belt (205) away from the active disk (204) is fitted with a driven disk (206). The center position inside the driven disk (206) is rotatably connected to the support plate (202), and one side of the top of the driven disk (206) is rotatably connected to a connecting rod (207), and the end of the connecting rod (207) away from the driven disk (206) is rotatably connected to the frame (101).

7. The recycled concrete screening machine with easy filter screen replacement according to claim 6, characterized in that: The top of the bracket (201) is provided with movable grooves (208) around its periphery, the movable groove (208) is slidably connected to a roller (209) inside, one end of the roller (209) is fixedly connected to the frame (101), one end of the bracket (201) away from the support plate (202) is fixedly connected to a guide plate (210), the guide plate (210) is slidably connected to its inside to a movable plate (211), one end of the movable plate (211) is fixedly connected to the frame (101).

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