CN209795885U - Tea sorting device - Google Patents

Abstract

The utility model relates to a tea sorting device, which comprises a frame, a plurality of weighing disks, a transmission device arranged on the frame and used for transmitting the weighing disks, a feeding device arranged on the frame and used for adding tea to the weighing disks which are moved to a first set position, a weighing device arranged on the frame and used for weighing the weighing disks with the tea, and a control device arranged on the frame; the control device is respectively connected with the conveying device, the weighing device and the feeding device, so that when the conveying device conveys the empty weighing disc to a first set position, the conveying device is controlled to stop conveying and the feeding device is controlled to feed; and when the weighing device weighs the weight of the weighing plate to reach the set weight, controlling the feeding device to stop feeding and controlling the conveying device to continue conveying. This tealeaves sorting device can be to accurate, the quick letter sorting of weighing of tealeaves, and it can reduce the human cost and improve packing efficiency.

Description

Tea sorting device

Technical Field

The utility model relates to a tealeaves packing technical field, more specifically say, relate to a tealeaves sorting device.

Background

In order to improve the preservation time of the tea, the anti-counterfeiting function of brand tea and the grade promotion of tea package. Many brands of tea production units. In the aspect of tea packaging, the image investment is increased. The whole bag of loose tea is transferred to the iron box package from the beginning, and then the loose tea is developed to the subsequent vacuum package, and then the loose tea is developed into a big bag and divided into a plurality of small packages. Each of the smaller packages up to now requires a fixed shape, standard weight, independent vacuum package. The production enterprises are continuously improved step by step.

As most tea production units are in the form of family workshops and small farmlands. In high demand, many production units use a lot of manual work to achieve production. Tea leaves are usually produced only 4 times a year. The time per production is not very long. It is difficult to organize large-scale automated flow line production. With the continuous rise of the cost of workers, the original production mode is very difficult. More and more production units are beginning to be completed with the assistance of mechanized equipment. The number of requirements for such devices is limited. Resulting in a reluctance to devote a great deal of effort to this industry for large equipment manufacturing enterprises. Small-scale equipment companies have limited design and manufacturing capabilities. Particularly in the field of rapid automatic sorting which needs high electromechanical integration, the method is more attentive. However, these enterprises have a certain level of skill in packaging, vacuum-pumping, and transportation. They are more demanding resource integration for fast sorting.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, a tealeaves sorting device of quick letter sorting is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a tea sorting device, which comprises a rack, a plurality of weighing disks, a transmission device arranged on the rack and used for transmitting the weighing disks, a feeding device arranged on the rack and used for adding tea to the weighing disks which move to a first set position, a weighing device arranged on the rack and used for weighing the weighing disks containing the tea, and a control device arranged on the rack;

the control device is respectively connected with the conveying device, the weighing device and the feeding device, so that when the conveying device conveys the empty weighing disc to a first set position, the conveying device is controlled to stop conveying and the feeding device is controlled to feed; and when the weighing device weighs the weight of the weighing plate to reach the set weight, controlling the feeding device to stop feeding and controlling the conveying device to continue conveying.

preferably, the feeding device comprises a bracket arranged on the rack, a storage box arranged on the bracket, and at least one group of blanking assemblies arranged on one side of the storage box opposite to the conveying device;

each group of blanking assemblies comprises a blanking pipeline, a plugging piece which is rotatably arranged on the blanking pipeline to plug the blanking pipeline, a first driving mechanism for driving the plugging piece to plug the blanking pipeline, and a first transmission mechanism connected with the first driving mechanism and the plugging piece;

a discharge hole is formed in one end, opposite to the conveying device, of the blanking pipeline; the plugging piece is movably arranged at the discharge port;

The first driving mechanism is connected with the control device.

Preferably, the first drive mechanism comprises a first servo motor;

The first transmission mechanism comprises a transmission wheel connected with an output shaft of the first servo motor and a connecting rod which is arranged on the transmission wheel and driven by the transmission wheel to rotate; one end of the connecting rod is connected with the driving wheel, and the other end of the connecting rod is connected with the blocking piece.

preferably, a protective pad for preventing tea from being crushed is arranged on one surface of the blocking piece, which is opposite to the inner side of the blanking pipeline;

the shape of the blanking pipeline comprises a funnel shape.

preferably, the weighing device comprises at least one weight sensing unit which is telescopically arranged on the rack and is positioned below the feeding device, and a lifting mechanism which drives the weight sensing unit to lift;

The weight sensing unit is arranged below the transmission device to sense the weight of the weighing plate at the first set position;

The lifting mechanism is arranged below the transmission device, connected with the weight sensing unit and connected with the control device.

Preferably, the transmission device comprises a conveying assembly arranged on the rack, a second driving mechanism for driving the conveying assembly to convey, and a second transmission mechanism which is connected with the second driving mechanism and the conveying assembly and driven by the second driving mechanism to transmit;

The conveying assembly comprises a group of driving rollers arranged at two ends of the rack and a driving belt wound on the driving rollers, wherein one of the driving rollers is connected with the second transmission mechanism;

The second driving mechanism is connected with the control device.

Preferably, the second drive mechanism comprises a second servo motor;

The second transmission mechanism comprises a first transmission gear connected with the output shaft of the second servo motor, a second transmission gear arranged on the transmission roller and driven by the first transmission gear, and a transmission chain sleeved on the first transmission gear and the second transmission gear.

Preferably, the transmission belt is provided with a plurality of limiting holes for placing the weighing pan.

preferably, the weighing scale further comprises a first detection device arranged on the frame and connected with the control device to detect whether the weighing pan flows to a first set position.

preferably, the material of the weighing plate comprises a metal material, so that an external material taking device can take the weighing plate away when the weight of the weighing plate reaches a set weight;

The material taking device comprises an electromagnetic induction element which sucks the weighing plate in an electrified state.

implement the utility model discloses a tealeaves letter sorting device has following beneficial effect: the tea sorting device is characterized in that an empty weighing disc is placed in a limiting hole, the empty weighing disc is transmitted to a first set position through a conveyor belt of a transmission device, the transmission device stops transmitting after the empty weighing disc reaches the first set position, and a first servo motor of the feeding device drives a first transmission mechanism to transmit, so that a plugging piece is driven to rotate to feed; thereby realize sorting tealeaves fast, and then can reduce the human cost and improve packing efficiency.

drawings

The invention will be further explained with reference to the drawings and examples, wherein:

Fig. 1 is a schematic structural view of the tea leaf sorting device of the present invention;

Fig. 2 is a schematic structural view of the tea leaf sorting device according to another angle of the present invention;

Fig. 3 is an enlarged schematic view of a partial structure of the tea leaf sorting device of fig. 2;

Fig. 4 is a schematic structural view of the conveyor belt of the tea leaf sorting device of the present invention.

Detailed Description

in order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 to 4 show a preferred embodiment of the utility model discloses tealeaves sorting device, this tealeaves sorting device, it can be used for tealeaves packagine machine, and it can cooperate as uniting with other equipment to can form a complete and automatic tealeaves letter sorting equipment for packing, it can realize weighing accurately, letter sorting fast to tealeaves, can reduce the human cost and improve packing efficiency.

As shown in fig. 1 to 4, the tea sorting apparatus includes a frame 10, weighing pans 20, a conveying device 30, a material adding device 40, a weighing device 50, and a control device. The frame 10, which can be used for installing the components such as the conveying device 30, the feeding device 40, the weighing device 50, the control device, the first detection device 60, the second detection device, the third detection device, etc.; which may facilitate pipelining. The weighing pans 20 may be arranged side by side on the conveyor 30, which may be transported by the conveyor 30, which may be used for collecting tea leaves. The transfer device 30 is provided on the frame 10 and may be used to transfer the weighing pan 20 for pipelining. The feeding device 40 is disposed on the frame 10 and can feed tea leaves into the weighing pan 20 when the weighing pan 20 moves to a first setting position. The weighing device 50 is disposed on the frame 10, and can be used for weighing the weighing pan 20 with tea leaves, and the control device is disposed on the frame 10, and is respectively connected to the conveying device 30, the weighing device 50 and the feeding device 40, and can respectively control the conveying device 30, the weighing device 50 and the feeding device 40.

Further, the frame 10 includes at least two groups of support beams 11 arranged side by side, a group of cross beams 12 arranged on the support beams; in the present embodiment, the at least two groups of support beams 11 include three groups of support beams that are separated and arranged side by side; each group of the support beams 11 comprises two support beams 11 which are separately arranged side by side; the two support beams 11 can be connected through a connecting rod, and a foot pad can be arranged at the bottom of each support beam 11. Two support beams 11 in each group of support beams 11 are respectively connected with a group of cross beams 12; the set of cross beams 12 includes two cross beams that are separated and arranged side by side, and each cross beam 12 is connected with one of the support beams 11 in each set of support beams 11. The support beam 11 and the cross beam 12 can be made of metal. The frame 10 is also provided with a mounting plate connected with the connecting rod to divide the space below the beam 12 into a plurality of layers for mounting control.

The weighing pan 20 may be made of a metal material, further, may be made of a magnetic conductive metal material, and specifically, may be made of stainless steel, iron alloy, nickel, or the like. It may be cylindrical, although it will be appreciated that in other embodiments the weighing pan 20 is not limited to being cylindrical. The plurality of weighing pans 20 may comprise a plurality of weighing pans which may be arranged separately and side by side on the transfer device.

further, the transmission device 30 includes a transmission assembly 31, a second driving mechanism 32, a second transmission mechanism 33; the transfer assembly 31 is disposed on the frame 10, and may be used to transfer the weighing pan; the second driving mechanism 32 is disposed on the frame 10, and can be used for driving the conveying assembly 31 to convey; the second transmission mechanism 33 is connected to the second driving mechanism 32 and the conveying assembly 31, and can be driven by the second driving mechanism 32 for transmission, so as to drive the conveying assembly 31 to convey the weighing pan.

In this embodiment, the conveying assembly 31 includes a set of driving rollers 312 and a driving belt 311; the transmission belt 311 is disposed on the frame 10, specifically, it is disposed between two beams 12 which are separated and disposed side by side, and it can be wound on the transmission roller 312, and it can be driven by the rotation of the transmission roller 312 to rotate, in this embodiment, the transmission belt 311 can be a belt, and the transmission belt 311 is further provided with a plurality of limiting holes 3111; the plurality of limiting holes 3111 are arranged side by side along the length direction of the driving belt 311, and can be used for placing the weighing pan 20 to limit the weighing pan 20, so that the distance between two adjacent weighing pans 20 is kept within a set distance range. The set of driving rollers 312 are disposed at two ends of the frame 10, and specifically, the set of driving rollers 312 includes two driving rollers 312 that are separated and disposed side by side; one of the driving rollers 312 may be connected to the second transmission mechanism 33 and driven by the second transmission mechanism 33 to rotate. The two driving rollers 312 are disposed between the two beams 12 disposed side by side, and two ends of the driving rollers 312 are respectively connected to the two beams 12, so that the driving belt 311 can be wound around the driving belt 311 to drive the driving belt 311 to rotate.

In this embodiment, the second driving mechanism 32 is connected to the control device, and the second driving mechanism 32 includes a second servo motor; the second servo motor is arranged on the beam 12, and can be one or more. In this embodiment, the second driving mechanism 32 may include two second servo motors arranged side by side.

In the present embodiment, the second transmission mechanism 33 includes a first transmission gear 331, a second transmission gear 332, and a transmission chain; the number of the first transmission gears 331 is adapted to the number of the second servo motors, and the first transmission gears are arranged in one-to-one correspondence with the second servo motors, sleeved on the output shaft of the second servo motor, connected with the output shaft of the second servo motor, and driven by the second servo motor. The second transmission gear 332 is disposed on the transmission roller 312, specifically, disposed at one end of the transmission roller 312, sleeved on the rotation shaft of the transmission roller 312, and fixedly connected thereto, and can be driven by the first transmission gear 331 for transmission, and drives the transmission roller 312 to rotate through rotation. The transmission chain is sleeved on the first transmission gear 331 and the second transmission gear 332, and can be driven by the first transmission gear 331 to rotate, so as to drive the second transmission gear 332 to rotate.

further, the feeding device 40 includes a bracket 41, a storage box 42, and at least one set of blanking assemblies 43; the bracket 41 is disposed on the frame 10, and is used for mounting the storage box 42, the storage box 42 is disposed on the bracket 41 and is used for storing tea leaves, and the at least one set of feeding components 43 is disposed on the storage box 42, specifically, on a side of the storage box 42 opposite to the conveying device 30, and is communicated with the storage box 42 and is used for feeding to the weighing pan 20. The at least one set of blanking assemblies 43 may include one or more sets of blanking assemblies; in this embodiment, the at least one set of blanking assemblies includes three sets of blanking assemblies that are separated and arranged side by side.

In this embodiment, the support 41 includes a plurality of support columns, and a support frame disposed on the plurality of support columns. The plurality of support columns includes four support columns, which are respectively disposed on the cross beam 12 and are disposed along the vertical direction, and the support frame may be square or rectangular, but it is understood that in other embodiments, the support frame is not limited to square or rectangular. The support frame is provided with a mounting hole for mounting the storage box 42.

in this embodiment, the storage box 42 is disposed on the support frame and partially penetrates the mounting hole, and one end thereof has a size larger than that of the mounting hole. The storage box 42 may also be provided with operation buttons. The operation button can be connected to the blanking assembly 43 and the control device to control blanking of the blanking assembly by operating the button.

In the present embodiment, each set of blanking assemblies 43 includes a blanking duct 431, a blocking piece 432, a first driving mechanism 433, and a first transmission mechanism 434; the discharging pipe 431 is disposed at a side of the storage box 42 opposite to the conveyor belt 311, and may be integrally formed with the storage box 42, and may have a funnel shape, so as to facilitate discharging. Of course, it will be understood that in other embodiments, it is not limited to being funnel-shaped. One end of the discharging pipeline 431 far away from the storage box 42 is provided with a discharging port 4311, and the discharging port 4311 can be obliquely arranged so as to facilitate discharging. The blocking member 432 is rotatably disposed on the discharging pipe 431 to block the discharging pipe 431, and particularly, is disposed on the discharging hole 4311, and can be turned over to open or close the discharging pipe 431. The first driving mechanism 433 can be disposed on the frame 10, specifically, it can be disposed on the cross beam 12, it is connected to the control device, it can be a first servo motor, it can drive the blocking member 432 to block the blanking pipeline 431. The first transmission mechanism 434 is connected to the first driving mechanism 433 and the plugging member 432, and the first driving mechanism 433 can drive the transmission to further drive the plugging member to plug the discharge port 4311.

the blocking member 432 may be a cover plate covering the discharge hole 4311. The two sides of one end of the cover plate can be connected with the blanking pipeline 431 through the arrangement of a rotating shaft, so that the discharge hole 4311 can be opened or closed through rotation. This shutoff piece 432 and the inboard relative one side that sets up of this unloading pipeline 431 can set up the protection pad, and this protection electricity can set up the one side that sets up relatively at this apron and this unloading pipeline 431, and it can be the silica gel pad, and it can prevent to crush tealeaves when this shutoff piece 432 closes this discharge gate 4311.

The first transmission mechanism 434 includes a transmission wheel 4341 and a link 4342; the transmission wheel 4341 is sleeved on the output shaft of the first servo motor, is connected with the output shaft of the first servo motor, and can be driven by the first servo motor to rotate; the connecting rod 4342 is disposed on the driving wheel 4341, and one end of the connecting rod 4342 is connected to the driving wheel 4341, and the other end of the connecting rod 432 is connected to the blocking member 432, and the connecting rod 432 can be driven by the driving wheel 4341 to rotate, so as to drive the blocking member 432 to open or close the discharge port 4311.

further, the weighing device 50 includes at least one weight sensing unit 51, and a lifting mechanism 52; the at least one weight sensing unit 51 is telescopically disposed on the frame 10 and below the feeding device 40, and below the transmission device 30, and is adapted to the number of the at least one set of blanking assemblies 43, and is disposed in one-to-one correspondence with the at least one set of blanking assemblies 43, and is capable of sensing the weight of the weighing pan 20 located at the first setting position, i.e., capable of weighing the weight of the weighing pan located below the discharge port 4311 of the blanking pipeline 431. In the present embodiment, the weight sensing unit 51 may be a pressure sensor or a weight sensor. Of course, it will be appreciated that in other embodiments, it is not limited to pressure sensors or weight sensors. The lifting mechanism 52 is disposed below the transmission device 30, can be connected to the weight sensing unit 51, and can be connected to the control device, and can be controlled by the control device to drive the weight sensing unit 51 to lift. In this embodiment, the lifting mechanism 52 can be a lifting motor or a lifting cylinder, but it should be understood that, in other embodiments, the lifting mechanism 52 is not limited to the lifting motor or the lifting cylinder in this embodiment, the weighing device 50 further includes a mounting plate, the at least one weight sensing unit 51 can be disposed on the mounting plate side by side, and the lifting mechanism 52 can be disposed on the side of the mounting plate opposite to the side on which the weight sensing unit 51 is disposed, so as to drive all the weight sensing units 51 to lift and lower together.

In this embodiment, the control device may include a controller electrically connected to the transporting device 30, the weighing device 50, and the feeding device 40, respectively, and the controller may be connected to the second driving mechanism 32 in the transporting device 30, the lifting mechanism 52 in the weighing device 50, and the first driving mechanism 433 in the feeding device 40, and may control the transporting device 30 to stop transporting and control the feeding device 40 to feed when the transporting device 30 transports the empty weighing pan 20 to the first setting position; when the weighing device 50 weighs the weight of the weighing pan 20 to reach the set weight, the feeding device 40 is controlled to stop feeding and the conveying device 30 is controlled to continue conveying.

in this embodiment, the tea leaf sorting apparatus further includes a first detecting device 60; the first detecting device 60 is disposed on the frame 10, connected to the control device, and configured to detect whether the weighing pan 20 flows to the first set position, in this embodiment, the first set position is a position where the empty weighing pan 20 is disposed opposite to the discharge port 4311 of the discharging pipe 431. In the present embodiment, the first detecting device 60 may be a metal proximity switch disposed on the beam 12, but it is understood that in other embodiments, the first detecting device 60 may not be limited to a metal proximity switch, and may be an infrared sensor or other sensor.

in this embodiment, the tea sorting apparatus further includes a second detecting device; this second detection device, it can set up on this frame 10, and it can be connected with this controlling means, and it can be used for detecting whether the weighing pan that is equipped with tealeaves flows to the second and sets for the position, and this second sets for the position, indicates the qualified position that supplies extracting device to get the material. In the present embodiment, the second detection device may be a metal proximity switch disposed on the beam 12, but it is understood that in other embodiments, the second detection device may not be limited to a metal proximity switch, and may be an infrared sensor or other sensor. In other embodiments, the second detection device may be omitted.

in this embodiment, the tea sorting apparatus further includes a third detecting device; the third detecting device, which may be disposed on the frame 10, may be located at the second setting position, and is connected to the control device, and may be configured to detect whether the weight of the weighing pan 20, on which the tea leaves are loaded, located at the second setting position reaches a set weight. The third detecting device, which may be a weight sensor or a pressure sensor, may be located below the transmitting device 30, but it is understood that in other embodiments, the third detecting device may not be limited to the weight sensor or the pressure sensor, and in other embodiments, the third detecting device may be omitted.

In this embodiment, the weighing pan 20 can be used for taking an external material taking device away from the conveying device 30, and the material taking device can be independently disposed from the frame 10, connected to the control device, and disposed opposite to the second setting position, so that when the second detecting device detects that the weighing pan 20 containing tea leaves flows to the second setting position, and the third detecting device detects that the weight of the weighing pan 20 reaches the setting weight, the weighing pan located at the second setting position can be taken away. In this embodiment, the material taking device, which may be an electromagnetic induction element, may generate a magnetic field in a powered state to suck the weighing pan 20 away. Of course, it is understood that in other embodiments, the material extracting apparatus may not be limited to electromagnetic induction elements.

In this embodiment, one end of the conveying device 30 may further include a recycling device, the recycling device may recycle the weight tray whose weight is not within the set weight range, the recycling device may be disposed at the end of the conveying device 30, and when the third detecting device detects that the weight of the weighing tray located at the second set position is not within the set weight range, the control device may control the conveying device 30 to continue conveying the weighing tray to the end of the conveyor 311, so that the weighing tray automatically falls into the recycling device. The recycling device, which may be a recycling bin, is of course understood to be omitted in other embodiments.

The tea sorting apparatus is operated such that the weighing pan 20 can be placed on the conveyor 311 by an external device; the control device controls the second servo motor to rotate, drives the conveyor belt to rotate, and conveys the weighing pan 20 towards the feeding device 40.

When the first detecting device detects that the weighing pan 20 reaches the first set position, i.e. is located below the discharging pipe 431, the control device controls the second servo motor to stop, and the conveyor belt 311 stops conveying. The control device controls the lifting mechanism 52 to drive the weight sensing unit 51 to lift up from the lower portion of the frame 10 toward the conveying belt 311, the weighing plate 20 is lifted up through the limiting hole 3111, so that the weighing plate is not in contact with the conveying belt 311, then, the control device controls the first servo motor to start high-frequency opening and closing action, tea leaves in the storage box 42 are controlled to fall into the weighing plate 20, the weight sensing unit 51 weighs the weighing plate 20 containing the tea leaves, the weight of the tea leaves which may fall is predicted, and the blanking amount of the blanking pipeline 431 is adjusted by controlling the action of the first servo motor. When the weight of the tea leaves in the weighing plate 20 plus the predicted weight of the tea leaves falling subsequently is detected to be close to the set weight of the single-packet tea leaves, the first servo motor is controlled to be started, and the blocking piece 432 is used for blocking the discharge hole 4311.

The control device controls the lifting mechanism 52 to drive the weight sensing unit 52 to descend. After the lifting mechanism descends to a set height, the control device controls the second servo motor to be started, and the conveyor belt 311 continues to be driven to operate and continuously flow downwards.

When the second detecting device detects that the weighing pan 20 containing tea leaves flows to a second set position, namely a qualified position, the third detecting device detects the weight of the weighing pan 20, and if the weight of the weighing pan 20 is the set weight at present, namely the weight of the tea leaves is correct, the weighing pan 20 is taken away by the external material taking device. When the weight of the weighing pan 20 is not within the set weight range, that is, the weight of the tea leaves in the weighing pan 20 is not correct, the control device controls the second servo motor to start up, so as to transfer the weighing pan 20 to the end of the conveyor belt 311, and make the tea leaves automatically fall into an external recycling device.

it is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (8)

1. A tea leaf sorting device is characterized by comprising a rack (10), a plurality of weighing disks (20), a transmission device (30) arranged on the rack (10) and used for transmitting the weighing disks (20), a feeding device (40) arranged on the rack (10) and used for adding tea leaves to the weighing disks (20) moving to a first set position, a weighing device (50) arranged on the rack (10) and used for weighing the weighing disks (20) filled with the tea leaves, and a control device arranged on the rack (10) and respectively connected with the transmission device (30), the weighing device (50) and the feeding device (40);

The frame (10) comprises at least two groups of support beams (11) arranged side by side and a group of cross beams (12) arranged on the support beams; each group of the support beams (11) comprises two support beams (11) which are separately arranged side by side; two supporting beams (11) in each group of supporting beams (11) are respectively connected with one group of cross beams (12); the group of cross beams (12) comprises two cross beams (12) which are separated and arranged side by side;

The feeding device (40) comprises a bracket (41) arranged on the rack (10), a storage box (42) arranged on the bracket (41), and at least one group of blanking assemblies (43) arranged on one side of the storage box (42) opposite to the conveying device (30);

each group of the blanking assemblies (43) comprises a blanking pipeline (431), a blocking piece (432) which is rotatably arranged on the blanking pipeline (431) to block the blanking pipeline (431), a first driving mechanism (433) which drives the blocking piece (432) to block the blanking pipeline (431), and a first transmission mechanism (434) which is connected with the first driving mechanism (433) and the blocking piece (432); the first driving mechanism (433) is connected with the control device;

The first driving mechanism (433) comprises a first servo motor;

the transmission device (30) comprises a conveying assembly (31) arranged on the rack (10), a second driving mechanism (32) for driving the conveying assembly (31) to convey, and a second transmission mechanism (33) which is connected with the second driving mechanism (32) and the conveying assembly (31) and driven by the second driving mechanism (32) to transmit; the second driving mechanism (32) is connected with the control device;

The second drive mechanism (32) comprises a second servomotor;

The conveying assembly (31) comprises a group of driving rollers (312) arranged at two ends of the rack (10) and a driving belt (311) wound on the driving rollers (312), wherein one driving roller (312) is connected with the second transmission mechanism (33); a plurality of limiting holes (3111) for placing the weighing plate (20) are formed between the two beams (12) which are separated from each other and arranged side by side in the driving belt (311);

The weighing device (50) comprises at least one weight sensing unit (51) which is telescopically arranged on the rack (10) and is positioned below the feeding device (40), and a lifting mechanism (52) which drives the weight sensing unit (51) to lift;

the lifting mechanism (52) is arranged below the transmission device (30), is connected with the weight sensing unit (51) and is connected with the control device;

The lifting mechanism (52) comprises a lifting motor.

2. the tea sorting device according to claim 1, wherein an end of the blanking pipe (431) opposite to the conveying device (30) is provided with a discharge hole (4311); the blocking piece (432) is movably arranged at the discharge hole (4311).

3. the tea leaf sorting apparatus according to claim 1, wherein the first transmission mechanism (434) comprises a transmission wheel (4341) connected to the output shaft of the first servo motor, and a link (4342) provided on the transmission wheel (4341) and rotated by the transmission wheel (4341); one end of the connecting rod (4342) is connected with the driving wheel (4341), and the other end of the connecting rod is connected with the plugging piece (432).

4. The tea leaf sorting device according to claim 1, wherein a side of the blocking piece (432) disposed opposite to an inner side of the discharging pipe (431) is provided with a protective pad for preventing crushing of tea leaves;

The shape of the blanking duct (431) comprises a funnel shape.

5. A tea leaf sorting apparatus according to claim 1, wherein the weight sensing unit (51) is arranged below the conveyor (30) to sense the weight of the weighing pan (20) in the first set position.

6. the tea leaf sorting device according to claim 1, wherein the second transmission mechanism (33) comprises a first transmission gear (331) connected with the output shaft of the second servo motor, a second transmission gear (332) arranged on the transmission roller (312) and driven by the first transmission gear (331), and a transmission chain sleeved on the first transmission gear (331) and the second transmission gear (332).

7. A tea leaf sorting apparatus according to claim 1, further comprising first detection means (60) provided on the housing (10) and connected to the control means to detect whether the weighing pan (20) is flowing to a first set position.

8. The tea leaf sorting device according to claim 1, wherein the weighing pan (20) is made of a metal material, so that an external material taking device can take away the weighing pan (20) when the weight of the weighing pan (20) reaches a set weight;

The material taking device comprises an electromagnetic induction element which sucks the weighing plate (20) in an electrified state.