Outer cover assembly and screening machine

Abstract

The utility model belongs to the technical field of medicine processing machinery, and particularly relates to an outer cover assembly which comprises a cover body, the cover body comprises an upper cover body and a lower cover body which are communicated with each other, the upper cover body and the lower cover body are connected through a fastening piece, the lower cover body is connected with a screening machine body through a fastening piece, a feeding port is formed in the bottom of the lower cover body, and a discharging port is formed in the bottom of the lower cover body. The upper cover body and the lower cover body are respectively provided with a discharge port, the top of the upper cover body is provided with a discharge port, the upper cover body and the lower cover body are respectively provided with a plurality of air inlets, and the air inlets are provided with nozzles for spraying air towards the inside of the cover body in an arc line mode, the upper cover body and the lower cover body are respectively provided with a plurality of air inlets, and air is blown into the cover body through the air inlets, so that dust floats in the cover body in a rotating mode. The cover body is provided with the air inlet and the air outlet, dust can be sucked out of the cover body conveniently, the nozzle is arranged at the air inlet and can spray air into the cover body in an arc mode, the dust can be distributed in the cover body more evenly, the dust cleaning effect is improved, the utility model further provides the piece screening machine, and dust on products can be cleaned conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceutical processing machinery, in particular to an outer cover assembly and a sieving machine. Background Art

[0002] In the pharmaceutical production process, all dry powder pressing is adopted at present. After the tablets are pressed by a tablet press, there are a certain number of floating powders on the surface, and there are burrs and flash on the four sides of the tablets due to the problem of the mold manufacturing process. It needs to be processed by a special sieving machine in the pharmaceutical industry, which can make the product surface more beautiful. During the sieving process, a significant amount of medicinal powder will be generated. There is a gentle gas blown into the sieving machine barrel, and the dust will be lifted up and float in the sieving machine barrel, and then the dust in the barrel will be sucked off by a dust suction device.

[0003] However, the sieving machine barrel in the prior art is mostly fixedly installed by bolts. When the sieving machine barrel sieves different products, the vibrating screen and the cover body need to be disassembled and cleaned. The utility model provides an outer cover assembly, and the cover body is easy to disassemble, so as to facilitate the cleaning of the vibrating screen and improve the working efficiency of the staff. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides an outer cover assembly and a sieving machine.

[0005] An outer cover assembly includes a cover body, the cover body includes an upper cover body and a lower cover body which are communicated with each other, the upper cover body and the lower cover body are connected by fasteners, the lower cover body is connected with the sieving machine body by fasteners, a feed inlet is arranged at the bottom of the lower cover body, a discharge outlet is arranged at the top of the upper cover body, and a plurality of air inlets are arranged on both the upper cover body and the lower cover body, and nozzles for spraying gas in an arc shape into the cover body are arranged at the air inlets.

[0006] Further, the nozzle is connected with a air supply device through a pipeline, the nozzle includes a connecting part connected with the pipeline and a jetting part for jetting gas, the jetting part is an arc-shaped structure, an arc-shaped air outlet is arranged on the jetting part, and the air outlet is inclined downward.

[0007] Further, the fastener includes an annular fastening piece, the fastening piece clamps the connection between the upper cover body and the lower cover body and the connection between the lower cover body and the sieving machine body, a notch is arranged on the fastener, both ends of the notch are respectively hinged with a handle, the two handles are hinged with each other, and an end cover is connected to the top of the upper cover body through a fastener.

[0008] Further, a powder receiving tray is arranged at the bottom of the lower cover body, a powder outlet pipe is arranged on the powder receiving tray, and the powder outlet pipe is connected with a dust suction device.

[0009] Furthermore, the air inlets of the upper cover body and the lower cover body are located on the same side.

[0010] Furthermore, both the upper cover body and the lower cover body are made of transparent materials.

[0011] Furthermore, gaskets are provided at the joints between the end cover and the upper cover body, between the upper cover body and the lower cover body, and between the lower cover body and the sieve machine body.

[0012] Furthermore, the feed inlet is inclined upward and the discharge outlet is inclined downward.

[0013] The present utility model also provides a sieve machine, including an outer cover assembly, and the outer cover assembly is the outer cover assembly described in any of the above technical solutions.

[0014] Furthermore, a spiral vibrating sieve is provided inside the cover body. The vibrating sieve is installed on a central shaft body. The bottom of the central shaft body is connected to a vibrator. The vibrator is installed inside a housing. A telescopic rod is provided at the bottom of the housing. The bottom of the telescopic rod is installed on a base. The base is connected to a pulley.

[0015] Due to the adoption of the above technical solutions, the beneficial technical effects of the present utility model are as follows:

[0016] 1. In the present utility model, the cover body is divided into an upper cover body and a lower cover body. The lower cover body and the sieve machine body, and the upper cover body and the lower cover body are connected by fasteners. The cover body is convenient to disassemble. When it is necessary to clean the vibrating sieve, the cover body can be integrally removed through the fasteners, which is beneficial to improving the cleaning effect of the cover body. The split design of the upper cover body and the lower cover body is beneficial to reducing the production cost of the enterprise.

[0017] 2. In the present utility model, a plurality of air inlets are provided on both the upper cover body and the lower cover body. Air is blown into the cover body through the air inlets, so that the dust floats in the cover body, which is convenient for sucking the dust out of the cover body. Nozzles are provided at the air inlet, and the nozzles can jet air in an arc into the cover body, which is beneficial to making the dust more evenly distributed in the cover body and improving the cleaning effect of the dust.

[0018] 3. In the present utility model, both the upper cover body and the lower cover body are made of transparent materials, which is convenient for the staff to observe the working conditions inside the cover body. Description of the Drawings

[0019] Figure 1 is a schematic structural diagram of a sieve machine of the present utility model;

[0020] Figure 2 is a front view of a sieve machine of the present utility model;

[0021] Figure 3 is of the present utility model Figure 2 a schematic cross-sectional structural diagram in the A-A direction;

[0022] Figure 4 For the present utility model Figure 3 is an enlarged schematic view of area C in it;

[0023] Figure 5 is a structural schematic view of the nozzle in the present utility model;

[0024] Figure 6 is the front view of the nozzle in the present utility model;

[0025] Figure 7 For the present utility model Figure 6 is a sectional structural schematic view in the B-B direction in it.

[0026] In the figure, 1 is the upper cover body, 2 is the lower cover body, 3 is the feed inlet, 4 is the discharge outlet, 5 is the air inlet, 6 is the nozzle, 61 is the connecting part, 62 is the air jetting part, 63 is the air outlet, 7 is the fastener, 71 is the fastening piece, 72 is the handle, 8 is the end cover, 9 is the powder receiving tray, 10 is the sealing gasket, 11 is the vibrating screen, 12 is the middle shaft body, 13 is the housing, 14 is the telescopic rod, 15 is the base, 16 is the pulley, 17 is the powder outlet pipe. Specific embodiments

[0027] In order to more clearly illustrate the technical solutions of the present utility model, the present utility model will be further described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the present utility model. For those of ordinary skill in the art, without creative efforts, other embodiments obtained based on this drawing and embodiment all fall within the protection scope of the present utility model.

[0028] According to Figure 1-6 as shown, an outer cover assembly includes a cover body. The cover body includes an upper cover body 1 and a lower cover body 2 that are interconnected. The upper cover body 1 and the lower cover body 2 are connected by a fastener 7. The lower cover body 2 is connected to the sieve body by a fastener 7. A feed inlet 3 is provided at the bottom of the lower cover body 2, a discharge outlet 4 is provided at the top of the upper cover body 1, a plurality of air inlets 5 are provided on both the upper cover body 1 and the lower cover body 2, and a nozzle 6 for performing arc air jetting into the cover body is provided at the air inlet 5.

[0029] In the above specific technical scheme, the cover body is divided into an upper cover body 1 and a lower cover body 2, and the lower cover body 2 and the screen body are easy to disassemble. When the vibrating screen needs to be cleaned, the cover body is removed as a whole to release the connection between the lower cover body 2 and the screen body. A plurality of air inlets 5 are provided on the upper cover body 1 and the lower cover body 2. Air is blown into the cover body through the air inlet 5 to make the dust float inside the cover body, which is convenient for sucking the dust out of the cover body. A nozzle 6 is provided at the outlet of the air inlet 5. The nozzle 6 can spray air in an arc into the inside of the cover body, which is conducive to making the dust more evenly distributed in the cover body and improving the dust cleaning effect. The cover body is designed as a split mode of the upper cover body and the lower cover body. Compared with the production process of the integral cover body, the production cost of the enterprise is effectively reduced.

[0030] The nozzle 6 is connected to the air supply device through a pipeline. The nozzle 6 includes a connecting portion 61 connected to the pipeline and an injection portion 62 for ejecting gas. The injection portion 62 is an arc-shaped structure. An arc-shaped air outlet 63 is provided on the injection portion 62. The air outlet 63 is inclined downward. Dust can be blown downward through the downwardly inclined air outlet 63. The arc-shaped air outlet 63 increases the range of blowing, which is beneficial to make the dust more evenly distributed in the cover body, thereby improving the dust cleaning effect.

[0031] The fastener 7 includes an annular fastening piece 71, which clamps the connection between the upper cover body 1 and the lower cover body 2, and the connection between the lower cover body 2 and the screen body. The fastener 7 is provided with a notch, and handles 72 are hinged at both ends of the notch, and the two handles 72 are hinged to each other. The top of the upper cover body 1 is connected to the end cover 8 through the fastener 7, and the end cover 8, the upper cover body 1, the lower cover body 2 and the screen body are connected through the fastener 7. The connection between the end cover 8, the upper cover body 1, the lower cover body 2 and the screen body can be achieved by simply turning the handle 72.

[0032] A powder receiving pan 9 is provided at the bottom of the lower cover body 2 , and a powder discharge pipe 17 is provided on the powder receiving pan 9 . The powder discharge pipe 17 is connected to a dust collecting device. The powder receiving pan 9 can receive the fallen dust and discharge it through the powder discharge pipe 17 .

[0033] The air inlets 5 of the upper cover body 1 and the lower cover body 2 are located on the same side.

[0034] The upper cover body 1 and the lower cover body 2 are both made of transparent materials, which is convenient for the staff to observe the working conditions inside the cover bodies.

[0035] The connection between the end cover 8 and the upper cover body 1, the connection between the upper cover body 1 and the lower cover body 2, and the connection between the lower cover body 2 and the screen body are all provided with sealing gaskets 10 to increase the sealing performance of the cover body.

[0036] The feed port 3 is tilted upward, and the discharge port 4 is tilted downward, which is convenient for loading and unloading.

[0037] The present utility model further provides a sieve machine, which includes an outer cover assembly, and the outer cover assembly is the outer cover assembly described in any of the above technical solutions.

[0038] A spiral vibrating sieve 11 is provided inside the cover body. The vibrating sieve 11 is installed on a central shaft body 12. The bottom of the central shaft body 12 is connected to a vibrator. The vibrator is installed inside a housing 13. A telescopic rod 14 is provided at the bottom of the housing 13. The bottom of the telescopic rod 14 is installed on a base 15. The base 15 is connected to a pulley 16. The vibration of the vibrating sieve 11 is realized by the vibrator, and the device is convenient to move.

[0039] The above embodiments are only exemplary embodiments of the present utility model and are not used to limit the present utility model. The protection scope of the present utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements within the essence and protection scope of the present utility model, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present utility model.

Claims

1. An outer cover assembly, comprising a cover body, characterized in that: The cover body comprises an upper cover body (1) and a lower cover body (2) which are interconnected, the upper cover body (1) and the lower cover body (2) being connected via a fastener (7), the lower cover body (2) being connected to a screen body via a fastener (7), the bottom of the lower cover body (2) being provided with a feed port (3), the top of the upper cover body (1) being provided with a discharge port (4), the upper cover body (1) and the lower cover body (2) being provided with a plurality of air inlets (5), the air inlets (5) being provided with nozzles (6) for jetting air in an arc shape into the interior of the cover body, the fastener (7) comprising an annular fastening sheet (71), the fastening sheet (71) clamping the connection between the upper cover body (1) and the lower cover body (2), and the connection between the lower cover body (2) and the screen body.

2. The cover assembly according to claim 1, characterized in that: The nozzle (6) is connected to the air supply device via a pipeline, and the nozzle (6) comprises a connecting portion (61) connected to the pipeline and an air jet portion (62) for jetting gas, the air jet portion (62) being an arc-shaped structure, and an arc-shaped air outlet (63) being provided on the air jet portion (62), and the air outlet (63) being inclined downward.

3. The cover assembly according to claim 1, characterized in that: The fastener (7) is provided with a notch, and handles (72) are hingedly connected at both ends of the notch. The two handles (72) are hingedly connected to each other, and the top of the upper cover body (1) is connected to an end cover (8) via the fastener (7).

4. The cover assembly according to claim 2, characterized in that: A powder receiving pan (9) is provided at the bottom of the lower cover (2), a powder outlet pipe (17) is provided on the powder receiving pan (9), and the powder outlet pipe (17) is connected to a dust collecting device.

5. The cover assembly according to claim 1, characterized in that: The air inlets (5) of the upper cover body (1) and the lower cover body (2) are located on the same side.

6. The cover assembly according to claim 1, characterized in that: The upper cover body (1) and the lower cover body (2) are both made of transparent materials.

7. The cover assembly according to claim 3, characterized in that: Sealing pads (10) are provided at the connection between the end cover (8) and the upper cover body (1), the connection between the upper cover body (1) and the lower cover body (2), and the connection between the lower cover body (2) and the screen body.

8. The cover assembly according to claim 1, characterized in that: The feed port (3) is inclined upward, and the discharge port (4) is inclined downward.

9. A sheet screening machine, characterized in that: A cover assembly according to any one of claims 1 to 8.

10. A sheet screening machine according to claim 9, characterized in that: A spiral vibrating screen (11) is provided inside the cover body, the vibrating screen (11) is mounted on a central axis (12), the bottom of the central axis (12) is connected to a vibrator, the vibrator is mounted in a shell (13), a telescopic rod (14) is provided at the bottom of the shell (13), the bottom of the telescopic rod (14) is mounted on a base (15), and the base (15) is connected to a pulley (16).

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