Screening device for titanium dioxide production

Abstract

The utility model relates to the technical field of production screening, in particular to a screening device for titanium dioxide production, which comprises a machine body, and a top frame and a bottom frame are respectively welded at the top and the bottom of the machine body; an inner-layer screen is arranged in the machine body, the inner-layer screen is sleeved with a middle-layer screen, the middle-layer screen is sleeved with an outer-layer screen, the two ends of the outer-layer screen, the two ends of the middle-layer screen and the two ends of the inner-layer screen are all fixed to the two sides of the inner wall of the machine body, an inner push plate is arranged in the inner-layer screen, and a hanging sliding rod is fixed to the top of the inner push plate. The lifting sliding rod is inserted into the inner-layer screen, the middle-layer screen, the outer-layer screen and the top of the machine body in a penetrating mode, a lifting base is fixed to the top of the lifting sliding rod, a movable cap is fixed to the top of the lifting base, and a transmission screw is in threaded connection with the interior of the movable cap. According to the titanium dioxide screening device, multi-layer grading screening and auxiliary pushing can be conveniently carried out according to the fineness needed by follow-up processing of titanium dioxide, so that screening operation is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of production screening, in particular to a screening device used for titanium dioxide production. Background Art

[0002] Titanium dioxide is a white solid or powdery amphoteric oxide. It is an inorganic compound widely used in coatings, plastics, papermaking, printing inks, chemical fibers, rubber, cosmetics and other industries. Studies have shown that under light conditions, the super-hydrophilicity of its surface is caused by changes in its surface structure. During production, it is often calcined to remove water. Therefore, it agglomerates after calcination and needs to be crushed again when used. In order to ensure the convenience of subsequent use, the crushed material needs to be screened;

[0003] In this regard, China applied for patent number: CN202222394495.3, which discloses a screening device for titanium dioxide production, including a sealed box, the four corners of the lower side wall of the sealed box are fixedly connected to brackets, the inner wall of the sealed box is fixedly connected to two screens, the upper side wall of the sealed box is fixedly connected to a vibration motor, the upper side wall of the sealed box is fixedly connected to a feed pipe, and the left side of the lower side wall of the sealed box is fixedly connected to a powder discharge pipe. When the screening device is working, the utility model can knock and vibrate the screen in the sealed box, so that the titanium dioxide lumps stuck in the screen are separated from the mesh of the screen, thereby ensuring the screening performance of the screen and being able to pour titanium dioxide into the screening device quantitatively one by one, and using the screening device to fully screen the titanium dioxide, avoiding the situation where there is too much titanium dioxide poured into the screening device at one time and there is no time to screen;

[0004] However, the existing screening device is not convenient for multi-layer graded screening and auxiliary pushing according to the coarseness and fineness required for subsequent processing of titanium dioxide, which easily causes backlog and blockage, resulting in inconvenient and uneven screening, affecting the use efficiency;

[0005] Therefore, in order to solve the above problems, a screening device for titanium dioxide production is proposed. Summary of the invention

[0006] The purpose of the utility model is to provide a screening device for titanium dioxide production, so as to solve the problem that the existing screening device proposed in the above background technology is inconvenient to perform multi-layer graded screening and auxiliary pushing according to the coarseness required for subsequent processing of titanium dioxide, and is prone to backlog and blockage, resulting in inconvenient and uneven screening, which affects the use efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A screening device for titanium dioxide production, comprising a machine body, wherein a top frame and a bottom frame are welded to the top and bottom of the machine body respectively;

[0008] An inner screen is arranged inside the machine body, a middle screen is arranged outside the inner screen, an outer screen is arranged outside the middle screen, both ends of the outer screen, the middle screen and the inner screen are fixed on both sides of the inner wall of the machine body, an inner push plate is arranged inside the inner screen, a hanging slide rod is fixed on the top of the inner push plate, the hanging slide rod is inserted through the inner screen, the middle screen, the outer screen and the top of the machine body, a hanging seat is fixed on the top of the hanging slide rod, a moving cap is fixed on the top of the hanging seat, and a transmission screw is threadedly connected to the inside of the moving cap.

[0009] Preferably, both ends of the transmission screw are supported and assembled on both sides of the upper surface of the top frame by sleeve bearings, a servo motor is arranged below the left end of the transmission screw, a transmission wheel is fixed to the rotor end of the servo motor, a driven wheel is connected to the top of the transmission wheel through a belt, the driven wheel is fixed to the left end of the transmission screw, an assembly frame is supported and assembled at the lower end of the servo motor, and the assembly frame is assembled on the upper part of the left outer wall of the machine body.

[0010] Preferably, the outer wall of the suspension slide rod is sequentially equipped with an inner push ring, a middle push ring and an outer push ring, and the inner push ring, the middle push ring and the outer push ring are all in circular shape, the inner push ring is located between the outer wall of the inner screen and the inner wall of the middle screen, the middle push ring is located between the outer wall of the middle screen and the inner wall of the outer screen, the outer push ring is located between the outer wall of the outer screen and the inner wall of the body, and the lower outer walls of the inner push ring, the middle push ring and the outer push ring are all equipped with rubber soft teeth.

[0011] Preferably, the inner screen, the middle screen and the upper part of the outer screen are all integrally provided with screen arc covers, and a slide groove corresponding to the hanging slide rod is opened in the center of the top of the screen arc cover, and the slide groove is in the shape of a long strip, and a horizontal slide rod is inserted through the inside of the hanging seat, and the two ends of the horizontal slide rod are fixed to the inner walls on both sides of the top of the machine body.

[0012] Preferably, the right end of the inner screen is connected to a feed channel, the lower end of the feed channel is fixed to the right outer wall of the machine body, the upper end of the feed channel is fixed with a feed funnel, and the upper side of the left wall of the feed funnel is arranged in an arc shape.

[0013] Preferably, the left side of the inner screen, the left side of the middle screen, the left side of the outer screen and the left side of the body are connected in sequence with material channel one, material channel two, material channel three and material channel four, the upper ends of material channel one, material channel two, material channel three and material channel four are fixed on the outer wall of the left side of the body, and the inner bottom walls of material channel one, material channel two, material channel three and material channel four are inclined downward to the inner screen, middle screen, outer screen and the inner bottom wall of the body respectively, and the lower ends of material channel one, material channel three, material channel four and material channel four are integrally provided with docking screw heads, and the external threaded sleeves of the docking screw heads are provided with blocking caps.

[0014] Preferably, a support hinge is installed in the center of the bottom of the base frame, the lower part of the support hinge is hinged to a support column through a hinge shaft, a base is fixed to the bottom of the support column, the bottom of the base is equipped with a locked wheel, and hydraulic telescopic rods are installed on both sides below the base, and both ends of the hydraulic telescopic rods are hinged to the bottom of the base frame and the side walls of the support column through auxiliary hinges.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model facilitates multi-layer graded screening and auxiliary pushing according to the coarseness and fineness required for subsequent processing of titanium dioxide, making the screening operation more convenient;

[0016] The utility model is provided with an inner screen, a middle screen and an outer screen, which facilitates multi-layer graded screening of titanium dioxide inside the machine body, making the operation more convenient and facilitating auxiliary screening operations according to the required coarseness and fineness, making the use more convenient. Through this design, the convenience and practicality of the screening device for titanium dioxide production are improved.

[0017] The utility model is provided with an inner push plate, which is convenient for moving through a threaded connection under the cooperation of a hanging slide rod, a hanging seat and a movable cap, and the rotation of a driving screw, so that the inner push plate can assist in pushing the material, making filtering and screening more convenient and less prone to blockage. Through this design, the convenience and practicality of the screening device for titanium dioxide production are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0019] Figure 2 It is a schematic cross-sectional view of the structure of the utility model from the right side;

[0020] Figure 3 It is a schematic diagram of the left side view of the structure of the utility model;

[0021] Figure 4 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 5 For this utility model Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0023] Figure 6 For this utility model Figure 2 A magnified schematic diagram of the structure at C in the middle;

[0024] In the figure: 100, machine body; 110, top frame; 120, bottom frame; 121, support hinge seat; 122, hinge shaft; 123, support column; 124, base; 125, wheel with lock; 126, hydraulic telescopic rod; 127, auxiliary hinge seat; 200, inner screen; 201, feed channel; 202, feed hopper; 203, material channel 1; 204, material channel 2; 205, material channel 3; 206, material channel 4; 207, docking screw head; 208, plugging cap; 210 , middle screen; 220, outer screen; 230, screen arc cover; 231, slide; 300, inner push plate; 301, inner push ring; 302, middle push ring; 303, outer push ring; 304, rubber soft teeth; 310, hanging slide rod; 320, hanging seat; 321, horizontal slide rod; 330, moving cap; 340, transmission screw; 341, seat bearing; 350, servo motor; 351, transmission wheel; 352, belt; 353, driven wheel; 354, assembly frame. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6 , an embodiment provided by the utility model:

[0027] A screening device for titanium dioxide production includes a machine body 100, a top frame 110 and a bottom frame 120 are welded to the top and bottom of the machine body 100 respectively;

[0028] An inner screen 200 is arranged inside the machine body 100, a middle screen 210 is sleeved outside the inner screen 200, an outer screen 220 is sleeved outside the middle screen 210, both ends of the outer screen 220, the middle screen 210 and the inner screen 200 are fixed on both sides of the inner wall of the machine body 100, an inner push plate 300 is arranged inside the inner screen 200, a hanging slide 310 is fixed on the top of the inner push plate 300, the hanging slide 310 is inserted through the inner screen 200, the middle screen 210, the outer screen 220 and the top of the machine body 100, and a hanging seat 320 is fixed on the top of the hanging seat 320, a moving cap 330 is fixed on the top of the moving cap 330, and a transmission screw 340 is threadedly connected inside;

[0029] Furthermore, both ends of the transmission screw 340 are supported and assembled on both sides of the upper surface of the top frame 110 by sleeve bearings 341 with seats, a servo motor 350 is arranged below the left end of the transmission screw 340, a transmission wheel 351 is fixed to the rotor end of the servo motor 350, a driven wheel 353 is connected to the upper part of the transmission wheel 351 through a belt 352, the driven wheel 353 is fixed to the left end of the transmission screw 340, and an assembly frame 354 is supported and assembled at the lower end of the servo motor 350, and the assembly frame 354 is assembled on the upper part of the left outer wall of the body 100. Through this design, it is convenient to drive the rotation of the transmission screw 340, making the operation more convenient. At the same time, the servo motor 350 is controlled to rotate forward and reverse during operation, which is convenient for the reciprocating movement of the suspension slide 310, making the pushing more convenient.

[0030] Further, the outer wall of the hanging slide rod 310 is equipped with an inner push ring 301, a middle push ring 302 and an outer push ring 303 in sequence, and the inner push ring 301, the middle push ring 302 and the outer push ring 303 are all in annular shape, the inner push ring 301 is located between the outer wall of the inner screen 200 and the inner wall of the middle screen 210, the middle push ring 302 is located between the outer wall of the middle screen 210 and the inner wall of the outer screen 220, and the outer push ring 303 is located between the outer wall of the outer screen 220 and the inner wall of the body 100, and the lower outer walls of the inner push ring 301, the middle push ring 302 and the outer push ring 303 are all equipped with rubber soft teeth 304. Through this design, it is convenient to perform auxiliary pushing operations on each layer;

[0031] Furthermore, the inner screen 200, the middle screen 210 and the outer screen 220 are all integrally provided with a screen arc cover 230, and a slide groove 231 corresponding to the hanging slide rod 310 is opened in the center of the top of the screen arc cover 230, and the slide groove 231 is in the shape of a long strip, and a horizontal slide rod 321 is inserted through the inside of the hanging seat 320, and the two ends of the horizontal slide rod 321 are fixed to the inner walls on both sides of the top of the body 100. Through this design, it is convenient to assemble and maintain the upper part of the screen and assist in stable movement;

[0032] Furthermore, the right end of the inner screen 200 is connected to a feed channel 201, the lower end of the feed channel 201 is fixed to the right outer wall of the body 100, and a feed funnel 202 is fixed to the upper end of the feed channel 201, and the upper side of the left wall of the feed funnel 202 is arc-shaped. Through this design, it is convenient to feed materials into the inner screen 200, making subsequent operations more convenient;

[0033] Further, the left side of the inner screen 200, the left side of the middle screen 210, the left side of the outer screen 220 and the left side of the body 100 are connected in sequence with a material channel 1 203, a material channel 204, a material channel 3 205 and a material channel 4 206, and the upper ends of the material channels 1 203, the material channels 204, the material channels 3 205 and the material channels 4 206 are all fixed on the left outer wall of the body 100, and the material channels 1 203, the material channels 204, the material channels 3 205 and the material channels 4 The inner bottom wall of the fourth channel 206 is arranged in an inclined downward shape with the inner screen 200, the middle screen 210, the outer screen 220 and the inner bottom wall of the body 100, and the material channel 1 203, the material channel 3 205, the material channel 4 206 and the lower end of the material channel 4 206 are all integrally provided with a docking screw head 207, and the outer thread sleeve of the docking screw head 207 is provided with a plugging cap 208. Through this design, it is convenient to transport and discharge the screened materials, which is convenient for subsequent processing;

[0034] Furthermore, a support hinge seat 121 is installed in the center of the bottom of the base frame 120, and the lower part of the support hinge seat 121 is hingedly supported by a support column 123 through a hinge shaft 122. A base 124 is fixed to the bottom of the support column 123, and a locked wheel 125 is installed at the bottom of the base 124. Hydraulic telescopic rods 126 are installed on both sides of the bottom of the base frame 120. Both ends of the hydraulic telescopic rod 126 are hingedly installed on the bottom of the base frame 120 and the side walls of the support column 123 through auxiliary hinge seats 127. Through this design, it is convenient to support the body 100 and assist in adjusting the tilt angle.

[0035] Working principle: When assembled and used, with the cooperation of the locked wheels 125, it is convenient to move to a suitable position under the support of the base 124 and the support column 123, and with the cooperation of the feed funnel 202, it is convenient to put titanium dioxide particles to the left side of the inner screen 200 through the feed channel 201. After the particles fall into the inner screen 200, they are screened and filtered by the inner screen 200, the middle screen 210, and the outer screen 220 in turn, so as to obtain titanium dioxide particles of different coarseness and fineness. During operation, the corresponding control equipment is selected and assembled according to the needs. By connecting with the control component equipment such as relays, it is convenient to control the forward and reverse rotation of the servo motor 350, so as to facilitate the forward and reverse rotation of the transmission screw 340, so that the moving cap 330 is convenient to drive the suspension seat 320 and the suspension slide rod 310 to move back and forth left and right, and in the horizontal slide With the cooperation of the rod 321, the movement is more stable and convenient, so that the inner push plate 300, the inner push ring 301, the middle push ring 302 and the outer push ring 303 can push and pull the particles on the inner screen 200, the middle screen 210, the outer screen 220 and the bottom of the body 100 with the cooperation of the rubber soft teeth 304, so that it is not easy to cause backlog and blockage during filtering and screening, making the filtering and screening more sufficient and convenient. Furthermore, during screening, the hydraulic telescopic rod 126 can be used to telescope and support the inclination angle of the body 100, making the operation more convenient. At the same time, when discharging materials in material channel 1 203, material channel 2 204, material channel 3 205 and material channel 4 206, the materials can be quickly discharged by adjusting the inclination angle. At the same time, with the cooperation of the docking screw head 207, it is convenient to dock the discharge pipe for centralized discharge and collection. The operation ends here.

[0036] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A screening device for titanium dioxide production, comprising a machine body (100), wherein a top frame (110) and a bottom frame (120) are welded to the top and bottom of the machine body (100), respectively; Features: An inner screen (200) is arranged inside the machine body (100), a middle screen (210) is sleeved outside the inner screen (200), an outer screen (220) is sleeved outside the middle screen (210), both ends of the outer screen (220), the middle screen (210) and the inner screen (200) are fixed to both sides of the inner wall of the machine body (100), an inner push plate (300) is arranged inside the inner screen (200), and A hanging slide rod (310) is fixed on the top of the inner push plate (300), and the hanging slide rod (310) is inserted through the inner screen (200), the middle screen (210), the outer screen (220) and the top of the machine body (100), and a hanging seat (320) is fixed on the top of the hanging slide rod (310), and a movable cap (330) is fixed on the top of the hanging seat (320), and a transmission screw (340) is internally threadedly connected to the movable cap (330).

2. A screening device for titanium dioxide production according to claim 1, characterized in that: The two ends of the transmission screw (340) are supported and assembled on both sides of the upper surface of the top frame (110) by sleeve-mounted bearings (341); a servo motor (350) is arranged below the left end of the transmission screw (340); a transmission wheel (351) is fixed to the rotor end of the servo motor (350); a driven wheel (353) is connected to the upper side of the transmission wheel (351) via a belt (352); the driven wheel (353) is fixed to the left end of the transmission screw (340); an assembly frame (354) is supported and assembled at the lower end of the servo motor (350); and the assembly frame (354) is assembled on the upper part of the left outer wall of the machine body (100).

3. A screening device for titanium dioxide production according to claim 1, characterized in that: The outer wall of the suspension slide (310) is sequentially equipped with an inner push ring (301), a middle push ring (302) and an outer push ring (303), and the inner push ring (301), the middle push ring (302) and the outer push ring (303) are all in annular shape. The inner push ring (301) is located between the outer wall of the inner screen (200) and the inner wall of the middle screen (210), the middle push ring (302) is located between the outer wall of the middle screen (210) and the inner wall of the outer screen (220), and the outer push ring (303) is located between the outer wall of the outer screen (220) and the inner wall of the body (100). The lower outer walls of the inner push ring (301), the middle push ring (302) and the outer push ring (303) are all equipped with rubber soft teeth (304).

4. A screening device for titanium dioxide production according to claim 1, characterized in that: The inner screen (200), the middle screen (210) and the outer screen (220) are all integrally provided with a screen arc cover (230), and a slide groove (231) corresponding to the suspension slide rod (310) is opened in the center of the top of the screen arc cover (230), and the slide groove (231) is in the shape of a long strip, and a horizontal slide rod (321) is inserted through the inside of the suspension seat (320), and the two ends of the horizontal slide rod (321) are fixed to the inner walls on both sides of the top of the machine body (100).

5. A screening device for titanium dioxide production according to claim 1, characterized in that: The right end of the inner screen (200) is connected to a feed channel (201), the lower end of the feed channel (201) is fixed to the right outer wall of the machine body (100), the upper end of the feed channel (201) is fixedly provided with a feed hopper (202), and the upper side of the left wall of the feed hopper (202) is arranged in an arc shape.

6. A screening device for titanium dioxide production according to claim 1, characterized in that: A first material channel (203), a second material channel (204), a third material channel (205) and a fourth material channel (206) are sequentially connected to the left side of the inner screen (200), the left side of the middle screen (210), the left side of the outer screen (220) and the left side of the machine body (100), wherein the upper ends of the first material channel (203), the second material channel (204), the third material channel (205) and the fourth material channel (206) are all fixed to the left outer wall of the machine body (100), and the first material channel (203), the second material channel (204), the third material channel (205) and the fourth material channel (206) are connected to the left side of the machine body (100). The inner bottom walls of the first material channel (204), the third material channel (205) and the fourth material channel (206) are arranged in an inclined downward shape with respect to the inner screen (200), the middle screen (210), the outer screen (220) and the inner bottom wall of the machine body (100), and the lower ends of the first material channel (203), the third material channel (205), the fourth material channel (206) and the fourth material channel (206) are all integrally provided with a docking screw head (207), and the outer threaded sleeve of the docking screw head (207) is provided with a plugging cap (208).

7. A screening device for titanium dioxide production according to claim 1, characterized in that: A support hinge seat (121) is installed at the center of the bottom of the base frame (120); a support column (123) is hingedly supported at the lower part of the support hinge seat (121) via a hinge shaft (122); a base (124) is fixed at the bottom of the support column (123); a wheel (125) with a lock is installed at the bottom of the base (124); hydraulic telescopic rods (126) are installed on both sides below the base frame (120); two ends of the hydraulic telescopic rod (126) are hingedly installed at the bottom of the base frame (120) and the side wall of the support column (123) via auxiliary hinge seats (127).

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