CN219309347U - Defective tablet screening and removing device - Google Patents

Abstract

The utility model discloses a defective tablet screening and removing device which comprises a screening barrel pipe, wherein a storage hopper is fixedly arranged on the rear surface of the screening barrel pipe, a conveyer belt supporting plate is fixedly arranged at the edge of the upper surface of the storage hopper, a tablet conveyer belt is arranged on the inner side of the conveyer belt supporting plate in the storage hopper, a screening opening is formed in the lower surface of the screening barrel pipe, a threaded adjusting shaft is movably arranged in the screening opening, a dividing plate is movably sleeved on the outer surface of the threaded adjusting shaft and positioned in the screening opening, a motor fixing column is fixedly arranged in the screening barrel pipe, and a blowing device is fixedly arranged on the front surface of the motor fixing column. The cutting plate is driven to move by rotating the threaded adjusting shaft, and the cutting plate is adjusted to the falling position of the normal tablets due to different weights of the normal tablets, so that defective tablets of other types can be separated, and compared with a traditional screen separation method, the applicability is better.

Description

A screening and rejecting device for defective tablets

technical field

The utility model relates to a screening and rejecting device, in particular to a screening and rejecting device for defective tablets.

Background technique

At present, there are often defective tablets in the processing and production of various pharmaceutical tablets, and the defective products need to be screened out by a screening device.

For example, the Chinese Patent Publication No. CN209205768U is a device for rejecting defective tablets in tablet production, which includes a support, a first bearing plate and a second bearing plate, and the middle position of the front surface of the support is installed with a Drawer, the bottom end of the support seat is connected with a spring, and the end of the spring is installed with a hook, the first bearing plate is installed at the lower position of the hook, and the second bearing plate is installed at the inner side of the first bearing plate, And the front and rear ends of the second load plate are welded with fixed plates, the fixed plate is connected with the first load plate through the fixed rod, the outer side of the baffle plate is welded with an electric telescopic rod, and the end of the electric telescopic rod The limit plate is welded and installed, the middle position of the drawer is equipped with a handle, and the left and right ends of the bottom of the support are equipped with rollers. The defective tablet rejecting device used in tablet production is not only convenient for screening qualified and unqualified tablets, but also convenient for taking out qualified tablets.

The above-mentioned existing device for rejecting defective tablets in tablet production screens out the tablets with adhered foreign matter on the surface through the size of the aperture on the sieve of the carrier plate, but tablets with missing corners and irregular shapes cannot be effectively removed, and tablets of different specifications The shape of the tablet is different, and only one tablet can be screened by the sieve.

Utility model content

The purpose of this utility model is to provide a device for screening and rejecting defective tablets to solve the existing problems in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a device for screening and rejecting defective tablets, including a screening barrel, a storage hopper is fixedly installed on the rear surface of the screening barrel, and the edge of the upper surface of the storage hopper is A conveyor belt support plate is installed at a fixed position, and a tablet conveyor belt is arranged on the inside of the conveyor belt support plate inside the storage hopper. A threaded adjustment shaft, the outer surface of the threaded adjustment shaft is movably sleeved with a partition plate located inside the screening port, a motor fixing column is fixedly installed inside the screening barrel, and a blower is fixedly installed on the front surface of the motor fixing column. device.

Specifically, the tablets that need to be screened can be stored in the storage hopper through the storage hopper, and the tablet conveyor belt can be driven to rotate by starting the power device, so that the tablet can be transported from a high place and dropped into the inside of the screening barrel. After the blower device is started, It can separate lighter tablets, dust impurities, etc. with missing corners and other weights from qualified tablets. The partition plate can separate the screening port into two areas, and the lighter defective tablets will be blown more by the air blower. Far away, so that it falls into the farther area divided by the dividing plate. The normal tablet is heavier and will fall into the closer area divided by the dividing plate. Tablets of different specifications have different weights, so the standard tablet is blown away by the blower device The distances are also different. By rotating the threaded adjustment shaft, the dividing plate can be driven to move, thereby adjusting the collection range of the two divided areas inside the screening port, so as to adapt to the screening of different tablets.

Preferably, the upper surface of the screening barrel tube is provided with a feed inlet, and the outer surfaces of both sides of the screening barrel tube are provided with air inlets, and a dust-proof net is movable inside the air induction port, and the screening barrel tube Support feet are fixedly installed on the lower surface of the storage hopper.

Specifically, the tablets conveyed by the tablet conveyor belt can enter the inside of the screening barrel through the feed port, the air inlet can allow the outside air to enter the inside of the screening barrel to form an air duct, and the dust-proof net can filter the air The dust is filtered to prevent the dust from contaminating the tablets, and the supporting legs support the screening barrel and storage hopper at a suitable height.

Preferably, a rubber scraper is fixedly installed on the inner side of the conveyor belt support plate, a power motor is fixedly installed on the outer surface of one side of the conveyor belt support plate, and the output end of the power motor is connected to the roller shaft of the tablet conveyor belt.

Specifically, through the small distance between the rubber scraper and the tablet conveyor belt, only one tablet can be allowed to pass through the tablet conveyor belt, so that when the tablet conveyor belt conveys the tablet, the tablet brush will be piled up and erected. In order to prevent the tablets from stacking and falling inside the screening barrel, each tablet will have a different contact area with the wind, and the screening effect will be poor. Start the power motor to drive the roller shaft to rotate, thereby driving the tablet conveyor belt to rotate.

Preferably, a knob is fixedly installed at one end of the threaded adjustment shaft, and rubber damping plates are fixedly installed on the front surface and the rear surface of the partition plate.

Specifically, the rotation of the knob can drive the thread adjustment shaft to rotate, and the rotation of the thread adjustment shaft can drive the partition plate to move. The rubber shock absorbing plate is arranged on the front surface and the rear surface of the partition plate obliquely. After the tablet falls into the screening port, It can relieve the impact of dropping and prevent the tablet from breaking.

Preferably, the blower device includes a blower motor and fan blades, and the fan blades are fixedly installed at the output end of the blower motor.

Specifically, starting the blower motor can drive the fan blades to rotate, and the rotation of the fan blades can draw the outside air into the inside of the screening barrel to form an air duct to screen the defective tablets.

Compared with the prior art, the beneficial effects of the utility model are:

1. Start the power motor to drive the tablet conveyor belt to rotate, and the rotation of the tablet conveyor belt will transport the tablets inside the storage hopper to the feeding port and drop into the inside of the screening barrel, due to the gap between the rubber scraper and the tablet conveyor belt The interval distance is small, and only one tablet can be allowed to pass through the surface of the tablet conveyor belt, so that when the tablet conveyor belt conveys the tablets, the accumulated and erected tablets will be brushed off, and the air blowing device will be inside the screening barrel An air duct is formed to blow to the falling tablets. The lighter weight of defective tablets will be separated by the partition plate to a region farther away from the feed inlet. The normal tablet will fall and the partition plate will be separated into a region closer to the feed inlet. area, so as to separate the defective tablets such as missing corners.

2. Through the cooperation between the set screening port and the dividing plate, when it is necessary to separate tablets of different specifications, it is necessary to turn the rotary knob to drive the thread adjustment shaft to rotate, and the rotation of the thread adjustment shaft can drive the dividing plate to move, because the weight of different normal tablets is different , adjust the dividing plate to the normal tablet drop position, and then separate other types of defective tablets.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of the overall structure of the other side of the utility model;

Fig. 3 is a sectional view of the utility model.

In the figure: 1, screening barrel tube; 101, feed inlet; 102, air inlet; 103, dust-proof net; 104, support feet; 2, storage hopper; 201, tablet conveyor belt; 3, conveyor belt support plate ;301, rubber scraper; 302, power motor; 4, screening port; 401, threaded adjustment shaft; 402, knob; 5, split plate; 501, rubber damping plate; machine; 602, fan blade.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a device for screening and rejecting defective tablets, including a screening barrel 1, a storage hopper 2 is fixedly installed on the rear surface of the screening barrel 1, and a storage hopper 2 A conveyor belt support plate 3 is fixedly installed at the edge of the upper surface, a tablet conveyor belt 201 is arranged on the inside of the conveyor belt support plate 3 inside the storage hopper 2, and a screening port 4 is opened on the lower surface of the screening barrel tube 1, and the screening port 4 A threaded adjustment shaft 401 is mounted on the inside, and the outer surface of the threaded adjustment shaft 401 is movable inside the screening port 4, and the partition plate 5 is movable, and the inside of the screening barrel 1 is fixedly installed with a motor fixing column 6, and the front surface of the motor fixing column 6 A blower device is fixedly installed.

In this embodiment, the tablets to be screened can be stored in the storage hopper 2 through the storage hopper 2, and the power device is started to drive the tablet conveyor belt 201 to rotate so that the tablets can be transported from a high place and dropped into the inside of the screening barrel 1, After the blower device is activated, lighter tablets with missing corners, dust impurities, etc. can be separated from qualified tablets. The partition plate 5 can separate the screening port 4 into two areas, and the lighter defective tablets It will be blown farther by the blower device, so that it will fall into the farther area divided by the dividing plate 5. Normal tablets that are heavier will fall into the closer area divided by the dividing plate 5. Tablets of different specifications have different weights. As a result, the standard tablet is blown away by the air blowing device at different distances. By rotating the threaded adjustment shaft 401, the dividing plate 5 can be driven to move, thereby adjusting the collection range of the divided two areas inside the screening port 4, thereby adapting to different tablets. filter.

Among them, in order to realize the purpose of conveying the tablet to a high altitude and drop into the screening barrel 1, the device adopts the following technical scheme to realize: the upper surface of the screening barrel 1 is provided with a feed port 101, and the two sides of the screening barrel 1 The outer surface is provided with an air inlet 102, and the inside of the air inlet 102 is installed with a dust-proof net 103. The lower surface of the screening barrel 1 and the storage hopper 2 are fixedly equipped with support feet 104, and the inner side of the conveyor belt support plate 3 is fixedly installed with a rubber scraper. Plate 301, a power motor 302 is fixedly installed on the outer surface of one side of the conveyor belt support plate 3, and the output end of the power motor 302 is connected with the roller shaft of the tablet conveyor belt 201.

Through the feed port 101, the tablets conveyed by the tablet conveyor belt 201 can enter the inside of the screening barrel 1, and the air introduction port 102 can allow the outside air to enter the inside of the screening barrel 1 to form an air duct. The dust-proof net 103 can The dust in the air is filtered to prevent the dust from contaminating the tablets. The support legs 104 support the screening barrel 1 and the storage hopper 2 at a suitable height. The distance between the rubber scraper 301 and the tablet conveyor belt 201 is relatively small, only It can allow a tablet to pass through the tablet conveyor belt 201, so that when the tablet conveyor belt 201 conveys the tablet, the piled up and erected tablets are brushed down, preventing the tablet stack from falling inside the screening barrel 1, causing each Tablets are exposed to different wind areas, and the screening effect is not good. Starting the power motor 302 can drive the roller shaft to rotate, thereby driving the tablet conveyor belt 201 to rotate.

Among them, in order to realize the purpose of sieving tablets, the device adopts the following technical scheme: a knob 402 is fixedly installed on one end of the threaded adjustment shaft 401, and a rubber damping plate 501 is fixedly installed on the front surface and the rear surface of the dividing plate 5, and the drum The wind device includes a blower motor 601 and fan blades 602 , and the fan blades 602 are fixedly installed at the output end of the blower motor 601 .

Rotating the knob 402 can drive the thread adjustment shaft 401 to rotate, and the rotation of the thread adjustment shaft 401 can drive the partition plate 5 to move. The rubber damping plate 501 is arranged on the front surface and the rear surface of the partition plate 5 obliquely, and when the tablet falls into the screening After opening 4, it can alleviate the impact of falling and prevent the tablet from breaking. Start the blower motor 601 to drive the fan blade 602 to rotate, and the rotation of the fan blade 602 can draw the outside air into the inside of the screening barrel 1 to form an air duct for screening residues. second tablet.

The working principle and application process of the utility model: the device needs to be placed in a suitable position when in use, and the tablets to be screened are first stored in the storage hopper 2, and then the power motor 302 is started to drive the roller shaft to rotate, thereby driving The tablet conveyor belt 201 rotates, and the rotation of the tablet conveyor belt 201 will transport the tablets inside the storage hopper 2 to the feed port 101 and drop into the inside of the screening barrel 1. Due to the gap between the rubber scraper 301 and the tablet conveyor belt 201 The distance between the intervals is small, and only one tablet is allowed to pass through the surface of the tablet conveyor belt 201, so that when the tablet conveyor belt 201 conveys tablets, the stacked and erected tablets will be brushed off, and the blower motor 601 can be started to drive The fan blade 602 rotates, and the rotation of the fan blade 602 can draw the outside air into the inside of the screening barrel 1, forming an air duct to blow to the dropped tablets, and the residual tablets are lighter and will be separated by the partition plate 5 to separate them from the feed port. 101 in the far area, the normal tablet is heavier and will fall off the partition plate 5 to separate the area closer to the feed port 101. When it is necessary to separate tablets of different specifications, the rotary knob 402 can drive the thread adjustment shaft 401 to rotate, and the thread The rotation of the adjustment shaft 401 can drive the dividing plate 5 to move. Since different normal tablets have different weights, it is sufficient to adjust the dividing plate 5 to the normal tablet drop position, and then other types of defective tablets can be separated.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a defective tablet screening and removing device, includes screening barrel pipe (1), its characterized in that: screening barrel pipe (1) rear surface fixed mounting has storage hopper (2), storage hopper (2) upper surface edge position fixed mounting has conveyer belt backup pad (3), storage hopper (2) inside conveyer belt backup pad (3) inboard is provided with tablet conveyer belt (201), screening mouth (4) have been seted up to screening barrel pipe (1) lower surface, screening mouth (4) inside movable mounting has screw thread adjustment axle (401), screw thread adjustment axle (401) surface just is located screening mouth (4) inside activity and has cup jointed division board (5), screening barrel pipe (1) inside fixed mounting has motor fixed column (6), motor fixed column (6) front surface fixed mounting has blast apparatus.

2. The defective tablet screening and removing device according to claim 1, wherein: the screening barrel tube (1) upper surface is provided with feed inlet (101), induced air mouth (102) have been seted up to screening barrel tube (1) both sides surface, induced air mouth (102) inside movable mounting has dust screen (103), screening barrel tube (1) and storage hopper (2) lower surface are all fixed mounting have supporting legs (104).

3. The defective tablet screening and removing device according to claim 1, wherein: the inner side of the conveyer belt supporting plate (3) is fixedly provided with a rubber scraper (301), the outer surface of one side of the conveyer belt supporting plate (3) is fixedly provided with a power motor (302), and the output end of the power motor (302) is connected with a roller shaft of the tablet conveyer belt (201).

4. The defective tablet screening and removing device according to claim 1, wherein: one end of the threaded adjusting shaft (401) is fixedly provided with a knob (402), and the front surface and the rear surface of the partition plate (5) are fixedly provided with rubber damping plates (501).

5. The defective tablet screening and removing device according to claim 1, wherein: the air blowing device comprises an air blowing motor (601) and fan blades (602), and the fan blades (602) are fixedly arranged at the output end of the air blowing motor (601).

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