CN211756728U - Chemical fertilizer production reciprocating sieve - Google Patents

Abstract

The utility model relates to a chemical fertilizer production vibrating screen, which comprises a frame, a screen arranged above the frame, a first vibrating mechanism arranged between the screen and the frame, a second vibrating mechanism arranged between the screen and the frame, a driving motor arranged on the frame, and a linkage mechanism arranged between the driving motor and the first vibrating mechanism as well as the second vibrating mechanism; the first vibration mechanism comprises a reciprocating screw rod, a sliding sleeve, a connecting plate and a first partition plate, wherein the reciprocating screw rod is used for rotating the connecting shaft on the frame, the sliding sleeve is in threaded connection with the reciprocating screw rod, the connecting plate is connected with the sliding sleeve in a sliding mode, and the first partition plate is fixedly arranged on the bottom surface of the screen and positioned above the connecting plate; the first clapboard is fixedly connected with the connecting plate. Its screen cloth can also be to the reciprocal vibrations of both sides of screen cloth when vibrations from top to bottom to improve the screening efficiency of screening plant to the chemical fertilizer granule.

Description

Chemical fertilizer production reciprocating sieve

Technical Field

The utility model belongs to the technical field of chemical fertilizer production facility technique and specifically relates to a chemical fertilizer production reciprocating sieve is related to.

Background

Chemical fertilizers are waste materials which are prepared by chemical or physical methods and contain one or more nutrient elements required by the growth of crops, are also called inorganic fertilizers and comprise nitrogenous fertilizers, phosphate fertilizers, potash fertilizers, micro-fertilizers, compound fertilizers and the like. In the production process of the fertilizer, after the raw materials are mixed and processed, the procedures of drying, granulating, sieving and the like are carried out, and finally, granular objects with uniform sizes are produced.

In the screening process after the fertilizer is granulated in the prior art, the granulated fertilizer is conveyed to a screening device through a transmission belt, the screening device is provided with a screen, the screen repeatedly vibrates the screen to screen out fertilizer particles on the screen, the fertilizer particles are screened out through the fertilizer particles with smaller volume in the screen for recycling, and the rest fertilizer particles are continuously conveyed to the next processing place. The existing screening device can only realize the up-and-down vibration of the screen, and the screening efficiency is not high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a chemical fertilizer production reciprocating sieve, its screen cloth can also be to the reciprocal vibrations in both sides of screen cloth when vibrations from top to bottom to improve the screening efficiency of screening plant to the chemical fertilizer granule.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a fertilizer production vibrating screen comprises a rack, a screen arranged above the rack, a first vibrating mechanism arranged between the screen and the rack, a second vibrating mechanism arranged between the screen and the rack, a driving motor arranged on the rack, and a linkage mechanism arranged between the driving motor and the first vibrating mechanism as well as the second vibrating mechanism;

the first vibration mechanism comprises a reciprocating screw rod rotationally connected to the rack, a sliding sleeve in threaded connection with the reciprocating screw rod, two connecting plates connected to the sliding sleeve in a sliding manner, and a first partition plate fixedly arranged on the bottom surface of the screen and positioned above the connecting plates; the first partition plate is fixedly connected with the connecting plate;

the connecting plates are provided with connecting grooves matched with the sliding sleeves, the connecting grooves are arranged along the height direction, the sliding sleeves are arranged along the height direction, two ends of the sliding sleeves along the axial direction are respectively and fixedly provided with a limiting ring, the two connecting plates are positioned between the two limiting rings, and the limiting rings are abutted against the connecting plates;

one end of the screen, which is far away from the second vibrating mechanism, is provided with a guide supporting mechanism; the guide support mechanism comprises a fixed block fixedly arranged on the bottom surface of the screen, a guide shaft connected to the fixed block in a sliding manner, two guide rods fixedly arranged at two ends of the guide shaft respectively, and two fixed sleeves fixedly connected to the rack;

two the guide bar with two fixed sleeve one-to-one, the guide bar is located fixed sleeve and is connected rather than sliding, the inside spring that is provided with of fixed sleeve, the spring is along its axial one end and frame fixed connection, the other end and guide bar fixed connection.

By adopting the technical scheme, the driving motor can simultaneously drive the first vibration mechanism and the second vibration mechanism to operate through the linkage mechanism, wherein the first vibration mechanism can make the screen vibrate in a reciprocating manner towards two sides, and the second vibration mechanism can make the screen vibrate up and down in the height direction. The first vibration mechanism is realized through the matching of the reciprocating screw rod and the sliding sleeve, when the reciprocating screw rod rotates, the sliding sleeve moves in a reciprocating mode along the axial direction of the sliding sleeve, so that the screen is driven to move in a reciprocating mode along the axial direction of the reciprocating screw rod through the connecting plate, and when the screen vibrates up and down along the height direction, the connecting plate slides with the sliding sleeve, so that the connecting plate does not interfere with the movement of the sliding sleeve. The screen cloth is guaranteed to vibrate up and down and on two sides simultaneously, and therefore the screening efficiency of the screening device for fertilizer particles is improved. When the screen cloth shakes from top to bottom, sliding sleeve can slide along the spread groove, and the connecting plate moves for sliding sleeve up-and-down promptly to the effect of two spacing rings and two connecting plates can make the screen cloth follow sliding sleeve's removal and remove. The guide supporting component can play a role in guiding the movement of the screen, so that the supporting force of the rack on the screen is increased, and the stability of the screen during movement is improved. When the axial displacement of screen cloth along reciprocating screw rod, can drive the axial displacement of fixed block along the guiding axle, when the screen cloth shakes from top to bottom along the direction of height, can drive the guide bar and slide in fixed sleeve to play the guide effect to the motion of screen cloth, and the spring plays the supporting role to the guide bar, plays the supporting role to the screen cloth promptly, and the vibrations of not interfering the screen cloth further improve the stability when the screen cloth moves.

The present invention may be further configured in a preferred embodiment as: first limiting plates are fixedly arranged on the two axial sides of the reciprocating screw respectively, and the sliding sleeve is located between the two first limiting plates.

Through adopting above-mentioned technical scheme, two first limiting plates play limiting displacement to sliding sleeve's movement distance, play limiting displacement to the movement distance of screen cloth promptly.

The present invention may be further configured in a preferred embodiment as: the eccentric shaft is sleeved on the driving shaft, the second partition plate is fixedly arranged on the bottom surface of the screen and positioned above the eccentric shaft, and the two second limiting plates are fixedly arranged on the bottom surface of the second partition plate;

the axis of the eccentric shaft and the axis of the driving shaft are parallel and arranged at intervals, the eccentric shaft rotates along with the driving shaft and moves axially, the peripheral surface of the eccentric shaft is abutted against the second partition plate, and the two second limiting plates are abutted against the two ends of the eccentric shaft respectively.

Through adopting above-mentioned technical scheme, actuating mechanism drives the drive shaft rotation under link gear's the effect again, and the drive shaft drives the eccentric shaft and rotates along its axis, and the distance that eccentric shaft and second baffle butt department to the drive shaft axis can change along with the rotation of eccentric shaft to drive the screen cloth along direction of height up-and-down motion, realize the upper and lower vibrations function to the screen cloth. And when the screen cloth reciprocates along the axial direction of the reciprocating screw rod, the eccentric shaft can be pushed to reciprocate along the axial line of the driving shaft, so that the eccentric shaft is kept in contact with the second partition plate, and the vertical motion of the screen cloth is more stable.

The present invention may be further configured in a preferred embodiment as: the eccentric shaft is connected with the driving shaft through a spline.

Through adopting above-mentioned technical scheme, when splined connection can make the eccentric shaft of drive shaft transfer, the axial displacement of drive shaft can also be followed to the eccentric shaft.

The present invention may be further configured in a preferred embodiment as: the linkage mechanism comprises a first chain wheel fixedly arranged on an output shaft of the driving motor, a second chain wheel fixedly arranged on the reciprocating screw rod and a third chain wheel fixedly arranged on the driving shaft; the first chain wheel, the second chain wheel and the third chain wheel are driven by chains.

Through adopting above-mentioned technical scheme, when driving motor rotated, drive first sprocket and rotate, and first sprocket passes through the chain and drives second sprocket and third sprocket synchronous rotation, drives reciprocal screw rod promptly and drive shaft synchronous rotation, uses a driving motor to drive first vibrations mechanism and the function of second vibrations mechanism, is convenient for to screening plant's control.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the screen can reciprocate along the axial direction of the reciprocating screw by the cooperation of the reciprocating screw and the sliding sleeve, the screen can move up and down along the height direction by the cooperation of the driving shaft and the eccentric shaft, the connecting plate can slide on the sliding sleeve when the screen moves up and down, and the eccentric shaft and the driving shaft can move axially through the spline fit when the screen moves along the axial direction of the reciprocating screw, so that the first vibration mechanism and the second vibration mechanism can operate simultaneously, and the screening efficiency of the screening mechanism on fertilizer particles is improved;

2. the first vibration mechanism and the second vibration mechanism are driven by one driving motor, the whole structure is simple, the screening device is convenient to control, and the convenience of the screening device in use is improved;

3. the guide support component increases the support points for the screen, namely, provides a guide function for the movement of the screen, and also increases the support points for the screen, thereby improving the stability of the screen during movement.

Drawings

FIG. 1 is a schematic view of a shaker;

fig. 2 is a sectional view showing a first vibration mechanism and a second vibration mechanism;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure, 1, a frame; 2. screening a screen; 3. a baffle plate; 4. a first vibrating mechanism; 41. a reciprocating screw; 42. a sliding sleeve; 43. a first limit plate; 44. a first separator; 45. a connecting plate; 451. connecting grooves; 46. a limiting ring; 5. a second vibrating mechanism; 51. a drive shaft; 52. an eccentric shaft; 53. a second separator; 54. a second limiting plate; 6. a drive motor; 7. a guide support mechanism; 71. a fixed block; 72. a guide shaft; 73. a guide bar; 74. fixing the sleeve; 75. a spring; 8. a linkage mechanism; 81. a first sprocket; 82. a second sprocket; 83. a third sprocket; 84. and a chain.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a chemical fertilizer production reciprocating sieve, including frame 1, the top of frame 1 is provided with screen cloth 2, and screen cloth 2 is the rectangle setting, the one end downward sloping of its length direction of edge of screen cloth 2, and screen cloth 2 has set firmly baffle 3 respectively along its width direction's both ends. Be provided with first vibrations mechanism 4 between screen cloth 2 and the frame 1, first vibrations mechanism 4 is used for driving screen cloth 2 along its width direction reciprocating motion, is provided with second vibrations mechanism 5 between screen cloth 2 and the frame 1, and second vibrations mechanism 5 is used for driving screen cloth 2 direction of height reciprocating motion. A driving motor 6 is arranged on the rack 1, a linkage mechanism 8 is arranged among the driving motor 6, the first vibration mechanism 4 and the second vibration mechanism 5, and the linkage mechanism 8 is used for enabling the driving motor 6 to simultaneously drive the first vibration mechanism 4 and the second vibration mechanism 5 to move.

Referring to fig. 2 and 3, the first vibration mechanism 4 includes a reciprocating screw 41 disposed on the frame 1, the reciprocating screw 41 is disposed along the width direction of the screen 2, the reciprocating screw 41 is located at the middle portion of the screen 2 in the length direction, and both ends of the reciprocating screw 41 in the axial direction are rotatably connected to the frame 1, respectively. The outer peripheral surface of the reciprocating screw 41 is sleeved with a sliding sleeve 42, the axis of the sliding sleeve 42 coincides with the axis of the reciprocating screw 41, the sliding sleeve 42 is in threaded connection with the reciprocating screw 41, and when the reciprocating screw 41 rotates, the sliding sleeve 42 reciprocates along the axial direction of the reciprocating screw 41. The reciprocating screw 41 is fixedly provided with two first limiting plates 43 along two axial sides thereof, that is, the number of the first limiting plates 43 is two, the sliding sleeve 42 is located between the two limiting plates, and the two limiting plates limit the moving distance of the sliding sleeve 42. A first clapboard 44 is fixedly arranged on the bottom surface of the screen 2 above the reciprocating screw rod 41, and the first clapboard 44 prevents fine fertilizer particles screened from the screen 2 from falling onto the reciprocating screw rod 41. Two connecting plates 45 are fixedly arranged on the bottom surface of the first partition plate 44, the connecting plates 45 are arranged along the height direction, and the two connecting plates 45 are arranged at intervals along the axial direction of the reciprocating screw rod 41. The connecting plate 45 is provided with a connecting groove 451 matched with the sliding sleeve 42, the connecting groove 451 is arranged along the height direction, and the sliding sleeve 42 is positioned in the connecting groove 451 and connected with the connecting plate 45 in a sliding manner. The sliding sleeve 42 is fixedly provided with two limiting rings 46 along two axial ends thereof, that is, the number of the limiting rings 46 is two, the limiting rings 46 are sleeved on the outer peripheral surface of the sliding sleeve 42 and coincide with the axis thereof, the two connecting plates 45 are located between the two limiting plates, the two limiting plates are in one-to-one correspondence with the two connecting plates 45, and the limiting plates are abutted against the connecting plates 45.

The driving motor 6 drives the reciprocating screw rod 41 to rotate through the linkage mechanism 8, and when the reciprocating screw rod 41 rotates, the sliding sleeve 42 in threaded connection with the reciprocating screw rod is driven to reciprocate along the axial direction of the reciprocating screw rod 41, so that the two limiting rings 46 drive the two connecting plates 45 to reciprocate along the axial direction of the reciprocating screw rod 41, and the screen 2 is further vibrated along the width direction of the reciprocating screw rod. When the screen 2 vibrates in the height direction, the connecting plate 45 and the sliding sleeve 42 slide to vibrate the screen 2 in the height direction and in the width direction.

Referring to fig. 2, the second vibration mechanism 5 includes a driving shaft 51 disposed on the frame 1, wherein the axis of the driving shaft 51 is parallel to the axis of the reciprocating screw 41, the driving shaft 51 is located at one side of the screen 2 at the high position, and both ends of the driving shaft 51 in the axial direction are respectively rotatably connected to the frame 1. An eccentric shaft 52 is fitted around the outer peripheral surface of the drive shaft 51, the axis of the eccentric shaft 52 is parallel to the axis of the drive shaft 51 and spaced therefrom, and the eccentric shaft 52 is spline-connected to the drive shaft 51. The bottom surface of the screen 2 is fixedly provided with a second clapboard 53 above the driving shaft 51, and the second clapboard 53 plays a role in protecting the driving shaft 51 and the eccentric shaft 52, so that the filtered fertilizer particles can not fall onto the driving shaft 51. The outer peripheral surface of the eccentric shaft 52 is abutted against the second partition plate 53, and the bottom surface of the second partition plate 53 is fixedly provided with two second limit plates 54 at two axial ends of the eccentric shaft 52, that is, the number of the second limit plates 54 is two, the second limit plates 54 are perpendicular to the second partition plate 53, the eccentric shaft 52 is located between the two second limit plates 54, and two ends of the eccentric shaft 52 along the circumferential direction thereof are abutted against the two second limit plates 54.

Referring to fig. 2, the two ends of the screen 2 along the length direction thereof are respectively provided with the guide support mechanisms 7, that is, the number of the guide support mechanisms 7 is two, the driving shaft 51 and the reciprocating screw 41 are located between the two guide support mechanisms 7, and the guide support mechanisms 7 guide the vibration of the screen 2. The guide supporting mechanism 7 comprises a fixed block 71 fixedly arranged at the bottom end of the screen 2, the fixed block 71 is positioned at the middle part of the screen 2 in the width direction, the fixed block 71 is connected with a guide shaft 72 in a sliding manner, the axis of the guide shaft 72 is parallel to the axis of the driving shaft 51, and the guide shaft 72 penetrates through the fixed block 71 and is connected with the fixed block in a sliding manner. Guide rods 73 are fixedly arranged at two ends of the guide shaft 72 along the axial direction, namely the number of the guide rods 73 is two, the guide rods 73 are arranged along the height direction, and the guide rods 73 are positioned between the guide shaft 72 and the rack 1. Two fixed sleeves 74 are fixedly arranged on the machine frame 1, the fixed sleeves 74 are arranged along the height direction, the two fixed sleeves 74 correspond to the two guide rods 73 one by one, the axes of the fixed sleeves 74 coincide with the axes of the guide rods 73, and the guide rods 73 are positioned inside the fixed sleeves 74 and connected with the fixed sleeves 74 in a sliding manner. The spring 75 is disposed inside the fixed sleeve 74, one end of the spring 75 in the axial direction is fixedly connected with the frame 1, the other end is fixedly connected with the guide rod 73, and when the spring 75 is in the initial state, the distance between the eccentric shaft 52 and the second partition plate 53 in the abutting state and the axis of the driving shaft 51 is at the minimum.

The driving motor 6 drives the reciprocating screw rod 41 and the driving shaft 51 to rotate simultaneously through the linkage mechanism 8, when the driving shaft 51 rotates, the eccentric shaft 52 is driven to rotate along the axis of the driving shaft 51, so that the distance between the contact point of the eccentric shaft 52 and the second partition plate 53 and the axis of the driving shaft 51 is changed, when the distance is gradually increased, the eccentric shaft 52 pushes the screen 2 to rotate upwards along the height direction, and the guide rod 73 drives the spring 75 to move upwards along the axial direction thereof, so that the spring 75 is in a stretching state; when the distance gradually decreases, the screen 2 moves downward under the action of its own weight and the spring 75, so that the second partition 53 keeps an abutting state against the outer peripheral surface of the eccentric shaft 52, thereby realizing the vertical vibration of the screen 2. And because the eccentric shaft 52 is connected with the driving shaft 51 by the spline, the driving shaft 51 can drive the eccentric shaft 52 to rotate, and the eccentric shaft 52 can move along the axial direction of the driving shaft 51 while rotating, so that the screen 2 can move simultaneously in the vibrating mechanism and the shaking mechanism.

Referring to fig. 2, the linkage mechanism 8 includes a first chain wheel 81 fixed on the output shaft of the driving motor 6, and the axis of the first chain wheel 81 coincides with the axis of the output shaft of the driving motor 6. The driving shaft 51 is fixedly provided with a second chain wheel 82 along one axial end thereof, the axis of the second chain wheel 82 is overlapped with the axis of the driving shaft 51, the reciprocating screw 41 is fixedly provided with a third chain wheel 83 along one axial end thereof, the axis of the third chain wheel 83 is overlapped with the axis of the reciprocating screw 41, the first chain wheel 81, the second chain wheel 82 and the third chain wheel 83 are positioned on the same horizontal plane, and the first chain wheel 81, the second chain wheel 82 and the third chain wheel 83 are driven by a chain 84. When the driving motor 6 drives the first chain wheel 81 to rotate, the chain 84 drives the second chain wheel 82 and the second chain wheel 82 to rotate simultaneously, i.e. drives the reciprocating screw 41 and the driving shaft 51 to rotate simultaneously.

The screening plant of this embodiment, its screen cloth 2 still along the reciprocal vibrations of the axial of reciprocal screw rod 41 when vibrations about going on to improve screening plant to the screening efficiency of chemical fertilizer granule, improve screening plant's practicality.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (5)

1. The utility model provides a chemical fertilizer production reciprocating sieve, includes frame (1), sets up screen cloth (2) in frame (1) top, its characterized in that: the screen cloth vibration device is characterized by further comprising a first vibration mechanism (4) arranged between the screen cloth (2) and the rack (1), a second vibration mechanism (5) arranged between the screen cloth (2) and the rack (1), a driving motor (6) arranged on the rack (1), and a linkage mechanism (8) arranged between the driving motor (6) and the first vibration mechanism (4) as well as the second vibration mechanism (5);

the first vibration mechanism (4) comprises a reciprocating screw rod (41) rotatably connected to the rack (1), a sliding sleeve (42) in threaded connection with the reciprocating screw rod (41), two connecting plates (45) connected to the sliding sleeve (42) in a sliding manner, and a first partition plate (44) fixedly arranged on the bottom surface of the screen (2) and positioned above the connecting plates (45); the first partition plate (44) is fixedly connected with the connecting plate (45);

the connecting plate (45) is provided with a connecting groove (451) matched with the sliding sleeve (42), the connecting groove (451) is arranged along the height direction, the sliding sleeve (42) is arranged along the height direction, two limiting rings (46) are fixedly arranged at two axial ends of the sliding sleeve (42) respectively, the two connecting plates (45) are positioned between the two limiting rings (46), and the limiting rings (46) are abutted against the connecting plate (45);

a guide supporting mechanism (7) is arranged at one end, far away from the second vibrating mechanism (5), of the screen (2), and the guide supporting mechanism (7) comprises a fixed block (71) fixedly arranged on the bottom surface of the screen (2), a guide shaft (72) connected to the fixed block (71) in a sliding manner, two guide rods (73) fixedly arranged at two ends of the guide shaft (72) respectively, and two fixed sleeves (74) fixedly connected to the rack (1);

two guide bar (73) and two fixed sleeve (74) one-to-one, guide bar (73) are located fixed sleeve (74) and are connected rather than sliding, fixed sleeve (74) inside is provided with spring (75), spring (75) are along its axial one end and frame (1) fixed connection, the other end and guide bar (73) fixed connection.

2. The fertilizer production vibrating screen of claim 1, characterized in that: first limiting plates (43) are fixedly arranged on two axial sides of the reciprocating screw (41) respectively, and the sliding sleeve (42) is located between the two first limiting plates (43).

3. The fertilizer production vibrating screen of claim 1, characterized in that: the eccentric shaft (52) is sleeved on the driving shaft (51), the second partition plate (53) is fixedly arranged on the bottom surface of the screen (2) and positioned above the eccentric shaft (52), and the two second limiting plates (54) are fixedly arranged on the bottom surface of the second partition plate (53);

the axis of the eccentric shaft (52) is parallel to the axis of the driving shaft (51) and is arranged at intervals, the eccentric shaft (52) rotates along with the driving shaft (51) and moves along the axial direction of the driving shaft, the outer peripheral surface of the eccentric shaft (52) is abutted against a second partition plate (53), and the two second limit plates (54) are respectively abutted against two ends of the eccentric shaft (52).

4. The fertilizer production vibrating screen of claim 3, wherein: the eccentric shaft (52) is connected with the driving shaft (51) through a spline.

5. The fertilizer production vibrating screen of claim 3, wherein: the linkage mechanism (8) comprises a first chain wheel (81) fixedly arranged on an output shaft of the driving motor (6), a second chain wheel (82) fixedly arranged on the reciprocating screw rod (41) and a third chain wheel (83) fixedly arranged on the driving shaft (51); the first chain wheel (81), the second chain wheel (82) and the third chain wheel (83) are driven by a chain (84).

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