CN112166081A

CN112166081A - Material conveying mechanism and weighing system

Info

Publication number: CN112166081A
Application number: CN202080002507.4A
Authority: CN
Inventors: 李嘉
Original assignee: Suzhou Mingzhi Technology Co Ltd
Current assignee: Suzhou Mingzhi Technology Co Ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2021-01-01
Also published as: WO2021134758A1

Abstract

A material conveying mechanism (100) and a weighing system (001) belong to the technical field of material distribution, the material conveying mechanism (100) comprises a first conveyor (110) and a second conveyor (120), the first conveyor (110) comprises a first conveying cylinder (111) and a first spiral conveying blade (112) which is arranged in the first conveying cylinder (111) and is in running fit with the first conveying cylinder (111); the second conveyor (120) comprises a second conveying cylinder (121) and a second spiral conveying blade (122) which is arranged in the second conveying cylinder (121) and is in running fit with the second conveying cylinder (121); the first conveying cylinder (111) is connected with the second conveying cylinder (121); the outer diameter of the first spiral conveying blade (112) is larger than that of the second spiral conveying blade (122), and the conveying capacity of the first conveyor (110) is larger than that of the second conveyor (120) under the conditions of the same linear speed and the same time; the first conveyor (110) and the second conveyor (120) are both configured to convey material to the same weighing mechanism (300). The weighing system (001) includes a material conveying mechanism (100).

Description

Material conveying mechanism and weighing system

Technical Field

The disclosure relates to the technical field of material distribution, in particular to a material conveying mechanism and a weighing system.

Background

When the material is used, the weight of the material is a common parameter, especially, in the core-making and sand-mixing process of the casting industry, various powdered materials need to be mixed according to a certain weight proportion, the weight of each material has strict requirements, in order to obtain the material with required weight, the material is often conveyed to a weighing device by utilizing a conveying device, and the material is weighed by the weighing device.

The inventor finds in research that the conventional material conveying equipment has at least the following disadvantages:

the material conveying equipment conveys materials to the weighing equipment, the quantity of the materials falling onto the weighing equipment is not easy to control, and the weighing result error is large.

Disclosure of Invention

Objects of the present disclosure include, for example, providing a material conveying mechanism and a weighing system that improve the deficiencies of the prior art, that can accurately control the amount of material conveyed from the material conveying mechanism onto the weighing mechanism, that improves the accuracy of the quantification, and that has a small error in the weighing result.

The embodiment of the disclosure is realized by the following steps:

the embodiment of the disclosure provides a material conveying mechanism, which comprises a first conveyor and a second conveyor, wherein the first conveyor comprises a first conveying cylinder and a first spiral conveying blade which is arranged in the first conveying cylinder and is in running fit with the first conveying cylinder; the second conveyor comprises a second conveying cylinder and a second spiral conveying blade which is arranged in the second conveying cylinder and is in running fit with the second conveying cylinder; the first conveying cylinder is connected with the second conveying cylinder; the outer diameter of the first spiral conveying blade is larger than that of the second spiral conveying blade, so that the conveying capacity of the first conveyor is larger than that of the second conveyor under the condition of the same linear speed; the first conveyor and the second conveyor are both configured to convey material to the same weighing mechanism.

Optionally, the first conveying cylinder is provided with a first discharge port and a material leakage port which are independent of each other, the first discharge port is positioned in front of the material leakage port in the conveying direction of the first conveyor, and the first discharge port is configured to convey materials to the weighing mechanism; the second conveying cylinder is provided with a second discharge hole and a material receiving hole, the second discharge hole is positioned in front of the material receiving hole in the conveying direction of the second conveyor, and the second discharge hole is configured to convey materials to the weighing mechanism; the material leakage opening is communicated with the material receiving opening.

Optionally, the material conveying mechanism further comprises an adjusting piece, the adjusting piece is arranged between the material leakage opening and the material receiving hole and configured to adjust the communication area of the material leakage opening and the material receiving opening.

Optionally, the adjusting member is in sliding fit with at least one of the first conveying cylinder and the second conveying cylinder to adjust the communicating area of the material leakage port and the material receiving port.

Optionally, the adjusting part is provided with a connecting port, and the adjusting part is configured to move relative to the first conveying cylinder or the second conveying cylinder so as to adjust the communication area between the connecting port and the material leakage port, and thus adjust the communication area between the material leakage port and the material receiving port.

Optionally, the quantity of drain hole is a plurality of, and a plurality of drain holes are independent each other, and the regulating part is configured into the aperture size of adjusting a plurality of drain holes to adjust a plurality of drain holes and connect the intercommunication area of material mouthful.

Optionally, the material conveying mechanism further comprises a positioning element and a screw rod, the positioning element is connected with the outer wall of the first conveying cylinder, the positioning element is provided with a threaded hole, and the threaded hole extends along the axis of the first conveying cylinder; the screw rod is in threaded connection with the threaded hole, the screw rod is in rotary connection with the adjusting piece, and the screw rod and the adjusting piece are relatively fixed on the axis of the screw rod; when the screw rod is rotated, the screw rod drives the adjusting piece to slide in a reciprocating mode relative to the first conveying cylinder along the axis of the screw rod so as to adjust the communication area of the material leakage opening and the material receiving opening.

Optionally, the extending direction of the first conveying cylinder is the same as the extending direction of the second conveying cylinder.

Optionally, orthographic projections of the first conveying cylinder and the second conveying cylinder in the height direction of the material conveying mechanism are at least partially overlapped, and the height of the first conveying cylinder is larger than that of the second conveying cylinder.

Optionally, the length of the first spiral conveying blade is greater than that of the second spiral conveying blade, and the length of the first spiral conveying blade is the distance between two ends of the first spiral conveying blade in the extending direction of the first conveying cylinder; the length of the second screw blade means a distance between both ends of the second screw blade in the extending direction of the second transport cylinder.

Optionally, the first discharge port of the first conveying cylinder and the second discharge port of the second conveying cylinder are located on the same side.

Optionally, the material conveying mechanism further comprises a guide cylinder, the guide cylinder is connected with the first conveying cylinder and the second conveying cylinder simultaneously, the guide cylinder is provided with an outlet, and the first discharging port and the second discharging port are communicated with the outlet.

Optionally, the material conveying mechanism further comprises a driving member, and the driving member is connected with the second spiral conveying blade to drive the second spiral conveying blade to rotate.

Optionally, the material conveying mechanism further comprises a transmission assembly, the transmission assembly is connected to the first spiral conveying blade and the second spiral conveying blade at the same time, and when the motor drives the second spiral conveying blade to rotate, the transmission assembly drives the first spiral conveying blade to rotate.

Optionally, the material conveying mechanism further comprises a clutch, the clutch is connected with the first spiral conveying blade, and the clutch is selectively in transmission connection or disconnection with the transmission assembly.

Optionally, the material conveying mechanism further comprises a feeding piece, and the feeding piece is connected with the first conveying cylinder and configured to convey materials into the cylinder cavity of the first conveying cylinder.

Optionally, the material conveying mechanism further comprises a stirring assembly, and the stirring assembly is connected with the feeding piece and configured to stir the material in the feeding piece.

Optionally, the material conveying mechanism further comprises a frame, and the first conveying cylinder and the second conveying cylinder are connected with the frame.

Embodiments of the present disclosure also provide a weighing system that includes a weighing mechanism and the above-mentioned material conveying mechanism, which has all of the functions of the material conveying mechanism.

Optionally, the weighing mechanism includes a storage material and an electronic weigher, the storage material is arranged on the electronic weigher, and the electronic weigher is configured to weigh the weight of the material in the storage material; the storage member is configured to receive material conveyed thereto from the first conveyor and the second conveyor.

Compared with the prior art, the beneficial effects of the embodiment of the present disclosure include, for example:

to sum up, the present embodiment provides a material conveying mechanism configured to convey materials to the same weighing mechanism. The material conveying mechanism comprises a first conveyor and a second conveyor, the first conveyor and the second conveyor are both of spiral conveying structures, the outer diameter of a first spiral conveying blade of the first conveyor is larger than that of a spiral conveying blade of the second conveyor, so that the material conveying amount of the first conveyor is larger than that of the second conveyor at the same time under the condition of the same linear speed, in other words, the material conveying speed of the first conveyor is larger than that of the second conveyor. When utilizing material conveying mechanism to carry the material to weighing mechanism, first conveyer and second conveyer can be simultaneously to weighing mechanism transported substance material, material conveying speed is fast, the actual weight of the material that is located on weighing mechanism increases gradually and when the actual weight of material increases to being close with settlement weight, can close first conveyer, carry out the transport of material through the second conveyer alone, because the speed that the second conveyer carried the material is slow, the material volume of carrying in the unit interval is few, also the material volume of carrying to weighing mechanism in the unit interval is few, and the second conveyer is spiral conveying structure, control the material conveying volume through control turned angle, the quantitative precision is high, further reduce the error between actual weight and the settlement weight, thereby improve the precision of weighing result.

The embodiment also provides a weighing system, which comprises the material conveying mechanism and has all the advantages of the material conveying mechanism.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present disclosure and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a material conveying mechanism provided by the present disclosure;

fig. 2 is a schematic structural diagram of a rack provided by the present disclosure;

FIG. 3 is a schematic structural view of a first delivery cartridge provided by the present disclosure;

FIG. 4 is a schematic structural view of a second delivery cartridge provided by the present disclosure;

FIG. 5 is a schematic structural view of an adjustment member provided by the present disclosure;

FIG. 6 is an enlarged view of a portion of FIG. 1 at VI;

FIG. 7 is a schematic structural view of a stirring assembly provided by the present disclosure;

fig. 8 is a schematic structural view of a weighing system provided by the present disclosure (the hollow arrow in the figure indicates the falling direction of the material);

fig. 9 is a schematic structural diagram of a weighing mechanism provided by the present disclosure.

Icon:

001-a weighing system; 100-a material conveying mechanism; 110-a first conveyor; 111-a first delivery cartridge; 1110-a feed port; 1111-material leakage port; 1112-a first discharge port; 112-a first helical conveying blade; 113-a first drive shaft; 114-a first transmission assembly; 120-a second conveyor; 121-a second delivery cartridge; 1210-a second discharge hole; 1211-second receiving port; 122-a second screw conveying blade; 123-a second drive shaft; 124-a second transmission assembly; 130-a frame; 131-a bottom plate; 132-a first mounting plate; 133-a second mounting plate; 134-a first plate portion; 135-a second plate portion; 136-a third plate portion; 137-a support block; 140-an adjustment member; 141-connection port; 150-a positioning element; 160-a nut; 170-screw rod; 180-a drive member; 190-a clutch; 200-a feeding member; 210-a stirring assembly; 211-a stirring shaft; 212-stirring blades; 220-a third transmission assembly; 230-a guide cylinder; 231-an outlet; 300-a weighing mechanism; 310-a storage member; 320-an electronic weigher; 330-valve.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. The components of the embodiments of the present disclosure, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present disclosure, presented in the figures, is not intended to limit the scope of the claimed disclosure, but is merely representative of selected embodiments of the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present disclosure, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the present invention is used to conventionally place, the description is merely for convenience of describing the present disclosure and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present disclosure.

Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present disclosure, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

It should be noted that the features in the embodiments of the present disclosure may be combined with each other without conflict.

Referring to fig. 1, the present disclosure provides a material conveying mechanism 100 suitable for conveying powder materials with small particles, which can be used alone or in combination with other mechanisms. When the material conveying mechanism 100 conveys the material to the weighing mechanism 300, the quantitative precision is high, the error between the actual weight and the set weight of the material is small, and the precision of the weighing result of the material is high.

Referring to fig. 1, a material conveying mechanism 100 provided by the present disclosure includes a first conveyor 110 and a second conveyor 120, where the first conveyor 110 includes a first conveying cylinder 111 and a first spiral conveying blade 112 disposed in the first conveying cylinder 111 and rotationally engaged with the first conveying cylinder 111; the second conveyor 120 comprises a second conveying cylinder 121 and a second spiral conveying blade 122 which is arranged in the second conveying cylinder 121 and is in rotating fit with the second conveying cylinder 121; the first conveying cylinder 111 is connected with the second conveying cylinder 121; the outer diameter of the first spiral conveying blade 112 is larger than that of the second spiral conveying blade 122, and the conveying capacity of the first conveyor 110 is larger than that of the second conveyor 120 at the same linear speed and the same time; the first conveyor 110 and the second conveyor 120 are both configured to convey material to the same weighing mechanism 300.

In the present disclosure, the first conveyor 110 and the second conveyor 120 of the material conveying mechanism 100 are configured to convey material to the same weighing mechanism 300. The first conveyor 110 and the second conveyor 120 are both of a spiral conveying structure, and the outer diameter of the first spiral conveying blade 112 of the first conveyor 110 is larger than that of the second conveyor 120, so as to ensure that the material amount conveyed by the first conveyor 110 is larger than that conveyed by the second conveyor 120 at the same time under the condition of the same linear speed, in other words, the material conveying speed of the first conveyor 110 is larger than that of the second conveyor 120. When the material conveying mechanism 100 is used to convey a material to the weighing mechanism 300, in an initial stage of conveying the material, that is, a difference between an actual weight of the material and a set weight of the material is large, this stage may be referred to as a rough conveying stage of the material. During the rough conveying stage, the first conveyor 110 and the second conveyor 120 can simultaneously convey materials to the weighing mechanism 300, so that the material conveying speed is high, and the material conveying efficiency is high. When the actual weight of the material on the weighing mechanism 300 gradually increases and when the actual weight of the material increases to be close to the set weight, the last stage of material conveying is entered, the conveying speed of the material needs to be slowed down to avoid the actual weight of the material from changing greatly, and the stage can be called as a fine conveying stage of the material. In the fine conveying stage process, the first conveyor 110 is closed, the second conveyor 120 is used for conveying materials independently, the speed of conveying the materials by the second conveyor 120 is lower than the speed of conveying the materials by the first conveyor 110, the quantity of the materials conveyed in unit time is less, namely, the quantity of the materials conveyed to the weighing mechanism 300 by the second conveyor 120 in unit time is less, the second conveyor 120 is of a spiral conveying structure, the quantity of the materials conveyed can be controlled by controlling the rotating angle, the quantitative precision is high, the error between the actual weight and the set weight is greatly reduced, and the precision of the weighing result is improved. That is, the material conveying mechanism 100 provided by the present disclosure conveys the material to the weighing mechanism 300 stage by stage, which not only ensures that the material conveying speed is fast and the efficiency is high, but also ensures that the precision of the material weighing result is high.

Referring to fig. 1 and 2, in the present disclosure, optionally, the material conveying mechanism 100 further includes a frame 130, and the frame 130 includes a bottom plate 131, and a first mounting plate 132 and a second mounting plate 133 both connected to the bottom plate 131. The bottom plate 131 is horizontally disposed, and the bottom plate 131 may be fixed on the ground or connected to other components, so that the material conveying mechanism 100 may be fixed. The first mounting plate 132 and the second mounting plate 133 are vertically arranged, in other words, the first mounting plate 132 and the second mounting plate 133 are perpendicular to the bottom plate 131, the first mounting plate 132 and the second mounting plate 133 jointly divide the bottom plate 131 into a first plate portion 134, a second plate portion 135 and a third plate portion 136 which are sequentially arranged, the second plate portion 135 is located between the first mounting plate 132 and the second mounting plate 133, the first plate portion 134 is located on the side of the first mounting plate 132 away from the second mounting plate 133, and the third plate portion 136 is located on the side of the second mounting plate 133 away from the first mounting plate 132.

Optionally, the first plate portion 134 is provided with support blocks 137, the number of the support blocks 137 is set as required, and each support block 137 may be fixedly connected with the bottom plate 131 through a bolt.

It should be appreciated that the frame 130 may further include a support foot (not shown) connected to the bottom plate 131, the support foot being located on a surface of the bottom plate 131 remote from the first mounting plate 132 or the second mounting plate 133, an end of the support foot remote from the bottom plate 131 being configured to be fixed to the ground or other component. Optionally, the supporting feet can be arranged in a length-adjustable structure to meet the requirements of different heights. It should be noted that the number of the supporting legs is set as required, and is not particularly limited in the present disclosure.

Referring to fig. 1 and 3, in the present disclosure, the first conveyor 110 is optionally connected to the frame 130. Optionally, the first conveying cylinder 111 of the first conveyor 110 is a cylindrical cylinder with two open ends, one end of the first conveying cylinder 111 is connected to the first mounting plate 132 of the frame 130, a feeding hole 1110 is disposed on the upper portion of the first conveying cylinder 111 near the cylinder wall of the first mounting plate 132, and the feeding hole 1110 may be a square hole, a cylindrical hole, or a hole with another shape. The feed opening 1110 may be a groove, and one end of the feed opening 1110 in the extending direction of the first transport cylinder 111 extends to the end surface of the first transport cylinder 111 connected to the first mounting plate 132. A port of the first conveying cylinder 111 far from the first mounting plate 132 is provided as a first discharge port 1112, the first screw conveying blade 112 provided in the first conveying cylinder 111 conveys the material from the first mounting plate 132 to the first discharge port 1112, and the material is output from the first discharge port 1112.

Optionally, a material leakage port 1111 is arranged at the bottom of the first conveying cylinder 111 near the cylinder wall of the first discharge port 1112, the material leakage port 1111 radially penetrates through the cylinder wall of the first conveying cylinder 111 along the first conveying cylinder 111, and the material leakage port 1111 may be a circular hole or a square hole, etc. The material leaking opening 1111 is compared with the first mounting plate 132 which is closer to the first material outlet 1112, and the material is firstly discharged from the first material outlet 1112 through the material leaking opening 1111 in the process of being conveyed in the first conveying cylinder 111, and when the material passes through the material leaking opening 1111, part of the material can be discharged from the material leaking opening 1111.

Optionally, the number of the material leaking openings 1111 on the wall of the first conveying cylinder 111 may be set to be one or more, and when the number of the material leaking openings 1111 is multiple, the material leaking openings 1111 are uniformly arranged at intervals along the extending direction of the first conveying cylinder 111. For example, in the present disclosure, the number of the leakage openings 1111 is seven, and obviously, the number of the leakage openings 1111 is not limited to seven, and may be other numbers.

It should be noted that, when the number of the material discharge openings 1111 is plural, the shapes of the plural material discharge openings 1111 may be set to be the same, or the shapes of at least two material discharge openings 1111 of the plural material discharge openings 1111 may be set to be different.

It should be noted that the first conveying cylinder 111 may not be limited to a cylindrical cylinder, but may also be a cylindrical structure with a square ring or an elliptical ring in cross section, where the cross section refers to a plane perpendicular to the extending direction of the first conveying cylinder 111.

In the present disclosure, optionally, the first helical conveying blade 112 may be a shaft blade, that is, a helical blade extends in a helix around the central shaft; alternatively, the first helical conveying blade 112 may be a shaftless blade, i.e., a helical blade extending in a helix about its axis.

Referring to fig. 1, in the present disclosure, optionally, the first conveyor 110 further includes a first transmission shaft 113 and a first transmission assembly 114, the first transmission shaft 113 and the first spiral conveying blade 112 are coaxially disposed and fixedly connected, and the first transmission shaft 113 rotates to drive the first spiral conveying blade 112 to rotate. First transmission shaft 113 is provided coaxially with first transfer cylinder 111, and first transmission shaft 113 is simultaneously rotationally fitted to first mounting plate 132 and second mounting plate 133. For example, the first transmission shaft 113 and the first mounting plate 132 are coupled by a bearing, and the first transmission shaft 113 and the second mounting plate 133 are coupled by a bearing. The first transmission assembly 114 is connected to the first transmission shaft 113 and configured to output torque from the first transmission shaft 113.

Optionally, the first transmission assembly 114 is a gear transmission assembly, the first transmission assembly 114 includes a first transmission gear, and the first transmission gear is sleeved outside the first transmission shaft 113 and rotates along with the rotation of the first transmission shaft 113.

Referring to fig. 1 and 4, in the present disclosure, the second conveyor 120 is optionally connected to the frame 130. Optionally, the second conveying cylinder 121 of the second conveyor 120 is a cylindrical cylinder with two open ends, one end of the second conveying cylinder 121 is connected to the first mounting plate 132 of the frame 130, the extending directions of the first conveying cylinder 111 and the second conveying cylinder 121 are the same, the first conveying cylinder 111 and the second conveying cylinder 121 are stacked and arranged in a direction perpendicular to the bottom plate 131 and have a gap, and the first conveying cylinder 111 is farther away from the bottom plate 131 than the second conveying cylinder 121. Optionally, the orthographic projection of the first conveying cylinder 111 and the second conveying cylinder 121 in the height direction of the material conveying mechanism 100 at least partially overlaps, wherein the height direction of the material conveying mechanism 100 is the direction perpendicular to the bottom plate 131. Optionally, a plane defined by the axis of the first conveying cylinder 111 and the axis of the second conveying cylinder 121 is perpendicular to the plate surface of the bottom plate 131. The second delivery cylinder 121 is spaced apart from the base plate 131, and the second delivery cylinder 121 is carried by a support block 137 on the base plate 131. A port of the second conveying cylinder 121 far from the first mounting plate 132 is set as a second discharge port 1210, the first discharge port 1112 and the second discharge port 1210 are located on the same side, the second spiral conveying blade 122 arranged in the second conveying cylinder 121 conveys the material from the first mounting plate 132 to the second discharge port 1210, and the material is output from the second discharge port 1210.

Optionally, the second transport cylinder 121 is equipped with near the section of thick bamboo wall top of second discharge gate 1210 and connects the material mouth, connects the material mouth to run through the section of thick bamboo wall of second transport cylinder 121 along the radial of second transport cylinder 121, connects the material mouth can be circular port or quad slit, in this disclosure, connects the material mouth to be the bar hole, connects the material mouth to extend along the axis of second transport cylinder 121. The in-process that the material was carried in first transport cylinder 111, when the material was through lou material mouth 1111, partial material can be discharged from lou material mouth 1111 to in entering into second transport cylinder 121 through connecing the material mouth, connect the material mouth to compare and be close to first mounting panel 132 more in second discharge gate 1210, and the material is earlier from connecing material mouth entering second transport cylinder 121, then discharge from second discharge gate 1210 through second spiral conveying blade 122.

It should be understood that the number of the material receiving openings on the wall of the second conveying cylinder 121 may be set to be one or more, and when the number of the material receiving openings is multiple, the multiple material receiving openings are uniformly arranged at intervals along the extending direction of the second conveying cylinder 121. In this disclosure, the number of receiving ports is exemplified as one.

It should be noted that the second delivery cylinder 121 may not be limited to a cylindrical cylinder, but may also be a cylindrical structure with a square ring or an elliptical ring in cross section, where the cross section refers to a plane perpendicular to the extending direction of the second delivery cylinder 121.

In the present disclosure, optionally, the second helical conveying blade 122 may be a shaft blade, that is, a helical blade extends in a helix around the central shaft; alternatively, the second helical conveying blade 122 may be a shaftless blade, i.e., a helical blade extending helically about its axis.

Referring to fig. 1, optionally, the length of the second spiral conveying blade 122 is smaller than the length of the first spiral conveying blade 112, and the length of the first spiral conveying blade 112 refers to a distance between two ends of the first spiral conveying blade in the extending direction of the first conveying cylinder 111; the length of the second helical blade means a distance between both ends of the second helical blade in the extending direction of the second transport cylinder 121.

In this disclosure, optionally, the second conveyor 120 further includes a second transmission shaft 123 and a second transmission assembly 124, the second transmission shaft 123 and the second spiral conveying blade 122 are coaxially disposed and fixedly connected, and the second transmission shaft 123 rotates to drive the second spiral conveying blade 122 to rotate. The second transmission shaft 123 is coaxially disposed with the second delivery cylinder 121, and the second transmission shaft 123 is rotatably engaged with both the first mounting plate 132 and the second mounting plate 133. For example, the second transmission shaft 123 is coupled to the first mounting plate 132 through a bearing, and the second transmission shaft 123 is coupled to the second mounting plate 133 through a bearing. Second drive assembly 124 is coupled to second drive shaft 123 and is configured to output torque from second drive shaft 123.

Optionally, the second transmission assembly 124 is configured as a gear transmission assembly, the second transmission assembly 124 includes a second transmission gear, and the second transmission gear is sleeved outside the second transmission shaft 123 and rotates along with the rotation of the second transmission shaft 123.

Referring to fig. 1 and 5, in the present disclosure, optionally, the material conveying mechanism 100 further includes an adjusting part 140, where the adjusting part 140 is disposed between the first conveying cylinder 111 and the second conveying cylinder 121 and configured to adjust a communication area between the material leaking port 1111 and the material receiving port. It should be noted that the communicating area of the material leakage port 1111 and the material receiving port means the overlapping area of the orthographic projection of the material leakage port 1111 and the orthographic projection of the material receiving port in the radial direction of the first conveying cylinder 111, the material leakage port 1111 and the material receiving port are communicated at the overlapping position, and when a material is conveyed in the first conveying cylinder 111 and passes through the material leakage port 1111, the material enters the second conveying cylinder 121 from the overlapping position of the material leakage port 1111 and the material receiving port. The overlapping area of the material leaking port 1111 and the material receiving port is adjusted, so that the amount of the material entering the second conveying cylinder 121 is controlled.

Optionally, the adjusting element 140 is plate-shaped, the adjusting element 140 is provided with a plurality of connection ports 141 simultaneously penetrating through two opposite plate surfaces of the adjusting element, the number of the connection ports 141 may be one or more, optionally, the number of the connection ports 141 is multiple, the connection ports 141 are uniformly arranged at intervals along a straight line, and for example, the number of the connection ports 141 is seven. The adjusting member 140 is inserted between the first conveying cylinder 111 and the second conveying cylinder 121, and two opposite plate surfaces of the adjusting member 140 are respectively closely attached to the cylinder wall of the first conveying cylinder 111 and the cylinder wall of the second conveying cylinder 121, so as to reduce a gap between the adjusting member 140 and the cylinder wall of the first conveying cylinder 111, and reduce a gap between the adjusting member 140 and the cylinder wall of the second conveying cylinder 121. The material leakage port 1111 is communicated with the material receiving port through a connection port 141.

It should be noted that, in this disclosure, the number of the material leaking openings 1111 and the number of the connecting openings 141 are both a plurality of and the one-to-one correspondence communicates, the plurality of connecting openings 141 communicate with one material receiving opening at the same time, the contact area between the adjusting member 140 and the wall of the second conveying cylinder 121 is small, the area of the gap generated between the two is small, the amount of residual material is small, the waste of the material can be reduced, and the cleaning is convenient.

It should be noted that the adjusting element 140 may be slidably engaged with at least one of the first conveying cylinder 111 and the second conveying cylinder 121 along an axis of the first conveying cylinder 111, or the adjusting element 140 may be rotatably engaged with at least one of the first conveying cylinder 111 and the second conveying cylinder 121 along a circumferential direction of the first conveying cylinder 111, and when the adjusting element 140 moves relative to the first conveying cylinder 111 or the second conveying cylinder 121, a communication area between the connection port 141 and the material leakage port 1111 is changed, so as to adjust a communication area between the material leakage port 1111 and the connection port 141, and thus adjust an amount of the material entering the second conveying cylinder 121 from the first conveying cylinder 111.

Referring to fig. 6, in the present disclosure, optionally, the material conveying mechanism 100 further includes a positioning member 150, a nut 160, and a screw 170, the positioning member 150 is plate-shaped, a positioning hole is disposed on the positioning member 150, the positioning member 150 is connected with the first conveying cylinder 111, and the positioning hole extends along an axis of the first conveying cylinder 111. The nut 160 is fixedly connected with the positioning member 150, and the threaded hole of the nut 160 is coaxial with the positioning hole and has a substantially equal inner diameter. The screw 170 is screwed to the nut 160 and passes through the positioning hole, one end of the screw 170 is rotatably engaged with the adjusting member 140, and the screw 170 and the adjusting member 140 are relatively fixed in the extending direction of the screw 170. When the screw 170 is rotated, the screw 170 slides in the extending direction of the first conveying cylinder 111 relative to the first conveying cylinder 111, and drives the adjusting member 140 to slide.

Obviously, the adjusting member 140 can be directly operated to move relative to the first delivery cylinder 111 or the second delivery cylinder 121.

Referring to fig. 1, in the present disclosure, optionally, the material conveying mechanism 100 further includes a guiding cylinder 230, the guiding cylinder 230 is connected to the first conveying cylinder 111 and the second conveying cylinder 121 at the same time, the guiding cylinder 230 has an outlet 231, the first discharging port 1112 and the second discharging port 1210 are both communicated with the outlet 231, and the material is discharged from the outlet 231 and falls onto the weighing mechanism 300.

Referring to fig. 1, in the present disclosure, optionally, the material conveying mechanism 100 further includes a driving member 180 and a clutch 190, the driving member 180 may be a motor, the driving member 180 is mounted on the third plate portion 136, and an output shaft of the driving member 180 extends above the second plate portion 135 and is fixedly connected to the second transmission shaft 123, and is configured to drive the second transmission shaft 123 to rotate around its own axis. The clutch 190 is fixedly connected to the first drive shaft 113, and the clutch 190 is selectively drivingly connected to or disconnected from the second drive assembly 124. In other words, after the driving member 180 is started, the torque is transmitted to the second transmission shaft 123 to drive the second spiral conveying blade 122 to rotate, and the clutch 190 is adjusted to be in transmission connection with the second transmission assembly 124, so that the torque is transmitted to the first transmission shaft 113 to drive the first spiral conveying blade 112 to rotate. When the first conveyor 110 is not required to operate, the clutch 190 is adjusted to be disconnected from the second transmission assembly 124, and the driving member 180 drives only the second conveyor 120 to operate.

It should be noted that the first conveyor 110 and the second conveyor 120 may share one driving member 180, and obviously, one driving member 180 may be provided for each of the first conveyor 110 and the second conveyor 120, and the first conveyor 110 and the second conveyor 120 may be independently controlled. Further, both the first conveyor 110 and the second conveyor 120 may be remotely controlled.

Referring to fig. 1, in the present disclosure, optionally, the material conveying mechanism 100 further includes a feeding member 200, a stirring assembly 210, and a third transmission assembly 220, the feeding member 200 is connected to the first conveying cylinder 111 and the first mounting plate 132 of the frame 130, and the feeding member 200 is provided with an opening communicated with the feeding port 1110 of the first conveying cylinder 111. The stirring assembly 210 is connected to the feeding member 200 and configured to stir the material conveyed by the feeding member 200 into the first conveying cylinder 111. The third transmission assembly 220 is connected to the stirring assembly 210 and configured to input a torque to the stirring assembly 210 to drive the stirring assembly 210 to operate.

Optionally, the feeding member 200 is a funnel-shaped hopper.

Referring to fig. 7, optionally, the stirring assembly 210 includes a stirring shaft 211 and stirring blades 212, the stirring shaft 211 penetrates through the first mounting plate 132 and the feeding member 200, and both ends of the stirring shaft 211 are rotatably connected to both the hopper and the second mounting plate 133. Optionally, both ends of the stirring shaft 211 are rotatably connected with the hopper and the second mounting plate 133 through bearings, respectively. The stirring blade 212 is fixed on the stirring shaft 211, and the stirring blade 212 is positioned in the feeding member 200. It should be noted that the number of the stirring blades 212 may be plural, and a plurality of the stirring blades 212 are arranged on the stirring shaft 211 at intervals.

Optionally, the third transmission assembly 220 is configured as a gear, the gear sleeve is disposed at a position where the stirring shaft 211 is located between the first mounting plate 132 and the second mounting plate 133, and the third transmission assembly 220 is in transmission connection with the first transmission assembly 114. In other words, after the first transmission shaft 113 obtains the torque, the first transmission shaft 113 transmits the torque to the third transmission assembly 220 through the first transmission assembly 114, so as to drive the stirring shaft 211 to rotate, so as to realize that the stirring blade 212 stirs the material in the feeding member 200.

According to the material conveying mechanism 100 provided by the disclosure, the first conveying cylinder 111 and the second conveying cylinder 121 are both connected with the first mounting plate 132, the first conveying cylinder 111 is located on the square of the first conveying cylinder 111, the structure of the first conveying cylinder 111 and the structure of the second conveying cylinder are compact, and the size of the whole structure is small. The first discharge hole 1112 and the second discharge hole 1210 are located on the same side, the end of the first spiral conveying blade 112 corresponding to the first discharge hole 1112 and the end of the second spiral conveying blade 122 corresponding to the second discharge hole 1210 are flush, the first spiral conveying blade 112 and the second spiral conveying blade are independent of each other, no influence is caused between each other, the material conveying is not easy to block, the material conveying is more concentrated, and the material conveying is convenient to match with the weighing mechanism 300. The length of the first spiral conveying blade 112 is greater than that of the second spiral conveying blade 122, so that the path of the materials conveyed in the second conveying cylinder 121 is short, and the efficiency of conveying the materials is improved. At the initial stage of material conveying, the clutch 190 and the second transmission assembly 124 are in a transmission connection state, the driving member 180 transmits power to the first transmission shaft 113, the second transmission shaft 123 and the stirring shaft 211 at the same time, and when the material in the feeding member 200 is conveyed into the first conveying cylinder 111, the material is stirred by the stirring assembly 210, so that the material is more uniform and is not easy to block the first conveying cylinder 111 and fall the conveying cylinder. The first conveyor 110 and the second conveyor 120 simultaneously convey the materials to the weighing mechanism 300 for weighing, the material conveying speed is high, the speed for the actual weight of the materials on the weighing mechanism 300 to approach the set weight is high, and the efficiency is improved. When the actual weight approaches the set weight, the clutch 190 is disconnected, the material is conveyed only by the second conveyor 120, the amount of the material conveyed by the second conveyor 120 in unit time is small, the amount of the material entering the weighing mechanism 300 is conveniently controlled, and therefore the precision of the weighing result is improved. And in the material conveying process, the amount of the material entering the second conveying cylinder 121 from the first conveying cylinder 111 can be adjusted by changing the position of the adjusting piece 140, so that the precision of the weighing result is further improved. Simultaneously, the material in the second conveying cylinder 121 obtains from the small opening 1111 of first conveying cylinder 111, because first conveyer 110 conveying speed is fast, first conveyer 110 can be fast with the material carry to small opening 1111 with connect the position of material mouthful intercommunication, compare the material from the opening of pay-off piece 200 by second conveyer 120 carry to connect the position of material mouthful, required time is short to improve conveying efficiency.

Referring to fig. 8, the present disclosure also provides a weighing system 001, where the weighing system 001 includes a weighing mechanism 300 and the material conveying mechanism 100 provided above, and the material conveying mechanism 100 is configured to convey a material onto the weighing mechanism 300 and to be weighed by the weighing mechanism 300.

Referring to fig. 9, optionally, the weighing mechanism 300 includes a storage member 310 and an electronic weigher 320, wherein the storage member 310 is disposed on the electronic weigher 320, and the electronic weigher 320 is configured to weigh the material in the storage member 310; the magazine 310 is configured to receive material delivered to it from the first conveyor 110 and the second conveyor 120.

Optionally, a discharge outlet is arranged at the bottom of the storage member 310, a valve 330 is arranged on the storage member 310, and the valve 330 controls the on-off of the discharge outlet.

The weighing system 001 provided by the disclosure has high material conveying efficiency, shortens the weighing time and improves the weighing efficiency; and the precision of the weighing result is high.

The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Industrial applicability:

to sum up, this disclosure provides a material conveying mechanism and weighing system, and the result of weighing precision is high, and it is efficient to weigh.

Claims

1. A material conveying mechanism, characterized in that, material conveying mechanism includes:

the first conveyor comprises a first conveying cylinder and a first spiral conveying blade which is arranged in the first conveying cylinder and is in running fit with the first conveying cylinder; the second conveyor comprises a second conveying cylinder and a second spiral conveying blade which is arranged in the second conveying cylinder and is in running fit with the second conveying cylinder; the first conveying cylinder is connected with the second conveying cylinder; the outer diameter of the first spiral conveying blade is larger than that of the second spiral conveying blade, and the conveying capacity of the first conveyor is larger than that of the second conveyor under the conditions of the same linear speed and the same time; the first conveyor and the second conveyor are both configured to convey material to the same weighing mechanism.

2. The material conveying mechanism of claim 1, wherein:

the first conveying cylinder is provided with a first discharge hole and a material leakage hole which are mutually independent, the first discharge hole is positioned in front of the material leakage hole in the conveying direction of the first conveyor, and the first discharge hole is configured to convey materials to the weighing mechanism; the second conveying cylinder is provided with a second discharge hole and a material receiving hole, the second discharge hole is positioned in front of the material receiving hole in the conveying direction of the second conveyor, and the second discharge hole is configured to convey materials to the weighing mechanism; the material leakage opening is communicated with the material receiving opening.

3. The material conveying mechanism of claim 2, wherein:

the material conveying mechanism further comprises an adjusting piece, wherein the adjusting piece is arranged between the material leakage opening and the material receiving hole and is configured to adjust the material leakage opening and the communicating area of the material receiving opening.

4. The material conveying mechanism of claim 3, wherein:

the adjusting piece is in sliding fit with at least one of the first conveying cylinder and the second conveying cylinder to adjust the communicating area of the material leakage port and the material receiving port.

5. The material conveying mechanism according to claim 3 or 4, characterized in that:

the adjusting piece is provided with a connecting port and is configured to move relative to the first conveying cylinder or the second conveying cylinder so as to adjust the communication area of the connecting port and the material leakage port, and therefore the communication area of the material leakage port and the material receiving port is adjusted.

6. The material conveying mechanism according to any one of claims 3-5, wherein:

the quantity of drain hole is a plurality of, and is a plurality of the drain hole is independent each other, the regulating part is configured to adjust a plurality ofly the aperture size of drain hole to it is a plurality of to adjust the drain hole with connect the intercommunication area of material mouthful.

7. The material conveying mechanism according to any one of claims 3-6, wherein:

the material conveying mechanism further comprises a positioning piece and a screw rod, the positioning piece is connected with the outer wall of the first conveying cylinder, the positioning piece is provided with a threaded hole, and the threaded hole extends along the axis of the first conveying cylinder; the screw rod is in threaded connection with the threaded hole, the screw rod is in rotary connection with the adjusting piece, and the screw rod and the adjusting piece are relatively fixed on the axis of the screw rod; when the screw rod is rotated, the screw rod drives the adjusting piece to slide back and forth relative to the first conveying cylinder along the axis of the screw rod so as to adjust the communication area of the material leakage port and the material receiving port.

8. The material conveying mechanism according to any one of claims 1-7, wherein:

the extending direction of the first conveying cylinder is the same as that of the second conveying cylinder.

9. The material conveying mechanism according to any one of claims 1-8, wherein:

the orthographic projections of the first conveying cylinder and the second conveying cylinder in the height direction of the material conveying mechanism are at least partially overlapped, and the height of the first conveying cylinder is larger than that of the second conveying cylinder.

10. The material conveying mechanism according to any one of claims 1-9, wherein:

the length of the first spiral conveying blade is greater than that of the second spiral conveying blade, and the length of the first spiral conveying blade is the distance between two ends of the first spiral conveying blade in the extending direction of the first conveying cylinder; the length of the second helical blade is a distance between both ends of the second helical blade in the extending direction of the second transport cylinder.

11. The material transfer mechanism of claim 10, wherein:

the first discharge hole of the first conveying cylinder and the second discharge hole of the second conveying cylinder are located on the same side.

12. The material transfer mechanism of claim 11, wherein:

the material conveying mechanism further comprises a guide cylinder, the guide cylinder is connected with the first conveying cylinder and the second conveying cylinder simultaneously, the guide cylinder is provided with an outlet, and the first discharging hole and the second discharging hole are communicated with the outlet.

13. The material transfer mechanism of any one of claims 1-12, wherein:

the material conveying mechanism further comprises a driving piece, and the driving piece is connected with the second spiral conveying blade to drive the second spiral conveying blade to rotate.

14. The material transfer mechanism of claim 13, wherein:

the material conveying mechanism further comprises a transmission assembly, the transmission assembly is connected to the first spiral conveying blade and the second spiral conveying blade at the same time, and when the motor drives the second spiral conveying blade to rotate, the transmission assembly drives the first spiral conveying blade to rotate.

15. The material transfer mechanism of claim 14, wherein:

the material conveying mechanism further comprises a clutch, the clutch is connected with the first spiral conveying blade, and the clutch is selectively in transmission connection or disconnection with the transmission assembly.

16. The material transfer mechanism of any one of claims 1-15, wherein:

the material conveying mechanism further comprises a feeding piece, and the feeding piece is connected with the first conveying cylinder and is configured to convey materials to the cylinder cavity of the first conveying cylinder.

17. The material transfer mechanism of claim 16, wherein:

the material conveying mechanism further comprises a stirring assembly, and the stirring assembly is connected with the feeding piece and is configured to stir the material in the feeding piece.

18. The material transfer mechanism of any one of claims 1-15, wherein:

the material conveying mechanism further comprises a rack, and the first conveying cylinder and the second conveying cylinder are connected with the rack.

19. A weighing system, characterized in that the weighing system comprises:

a weighing mechanism and the material delivery mechanism of any one of claims 1-18, the first and second conveyors of the material delivery mechanism each being configured to deliver material to the weighing mechanism.

20. The weighing system of claim 19, wherein:

the weighing mechanism comprises a storage piece and an electronic weigher, the storage piece is arranged on the electronic weigher, and the electronic weigher is configured to weigh the weight of the material in the storage piece; the storage bin is configured to receive material conveyed thereto from the first conveyor and the second conveyor.