Fine sand recovery device for building construction solid waste regeneration treatment

Abstract

The invention relates to a fine sand recovery device for building construction solid waste regeneration treatment, and belongs to the technical field of solid waste regeneration treatment, the fine sand recovery device comprises a connecting bin, a crushing bin is placed on the top surface of the connecting bin, and conveying grooves are formed in the opposite side surfaces of the connecting bin and the crushing bin; and a sorting assembly used for sorting solid waste is arranged in the connecting bin and comprises a partition plate, the partition plate is fixedly connected to the interior of the connecting bin, a screening bin with one end extending into the bottom conveying groove is placed on the top face of the partition plate, and two positioning grooves are formed in the top face of the partition plate. According to the fine sand recycling device for building construction solid waste regeneration treatment, crushed solid waste is screened under the action of a screening bin and a filter screen, fine sand in the solid waste is conveniently recycled, the use effect is improved, meanwhile, crushed materials are stirred through rotation of a mounting rod and an electromagnetic rod, the screening efficiency is improved, and operation of workers is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of solid waste recycling and treatment, in particular to a fine sand recovery device for construction solid waste recycling and treatment. Background Art

[0002] Solid waste refers to solid and semi-solid waste materials generated by humans in production, consumption, life and other activities. In layman's terms, it is garbage, mainly including solid particles, garbage, slag, sludge and discarded products. Solid waste in construction includes materials such as stone, wood and steel.

[0003] Announcement No. CN115487892B discloses a separation-based construction solid waste recycling equipment and recycling method. The patent discloses a technical solution with convenient protection and improved processing efficiency, which solves the existing construction solid waste treatment method, which often adopts the method of hammering or direct crushing with stone. The direct crushing method is fast, but requires the collection of steel at a later stage, and the steel will damage the stone crushing device during the crushing process. The use of hammering is labor-intensive and the broken stones will burst and attack the staff, causing injuries to the staff, and the processing speed is too slow.

[0004] When the device is in use, the cooperation between the upper pressure plate and the extrusion shell can conveniently crush the construction solid waste. However, after the solid waste is crushed into particles, it is not convenient to recover the fine sand in the stones, which reduces the use effect. Therefore, a fine sand recovery device for construction solid waste regeneration and treatment is proposed to solve the above problem. Summary of the Invention

[0005] In response to the shortcomings of the existing technology, the present invention provides a fine sand recovery device for construction solid waste regeneration and treatment, which has the advantage of convenient recycling and solves the problem that the existing construction solid waste recycling equipment is not convenient for recovering fine sand in stones, thereby reducing the use effect.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A fine sand recovery device for regenerating and processing solid waste from construction includes a connecting bin, a crushing bin is placed on the top surface of the connecting bin, a conveying trough is provided on the opposite side of the connecting bin and the crushing bin, and a sorting component for sorting solid waste is provided inside the connecting bin.

[0008] The cam is fixedly mounted on the bottom of the gear train and has a first end fixedly mounted on the gear train, the second end of the first gear is fixedly mounted on the gear train, and the second end of the first gear is fixedly mounted on the gear train.

[0009] The crushing bin is provided with a crushing assembly for crushing solid waste.

[0010] The connecting bin is provided with a fixing assembly for fixing the crushing bin.

[0011] Furthermore, the connecting bin and the crushing bin are both shaped like hollow cuboids, the two conveying troughs are connected, the multiple electromagnetic rods are all located inside the screening bin, and the mounting rod is shaped like a cylinder with a hollow interior and a missing bottom surface.

[0012] Furthermore, the screening bin is shaped like a cylinder with a hollow interior and a missing top surface, the mounting rod is rotatably connected to the screening bin via a bearing, the positioning plate fits in the positioning groove, and the two discharge troughs are both located on top of the partition.

[0013] Furthermore, the crushing assembly includes a fixed plate, which is fixedly connected to the interior of the crushing bin, a feed chute is provided on the left side of the crushing bin, two hydraulic push rods are fixedly installed on the top surface of the crushing bin, the output ends of the two hydraulic push rods both pass through the crushing bin and extend into the interior thereof, a drive plate is fixedly connected between the output ends of the two hydraulic push rods, a plurality of crushing nails are fixedly connected to the bottom surface of the drive plate, a plurality of discharge chutes are provided on the top surface of the fixed plate, two guide plates are fixedly connected to the bottom surface of the fixed plate, two second motors are fixedly installed on the back side of the crushing bin, the output shafts of the two second motors are fixedly connected to a drive rod with one end passing through the crushing bin and extending into the interior thereof, crushing rollers are fixedly sleeved on the outer peripheral walls of the two drive rods, a mounting plate is fixedly connected between the guide plate on the left and the crushing bin, an electric push rod is fixedly installed on the left side of the mounting plate, a slot is provided on the left side of the mounting plate, and the output end of the electric push rod is fixedly connected to a push plate with one end passing through the slot and extending to the right side of the mounting plate.

[0014] Furthermore, the push plate and the card slot are slidably connected, the two crushing rollers are both located inside the crushing bin, and the crushing rollers are located at the bottom of the guide plate.

[0015] Furthermore, the guide plates are all inclined, the two guide plates are relatively distributed, the driving rod is rotatably connected to the crushing bin through a bearing, two through holes are opened on the top surface of the crushing bin, and the output ends of the two hydraulic push rods respectively pass through the two through holes and are clearance-matched with them.

[0016] The top surface of the screw rod is movably connected to a screw rod extending inside the rod, and the top surface of the screw rod is fixedly connected to a linkage plate, and the bottom surface of the clamping plate at the top is provided with a fixing groove, and the top surface of the linkage plate is fixedly connected to a limiting plate at the top of the clamping plate having one end passing through the fixing groove and extending to the top of the top clamping plate, and the right side of the connecting bin is provided with a sliding groove, and the left side of the linkage plate is fixedly connected to a sliding plate having one end extending to the inside of the sliding groove.

[0017] Furthermore, the limiting block and the limiting groove are slidably connected, the sliding plate and the sliding groove are slidably connected, and the limiting plate and the fixing groove are fitted together.

[0018] Furthermore, a threaded hole is provided on the top surface of the rotating rod, and the screw rod extends into the threaded hole and is threadedly connected thereto.

[0019] Compared with the prior art, the present invention provides a fine sand recovery device for construction solid waste regeneration and treatment, which has the following beneficial effects:

[0020] 1. The fine sand recovery device for construction solid waste recycling and treatment uses the screening bin and filter screen to screen the crushed solid waste, conveniently recover the fine sand in the solid waste, and improve the use effect. At the same time, the installation rod and the electromagnetic rod rotate to stir the crushed material, thereby improving the screening efficiency and facilitating the operation of the staff.

[0021] 2. The fine sand recovery device for construction solid waste recycling and treatment conveniently limits the screening bin through the fit between the positioning plate and the positioning groove, and drives the crushing bin to move through the sliding connection between the limit block and the limit groove, so as to conveniently clean the screening bin. At the same time, the crushing bin is fixed through the fit between the limit plate and the fixing groove, thereby improving the stability of the crushing bin. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0023] Figure 2 Schematic diagram of the internal structure of the present invention;

[0024] Figure 3 This is a partially enlarged schematic diagram of the internal structure of the mounting rod in the present invention;

[0025] Figure 4 For the present invention Figure 2 A schematic diagram of the structure of the middle part;

[0026] Figure 5 For the present invention Figure 2 A schematic diagram of the structure of middle B;

[0027] Figure 6 For the present invention Figure 2 A schematic diagram of the structure of middle B;

[0028] Figure 7 It is a schematic top view of the second motor in the structure of the present invention.

[0029] In the figure: 1 connecting bin, 2 crushing bin, 3 hydraulic push rod, 4 discharge chute, 5 electromagnetic rod, 6 baffle, 7 card plate, 8 rotating rod, 9 conveying chute, 10 connecting plate, 11 guide plate, 12 fixed plate, 13 discharge chute, 14 driving plate, 15 crushing roller, 16 driving rod, 17 mounting plate, 18 feeding chute, 19 electric push rod, 20 push plate, 21 limit slot, 22 limit block, 23 partition, 24 screening bin, 25 filter, 26 first motor, 27 driving bevel gear, 28 driven bevel gear, 29 mounting rod, 30 give way slot, 31 mounting hole, 32 fixed slot, 33 limit plate, 34 sliding plate, 35 sliding slot, 36 screw, 37 linkage plate, 38 card slot, 39 positioning slot, 40 positioning plate, 41 second motor, 42 crushing nail. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] See also Figures 1 to 7 In this embodiment, a fine sand recovery device for recycling construction solid waste includes a connecting bin 1, a crushing bin 2 is placed on the top surface of the connecting bin 1, a conveying trough 9 is provided on the opposite side of the connecting bin 1 and the crushing bin 2, and a sorting component for sorting solid waste is provided inside the connecting bin 1.

[0032] The sorting assembly includes a partition 23, which is fixedly connected to the interior of the connecting bin 1. A screening bin 24 with one end extending to the interior of the bottom conveying trough 9 is placed on the top surface of the partition 23. Two positioning grooves 39 are provided on the top surface of the partition 23. Two positioning plates 40 with one end extending to the interior of the positioning groove 39 are fixedly connected to the bottom surface of the screening bin 24. A clearance groove 30 is provided on the bottom surface of the partition 23. A first motor 26 is fixedly installed on the inner bottom wall of the connecting bin 1. A connecting plate 10 is fixedly connected to the interior of the screening bin 24. The bottom of the connecting plate 10 is fixedly connected to the bottom of the connecting plate 10. The surface is rotatably connected to a mounting rod 29 with one end passing through the screening bin 24 and the give way groove 30 and extending to the bottom of the partition 23 through a bearing. The left and right sides of the mounting rod 29 are fixedly connected to a plurality of electromagnetic rods 5 with one end extending into the interior thereof. A driven bevel gear 28 is fixedly installed on the outer peripheral wall of the mounting rod 29. The output shaft of the first motor 26 is fixedly connected to a driving bevel gear 27 meshing with the driven bevel gear 28. Two baffles 6 are fixedly connected to the bottom surface of the connecting plate 10. A discharge trough 4 is provided on the left and right sides of the crushing bin 2.

[0033] Among them, the connecting bin 1 and the crushing bin 2 are both shaped like hollow rectangles, the two conveying troughs 9 are connected, and multiple electromagnetic rods 5 are all located inside the screening bin 24. The mounting rod 29 is shaped like a cylinder with a hollow interior and a missing bottom surface, and the screening bin 24 is shaped like a cylinder with a hollow interior and a missing top surface. The mounting rod 29 is rotatably connected to the screening bin 24 through a bearing, the positioning plate 40 and the positioning groove 39 are fitted together, and the two discharge troughs 4 are both located on the top of the partition 23.

[0034] Specifically, the screening bin 24 is pushed, the screening bin 24 and the partition 23 are fitted together, and the positioning plate 40 is inserted into the interior of the positioning groove 39. Through the fit between the positioning plate 40 and the positioning groove 39, the screening bin 24 is restricted on the partition 23, and the crushed solid waste is pushed into the interior of the conveying trough 9. The solid waste enters the interior of the screening bin 24, and the first motor 26 is started. The output shaft of the first motor 26 drives the active bevel gear 27 to rotate, and through the engagement between the active bevel gear 27 and the driven bevel gear 28, the mounting rod 29 is driven to rotate, thereby rotating the electromagnetic rod 5 to stir the solid waste, and then filtering the fine sand through the filter screen 25. The fine sand passes through the discharge trough 4 and is discharged from the connecting bin 1, and the electromagnetic rod 5 is started. The metal solid waste in the crushed material is adsorbed by the electromagnetic rod 5.

[0035] It should be noted that the electromagnetic rod 5 is a conventional device known to the public in the prior art, and its specific structure and working principle will not be described in detail herein.

[0036] See also Figures 1 to 7 In this embodiment, a crushing assembly for crushing solid waste is provided on the crushing bin 2, and the crushing assembly includes a fixed plate 12, which is fixedly connected to the inside of the crushing bin 2. A feed chute 18 is provided on the left side of the crushing bin 2. Two hydraulic push rods 3 are fixedly installed on the top surface of the crushing bin 2. The output ends of the two hydraulic push rods 3 pass through the crushing bin 2 and extend into the inside thereof. A driving plate 14 is fixedly connected between the output ends of the two hydraulic push rods 3. A plurality of crushing nails 42 are fixedly connected to the bottom surface of the driving plate 14. A plurality of discharge chutes 13 are provided on the top surface of the fixed plate 12. The bottom surface of the fixed plate 12 is fixed Two guide plates 11 are connected, and two second motors 41 are fixedly installed on the back of the crushing bin 2. The output shafts of the two second motors 41 are fixedly connected to a drive rod 16 with one end passing through the crushing bin 2 and extending into the interior thereof. The outer peripheral walls of the two drive rods 16 are fixedly sleeved with crushing rollers 15. A mounting plate 17 is fixedly connected between the guide plate 11 and the crushing bin 2 on the left side, and an electric push rod 19 is fixedly installed on the left side of the mounting plate 17. A card slot 38 is provided on the left side of the mounting plate 17, and the output end of the electric push rod 19 is fixedly connected to a push plate 20 with one end passing through the card slot 38 and extending to the right side of the mounting plate 17.

[0037] Among them, the push plate 20 and the card slot 38 are slidingly connected, the two crushing rollers 15 are both located inside the crushing bin 2, the crushing rollers 15 are located at the bottom of the guide plate 11, the guide plates 11 are all inclined, and the two guide plates 11 are relatively distributed. The drive rod 16 is rotatably connected to the crushing bin 2 through a bearing. Two through holes are opened on the top surface of the crushing bin 2. The output ends of the two hydraulic push rods 3 respectively pass through the two through holes and are clearance-matched with them. The directions of the two drive rods 16 are opposite.

[0038] Specifically, the construction solid waste is put into the interior of the crushing bin 2, and the hydraulic push rod 3 is started. The hydraulic push rod 3 drives the drive plate 14 to reciprocate up and down, and the solid waste is crushed by the crushing nails 42. The solid waste passes through the discharge trough 13 and is located between the two crushing rollers 15. The second motor 41 is started, and the output shaft of the second motor 41 drives the drive rod 16 to rotate. The two drive rods 16 drive the two crushing rollers 15 to rotate relative to each other, grinding and crushing the solid waste. The electric push rod 19 is started, and the output end of the electric push rod 19 drives the push plate 20 to reciprocate left and right to push the crushed solid waste into the interior of the conveying trough 9.

[0039] It should be noted that the hydraulic push rod 3 and the electric push rod 19 are conventional devices known to the public in the prior art. Their specific structures and working principles will not be described in detail herein. The present application can ensure that the output ends of the two hydraulic push rods 3 extend and retract simultaneously by using a synchronization device such as a synchronization controller, thereby achieving synchronous operation. These synchronization devices are common and mature in the field of electric control, so they will not be described in detail in the specific embodiment.

[0040] See also Figures 1 to 7 The top surface of the connecting bin 1 is provided with a fixing assembly for fixing the crushing bin 2, and the fixing assembly includes a limit block 22, which is fixedly connected to the bottom surface of the crushing bin 2, and a limit slot 21 is provided on the top surface of the connecting bin 1. The limit block 22 extends to the inside of the limit slot 21. The right sides of the connecting bin 1 and the crushing bin 2 are fixedly connected to a card plate 7, and the top surface of the card plate 7 at the bottom is rotatably connected to a rotating rod 8 through a bearing. The top surface of the rotating rod 8 is movably connected to a screw 36 with one end extending into the inside thereof, and the top surface of the screw 36 is fixedly connected to a linkage plate 37. The bottom surface of the card plate 7 at the top is provided with a fixing slot 32, and the top surface of the linkage plate 37 is fixedly connected to a limit plate 33 at the top of the card plate 7 at the top, and a sliding slot 35 is provided on the right side of the connecting bin 1. The left side of the linkage plate 37 is fixedly connected to a sliding plate 34 with one end extending into the inside of the sliding slot 35.

[0041] Among them, the limit block 22 and the limit groove 21 are slidably connected, the sliding plate 34 and the sliding groove 35 are slidably connected, the limit plate 33 and the fixed groove 32 are fitted together, and a threaded hole is opened on the top surface of the rotating rod 8, and the screw 36 extends into the inside of the threaded hole and is threadedly connected thereto.

[0042] Specifically, push the crushing bin 2, and through the sliding connection between the limit block 22 and the limit slot 21, the crushing bin 2 moves to the right, so that the limit plate 33 and the fixed slot 32 are located on the same center line, and the rotating rod 8 is turned to rotate the rotating rod 8. Through the threaded connection between the rotating rod 8 and the screw 36 and the sliding connection between the sliding plate 34 and the sliding slot 35, the screw 36 drives the limit plate 33 to move upward through the linkage plate 37. The limit plate 33 passes through the fixed slot 32, and the crushing bin 2 is fixed to the connecting bin 1 through the fit between the limit plate 33 and the fixed slot 32.

[0043] The working principle of the above embodiment is:

[0044] The sieve 24 is pushed, the sieve 24 and the partition 23 fit together, the positioning plate 40 is inserted into the interior of the positioning groove 39, and the positioning plate 40 and the positioning groove 39 fit together, so that the sieve 24 is restricted on the partition 23, and the crushing chamber 2 is pushed. The sliding connection between the limit block 22 and the limit groove 21 makes the crushing chamber 2 move to the right, so that the limit plate 33 and the fixed groove 32 are located on the same center line, and the rotating rod 8 is rotated to make the rotating rod 8 rotate. The threaded connection between the rotating rod 8 and the screw 36 and the sliding connection between the sliding plate 34 and the sliding groove 35 make the screw 36 drive the limit plate 33 to move upward through the linkage plate 37, and the limit plate 33 passes through the fixed groove 32. The crushing chamber 2 is fixed on the connecting chamber 1 through the fit between the limit plate 33 and the fixed groove 32, and the construction solid waste is put into the interior of the crushing chamber 2. The hydraulic push rod 3 is started, and the hydraulic push rod 3 drives the driving plate 14 to reciprocate up and down, and the crushing nail 4 is crushed. 2 The solid waste is crushed. The solid waste passes through the discharge chute 13 and is located between the two crushing rollers 15. The second motor 41 is started, and the output shaft of the second motor 41 drives the driving rod 16 to rotate. The two driving rods 16 drive the two crushing rollers 15 to rotate relative to each other, grinding and crushing the solid waste. The electric push rod 19 is started, and the output end of the electric push rod 19 drives the push plate 20 to reciprocate left and right, pushing the crushed solid waste into the interior of the conveying chute 9. The solid waste enters the interior of the screening bin 24. The first motor 26 is started, and the output shaft of the first motor 26 drives the active bevel gear 27 to rotate. Through the engagement between the active bevel gear 27 and the driven bevel gear 28, the mounting rod 29 is driven to rotate, thereby causing the electromagnetic rod 5 to rotate, stirring the solid waste, and then filtering the fine sand through the filter screen 25. The fine sand passes through the discharge chute 4 and is discharged from the connecting bin 1. The electromagnetic rod 5 is started, and the metal solid waste in the crushed material is adsorbed by the electromagnetic rod 5.

[0045] The installation method, connection method or setting method disclosed in the embodiment are all common mechanical connection methods, and can be implemented as long as they can achieve their beneficial effects. In addition, the electrical components appearing in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Technicians in this field can control the electrical components through simple programming, and the existing disclosed power connection technology is also common knowledge in this field, so the specific structural composition and working principle will not be described in detail in this embodiment.

[0046] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0047] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A fine sand recovery device for construction solid waste regeneration and treatment, comprising a connecting chamber (1), characterized in that: A crushing bin (2) is placed on the top surface of the connecting bin (1), a conveying trough (9) is provided on the opposite side of the connecting bin (1) and the crushing bin (2), and a sorting component for sorting solid waste is provided inside the connecting bin (1); The sorting assembly includes a partition (23), the partition (23) is fixedly connected to the inside of the connecting bin (1), a screening bin (24) with one end extending to the inside of the bottom conveying trough (9) is placed on the top surface of the partition (23), two positioning grooves (39) are opened on the top surface of the partition (23), two positioning plates (40) with one end extending to the inside of the positioning groove (39) are fixedly connected to the bottom surface of the screening bin (24), a clearance groove (30) is opened on the bottom surface of the partition (23), a first motor (26) is fixedly installed on the inner bottom wall of the connecting bin (1), a connecting plate (10) is fixedly connected to the inside of the screening bin (24), and the connecting The bottom surface of the plate (10) is rotatably connected to a mounting rod (29) having one end penetrating the screening bin (24) and the clearance groove (30) and extending to the bottom of the partition (23) through a bearing. The left and right sides of the mounting rod (29) are fixedly connected to a plurality of electromagnetic rods (5) with one end extending into the inside thereof. A driven bevel gear (28) is fixedly installed on the outer peripheral wall of the mounting rod (29). The output shaft of the first motor (26) is fixedly connected to a driving bevel gear (27) meshing with the driven bevel gear (28). The bottom surface of the connecting plate (10) is fixedly connected to two baffles (6). The left and right sides of the crushing bin (2) are both provided with a discharge trough (4). The pulverizing bin (2) is provided with a pulverizing assembly for pulverizing solid waste, and the connecting bin (1) is provided with a fixing assembly for fixing the pulverizing bin (2).

2. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 1 is characterized by: The connecting bin (1) and the crushing bin (2) are both shaped like internally hollow rectangular parallelepipeds, the two conveying troughs (9) are connected, the plurality of electromagnetic rods (5) are all located inside the screening bin (24), and the mounting rod (29) is shaped like a cylinder with a hollow interior and a missing bottom surface.

3. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 1, characterized in that: The screening bin (24) is shaped like a cylinder with a hollow interior and a missing top surface. The mounting rod (29) is rotatably connected to the screening bin (24) via a bearing. The positioning plate (40) fits in the positioning groove (39). Both of the discharge grooves (4) are located on top of the partition (23).

4. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 1 is characterized by: The crushing assembly includes a fixed plate (12), the fixed plate (12) is fixedly connected to the inside of the crushing bin (2), a feed trough (18) is provided on the left side of the crushing bin (2), two hydraulic push rods (3) are fixedly installed on the top surface of the crushing bin (2), the output ends of the two hydraulic push rods (3) pass through the crushing bin (2) and extend into the inside thereof, a driving plate (14) is fixedly connected between the output ends of the two hydraulic push rods (3), a plurality of crushing nails (42) are fixedly connected to the bottom surface of the driving plate (14), a plurality of discharge troughs (13) are provided on the top surface of the fixed plate (12), and a plurality of guide plates (1 1), two second motors (41) are fixedly installed on the back of the crushing bin (2), the output shafts of the two second motors (41) are fixedly connected to a driving rod (16) having one end penetrating the crushing bin (2) and extending to the inside thereof, the outer peripheral walls of the two driving rods (16) are fixedly sleeved with a crushing roller (15), a mounting plate (6) is fixedly connected between the guide plate (11) and the crushing bin (2) on the left side, an electric push rod (19) is fixedly installed on the left side of the mounting plate (6), a card slot (38) is provided on the left side of the mounting plate (6), and the output end of the electric push rod (19) is fixedly connected to a push plate (20) having one end penetrating the card slot (38) and extending to the right side of the mounting plate (6).

5. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 4, characterized in that: The push plate (20) and the card slot (38) are slidably connected, and the two crushing rollers (15) are both located inside the crushing bin (2), and the crushing rollers (15) are located at the bottom of the guide plate (11).

6. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 4, characterized in that: The guide plates (11) are all inclined, and the two guide plates (11) are relatively distributed. The driving rod (16) is rotatably connected to the crushing bin (2) through a bearing. The top surface of the crushing bin (2) is provided with two through holes, and the output ends of the two hydraulic push rods (3) respectively pass through the two through holes and are clearance-matched therewith.

7. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 4, characterized in that: The fixing assembly comprises a limit block (22), the limit block (22) being fixedly connected to the bottom surface of the crushing bin (2), a limit slot (21) being provided on the top surface of the connecting bin (1), the limit block (22) extending into the interior of the limit slot (21), the right sides of the connecting bin (1) and the crushing bin (2) being fixedly connected to a clamping plate (7), the top surface of the clamping plate (7) at the bottom being rotatably connected to a rotating rod (8) via a bearing, the top surface of the rotating rod (8) being movably connected to a screw having one end extending into the interior thereof The top surface of the screw rod (36) is fixedly connected to a linkage plate (37), the bottom surface of the card plate (7) located at the top is provided with a fixing groove (32), the top surface of the linkage plate (37) is fixedly connected to a limit plate (33) at one end of which passes through the fixing groove (32) and extends to the top of the card plate (7), the right side of the connecting bin (1) is provided with a sliding groove (35), and the left side of the linkage plate (37) is fixedly connected to a sliding plate (34) at one end of which extends to the inside of the sliding groove (35).

8. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 7, characterized in that: The limiting block (22) and the limiting groove (21) are slidably connected, the sliding plate (34) and the sliding groove (35) are slidably connected, and the limiting plate (33) and the fixing groove (32) are fitted.

9. The fine sand recovery device for construction solid waste regeneration and treatment according to claim 7, characterized in that: A threaded hole is provided on the top surface of the rotating rod (8), and the screw rod (36) extends into the inside of the threaded hole and is threadedly connected thereto.

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