Crushing and screening device for aluminum hydroxide powder production
By introducing a support frame and adjustment mechanism into the aluminum hydroxide powder production device, the continuity of the crushing and screening process can be achieved without affecting the cleaning of the screening screen, thus solving the problem of low efficiency caused by shutdown for cleaning in existing devices and improving processing efficiency.
Patent Information
- Application Number
- CN202520184739.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-06
AI Technical Summary
Existing aluminum hydroxide powder production crushing and screening devices require shutdown when cleaning large aluminum hydroxide particles in the screening mechanism, resulting in a discontinuous crushing and screening process and low efficiency.
Design a crushing and screening device for aluminum hydroxide powder production, comprising a support frame, a screening hopper, a screening mechanism, and an adjustment mechanism. The adjustment mechanism moves the crushing hopper above another unused screening mechanism to ensure that the continuity of the crushing and screening process is not affected when cleaning the screening screen.
This reduces downtime for cleaning and screening large aluminum hydroxide particles, achieving continuity and high efficiency in the aluminum hydroxide crushing and screening process.
Smart Images
Figure CN223847057U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to an aluminum hydroxide powder screening technology field, in particular to a crushing and screening device for aluminum hydroxide powder production. BACKGROUND
[0002] Aluminum hydroxide has multiple functions such as flame retardation, smoke suppression and filling, does not cause secondary pollution, can produce synergistic flame retardation effect with various substances, is widely applied to flame retardant additives of composite materials and has become the most used environment-friendly inorganic flame retardant. In the production of aluminum hydroxide powder, a screening device is usually used to scatter blocky aluminum hydroxide and then screen.
[0003] The existing crushing and screening device for aluminum hydroxide powder production mainly comprises a crushing tank, a crushing mechanism installed on the crushing tank and a single screening mechanism installed at the bottom end of the crushing tank. During the production and screening of aluminum hydroxide powder, blocky aluminum hydroxide raw materials are first added to the crushing tank, then the blocky aluminum hydroxide in the crushing tank is crushed by means of the crushing mechanism, and finally the crushed aluminum hydroxide is screened by means of the screening mechanism, so as to realize the crushing and screening processing of aluminum hydroxide.
[0004] Although the existing crushing and screening device for aluminum hydroxide powder production can realize the crushing and screening processing of aluminum hydroxide, a large amount of large-particle aluminum hydroxide is often accumulated on the screening mesh plate in the screening mechanism during the crushing and screening process. In order to ensure the efficient operation of the crushing and screening process, the device needs to be stopped for a period of time after screening to clean the large-particle aluminum hydroxide on the screening mesh plate in the screening mechanism. Since the cleaning time is relatively long, the crushing and screening process of aluminum hydroxide is not continuous, thereby reducing the crushing and screening efficiency of aluminum hydroxide. SUMMARY
[0005] In view of the deficiencies of the prior art, the application aims to provide a crushing and screening device for aluminum hydroxide powder production which can reduce the downtime of the device when cleaning large-particle aluminum hydroxide after screening by means of alternating screening, and ensure the continuity of the crushing and screening process of aluminum hydroxide.
[0006] The above application purpose of the application is realized by the following technical scheme:
[0007] The application discloses a crushing and screening device for aluminum hydroxide powder production, which comprises a supporting frame, two screening hoppers are symmetrically arranged in the middle of the supporting frame, a screening mechanism is arranged in each screening hopper, the screening mechanism comprises a screening net plate, spring rods and a vibrating motor, an adjusting mechanism is arranged on the top of the supporting frame, the adjusting mechanism comprises a sliding base, sliding legs, a lead screw, sliding grooves and an adjusting motor, a crushing tank is arranged on the top of the sliding base, a crushing mechanism is arranged on the crushing tank, the two sliding grooves are arranged on the top of the supporting frame in parallel, the two sliding legs are symmetrically arranged on the bottom of the sliding base, the lead screw is arranged in one of the sliding grooves, and the power input end of the lead screw is connected with the adjusting motor.
[0008] Optionally, the crushing mechanism comprises a crushing motor and a crushing shaft, the crushing motor is arranged in the middle of the top of the crushing tank, and the crushing shaft is arranged at the power output end of the crushing motor.
[0009] Optionally, a feeding pipe is arranged on one side of the top of the crushing tank, a discharging pipe arranged at the middle of the bottom of the crushing tank penetrates the sliding base, and a gap is reserved between the discharging pipe arranged at the bottom of the crushing tank and the screening hopper.
[0010] Optionally, the sliding legs are in sliding connection with the sliding grooves, the lead screw penetrates the corresponding sliding leg and is in threaded connection with the sliding leg.
[0011] Optionally, the adjusting motor is in shaft connection with the lead screw, and the lead screw is in rotating connection with the corresponding sliding groove.
[0012] Optionally, the screening net plate is in sliding connection with the screening hopper at the edge of the screening net plate, and a square protruding edge is arranged on the outer periphery of the upper end of the screening net plate.
[0013] Optionally, the matching part between the screening hopper and the edge of the screening net plate is a concave structure.
[0014] Optionally, the telescopic part of the spring rod is in bolt connection with the screening net plate, and the fixed part of the spring rod is in bolt connection with the screening hopper.
[0015] Optionally, the vibrating motor is in bolt connection with the outer periphery of the bottom of the screening net plate, and a gap is reserved between the vibrating motor and the bottom of the concave structure in the screening hopper.
[0016] In conclusion, the application has at least the following beneficial technical effects:
[0017] The utility model discloses a support frame installs two screening hopper in, and installs a screening mechanism that is formed by screening net board, spring rod and vibration motor respectively in each screening hopper, and simultaneously installs an adjusting mechanism that is formed by sliding seat, slide foot, screw rod, sliding slot and adjusting motor between the upper side of support frame and the crushing tank, can move the crushing tank to the other unused screening mechanism directly above when the screening net board in a screening mechanism is cleaned in the aluminum hydroxide crushing screening process, to ensure that the screening net board on a screening mechanism can be cleaned when the aluminum hydroxide crushing screening process continues, reduces the downtime of the device when the large particle aluminum hydroxide on the screening mechanism is cleaned, makes the aluminum hydroxide crushing screening process more continuous, and the processing efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structural schematic diagram provided by the embodiment of the application;
[0019] Figure 2 It is the main sectional view provided by the embodiment of the application;
[0020] Figure 3 It is the structural schematic diagram provided by the embodiment of the application; Figure 2 The enlarged view of A in the middle;
[0021] Figure 4 It is the split drawing of support frame and adjusting mechanism provided by the embodiment of the application;
[0022] Figure 5 It is the structural schematic diagram of screening net board provided by the embodiment of the application.
[0023] Fig. 1, the feeding pipe;2, the crushing tank;3, the screening hopper;4, the support frame;5, the crushing mechanism;51, the crushing motor;52, the crushing shaft;6, the screening mechanism;61, the screening net board;62, the spring rod;63, the vibration motor;7, the adjusting mechanism;71, the sliding seat;72, the slide foot;73, the screw rod;74, the sliding slot;75, the adjusting motor. DETAILED DESCRIPTION
[0024] The application will be further described in detail below with reference to the drawings.
[0025] In order to more clearly understand the technical scheme shown in the embodiment of the application, first, the structure and working principle of the existing aluminum hydroxide powder production crushing screening device are introduced.
[0026] The existing pulverizing and screening device for producing aluminum hydroxide powder mainly comprises a pulverizing tank, a pulverizing mechanism installed on the pulverizing tank, and a single screening mechanism installed at the bottom end of the pulverizing tank.
[0027] Please refer to Figure 1 , Figure 2 and Figure 4 , a pulverizing and screening device for producing aluminum hydroxide powder disclosed in the embodiment of the present application, which comprises a support frame 4, two screening hoppers 3 symmetrically installed in the middle of the support frame 4, a screening mechanism 6 installed in each screening hopper 3, a screening net plate 61, a spring rod 602, and a vibration motor 63, an adjusting mechanism 7 commonly installed at the top of the support frame 4, a sliding seat 71, a sliding leg 72, a lead screw 73, a sliding groove 74, and an adjusting motor 75, a pulverizing tank 2 installed at the top end of the sliding seat 71, a pulverizing mechanism 5 installed on the pulverizing tank 2, wherein the sliding groove 74 has two, and the two sliding grooves 74 are parallelly arranged at the top of the support frame 4, the sliding leg 72 has two, and the two sliding legs 72 are symmetrically installed at the bottom end of the sliding seat 71, and the two sliding legs 72 are located in the corresponding sliding grooves 74, wherein the lead screw 73 is installed in one of the sliding grooves 74, and the power input end of the lead screw 73 is connected with the adjusting motor 75; the screening mechanism 6 comprises the screening net plate 61, the spring rod 602, and the vibration motor 63, the screening net plate 61 is installed in the upper part of the screening hopper 3, the spring rod 602 is installed at the bottom end of the screening net plate 61, and the vibration motor 63 is installed at the bottom end of the screening net plate 61 between the spring rods 602.
[0028] Specifically, when cleaning the large-particle aluminum hydroxide on the screening net plate 61 of one screening mechanism 6, the pulverizing mechanism 5 is first stopped, the lead screw 73 is rotated under the action of the adjusting motor 75, the sliding seat 71 is moved along the sliding groove 74 under the thread transmission action of the rotating lead screw 73, the pulverizing tank 2 is synchronously moved with the sliding seat 71, the adjusting motor 75 is stopped when the sliding seat 71 moves above the other screening hopper 3, the discharge pipe of the pulverizing tank 2 is located above the new screening hopper 3 at this time, and then the pulverizing mechanism 5 on the pulverizing tank 2 is started to ensure the continuous pulverizing and screening process of the aluminum hydroxide, and after the pulverizing tank 2 is moved away from the cleaning screening hopper 3, the screening net plate 61 on the cleaning screening hopper 3 is exposed, and then the worker can clean the large-particle aluminum hydroxide on the screening net plate 61 in the used screening hopper 3 by hand.
[0029] Please refer to Figure 1 andFigure 2 The crushing mechanism 5 comprises a crushing motor 51 and a crushing shaft 52, the crushing motor 51 is installed at the middle of the top end of the crushing tank 2, and the crushing shaft 52 is installed at the power output end of the crushing motor 51.
[0030] As an implementation form, the crushing motor 51 is mainly used to drive the crushing shaft 52 to rotate, and the crushing shaft 52 will crush the block-shaped aluminum hydroxide added into the crushing tank 2 after rotating.
[0031] Please refer to Figure 1 and Figure 2 , the crushing tank 2 is also provided with a feeding pipe 1 at one side of the top end, and the discharge pipe at the bottom end of the crushing tank 2 penetrates the sliding seat 71, and a gap is reserved between the discharge pipe at the bottom end of the crushing tank 2 and the screening hopper 3.
[0032] As an implementation form, the block-shaped aluminum hydroxide can be conveniently added into the crushing tank 2 through the feeding pipe 1, the discharge pipe at the bottom end of the crushing tank 2 penetrates the sliding seat 71, and a gap is reserved between the discharge pipe at the bottom end of the crushing tank 2 and the screening hopper 3, so that the crushed aluminum hydroxide in the crushing tank 2 can be smoothly dropped into the screening hopper 3.
[0033] Please refer to Figure 1 and Figure 4 , the sliding foot 72 and the sliding groove 74 are in sliding fit, and the lead screw 73 penetrates the corresponding sliding foot 72 and is in threaded connection with the sliding foot 72.
[0034] As an implementation form, the sliding fit installation mode can ensure the convenient sliding adjustment of the sliding foot 72 relative to the sliding groove 74, and the sliding foot 72 can be conveniently moved under the action of threaded transmission after the rotation of the lead screw 73, so as to drive the sliding seat 71 to move synchronously.
[0035] Please refer to Figure 4 , the adjusting motor 75 is connected with the lead screw 73 through a shaft, and the lead screw 73 is in rotary fit with the corresponding sliding groove 74.
[0036] As an implementation form, the adjusting motor 75 is mainly used to provide power for the rotation of the lead screw 73, so as to ensure the convenient rotation adjustment of the lead screw 73.
[0037] Please refer to Figure 2 , Figure 3 and Figure 5 , the edge of the screening mesh plate 61 is in sliding fit with the screening hopper 3, and the upper end of the screening mesh plate 61 is provided with a square protruding edge.
[0038] As an embodiment, the sliding fit installation mode makes the screening net plate 61 slide up and down relative to the screening hopper 3, and the square protruding edge on the upper end of the screening net plate 61 can ensure that the aluminum hydroxide on the screening net plate 61 does not enter the position above the edge of the screening hopper 3 and the screening net plate 61 during the vibration screening of the screening net plate 61.
[0039] Please refer to Figure 2 , Figure 3 and Figure 5 , the matching part of the edge of the screening net plate 61 in the screening hopper 3 is a concave structure.
[0040] As an embodiment, the design of the concave structure in the screening hopper 3 provides sufficient installation space for the spring rod 62 and the vibration motor 63, and can ensure the convenient vibration expansion and contraction of the spring rod 62.
[0041] Please refer to Figure 2 , Figure 3 and Figure 5 , the expansion and contraction part of the spring rod 602 is bolted to the screening net plate 61, and the fixed part of the spring rod 602 is bolted to the screening hopper 3.
[0042] As an embodiment, the bolt fixation mode makes the two ends of the spring rod 602 more firmly fixed, so as to ensure the reliable expansion and contraction and rebound of the spring rod 602.
[0043] Please refer to Figure 2 and Figure 3 , the vibration motor 63 is bolted to the bottom end of the screening net plate 61, and a gap is reserved between the vibration motor 63 and the bottom of the concave structure in the screening hopper 3.
[0044] As an embodiment, the existence of the gap can ensure that the vibration motor 63 does not collide with the screening hopper 3 during the vibration of the screening net plate 61.
[0045] The specific working principle is that when the aluminum hydroxide is crushed and screened, the blocky aluminum hydroxide is added into the crushing tank 2 through the feeding pipe 1, then the crushing shaft 52 is rotated under the action of the crushing motor 51, the crushing shaft 52 rotates to crush the aluminum hydroxide in the crushing tank 2, the crushed aluminum hydroxide falls into the screening net plate 61 in the corresponding screening hopper 3 through the discharge pipe at the bottom end of the crushing tank 2, and the screening net plate 61 is vibrated up and down at a high frequency under the action of the spring rod 602 and the vibration motor 63 during the crushing and screening of the aluminum hydroxide, so that the screening of the aluminum hydroxide is realized while the screening net plate 61 is vibrated, the qualified aluminum hydroxide after screening falls from the lower side of the screening hopper 3, and the unqualified large-particle aluminum hydroxide after screening is intercepted on the upper side of the screening net plate 61; when the large-particle aluminum hydroxide on the screening net plate 61 of one screening mechanism 6 is cleaned after a period of screening, the crushing mechanism 5 is first stopped, the screw rod 73 is rotated under the action of the adjusting motor 75, the screw rod 73 rotates to move the sliding seat 71 along the sliding groove 74 under the action of threaded transmission, the sliding seat 71 moves synchronously with the crushing tank 2, the adjusting motor 75 is stopped when the sliding seat 71 moves above the other screening hopper 3, at this time, the discharge pipe of the crushing tank 2 is located above the new screening hopper 3, then the crushing mechanism 5 on the crushing tank 2 is started to ensure the continuous crushing and screening process of the aluminum hydroxide, and after the crushing tank 2 is moved away from the upper side of the screening hopper 3 to be cleaned, the screening net plate 61 on the screening hopper 3 to be cleaned is exposed, then the worker can clean the large-particle aluminum hydroxide on the screening net plate 61 in the used screening hopper 3 by holding a cleaning tool, since the crushing and screening process of the aluminum hydroxide is continuous during the cleaning of the screened aluminum hydroxide, the downtime of the device when cleaning the large-particle aluminum hydroxide on the screening mechanism 6 is reduced, so that the crushing and screening process of the aluminum hydroxide is more continuous, and the processing efficiency is higher.
[0046] The embodiments of the specific embodiment are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. A pulverizing and screening device for aluminum hydroxide powder production, characterized in that: The utility model provides a kind of screening device, including support frame (4), two screening hoppers (3) are symmetrically installed in the middle of support frame (4), a screening mechanism (6) is installed in each screening hopper (3), the screening mechanism (6) includes screening net board (61), spring rod (62) and vibration motor (63), one adjusting mechanism (7) is jointly installed in support frame (4) top two sides, the adjusting mechanism (7) includes slide (71), slide foot (72), screw rod (73), sliding slot (74) and adjusting motor (75), the slide (71) top is installed with crushing tank (2), the crushing tank (2) is installed with crushing mechanism (5), wherein the sliding slot (74) has two, and two the sliding slot (74) parallelly open in support frame (4) top two sides, the slide foot (72) has two, and two The slide foot (72) is symmetrically installed in the slide (71) bottom two sides, two the slide foot (72) is located in corresponding the sliding slot (74), one the sliding slot (74) is also installed with the screw rod (73) in it, the power input end of the screw rod (73) is connected with the adjusting motor (75);The screening mechanism (6) includes screening net board (61), spring rod (62) and vibration motor (63), the screening net board (61) is installed in the upper portion in the screening hopper (3), the spring rod (62) is installed in the bottom end of the screening net board (61) periphery, the vibration motor (63) is installed in the bottom end of the screening net board (61) between the spring rod (62).
2. The crushing and screening device for producing aluminum hydroxide powder according to claim 1, characterized in that: The crushing mechanism (5) includes crushing motor (51) and crushing shaft (52), the crushing motor (51) is installed in the middle of the top of the crushing tank (2), the crushing shaft (52) is installed in the power output end of the crushing motor (51).
3. The crushing and screening device for producing aluminum hydroxide powder according to claim 2, characterized in that: The top of the crushing tank (2) one side is also installed with feeding pipe (1), the outlet pipe of the bottom of the crushing tank (2) is through the slide (71), and the outlet pipe of the bottom of the crushing tank (2) and the screening hopper (3) are reserved with clearance.
4. The crushing and screening apparatus for producing aluminum hydroxide powder according to claim 1, characterized in that: The slide foot (72) is slidably connected with the sliding slot (74), the screw rod (73) is through the corresponding slide foot (72) and is threadedly connected with the slide foot (72).
5. The pulverizing and screening apparatus for producing aluminum hydroxide powder according to claim 4, characterized in that: The adjusting motor (75) is connected with the screw rod (73) through coupling, and the screw rod (73) is rotatably connected with the corresponding sliding slot (74).
6. The pulverizing and screening apparatus for producing aluminum hydroxide powder according to claim 1, characterized in that: The edge of the screening net board (61) is slidably connected with the screening hopper (3), and the upper end of the screening net board (61) is provided with a square flange.
7. The pulverizing and screening apparatus for producing aluminum hydroxide powder according to claim 6, characterized in that: The edge of the screening net board (61) is slidably connected with the screening hopper (3), and the upper end of the screening net board (61) is provided with a square flange.
8. The pulverizing and screening apparatus for producing aluminum hydroxide powder according to claim 7, characterized in that: The telescopic part of the spring rod (62) is boltedly connected with the screening net board (61), and the fixed part of the spring rod (62) is boltedly connected with the screening hopper (3).
9. The pulverizing and screening apparatus for producing aluminum hydroxide powder according to claim 7, characterized in that: The vibration motor (63) is boltedly connected with the bottom periphery of the screening net board (61), and the vibration motor (63) and the bottom of the concave structure in the screening hopper (3) are reserved with clearance.