Fine sand recovery device for commercial concrete

Abstract

The utility model relates to the technical field of fine sand recovery, in particular to a fine sand recovery device for commercial concrete, which comprises a recovery box, a feeding frame is arranged at the top of the recovery box, a moving mechanism is arranged on the recovery box and used for adjusting swing of the feeding frame, and a stirring mechanism is arranged in the feeding frame and used for stirring raw materials in the feeding frame; the movable mechanism comprises a sliding block and a connecting rod, and sliding grooves are formed in the front face and the back face of the recycling box correspondingly. According to the sand screening device, the feeding frame moves leftwards and rightwards, sand in the feeding frame swings uniformly and falls onto the first screening plate, the situation that screening is affected due to the fact that the sand is accumulated at one position is avoided, and therefore the sand falls down from the feeding frame through swinging, and the screening effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fine sand recovery, in particular to a fine sand recovery device for commercial concrete. Background Art

[0002] The fine sand recovery machine uses a series of equipment processes such as slurry pumps, cyclones, vibrating screens, etc. to separate the soil, stone powder, water and fine sand in the mud wastewater and gather and recover the fine sand to achieve the purpose, improve the sand production quality and increase the economic benefits of the enterprise. The current fine sand recovery device mainly includes return plates and screens, etc., and secondly includes vibrators and return plates. The process is to place the fine sand on the top return plate, bring the fine sand to the screen through water flow, enter the top of the top classification screen for screening, and the screened fine sand and water enter the second layer of return plate, and then are guided by the return plate to the top of the second layer of classification screen for screening.

[0003] In the existing fine sand recovery device, when recycling, its top collecting frame collects the fine sand raw materials and drops them into the recovery box for recycling. However, the sand falling point of the collecting frame into the recovery box is fixed, so that the sand will accumulate in one place, affecting the sorting of the sand. Therefore, a fine sand recovery device for commercial concrete is proposed. Utility Model Content

[0004] The utility model aims to provide a fine sand recovery device for commercial concrete to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fine sand recovery device for commercial concrete comprises: a recovery box, a feed frame is arranged on the top of the recovery box, a movable mechanism is arranged on the recovery box for adjusting the swing of the feed frame, and a toggle mechanism is arranged in the feed frame for toggling the raw materials in the feed frame; the movable mechanism comprises: a slider and a connecting rod, the front and back sides of the recovery box are respectively provided with slide grooves, and three sliders and three connecting rods are each provided, three sliders are respectively slidably connected in the slide grooves, one end of the three connecting rods is respectively fixedly connected to the slider, and the other end is fixedly connected to the outer wall of the feed frame.

[0007] Preferably, the movable mechanism also includes: a rack, a gear, a motor and a mounting plate, the top of the rack is fixedly connected to the bottom of the two right connecting rods, the mounting plate is fixedly connected to the outer wall of the recycling box by bolts, the motor is fixedly connected to the inner side of the mounting plate, the gear is fixedly sleeved on the output end of the motor, and the gear is meshed with the rack, the raw material sand for concrete preparation is put into the feed frame, and is sorted by falling into the recycling box, at this time, by starting the motor and driving the gear to rotate, the rack will be driven to move, and then the feed frame will be pushed to one side, and through the through hole at the bottom of the feed frame, it will drop to the first screening plate and the second screening plate in turn for sorting, and at the same time, by rotating the motor in the opposite direction and controlling the gear to rotate in the opposite direction, the feed frame can be pushed to move in the opposite direction, so that the sand in the feed frame is evenly dropped onto the first screening plate for sorting, avoiding accumulation on the top and affecting the sorting efficiency.

[0008] Preferably, the toggle mechanism includes: a connecting plate, a fixed plate, a movable rod, a lifting plate, a spring and a toggle block, the connecting plate is fixedly connected to the top of the mounting plate, the fixed plate is fixedly connected to the top of the connecting plate, the movable rod is movably connected to the fixed plate, and the bottom is fixedly connected to the toggle block, the lifting plate is fixedly connected to the top of the movable rod, and the spring is sleeved on the outer wall of the movable rod, and the two ends are respectively connected to the bottom of the fixed plate and the lifting plate.

[0009] Preferably, two movable rods and springs are provided, through holes are opened on both sides of the fixed plate, and the two movable rods are movably connected in the through holes respectively, and the bottom of the lifting plate is fixedly connected to the tops of the two movable rods respectively.

[0010] Preferably, a rectangular through hole is provided in the middle of the shift block, an inclined groove is provided on the inner wall of the feed frame, and the bottom of the shift block is arc-shaped and contacts with the inclined groove of the feed frame.

[0011] Preferably, the inner wall of the recycling box is fixedly connected with an inclined first screening plate, a second screening plate and a blanking plate, and the inclined ends of the first screening plate, the second screening plate and the blanking plate are provided with discharge holes on the recycling box. During the left and right movement of the feed frame, the inclined hopper inside it is used to contact the shift block. At this time, the shift block will move with the inner wall of the feed frame, thereby generating up and down fluctuations, and the lifting plate is restricted by a spring so that it can fit tightly against the inclined inner wall of the feed frame, thereby achieving the purpose of shifting.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Through the coordinated use of the recovery box, feed frame, slider, connecting rod, rack, gear, motor, mounting plate, first screening plate, second screening plate and drop plate, the feed frame is driven to move left and right, and the sand inside is swung evenly and falls onto the first screening plate to prevent the sand from accumulating in one place and affecting the screening. The sand is then dropped from the feed frame by swinging, thereby improving the screening effect.

[0014] 2. Through the coordinated use of the connecting plate, the fixed plate, the movable rod, the lifting plate, the spring and the shifting block, the feed frame is moved to squeeze the shifting block to make contact inside it, and the sand in the feed frame is shifted, thereby preventing the feed frame from being blocked and improving the blanking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0018] In the figure: 1. recycling box; 2. feeding frame; 3. movable mechanism; 31. slider; 32. connecting rod; 33. rack; 34. gear; 35. motor; 36. mounting plate; 4. toggle mechanism; 41. connecting plate; 42. fixing plate; 43. movable rod; 44. lifting plate; 45. spring; 46. shift block; 5. first screening plate; 6. second screening plate; 7. blanking plate. DETAILED DESCRIPTION

[0019] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] See also Figure 1-3An embodiment of the utility model is: a fine sand recovery device for commercial concrete, comprising: a recovery box 1, a feed frame 2 is arranged on the top of the recovery box 1, a movable mechanism 3 is arranged on the recovery box 1, which is used to adjust the swing of the feed frame 2, and a toggle mechanism 4 is arranged in the feed frame 2, which is used to toggle the raw materials in the feed frame 2; the movable mechanism 3 comprises: a slider 31 and a connecting rod 32, and the front and back sides of the recovery box 1 are respectively provided with slide grooves, and three sliders 31 and connecting rods 32 are each provided with three sliders 31, respectively slidably connected in the slide grooves, one end of the three connecting rods 32 is respectively fixedly connected to the slider 31, and the other end is fixedly connected to the outer wall of the feed frame 2.

[0021] The movable mechanism 3 also includes: a rack 33, a gear 34, a motor 35 and a mounting plate 36. The top of the rack 33 is fixedly connected to the bottom of the two right connecting rods 32. The mounting plate 36 is fixedly connected to the outer wall of the recovery box 1 by bolts. The motor 35 is fixedly connected to the inner side of the mounting plate 36. The gear 34 is fixedly sleeved on the output end of the motor 35, and the gear 34 is meshed with the rack 33 to drive the feed frame 2 to move left and right, and the sand inside it is evenly swung and falls onto the first screening plate 5 to prevent the sand from accumulating in one place and affecting the screening. The sand is then dropped from the feed frame by swinging, thereby improving the screening effect.

[0022] Working principle: the raw material sand for concrete preparation is put into the feed frame 2, and is sorted by dropping it into the recovery box 1. At this time, the motor 35 is started and the gear 34 is driven to rotate, which will drive the rack 33 to move, thereby pushing the feed frame 2 to move to one side, and passing through the through hole at the bottom of the feed frame 2 and dropping it to the first screening plate 5 and the second screening plate 6 in turn for sorting. At the same time, by rotating the motor 35 in the opposite direction and controlling the gear 34 to rotate in the opposite direction, the feed frame 2 can be pushed to move in the opposite direction, so that the sand in the feed frame 2 is evenly dropped onto the first screening plate 5 for sorting, thereby avoiding accumulation on the top and affecting the sorting efficiency.

[0023] See also Figure 1-3On the basis of the above embodiment, in another embodiment of the utility model, preferably, the toggle mechanism 4 includes: a connecting plate 41, a fixed plate 42, a movable rod 43, a lifting plate 44, a spring 45 and a toggle block 46, the connecting plate 41 is fixedly connected to the top of the mounting plate 36, the fixed plate 42 is fixedly connected to the top of the connecting plate 41, the movable rod 43 is movably connected to the fixed plate 42, and the bottom is fixedly connected to the toggle block 46, the lifting plate 44 is fixedly connected to the top of the movable rod 43, and the spring 45 is sleeved on the outer wall of the movable rod 43, and the two ends are respectively connected to the bottom of the fixed plate 42 and the lifting plate 44, the movable rod 43 and the spring 45 are provided with two, the two sides of the fixed plate 42 are provided with through holes, and the two movable rods 43 and the spring 45 are provided with two. The movable rods 43 are movably connected in the through holes respectively, the bottoms of the lifting plates 44 are fixedly connected to the tops of the two movable rods 43 respectively, a rectangular through hole is provided in the middle of the shift block 46, an inclined groove is provided on the inner wall of the feed frame 2, and the bottom of the shift block 46 is arc-shaped and contacts with the inclined groove of the feed frame 2, the inner wall of the recovery box 1 is fixedly connected with an inclined first screening plate 5, a second screening plate 6 and a blanking plate 7, and the inclined ends of the first screening plate 5, the second screening plate 6 and the blanking plate 7 are provided with discharge holes on the recovery box 1, and the feed frame 2 is moved to squeeze the shift block 46 to make contact therewith, and to shift the sand in the feed frame 2, thereby preventing the feed frame 2 from being blocked and improving the blanking effect.

[0024] Working principle: During the left and right movement of the feed frame 2, the inclined hopper inside it contacts the shifting block 46. At this time, the shifting block 46 will move along with the inner wall of the feed frame 2, thereby generating up and down fluctuations, and the lifting plate 44 will be restricted by the spring 45 so that it can fit tightly against the inclined inner wall of the feed frame 2, thereby achieving the purpose of shifting.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A fine sand recovery device for commercial concrete, comprising: A recycling box (1), characterized in that: a feed frame (2) is arranged on the top of the recycling box (1), a movable mechanism (3) is arranged on the recycling box (1) for adjusting the swing of the feed frame (2), and a toggle mechanism (4) is arranged inside the feed frame (2) for toggle the raw materials in the feed frame (2); The movable mechanism (3) comprises: a slider (31) and a connecting rod (32); the front and back sides of the recycling box (1) are respectively provided with a slide groove, and the slider (31) and the connecting rod (32) are each provided with three sliders (31), the three sliders (31) are respectively slidably connected in the slide grooves, one end of the three connecting rods (32) is respectively fixedly connected to the slider (31), and the other end is fixedly connected to the outer wall of the feed frame (2).

2. The fine sand recovery device for commercial concrete according to claim 1, characterized in that: The movable mechanism (3) further comprises: a rack (33), a gear (34), a motor (35) and a mounting plate (36); the top of the rack (33) is fixedly connected to the bottom of two right connecting rods (32); the mounting plate (36) is fixedly connected to the outer wall of the recovery box (1) by bolts; the motor (35) is fixedly connected to the inner side of the mounting plate (36); the gear (34) is fixedly sleeved on the output end of the motor (35), and the gear (34) is meshed with the rack (33).

3. The fine sand recovery device for commercial concrete according to claim 2, characterized in that: The toggle mechanism (4) comprises: a connecting plate (41), a fixed plate (42), a movable rod (43), a lifting plate (44), a spring (45) and a toggle block (46); the connecting plate (41) is fixedly connected to the top of the mounting plate (36); the fixed plate (42) is fixedly connected to the top of the connecting plate (41); the movable rod (43) is movably connected to the fixed plate (42), and the bottom is fixedly connected to the toggle block (46); the lifting plate (44) is fixedly connected to the top of the movable rod (43); the spring (45) is sleeved on the outer wall of the movable rod (43), and the two ends are respectively connected to the bottom of the fixed plate (42) and the lifting plate (44).

4. The fine sand recovery device for commercial concrete according to claim 3, characterized in that: Two movable rods (43) and two springs (45) are provided, through holes are provided on both sides of the fixed plate (42), and the two movable rods (43) are movably connected in the through holes respectively, and the bottom of the lifting plate (44) is fixedly connected to the tops of the two movable rods (43) respectively.

5. The fine sand recovery device for commercial concrete according to claim 3, characterized in that: A rectangular through hole is provided in the middle of the shift block (46), an inclined groove is provided on the inner wall of the feed frame (2), and the bottom of the shift block (46) is in an arc shape and contacts the inclined groove of the feed frame (2).

6. The fine sand recovery device for commercial concrete according to claim 1, characterized in that: The inner wall of the recovery box (1) is fixedly connected with a first screening plate (5), a second screening plate (6) and a blanking plate (7) which are arranged in an inclined manner, and discharge holes are provided on the recovery box (1) at the inclined ends of the first screening plate (5), the second screening plate (6) and the blanking plate (7).

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