Raw material screening device for fluidized granulation

Abstract

The utility model relates to the technical field of raw material screening devices, in particular to a raw material screening device for fluidized granulation, which can improve the raw material screening effect, facilitate the separation of large-particle raw materials and particle raw materials with proper sizes, prevent the large-particle raw materials from being mixed with the raw materials with proper sizes, and improve the practicability. Comprising a box body, the bottom of the box body is in a hopper shape, the hopper-shaped bottom of the box body fixedly communicates with a discharging pipe, four sets of supporting legs are fixedly arranged at the bottom end of the box body, the bottom end of a screening box is evenly provided with a plurality of sets of screening holes in a communicating mode, the left end and the right end of the screening box are fixedly connected with connecting plates, and a discharging pipe fixedly communicates with a discharging opening; the middle of the transmission crankshaft is rotationally sleeved with a transmission strip plate, a connecting rod is arranged at the front end of the box body in a sliding mode, the rear end of the connecting rod is fixedly connected with the front end of the screening box, and a hinge seat is fixedly arranged at the front end of the connecting rod and hinged to the top end of the transmission strip plate.

Description

Technical Field

[0001] The utility model relates to the technical field of raw material screening devices, in particular to a raw material screening device for fluidized granulation. Background Art

[0002] Plastic granulation is a process of plastic mechanical processing. The raw materials used in fluidized bed granulation need to be pretreated to retain the raw materials of appropriate size and remove the large particles to avoid affecting the quality of subsequent granulation. Therefore, a raw material screening device is needed for plastic granulation production.

[0003] At present, the existing raw material screening devices for plastic granulation production on the market have some shortcomings during use. The raw material screening effect is not good, it is inconvenient to separate large-particle raw materials from raw materials of appropriate size, and it is easy to mix with raw materials of appropriate size, which is not practical enough. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a raw material screening device for fluidized granulation that can improve the raw material screening effect, facilitate the separation of large-particle raw materials from raw materials of appropriate size, avoid mixing large-particle raw materials with raw materials of appropriate size, and improve practicality.

[0005] Technical Solution

[0006] The hopper is fixedly provided with a plurality of support legs at the bottom end of the hopper, and the support legs are fixedly provided with a plurality of support legs at the bottom end of the hopper. The transmission mechanism is that axial link is fixed on the left side of the gear box, and the axial link is fixed on the gear box, and the axial link is screwed on the gear box, and the bottom end of the gear box is fixed on the gear box, and the axial link is screwed on the gear box. The bottom end of the gear box is fixed on the gear box, and the axial link is screwed on the gear box. The transmission mechanism includes a transmission crankshaft, the front end of the box body is symmetrically fixed with two sets of support plates, the transmission crankshaft is rotatably mounted on the two sets of support plates, the right end of the reciprocating screw rod and the right end of the transmission crankshaft are fixedly sleeved with pulleys, the two sets of pulleys are sleeved with transmission belts, the middle of the transmission crankshaft is rotated with a transmission strip plate, the front end of the box body is slidingly provided with a connecting rod, the rear end of the connecting rod is fixedly connected to the front end of the screening box, the front end of the connecting rod is fixedly provided with a hinge seat, and the hinge seat is hinged to the top end of the transmission strip plate.

[0007] Preferably, two groups of buffer springs are fixedly connected to both the front and rear ends of the screening box in a bilaterally symmetrical manner, and the outer sides of the four groups of buffer springs are fixedly connected to the inner wall of the box.

[0008] Preferably, a protective cover is detachably mounted on a group of support plates at the right end and the right side of the box body, and the protective cover is buckled on the pulley and the transmission belt.

[0009] Preferably, an observation window is fixedly provided on the top of the protective cover.

[0010] Preferably, anti-slip rubber pads are fixed to the bottom ends of the four groups of legs.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: when in use, the raw materials to be screened are added to the screening box, and then the motor is started. By starting the motor, the motor drives the reciprocating screw to rotate, so that the reciprocating screw drives the transmission plate to slide back and forth along the transverse guide rod, and the transmission plate drives the rubber paddle to reciprocate left and right inside the screening box to paddle the raw materials. The rubber paddle is made of flexible material, and the bottom end of the rubber paddle can contact the bottom end of the right side of the inside of the screening box. When the rubber paddle moves to the left, it will bend to adapt to the change of the inclined surface of the bottom of the screening box. When the reciprocating screw rotates, it drives the transmission crankshaft to rotate through the transmission of the pulley and the transmission belt, so that the rubber paddle drives the connecting rod to slide back and forth through the hinge of the transmission strip plate and the hinge seat, so that the connecting rod drives the screening box to move between the guide sleeve and the guide rod. The screen box swings back and forth under the guide, and the screening box drives the discharge pipe to move back and forth in the opening. The raw materials in the screening box are screened by the swing of the screening box. Under the action of the reciprocating sliding of the rubber plate, the raw materials of appropriate size fall through the screening hole to the bottom of the box and are then discharged through the discharge pipe. After screening, the lifting cylinder is started to lift the baffle to open the discharge port, so that the screened large-particle raw materials are discharged through the discharge pipe, realizing the screening of raw materials, and the large-particle raw materials and the raw materials of appropriate size are discharged separately. The continuous swing of the screening box and the reciprocating sliding of the rubber plate can improve the raw material screening effect, facilitate the separation of large-particle raw materials from the raw materials of appropriate size, avoid the mixing of large-particle raw materials and the raw materials of appropriate size, and improve practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an axonometric structural diagram of the present utility model;

[0013] Figure 2 This is a schematic diagram of the left axonometric structure of the present invention;

[0014] Figure 3 This is a schematic diagram of the axonometric structure of the utility model with the protective cover removed;

[0015] Figure 4 This is a schematic diagram of a partial axonometric structure of the utility model;

[0016] Figure 5 This is a schematic diagram of the axonometric cross-sectional structure of the screening box and the discharge pipe in the utility model;

[0017] Figure 6 This is a schematic diagram of the axonometric cross-sectional structure of the box body in the utility model;

[0018] Markings in the accompanying drawings: 1. Box body; 2. Discharge pipe; 3. Screening box; 4. Connecting plate; 5. Guide sleeve; 6. Guide rod; 7. Discharge pipe; 8. Fixed plate; 9. Lifting cylinder; 10. Baffle; 11. Motor; 12. Reciprocating screw; 13. Transverse guide rod; 14. Transmission plate; 15. Rubber paddle; 16. Transmission crankshaft; 17. Support plate; 18. Pulley; 19. Transmission belt; 20. Transmission strip; 21. Connecting rod; 22. Articulated seat; 23. Buffer spring; 24. Protective cover; 25. Observation window; 26. Support leg; 27. Anti-slip rubber pad. DETAILED DESCRIPTION

[0019] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] Example

[0021] See also Figures 1-6The utility model is a raw material screening device for fluidized granulation, comprising a box body 1, the bottom of the box body 1 is bucket-shaped, the bottom of the box body 1 is fixedly connected to a discharge pipe 2, the bottom of the box body 1 is fixedly provided with four groups of legs 26, the bottom of the screening box 3 is set as an inclined surface, the bottom of the screening box 3 is evenly connected with multiple groups of screening holes, the left and right ends of the screening box 3 are fixedly connected to connecting plates 4, the two groups of connecting plates 4 are provided with guide grooves, the two groups of connecting plates 4 are fixedly provided with guide sleeves 5, the left and right sides of the box 1 are opposite The scale is fixedly connected with two sets of guide rods 6, and the two sets of guide sleeves 5 are respectively slidably sleeved on the two sets of guide rods 6. A discharge port is provided on the lower right side of the right end of the screening box 3, and a discharge pipe 7 is fixedly connected to the discharge port. An opening is provided at the right end of the box body 1, and the discharge pipe 7 is movable through the opening. A fixed plate 8 is fixedly connected to the right side of the top of the screening box 3. A lifting cylinder 9 is fixedly installed on the top of the two sets of fixed plates 8. The output ends of the two sets of lifting cylinders 9 are fixedly connected with a baffle 10. The baffle 10 cover is installed on the discharge port, and the motor 11 is fixed. Fixedly installed at the left end of the box body 1, a reciprocating screw rod 12 is rotatably installed inside the box body 1, and the left end of the reciprocating screw rod 12 is fixedly connected to the output end of the motor 11. A transverse guide rod 13 is fixedly connected to the inside of the box body 1. A transmission plate 14 is provided on the sliding sleeve of the transverse guide rod 13, and the transmission plate 14 is screwed on the reciprocating screw rod 12. A rubber paddle 15 is fixedly connected to the bottom end of the transmission plate 14. The two sets of connecting plates 4 are movably sleeved on the reciprocating screw rod 12 through the guide groove. The front end of the box body 1 is symmetrically fixed with Two sets of support plates 17, the transmission crankshaft 16 is rotatably mounted on the two sets of support plates 17, the right ends of the reciprocating screw rod 12 and the right ends of the transmission crankshaft 16 are fixedly sleeved with pulleys 18, and the two sets of pulleys 18 are sleeved with transmission belts 19. The middle of the transmission crankshaft 16 is rotatably sleeved with a transmission strip plate 20, and a connecting rod 21 is slidingly provided at the front end of the box body 1. The rear end of the connecting rod 21 is fixedly connected to the front end of the screening box 3, and the front end of the connecting rod 21 is fixedly provided with a hinge seat 22, which is hinged to the top of the transmission strip plate 20;When in use, the raw materials to be screened are added into the screening box 3, and then the motor 11 is started. By starting the motor 11, the motor 11 drives the reciprocating screw rod 12 to rotate, so that the reciprocating screw rod 12 drives the transmission plate 14 to slide back and forth along the transverse guide rod 13, and the transmission plate 14 drives the rubber paddle 15 to paddle the raw materials back and forth inside the screening box 3. The rubber paddle 15 is made of flexible material, and the bottom end of the rubber paddle 15 can contact the bottom end of the right side of the inside of the screening box 3. When the rubber paddle 15 moves to the left, it will bend to adapt to the changes in the bottom slope of the screening box 3. When the reciprocating screw rod 12 rotates, it drives the transmission crankshaft 16 to rotate through the pulley 18 and the transmission belt 19, so that the rubber paddle 15 drives the connecting rod 21 to slide back and forth through the hinged transmission strip 20 and the hinged seat 22, so that the connecting rod 21 drives the screening box 3 on the guide sleeve 5 and the guide rod 6, the screening box 3 drives the discharge pipe 7 to move back and forth in the opening. The shaking of the screening box 3 screens the raw materials in the screening box 3. Under the action of the reciprocating movement of the rubber paddle 15, the raw materials of appropriate size fall through the screening hole to the bottom of the box body 1 and are then discharged through the discharge pipe 2. After screening, the lifting cylinder 9 is activated to lift the baffle 10, thereby opening the discharge port and allowing the screened large particles of raw materials to be discharged through the discharge pipe 7, thus achieving the screening of the raw materials and separating the large particles from the materials of appropriate sizes. The continuous shaking of the screening box 3 and the reciprocating movement of the rubber paddle 15 improve the raw material screening effect, facilitate the separation of large particles from the materials of appropriate sizes, and prevent the large particles from being mixed with the materials of appropriate sizes, thereby improving practicality.

[0022] The front and rear ends of the screening box 3 are both symmetrically fixedly connected with two groups of buffer springs 23, and the outer sides of the four groups of buffer springs 23 are fixedly connected to the inner wall of the box body 1; by providing the buffer springs 23, when the connecting rod 21 drives the screening box 3 to shake back and forth, it can effectively prevent the front and rear ends of the screening box 3 from colliding with the inner wall of the box body 1, thereby playing a buffering role.

[0023] A protective cover 24 is detachably mounted on a set of support plates 17 at the right end and right side of the box body 1, and the protective cover 24 is buckled on the pulley 18 and the transmission belt 19; by providing the protective cover 24, the pulley 18 and the transmission belt 19 can be prevented from being affected during operation, and the staff can be prevented from being accidentally injured.

[0024] An observation window 25 is fixedly provided on the top of the protective cover 24. By providing the observation window 25, the operation and use of the transmission belt 19 can be easily observed so as to facilitate timely maintenance and replacement.

[0025] The bottom ends of the four groups of legs 26 are all fixed with anti-skid rubber pads 27; by providing the anti-skid rubber pads 27, the friction of the bottom ends of the legs 26 can be increased, making it difficult for the device to slip on the ground.

[0026] The utility model discloses a raw material screening device for fluidized granulation. Its working principle is that when in use, the raw material to be screened is added into the screening box 3, and then the motor 11 is started. By starting the motor 11, the motor 11 drives the reciprocating screw 12 to rotate, so that the reciprocating screw 12 drives the transmission plate 14 to slide back and forth along the transverse guide rod 13, and the transmission plate 14 drives the rubber paddle 15 to paddle the raw material back and forth inside the screening box 3. The rubber paddle 15 is made of a flexible material. The bottom end of the rubber paddle 15 can contact the bottom end of the right side of the screening box 3. When the rubber paddle 15 moves to the left, it will bend to adapt to the change of the bottom slope of the screening box 3. When the reciprocating screw 12 rotates, it drives the transmission crankshaft 1 through the pulley 18 and the transmission belt 19. 6 rotates, causing the rubber paddle 15 to drive the connecting rod 21 to slide back and forth through the hinge of the transmission strip 20 and the hinge seat 22, so that the connecting rod 21 drives the screening box 3 to rock back and forth under the guidance of the guide sleeve 5 and the guide rod 6, and the screening box 3 drives the discharge pipe 7 to move back and forth in the opening. The raw materials in the screening box 3 are screened by the rocking of the screening box 3. Under the action of the reciprocating material movement of the rubber paddle 15, the raw materials of appropriate size pass through the screening hole and fall to the bottom of the box body 1, and are then discharged through the discharge pipe 2. After screening, the lifting cylinder 9 is started to lift the baffle 10, thereby opening the discharge port, so that the large particles of raw materials screened out are discharged through the discharge pipe 7, thereby realizing the screening of the raw materials, and the large particles of raw materials and the raw materials of appropriate size are discharged separately.

[0027] The utility model is a raw material screening device for fluidized granulation, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the motor and lifting cylinder of the raw material screening device for fluidized granulation of the utility model are purchased on the market, and technical personnel in this industry only need to install and operate them according to the accompanying instruction manual.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A raw material screening device for fluidized granulation, comprising a box (1), characterized in that: It also includes a screening mechanism, a material-selecting mechanism and a transmission mechanism; The box body (1) has a bucket-shaped bottom, a discharge pipe (2) is fixedly connected to the bucket-shaped bottom of the box body (1), and four groups of supporting legs (26) are fixedly provided at the bottom end of the box body (1); The screening mechanism comprises a screening box (3), the bottom end of the screening box (3) is set as an inclined surface, the bottom end of the screening box (3) is evenly connected with a plurality of screening holes, the left and right ends of the screening box (3) are fixedly connected with connecting plates (4), the two connecting plates (4) are provided with guide grooves, the two connecting plates (4) are fixedly provided with guide sleeves (5), the box body (1) is fixedly connected with two groups of guide rods (6) in a left-right symmetrical manner, the two guide sleeves (5) are respectively slidably sleeved on the two groups of guide rods (6), the lower side of the right end of the screening box (3) is provided with a discharge port, the discharge port is fixedly connected with a discharge pipe (7), the right end of the box body (1) is connected with an opening, the discharge pipe (7) movably passes through the opening, the right side of the top of the screening box (3) is fixedly connected with a fixed plate (8), the tops of the two fixed plates (8) are fixedly installed with lifting cylinders (9), the output ends of the two lifting cylinders (9) are fixedly connected with baffles (10), and the baffle (10) cover is installed on the discharge port; The material shifting mechanism comprises a motor (11), the motor (11) is fixedly mounted on the left end of the box body (1), a reciprocating screw rod (12) is rotatably mounted inside the box body (1), the left end of the reciprocating screw rod (12) is fixedly connected to the output end of the motor (11), a transverse guide rod (13) is fixedly connected to the box body (1) in the transverse direction, a transmission plate (14) is slidably sleeved on the transverse guide rod (13), and the transmission plate (14) is screw-mounted and sleeved on the reciprocating screw rod (12), a rubber shifting plate (15) is fixedly connected to the bottom end of the transmission plate (14), and two sets of connecting plates (4) are sleeved on the reciprocating screw rod (12) through the cooperation of guide grooves; The transmission mechanism comprises a transmission crankshaft (16), two groups of support plates (17) are symmetrically fixedly provided at the front end of the box body (1), the transmission crankshaft (16) is rotatably mounted on the two groups of support plates (17), the right ends of the reciprocating screw rod (12) and the right ends of the transmission crankshaft (16) are fixedly sleeved with pulleys (18), the two groups of pulleys (18) are sleeved with transmission belts (19), the middle of the transmission crankshaft (16) is rotatably sleeved with a transmission strip plate (20), the front end of the box body (1) is slidably provided with a connecting rod (21), the rear end of the connecting rod (21) is fixedly connected to the front end of the screening box (3), the front end of the connecting rod (21) is fixedly provided with a hinge seat (22), and the hinge seat (22) is hinged to the top end of the transmission strip plate (20).

2. A raw material screening device for fluidized granulation according to claim 1, characterized in that: The screening box (3) is symmetrically and fixedly connected to two groups of buffer springs (23) at both the front and rear ends, and the outer sides of the four groups of buffer springs (23) are fixedly connected to the inner wall of the box body (1).

3. A raw material screening device for fluidized granulation according to claim 2, characterized in that: A protective cover (24) is detachably mounted on the right end of the box body (1) and a group of supporting plates (17) on the right side. The protective cover (24) is buckled on the pulley (18) and the transmission belt (19).

4. A raw material screening device for fluidized granulation according to claim 3, characterized in that: An observation window (25) is fixedly provided on the top of the protective cover (24).

5. A raw material screening device for fluidized granulation according to claim 4, characterized in that: The bottom ends of the four groups of legs (26) are all fixed with anti-slip rubber pads (27).

Images