A discharge mechanism for a fully automatic intelligent screening and weighing device for soil and rock materials

Abstract

This utility model discloses a discharge mechanism for a fully automatic intelligent screening and weighing device for soil and rock materials. It includes a vibrating screen disc, which comprises a cylinder and a screen body slidably connected to the cylinder. The discharge mechanism includes two first elastic elements connected between the screen body and the cylinder. A magnetic adsorption mechanism is also adapted between the screen body and the cylinder. When soil and rock materials need to be discharged from the vibrating screen disc, the disc is lifted so that its bottom is suspended, and then the magnetic adsorption mechanism is controlled to release the screen body. Under the action of gravity, the soil and rock materials cause both first elastic elements to stretch. Due to the different stiffness coefficients of the two first elastic elements, the screen body is driven to tilt, especially towards the side of the first elastic element with the lower stiffness coefficient. At this time, a discharge port for the soil and rock materials to slide out is formed between the screen body and the cylinder. Compared with the prior art, this utility model achieves automatic discharge from the bottom of the vibrating screen disc, making the discharge more convenient and automatic.

Description

Technical Field

[0001] This utility model relates to the field of soil and rock screening technology, and in particular, to a discharge mechanism for a fully automatic intelligent screening and weighing device for soil and rock. Background Technology

[0002] Vibrating screens typically consist of multiple layers of vibrating screens arranged from top to bottom. The screen mesh size gradually decreases from top to bottom. Material is fed into the top layer and is screened layer by layer by the drive of the vibrating motor, thus screening out material of the corresponding particle size in each layer of the vibrating screen.

[0003] Currently, the vibrating screen disc of a vibrating screen machine is usually a simple disc structure. For example, when pouring out the material in the vibrating screen disc, the entire disc needs to be flipped over, which causes inconvenience in unloading and is not conducive to achieving automated unloading of the vibrating screen disc. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a discharge mechanism for a fully automatic intelligent screening and weighing device for soil and stone materials.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A fully automatic intelligent screening and weighing device for soil and rock materials includes a vibrating screen disc, characterized in that: the vibrating screen disc includes a cylinder and a screen body slidably connected to the cylinder; the unloading mechanism includes a first elastic element connected between the screen body and the cylinder; there are two opposing first elastic elements, and the stiffness coefficients of the two first elastic elements are different; a magnetic adsorption mechanism is also adapted between the screen body and the cylinder.

[0007] Preferably, the first elastic element includes a spring.

[0008] Preferably, the magnetic adsorption mechanism includes an electromagnet.

[0009] Preferably, the screen body has protrusions on both sides, and the inner wall of the cylinder has corresponding grooves, with the protrusions slidingly fitting into the grooves.

[0010] Preferably, magnetic adsorption points are provided on the side wall of the sieve body.

[0011] Preferably, the top of the cylinder is provided with a top block. When the vibrating screens overlap, the top block abuts against the screen body located above and causes it to be locked into the corresponding cylinder.

[0012] Preferably, the top block is disposed corresponding to the groove.

[0013] The beneficial effects of this utility model are:

[0014] 1. When the soil and rocks in the vibrating screen need to be unloaded, the screen can be lifted so that its bottom is suspended in the air, and then the magnetic adsorption mechanism can be controlled to release the screen body. Under the action of gravity, the soil and rocks cause both first elastic elements to stretch. Due to the different stiffness coefficients of the two first elastic elements, the screen body will tilt, especially towards the side of the first elastic element with the lower stiffness coefficient. At this time, the screen body and the cylinder will form a discharge port for the soil and rocks to slide out. Compared with the prior art, this utility model realizes automatic unloading from the bottom of the vibrating screen, making unloading more convenient and automatic.

[0015] 2. The top block at the top of the screen body can drive the screen body to automatically adhere and fix itself to the cylinder when the two vibrating screen discs are stacked again, resulting in a high degree of automation.

[0016] 3. The combination of grooves and protrusions can improve the sliding stability of the screen body inside the cylinder. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0018] Figure 2 This is a schematic diagram of the structure when the embodiment is in the screening operation state;

[0019] Figure 3 This is a schematic diagram of the structure when the embodiment is in the unloading state;

[0020] Figure 4 This is a schematic diagram of the translational movable part;

[0021] Figure 5 This is a schematic diagram of the rotating movable part.

[0022] Figure 6 This is a schematic diagram of the unloading mechanism;

[0023] Figure 7 This is a structural diagram of the soil crushing mechanism and the material feeding mechanism;

[0024] Figure 8 This is a structural diagram showing the receiving state of the receiving plate;

[0025] Figure 9 This is a structural diagram showing the material arrangement of the receiving plate.

[0026] Reference numerals: 1. Frame; 2. Vibrating platform; 3. Connecting seat; 4. Vibrating screen plate; 5. Drive mechanism; 6. Weight sensor; 7. Unloading mechanism; 8. Discharge port; 9. Feeding mechanism; 10. Receiving plate; 11. Soil crushing mechanism; 12. Roller; 13. Installation mechanism; 14. Cylinder; 15. Screen body; 16. First elastic element; 17. Magnetic adsorption mechanism; 18. Vertical transfer component; 19. Horizontal transfer component; 20. Top plate; 21. Striking rod; 22. Second elastic element; 23. Drive rod; 24. Drive protrusion; 25. Abutment rod; 26. Belt drive mechanism; 27. Deflection part; 28. Drive part; 29. ​​Cable; 30. Drive wheel; 31. Movable part; 32. First chute; 33. Second chute; 34. Discharge hopper; 35. Top block. Detailed Implementation

[0027] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] like Figures 1 to 9 As shown, a discharge mechanism for a fully automatic intelligent screening and weighing device for soil and rock materials is described. First, refer to... Figure 1 , Figure 2 The system includes a frame 1 and a vibrating platform 2 mounted on the frame 1. A connecting seat 3 is also provided on the frame 1, and several vibrating screen discs 4 are vertically slidably connected to the connecting seat 3. For example, the vibrating screen discs 4 can move closer to or further away from the vibrating platform 2 under the drive of the driving mechanism 5. When screening is required, the several vibrating screen discs 4 can be placed downwards on the vibrating platform 2, and then the soil and stone material is placed on the topmost vibrating screen disc 4. Under the vibration force of the vibrating platform 2, the soil and stone material will be distributed into multiple different particle sizes from top to bottom within the multiple vibrating screen discs 4 according to the size of the mesh of the vibrating screen discs 4.

[0029] For example, see Figure 4 The drive mechanism 5 can be a drive wheel 30 that actively rotates to move the vibrating screen plate 4. Alternatively, the drive mechanism 5 can also be a pull rope (not shown) connected to each vibrating screen plate 4, which raises or lowers the vibrating screen plate 4 by winding or unwinding the pull rope. In possible examples, the movement of the vibrating screen plate 4 can also be driven by a linear module, electric cylinder, etc.

[0030] A weight sensor 6 is preferably fitted onto the vibrating platform 2, which can detect the weight of the vibrating screen 4 placed on the vibrating platform 2. For example, the weight of each vibrating screen 4 can be predicted in advance. Before the screening operation, the controller can subtract the weight of the vibrating screen 4 itself from the weight measured by the weight sensor 6 to obtain the weight of the soil and stone material to be screened.

[0031] Additionally, see Figure 3 The frame 1 is also equipped with a feeding mechanism 9, and the bottom of the vibrating screen 4 is also adapted to be equipped with a discharge mechanism 7. The discharge mechanism 7 is specifically adapted to form an openable and closable discharge port 8 at the bottom of the vibrating screen 4, and the feeding mechanism 9 includes at least a receiving plate 10 adapted to extend between two adjacent vibrating screens 4.

[0032] After the screening operation is completed, under the control of the controller, the top vibrating screen plate 4 can be lifted upwards, and then the receiving plate 10 extends below the vibrating screen plate 4; the unloading mechanism 7 opens the discharge port 8 to allow the soil and stone to be discharged into the receiving plate 10; then the vibrating screen plate 4 is controlled to be lowered again, and the weight of the discharged soil and stone is obtained according to the difference measured by the weight sensor 6. Similarly, the two top vibrating screen plates 4 can be controlled to be lifted simultaneously, and after unloading, the two vibrating screen plates 4 are controlled to be lowered again. At this time, the difference measured by the weight sensor 6 is the weight of the soil and stone discharged from the second vibrating screen plate 4; this process is repeated to obtain the weight of the soil and stone in each vibrating screen plate 4, and finally the gradation of the batch of soil and stone is obtained.

[0033] The controller can record the weight difference measured by the weight sensor 6 each time, and then analyze and display the weight of the material on each vibrating screen 4 through the control system on terminals such as display screens and mobile phones, so that operators can more intuitively and intelligently know the gradation of soil and stone materials.

[0034] See Figure 4 , Figure 5 In some embodiments, the connecting seat 3 is provided with a plurality of movable parts 31, and each movable part 31 is constructed with a first sliding groove 32 and a second sliding groove 33. In the initial state, each of the above-mentioned vibrating screens 4 is slidably adapted to the track formed by the connection of a plurality of first sliding grooves 32. When a certain vibrating screen 4 is not needed, for example when the grade of the gradation of soil and stone needs to be adjusted, the corresponding movable part 31 can be controlled to move from the first position to the second position. During this period, the corresponding vibrating screen 4 will disengage from the track, and the corresponding second sliding groove 33 will re-engage with the track, thereby ensuring the integrity of the track and ensuring that the vibrating screen 4 located above can be smoothly lowered.

[0035] It is understood that in the second position described above, the corresponding vibrating screen disk 4 will be misaligned with the other vibrating screen disks 4 in axial projection, allowing the upper vibrating screen disk 4 to smoothly engage with the lower vibrating screen disk 4 along the track. See Figure 5 In a possible example, the connecting seat 3 is a column, and the movable part 31 can be sleeved on the column. The first slide groove 32 and the second slide groove 33 are distributed at a certain angle along the circumference. For example, the movable part 31 can rotate circumferentially under the drive of a motor or other rotational power, thereby causing the vibrating screen plate 4 to deflect and misalign along the circumference, and the second slide groove 33 to deflect and engage with the remaining first slide grooves 32.

[0036] See also Figure 4 In other examples, the connecting seat 3 may be generally plate-shaped, and several movable parts 31 are arranged side by side on the connecting seat 3, each movable part 31 being adapted to slide laterally, and the first slide groove 32 and the second slide groove 33 are distributed laterally at a certain distance. For example, the movable parts 31 may slide under the drive of linear power such as a linear module, electric cylinder or pneumatic cylinder, so as to cause the vibrating screen 4 to slide and misalign laterally, and the second slide groove 33 to move to match the remaining first slide grooves 32.

[0037] See Figure 7 In some embodiments, the receiving plate 10 is preferably also provided with a soil crushing mechanism 11, which is adapted to be able to strike the soil and stone material on the receiving plate 10, for example, to crush the expansive soil in the soil and stone material. In addition, the feeding mechanism 9 is also adapted to be able to move the receiving plate 10 upward, so that the crushed soil and stone material on the receiving plate 10 can be poured back into the vibrating screen 4. Subsequently, several vibrating screens 4 are controlled to perform screening operations again. Since the crushed expansive soil is relatively fine, the expansive soil will be screened to the bottom. At this time, only gravel will be screened into the vibrating screen 4. Finally, the gradation of gravel in this batch of soil and stone material can be obtained according to the same measurement method as above.

[0038] See Figure 6 In a specific example, the vibrating screen 4 may include a cylinder 14 and a screen body 15 slidably connected to the cylinder 14. A sliding seat may be provided on the side wall of the cylinder 14, and the sliding seat is specifically attached to the connecting seat 3 to achieve the sliding connection of the vibrating screen 4. The unloading mechanism 7 preferably includes a first elastic element 16 connected between the screen body 15 and the cylinder 14, and in particular, there are two opposing first elastic elements 16 with different stiffness coefficients. Furthermore, a magnetic adsorption mechanism 17 is also adapted between the screen body 15 and the cylinder 14.

[0039] With the magnetic adsorption mechanism 17 fixed in place, the screen body 15 can maintain its relative position within the cylinder 14, so as to maintain stability when the vibrating screen plate 4 performs the screening operation to complete the screening of soil and stone materials. When the vibrating screen plate 4 is lifted to unload the material, the magnetic adsorption mechanism 17 releases the fixation of the screen body 15. Under the action of gravity, the screen body 15 will tend to detach downward from the cylinder 14. At this time, both first elastic elements 16 will deform. Since the stiffness coefficients of the two first elastic elements 16 are different, the screen body 15 will tilt towards the side of the first elastic element 16 with the lower stiffness coefficient, thereby forming the discharge port 8. As the vibrating screen plate 4 is lowered again, the tilted screen body 15 will be pushed back to the horizontal state by the cylinder 14 below. At this time, the magnetic adsorption mechanism 17 will fix the screen body 15 again.

[0040] In a specific example, the magnetic adsorption mechanism 17 may include an electromagnet, and the sieve body 15 can be fixed and released by controlling the on and off of the electromagnet. For example, protrusions may be provided on both sides of the sieve body 15, and grooves may be correspondingly provided on the inner wall of the cylinder 14, with the protrusions fitting into the grooves, thereby improving the sliding stability of the sieve body 15 within the cylinder 14.

[0041] In a preferred example, a top block 35 may be provided on the top of the cylinder 14. When the vibrating screen 4 is lowered again, the bottom top block 35 can push the screen body 15 back to a horizontal state and drive the magnetic adsorption point on the protrusion to attract the electromagnet.

[0042] See Figure 3 , Figure 7 In some embodiments, the feeding mechanism 9 may include a vertical transfer component 18 and a horizontal transfer component 19 disposed on the vertical transfer component 18, while the receiving plate 10 is rotatably disposed on the moving end of the horizontal transfer component 19. For example, the vertical transfer component 18 may include a vertically arranged conveyor belt or a vertically arranged linear module, and the horizontal transfer component 19 may also adopt a similar structure, the only difference being that the transfer direction of the horizontal transfer component 19 is horizontal. A cylinder or electric cylinder may also be adapted and hinged between the moving end of the receiving plate 10 and the horizontal transfer component 19, so that the receiving plate 10 is driven to deflect at an angle by the ejection of the cylinder or electric cylinder. For example, the receiving plate 10 may deflect to an upwardly inclined receiving posture, a basically horizontal moving posture, or a downwardly inclined discharging posture.

[0043] Preferably, a discharge hopper 34 is provided on the receiving plate 10. When the vibrating screen 4 is unloading, the receiving plate 10 is in the receiving posture so that the opening of the discharge hopper 34 is opposite to the discharge port 8, so that the soil and stone material discharged from the vibrating screen 4 can fall into the discharge hopper 34 more smoothly. When refilling the vibrating screen 4, the receiving plate 10 is deflected to the discharge posture, so that the soil and stone material in the discharge hopper 34 can slide smoothly into the vibrating screen 4 under the action of gravity, and it is not easy for material residue to occur.

[0044] Each vertical transfer component 18 is equipped with a feeding mechanism 9 corresponding to each vibrating screen 4, so that several discharge hoppers 34 correspond one-to-one with several vibrating screens 4. Especially when screening and measuring crushed stone, the crushed stone discharged from the vibrating screen 4 can be put back into the original vibrating screen 4 during the operation of the corresponding discharge hopper 34, thereby improving the efficiency of crushed stone gradation screening. For example, at this time, it is only necessary to vibrate and screen the crushed expansive soil to the bottom.

[0045] In the preferred configuration, the vertical transfer component 18 is preferably a conveyor belt, which can drive several feeding mechanisms 9 to transfer upwards simultaneously, thereby improving work efficiency.

[0046] In some embodiments, the soil-crushing mechanism 11 may include a top ejector plate 20 disposed on top of the discharge hopper 34. The top ejector plate 20 is also positioned above the receiving plate 10, and is adapted to be ejected towards one side of the receiving plate 10. For example, a plurality of striking rods 21 may be disposed on the bottom surface of the top ejector plate 20. It is conceivable that as the top ejector plate 20 is ejected, the striking rods 21 will strike the soil and rock material on the receiving plate 10, thereby crushing the expansive soil.

[0047] In a preferred embodiment, the ejection of the ejector plate 20 can be achieved by an electric cylinder or a pneumatic cylinder. Alternatively, a second elastic element 22 can be provided between the ejector plate 20 and the discharge hopper 34, and a drive rod 23 can be provided on the fixed end of the transverse transfer component 19. The drive rod 23 has a plurality of drive protrusions 24 arranged axially on its bottom surface, while an abutment rod 25 is provided on the top surface of the ejector plate 20.

[0048] When the receiving plate 10 receives soil and stone material and detaches from the vibrating screen plate 4, the receiving plate 10 can deflect to a horizontal moving posture. During this period, several driving protrusions 24 will abut against the abutting rod 25 in sequence. The abutting rod 25 will drive the ejector plate 20 to be ejected under the push of the driving protrusions 24. The second elastic member 22 will reset the ejector plate 20 upward through elastic restoring force when the abutting rod 25 and the driving protrusions 24 are misaligned.

[0049] Similarly, when the receiving plate 10 is laterally transferred into the vibrating screen 4, the ejector plate 20 will also bounce out as described above. In this configuration, the ejection of the ejector plate 20 does not require an additional power device, and during the two strokes of the receiving plate 10 being pulled out and inserted into the vibrating screen 4, the ejector plate 20 will drive the striking rod 21 to be ejected to strike and break up the soil and rocks.

[0050] In a preferred embodiment, the drive rod 23 is also pivotally connected to the fixed end of the lateral transfer member 19, allowing the drive rod 23 to deflect in a similar manner to the receiving plate 10. More specifically, a belt drive mechanism 26 is also provided on the fixed end of the lateral transfer member 19, and the shaft of the drive rod 23 is coupled to the belt drive mechanism 26. For example, a connecting pulley that engages with the belt body of the belt drive mechanism 26 may be provided on the shaft of the drive rod 23; a drive wheel 30 is provided on the shaft of the receiving plate 10.

[0051] See Figure 8 , Figure 9 Before the receiving plate 10 is laterally transferred to the receiving or discharging position, the drive wheel 30 gradually approaches the belt of the belt drive mechanism 26; and especially when the receiving plate 10 is laterally transferred to the discharging position, the drive wheel 30 couples with the belt of the belt drive mechanism 26. Before describing the operation of the belt drive mechanism 26, the specific structure of the drive rod 23 needs to be introduced. The drive rod 23 specifically includes a deflection part 27 and a drive part 28 that is slidably adapted to the deflection part 27, wherein the connecting wheel is disposed on the shaft of the deflection part 27, and the aforementioned driving protrusions 24 are disposed on the bottom surface of the drive part 28. Furthermore, a cable 29 is connected between the drive part 28 and the shaft of the drive rod 23, and the cable 29 is wound up and disposed on the shaft of the drive rod 23.

[0052] When the receiving plate 10 reaches the discharge position, it will deflect to the discharge posture under the ejection of the cylinder or electric cylinder. At this time, the drive wheel 30 will drive the belt to generate transmission, so that the drive rod 23 and the receiving plate 10 will deflect synchronously. At the same time, the cable 29 will extend from the shaft of the drive rod 23. At this time, the drive part 28 will no longer be pulled by the cable 29 and will slide out from the deflection part 27. That is, the drive part 28 will move relative to the abutment rod 25. The sliding drive part 28 will drive several drive protrusions 24 to push the abutment rod 25 and the ejector plate 20 to be ejected. Thus, the ejector plate 20 can strike the receiving plate 10 in the discharge posture, making it less likely for material residue to appear on the receiving plate 10.

[0053] After the material is discharged, the receiving plate 10 deflects back to a horizontal position, and then, driven by the belt, the drive rod 23 swings back to its original position. At the same time, the cable 29 rewinds onto the shaft of the drive rod 23, so that the drive unit 28 is pulled back into the deflection unit 27, ready for the next ejection action.

[0054] In some embodiments, the bottom of the frame 1 is provided with lockable rollers 12, which facilitate the movement of the present invention to different scenarios for screening and weighing soil and rock materials. In other examples, the side wall of the frame 1 is also provided with a mounting mechanism 13 for attachment to a vehicle. For example, the mounting mechanism 13 can be a fastening seat, and the present invention is attached to the vehicle by screwing fastening bolts on the fastening seat into threaded mounting holes reserved on the vehicle body. In this way, the present invention can be transported in a vehicle-mounted manner between different scenarios for screening and weighing soil and rock materials.

[0055] Working principle:

[0056] Unloading mechanism: Under the fixation of the magnetic adsorption mechanism 17, the screen body 15 can maintain its relative position within the cylinder 14, so as to maintain stability when the vibrating screen plate 4 performs screening operations to complete the screening of soil and stone materials; when the vibrating screen plate 4 is lifted to unload, the magnetic adsorption mechanism 17 releases the fixation of the screen body 15. Under the action of gravity, the screen body 15 will tend to detach downward from the cylinder 14. At this time, both first elastic elements 16 will deform; and since the stiffness coefficients of the two first elastic elements 16 are different, the screen body 15 will tilt towards the side of the first elastic element 16 with the lower stiffness coefficient, thereby forming the discharge port 8; as the vibrating screen plate 4 is lowered again, the tilted screen body 15 will be pushed back to the horizontal state by the cylinder 14 below. At this time, the magnetic adsorption mechanism 17 will fix the screen body 15 again.

[0057] For example, the magnetic adsorption mechanism 17 can automatically switch on and off in response to the controller, thereby automatically opening the discharge port 8 and realizing automated and intelligent unloading.

[0058] Feeding mechanism: The receiving plate 10 in the feeding mechanism 9 can change its vertical and horizontal positions under the drive of the vertical transfer component 18 and the horizontal transfer component 19. The receiving plate 10 can also deflect under the drive of the cylinder or electric cylinder, thereby realizing the switching between receiving posture and discharging posture.

[0059] Soil-crushing mechanism: When the receiving plate 10 receives soil and stone and detaches from the vibrating screen 4, the receiving plate 10 can deflect to a horizontal moving posture. During this process, several driving protrusions 24 will sequentially abut against the abutting rods 25 in the soil-crushing mechanism. The abutting rods 25, pushed by the driving protrusions 24, will cause the ejector plate 20 to be ejected. The second elastic member 22 will reset the ejector plate 20 upward through elastic restoring force when the abutting rods 25 and the driving protrusions 24 are misaligned. Similarly, when the receiving plate 10 is laterally transferred into the vibrating screen 4, the ejector plate 20 will also bounce out as described above. In this configuration, the ejection of the ejector plate 20 does not rely on an additional power device, and during the two strokes of the receiving plate 10 being pulled out and inserted into the vibrating screen 4, the ejector plate 20 will drive the striking rod 21 to be ejected to strike and crush the soil and stone.

[0060] The following is an illustrative working process of this disclosure:

[0061] 1. Select the required vibrating screen discs to overlap downwards according to the screening and grading design requirements;

[0062] 2. Place the soil and stone material to be screened and weighed into the top vibrating screen plate 4;

[0063] 3. After screening, lift the vibrating screen 4 and discharge the soil and stone into the receiving plate 10, which is in the receiving posture, through the unloading mechanism.

[0064] For example, the vibrator (not shown) on the screen body 15 can also drive the soil and rocks to be vibrated from the screen body 15 so that they can be discharged more fully and without any leakage;

[0065] 4. As the receiving plate 10 moves laterally, the crushing mechanism automatically breaks up the expansive soil in the soil and rock material. If secondary screening is not required, the receiving plate 10 can be controlled to enter the discharge posture to directly discharge the material. If gradation screening of the crushed stone in the soil and rock material is required, the lateral movement of the receiving plate 10 is executed. When the expansive soil is crushed, the embedded crushed stone is exposed, thereby achieving the separation of crushed stone and expansive soil.

[0066] 5. The discharged soil and stone materials are fed back into the vibrating screen 4 for secondary screening through the feeding mechanism, and finally the gradation screening and weighing of crushed stone is achieved.

[0067] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. A soil and rock material full-automatic intelligent screening and weighing device unloading mechanism, comprising a vibrating screen disc (4), characterized in that: The vibrating screen (4) includes a cylinder (14) and a screen body (15) slidably connected inside the cylinder (14). The unloading mechanism (7) includes a first elastic element (16) connected between the screen body (15) and the cylinder (14). There are two opposing first elastic elements (16), and the stiffness coefficients of the two first elastic elements (16) are different. A magnetic adsorption mechanism (17) is also adapted between the screen body (15) and the cylinder (14).

2. The soil and rock full-automatic intelligent screening and weighing device unloading mechanism according to claim 1, characterized in that: The first elastic element (16) includes a spring.

3. The soil and rock full-automatic intelligent screening and weighing device unloading mechanism according to claim 1, characterized in that: The magnetic adsorption mechanism (17) includes an electromagnet.

4. The soil and rock full-automatic intelligent screening and weighing device unloading mechanism according to claim 1 or 3, characterized in that: The screen body (15) has protrusions on both sides, and the inner wall of the cylinder (14) has corresponding grooves, with the protrusions slidingly fitting into the grooves.

5. The full-automatic intelligent screening and weighing device for earth and stone materials according to claim 3, characterized in that: Magnetic adsorption points are provided on the side wall of the sieve body (15).

6. The soil and rock full-automatic intelligent screening and metering device according to claim 4, characterized in that: The top of the cylinder (14) is provided with a top block (35). When the vibrating screen (4) overlaps, the top block (35) abuts against the screen body (15) located above and makes it snap into the corresponding cylinder (14).

7. The unloading mechanism for the fully automatic intelligent screening and weighing device for soil and rock materials according to claim 6, characterized in that: The top block (35) is configured to correspond to the groove.

Images