CN211756729U

CN211756729U - Chemical fertilizer production screening plant

Info

Publication number: CN211756729U
Application number: CN201922288013.4U
Authority: CN
Inventors: 张晓帅; 刘现文; 刘邓昭
Original assignee: Hebei Lyuwang Ecological Fertilizer Co ltd
Current assignee: Hebei Lyuwang Ecological Fertilizer Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-27
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a chemical fertilizer production screening plant, which comprises a frame, a screen arranged above the frame, a shaking mechanism arranged between the frame and the screen, a vibrating mechanism arranged between the frame and the screen, a driving motor arranged on the frame, and a linkage mechanism arranged between the vibrating mechanism, the shaking mechanism and the driving motor; the shaking mechanism comprises a reciprocating screw rod rotationally connected to the rack, a sliding sleeve sleeved on the peripheral surface of the reciprocating screw rod and in threaded connection with the reciprocating screw rod, and a connecting block rotationally connected to the sliding sleeve; the screen cloth bottom surface has set firmly first baffle in the top of connecting block, connecting block and first baffle fixed connection. Its screen cloth can also be to reciprocal the rocking of both sides when vibrations about keeping to improve the screening efficiency of screening plant to the chemical fertilizer granule.

Description

Chemical fertilizer production screening plant

Technical Field

The utility model belongs to the technical field of chemical fertilizer production facility technique and specifically relates to a chemical fertilizer production screening plant 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 screening plant, its screen cloth can also be to reciprocal rocking of both sides when vibrations about keeping 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 chemical fertilizer production screening device comprises a rack, a screen arranged above the rack, a shaking mechanism arranged between the rack and the screen, a vibrating mechanism arranged between the rack and the screen, a driving motor arranged on the rack, and a linkage mechanism arranged among the vibrating mechanism, the shaking mechanism and the driving motor;

the shaking mechanism comprises a reciprocating screw rod rotationally connected to the rack, a sliding sleeve sleeved on the peripheral surface of the reciprocating screw rod and in threaded connection with the reciprocating screw rod, and a connecting block rotationally connected to the sliding sleeve;

a first partition plate is fixedly arranged on the bottom surface of the screen above the connecting block, and the connecting block is fixedly connected with the first partition plate;

the vibrating mechanism comprises a driving shaft rotationally connected to the rack, an eccentric shaft sleeved on the driving shaft, a second partition plate fixedly arranged on the bottom surface of the screen and positioned above the eccentric shaft, and two second limiting plates 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;

a guide assembly is arranged at one end of the screen, which is far away from the driving shaft, and comprises a guide shaft fixedly arranged on the bottom surface of the screen and two guide plates fixedly arranged on the rack and respectively positioned at two ends of the guide shaft;

the guide plate is provided with a guide groove, the guide groove is arranged in an arc shape, the axis of the guide groove is superposed with the axis of the reciprocating screw rod, and one end of the guide shaft penetrates through the guide groove and is connected with the guide plate in a sliding manner; and third limiting plates are fixedly arranged at two axial ends of the guide shaft respectively, and the two guide plates are positioned between the two third limiting plates.

Through adopting above-mentioned technical scheme, driving motor drives reciprocal screw rod and rotates under link gear's effect, can drive sliding sleeve along its radial reciprocating motion when reciprocal screw rod rotates, and sliding sleeve drives connecting block, first baffle and screen cloth along the axial reciprocating motion of reciprocal screw rod, realizes the function of rocking of screen cloth. And driving motor still can drive the motion of vibrations mechanism, and during the motion of vibrations mechanism, the screen cloth rotates from top to bottom along the axis minor amplitude of reciprocating screw rod, rotates between connecting block and the sliding sleeve promptly, realizes vibrations and rocks the simultaneous movement, improves the screening efficiency of screening plant to the chemical fertilizer granule. The driving motor drives the reciprocating screw and the driving shaft to rotate simultaneously, when the driving shaft rotates, the eccentric shaft is driven to rotate along the axis of the driving shaft, the distance from the contact point of the second partition plate and the eccentric shaft to the axis of the driving shaft can change along with the rotation of the eccentric shaft, and therefore the screen mesh rotates in a reciprocating mode along the axis of the reciprocating screw in a small amplitude mode, and the screen mesh vibrates up and down. And when the screen moves in a reciprocating mode along the axial direction of the reciprocating screw, the eccentric shaft is pushed to move along the axial direction of the driving shaft through the two second limiting plates, so that the eccentric shaft moves relative to the screen synchronously. The guide assembly plays a role in guiding the vertical vibration of the screen, and the stability of the screen during movement is improved. When the screen cloth is shaken from top to bottom, the guide shaft can slide in the guide groove, and when the screen cloth moves along the axial direction of the reciprocating screw rod, the guide shaft can slide in the guide groove along the axial direction of the guide shaft, so that the guide effect on the screen cloth is realized. The two third limiting plates can limit the moving distance of the guide shaft and prevent the guide shaft from being separated from the guide groove when moving along the axial direction of the guide shaft.

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 removal 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 connected with the driving shaft through a spline.

By adopting the technical scheme, the driving shaft is driven to rotate by the spline connection, and the eccentric shaft can also move along the axial direction of the driving 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, driving motor drives first sprocket when rotating, and first sprocket drives the chain motion to drive second sprocket and third sprocket synchronous rotation, drive reciprocal screw rod and drive shaft synchronous rotation promptly.

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

1. under the action of the reciprocating screw and the sliding sleeve, the screen moves back and forth along the axial direction of the reciprocating screw, and under the action of the connecting block, the screen rotates back and forth along the axis of the reciprocating screw, so that the screen vibrates up and down and shakes towards two sides at the same time, and the screening efficiency of the screen on fertilizer particles is improved;

2. the vibrating mechanism and the shaking mechanism are driven by the same driving motor, so that the movement of the screen is easier to control, and the screening device is more convenient to use;

3. through the cooperation of guiding axle and deflector, provide the direction function to the motion of screen cloth, stability when having improved the screen cloth motion.

Drawings

Figure 1 is a schematic view of the construction of a screening device;

fig. 2 is a partial sectional view showing the shaking mechanism and the vibrating mechanism.

In the figure, 1, a frame; 2. screening a screen; 3. a baffle plate; 4. a shaking mechanism; 41. a reciprocating screw; 42. a sliding sleeve; 43. a first limit plate; 44. a first separator; 45. connecting blocks; 5. a vibration mechanism; 51. a drive shaft; 52. an eccentric shaft; 53. a second separator; 54. a second limiting plate; 55. a guide assembly; 551. a guide shaft; 552. a guide plate; 5521. a guide groove; 553. a third limiting plate; 6. a drive motor; 7. a linkage mechanism; 71. a first sprocket; 72. a second sprocket; 73. a third sprocket; 74. 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 screening plant, including frame 1, the top of frame 1 is provided with screen cloth 2, and screen cloth 2 is the rectangle setting, and screen cloth 2 sets firmly baffle 3 respectively along its length direction's one end downward sloping setting, and screen cloth 2 along its width direction's both ends. Be provided with between frame 1 and the screen cloth 2 and rock mechanism 4, rock mechanism 4 and be used for driving screen cloth 2 along its width direction reciprocal rocking, still be provided with vibrations mechanism 5 between frame 1 and the screen cloth 2, vibrations mechanism 5 is used for driving screen cloth 2 along direction of height vibrations from top to bottom. The frame 1 is provided with a driving motor 6, a linkage mechanism 7 is arranged among the vibration mechanism 5, the shaking mechanism 4 and the driving motor 6, and the linkage mechanism 7 enables the driving motor 6 to drive the vibration mechanism 5 and the shaking mechanism 4 to operate simultaneously. After the fertilizer granule served through conveyer belt conveying screen cloth 2's eminence, acted on when vibrations and rocking, in sieving the waste bin of the below of screen cloth 2 with the less granule of volume to in carry out recycle to it, and screen cloth 2 can also be to reciprocal rocking of both sides when keeping vibrations from top to bottom, thereby improves the screening efficiency of screening plant to the fertilizer granule.

Referring to fig. 2, the shaking 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 of the screen 2 in the length direction, and two axial ends of the reciprocating screw 41 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, and the sliding sleeve 42 is in threaded connection with the reciprocating screw 41. When the reciprocating screw rod 41 rotates, the slide sleeve 42 reciprocates in the axial direction of the reciprocating screw rod 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 first limiting plates 43, and the two first limiting plates 43 play a limiting role in 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. The bottom surface of the first partition plate 44 is fixedly provided with a connecting block 45, the connecting block 45 is positioned in the middle of the screen 2 in the width direction, and the connecting block 45 is rotatably connected with the sliding sleeve 42. The driving motor 6 drives the reciprocating screw rod 41 to rotate through the linkage mechanism 7, 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, and the connecting block 45 drives the screen 2 to reciprocate along the axial direction of the reciprocating screw rod 41, so that the chemical fertilizer particles are screened.

Referring to fig. 2, the vibration mechanism 5 includes a driving shaft 51 disposed on the frame 1, 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, a guide assembly 55 is further disposed between the lower end of the screen 2 and the frame 1, and the guide assembly 55 guides the vibration of the screen 2. The guide assembly 55 comprises a guide shaft 551 secured to the underside of the sieve screen 2, the axis of the guide shaft 551 being parallel to the axial direction of the drive shaft 51. The frame 1 is equipped with the deflector 552 respectively in the axial both ends of guiding shaft 551 firmly, and the quantity of deflector 552 is two promptly, and screen cloth 2 is located between two deflectors 552, and deflector 552 is the arc setting, and the axis of deflector 552 and the coincidence of the axis of reciprocating screw 41. Guide slot 5521 has been seted up on the deflector 552, and guide slot 5521 is the arc setting, and the axis of guide slot 5521 and the coincidence of the axis of reciprocating screw 41, and the one end of guiding shaft 551 is located guide slot 5521 and deflector 552 sliding connection. The guide shaft 551 is fixedly provided with third limiting plates 553 at two axial ends thereof, that is, the number of the third limiting plates 553 is two, and the two guide plates 552 are located between the two third limiting plates 553. The weight of the upper end of the screen 2 is greater than that of the lower end.

The driving motor 6 drives the reciprocating screw 41 and the driving shaft 51 to rotate simultaneously through the linkage mechanism 7, 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 move upwards, and under the action of the connecting block 45 and the rotating sleeve, the screen 2 rotates upwards along the axis of the reciprocating screw 41; when the distance is gradually reduced, the screen 2 rotates downwards along the axis of the reciprocating screw 41 under the action of the self gravity, and then the high end of the screen 2 rotates in a reciprocating way along the axis of the sliding sleeve in a small range under the driving of the eccentric shaft 52. And when the screen 2 shakes, the screen 2 still reciprocates along the axial direction of the reciprocating screw 41, when the screen 2 shakes, the two second limiting plates 54 are driven to shake along the axial direction of the reciprocating screw 41, the eccentric shaft 52 moves along the axial direction of the driving shaft 51 under the action of the two second limiting plates 54, and the two second limiting plates 54 cannot be separated from the two ends of the eccentric shaft 52. 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 at the vibrating mechanism 5 and the shaking mechanism 4.

Referring to fig. 2, the linkage mechanism 7 includes a first chain wheel 71 fixed on the output shaft of the driving motor 6, and the axis of the first chain wheel 71 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 72 along one axial end thereof, the axis of the second chain wheel 72 is coincided with the axis of the driving shaft 51, the reciprocating screw 41 is fixedly provided with a third chain wheel 73 along one axial end thereof, the axis of the third chain wheel 73 is coincided with the axis of the reciprocating screw 41, the first chain wheel 71, the second chain wheel 72 and the third chain wheel 73 are positioned on the same horizontal plane, and the first chain wheel 71, the second chain wheel 72 and the third chain wheel 73 are driven by a chain 74. When the driving motor 6 drives the first chain wheel 71 to rotate, the chain 74 drives the second chain wheel 72 and the second chain wheel 72 to rotate simultaneously, i.e. drives the reciprocating screw rod 41 and the driving shaft 51 to rotate simultaneously.

The screening plant of this embodiment, its screen cloth 2 still along reciprocal the rocking of reciprocating screw rod 41's axial 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

1. The utility model provides a chemical fertilizer production screening plant, includes frame (1), sets up screen cloth (2) in frame (1) top, its characterized in that: the screen cloth screening machine further comprises a shaking mechanism (4) arranged between the rack (1) and the screen cloth (2), a vibrating mechanism (5) arranged between the rack (1) and the screen cloth (2), a driving motor (6) arranged on the rack (1), and a linkage mechanism (7) arranged among the vibrating mechanism (5), the shaking mechanism (4) and the driving motor (6);

the shaking mechanism (4) comprises a reciprocating screw rod (41) rotatably connected to the rack (1), a sliding sleeve (42) sleeved on the outer peripheral surface of the reciprocating screw rod (41) and in threaded connection with the reciprocating screw rod, and a connecting block (45) rotatably connected to the sliding sleeve (42);

a first partition plate (44) is fixedly arranged on the bottom surface of the screen (2) above the connecting block (45), and the connecting block (45) is fixedly connected with the first partition plate (44);

the vibration mechanism (5) comprises a driving shaft (51) rotatably connected to the rack (1), an eccentric shaft (52) sleeved on the driving shaft (51), a second partition plate (53) fixedly arranged on the bottom surface of the screen (2) and positioned above the eccentric shaft (52), and two second limiting plates (54) 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 two second limit plates (54) are respectively abutted against two ends of the eccentric shaft (52);

a guide assembly (55) is arranged at one end, far away from the driving shaft (51), of the screen (2), and the guide assembly (55) comprises a guide shaft (551) fixedly arranged on the bottom surface of the screen (2) and two guide plates (552) fixedly arranged on the frame (1) and respectively positioned at two ends of the guide shaft (551);

a guide groove (5521) is formed in the guide plate (552), the guide groove (5521) is arranged in an arc shape, the axis of the guide groove (5521) is overlapped with the axis of the reciprocating screw rod (41), and one end of the guide shaft (551) penetrates through the guide groove (5521) and is connected with the guide plate (552) in a sliding mode; and third limiting plates (553) are fixedly arranged at two ends of the guide shaft (551) along the axial direction respectively, and the two guide plates (552) are positioned between the two third limiting plates (553).

2. The fertilizer production screening plant 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 screening plant of claim 1, characterized in that: the eccentric shaft (52) is connected with the driving shaft (51) through a spline.

4. The fertilizer production screening plant of claim 1, characterized in that: the linkage mechanism (7) comprises a first chain wheel (71) fixedly arranged on an output shaft of the driving motor (6), a second chain wheel (72) fixedly arranged on the reciprocating screw rod (41), and a third chain wheel (73) fixedly arranged on the driving shaft (51); the first chain wheel (71), the second chain wheel (72) and the third chain wheel (73) are driven by a chain (74).