Multistage feeding automatic ration packaging scale

Abstract

The utility model belongs to weighing equipment field especially relates to a multistage feeding automatic ration packing scale. The utility model provides a multistage feeding automatic ration packing scale, include: base, wherein the middle part is equipped with electronic scale, one side of base is fixed with vertical board, multistage feeding mechanism is located vertical board, is used for multistage ration feeding packing, multistage feeding mechanism includes: the top opening of storage box is detachably connected with the box cover through the fixed bolt, the inner chamber bottom end of storage box is equally spaced and is opened to have three discharge gates, and the bottom of three discharge gates is fixed with the material guiding pipe respectively, and the main material pipe is communicated between three material guiding pipes, and through setting three helical blades of different pitches cooperation multistage feeding mechanism, can realize the grading of different rates of feed, can satisfy the demand of fast filling, and can guarantee accurate measurement, solve the problem that fixed pitch helical shaft is difficult to balance efficiency and accuracy.

Description

Technical Field

[0001] This utility model belongs to the field of weighing equipment, and in particular relates to a multi-stage feeding automatic quantitative packaging scale. Background Technology

[0002] Automatic quantitative packaging scales are devices that dispense bulk materials into packages according to specified weights. They must have the necessary measurement accuracy and corresponding packaging speed.

[0003] In existing multi-stage feeding automatic quantitative packaging scales, most use a fixed-pitch screw shaft as the core feeding component. Although it can achieve basic material conveying functions, it has obvious limitations in practical applications: the fixed-pitch design results in a single feeding rate, making it difficult to balance the needs of rapid filling and accurate metering. If the screw pitch is large to improve the efficiency of coarse feeding, it will cause large metering errors in the fine feeding stage due to the difficulty in controlling the conveying volume; if the screw pitch is small to ensure metering accuracy, it will significantly reduce the overall feeding speed and affect production efficiency. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned technical problems by providing a multi-stage feeding automatic quantitative packaging scale. By setting three spiral blades with different pitches in conjunction with a multi-stage feeding mechanism, it can achieve graded feeding at different rates, which can meet the needs of rapid filling while ensuring accurate measurement, thus solving the problem of balancing efficiency and accuracy with a fixed-pitch spiral shaft.

[0005] In view of this, the present invention provides a multi-stage feeding automatic quantitative packaging scale, comprising:

[0006] The base has an electronic scale installed in its middle, and a vertical plate is fixed to one side of the base;

[0007] A multi-stage feeding mechanism, disposed on the vertical plate, is used for multi-stage quantitative feeding and packaging. The multi-stage feeding mechanism includes:

[0008] The storage box has a lid that is detachably connected to the top opening by a fixing bolt. The bottom of the inner cavity of the storage box has three discharge ports that are equidistantly opened. The bottom of the three discharge ports is fixed with a guide pipe, and the three guide pipes are connected by a main pipe.

[0009] Three rotating shafts, one end of which is rotatably connected to the box cover via a sealed bearing, and are respectively placed inside the three guide tubes. The outer side of each of the three rotating shafts inside the guide tubes is fixed with a spiral blade with a different pitch.

[0010] The drive assembly, located on the top of the box cover, is used to drive the rotating shaft to cooperate with the spiral blades for feeding.

[0011] In this technical solution, by setting three spiral blades with different pitches and cooperating with a multi-stage feeding mechanism, it is possible to achieve graded feeding at different rates, which can meet the needs of rapid filling and ensure accurate metering, thus solving the problem of balancing efficiency and accuracy of fixed-pitch spiral shafts.

[0012] Furthermore, the drive assembly includes three drive motors mounted on the top of the cover, and the drive ends of the three drive motors are respectively connected to the three rotating shafts via couplings.

[0013] In this technical solution, three drive motors independently drive the rotating shaft, which can flexibly adjust the operating state of each spiral blade, making it easy to accurately control the feeding amount according to the needs of the feeding stage and improve the adaptability of graded feeding.

[0014] Furthermore, the pitches of the three spiral blades are 5 mm, 10 mm, and 15 mm, respectively.

[0015] In this technical solution, by using three spiral blades with different pitches, the rate differences of the coarse, medium and fine feeding stages can be clearly distinguished, ensuring that rapid filling and precise replenishment are connected in an orderly manner, and optimizing the overall feeding rhythm.

[0016] Furthermore, the surface of the feeding hole in the middle of the box cover is provided with a cover, and one side of the cover is hinged to the box cover by a hinge.

[0017] In this technical solution, the cover can seal the feeding hole of the storage box, reduce the entry of external moisture and impurities, prevent the material from getting damp or contaminated, and ensure the stability of the material properties.

[0018] Furthermore, multiple stirring rods are fixedly connected to the outer sides of the three rotating shafts between the spiral blades and the box cover, and the multiple stirring rods on the three rotating shafts are staggered.

[0019] In this technical solution, the materials in the storage tank can be stirred during feeding by the staggered distribution of stirring rods, which prevents the materials from clumping and ensuring that the materials fall evenly.

[0020] Furthermore, a chassis is mounted on the top of the electronic scale, and a support assembly is mounted on the chassis. The support assembly is used to support the packaging bag, making it easier to load materials into the packaging bag.

[0021] In this technical solution, the supporting components provide stable support for the packaging bag, preventing it from tipping over or shifting during the filling process, ensuring that the material is loaded smoothly. Combined with the electronic scale for accurate measurement, this reduces errors caused by unstable filling.

[0022] Furthermore, the support component includes:

[0023] A bottom ring is fixedly connected to the chassis, and telescopic rods are symmetrically installed on the surface of the bottom ring;

[0024] A top ring is fixedly connected between the top ends of the two telescopic rods.

[0025] In this technical solution, the height of the top ring can be adjusted by telescopic rod to accommodate packaging bags of different lengths, thereby improving the equipment's adaptability to diverse packaging needs.

[0026] Furthermore, the telescopic rod includes two sleeves, two support rods, and two bolts. The two sleeves are symmetrically fixed to both sides of the surface of the bottom ring, and the two support rods are symmetrically fixed to both sides of the bottom of the top ring. The two sleeves are slidably sleeved on the bottom outer sides of the two support rods. The two bolts pass through the two sleeves and rub against the outer side of the support rods. The bolts are threadedly screwed into the sleeves.

[0027] In this technical solution, the adjustment method is simple and convenient through the sliding fit between the sleeve and the support rod and the bolt fixing. It can quickly lock the required height, ensure the stability of the support, and reduce the impact of complicated height adjustment on packaging efficiency.

[0028] The beneficial effects of this utility model are:

[0029] 1. This utility model, by setting three spiral blades with different pitches and cooperating with a multi-stage feeding mechanism, can realize graded feeding at different rates, which can not only meet the needs of rapid filling, but also ensure accurate metering, and solve the problem that it is difficult to balance efficiency and accuracy with a fixed pitch spiral shaft.

[0030] 2. This utility model uses staggered stirring rods to stir the material in the storage box during feeding, preventing the material from clumping and ensuring that the material falls evenly.

[0031] 3. This utility model provides stable support for the packaging bag through the support components, preventing the packaging bag from tipping over or shifting during the filling process, ensuring that the material is loaded smoothly. Combined with the electronic scale for accurate measurement, it reduces errors caused by unstable filling. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0033] Figure 2 This is a schematic diagram of the storage box structure of this utility model;

[0034] Figure 3 This is a schematic diagram of the internal structure of the storage box of this utility model;

[0035] Figure 4 This is a schematic diagram of the support component structure of this utility model;

[0036] Figure 5 This is a schematic diagram of the connection structure between the rotating shaft, the spiral blades, and the stirring rod of this utility model.

[0037] In the diagram: 1. Base; 11. Vertical plate; 2. Electronic scale; 21. Chassis; 3. Storage bin; 31. Bin cover; 32. Sealing cover; 33. Guide pipe; 34. Main material pipe; 35. Drive motor; 36. Discharge port; 37. Rotating shaft; 38. Spiral blade; 4. Stirring rod; 5. Support assembly; 51. Bottom ring; 52. Sleeve; 53. Bolt; 54. Support rod; 55. Top ring. Detailed Implementation

[0038] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0039] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0040] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0041] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0042] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0043] Example 1:

[0044] like Figure 1 , Figure 2 and Figure 5 As shown, this utility model provides a multi-stage feeding automatic quantitative packaging scale, including: a base 1, in which an electronic scale 2 is provided, and a vertical plate 11 is fixed on one side of the base 1; a multi-stage feeding mechanism, disposed on the vertical plate 11, for multi-stage quantitative feeding and packaging, the multi-stage feeding mechanism including: a storage tank 3, the top opening of which is detachably connected to a tank cover 31 by a fixing bolt, the bottom of the inner cavity of the storage tank 3 having three discharge ports 36 equidistantly opened, the bottom of the three discharge ports 36 being respectively fixed with guide pipes 33, and the three guide pipes 33 being connected to a main material pipe 34; three rotating shafts 37, one end of which is rotatably connected to the tank cover 31 by a sealed bearing, and respectively placed inside the three guide pipes 33, the outer side of each rotating shaft 37 inside the three guide pipes 33 being fixed with a spiral blade 38 with a different pitch; a drive assembly, disposed on the top of the tank cover 31, for driving the rotating shafts 37 to rotate to cooperate with the spiral blades 38 for feeding.

[0045] During operation, by setting three guide pipes 33 with different pitch spiral blades 38 at the bottom of the storage box 3, when the drive component drives the rotating shaft 37 to rotate, the spiral blades 38 with different pitches can form differentiated feeding rates. The spiral blades 38 with larger pitches can quickly transport a large amount of material to complete the initial filling, while the spiral blades 38 with smaller pitches slowly transport materials to achieve precise replenishment. Through the orderly connection of the three-stage feeding, the problem of difficulty in balancing efficiency and accuracy caused by the single speed of the fixed pitch spiral shaft is solved, and the synergy of rapid filling and precise metering is achieved.

[0046] The drive assembly includes three drive motors 35 mounted on the top of the cover 31, and the drive ends of the three drive motors 35 are respectively connected to the three rotating shafts 37 via couplings.

[0047] During operation, the three drive motors 35 independently drive the three rotating shafts 37 via couplings. The operation of the corresponding spiral blades 38 can be controlled individually according to the needs of the feeding stage. In the coarse feeding stage, only the rotating shaft 37 where the large-pitch spiral blades 38 are located is started to quickly complete the conveying of most of the material. In the fine feeding stage, the rotating shaft 37 where the small-pitch spiral blades 38 are located is started to accurately replenish the material. In this way, the independent drive method avoids the rate binding problem caused by a single drive and can flexibly switch the feeding state of each stage, further optimizing the balance between efficiency and metering accuracy.

[0048] The pitches of the three spiral blades 38 are 5 mm, 10 mm and 15 mm, respectively.

[0049] The three spiral blades 38 employ a differentiated pitch design, creating a stepped feeding rhythm during operation. The larger pitch spiral blades 38 utilize their high conveying capacity per unit speed to quickly fill the main material. The medium pitch blades provide transition and reduce feed fluctuations, while the smaller pitch blades, with their lower conveying capacity per unit speed, precisely control the replenishment amount. This stepped coordination ensures that the overall feeding process maintains a high speed while achieving precise control at critical metering stages, effectively compensating for the functional limitations of fixed-pitch spiral shafts.

[0050] The surface of the feeding hole in the middle of the box cover 31 is provided with a cover 32, and one side of the cover 32 is hinged to the box cover 31 by a hinge.

[0051] During operation, the cover 32 of the box cover 31 can be opened and closed by hinges. When closed, it can seal the feeding hole of the storage box 3. During operation, it can reduce the entry of external moisture, dust and other substances into the storage box 3, and prevent the material from clumping and losing fluidity due to moisture or contamination.

[0052] Example 2:

[0053] like Figure 3As shown, multiple stirring rods 4 are fixedly connected to the outer sides of the three rotating shafts 37 between the spiral blade 38 and the box cover 31, and the multiple stirring rods 4 on the three rotating shafts 37 are staggered.

[0054] With the stirring rods 4 on the three rotating shafts 37 staggered, when the rotating shafts 37 rotate, the stirring rods 4 simultaneously stir the material in the storage tank 3, which can break up the material clumps, make the material evenly distributed and fall smoothly into the three discharge ports 36, thereby avoiding the accumulation and blockage of material in the storage tank 3, ensuring that the spiral blades 38 in each guide pipe 33 can continuously obtain a uniform material supply, ensuring the stable feeding rate of blades with different pitches, and thus maintaining the balance between efficiency and accuracy in the multi-stage feeding process.

[0055] Example 3:

[0056] like Figure 1 and Figure 4 As shown, the electronic scale 2 has a base 21 mounted on its top, and a support component 5 is mounted on the base 21. The support component 5 is used to support the packaging bag, making it easier to put the material into the packaging bag.

[0057] The base 21 on top of the electronic scale 2 provides stable support for the packaging bag through the support component 5. When the multi-stage feeding mechanism conveys materials into the packaging bag through the main material pipe 34, the support component 5 can prevent the packaging bag from tipping over or deforming due to material impact or its own weight, ensuring that the material falls completely into the bag without spilling out. This ensures that the electronic scale 2 can accurately measure the actual amount loaded, and works in conjunction with the accurate measurement function of the multi-stage feeding mechanism to avoid measurement deviations caused by material loss during the loading process.

[0058] The support assembly 5 includes: a bottom ring 51, which is fixedly connected to the chassis 21, and telescopic rods are symmetrically installed on the surface of the bottom ring 51; and a top ring 55, which is fixedly connected between the top ends of the two telescopic rods.

[0059] The bottom ring 51 of the support component 5 is fixed to the chassis 21, and the top ring 55 is connected to the bottom ring 51 through a telescopic rod. During operation, the height of the top ring 55 can be adjusted by the telescopic rod. For different sizes of packaging bags, the top ring 55 can be adjusted to fit the bag opening. This not only provides effective support for the bag opening to receive the material falling from the main material tube 34, but also adapts to the height difference of the packaging bags. The adjustable structure avoids the limitation of fixed support being able to adapt to only a single size of packaging bag, and ensures that the loading process remains smooth when changing to different packaging sizes, without affecting the continuous working rhythm of the multi-stage feeding mechanism.

[0060] The telescopic rod includes two sleeves 52, two support rods 54, and two bolts 53. The two sleeves 52 are symmetrically fixed to both sides of the surface of the bottom ring 51, and the two support rods 54 are symmetrically fixed to both sides of the bottom of the top ring 55. The two sleeves 52 are slidably sleeved on the outer bottom of the two support rods 54. The two bolts 53 pass through the two sleeves 52, and the bolts 53 rub against the outer side of the support rods 54. The bolts 53 are threadedly screwed into the sleeves 52.

[0061] Height adjustment is achieved through the sliding engagement of sleeve 52 and support rod 54. Tightening bolt 53 can fix support rod 54 and sleeve 52. When adjustment is needed, loosening bolt 53 allows support rod 54 to slide up and down to change the height of top ring 55. After adjustment, tightening bolt 53 locks the height. This makes height adjustment simple and quick, enabling adaptation to different packaging bag specifications in a short time. It avoids the impact on overall packaging efficiency caused by excessive support adjustment time. It matches the rapid filling and precise metering rhythm of the multi-stage feeding mechanism, further optimizing the equipment's adaptability to diverse production needs.

[0062] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A multi-stage feeding automatic quantitative packaging scale, characterized in that, include: A base (1) is provided with an electronic scale (2) in the middle, and a vertical plate (11) is fixed on one side of the base (1); A multi-stage feeding mechanism, disposed on the vertical plate (11), is used for multi-stage quantitative feeding and packaging. The multi-stage feeding mechanism includes: The storage box (3) has a lid (31) that is detachably connected to the top opening by a fixing bolt. The bottom of the inner cavity of the storage box (3) is provided with three discharge ports (36) at equal intervals. The bottom of the three discharge ports (36) is respectively fixed with a guide pipe (33), and the three guide pipes (33) are connected to a main pipe (34). Three rotating shafts (37) are rotatably connected to the box cover (31) through a sealed bearing at one end, and are respectively placed in the three guide tubes (33). The outer side of the rotating shafts (37) in the three guide tubes (33) is fixed with helical blades (38) with different pitches. The drive assembly, located on the top of the box cover (31), is used to drive the rotating shaft (37) to rotate in coordination with the spiral blades (38) for feeding.

2. The multi-stage feeding automatic quantitative packaging scale according to claim 1, characterized in that, The drive assembly includes three drive motors (35) mounted on the top of the cover (31), and the drive ends of the three drive motors (35) are respectively connected to the three rotating shafts (37) via couplings.

3. The multi-stage feeding automatic quantitative packaging scale according to claim 1, characterized in that, The pitches of the three spiral blades (38) are 5 mm, 10 mm and 15 mm, respectively.

4. The multi-stage feeding automatic quantitative packaging scale according to claim 1, characterized in that, The surface of the feeding hole in the middle of the box cover (31) is provided with a cover (32), and one side of the cover (32) is hinged to the box cover (31) by a hinge.

5. The multi-stage feeding automatic quantitative packaging scale according to claim 1, characterized in that, Multiple stirring rods (4) are fixedly connected to the outside of the three rotating shafts (37) between the spiral blade (38) and the box cover (31), and the multiple stirring rods (4) on the three rotating shafts (37) are staggered.

6. The multi-stage feeding automatic quantitative packaging scale according to claim 1, characterized in that, The electronic scale (2) has a chassis (21) mounted on top, and a support component (5) is mounted on the chassis (21). The support component (5) is used to support the packaging bag, making it easier to put the material into the packaging bag.

7. The multi-stage feeding automatic quantitative packaging scale according to claim 6, characterized in that, The support component (5) includes: Bottom ring (51), the bottom ring (51) is fixedly connected to the chassis (21), and telescopic rods are symmetrically installed on the surface of the bottom ring (51); A top ring (55) is fixedly connected between the top ends of the two telescopic rods.

8. The multi-stage feeding automatic quantitative packaging scale according to claim 7, characterized in that, The telescopic rod includes two sleeves (52), two support rods (54), and two bolts (53). The two sleeves (52) are symmetrically fixed to both sides of the surface of the bottom ring (51), and the two support rods (54) are symmetrically fixed to both sides of the bottom of the top ring (55). The two sleeves (52) are slidably sleeved on the bottom outer side of the two support rods (54). The two bolts (53) pass through the two sleeves (52) respectively, and the bolts (53) rub against the outer side of the support rods (54). The bolts (53) are threadedly screwed into the sleeves (52).

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