Graded vibration screening equipment for precipitated calcium carbonate

Abstract

The utility model belongs to the field of precipitated calcium carbonate grading, and particularly relates to precipitated calcium carbonate grading vibration screening equipment which comprises a shell. The middle of the shell is slidably connected with a supporting frame. A plurality of sleeves are fixedly connected to the middle of the supporting frame. A discharging guide groove is fixedly connected to the middle of the sleeve. The middle part of the sleeve is fixedly connected with a spherical sieve plate; the bottom of the sleeve is fixedly connected with a guide hopper; the bottom of the guide hopper is fixedly connected with a blanking pipe; the top of the shell is fixedly connected with a vibration motor; an eccentric block at the output end of the vibration motor is located below the supporting frame. By means of the structure, when precipitated calcium carbonate is subjected to graded vibration screening, the spherical screen plate can vibrate up and down, part of precipitated calcium carbonate which cannot pass through screen holes of the spherical screen plate can be vibrated out, and therefore the situation that the screen holes of the spherical screen plate are blocked is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of precipitated calcium carbonate grading, and in particular to a precipitated calcium carbonate grading vibrating screen separation device. BACKGROUND

[0002] Precipitated calcium carbonate is a calcium carbonate product generated by the reaction of carbon dioxide and calcium hydroxide or calcium chloride through chemical precipitation method, and it is generally in granular form.

[0003] In order to facilitate the use of precipitated calcium carbonate under different conditions, precipitated calcium carbonate manufacturers will classify the produced precipitated calcium carbonate according to particle size. When classifying the precipitated calcium carbonate, a vibrating screen separation device needs to be used. However, the screen plate of the existing vibrating screen separation device generally vibrates horizontally during vibrating and screening, so that some particle sizes of precipitated calcium carbonate are easily trapped in the screen holes of the screen plate and are difficult to leave, thereby causing the screen holes of the screen plate to be blocked and the screening speed to be reduced.

[0004] Therefore, the utility model provides a precipitated calcium carbonate grading vibrating screen separation device. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0006] The utility model solves the technical problems thereof by adopting the technical scheme that the utility model discloses a precipitated calcium carbonate grading vibrating screen separation device, which comprises a shell, a support frame is slidably connected to the middle part of the shell, a plurality of sleeves are fixedly connected to the middle part of the support frame, a discharge guide groove is fixedly connected to the middle part of the sleeve, a spherical screen plate is fixedly connected to the middle part of the sleeve, a material guide hopper is fixedly connected to the bottom of the sleeve, a discharging pipe is fixedly connected to the bottom of the material guide hopper, a vibrating motor is fixedly connected to the top of the shell, and the eccentric block at the output end of the vibrating motor is located below the support frame. Through the above structure, the spherical screen plate can be vibrated up and down when classifying and vibrating the precipitated calcium carbonate, so that the precipitated calcium carbonate that cannot pass through the screen holes of the spherical screen plate can be shaken out, thereby reducing the occurrence of screen hole blockage of the spherical screen plate.

[0007] Preferably, an electric cylinder is fixedly connected to the top of the shell, a connecting rod is fixedly connected to the output end of the electric cylinder, a plurality of connecting rods are fixedly connected to the middle part of the connecting rod, a gate plate is slidably connected to one end of the discharge guide groove close to the sleeve, and the end part of the connecting rod is slidably connected to the middle part of the gate plate. Through the above structure, the precipitated calcium carbonate can be fully vibrated and screened on the spherical screen plate, and the grading and screening effect of the precipitated calcium carbonate is improved.

[0008] Preferably, the top of the shell is fixedly connected with a fixing frame; the top of the fixing frame is fixedly connected with a driving motor; the output end of the driving motor is fixedly connected with a first shaft rod; the bottom end of the first shaft rod is slidably connected with a second shaft rod; the second shaft rod penetrates through a plurality of spherical sieve plates; the middle part of the second shaft rod is fixedly connected with a plurality of scrapers; the bottom of the scraper is arranged in close contact with the top of the spherical sieve plate; through the above structure, the partially embedded calcium carbonate particles can be treated after being embedded in the spherical sieve plate sieve hole, further reducing the occurrence of the spherical sieve plate sieve hole being blocked by the calcium carbonate particles.

[0009] Preferably, the middle part of the second shaft rod is fixedly connected with a plurality of fixing rods; the fixing rods are located in the material guide hopper; the sidewall of the fixing rod is fixedly connected with a plurality of brushes; through the above structure, the situation that the precipitated calcium carbonate stays on the inner sidewall of the material guide hopper and cannot fall normally can be reduced, and the precipitated calcium carbonate remaining in the equipment can be reduced.

[0010] Preferably, the sidewall of the support frame is fixedly connected with a fixed plate; the sidewall of the shell is fixedly connected with a spring; the bottom end of the spring is fixedly connected to the top of the fixed plate; through the above structure, the operating load of the vibration motor can be reduced, and the service life of the vibration motor can be improved.

[0011] Preferably, the two sides of the gate plate are fixedly connected with elastic ropes; the bottom end of the elastic rope is fixedly connected to the top of the sleeve; through the above structure, when the equipment is running, the situation that the gate plate bottom is shaken out of the gap and causes part of the precipitated calcium carbonate that is not fully classified by screening to be discharged can be reduced.

[0012] Preferably, the scraper is arranged in a spiral shape; the material falling pipe is located above the center of the scraper; through the above structure, the precipitated calcium carbonate stays in the middle part of the spherical sieve plate for a longer time, and the situation that the precipitated calcium carbonate moves and accumulates to the edge of the spherical sieve plate to cause the screening speed to decrease can be reduced.

[0013] Compared with the prior art, the precipitated calcium carbonate grading vibration screening equipment has the following beneficial effects:

[0014] 1. The precipitated calcium carbonate grading vibration screening equipment, through the setting of the shell, the sleeve, the material discharging guide groove, the spherical sieve plate, the material guide hopper, the material falling pipe, the support frame and the vibration motor, when the precipitated calcium carbonate is classified and vibration screened, the spherical sieve plate can vibrate up and down, so that part of the precipitated calcium carbonate that cannot pass through the spherical sieve plate sieve hole can be shaken out, thereby reducing the occurrence of the spherical sieve plate sieve hole being blocked.

[0015] 2. The precipitated calcium carbonate grading vibration screening equipment, through the setting of the electric cylinder, the connecting rod, the connecting rod and the gate plate, the precipitated calcium carbonate can be fully vibration screened on the spherical sieve plate, and the grading screening effect of the precipitated calcium carbonate can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the perspective view of the utility model;

[0017] Figure 2 is the structure schematic view of support frame in the utility model;

[0018] Figure 3 is the structure schematic view of gate in the utility model;

[0019] Figure 4 is the structure schematic view of guide hopper in the utility model.

[0020] In the drawing: 1, shell; 12, sleeve; 13, discharge guide groove; 14, spherical sieve plate; 15, guide hopper; 16, blanking pipe; 17, support frame; 18, vibration motor; 2, electric cylinder; 21, connecting rod; 22, connecting rod; 23, gate; 3, fixed frame; 31, drive motor; 32, first shaft; 33, second shaft; 34, scraper; 4, fixed rod; 41, brush; 5, fixed plate; 51, spring; 6, elastic rope. DETAILED DESCRIPTION

[0021] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] For example, Figures 1 to 4As shown, the utility model discloses a precipitated calcium carbonate grading vibration sieve device, including the casing 1, the middle part sliding connection of casing 1 has the support frame 17, the middle part fixed of support frame 17 has a plurality of sleeves 12, the middle part fixed of sleeve 12 has the discharge guide groove 13, the middle part fixed of sleeve 12 has the spherical sieve plate 14, the bottom fixed of sleeve 12 has the guide hopper 15, the bottom fixed of guide hopper 15 has the blanking tube 16, the top fixed of casing 1 has the vibration motor 18, the eccentric block of vibration motor 18 output end is located below support frame 17, when working, the precipitated calcium carbonate is put into from the top feed port, and the precipitated calcium carbonate will fall in the uppermost spherical sieve plate 14 top bulging place, then start vibration motor 18 through eccentric block drive support frame 17 repeatedly up and down vibration, and then make a plurality of spherical sieve plate 14 repeatedly carry out up and down vibration, make the precipitated calcium carbonate of the higher place of spherical sieve plate 14 top vibrate and sieve, and move towards the edge of spherical sieve plate 14, and the precipitated calcium carbonate under sieve will first enter guide hopper 15, then from guide hopper 15 bottom end through blanking tube 16 again fall in the lowermost place of spherical sieve plate 14, along with the vibration of support frame 17 to the precipitated calcium carbonate of relying on a plurality of spherical sieve plate 14 carries out step by step screening, and some precipitated calcium carbonate is embedded in the sieve hole of spherical sieve plate 14 after, and will be shaken out along with the up and down vibration of spherical sieve plate 14, and the precipitated calcium carbonate after being sieved by spherical sieve plate 14 can enter discharge guide groove 13 and be discharged along with the vibration of sleeve 12, by above -mentioned structure, when grading vibration sieving to the precipitated calcium carbonate, make spherical sieve plate 14 carry out up and down vibration, make part of the precipitated calcium carbonate that cannot pass through the sieve hole of spherical sieve plate 14 can be shaken out, thereby reduce the sieve hole jamming condition of spherical sieve plate 14 to occur.

[0023] As Figures 1 to 3 As shown, the top of casing 1 is fixed with electric cylinder 2, the output end of electric cylinder 2 is fixed with connecting rod 21, the middle part of connecting rod 21 is fixed with a plurality of connecting rods 22, one end of discharge guide groove 13 close to sleeve 12 is slidingly connected with gate 23, the end of connecting rod 22 is slidingly connected to the middle part of gate 23, when working, start electric cylinder 2 drive connecting rod 21 to drop, make a plurality of gates 23 fall, and separate discharge guide groove 13 and sleeve 12, so that the precipitated calcium carbonate in the inside of sleeve 12 is difficult to discharge through discharge guide groove 13, thereby carry out longer time vibration sieving on spherical sieve plate 14, when the sieving time is enough, start electric cylinder 2 drive connecting rod 21 to rise, and then lift a plurality of gates 23 through a plurality of connecting rods 22, so that the precipitated calcium carbonate after sufficient screening in sleeve 12 is discharged from discharge guide groove 13, by above-mentioned structure, can make the precipitated calcium carbonate carry out vibration sieving on spherical sieve plate 14 sufficiently, improve the grading screening effect of precipitated calcium carbonate.

[0024] As Figures 1 to 4As shown, the top of the shell 1 is fixedly connected with a fixing frame 3; the top of the fixing frame 3 is fixedly connected with a driving motor 31; the output end of the driving motor 31 is fixedly connected with a first shaft rod 32; the bottom end of the first shaft rod 32 is slidingly connected with a second shaft rod 33; the second shaft rod 33 penetrates through a plurality of spherical sieve plates 14; the middle part of the second shaft rod 33 is fixedly connected with a plurality of scrapers 34; the bottom of the scraper 34 is arranged in close contact with the top of the spherical sieve plate 14; during operation, the driving motor 31 is started to drive the first shaft rod 32 and the second shaft rod 33 to rotate, so that the scraper 34 scrapes the top of the spherical sieve plate 14, so that part of the precipitated calcium carbonate embedded in the sieve hole of the spherical sieve plate 14 can be pushed down by the scraper 34 or be pushed back to the top of the spherical sieve plate 14 by the scraper 34. Through the above structure, the precipitated calcium carbonate particles embedded in the sieve hole of the spherical sieve plate 14 can be treated, further reducing the occurrence of the sieve hole of the spherical sieve plate 14 being blocked by precipitated calcium carbonate particles.

[0025] As shown in the figure, Figure 4 the middle part of the second shaft rod 33 is fixedly connected with a plurality of fixed rods 4; the fixed rods 4 are located inside the material guide hopper 15; the side wall of the fixed rod 4 is fixedly connected with a plurality of brushes 41; during operation, with the rotation of the second shaft rod 33, the fixed rod 4 will rotate and use the plurality of brushes 41 to hang and brush the inner side wall of the material guide hopper 15, so that the precipitated calcium carbonate that is difficult to slide down on the inner side wall of the material guide hopper 15 is brushed off. Through the above structure, the situation that the precipitated calcium carbonate stays on the inner side wall of the material guide hopper 15 and is difficult to normally fall down can be reduced, and the residual precipitated calcium carbonate inside the equipment can be reduced.

[0026] As shown in the figure, Figure 1 the side wall of the support frame 17 is fixedly connected with a fixed plate 5; the side wall of the shell 1 is fixedly connected with a spring 51; the bottom end of the spring 51 is fixedly connected to the top of the fixed plate 5; during operation, the spring 51 will pull the support frame 17, so that part of the gravity is dispersed to the shell 1 to bear, reducing the load of the vibration motor 18. Through the above structure, the operating load of the vibration motor 18 can be reduced, and the service life of the vibration motor 18 can be improved.

[0027] As shown in the figure, Figure 3 both sides of the gate plate 23 are fixedly connected with an elastic rope 6; the bottom end of the elastic rope 6 is fixedly connected to the top of the sleeve 12; during operation, with the up-down vibration of the sleeve 12, the gate plate 23 will be lifted and lowered, and the gate plate 23 is pulled by the elastic rope 6, so that the bottom of the gate plate 23 is difficult to produce a gap. Through the above structure, when the equipment is running, the situation that part of the precipitated calcium carbonate that is not fully classified is discharged due to the gap at the bottom of the gate plate 23 can be reduced.

[0028] As shown in the figure, Figure 4As shown, the scraper 34 is arranged in a spiral shape; the blanking pipe 16 is located above the center of the scraper 34; during operation, the precipitated calcium carbonate will fall to the center of the scraper 34; since the spherical sieve plate 14 is arranged in a spherical shape, the channel formed by the spiral of the scraper 34 is lower the farther away from the center, and the precipitated calcium carbonate will move along the spiral channel of the scraper 34 along with the vibration of the spherical sieve plate 14, so as to stay in the middle part of the spherical sieve plate 14 for a longer time, thereby reducing the situation that the screening speed is reduced due to the movement and accumulation of the precipitated calcium carbonate to the edge of the spherical sieve plate 14.

[0029] In work, the precipitated calcium carbonate is put into the top inlet, and the precipitated calcium carbonate falls on the top of the uppermost spherical sieve plate 14, and then the vibration motor 18 is started to drive the support frame 17 to vibrate repeatedly, and then the multiple spherical sieve plates 14 vibrate repeatedly, so that the precipitated calcium carbonate on the upper part of the spherical sieve plate 14 vibrates and sieves, and moves to the edge of the spherical sieve plate 14, and the sieved precipitated calcium carbonate falls into the guide hopper 15, and then falls into the lower spherical sieve plate 14 through the falling pipe 16, and then falls into the highest part of the lower spherical sieve plate 14, and then the support frame 17 vibrates to sieve the precipitated calcium carbonate by the multiple spherical sieve plates 14, and some of the precipitated calcium carbonate is embedded in the sieve hole of the spherical sieve plate 14 and is shaken out by the vibration of the spherical sieve plate 14, and the sieved precipitated calcium carbonate falls into the discharge guide groove 13 and is discharged, the electric cylinder 2 is started to drive the connecting rod 21 to descend, the multiple flashboard 23 falls, and the discharge guide groove 13 and the sleeve 12 are separated, so that the precipitated calcium carbonate in the sleeve 12 is difficult to discharge through the discharge guide groove 13, so that the vibration sieving on the spherical sieve plate 14 is longer, and when the sieving time is enough, the electric cylinder 2 is started to drive the connecting rod 21 to rise, and then the multiple flashboard 23 is lifted by the multiple connecting rod 22, so that the fully sieved and classified precipitated calcium carbonate in the sleeve 12 is discharged from the discharge guide groove 13, the driving motor 31 is started to drive the first shaft 32 and the second shaft 33 to rotate, and the scraper 34 is scraped on the top of the spherical sieve plate 14, so that part of the precipitated calcium carbonate embedded in the sieve hole of the spherical sieve plate 14 is pushed down by the scraper 34 or is pushed back to the upper part of the spherical sieve plate 14, and the fixed rod 4 rotates and brushes the inner wall of the guide hopper 15 by the multiple brushes 41, so that the precipitated calcium carbonate on the inner wall of the guide hopper 15 is brushed off, the spring 51 pulls the support frame 17, so that part of the gravity is dispersed to the shell 1, and the load of the vibration motor 18 is reduced, the flashboard 23 rises and falls with the vibration of the sleeve 12, the flashboard 23 is pulled by the elastic rope 6, so that the bottom of the flashboard 23 is difficult to produce a gap, the precipitated calcium carbonate falls to the center of the scraper 34, and because the spherical sieve plate 14 is spherical, the channel formed by the scraper 34 is lower away from the center, and the precipitated calcium carbonate moves along the spiral channel of the scraper 34, so that the precipitated calcium carbonate stays in the middle of the spherical sieve plate 14 for a longer time.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. Precipitated calcium carbonate fractionating and vibrating screening apparatus, comprising a housing (1); characterized in that: The middle part of the shell (1) is slidably connected with a support frame (17); the middle part of the support frame (17) is fixedly connected with a plurality of sleeves (12); the middle part of the sleeve (12) is fixedly connected with a discharging guide groove (13); the middle part of the sleeve (12) is fixedly connected with a spherical sieve plate (14); the bottom of the sleeve (12) is fixedly connected with a guide hopper (15); the bottom of the guide hopper (15) is fixedly connected with a falling pipe (16); the top of the shell (1) is fixedly connected with a vibrating motor (18); the eccentric block at the output end of the vibrating motor (18) is located below the support frame (17).

2. The precipitated calcium carbonate staged vibratory sifting apparatus of claim 1, wherein: The top of the shell (1) is fixedly connected with an electric cylinder (2); the output end of the electric cylinder (2) is fixedly connected with a connecting rod (21); the middle part of the connecting rod (21) is fixedly connected with a plurality of connecting rods (22); one end of the discharging guide groove (13) close to the sleeve (12) is slidably connected with a gate (23); the end of the connecting rod (22) is slidably connected to the middle part of the gate (23).

3. The precipitated calcium carbonate staged vibratory sifting apparatus of claim 1, wherein: The top of the shell (1) is fixedly connected with a fixed frame (3); the top of the fixed frame (3) is fixedly connected with a driving motor (31); the output end of the driving motor (31) is fixedly connected with a first shaft rod (32); the bottom end of the first shaft rod (32) is slidably connected with a second shaft rod (33); the second shaft rod (33) penetrates through a plurality of spherical sieve plates (14); the middle part of the second shaft rod (33) is fixedly connected with a plurality of scrapers (34); the bottom of the scraper (34) is arranged in close contact with the top of the spherical sieve plate (14).

4. The precipitated calcium carbonate staged vibratory sifting apparatus of claim 3, wherein: The middle part of the second shaft rod (33) is fixedly connected with a plurality of fixed rods (4); the fixed rods (4) are located inside the guide hopper (15); the side wall of the fixed rod (4) is fixedly connected with a plurality of brushes (41).

5. The precipitated calcium carbonate staged vibratory sifting apparatus of claim 1, wherein: The side wall of the support frame (17) is fixedly connected with a fixed plate (5); the side wall of the shell (1) is fixedly connected with a spring (51); the bottom end of the spring (51) is fixedly connected to the top of the fixed plate (5).

6. The precipitated calcium carbonate staged vibratory sifting apparatus of claim 2, wherein: Both sides of the gate (23) are fixedly connected with elastic ropes (6); the bottom end of the elastic rope (6) is fixedly connected to the top of the sleeve (12).

7. The precipitated calcium carbonate staged vibratory sifting apparatus of claim 3, wherein: The scraper (34) is arranged in a spiral shape; the falling pipe (16) is located above the center of the scraper (34).

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