Zinc oxide dry granulation device

Abstract

The utility model discloses a zinc oxide dry granulation device, and relates to the technical field of zinc oxide production and processing, the zinc oxide dry granulation device comprises a first sieve plate, a second sieve plate, a first sieve hole, a second sieve hole and a screening assembly, the screening assembly comprises a turntable, a centrifugal column, an adapter plate, a connecting rod, a connecting plate, a sliding rod, a mounting plate, a first sliding chute and an inserting rod, the motor drives the turntable to rotate, so that the centrifugal column rotates around the central point of the turntable, the centrifugal column drives the adapter plate to reciprocate up and down, the adapter plate drives the two connecting rods to move synchronously, and the connecting rods drive the sliding rods to reciprocate through the connecting plate. The sliding rods slide in the first sliding grooves when moving to drive the mounting plates to reciprocate, so that the inserting rods on the two mounting plates are repeatedly inserted into the first screening holes and the second screening holes in the first screening plate and the second screening plate correspondingly, zinc oxide particles are prevented from blocking the first screening holes and the second screening holes, and the screening efficiency of the two screening plates is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of zinc oxide production and processing, and particularly relates to a dry granulation device for zinc oxide. Background Art

[0002] Zinc oxide is an inorganic compound, which is widely used in fields such as the rubber industry, the coating industry, the pharmaceutical field, and the electronic industry. The dry granulation device for zinc oxide is a device used to make zinc oxide powder into granular products. The working principle of the dry granulation device for zinc oxide is to use mechanical force to compress and agglomerate zinc oxide powder into granular form. Common granulation methods include extrusion, rolling, etc. Moreover, the dry granulation device for zinc oxide does not need to use liquid binders during the dry granulation process, reducing energy consumption and drying costs, and it is an efficient, energy-saving, and environmentally friendly device.

[0003] Since dry granulation mainly relies on mechanical force to combine powders, in actual production, it is difficult to achieve very precise control of particle size distribution, and the situation of uneven particle size may occur, affecting the consistency of products. Therefore, after the zinc oxide powder is granulated, it usually needs to enter a screening system to separate the particles that do not meet the particle size requirements through a sieve mesh. However, when the existing dry granulation device for zinc oxide screens zinc oxide particles, zinc oxide easily clogs the sieve holes of the sieve mesh, thus reducing the screening efficiency of the device. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a dry granulation device for zinc oxide, and by setting a screening component, the problem of low screening efficiency of the existing dry granulation device for zinc oxide is solved.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a dry granulation device for zinc oxide, including a box body. A screening component is arranged inside the box body. The screening component includes a first sieve plate and a second sieve plate that are slidably matched inside the box body. One ends of the first sieve plate and the second sieve plate are both fixedly connected with a guide plate that penetrates the box body. A plurality of first sieve holes are linearly and arrayedly formed through the top of the first sieve plate, and a plurality of second sieve holes are linearly and arrayedly formed through the top of the second sieve plate. The diameter of the first sieve holes is larger than the diameter of the second sieve holes.

[0007] Two groups of symmetrical guide plates are fixedly arranged at the bottoms of the first sieve plate and the second sieve plate. A sliding hole is formed at the bottom of the guide plate, and a T-shaped rod is slidably matched inside the sliding hole. One end of the T-shaped rod is fixedly connected with a mounting plate. A plurality of insertion rods are linearly and arrayedly fixed on the top of the mounting plate, and a first sliding groove is formed on one side of the mounting plate.

[0008] The utility model is further configured such that a transfer component is provided on one side of the mounting plate, the transfer component includes a sliding rod slidably fitted in a first sliding groove, the sliding rod slidably fits with the box body, one end of the sliding rod is fixedly connected to a connecting plate, one side of the connecting plate is fixedly connected to a connecting rod, an transfer plate is fixedly connected between the two connecting rods, and a second sliding groove is penetrated on one side of the transfer plate.

[0009] The utility model is further configured as follows: an L-shaped support plate is fixedly connected to one side of the box body, a connecting shaft is rotatably engaged with one side of the L-shaped support plate, a turntable is fixedly connected to one end of the connecting shaft, a centrifugal column is fixed at an end of the turntable away from the connecting shaft, and the centrifugal column is slidably engaged with the second slide groove.

[0010] The utility model is further configured such that a pressure column slides in the sliding hole, one end of the pressure column is fixedly connected to a spring, the end of the spring away from the pressure column is fixedly connected to the top of the guide plate, a plurality of inclined grooves are provided on the two opposite inner sides of the box body, and the first screen plate and the second screen plate are fixedly connected on the two opposite side sides with support rods that slide in cooperation with the inclined grooves.

[0011] The utility model is further configured as follows: two third sliding grooves are opened on one side of the box body, and a dust baffle plate is slidably fitted in the third sliding groove and is sleeved on the side surface of the sliding rod. Two support seats are fixedly connected between the two third sliding grooves on one side of the box body, and a support hole is penetrated on one side of the support seat and slidably fits with the connecting rod.

[0012] The utility model is further configured as follows: an upper hopper is fixed on the top of the box body, two symmetrical rollers are rotatably provided in the box body, a crusher is rotatably provided below the two rollers in the box body, a collecting hopper is fixed below the crusher in the box body, and a lower hopper is fixed at the bottom of the box body.

[0013] The utility model is further configured as follows: a driving assembly is provided on one side of the box body, and the driving assembly includes a first pulley, a second pulley, and a third pulley respectively fixedly connected to one of the rollers, the crusher, and the connecting shaft; a motor is fixedly connected to one side of the box body, and the motor output shaft is fixedly connected to the first pulley; a transmission belt is jointly sleeved on the circumferential sides of the first pulley, the second pulley, and the third pulley; a driving wheel is fixedly connected between one of the rollers and the first pulley, and a driven wheel meshing with the driving wheel is fixedly connected to one end of the other roller.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model separates zinc oxide particles with larger and smaller sizes successively by arranging two sieve plates to improve the production quality of zinc oxide particles. Meanwhile, the motor drives the turntable to rotate, so that the centrifugal column rotates around the center point of the turntable. The centrifugal column drives the adapter plate to move up and down reciprocally, and the adapter plate drives the two connecting rods to move synchronously. The connecting rods drive the sliding rod to move reciprocally through the connecting plate. By using the sliding of the sliding rod in the first chute, the mounting plate is driven to move reciprocally along the inclined direction of the T-shaped rod, so that the insertion rods on the two mounting plates are respectively inserted into the first sieve holes and the second sieve holes repeatedly, thus preventing the zinc oxide particles from blocking the first sieve holes and the second sieve holes and improving the screening efficiency of the two sieve plates.

[0016] 2. When the mounting plate moves reciprocally by rotating the turntable in the utility model, the mounting plate will drive the T-shaped rod to repeatedly hit the pressing column and drive the spring to contract. By using the expansion and contraction of the spring, the first sieve plate and the second sieve plate are driven to move reciprocally relative to the box body, so that the first sieve plate and the second sieve plate have a certain vibration effect while screening, to improve the screening efficiency of the first sieve plate and the second sieve plate and prevent the zinc oxide particles from accumulating on their upper surfaces due to the small inclination angles of the first sieve plate and the second sieve plate.

[0017] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic structural diagram of a zinc oxide dry granulation device.

[0020] Figure 2 It is a schematic structural diagram after removing the box body.

[0021] Figure 3 It is a schematic cross-sectional diagram of the box body.

[0022] Figure 4 It is a schematic structural diagram of the sieve plate and the dredging mechanism.

[0023] Figure 5 For Figure 2 the enlarged schematic diagram at A in

[0024] Figure 6 It is a schematic structural diagram of the adapter component.

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1. Box; 101. Slant slot; 102. Third slide slot; 103. Support seat; 104. Support hole; 2. Screening assembly; 201. First screen plate; 202. Second screen plate; 203. Guide plate; 204. First screen hole; 205. Second screen hole; 206. Guide plate; 207. Slide hole; 208. T-shaped rod; 209. Mounting plate; 210. Insert rod; 211. First slide slot; 212. L-shaped support plate; 213. Pressure column; 214. Spring; 215. Support rod; 216. Ash baffle; 3. Adapter; 301. Slide bar; 302. Connecting plate; 303. Connecting rod; 304. Adapter plate; 305. Connecting shaft; 306. Turntable; 307. Centrifugal column; 308. Second chute; 4. Upper hopper; 5. Roller; 6. Crusher; 7. Collecting hopper; 8. Lower hopper; 9. Driving assembly; 901. First pulley; 902. Second pulley; 903. Third pulley; 904. Motor; 905. Transmission belt; 906. Driving wheel; 907. Driven wheel. DETAILED DESCRIPTION

[0027] 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 of 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. Specific embodiment 1

[0029] See also Figures 1-6, the utility model relates to a zinc oxide dry granulation device, which comprises a box body 1. A screening assembly 2 is arranged in the box body 1. The screening assembly 2 includes a first sieve plate 201 and a second sieve plate 202 that are slidably fitted in the box body 1. One ends of the first sieve plate 201 and the second sieve plate 202 are fixedly connected with a material guiding plate 203 that penetrates through the box body 1. A number of first sieve holes 204 are linearly arrayed and penetrated through the top of the first sieve plate 201, and a number of second sieve holes 205 are linearly arrayed and penetrated through the top of the second sieve plate 202. The diameter of the first sieve holes 204 is larger than that of the second sieve holes 205. Symmetrically arranged two groups of guiding plates 206 are fixed at the bottoms of the first sieve plate 201 and the second sieve plate 202. A sliding hole 207 is opened at the bottom of the guiding plate 206. A T-shaped rod 208 is slidably fitted in the sliding hole 207. One end of the T-shaped rod 208 is fixed with a mounting plate 209. A number of inserting rods 210 are linearly arrayed and fixed at the top of the mounting plate 209. A first sliding groove 211 is opened at one side of the mounting plate 209. Since the first sieve plate 201 is located above the second sieve plate 202, the particles with too large size in the zinc oxide particles can be screened out by the first sieve plate 201, and the larger particles are discharged out of the box body 1 by the material guiding plate 203 at one end of the first sieve plate 201 for collection. The second sieve plate 202 is used to screen the zinc oxide particles falling from the first sieve holes 204, and the unformed zinc oxide powder or the zinc oxide particles with smaller size are discharged from the second sieve holes 205 to the bottom of the box body 1, while the zinc oxide particles with qualified size are discharged out of the box body 1 by the material guiding plate 203 at one end of the second sieve plate 202 for collection. At the same time, the inserting rods 210 are controlled to be inserted into the first sieve holes 204 and the second sieve holes 205 to conduct dredging.

[0030] Specifically, a transfer component 3 is arranged at one side of the mounting plate 209. The transfer component 3 includes a sliding rod 301 that is slidably fitted in the first sliding groove 211. The sliding rod 301 is slidably fitted with the box body 1. One end of the sliding rod 301 is fixedly connected with a connecting plate 302. A connecting rod 303 is fixedly connected to one side of the connecting plate 302. A transfer plate 304 is fixedly connected between the two connecting rods 303. A second sliding groove 308 is penetrated through one side of the transfer plate 304. An L-shaped support plate 212 is fixedly connected to one side of the box body 1. A connecting shaft 305 is rotatably fitted on one side of the L-shaped support plate 212. A turntable 306 is fixedly connected to one end of the connecting shaft 305. An eccentric column 307 is fixedly connected to the end of the turntable 306 far away from the connecting shaft 305 and deviates from the center position. The eccentric column 307 is slidably fitted with the second sliding groove 308. The reciprocating movement of the mounting plate 209 is controlled by the transfer component 3, so that the inserting rods 210 are repeatedly inserted into the first sieve holes 204 and the second sieve holes 205, thereby avoiding blockage.

[0031] The operation process of this embodiment is as follows: After the zinc oxide powder is made into particles, the formed zinc oxide particles first fall onto the upper surface of the first sieve plate 201 and roll on its upper surface. Since the diameter of the first sieve holes 204 on the first sieve plate 201 is slightly larger than the standard diameter of the zinc oxide particles, the unformed zinc oxide powder or the zinc oxide particles with a diameter smaller than the diameter of the first sieve holes 204 pass through the first sieve holes 204 to reach the upper surface of the second sieve plate 202, while the particles with too large dimensions are discharged out of the box body 1 through the guide plate 203 at one end of the first sieve plate 201 for recycling. Since the diameter of the second sieve holes 205 on the second sieve plate 202 is slightly smaller than the standard diameter of the zinc oxide particles, the unformed zinc oxide powder or the zinc oxide particles with smaller dimensions are discharged from the second sieve holes 205 to the bottom of the box body 1, while the zinc oxide particles with qualified dimensions are discharged out of the box body 1 through the guide plate 203 at one end of the second sieve plate 202 for collection. During the screening process, by rotating the turntable 306, the centrifugal column 307 rotates around the center point of the turntable 306. The centrifugal column 307 drives the adapter plate 304 to move up and down reciprocally. The adapter plate 304 drives the two connecting rods 303 to move synchronously. The connecting rods 303 drive the sliding rod 301 to move reciprocally through the connecting plate 302. By using the sliding of the sliding rod 301 in the first chute 211 to drive the mounting plate 209 to move reciprocally along the inclined direction of the T-shaped rod 208, so that the insertion rods 210 on the two mounting plates 209 are respectively repeatedly inserted into the first sieve holes 204 and the second sieve holes 205, thereby preventing the zinc oxide particles from blocking the first sieve holes 204 and the second sieve holes 205. Specific Embodiment Two

[0033] Please refer to Figures 1-6 , on the basis of Specific Embodiment One, specifically, a pressure column 213 is slidably fitted in the sliding hole 207. One end of the pressure column 213 is fixedly connected with a spring 214. The end of the spring 214 away from the pressure column 213 is fixedly connected with the inner top of the guide plate 206. A plurality of inclined slots 101 are opened on the opposite two inner sides of the box body 1. The opposite two sides of the first sieve plate 201 and the second sieve plate 202 are fixedly connected with support rods 215 that are slidably fitted with the inclined slots 101. By providing the inclined slots 101 and the support rods 215, the first sieve plate 201 and the second sieve plate 202 can move relative to the box body 1 by a certain amplitude.

[0034] Further, two third chutes 102 are opened on one side of the box body 1. A dust-proof plate 216 sleeved on the peripheral side of the sliding rod 301 is slidably fitted in the third chutes 102. Two support seats 103 are fixedly connected between the two third chutes 102 on one side of the box body 1. A support hole 104 slidably fitted with the connecting rod 303 is opened through one side of the support seat 103. The adapter plate 304 and the connecting rod 303 are constrained to move reciprocally in the same straight line through the support hole 104.

[0035] The operation process of this embodiment is as follows: While the mounting plate 209 makes reciprocating movements by rotating the turntable 306, the mounting plate 209 drives the T-shaped rod 208 to repeatedly strike the pressing column 213, and drives the spring 214 to contract. Thus, the spring 214 is utilized to drive the first sieve plate 201 and the second sieve plate 202 to make reciprocating movements relative to the box body 1, so that the first sieve plate 201 and the second sieve plate 202 have a certain vibration effect when screening zinc oxide particles, thereby improving the screening efficiency of the first sieve plate 201 and the second sieve plate 202, and avoiding the accumulation of zinc oxide particles on their upper surfaces due to the small inclination angles of the first sieve plate 201 and the second sieve plate 202.

[0036] Since the sliding rod 301 penetrates the box body 1 and can move relative to the box body 1, there is a certain gap at the connection between the box body 1 and the sliding rod 301. To prevent zinc oxide particles from falling outside the box body 1 through this gap, a dust baffle 216 is provided to block this gap. Specific Embodiment Three

[0038] Please refer to Figures 1-6 , on the basis of Specific Embodiment One and Specific Embodiment Two, specifically, a feeding hopper 4 is fixed to the top of the box body 1, two symmetric rollers 5 are rotatably fitted in the box body 1, a crusher 6 is rotatably fitted below the two rollers 5 in the box body 1, a collecting hopper 7 is fixed below the crusher 6 in the box body 1, and a discharging hopper 8 is fixed to the bottom of the box body 1.

[0039] Furthermore, a driving assembly 9 is provided on one side of the box body 1. The driving assembly 9 includes a first pulley 901, a second pulley 902, and a third pulley 903 which are respectively fixedly connected to a roller 5, the crusher 6, and the connecting shaft 305. A motor 904 is fixedly connected to one side of the box body 1, and the output shaft of the motor 904 is fixedly connected to the first pulley 901. A transmission belt 905 is commonly sleeved on the circumferential sides of the first pulley 901, the second pulley 902, and the third pulley 903. A driving wheel 906 is fixedly connected between the roller 5 and the first pulley 901, and a driven wheel 907 which is meshed with the driving wheel 906 is fixedly connected to one end of the other roller 5.

[0040] The operation process of this embodiment is as follows: The output shaft of the motor 904 drives the first pulley 901 to rotate, and at the same time, the driving wheel 906 between the first pulley 901 and the roller 5 also starts to rotate synchronously. Since the driving wheel 906 and the driven wheel 907 are two mutually meshed straight-tooth circumferential gears, the driving wheel 906 drives the driven wheel 907 meshed with it to rotate in the opposite direction, and the first pulley 901 drives the second pulley 902 and the third pulley 903 to rotate through the transmission belt 905, thereby driving the two rollers 5, the crusher 6, and the turntable 306 to rotate;

[0041] When the device is operating, first pour zinc oxide powder from the feeding hopper 4 between the two rollers 5, and then the two rollers 5 rotate in opposite directions to extrude the zinc oxide powder, so that the zinc oxide powder gradually combines tightly under the pressure of the rollers 5 to form a powder cake with a certain strength and shape. Then, the powder cake is impacted and sheared by the high-speed rotating hammer heads, blades or other crushing components on the crusher 6 to break the powder cake into granular form. Finally, the formed zinc oxide particles are screened by the screening assembly 2, and the obtained zinc oxide powder or smaller particles are collected through the discharging hopper 8.

[0042] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0043] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present utility model, so that those skilled in the technical field can understand and utilize the present utility model well. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A dry granulation device for zinc oxide, comprising a box body (1), characterized in that: A screening component (2) is arranged in the box body (1), and the screening component (2) comprises a first screen plate (201) and a second screen plate (202) which are slidably fitted in the box body (1); one end of each of the first screen plate (201) and the second screen plate (202) is fixedly connected to a material guide plate (203) which passes through the box body (1); a plurality of first screen holes (204) are formed in a linear array on the top of the first screen plate (201); a plurality of second screen holes (205) are formed in a linear array on the top of the second screen plate (202); and the diameter of the first screen hole (204) is larger than the diameter of the second screen hole (205); Two symmetrical groups of guide plates (206) are fixed at the bottom of each of the first sieve plate (201) and the second sieve plate (202); a sliding hole (207) is provided at the bottom of each of the guide plates (206); a T-shaped rod (208) is slidably fitted in the sliding hole (207); a mounting plate (209) is fixed at one end of the T-shaped rod (208); a plurality of insertion rods (210) are fixed at the top of the mounting plate (209) in a linear array; and a first sliding groove (211) is provided at one side of the mounting plate (209).

2. The zinc oxide dry granulation device according to claim 1, characterized in that A transfer component (3) is provided on one side of the mounting plate (209), and the transfer component (3) comprises a slide rod (301) slidably engaged in a first slide groove (211), the slide rod (301) slidably engaged with the box body (1), one end of the slide rod (301) is fixedly connected to a connecting plate (302), one side of the connecting plate (302) is fixedly connected to a connecting rod (303), an transfer plate (304) is fixedly connected between the two connecting rods (303), and one side of the transfer plate (304) is provided with a second slide groove (308) extending through it.

3. The zinc oxide dry granulation device according to claim 2, characterized in that, An L-shaped support plate (212) is fixedly connected to one side of the box body (1); a connecting shaft (305) is rotatably engaged with one side of the L-shaped support plate (212); a turntable (306) is fixedly connected to one end of the connecting shaft (305); a centrifugal column (307) is fixedly disposed at an end of the turntable (306) away from the connecting shaft (305) and deviating from the center; the centrifugal column (307) is slidably engaged with a second slide groove (308).

4. The zinc oxide dry granulation device according to claim 3, characterized in that, A pressure column (213) is slidably engaged in the sliding hole (207); one end of the pressure column (213) is fixedly connected to a spring (214); one end of the spring (214) away from the pressure column (213) is fixedly connected to the top of the guide plate (206); two opposite inner side surfaces of the box body (1) are provided with a plurality of inclined grooves (101); and two opposite side surfaces of the first sieve plate (201) and the second sieve plate (202) are fixedly connected to support rods (215) slidably engaged with the inclined grooves (101).

5. An apparatus for dry granulation of zinc oxide according to claim 4, characterized in that, On one side of the box body (1), two third sliding grooves (102) are opened. A dust baffle (216) sleeved on the peripheral side of the sliding rod (301) is slidably fitted in the third sliding grooves (102). Between the two third sliding grooves (102) on one side of the box body (1), two support seats (103) are fixedly connected. A support hole (104) slidably fitted with the connecting rod (303) is penetrated and opened on one side of the support seat (103).

6. The zinc oxide dry granulation device according to claim 5, characterized in that, A feeding hopper (4) is fixed on the top of the box body (1). Two symmetric rollers (5) are rotatably fitted in the box body (1). A crusher (6) is rotatably fitted below the two rollers (5) in the box body (1). An aggregate hopper (7) is fixed below the crusher (6) in the box body (1). A discharging hopper (8) is fixed at the bottom of the box body (1).

7. The zinc oxide dry granulation device according to claim 6, characterized in that, A driving assembly (9) is arranged on one side of the box body (1). The driving assembly (9) includes a first pulley (901), a second pulley (902), and a third pulley (903) respectively fixedly connected to one of the rollers (5), the crusher (6), and the connecting shaft (305). A motor (904) is fixedly connected to one side of the box body (1). The output shaft of the motor (904) is fixedly connected to the first pulley (901). A transmission belt (905) is jointly sleeved on the peripheral sides of the first pulley (901), the second pulley (902), and the third pulley (903). A driving wheel (906) is fixedly connected between one of the rollers (5) and the first pulley (901). A driven wheel (907) meshing with the driving wheel (906) is fixedly connected to one end of the other roller (5).

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