CN210171890U - Coffee bean screening and separating device - Google Patents
Coffee bean screening and separating device Download PDFInfo
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- CN210171890U CN210171890U CN201920593169.0U CN201920593169U CN210171890U CN 210171890 U CN210171890 U CN 210171890U CN 201920593169 U CN201920593169 U CN 201920593169U CN 210171890 U CN210171890 U CN 210171890U
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Abstract
The utility model discloses a coffee beans screening separator, including prescreening mechanism and rescreening mechanism, prescreening mechanism is including prescreening the organism, be provided with the prescreening passageway in the prescreening organism, the top that corresponds the prescreening passageway is in the feeder hopper that the installation is used for the feeding on the screening organism, the below that corresponds the prescreening passageway is in set up the discharge gate on the screening organism, rescreening mechanism includes the base, and the base supports the sieve case, the minute hopper that is used for the feeding is connected to sieve case upper end one side, minute hopper corresponds to locate the lower extreme of discharge gate to receive the preliminary screening material that comes from the discharge gate, be equipped with the screen cloth that is the one deck at least in the sieve incasement to become sieve incasement partition into at least for two screening spaces, correspond every screening space and be in discharge channel is seted up to the lower extreme of sieve case. Not only can screen out bad substandard products, can also carry out the granularity grading to the material, the screening effect is ideal to overall structure links up, can effectively apply to intelligent automatic industrial production.
Description
Technical Field
The utility model relates to a technical field is handled to the coffee beans, especially relates to a coffee beans screening separator.
Background
After the fresh coffee fruits are picked from the coffee trees, the fresh coffee fruits are firstly processed by a plurality of procedures of peeling, degumming, drying, storing, shelling, polishing and the like, and then are baked to form the coffee beans which can be bought in the market. The coffee beans have different sizes, and the coffee beans with different particle sizes have different qualities, so that the coffee beans are required to be classified to obtain high-quality coffee beans, and the coffee beans are deeply processed according to the grades of the coffee beans during the processing process of the coffee beans to obtain coffee with different qualities.
In order to improve the screening efficiency of coffee beans, the prior art is to place coffee beans on a vibrating screen and screen the coffee beans through the vibrating screen. The coffee bean sieving mechanism disclosed as application No. 201220709522.5 comprises a sieve bed, a frame, a driving device and an eccentric wheel, wherein the driving device and the eccentric wheel are installed on the frame, the eccentric wheel controls the movement of the eccentric wheel through the driving device, the eccentric wheel is connected with the sieve bed through a supporting column, and two ends of the sieve bed are connected with the frame through springs. The screening device screens coffee beans in a linear vibration mode, but defective products in the coffee beans cannot be screened out in the screening process. The main principle of the device is to screen and grade the coffee beans with different particle sizes through a screen, but the coffee beans have various defective products such as gaps caused by worm damage and the like, hollow coffee beans inside the coffee beans, hollow coffee beans and the like, and the defective products cannot be screened out by the device, so the screening effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a coffee beans screening separator.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a coffee bean screening and separating device, which comprises a primary screening mechanism and a secondary screening mechanism,
the primary screening mechanism comprises a primary screening machine body, a primary screening channel is arranged in the primary screening machine body, a feeding hopper for feeding is installed on the screening machine body corresponding to the upper part of the primary screening channel, a discharging hole is formed in the screening machine body corresponding to the lower part of the primary screening channel, a waste hole is formed in the screening machine body corresponding to the right side of the primary screening channel, a wind wheel is arranged on the left side of the primary screening channel, the wind wheel is coaxially connected with a rotating shaft, the rotating shaft is installed on the primary screening machine body, and a primary screening motor is coaxially connected with the rotating shaft to drive the rotating shaft to rotate so that air flow towards the waste hole is formed in the primary screening machine body;
the secondary screening mechanism comprises a base, the base supports a screen box, one side of the upper end of the screen box is connected with a material distributing hopper for feeding, the material distributing hopper is correspondingly arranged at the lower end of the discharge port to receive primary screening materials from the discharge port, at least one layer of screen mesh is arranged in the screen box to divide the interior of the screen box into at least two screening spaces, and a discharge channel is arranged at the lower end of the screen box corresponding to each screening space; the two vibrating motors are connected with the screen box through the force guide plate, and the two vibrating motors are fixedly arranged on the force guide plate and have an inclination angle relative to the vertical direction of the screen cloth.
As a preferred technical scheme, the vibration motor is fixedly installed on the force guide plate through 4 fixing bolts, and each fixing bolt is provided with a nut in a matching manner.
As a preferable technical scheme, two stopping blocks are respectively arranged on two sides of the vibration motor, and four screws tightly abut against the vibration motor through the stopping blocks so as to reduce the shearing force of the motor to the fixing bolt.
As a preferred technical scheme, a reinforcing steel plate is additionally arranged on one side, connected with the vibration motor, of the force guide plate, the reinforcing steel plate and the vibration motor are fixedly connected together through threaded matching of the 4 fixing bolts, and the stop block is fixedly installed at the upper end of the reinforcing steel plate.
Preferably, the stopper is welded to the reinforced steel plate to form a single body.
As an optimal technical scheme, the number of the screens is 2-4, and the screening pore diameter of each screen is different.
As a preferred technical scheme, the base comprises a plurality of pairs of supporting legs, the screen box is horizontally supported by the plurality of pairs of supporting legs, and each pair of supporting legs are connected through a transverse reinforcing rod to increase the stability of the base.
As a preferable technical scheme, a vibration damping spring is arranged at the joint of the base and the screen box.
As the preferred technical scheme, a plurality of supporting legs are welded with the screen box.
As the preferred technical scheme, a transverse reinforcing rod is welded between each pair of supporting feet. Has the advantages that:
the utility model discloses a coffee bean screening separator adopts two screening methods to carry out screening, firstly adopts an air flow method to carry out primary screening, utilizes the different weight of defective products and qualified products to screen out the defective products with empty shells, hollow interiors or serious gaps in coffee beans by using air flow, and realizes primary screening; when the materials are sieved again, the materials after primary sieving enter the sieving box by adopting the principle of vibration sieving, two vibrating motors have an inclination angle relative to the sieving surface in the vertical direction, and the materials are thrown up and jumped or move forwards linearly on the plane of the sieve screen under the combined action of exciting force and the self-gravity of the materials, so that the purposes of sieving and grading are achieved. In the middle of whole screening process, not only can screen out bad substandard product, can also carry out the granularity grading to the material, the screening effect is ideal to overall structure links up, can effectively apply to intelligent automatic industrial production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a coffee bean screening and separating device of the present invention;
FIG. 2 is a schematic view of the installation of the vibration motor of the coffee bean screening and separating device of the present invention;
in the figure, 1 is a screening mechanism, 2 is a rescreening mechanism, 1-1 is a prescreening machine body, 1-2 is a prescreening channel, 1-3 is a feed hopper, 1-4 is a discharge port, 1-5 is a waste port, 1-6 is a wind wheel, 1-7 is a rotating shaft, 1-8 is a prescreening motor, 2-1 is a base, 2-2 is a screen box, 2-3 is a distributing hopper, 2-4 is a screen, 2-5 is a screening space, 2-6 is a discharge channel, 2-7 is a vibrating motor, 2-8 is a guide plate, 2-9 is a fixing bolt, 2-10 is a nut, 2-11 is a stop block, 2-12 is a screw, 2-13 is a reinforcing steel plate, and 2-14 is a damping spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The invention will now be further described with reference to the accompanying drawings.
The embodiment of the utility model provides a coffee bean screening and separating device, as shown in figure 1, which comprises a primary screening mechanism 1 and a secondary screening mechanism 2,
the primary screening mechanism 1 comprises a primary screening machine body 1-1, a primary screening channel 1-2 is arranged in the primary screening machine body 1-1, a feed hopper 1-3 used for feeding is installed on the screening machine body 1-1 above the primary screening channel 1-2, a discharge port 1-4 is formed on the screening machine body 1-1 below the primary screening channel 1-2, a waste port 1-5 is formed on the screening machine body 1-1 on the right side corresponding to the primary screening channel 1-2, a wind wheel 1-6 is arranged on the left side of the primary screening channel 1-2, the wind wheel 1-6 is coaxially connected with a rotating shaft 1-7, the rotating shaft 1-7 is installed on the primary screening machine body 1-1, a primary screening motor 1-8 is coaxially connected with the rotating shaft 1-7, so as to drive the rotating shaft 1-7 to rotate, thus forming airflow in the direction of the waste material port 1-5 in the primary screening machine body 1-1;
the secondary screening mechanism 2 comprises a base 2-1, the base 2-1 supports a screen box 2-2, one side of the upper end of the screen box 2-2 is connected with a material distributing hopper 2-3 for feeding, the material distributing hopper 2-3 is correspondingly arranged at the lower end of the material outlet 1-4 to receive primary screening materials from the material outlet 1-4, at least one layer of screen 2-4 is arranged in the screen box 2-2 to divide the interior of the screen box 2-2 into at least two screening spaces 2-5, and a material outlet channel 2-6 is arranged at the lower end of the screen box 2-2 corresponding to each screening space 2-5; the two vibrating motors 2-7 are connected with the screen box 2-2 through force guide plates 2-8, and the two vibrating motors 2-7 are fixedly arranged on the force guide plates 2-8 and have an inclination angle relative to the vertical direction of the screen 2-4 and the screen 2-4.
The screening and separation of coffee beans in this embodiment mainly comprises two steps, namely primary screening and secondary screening.
Regarding the primary screening, as shown in fig. 1, the material (coffee beans to be screened, hereinafter referred to as material) can be fed to a feeding hopper 1-3 through an existing feeding mechanism, the material falls freely through a primary screening channel 1-2 by gravity, generally, the defective goods are hollow inside or have large gaps or empty shells outside, the weight of the defective goods is far less than that of the qualified goods, so that a rotating shaft 1-7 can be driven by a screening motor 1-8 to rotate a wind wheel 1-6, an air flow in the direction of a waste material port 1-5 is formed, the low weight air flow can be blown to the waste material port 1-5 to be discharged, and the qualified goods can fall into a discharge port 1-4 to enter a secondary screening mechanism 2 to perform the second-step screening and grading.
In the case of re-screening, as shown in fig. 1, the material discharged from the primary screening means 1 is basically screened from defective products such as empty shells, hollow interiors, large gaps on the surface, etc., and at this time, the re-screening is performed to form a material classification. In this embodiment, two screens 2-4 are used to form 3 screening spaces, and the screening space 2-5 in the middle corresponds to the screened material, usually as a better quality material. Since the particle size of the screened coffee beans in the intermediate screening spaces 2-5 is controlled the most uniformly. The 3 screening spaces are selected for screening, and the grading requirement of the coffee beans at present is met. In practice, during the classification, the vibration principle is adopted, specifically, two vibration motors 2-7 are connected with the screen box 2-2 through the force guide plates 2-8, and when the two vibration motors 2-7 are installed, an inclination angle of 60 degrees is preferably ensured relative to the vertical direction of the screen 2-4 and the screen 2-4.
Before explaining the working principle, in order to facilitate understanding of the technical solution, the present embodiment first makes a simple explanation on the vibration motor.
The vibration motor is one of motors, and the working principle of the vibration motor is that a group of adjustable eccentric blocks are respectively arranged at two ends of a rotor shaft, and the centrifugal force generated by the high-speed rotation of the shaft and the eccentric blocks is utilized to obtain an excitation force; it can be applied to general vibrating machines such as: vibration crushers, vibration screening machines, vibration baling presses, vibration shakers, vibration molding machines, vibration pile drivers, vibration hoists, vibration filling machines, vibration arch breaking anti-blocking devices for silos, and the like. The vibration motor is widely applied to the industrial departments of hydropower construction, thermal power generation, building materials, chemical industry, mining, coal, metallurgy, light industry and the like.
In actual work, the two vibrating motors rotate synchronously and reversely, exciting forces generated by eccentric blocks of the vibrating motors are mutually offset in the direction parallel to the axes of the motors, and are superposed into a resultant force in the direction perpendicular to the shafts of the motors, so that the motion trail of the screening machine is a straight line. The two motor shafts have an inclination angle relative to the screen surface in the vertical direction, and under the combined action of exciting force and material self-gravity, the material is thrown up on the screen surface to jump or move forwards in a straight line, so that the aim of screening and grading the material is fulfilled. Therefore, when two screens are arranged in the screen box 2-2, the material with a particle size smaller than that of the first screen 2-4 will enter the second screening space 2-5 when jumping and going forward, and similarly, the material with a particle size smaller than that of the second screen 2-4 will enter the lower screening space 2-5 when jumping and going forward, so that the particle sizes of the materials screened from the three screening spaces 2-5 are (a, +00), (b, a), (-00, b), a > b respectively when the two screens have a particle size a and a particle size b respectively. Thus, this embodiment allows for the screening of coffee beans within a certain size range.
Further, the embodiment provides a specific mounting structure of the vibration motor 2-7, referring to fig. 2, the vibration motor 2-1 is fixedly mounted on the force guide plate 2-8 through 4 fixing bolts 2-9, each fixing bolt 2-9 is provided with a nut 2-10 in a matching manner, two stop blocks 2-11 are respectively arranged on two sides of the vibration motor 2-7, and four screws 2-12 tightly abut against the vibration motor 2-7 through the stop blocks 2-11, so as to reduce the shearing force of the motor on the fixing bolts. And a reinforcing steel plate 2-13 is additionally arranged on one side of the force guide plate 2-8 connected with the vibration motor 2-7, the 4 fixing bolts 2-9 are used for fixedly connecting the force guide plate 2-8, the reinforcing steel plate 2-13 and the vibration motor 2-7 together through thread fit, and the stop block 2-11 is fixedly arranged at the upper end of the reinforcing steel plate 2-13. The stop blocks 2-11 and the reinforced steel plates 2-13 are welded into a whole.
When the vibrating motors 2-7 on the two force guide plates 2-8 work, strong exciting force can be generated, and the vibration acceleration can reach 6-9 times of gravity acceleration, so that the structural rigidity and the strength of the screen box 2-2 are required to be good, and the installation stability of the vibrating motors 2-7 is also very important. In the embodiment, double layers of reinforced steel plates 2-13 are additionally arranged at the fixed positions of the vibration motors 2-7, and 2 channel steels are welded on the reinforced steel plates 2-13 simultaneously, so that the rigidity of the force guide plates 2-8 is enhanced. In addition, the vibration motor 2-7 is fixed on the force guide plate 2-8 through 4 fixing bolts 2-9, in order to loosen, nuts 2-10 are adopted to match with the fixing bolts 2-9, and naturally, a gasket and other modes can be added to further fix the vibration motor. Two stop blocks 2-11 are additionally arranged on two sides of the installation of the vibration motors 2-7, 4 screws are arranged on the stop blocks to tightly support the vibration motors 2-7, and the shearing force of the vibration motors 2-7 to the fixing bolts 2-9 is reduced. Therefore, the whole structure is stable in matching, and the vibration motor can work stably.
Further, in this embodiment, the base 2-1 is optimally designed, the base 2-1 includes a plurality of pairs of supporting legs 2-1-1, the plurality of pairs of supporting legs 2-1-1 horizontally support the sieve box 2-2, and each pair of supporting legs 2-1-1 are connected through a transverse reinforcing rod 2-1-2, so as to increase the stability of the base 2-1. And a damping spring 2-14 is arranged at the joint of the base 2-1 and the screen box 2-2. The sieve box 2-2 is welded on a plurality of pairs of supporting feet 2-1-1, and the transverse reinforcing rod 2-1-2 is welded between the pair of supporting feet 2-1-1 to enhance the structural rigidity.
The base 2-1 is designed to enhance the strength and rigidity of the base 2-1 so as to stably support the screen box 2-2. Specifically, a plurality of pairs of supporting legs 2-1-1 are adopted, the stability of the base 2-1 is improved between each pair of supporting legs 2-1-1 through the transverse reinforcing rods 2-1-2, so that the structure of the base tends to be stable, and the damping springs 2-14 are designed for damping, so that the stability of the whole structure is further improved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A coffee bean screening and separating device comprises a primary screening mechanism and a secondary screening mechanism, and is characterized in that,
the primary screening mechanism comprises a primary screening machine body, a primary screening channel is arranged in the primary screening machine body, a feeding hopper for feeding is installed on the screening machine body corresponding to the upper part of the primary screening channel, a discharging hole is formed in the screening machine body corresponding to the lower part of the primary screening channel, a waste hole is formed in the screening machine body corresponding to the right side of the primary screening channel, a wind wheel is arranged on the left side of the primary screening channel, the wind wheel is coaxially connected with a rotating shaft, the rotating shaft is installed on the primary screening machine body, and a primary screening motor is coaxially connected with the rotating shaft to drive the rotating shaft to rotate so that air flow towards the waste hole is formed in the primary screening machine body;
the secondary screening mechanism comprises a base, the base supports a screen box, one side of the upper end of the screen box is connected with a material distributing hopper for feeding, the material distributing hopper is correspondingly arranged at the lower end of the discharge port to receive primary screening materials from the discharge port, at least one layer of screen mesh is arranged in the screen box to divide the interior of the screen box into at least two screening spaces, and a discharge channel is arranged at the lower end of the screen box corresponding to each screening space; the two vibrating motors are connected with the screen box through the force guide plate, and the two vibrating motors are fixedly arranged on the force guide plate and have an inclination angle relative to the vertical direction of the screen cloth.
2. The coffee bean screening and separating apparatus of claim 1, wherein: the vibration motor is fixedly arranged on the force guide plate through 4 fixing bolts, and each fixing bolt is provided with a nut in a matching mode.
3. A coffee bean screening and separating apparatus according to claim 2, wherein: two stopping blocks are respectively arranged on two sides of the vibration motor, and the four screws are tightly abutted to the vibration motor through the stopping blocks so as to reduce the shearing force of the motor to the fixing bolt.
4. A coffee bean screening and separating apparatus according to claim 3, wherein: lead the reinforcing steel plate that increases in one side that power board and vibrating motor link to each other, 4 fixing bolt all will lead power board, reinforcing steel plate, vibrating motor fixed connection together through screw-thread fit, stop block fixed mounting in reinforcing steel plate upper end.
5. The coffee bean screening and separating apparatus of claim 4, wherein: the stop block and the reinforced steel plate are welded into a whole.
6. The coffee bean screening and separating apparatus of claim 1, wherein: the screen cloth is 2 ~ 4, and the screening aperture of every screen cloth is different.
7. The coffee bean screening and separating apparatus of claim 1, wherein: the base includes a plurality of pairs of supporting legs, and a plurality of pairs of supporting legs level support the sieve case, every is connected through horizontal stiffener between to the supporting legs to increase the stability of base.
8. The coffee bean screening and separating apparatus of claim 1, wherein: and a vibration damping spring is arranged at the joint of the base and the screen box.
9. The coffee bean screening and separating apparatus of claim 7, wherein: a plurality of supporting legs and sieve case welding.
10. The coffee bean screening and separating apparatus of claim 7, wherein: a transverse reinforcing rod is welded between each pair of supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593169.0U CN210171890U (en) | 2019-04-28 | 2019-04-28 | Coffee bean screening and separating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920593169.0U CN210171890U (en) | 2019-04-28 | 2019-04-28 | Coffee bean screening and separating device |
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| CN210171890U true CN210171890U (en) | 2020-03-24 |
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| CN201920593169.0U Active CN210171890U (en) | 2019-04-28 | 2019-04-28 | Coffee bean screening and separating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112580941A (en) * | 2020-12-03 | 2021-03-30 | 安徽普仁中药饮片有限公司 | Material management method of traditional Chinese medicine decoction pieces |
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2019
- 2019-04-28 CN CN201920593169.0U patent/CN210171890U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112580941A (en) * | 2020-12-03 | 2021-03-30 | 安徽普仁中药饮片有限公司 | Material management method of traditional Chinese medicine decoction pieces |
| CN112580941B (en) * | 2020-12-03 | 2023-12-29 | 安徽普仁中药饮片有限公司 | Material management method of traditional Chinese medicine decoction pieces |
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