Feed additive screening machine
By designing the screening drum and fan assembly, the problems of easy damage, high noise, and environmental pollution of vibrating screens have been solved, achieving efficient and environmentally friendly feed screening and protecting the health of operators.
Patent Information
- Application Number
- CN202520018508.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing vibrating feed additive screening machines are prone to damage, generate excessive noise, cause serious environmental pollution, and pose significant health hazards to workers.
The design incorporates a screening drum and a blower assembly. The blower assembly generates negative pressure at the feed inlet to adsorb dust, which is then filtered through a filter cloth. The blower assembly blows air into the inside of the screening drum to prevent dust from spilling out and clogging. This is combined with multi-stage screening holes for screening.
It effectively prevents dust spillage, protects the environment and the health of operators, improves screening quality and equipment stability, and reduces noise.
Smart Images

Figure CN223747987U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of feed additive screening machine, concretely relates to a feed additive screening machine. BACKGROUND
[0002] The feed additive refers to the small or trace amount of substance added in the process of feed production and processing, and has obvious effect on the aspects of strengthening the basic feed nutrition value, improving the animal production performance, guaranteeing the animal health, saving the feed cost and improving the quality of livestock products.
[0003] At present, the feed additive screening machine mostly adopts the vibration type screening machine, and the key components such as the screen frame and the vibration exciter in the vibration type screening machine are easy to be damaged, thereby affecting the stable operation of the whole machine, and the noise of the domestic vibration screening machine is usually above 96 decibels, the working environment is poor, the abnormal sound of the equipment is difficult to find, and in addition, in the screening process, the small particles of the feed additive may float in the air, pollute the surrounding working environment and also cause harm to the health of workers. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem of overcoming the defects of the prior art and provides a feed additive screening machine which can overcome the above problems or at least partially solve the above problems.
[0005] In order to solve the above technical problems, the basic idea of the technical scheme of the utility model is as follows: a feed additive screening machine, which comprises a mounting box and further comprises: a screening drum rotatably arranged in the mounting box, a driving part for driving the screening drum to rotate is arranged on the mounting box; a feeding assembly arranged on the mounting box, the output end of the feeding assembly extends into the screening drum, and a filtering assembly is arranged at the feeding port of the feeding assembly; a blowing box is fixedly installed in the mounting box, an air outlet is arranged at the bottom of the blowing box, a fan assembly is arranged at the top of the mounting box, and the input end of the fan assembly is connected to the blowing box through the filtering assembly to suck the air at the feeding port and transmit it to the blowing box; a receiving assembly arranged in the mounting box, and the output end of the receiving assembly extends out of the mounting box.
[0006] Preferably, at least three kinds of screening holes with different diameters are arranged on the screening drum, and helical guide vanes are fixedly connected to the inner side of the screening drum.
[0007] Preferably, the driving part comprises a first motor fixedly installed on the outer wall of the installation box, an output shaft of the first motor extends into the installation box and is fixedly connected with a second gear, the screening drum is fixedly connected with a first gear, and the first gear is engaged with the second gear.
[0008] Preferably, the feeding assembly comprises a feeding pipe fixedly connected with the installation box, an output end of the feeding pipe extends into the screening drum, and an input end of the feeding pipe is fixedly connected with a feeding hopper.
[0009] Preferably, the filtering assembly comprises a mounting ring fixedly connected with the inner wall of the feeding hopper, the mounting ring is provided with two groups of upper and lower mounting rings, and filter cloths are fixedly connected with the two groups of upper and lower mounting rings.
[0010] Preferably, the fan assembly comprises a connecting pipe fixedly connected with the side wall of the feeding hopper, an inner cavity formed by the filtering assembly and the feeding hopper is communicated with the connecting pipe, a mounting cylinder is fixedly connected with the connecting pipe, a second motor is fixedly connected with the mounting cylinder, an output shaft of the second motor extends into the mounting cylinder and is fixedly connected with a fan blade, and the bottom of the mounting cylinder is connected with a blowing box through an air guide pipe.
[0011] Preferably, the receiving assembly comprises a receiving hopper fixedly connected in the installation box, the bottom of the receiving hopper is fixedly connected with an obliquely arranged first discharging pipe, and a valve is fixedly installed on the first discharging pipe.
[0012] Preferably, the bottom of the installation box is fixedly connected with a discharging hopper, the bottom of the discharging hopper is fixedly connected with an obliquely arranged second discharging pipe, the receiving hopper is provided with a dust discharging hole, the bottom of the discharging hopper is fixedly connected with a support, and universal wheels are fixedly installed on the bottom of the support.
[0013] Compared with the prior art, the utility model has the following beneficial effects that: the fan assembly generates negative pressure at the feeding port, effectively adsorbs the dust in the feed, and filters the dust through the filter cloth, avoids the overflow of the dust, the dust on the filter screen enters the screening drum under the flow impact of the feed, and is screened and treated together with the feed, the environment and the health of the operator are protected, the air sucked by the fan assembly is blown from the outside to the inside of the screening drum through the blowing box, effectively avoids the blockage of the feed on the screening holes, improves the screening quality and the stability of the equipment, and reduces the noise generated during the screening of the feed by using the drum screening.
[0014] The specific implementation manners of the utility model will be further described in detail in combination with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0015] In the drawings:
[0016] Figure 1The utility model provides a kind of feed additive screening machine's structural schematic diagram is proposed in the utility model.
[0017] Figure 2 A kind of feed additive screening machine is proposed in the utility model Figure 1 The structural schematic diagram of A in the middle;
[0018] Figure 3 The structure of a kind of feed additive screening machine of the utility model is proposed Figure 2 The structural schematic diagram of A in the middle;
[0019] Figure 4 The structural schematic diagram of the screening drum of a kind of feed additive screening machine is proposed in the utility model.
[0020] In the drawing: 1, mounting box;2, screening drum;3, screening hole;4, spiral guide vane;5, first motor;6, first gear;7, second gear;8, feed pipe;9, feed hopper;10, mounting ring;11, filter cloth;12, connecting pipe;13, mounting cylinder;14, second motor;15, fan blade;16, air bellow;17, air guide pipe;18, receiving hopper;19, first discharge pipe;20, dust discharging hole;21, discharge hopper;22, second discharge pipe;23, support;24, universal wheel;25, valve. Specific implementation
[0021] To make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model, and the following embodiment is used to illustrate the utility model, but not to limit the scope of the utility model.
[0022] Embodiment: refer to Figures 1-4 A kind of feed additive screening machine, including mounting box 1, still include: screening drum 2 is rotationally arranged in mounting box 1, and the driving part for driving screening drum 2 rotation is provided on mounting box 1;Feed assembly is arranged on mounting box 1, and the output end of feed assembly extends to screening drum 2, and filter assembly is arranged at the feed inlet of feed assembly;Blowing box 16 is fixedly installed in mounting box 1, and the bottom of blowing box 16 is provided with air outlet, and the top of mounting box 1 is provided with fan assembly, and the input end of fan assembly is extracted air at feed inlet and is transmitted into blowing box 16 by filter assembly;Receiving assembly is arranged in mounting box 1, and the output end of receiving assembly extends to outside mounting box 1.
[0023] In the embodiment, during the feeding, the fan assembly works, the fan assembly extracts the air at the feeding port, so that the negative pressure is generated at the feeding port, and then the dust in the feed poured into the feeding assembly is adsorbed onto the filter screen, and the dust on the filter screen enters the screening drum 2 under the flow impact of the feed, and with the rotation of the screening drum 2, the feed rolls in the screening drum 2, so that the feed meeting the size of the screening hole 3 on the screening drum 2 is discharged, so as to realize the feed screening, and the air extracted by the fan assembly is discharged to the screening drum 2, and the air is blown from the outside of the screening drum 2 to the inside of the screening drum 2, so as to avoid the feed from being blocked on the screening hole 3.
[0024] With reference to Figure 4 , the screening drum 2 is provided with at least three kinds of screening holes 3 with different diameters, and the inner side of the screening drum 2 is fixedly connected with a spiral guide vane 4, wherein the screening holes 3 with different diameters have different screening effects, so as to facilitate the screening of the feed according to the size, and the screening holes 3 closer to the end of the feeding assembly are smaller, and when the screening drum 2 rotates, the spiral guide vane 4 transmits the feed, and the small feed is discharged through the corresponding screening hole 3, and the remaining feed is discharged through the subsequent screening hole 3.
[0025] With reference to Figure 1 and Figure 2 , the driving part includes a first motor 5 fixedly installed on the outer wall of the mounting box 1, the output shaft of the first motor 5 extends into the mounting box 1 and is fixedly connected with a second gear 7, and the screening drum 2 is fixedly connected with a first gear 6, and the first gear 6 is engaged with the second gear 7, in the embodiment, the first motor 5 is started, the first motor 5 drives the first gear 6 to rotate, the first gear 6 drives the second gear 7 to rotate, and the second gear 7 drives the screening drum 2 to rotate.
[0026] With reference to Figure 2 , the feeding assembly includes a feeding pipe 8 fixedly connected to the mounting box 1, the output end of the feeding pipe 8 extends into the screening drum 2, and the input end of the feeding pipe 8 is fixedly connected with a feeding hopper 9, in the embodiment, the feed is added into the feeding hopper 9, then enters the feeding pipe 8 through the feeding hopper 9, and finally is discharged into the screening drum 2.
[0027] With reference to Figure 2 and Figure 3The filtering assembly comprises a mounting ring 10 fixedly connected to the inner wall of the feeding hopper 9, the mounting ring 10 is provided with two groups of mounting rings 10 fixedly connected with filter cloths 11, the fan assembly comprises a connecting pipe 12 fixedly connected to the side wall of the feeding hopper 9, the inner cavity formed by the filtering assembly and the feeding hopper 9 is communicated with the connecting pipe 12, the connecting pipe 12 is fixedly connected with a mounting cylinder 13, the mounting cylinder 13 is fixedly connected with a second motor 14, the output shaft of the second motor 14 extends into the mounting cylinder 13 and is fixedly connected with a fan blade 15, and the bottom of the mounting cylinder 13 is connected with a blowing box 16 through an air guide pipe 17.
[0028] In the embodiment, the second motor 14 is started, the second motor 14 drives the fan blade 15 to rotate, the fan blade 15 sucks the air in the filtering assembly and the feeding hopper 9 through the connecting pipe 12 and the air at the feeding inlet of the feeding hopper 9, so that the air at the feeding inlet flows into the feeding hopper 9, and the dust in the air enters the feeding hopper 9, thereby avoiding dust overflow, and the air discharged by the fan enters the blowing box 16 through the air guide pipe 17, and then blows downward to the top of the screening drum 2 through the blowing box 16, blows the air from the outside of the screening drum 2 to the inside of the screening drum 2, so that the feed blocked on the screening hole 3 is blown into the inside of the screening drum 2, and the blown feed is conveniently discharged through the remaining larger screening holes 3.
[0029] Referring to Figure 2 The receiving assembly comprises a receiving hopper 18 fixedly connected in the mounting box 1, the bottom of the receiving hopper 18 is fixedly connected with a first discharging pipe 19 arranged obliquely, and the first discharging pipe 19 is fixedly installed with a valve 25.
[0030] In the embodiment, the feed discharged through the screening hole 3 falls on the receiving hopper 18, and then the valve 25 on the corresponding receiving hopper 18 is opened, so that the screened feed is discharged.
[0031] Referring to Figure 2 The bottom of the mounting box 1 is fixedly connected with a discharging hopper 21, the bottom of the discharging hopper 21 is fixedly connected with a second discharging pipe 22 arranged obliquely, the receiving hopper 18 is provided with a dust discharging hole 20, and the dust is discharged through the dust discharging hole 20 in the discharging hopper 21, wherein the discharging hopper 21 is supported by a metal mesh, the dust is discharged into the second discharging pipe 22 through the dust discharging hole 20, and then is discharged through the second discharging pipe 22.
[0032] Referring to Figure 2 The bottom of the discharging hopper 21 is fixedly connected with a support 23, the bottom of the support 23 is fixedly installed with a universal wheel 24, and the universal wheel 24 facilitates the movement of the screening machine.
[0033] In summary, the feed additive screening machine can realize multi-stage classification of the feed according to the volume size, and improve the screening accuracy and flexibility by arranging at least three diameters of screening holes 3 on the screening drum 2.
[0034] The fan assembly generates negative pressure at the feed inlet, effectively adsorbs the dust in the feed, and filters the dust through the filter cloth 11, avoiding the overflow of the dust. The dust on the filter screen enters the screening drum 2 under the flow impact of the feed, and is screened and treated together with the feed, protecting the environment and the health of the operators. The air sucked by the fan assembly is blown from the outside to the inside of the screening drum 2 through the blowing box 16, effectively avoiding the blockage of the feed on the screening holes 3, improving the screening quality and the stability of the equipment, and reducing the noise generated during the screening of the feed by using the drum screening.
[0035] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above-mentioned technical content within the scope of the present application are still within the scope of the present application.
Claims
1. A feed additive screening machine comprising a mounting box (1), characterized in that, Also include: Rotary screen drum (2) arranged in the installation box (1), the installation box (1) is provided with the drive part of driving screen drum (2) rotation; The feeding assembly is arranged on the installation box (1), the output end of the feeding assembly extends into the screen drum (2), and the filter assembly is arranged at the feeding port of the feeding assembly; The installation box (1) is fixedly installed with a blowing box (16), the bottom of the blowing box (16) is provided with an air outlet, and the top of the installation box (1) is provided with a fan assembly, the input end of the fan assembly is connected with the air outlet of the filter assembly and the blowing box (16) through the filter assembly. The receiving assembly is arranged in the installation box (1), and the output end of the receiving assembly extends out of the installation box (1).
2. A feed additive screening machine according to claim 1, characterised in that, The screen drum (2) is provided with at least three kinds of screening holes (3) with different diameters, and the inner side of the screen drum (2) is fixedly connected with a spiral guide vane (4).
3. A feed additive screening machine according to claim 1, characterised in that, The driving part includes a first motor (5) fixedly installed on the outer wall of the installation box (1), the output shaft of the first motor (5) extends into the installation box (1) and is fixedly connected with a second gear (7), the screen drum (2) is fixedly connected with a first gear (6), and the first gear (6) is engaged with the second gear (7).
4. A feed additive screening machine according to claim 1, characterised in that, The feeding assembly includes a feeding pipe (8) fixedly connected to the installation box (1), the output end of the feeding pipe (8) extends into the screen drum (2), and the input end of the feeding pipe (8) is fixedly connected with a feeding hopper (9).
5. A feed additive screening machine according to claim 4, characterised in that, The filter assembly includes a mounting ring (10) fixedly connected to the inner wall of the feeding hopper (9), the mounting ring (10) is provided with two groups of upper and lower mounting rings (10), and the filter cloth (11) is fixedly connected to the two groups of upper and lower mounting rings (10).
6. A feed additive screening machine according to claim 5, characterised in that, The fan assembly includes a connecting pipe (12) fixedly connected to the side wall of the feeding hopper (9), an inner cavity formed by the filter assembly and the feeding hopper (9) is communicated with the connecting pipe (12), the connecting pipe (12) is fixedly connected with a mounting cylinder (13), the mounting cylinder (13) is fixedly connected with a second motor (14), the output shaft of the second motor (14) extends into the mounting cylinder (13) and is fixedly connected with a fan blade (15), and the bottom of the mounting cylinder (13) is connected with the blowing box (16) through a wind guide pipe (17).
7. A feed additive screening machine according to claim 1, wherein The receiving assembly includes a receiving hopper (18) fixedly connected in the installation box (1), the bottom of the receiving hopper (18) is fixedly connected with an inclined first discharge pipe (19), and the valve (25) is fixedly installed on the first discharge pipe (19).
8. A feed additive screening machine according to claim 7, characterised in that, The bottom of the installation box (1) is fixedly connected with a discharge hopper (21), the bottom of the discharge hopper (21) is fixedly connected with an inclined second discharge pipe (22), the receiving hopper (18) is provided with a dust discharge hole (20), the bottom of the discharge hopper (21) is fixedly connected with a support (23), and the bottom of the support (23) is fixedly installed with a universal wheel (24).