Quartz powder grading device

Abstract

The utility model discloses a quartz powder grading device, which relates to the field of ore processing equipment, and is characterized in that a heating unit is arranged at the top of a box body and is used for heating and quantitatively feeding quartz powder in a feed hopper, and the quartz powder is prevented from entering the box body at one time to influence the filtering effect of a filter screen while being heated; and the uniform feeding unit is mounted in the box body and drives a guide ring to reciprocate through a reciprocating lead screw, so that quartz powder is uniformly conveyed to the filter screen. The problems that due to the fact that an existing grading device cannot achieve uniform feeding, loads of some areas of a filter screen are too large, and the filter screen is blocked by quartz powder are solved. And the problem that quartz powder possibly adheres to and blocks a filter screen due to the fact that existing grading equipment cannot evenly dry the filter screen is solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ore processing equipment technical field, especially relate to a quartz powder grading device. BACKGROUND

[0002] The process of making quartz powder from quartz stone generally needs to be washed, graded, broken, color selected and ground. The existing quartz stone grinding generally adopts a ball mill, which generally cannot guarantee that the quartz powder ground from the quartz stone is uniform in size. Therefore, the quartz powder output from the ball mill will be classified in a grading device, and the quartz powder with a diameter within the set range is screened and packed in bags, and the quartz powder with an unqualified diameter is returned to the ball mill for regrinding.

[0003] However, the existing quartz powder grading device has poor uniformity of feeding when classifying and screening the quartz powder, resulting in excessive load in some areas and inconsistent classification effect. It may also cause the quartz powder to be blocked on the filter screen, affecting subsequent classification. Moreover, the quartz stone may absorb part of the moisture in the previous steps, and if it is not dried completely during drying, the quartz powder inside the quartz stone will be relatively wet after the quartz stone is ground into quartz powder, which may cause the filter screen to be blocked when the quartz powder enters the quartz powder grading device.

[0004] Therefore, the utility model provides a quartz powder grading device which can uniformly feed the filter screen and dry the quartz powder entering the grading device. UTILITY MODEL CONTENTS

[0005] The existing grading device cannot uniformly feed, resulting in excessive load in some areas of the filter screen and causing the quartz powder to block the filter screen. The existing grading device cannot uniformly dry, resulting in the quartz powder possibly sticking to and blocking the filter screen. The specific technical solutions are as follows:

[0006] The utility model provides a quartz powder grading device, including box, support frame, feed hopper, filter screen, first baffle, vibrating motor, first conduction board, collection box, even feeding unit and heating unit, a plurality of support frames are installed in the bottom of box, the top of box is provided with feed inlet, the feed hopper is installed on the feed inlet, the collection box is installed in the side wall of box, the bottom of collection box is provided with return port, the filter screen is obliquely installed in the inside of box through spring, the lower end of filter screen is connected with collection box, the first baffle is vertically installed in the inside of box, the vibration chamber is surrounded in the side wall of box with the side away from filter screen of first baffle, the vibrating motor is installed in the vibration chamber, the first conduction board is installed on the first baffle and is connected with filter screen in one end, and is connected with vibrating motor in the other end, and the bottom of box is provided with discharge port, the heating unit is installed on the top of box and is used for heating quartz powder in the feed hopper, the even feeding unit is installed in the inside of box, and the even feeding unit is used for evenly conveying quartz powder to filter screen.

[0007] Preferably, the heating unit comprises a rotating motor, a rotating shaft, a first bevel gear, a second bevel gear and a heating plate, the feed hopper is provided with a heating cavity, the rotating motor is installed on the top of the box, the first bevel gear is installed on the output end of the rotating motor, the rotating shaft is rotatably installed on the feed hopper, the rotating shaft penetrates the feed hopper, the second bevel gear is installed on one end of the rotating shaft, the first bevel gear is engaged with the second bevel gear, and a plurality of the heating plates are circumferentially arranged on the rotating shaft.

[0008] Preferably, the heating cavity is cylindrical, the rotating shaft is coaxial with the heating cavity, and the side of the heating plate away from the rotating shaft is in abutting contact with the inner side wall of the heating cavity.

[0009] Preferably, the even feeding unit comprises a flexible conduit, a bearing seat, a third bevel gear, a reciprocating screw, a first sliding block, a connecting rod, a guide ring, a second baffle and a second sliding block, the bearing seat is installed on the top of the box and connected with both ends of the rotating shaft, two reciprocating screws are symmetrically installed on the top of the box, the third bevel gear is installed on one end of the reciprocating screw, the second bevel gears are respectively installed on both ends of the rotating shaft, the third bevel gear is engaged with the second bevel gears, the second baffle is installed in the box, the second baffle and the inner side wall of the box form a movable cavity, the top of the box is provided with a through hole, the through hole makes the movable cavity communicate with the outside, the through hole is located directly below the reciprocating screw, the first sliding block is installed on the reciprocating screw by threaded connection, one end of the connecting rod is connected with the first sliding block, the connecting rod is slidably installed in the movable cavity through the through hole, a sliding groove is formed in the second baffle, the second sliding block is slidably installed in the sliding groove, the other end of the connecting rod is connected with the second sliding block, both ends of the guide ring are connected with the second sliding block, one end of the flexible conduit is connected with the guide ring, and the other end of the flexible conduit is connected with the feed inlet.

[0010] Preferably, the second conducting plate is mounted on the first partition plate, one end of the second conducting plate is in contact with the flexible conduit, and the other end is connected with the vibration motor.

[0011] Preferably, the chute is inclined, and the lower end of the chute is located near the first partition plate; and the connecting rod is a telescopic rod mechanism.

[0012] Preferably, a brush is mounted on the chute for cleaning the guide ring and the second sliding block.

[0013] Preferably, the length of the movement range of the guide ring is 1 / 2 to 2 / 3 of the length of the filter screen, and the feeding port is located near the first partition plate.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1. The heating unit allows a constant amount of quartz powder to enter the space formed by the heating plate and the heating cavity each time, and the small amount is more suitable for heating and drying. Then the heating plate will perform the last heating on the quartz powder to eliminate the moisture in the quartz powder and avoid the quartz powder from adhering and clogging the filter screen, thereby ensuring the stable operation of the classification equipment. In addition, the heating unit also allows the quartz powder entering the box to enter at a constant speed, thereby avoiding too much quartz powder from entering the box at one time and exceeding the load of the filter screen, so as to affect the classification effect.

[0016] 2. The rotating motor drives the reciprocating screw rod to rotate, thereby driving the first sliding block to move reciprocally. The first sliding block drives the second sliding block to move reciprocally through the connecting rod, and finally drives the guide ring to move reciprocally, thereby uniformly conveying the quartz powder to the filter screen through the flexible hose, and avoiding the situation that the filter screen is clogged due to excessive load in some areas of the filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0018] Figure 1 is a schematic view of the overall structure of the present application.

[0019] Figure 2 is a top view of the present application;

[0020] Figure 3 is Figure 2 A-A sectional view in FIG.

[0021] MAIN REFERENCE NUMERALS EXPLANATION:

[0022] 1, box; 2, support frame; 3, feed inlet; 4, feed hopper; 5, filter screen; 6, first partition; 7, collection box; 8, first transmission plate; 9, vibration motor; 10, return port; 11, discharge port; 12, rotating motor; 13, first bevel gear; 14, second bevel gear; 15, heating plate; 16, heating cavity; 17, rotating shaft; 18, flexible conduit; 19, bearing seat; 20, third bevel gear; 21, second partition; 22, second transmission plate; 23, reciprocating screw; 24, first sliding block; 25, second sliding block; 26, connecting rod; 27, guide ring; 28, through hole; 29, sliding slot; 30, brush. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Next, reference Figures 1 to 3 will be made to the embodiments for detailed description, so that those skilled in the art can better understand the utility model:

[0025] A plurality of support frames 2 are installed on the bottom of the box 1 through bolts, the top of the box 1 is provided with a feed inlet 3, and a feed hopper 4 is installed on the feed inlet 3 through bolts. The collection box 7 is installed on the side wall of the box 1 through bolts, the bottom of the collection box 7 is provided with a return port 10, and the unqualified quartz powder will re-enter the ball mill for grinding from the return port 10, and the bottom of the collection box 7 is conical, so that the unqualified quartz powder can be gathered together to avoid accumulation in the collection box 7.

[0026] The filter screen 5 is installed inside the box 1 through springs, and the springs can make the filter screen 5 vibrate better. The lower end of the filter screen 5 is connected with the collection box 7, and the unqualified quartz powder is automatically entered into the collection box 7 through vibration and gravity. The first partition 6 is installed vertically in the box 1 through bolts, and the side, away from the filter screen 5, of the first partition 6 and the inner side wall of the box 1 enclose a vibration chamber, and the vibration motor 9 is installed in the vibration chamber through bolts. The first transmission plate 8 is installed on the first partition 6 and connected with the filter screen 5 at one end and the vibration motor 9 at the other end, and the vibration of the vibration motor 9 is transmitted to the filter screen 5 through the first transmission plate 8. The bottom of the box 1 is provided with a discharge port 11, and the qualified quartz powder will be discharged from the discharge port 11 for packaging or the next process.

[0027] The heating cavity 16 is arranged in the feeding hopper 4, the rotating motor 12 is bolted on the top of the box 1, the first bevel gear 13 is connected with the elastic retainer and installed on the output end of the rotating motor 12 through the key. The rotating shaft 17 is rotatably installed on the feeding hopper 4 through the bearing, the rotating shaft 17 penetrates the feeding hopper 4, the second bevel gear 14 is connected with the elastic retainer and installed on one end of the rotating shaft 17 through the key, the first bevel gear 13 is engaged with the second bevel gear 14, and the plurality of heating plates 15 are circumferentially and arrayed installed on the rotating shaft 17 through the bolts. The heating plate 15 can let the quantitative quartz powder enter the space formed by the heating plate 15 and the heating cavity 16 each time, and the small volume is more suitable for heating and drying. Then the heating plate 15 will perform the last heating on the quartz powder, eliminate the moisture in the quartz powder, avoid the adhesion and blockage of the quartz powder on the filter screen 5, and ensure the stable operation of the grading equipment. In addition, the heating unit can also make the quartz powder entering the box 1 be quantitative and uniform, avoid too much quartz powder entering the box 1 at one time and exceeding the load of the filter screen 5, and thus affect the grading effect.

[0028] The heating cavity 16 is cylindrical, the rotating shaft 17 is coaxial with the heating cavity 16, and the side, away from the rotating shaft 17, of the heating plate 15 is abuttingly attached to the inner side wall of the heating cavity 16. Through the cooperation of the heating cavity 16 and the heating plate 15, only when the quartz powder between the heating plates 15 rotates to the position directly above the feeding port 3, the quartz powder can leave the heating plate 15 and enter the box 1, so that the heating cavity 16 increases the heating time of the quartz powder by the heating plate 15, and ensures the drying effect on the quartz powder.

[0029] The bearing seat 19 is installed on the top of the box body 1 by bolts, and two reciprocating lead screws 23 are symmetrically installed on the top of the box body 1, and the two ends of the reciprocating lead screw 23 are connected with the bearing seat 19. The third bevel gear 20 is installed on one end of the reciprocating lead screw 23 through key connection and elastic retainer, and the second bevel gear 14 is installed on the two ends of the rotating shaft 17 through key connection and elastic retainer respectively, and the third bevel gear 20 is engaged with the second bevel gear 14. The second partition plate 21 is installed in the box body 1 by bolts, and the second partition plate 21 and the inner side wall of the box body 1 form a movable cavity, a through hole 28 is formed in the top of the box body 1, the through hole 28 makes the movable cavity communicate with the outside, and the through hole 28 is located directly below the reciprocating lead screw 23. The first sliding block 24 is installed on the reciprocating lead screw 23 by thread connection, one end of the connecting rod 26 is connected with the first sliding block 24 by bolts, and the connecting rod 26 is slidably installed in the movable cavity through the through hole 28. A sliding groove 29 is formed in the second partition plate 21, the second sliding block 25 is slidably installed in the sliding groove 29, and the other end of the connecting rod 26 is connected with the second sliding block 25 by bolts. The two ends of the guide ring 27 are connected with the second sliding block 25 by bolts, one end of the flexible pipe 18 is connected with the guide ring 27, and the other end of the flexible pipe 18 is connected with the feeding port 3. The rotating motor 12 drives the reciprocating lead screw 23 to rotate through gear transmission, so as to drive the first sliding block 24 to reciprocate, the first sliding block 24 drives the second sliding block 25 to reciprocate through the connecting rod 26, and finally drives the guide ring 27 to reciprocate, so as to uniformly convey the quartz powder to the filter screen 5 through the flexible hose, and avoid the situation that the filter screen 5 is blocked due to excessive load in some areas of the filter screen 5.

[0030] The second conducting plate 22 is installed on the first partition plate 6 by bolts, one end of the second conducting plate 22 is in contact with the flexible pipe 18, and the other end is connected with the vibrating motor 9. The second conducting plate 22 transmits vibration to the flexible pipe 18, avoiding the blockage of the quartz powder in the flexible pipe 18.

[0031] The sliding groove 29 is inclined, the lower end of the sliding groove 29 is located near the first partition plate 6, and the connecting rod 26 is a telescopic rod mechanism. Since one end of the flexible pipe 18 is fixed, this setting can avoid the situation that the flexible pipe 18 is folded due to the short distance between the guide ring 27 and the feeding port 3, and ensures the stable conveying of the quartz powder.

[0032] The sliding groove 29 is installed with a brush 30 for cleaning the guide ring 27 and the second sliding block 25, and can also shield the sliding groove 29 to avoid the quartz powder entering the sliding groove 29 and affecting the sliding of the second sliding block 25.

[0033] The quartz powder falling on the filter screen 5 needs to be vibrated and screened for a distance to better ensure the grading effect. Therefore, the length of the movable range of the guide ring 27 is set to 1 / 2 to 2 / 3 of the length of the filter screen 5, and the feeding port 3 is located near one side of the first partition plate 6, so that the quartz powder falling on the filter screen 5 is far away from the collecting box 7.

[0034] The foregoing description of the specific exemplary embodiments of the present application is for the purpose of illustration and explanation, and is not intended to limit the present application to the precise forms disclosed, and as such many modifications and variations will be apparent to the practitioner skilled in the art. Although embodiments of the present application have been shown and described, it is to be understood that these embodiments are merely exemplary of the principles and application of the present application. Therefore, specific features, structures, materials or characteristics described or depicted as being part of an embodiment can be combined with or substituted for features, structures, materials or characteristics of other embodiments in any suitable manner, and the description and examples are not to be taken in a limiting sense. The scope of the application is limited only by the claims.

Claims

1. A quartz powder classifying device characterized by comprising: The utility model provides a quartz powder vibrating screen, including box (1), support frame (2), feed hopper (4), filter screen (5), first baffle (6), vibrating motor (9), first conduction plate (8), collection box (7), even feeding unit and heating unit, a plurality of support frame (2) are installed in the bottom of box (1), the top of box (1) is provided with feed inlet (3), the feed hopper (4) is installed on feed inlet (3), the collection box (7) is installed in the side wall of box (1), the bottom of collection box (7) is provided with return port (10), the filter screen (5) is installed in the inside of box (1) by spring inclination, the lower end of filter screen (5) is connected with collection box (7), the first baffle (6) is installed vertically in the inside of box (1), the side, away from filter screen (5), of first baffle (6) and the inside wall of box (1) enclose vibrating chamber, the vibrating motor (9) is installed in vibrating chamber, the first conduction plate (8) is installed on first baffle (6) and one end is connected with filter screen (5), and the other end is connected with vibrating motor (9), the bottom of box (1) is provided with discharge port (11), the heating unit is installed on the top of box (1) for heating quartz powder in feed hopper (4), the even feeding unit is installed in the inside of box (1), and the even feeding unit is used to deliver quartz powder evenly on filter screen (5).

2. A quartz powder classifying device according to claim 1, characterized in that The heating unit includes rotating motor (12), rotating shaft (17), first bevel gear (13), second bevel gear (14) and heating plate (15), the feed hopper (4) is provided with heating cavity (16), the rotating motor (12) is installed on the top of box (1), the first bevel gear (13) is installed on the output end of rotating motor (12), the rotating shaft (17) is rotatably installed on the feed hopper (4), the rotating shaft (17) penetrates the feed hopper (4), the second bevel gear (14) is installed on one end of rotating shaft (17), the first bevel gear (13) is engaged with the second bevel gear (14), and a plurality of heating plates (15) are circumferentially arranged on the rotating shaft (17).

3. A quartz flour sizing device according to claim 2, wherein The heating cavity (16) is cylindrical, the rotating shaft (17) is coaxial with the heating cavity (16), and the side, away from the rotating shaft (17), of the heating plate (15) is abuttingly attached to the inner side wall of the heating cavity (16).

4. A quartz powder classifying device according to claim 2, wherein The uniform feeding unit comprises a flexible conduit (18), a bearing seat (19), a third bevel gear (20), a reciprocating screw (23), a first sliding block (24), a connecting rod (26), a guide ring (27), a second partition plate (21) and a second sliding block (25), the bearing seat (19) is installed on the top of the box body (1) and connected with both ends of the rotating shaft (17), the two reciprocating screws (23) are symmetrically installed on the top of the box body (1), the third bevel gear (20) is installed on one end of the reciprocating screw (23), the second bevel gears (14) are respectively installed on both ends of the rotating shaft (17), the third bevel gear (20) is engaged with the second bevel gears (14), the second partition plate (21) is installed in the box body (1), the second partition plate (21) and the inner side wall of the box body (1) form a movable cavity, a through hole (28) is formed in the top of the box body (1), the through hole (28) makes the movable cavity communicate with the outside, the through hole (28) is located directly below the reciprocating screw (23), the first sliding block (24) is installed on the reciprocating screw (23) through threaded connection, one end of the connecting rod (26) is connected with the first sliding block (24), the connecting rod (26) is slidably installed in the movable cavity through the through hole (28), a sliding groove (29) is formed in the second partition plate (21), the second sliding block (25) is slidably installed in the sliding groove (29), the other end of the connecting rod (26) is connected with the second sliding block (25), both ends of the guide ring (27) are connected with the second sliding block (25), one end of the flexible conduit (18) is connected with the guide ring (27), the other end of the flexible conduit (18) is connected with the feeding port (3).

5. A quartz flour sizing device according to claim 4, wherein The second transmission plate (22) is installed on the first partition plate (6), one end of the second transmission plate (22) is in contact with the flexible conduit (18), and the other end is connected with the vibration motor (9).

6. A quartz powder classifying device according to claim 4, wherein The sliding groove (29) is inclined, the lower end of the sliding groove (29) is located near the first partition plate (6), and the connecting rod (26) is a telescopic rod mechanism.

7. A quartz powder classifying device according to claim 4, wherein A brush (30) is installed on the sliding groove (29) for cleaning the guide ring (27) and the second sliding block (25).

8. A quartz powder classifying device according to claim 4, wherein The length of the movable range of the guide ring (27) is 1 / 2 to 2 / 3 of the length of the filter screen (5), and the feeding port (3) is located near the first partition plate (6).

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