Push-pull type vibration sorting device

Abstract

The utility model relates to a push-pull type vibration sorting device which comprises a machine frame, a driving mechanism, a vibration exciter, a sieve tray mechanism and a plurality of sliding supporting assemblies. The driving mechanism and the sliding supporting assemblies are fixed to the rack. The sieve tray mechanism comprises a base, a plurality of rake rods, an upper sieve tray and a lower sieve tray, wherein the upper sieve tray and the lower sieve tray are fixed to the base and distributed up and down. The base is connected with the sliding supporting assembly in a sliding mode, the vibration exciter is fixed to the base, the rake rods are obliquely arranged in the upper sieve tray side by side, one end of each rake rod is fixed to one side plate of the upper sieve tray, the other end of each rake rod is close to a bottom plate of the upper sieve tray, and discharging ports are formed in the tail of the upper sieve tray and the tail of the lower sieve tray. The driving mechanism drives the sieve tray mechanism to move back and forth in the horizontal direction. The sieve tray has the advantages that small materials which are light in weight and cannot pass through the sieve holes can be exposed above the materials and can be quickly moved to the discharge hole of the sieve tray, and the sorting efficiency and the material analysis accuracy are improved.

Description

Technical Field

[0001] This utility model relates to the field of material sorting devices, and in particular to a push-pull type vibration sorting device. Background Technology

[0002] Most existing material screening devices use a drive mechanism to drive a vibrator, which forces the screen disc to vibrate. This vibration causes the material in the screen disc to shift, and materials that meet the specifications are separated through the screen holes. However, when it is necessary to separate metal objects such as nails, nuts, and small iron pieces from construction waste or tailings, these metal objects often have rough surfaces and are prone to getting entangled in fibrous material. When the screen disc vibrates, they cannot be separated through the screen holes. At the same time, the material is continuously poured into the screen disc via a conveyor belt, including some larger pieces. This results in small metal objects with entangled fibrous material being pressed to the bottom of the screen disc by the larger material, blocking the screen holes. Furthermore, due to their light weight, they cannot move from the bottom of the screen disc to the surface of the material through vibration. It is difficult to output these small metal objects with entangled fibrous material, making them difficult to collect and affecting the sorting efficiency.

[0003] Meanwhile, existing material screening devices only use vibration to separate materials that meet the specifications, while materials that do not meet the specifications cannot be quickly collected by vibration alone, resulting in a low degree of automation in the sorting process. Summary of the Invention

[0004] To address the aforementioned problems, the present invention aims to provide a push-pull vibrating sorting device that exposes lightweight materials that cannot pass through the screen holes above the material and allows them to move quickly to the discharge port of the screen plate, thereby improving sorting efficiency and material analysis accuracy.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A push-pull vibrating sorting device includes a frame, a drive mechanism, a vibrator, a screen plate mechanism, and multiple sliding support assemblies. The drive mechanism and each sliding support assembly are fixed to the frame. The screen plate mechanism includes a base, multiple rakes, and an upper screen plate and a lower screen plate fixed to the base. The base is slidably connected to the sliding support assemblies. The vibrator is fixed to the base. The rakes are arranged obliquely side by side inside the upper screen plate. One end of each rake is fixed to a side plate of the upper screen plate, and the other end is close to the bottom plate of the upper screen plate. The tail ends of the upper and lower screen plates are provided with discharge ports. The drive mechanism drives the screen plate mechanism to reciprocate in the horizontal direction.

[0007] More preferably, the sorting device further includes at least two assisting mechanisms, each of which is symmetrically arranged on both sides of the frame. Each assisting mechanism includes an upper fixed seat, an elastic element, and a lower fixed seat. The upper fixed seat is fixed to the lower bottom surface of the base and is fixedly connected to one end of the elastic element. The lower fixed seat is fixed above the frame and is fixedly connected to the other end of the elastic element. The upper fixed seat moves back and forth above the lower fixed seat under the elastic force of the elastic element.

[0008] More preferably, both the upper and lower screens are provided with discharge ports at their tail ends, and a baffle is provided on the bottom plate of the upper screen near the discharge port.

[0009] More preferably, the diameter of the sieve holes on the upper sieve plate is larger than the diameter of the sieve holes on the lower sieve plate.

[0010] More preferably, the drive mechanism includes a motor, a transmission wheel, an eccentric wheel, a coupling shaft, a flywheel, and a connecting rod. The transmission wheel and the flywheel are connected by a coupling shaft. The eccentric wheel is sleeved on the coupling shaft. The motor drives the transmission wheel to rotate, and the transmission wheel drives the eccentric wheel to rotate. One end of the connecting rod is movably sleeved with the eccentric wheel, and the other end is hinged to the base.

[0011] More preferably, each of the sliding support components is spaced apart on both sides of the frame. Each sliding support component includes a first roller and a vertical rod. One end of the vertical rod is vertically fixed to the frame, and the other end is equipped with the first roller. The first roller is slidably connected to the base.

[0012] This utility model has the following beneficial effects:

[0013] 1. This utility model relates to a push-pull type vibrating sorting device, which applies a horizontal reciprocating push-pull force to the screen plate mechanism through a drive mechanism, and causes the screen plate mechanism to vibrate through a vibrator, thereby improving the material sorting efficiency and sorting effect.

[0014] 2. This utility model discloses a push-pull type vibrating sorting device, in which multiple rakes are set in the screen plate mechanism. The rakes quickly separate the lighter small objects and place them on the surface of the material, so that they can be quickly output through the discharge port.

[0015] 3. This utility model provides a push-pull type vibrating sorting device. Through the assist mechanism, the drive mechanism can apply a uniform push-pull force to drive the screen plate mechanism to move back and forth quickly in the horizontal direction. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a top view of the present invention;

[0018] Figure 3 This is the left view of the present invention;

[0019] Figure 4 This is a schematic diagram of the assist mechanism of this utility model.

[0020] Explanation of reference numerals in the attached figures:

[0021] 10. Rack;

[0022] 20. Drive mechanism; 21. Transmission wheel; 22. Eccentric wheel; 23. Coupling; 24. Flywheel; 25. Connecting rod;

[0023] 30. Vibrator;

[0024] 40. Screening disc mechanism; 41. Base; 42. Rake rod; 43. Upper screening disc; 431. Side plate; 432. Bottom plate; 44. Lower screening disc; 45. Discharge port; 46. Baffle bar;

[0025] 50. Sliding support assembly; 51. First roller; 52. Upright pole;

[0026] 60. Assist mechanism; 61. Upper fixed seat; 62. Elastic element; 63. Lower fixed seat. Detailed Implementation

[0027] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0028] See Figures 1 to 3A push-pull vibratory sorting device includes a frame 10, a drive mechanism 20, a vibrator 30, a screen plate mechanism 40, and multiple sliding support assemblies 50. The drive mechanism 20 and each sliding support assembly 50 are fixed to the frame 10. The screen plate mechanism 40 includes a base 41, multiple rakes 42, and an upper screen plate 43 and a lower screen plate 44 fixed to the base 41. The base 41 is slidably connected to the sliding support assemblies 50. The vibrator 30 is fixed to the base 41. The rakes 42 are arranged obliquely side-by-side inside the upper screen plate 43. One end of each rake 42 is fixed to a side plate 431 of the upper screen plate 43, and the other end is close to the bottom plate 432 of the upper screen plate 43. Both the upper screen plate 43 and the lower screen plate 44 have discharge ports 45 at their tails. Preferably, the vibrator 30 abuts against the screen mechanism 40. After the vibrator 30 is powered on, it causes the material on the screen mechanism 40 to vibrate continuously, allowing materials that meet the specifications to be sorted through adjacent screen holes. Simultaneously, the drive mechanism 20 drives the screen mechanism 40 to move back and forth horizontally. Its function is as follows: when the drive mechanism 20 starts, it pushes the screen mechanism 40 forward, causing the material to move forward. When changing direction, the screen mechanism 40 stops moving forward and begins to move backward, but the material continues to move forward due to inertia. When the screen mechanism 40 is moving backward, the material still maintains a state of decelerating forward motion due to inertia until the forward speed reaches 0. At this point, the backward movement of the screen mechanism 40 approaches or stops. When the screen mechanism 40 changes direction again to move forward, it can again cause the material to continue moving forward. Therefore, the technical solution of this embodiment allows the material to move forward while being vibrated and screened, increasing the material's range of motion, enabling the material to be sorted, and significantly improving the material sorting efficiency. This invention also includes rakes 42 arranged side-by-side at intervals within the screen mechanism 40. When the material is conveyed to the sorting device via the conveyor belt, the material falls directly above the rakes 42, allowing small materials that meet the specifications to pass through the gaps between the rakes 42, while small materials with tangled flocculent material cannot fall. When the material falls into the screen mechanism 40 along the inclined rakes 42, it is exposed on the upper surface of the material. Then, under the push of the drive mechanism 20, it moves quickly to the discharge port 45 of the screen mechanism 40.

[0029] Since the material may contain a small amount of larger materials, these larger materials do not need to be collected. To prevent these larger materials from falling into the collection basket along with the lighter, tangled, smaller materials through the discharge port 45, this invention provides a baffle 46 on the bottom plate 432 of the upper screen plate 43 near the discharge port 45. This baffle blocks the larger materials, keeping them at the end of the upper screen plate 43, and allows for periodic cleaning.

[0030] This embodiment features a two-stage sorting system, where the diameter of the screen openings on the upper screen plate 43 is larger than that on the lower screen plate 44. The material to be collected is initially screened by the upper screen plate 43 and falls into the lower screen plate 44. However, smaller debris, such as dust, pebbles, and other small particles, also fall into the lower screen plate 44. These smaller particles in the lower screen plate 44 are then removed through the screen openings, allowing the smaller items to fall into the collection basket through the discharge port 45.

[0031] Because the force required to force the screen mechanism 40 to change direction is much greater than the force required to propel it forward, higher power requirements are placed on the drive mechanism 20 to enable it to perform high-frequency, repetitive reversible movements. Furthermore, the large variation in the force output by the drive mechanism 20 also places higher demands on its performance. Therefore, this invention incorporates an assist mechanism 60 to reduce the power requirements of the drive mechanism 20, enabling it to achieve high-frequency reciprocating motion of the screen mechanism 40 with lower power and a more constant output force. Please refer to [link / reference]. Figure 4 Specifically, the sorting device in this embodiment is provided with four assist mechanisms 60, each of which is symmetrically arranged on both sides of the frame 10. Each assist mechanism 60 includes an upper fixed seat 61, an elastic element 62, and a lower fixed seat 63. The upper fixed seat 61 is fixed to the lower bottom surface of the base 41 and is fixedly connected to one end of the elastic element 62. The lower fixed seat 63 is fixed above the frame 10 and is fixedly connected to the other end of the elastic element 62. The upper fixed seat 61 moves back and forth above the lower fixed seat 63 under the elastic force of the elastic element 62. When the drive mechanism 20 applies a forward pushing force to the screen plate mechanism 40, the elastic element 62 is gradually stretched or compressed, and the rebound force also increases continuously. When the screen plate mechanism 40 moves in the reverse direction, the rebound force of the elastic element 62 comes into play. The rebound force is superimposed on the backward pulling force output by the drive mechanism 20, causing the screen plate mechanism 40 to quickly reverse. With the combined action of multiple assist mechanisms 60, the drive mechanism 20 does not need to increase the pulling force, and the output of a stable constant force can also make the screen mechanism 40 move quickly in the reverse direction, reducing the power and performance requirements of the drive mechanism 20.

[0032] The drive mechanism 20 is a power mechanism equipped with an eccentric wheel 22, specifically including a motor (not shown), a transmission wheel 21, an eccentric wheel 22, a connecting shaft 23, a flywheel 24, and a connecting rod 25. The transmission wheel 21 and the flywheel 24 are connected via the connecting shaft 23. The eccentric wheel 22 is sleeved on the connecting shaft 23. The motor can be connected via a belt to drive the transmission wheel 21 to rotate, and the transmission wheel 21 drives the eccentric wheel 22 to rotate. One end of the connecting rod 25 is movably sleeved with the eccentric wheel 22, and the other end is hinged to the base 41. Under the action of the eccentric wheel 22, the connecting rod 25 moves back and forth, thereby driving the upper screen plate 43 and the lower screen plate 44 on the base 41 to move back and forth.

[0033] Each of the sliding support assemblies 50 is spaced apart on both sides of the frame 10. One embodiment of the sliding support assembly 50 includes a first roller 51 and a vertical rod 52. One end of the vertical rod 52 is vertically fixed to the frame 10, and the other end is fitted with the first roller 51. The first roller 51 is slidably connected to the base 41. The first roller 51 provides support and sliding for the base 41, and also serves to absorb shock.

[0034] The working principle of this sorting device is as follows: The material to be sorted is conveyed to the sorting device via a conveyor belt. Preferably, the material falls from above the rake bar 42. For smaller materials, they pass through the gap between the rake bars 42 and fall directly onto the upper screen plate 43. Under the combined action of the vibrator 30 and the drive mechanism 20, these materials are sorted by the upper screen plate 43 and fall into the lower screen plate 44. The lower screen plate 44 retains the small materials that need to be collected, and then enters the collection basket through the discharge port 45 of the lower screen plate 44. For smaller and larger materials, under the pushing and pulling force of the drive mechanism 20, they slide down the rake bar 42 into the upper screen plate 43. At this time, these materials fall on the surface of other materials. Under the combined action of the vibrator 30 and the drive mechanism 20, they move quickly to the discharge port 45. The baffle 46 keeps the unwanted large pieces of material on the upper screen plate 43, allowing only the small, tangled materials that need to be collected to fall into the collection basket through the discharge port 45.

[0035] This invention discloses a push-pull vibrating sorting device. A drive mechanism 20 applies a horizontal reciprocating push-pull force to a screen plate mechanism 40, while a vibrator 30 causes the screen plate mechanism 40 to vibrate, accelerating the material sorting speed. The upper screen plate 43 and lower screen plate 44, distributed vertically, improve material sorting accuracy. Simultaneously, the screen plate mechanism 40 is equipped with multiple rakes 42, which quickly separate lightweight small objects entangled with foreign matter, allowing them to fall onto the surface of the material and preventing them from being pressed to the bottom by the continuously falling material. This allows small objects entangled with foreign matter to be quickly output through the discharge port 45. This invention also includes an assist mechanism 60, enabling the drive mechanism 20 to move the screen plate mechanism 40 rapidly in a horizontal direction without requiring high power; the screen plate mechanism 40 can be driven to move rapidly in a horizontal direction by applying only a uniform push-pull force, resulting in more stable movement.

[0036] The above description is only a specific embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural transformations made based on the contents of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A push-pull type vibration sorting device, characterized in that: The device includes a frame, a drive mechanism, a vibrator, a screen plate mechanism, and multiple sliding support assemblies. The drive mechanism and each sliding support assembly are fixed to the frame. The screen plate mechanism includes a base, multiple rakes, and an upper screen plate and a lower screen plate fixed to the base. The base is slidably connected to the sliding support assemblies. The vibrator is fixed to the base. The rakes are arranged obliquely side by side inside the upper screen plate. One end of each rake is fixed to a side plate of the upper screen plate, and the other end is close to the bottom plate of the upper screen plate. The tail ends of the upper and lower screen plates are provided with discharge ports. The drive mechanism drives the screen plate mechanism to move back and forth in the horizontal direction.

2. The push-pull vibration sorting device according to claim 1, characterized in that: It also includes at least two assist mechanisms, each of which is symmetrically arranged on both sides of the frame. Each assist mechanism includes an upper fixed seat, an elastic element, and a lower fixed seat. The upper fixed seat is fixed to the lower bottom surface of the base and is fixedly connected to one end of the elastic element. The lower fixed seat is fixed above the frame and is fixedly connected to the other end of the elastic element. The upper fixed seat moves back and forth above the lower fixed seat under the elastic force of the elastic element.

3. The push-pull vibration sorting device according to claim 1, characterized in that: A baffle is provided on the bottom plate of the upper screen plate near the discharge port.

4. The push-pull vibration sorting device according to claim 1, characterized in that: The diameter of the sieve holes on the upper sieve plate is larger than the diameter of the sieve holes on the lower sieve plate.

5. A push-pull vibration sorting device according to claim 1, characterized in that: The drive mechanism includes a motor, a transmission wheel, an eccentric wheel, a connecting shaft, a flywheel, and a connecting rod. The transmission wheel and the flywheel are connected by a connecting shaft. The eccentric wheel is sleeved on the connecting shaft. The motor drives the transmission wheel to rotate, and the transmission wheel drives the eccentric wheel to rotate. One end of the connecting rod is movably sleeved with the eccentric wheel, and the other end is hinged to the base.

6. A push-pull vibration sorting device according to claim 1, characterized in that: Each of the sliding support components is spaced apart on both sides of the frame. Each sliding support component includes a first roller and a vertical rod. One end of the vertical rod is vertically fixed to the frame, and the other end is equipped with the first roller. The first roller is slidably connected to the base.

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