Screening device for processing ammonium polyphosphate flame retardant

Abstract

The utility model belongs to the field of screening devices, and particularly relates to a screening device for processing an ammonium polyphosphate flame retardant, which comprises a tank body, support legs are welded at the lower end of the tank body, a discharge pipe is arranged at the lower end of the tank body, a filter casing is connected in the tank body in a sliding manner, and a limiting mechanism is arranged on the tank body. And a vibration mechanism is arranged in the tank body. The motor drives the square rod to rotate, so that the connecting rod drives the inclined block to move, the inclined block is in contact and collision with the stop block, the filter casing can vibrate in the tank body, and the ammonium polyphosphate flame retardant can be screened more efficiently by the filter casing.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a screening device for processing ammonium polyphosphate flame retardant. Background Art

[0002] Ammonium polyphosphate is a commonly used flame retardant. It has good flame retardant effect and thermal stability. It can be widely used in plastics, rubber, coatings and other materials. It can effectively improve the flame retardant properties of materials and reduce the occurrence of fire accidents. Ammonium polyphosphate flame retardant needs to be screened during the processing process.

[0003] The utility model patent with the patent authorization announcement number CN216261235U discloses a screening device for flame retardant production, which includes a base and a crushing screen, the crushing screen being fixedly connected to the base; the crushing screen including a housing and an air flow pulverizer and a screening mechanism disposed within the housing, the air flow pulverizer being located below the screening mechanism, the screening mechanism including a lower filter plate, an upper filter plate, a first discharge pipe, and a second discharge pipe disposed within the housing from bottom to top, a receiving channel being provided on the inner wall of the housing between the lower filter plate and the upper filter plate, the receiving channel being connected to a first discharge pipe outside the side wall, the first discharge pipe being connected to a first induced draft assembly, a second discharge pipe being provided above the upper filter plate, the second discharge pipe being connected to a second induced draft assembly. This application has a double filtering and screening process, which improves the accuracy of the screening and facilitates the subsequent use of flame retardants of different particle sizes for different purposes.

[0004] However, when the device is in use, the ammonium polyphosphate flame retardant screening efficiency is low. At the same time, when the device is in use, it is inconvenient to take the filter cover out of the tank body, which makes it difficult to clean the impurities in the filter cover. Utility Model Content

[0005] The purpose of the utility model is to provide a screening device for processing ammonium polyphosphate flame retardant, which solves the problem of low screening efficiency of ammonium polyphosphate flame retardant and the inconvenience of removing and placing the filter cover from the tank body when the device is in use, resulting in inconvenience in cleaning impurities in the filter cover.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device for processing ammonium polyphosphate flame retardant, comprising a tank body, a support leg welded to the lower end of the tank body, a discharge pipe provided at the lower end of the tank body, a filter cover slidably connected to the interior of the tank body, a limiting mechanism provided on the tank body, and a vibration mechanism provided inside the tank body.

[0007] Preferably, the limiting mechanism includes a support shaft welded to the upper end of the tank body, a connecting plate mounted on the outer side of the upper end of the support shaft via a bearing, a plunger slidably connected to the interior of the connecting plate, a retaining ring fixedly connected to the outer side of the plunger, the retaining ring in contact with the filter cover, the plunger and the filter cover being slidably connected, and a spring disposed on the outer side of the plunger. The spring acts on the retaining ring, allowing the plunger to slide within the connecting plate, and by rotating the connecting plate, the filter cover can be more conveniently removed from the tank body.

[0008] Preferably, a baffle is welded to the upper end of the insertion rod, and the baffle is in contact with the connecting plate. By providing the baffle, the insertion rod is limited.

[0009] Preferably, one end of the spring contacts the connecting plate, and the other end of the spring is fixedly connected to the retaining ring. By providing the spring, the retaining ring is easy to reset.

[0010] Preferably, the vibration mechanism includes a support plate, a motor fixedly mounted at the middle portion of the lower end of the support plate, a rotating shaft of the motor extending through the support plate and rotatably connected thereto, a square rod welded to the upper end of the motor shaft, a connecting rod fixedly connected to the surface of the square rod, and an inclined block welded to the end of the connecting rod. The motor drives the square rod to rotate, thereby causing the connecting rod to move the inclined block, causing the inclined block to contact and collide with a stopper, thereby causing the filter housing to vibrate within the tank, thereby making the filter housing more efficient in screening the ammonium polyphosphate flame retardant.

[0011] Preferably, a support rod is fixedly connected to the surface of the support plate, and the support rod is fixedly connected to the inner wall of the tank body. The support plate is supported by providing the support rod.

[0012] Preferably, a stopper is fixedly connected to the lower end of the filter cover, and the stopper is in contact with the inclined block. By arranging the stopper, the filter cover is easy to vibrate up and down.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model acts on the retaining ring through the spring, so that the plug rod can slide in the connecting plate, and by rotating the connecting plate, the filter cover can be taken in and out of the tank more conveniently.

[0015] 2. The utility model drives the square rod to rotate through a motor, thereby causing the connecting rod to drive the inclined block to move, so that the inclined block and the stop block contact and collide, thereby allowing the filter cover to vibrate in the tank body, thereby making the filter cover more efficient in screening ammonium polyphosphate flame retardant. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2For this utility model Figure 1 sectional view of

[0018] Figure 3 For this utility model Figure 2 Bottom view of the filter cover;

[0019] Figure 4 For this utility model Figure 2 Enlarged view of point A.

[0020] In the figure: 1. Tank body; 2. Support foot; 3. Discharge pipe; 4. Filter cover; 5. Limiting mechanism; 6. Vibrating mechanism; 51. Support shaft; 52. Connecting plate; 53. Insert rod; 54. Baffle; 55. Retaining ring; 56. Spring; 61. Support rod; 62. Support plate; 63. Motor; 64. Square rod; 65. Connecting rod; 66. Oblique block; 67. Baffle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 2 A screening device for processing ammonium polyphosphate flame retardant includes a tank body 1, a support leg 2 is welded at the lower end of the tank body 1, a discharge pipe 3 is provided at the lower end of the tank body 1, a filter cover 4 is slidably connected to the inside of the tank body 1, a limiting mechanism 5 is provided on the tank body 1, and a vibration mechanism 6 is provided inside the tank body 1.

[0023] See also Figure 1-Figure 3 The filter cover 4 is in contact with the filter housing 4, and the filter housing 4 is in contact with the filter housing 4. The filter housing 4 is in contact with the filter housing 4, and the filter housing 4 is in contact with the filter housing 4. The filter housing 4 is in contact with the filter housing 4, and the filter housing 4 is in contact with the filter housing 4.

[0024] See also Figure 1-Figure 4The vibration mechanism 6 includes a support plate 62, and a motor 63 is fixedly installed in the middle of the lower end of the support plate 62. The surface of the support plate 62 is fixedly connected to a support rod 61, and the support rod 61 is fixedly connected to the inner wall of the tank body 1. By setting the support rod 61, the support plate 62 is supported, and the rotating shaft of the motor 63 passes through the support plate 62 and is rotatably connected to the support plate 62. The upper end of the rotating shaft of the motor 63 is welded with a square rod 64, and the surface of the square rod 64 is fixedly connected to a connecting rod 65. The end of the connecting rod 65 is welded with an inclined block 66. The lower end of the filter cover 4 is fixedly connected to a stopper 67, and the stopper 67 contacts the inclined block 66. By setting the stopper 67, the filter cover 4 is easy to vibrate up and down, and the motor 63 drives the square rod 64 to rotate, thereby causing the connecting rod 65 to drive the inclined block 66 to move, so that the inclined block 66 and the stopper 67 contact and collide, thereby allowing the filter cover 4 to vibrate in the tank body 1, thereby making the filter cover 4 more efficient in screening ammonium polyphosphate flame retardant.

[0025] The specific implementation process of the present utility model is as follows: when in use, pour the ammonium polyphosphate flame retardant into the filter cover 4, start the motor 63, the motor 63 drives the square rod 64 to rotate, the square rod 64 drives the connecting rod 65 to move, the connecting rod 65 drives the inclined block 66 to displace, the inclined block 66 moves and contacts and collides with the stopper 67, thereby allowing the filter cover 4 to vibrate in the tank body 1, thereby making the filter cover 4 more efficient in screening the ammonium polyphosphate flame retardant, and then manually move the insertion rod 53 upward to disengage the insertion rod 53 and the filter cover 4, thereby causing the retaining ring 55 to move, and the retaining ring 55 moves up to squeeze the spring 56, and then the connecting plate 52 is rotated relative to the support shaft 51, so that the filter cover 4 can be taken out of the tank body 1, and the spring 56 acts on the retaining ring 55, so that the insertion rod 53 can slide in the connecting plate 52, and by rotating the connecting plate 52, the filter cover 4 can be taken in and placed in the tank body 1 more conveniently.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening device for processing ammonium polyphosphate flame retardant, comprising a tank body (1), characterized in that: A support leg (2) is welded to the lower end of the tank body (1), a discharge pipe (3) is provided at the lower end of the tank body (1), a filter cover (4) is slidably connected to the interior of the tank body (1), a limiting mechanism (5) is provided on the tank body (1), and a vibration mechanism (6) is provided inside the tank body (1).

2. The screening device for processing ammonium polyphosphate flame retardant according to claim 1, characterized in that: The limiting mechanism (5) comprises a support shaft (51), the support shaft (51) is welded to the upper end of the tank body (1), a connecting plate (52) is mounted on the outer side of the upper end of the support shaft (51) via a bearing, an insert rod (53) is slidably connected to the interior of the connecting plate (52), a retaining ring (55) is fixedly connected to the outer side of the insert rod (53), the retaining ring (55) is in contact with the filter cover (4), the insert rod (53) and the filter cover (4) are slidably connected, and a spring (56) is provided on the outer side of the insert rod (53).

3. The screening device for processing ammonium polyphosphate flame retardant according to claim 2, characterized in that: A baffle (54) is welded to the upper end of the insertion rod (53), and the baffle (54) is in contact with the connecting plate (52).

4. The screening device for processing ammonium polyphosphate flame retardant according to claim 2, characterized in that: One end of the spring (56) contacts the connecting plate (52), and the other end of the spring (56) is fixedly connected to the retaining ring (55).

5. The screening device for processing ammonium polyphosphate flame retardant according to claim 1, characterized in that: The vibration mechanism (6) includes a support plate (62), a motor (63) is fixedly mounted at the middle portion of the lower end of the support plate (62), a rotating shaft of the motor (63) passes through the support plate (62) and is rotatably connected to the support plate (62), a square rod (64) is welded to the upper end of the rotating shaft of the motor (63), a connecting rod (65) is fixedly connected to the surface of the square rod (64), and an inclined block (66) is welded to the end of the connecting rod (65).

6. The screening device for processing ammonium polyphosphate flame retardant according to claim 5, characterized in that: A support rod (61) is fixedly connected to the surface of the support plate (62), and the support rod (61) is fixedly connected to the inner wall of the tank body (1).

7. The screening device for processing ammonium polyphosphate flame retardant according to claim 5, characterized in that: A stopper (67) is fixedly connected to the lower end of the filter cover (4), and the stopper (67) is in contact with the inclined block (66).

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