CN112427334A

CN112427334A - Sorting device is surveyed to can heavy metal

Info

Publication number: CN112427334A
Application number: CN202011270450.4A
Authority: CN
Inventors: 王云奎
Original assignee: Shaoxing Shangyu District Guxi Electronic Technology Co ltd
Current assignee: Shaoxing Shangyu District Guxi Electronic Technology Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-03-02

Abstract

The invention discloses a can heavy metal detecting and sorting device which comprises a machine case, wherein a working cavity is arranged in the machine case, a left pulley shaft is connected in the front wall of the working cavity in a rotating way, a left pulley which is symmetrical in front and back is fixedly arranged on the left pulley shaft, a right pulley shaft positioned at the right side of the left pulley shaft is connected in the front wall of the working cavity in a rotating way, a right pulley which is symmetrical in front and back is fixedly arranged on the right pulley shaft, a first conveying belt is connected between the left belt wheel and the right belt wheel, an intermediate belt is connected between the first conveying belts on the front side and the rear side, compared with the traditional food sorting device, the invention can sort cans by a metal detector, remove unqualified cans and collect qualified cans, and once a box is filled, the shell is transported away through mechanical transmission and drives the next empty collecting box to move to the corresponding position.

Description

Sorting device is surveyed to can heavy metal

Technical Field

The invention relates to the field of detectors, in particular to a heavy metal detecting and sorting device for cans.

Background

With the development of the times, a metal detector as a device for detecting the content of metal in a substance has been widely used in various fields, such as military field, food safety field, archaeological field, and the like.

At present, although a detector is applied to detection of heavy metal content in food, a certain developable space still exists, and the invention aims to design a sorting device for detecting whether heavy metal of cans exceeds the standard and orderly collecting qualified cans.

Disclosure of Invention

The technical problem is as follows: the invention aims to design a sorting device for detecting whether heavy metal of cans exceeds the standard and regularly collecting qualified cans.

In order to solve the problems, the present example designs a can heavy metal detection sorting device, which comprises a machine case, a working chamber is arranged in the machine case, a left pulley shaft is rotationally connected to the front wall of the working chamber, a left pulley wheel which is symmetrical front and back is fixedly arranged on the left pulley shaft, a right pulley shaft which is positioned at the right side of the left pulley shaft is rotationally connected to the front wall of the working chamber, a right pulley wheel which is symmetrical front and back is fixedly arranged on the right pulley shaft, a first transmission belt is connected between the left pulley wheel and the right pulley wheel, an intermediate belt is connected between the first transmission belts at the front side and the rear side, a clamping device is fixedly arranged on the intermediate belt, a driving chamber which is positioned at the rear side of the working chamber is arranged in the machine case, a main motor is fixedly arranged in the rear wall of the driving chamber, the left pulley shaft extends into the driving chamber and is fixedly connected to an output shaft, the main motor can drive the left pulley shaft to rotate so as to drive the left pulley shaft to rotate, the left pulley shaft can drive the right pulley shaft to rotate through the rotation of the left pulley shaft driven by the first conveyor belt, the left side of the working cavity is connected with an entering cavity communicated with the outside, a can move to the clamping device through the entering cavity, the upper side of the entering cavity is connected with a clamping cavity, the left wall of the clamping cavity is connected with a left moving plate capable of extending into the entering cavity in a sliding manner, the right wall of the clamping cavity is connected with a right moving plate capable of extending into the entering cavity in a sliding manner, the front wall of the clamping cavity is connected with a lower rotating shaft in a rotating manner, an intermediate gear meshed and connected with the left moving plate and the right moving plate is fixedly arranged on the lower rotating shaft, and an entering device capable of driving the left moving plate and the right moving plate to move up and down so, the utility model discloses a can, including working chamber, work chamber front wall, sorting axle, the intracavity has set firmly the inspection door, set firmly in the inspection door and be used for detecting the metal detector that can heavy metal content exceeds standard, the working chamber antetheca internal rotation is connected with the letter sorting axle, the epaxial letter sorting track that has set firmly of letter sorting, just the working chamber downside is connected with and accesss to the external chamber of detaching, the working chamber downside is connected with and is located detach the collection chamber on chamber right side, quick-witted incasement is equipped with can remove unqualified can to detaching the intracavity, removes the collection device.

Wherein the entry device comprises a circulating cavity which is connected with the rear side of the clamping cavity and connected with the upper side of the driving cavity, the lower rotating shaft extends into the circulating cavity and is rotationally connected with the back wall of the circulating cavity, a lower gear is fixedly arranged on the lower rotating shaft, an upper rotating shaft positioned on the upper side of the lower rotating shaft is connected in the rear wall of the circulating cavity in a rotating manner, an upper gear meshed with the lower gear is fixedly arranged on the front side of the upper rotating shaft, a rotating shaft is connected in the rear wall of the circulating cavity in a rotating manner, a first belt wheel is fixedly arranged on the rotating shaft, a second belt wheel is fixedly arranged on the left belt wheel shaft, a first belt is connected between the first belt wheel and the second belt wheel, a rear incomplete gear which is positioned at the front side of the first belt wheel and can be meshed with the upper gear is fixedly arranged on the rotating shaft, and a front incomplete gear which is positioned at the front side of the rear incomplete gear and can be meshed with the lower gear is fixedly arranged on the rotating shaft.

Wherein, collection device is including being located the card chamber in the letter sorting axle left side, quick-witted incasement is equipped with and is located the left cylinder of letter sorting axle, the cylinder right side is connected with and stretches into the cardboard of card intracavity, the cardboard stretches into card intracavity internal energy is fixed the letter sorting axle is fixed promptly the letter sorting track.

Wherein a belt cavity is arranged in the machine case and is positioned at the rear side of the working cavity, the right pulley shaft extends into the belt cavity and is rotatably connected in the rear wall of the belt cavity, a third pulley is fixedly arranged on the right pulley shaft, a pulley shaft positioned at the lower side of the right pulley shaft is rotatably connected in the rear wall of the belt cavity, a fourth pulley is fixedly arranged on the pulley shaft, a second belt is connected between the third pulley and the fourth pulley, a first bevel gear positioned at the front side of the fourth pulley is fixedly arranged on the pulley shaft, a first spline shaft is rotatably connected in the right wall of the belt cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged at the left side of the first spline shaft, a meshing shaft is rotatably connected in the right wall of the collecting cavity, eudipleural conveying wheels are fixedly arranged on the meshing shaft, and a second conveying belt is connected on the conveying wheels, a collecting box used for collecting cans is placed on the upper side of the second conveying belt, an engaging cavity located on the right side of the belt cavity is arranged in the machine case, an inner ring plate is connected to the left wall of the engaging cavity in a rotating mode, the engaging shaft extends into the engaging cavity, an engaging gear located in the inner ring plate is fixedly arranged on the left side of the engaging shaft, an arc-shaped rack plate capable of being engaged with the engaging gear is fixedly arranged on the inner wall of the inner ring plate, a second spline shaft is fixedly arranged on the left side of the inner ring plate, a moving shaft capable of moving left and right is in splined connection with the first spline shaft and the second spline shaft, the moving shaft is fixedly connected with a clamping plate, and when the clamping plate moves left, the moving shaft can be driven to move left, so that the second spline shaft is not connected.

Advantageously, a jacking cavity is arranged in the clamping device, a jacking plate is connected in the jacking cavity in a sliding mode, and a jacking spring connected between the bottom wall of the jacking cavity and the lower side of the jacking plate is arranged in the jacking cavity.

The invention has the beneficial effects that: compared with the traditional food sorting device, the food sorting device has the advantages that firstly, cans can be sorted through the metal detector, unqualified cans are removed, qualified cans are collected, and when one can is filled, namely the can is conveyed away through mechanical transmission and drives the next vacant collection box to move to the corresponding position.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

Fig. 1 is a schematic view of the overall structure of a heavy metal detecting and sorting device for cans according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the can clamping device in FIG. 2;

FIG. 4 is a schematic view of the structure in the direction "B-B" in FIG. 1;

FIG. 5 is a schematic view of the structure in the direction "C-C" in FIG. 1;

FIG. 6 is a schematic diagram of the structure of the "D-D" direction in the bitmap 4.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 6, for the sake of convenience of description, the following orientations are now defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a heavy metal detecting and sorting device for cans, which is further explained by combining the attached drawings of the invention:

the invention relates to a can heavy metal detecting and sorting device which comprises a machine case 11, wherein a working chamber 12 is arranged in the machine case 11, a left pulley shaft 24 is rotationally connected to the front wall of the working chamber 12, a left pulley 25 which is symmetrical in the front-back direction is fixedly arranged on the left pulley shaft 24, a right pulley shaft 35 which is positioned at the right side of the left pulley shaft 24 is rotationally connected to the front wall of the working chamber 12, a right pulley 34 which is symmetrical in the front-back direction is fixedly arranged on the right pulley shaft 35, a first conveying belt 30 is connected between the left pulley 25 and the right pulley 34, an intermediate belt 31 is connected between the first conveying belts 30 at the front side and the rear side, a clamping device 33 is fixedly arranged on the intermediate belt 31, a driving chamber 26 which is positioned at the rear side of the working chamber 12 is arranged in the machine case 11, a main motor 27 is fixedly arranged in the rear wall of the driving chamber 26, the left pulley shaft 24 extends into the driving chamber, thereby main motor 27 can drive left band pulley axle 24 rotates and drives left band pulley 25 rotates, left band pulley 25 rotates and can pass through first conveyer belt 30 drives right band pulley 34 rotates and drives right band pulley axle 35 rotates, working chamber 12 left side is connected with intercommunication and external entering chamber 13, can pass through entering chamber 13 removes to on the binding clasp 33, it is connected with screens chamber 14 to get into chamber 13 upside, sliding connection has the ability to stretch into in 14 left side wall of screens chamber left side movable plate 16 in getting into chamber 13, sliding connection has the ability to stretch into in 14 right side wall of screens chamber right side movable plate 15 in getting into chamber 13, the rotation is connected with down pivot 45 in 14 antetheca of screens chamber, set firmly on the pivot 45 down the movable plate mesh connect in left side 16 with the intermediate gear 36 of right side movable plate 15, be equipped with in the machine case 11 and drive left side movable plate 16 with the right side movable plate 15 reciprocates thereby control can advance and advance The device comprises an entering device 101 for entering the speed, wherein an inspection door 17 is fixedly arranged in a working cavity 12, a metal detector 18 for detecting whether the content of heavy metal in cans exceeds the standard is fixedly arranged in the inspection door 17, a sorting shaft 47 is rotatably connected to the front wall of the working cavity 12, a sorting track 46 is fixedly arranged on the sorting shaft 47, a removing cavity 60 communicated with the outside is connected to the lower side of the working cavity 12, a collecting cavity 83 located on the right side of the removing cavity 60 is connected to the lower side of the working cavity 12, and a collecting device 102 capable of moving unqualified cans into the removing cavity 60 and moving qualified cans into the collecting cavity 83 to be collected in order is arranged in a case 11.

According to the embodiment, the following detailed description will be made on the entry device 101, where the entry device 101 includes a circulation chamber 44 connected to the rear side of the clamping chamber 14 and connected to the upper side of the driving chamber 26, the lower rotating shaft 45 extends into the circulation chamber 44 and is rotatably connected to the rear wall of the circulation chamber 44, a lower gear 39 is fixedly disposed on the lower rotating shaft 45, an upper rotating shaft 37 located on the upper side of the lower rotating shaft 45 is rotatably connected to the rear wall of the circulation chamber 44, an upper gear 38 engaged with the lower gear 39 is fixedly disposed on the front side of the upper rotating shaft 37, a rotating shaft 41 is rotatably connected to the rear wall of the circulation chamber 44, a first pulley 40 is fixedly disposed on the rotating shaft 41, a second pulley 28 is fixedly disposed on the left pulley shaft 24, a first belt 29 is connected between the first pulley 40 and the second pulley 28, a rear incomplete gear 43 located on the front side of the first pulley 40 and capable of engaging with the upper gear 38 is fixedly disposed on the rotating shaft 41, and a front incomplete gear 42 which is positioned at the front side of the rear incomplete gear 43 and can be meshed and connected with the lower gear 39 is fixedly arranged on the rotating shaft 41, when the left pulley shaft 24 rotates, the second pulley 28 can be driven to rotate, the second pulley 28 rotates, the first pulley 40 is driven to rotate through the first belt 29, the rotating shaft 41 is driven to rotate, the rotating shaft 41 rotates, the upper gear 38 is driven to rotate through the meshing of the rear incomplete gear 43 and the upper gear 38, the upper gear 38 rotates, the lower gear 39 rotates through the meshing, the lower rotating shaft 45 rotates, the left moving plate 16 is driven to move upwards through the meshing of the intermediate gear 36, the left moving plate 16 and the right moving plate 15, the right moving plate 15 moves downwards, the cans move to the left moving plate of the right moving plate 15, when the rotating shaft 41 rotates until the rear incomplete gear 43 is not meshed and connected with the upper gear 38 again, the front incomplete gear 42 is meshed and connected with the lower gear 39, and the rotation of the rotating shaft 41 drives the lower gear 39 to rotate reversely through the meshing of the incomplete front gear 42 and the lower gear 39, so as to drive the lower rotating shaft 45 to rotate reversely, the lower rotating shaft 45 rotates reversely through the meshing of the middle gear 36, the left moving plate 16 and the right moving plate 15, so as to drive the left moving plate 16 to move downwards, the right moving plate 15 moves upwards, the cans on the right side of the left moving plate 16 can move into the working cavity 12, and the cans on the left side of the left moving plate 16 are blocked.

According to an embodiment, the collecting device 102 is described in detail below, the collecting device 102 includes a card cavity 82 located in the left side of the sorting shaft 47, the chassis 11 is provided with a cylinder 79 located in the left side of the sorting shaft 47, the right side of the cylinder 79 is connected with a card board 81 capable of extending into the card cavity 82, the card board 81 extending into the card cavity 82 can fix the sorting shaft 47, i.e. fix the sorting track 46, when the metal detector 18 detects a defective can, the cylinder 79 is started to drive the card board 81 to move to the left to leave the card cavity 82, the sorting shaft 47 is not blocked, the can falling onto the sorting track 46 drives the sorting track 46 to rotate counterclockwise around the sorting shaft 47 by its own weight, and finally moves along the sorting track 46 to the removing cavity 60, and then, since the right side of the sorting track 46 is heavier than the left side, the sorting track 46 can be restored to the original position around the sorting shaft 47, the cylinder 79 operates to drive the clamping plate 81 into the clamping cavity 82 to clamp the sorting shaft 47 again.

According to the embodiment, a belt chamber 61 is disposed in the machine case 11 and located at the rear side of the working chamber 12, the right pulley shaft 35 extends into the belt chamber 61 and is rotatably connected to the rear wall of the belt chamber 61, a third pulley 78 is fixedly disposed on the right pulley shaft 35, a pulley shaft 64 located at the lower side of the right pulley shaft 35 is rotatably connected to the rear wall of the belt chamber 61, a fourth pulley 63 is fixedly disposed on the pulley shaft 64, a second belt 62 is connected between the third pulley 78 and the fourth pulley 63, a first bevel gear 65 located at the front side of the fourth pulley 63 is fixedly disposed on the pulley shaft 64, a first spline shaft 67 is rotatably connected to the right wall of the belt chamber 61, a second bevel gear 66 engaged with the first bevel gear 65 is fixedly disposed at the left side of the first spline shaft 67, an engaging shaft 74 is rotatably connected to the right wall of the collecting chamber 83, and a left-right symmetrical transmission pulley 76 is fixedly disposed on the engaging shaft 74, a second conveyor belt 75 is connected to the conveyor wheel 76, a collection box 77 for collecting cans is placed on the upper side of the second conveyor belt 75, an engaging cavity 72 located on the right side of the belt cavity 61 is arranged in the chassis 11, an inner ring plate 70 is rotatably connected to the left wall of the engaging cavity 72, the engaging shaft 74 extends into the engaging cavity 72, an engaging gear 73 located in the inner ring plate 70 is fixedly arranged on the left side of the engaging shaft 74, an arc-shaped rack plate 71 capable of engaging with the engaging gear 73 is fixedly arranged on the inner wall of the inner ring plate 70, a second spline shaft 69 is fixedly arranged on the left side of the inner ring plate 70, a moving shaft 68 capable of moving left and right is splined to the first spline shaft 67 and the second spline shaft 69, the moving shaft 68 is fixedly connected to the clamping plate 81, when the clamping plate 81 moves left, the moving shaft 68 can be driven to move left, so that the second spline shaft 69 is not splined to be splined to the moving shaft 68, when the normal operation is performed, the right pulley shaft 35 rotates to drive the third pulley 78 to rotate, the third pulley 78 rotates to drive the fourth pulley 63 to rotate through the second belt 62, i.e. to drive the pulley shaft 64 to rotate, the pulley shaft 64 rotates to drive the first spline shaft 67 to rotate through the engagement of the first bevel gear 65 and the second bevel gear 66, the first spline shaft 67 rotates to drive the moving shaft 68 to rotate through the spline connection, the moving shaft 68 rotates to drive the second spline shaft 69 to rotate through the spline connection, i.e. to drive the inner ring plate 70 to rotate, when the inner ring plate 70 rotates until the arc-shaped rack plate 71 engages with the engaging gear 73, the engaging gear 73 rotates to drive the transmission wheel 76 to rotate through the engaging shaft 74 to drive the second transmission belt 75, the collection box 77 moves to move the next empty collection box 77 to the lower side of the sorting track 46, the inner ring plate 70 rotates to just make one rotation to fill the collection box 77, when the catch plate 81 moves to the left, the moving shaft 68 is driven to move to the left, so that the moving shaft 68 is not splined to the second splined shaft 69 any more, and the moving shaft 68 cannot be reset until the catch plate 81 moves to the right.

Advantageously, a pressing cavity 56 is arranged in the clamper 33, the pressing plate 32 is slidably connected in the pressing cavity 56, a pressing spring 55 is arranged in the pressing cavity 56 and connected between the bottom wall in the pressing cavity 56 and the lower side of the pressing plate 32, when the can is moved onto the pressing plate 32, the pressing plate 32 is pressed to move downwards, the pressing spring 55 is pressed to contract, and the pressing plate 32 moves downwards to enhance the clamping of the can.

The following describes in detail the use steps of the canned heavy metal detection and sorting apparatus with reference to fig. 1 to 6: in the initial state, the left moving plate 16 is at the lower limit position, the right moving plate 15 is at the upper limit position, and the catch plate 81 is at the right limit position.

When the device normally operates, the main motor 27 rotates to drive the left pulley shaft 24 to rotate so as to drive the first conveyor belt 30 to transmit, the left pulley shaft 24 rotates to drive the second pulley 28 to rotate, the second pulley 28 rotates to drive the first pulley 40 to rotate through the first belt 29, namely, the rotating shaft 41 rotates to drive the upper gear 38 to rotate through the meshing of the rear incomplete gear 43 and the upper gear 38, the upper gear 38 rotates to drive the lower gear 39 to rotate through meshing, namely, the lower rotating shaft 45 rotates, the lower rotating shaft 45 drives the left moving plate 16 to move upwards through the meshing of the intermediate gear 36, the left moving plate 16 and the right moving plate 15, the right moving plate 15 moves downwards, cans move to the left side of the right moving plate 15, when the rotating shaft 41 rotates until the rear incomplete gear 43 is not meshed with the upper gear 38 again, the front incomplete gear 42 is meshed with the lower gear 39, and the rotation of the rotating shaft 41 drives the lower gear 39 to rotate reversely through the meshing of the incomplete front gear 42 and the lower gear 39, so as to drive the lower rotating shaft 45 to rotate reversely, the lower rotating shaft 45 rotates reversely through the meshing of the middle gear 36, the left moving plate 16 and the right moving plate 15, so as to drive the left moving plate 16 to move downwards, the right moving plate 15 moves upwards, the cans on the right side of the left moving plate 16 can move into the working cavity 12, and the cans on the left side of the left moving plate 16 are blocked.

When the can is moved into the clamper 33, the first belt conveyer 30 drives the can to move to the right, and at this time, the left pulley shaft 24 rotates to drive the right pulley shaft 35 to rotate through the first belt conveyer 30, the right pulley shaft 35 rotates to drive the third pulley 78 to rotate, the third pulley 78 rotates to drive the fourth pulley 63 to rotate through the second belt 62, i.e. to drive the pulley shaft 64 to rotate, the pulley shaft 64 rotates to drive the first spline shaft 67 to rotate through the engagement of the first bevel gear 65 and the second bevel gear 66, the first spline shaft 67 rotates to drive the movable shaft 68 to rotate through the spline, the movable shaft 68 rotates to drive the second spline shaft 69 to rotate through the spline, i.e. to drive the inner ring plate 70 to rotate, the inner ring plate 70 rotates to just fill the collection box 77 with the can, when the inner ring plate 70 rotates until the arc-shaped rack plate 71 engages with the engaging gear 73, the engaging gear 73 rotates to drive the engaging gear 73 to drive the transmission wheel 76 to drive the second, the full can collection bin 77 can be moved so that the next empty collection bin 77 is moved to the underside of the sorting track 46.

When the metal detector 18 detects a defective can, the air cylinder 79 is started to drive the chuck plate 81 to move leftward to leave the chuck cavity 82, the sorting shaft 47 is not clamped any more, at this time, the can dropped onto the sorting rail 46 drives the sorting rail 46 to rotate counterclockwise around the sorting shaft 47 by self gravity, and finally moves along the sorting rail 46 to the removing cavity 60, meanwhile, the chuck plate 81 moves leftward to drive the moving shaft 68 to move leftward, so that the moving shaft 68 is not splined with the second splined shaft 69, that is, the inner ring plate 70 cannot rotate, then, because the weight of the right side of the sorting rail 46 is heavier than that of the left side, the sorting rail 46 can be restored to the original position around the sorting shaft 47, the air cylinder 79 operates to drive the chuck plate 81 to extend into the chuck cavity 82 to clamp the sorting shaft 47 again, and the moving shaft 68 can be reset only when the.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a sorting device is surveyed to can heavy metal, includes quick-witted case, its characterized in that: a working chamber is arranged in the machine case, a left pulley shaft is rotationally connected to the front wall of the working chamber, a left pulley wheel which is symmetrical front and back is fixedly arranged on the left pulley shaft, a right pulley wheel which is positioned on the right side of the left pulley shaft is rotationally connected to the front wall of the working chamber, a right pulley wheel which is symmetrical front and back is fixedly arranged on the right pulley shaft, a first transmission belt is connected between the left pulley wheel and the right pulley wheel, an intermediate belt is connected between the first transmission belts on the front side and the rear side, a clamping device is fixedly arranged on the intermediate belt, a driving chamber which is positioned on the rear side of the working chamber is arranged in the machine case, a main motor is fixedly arranged in the rear wall of the driving chamber, the left pulley shaft extends into the driving chamber and is fixedly connected to an output shaft on the front side of the main motor, the main motor can drive the left pulley shaft to rotate so as to drive the left pulley wheel to rotate, the left pulley wheel can, the device is characterized in that an entering cavity communicated with the outside is connected to the left side of the working cavity, cans can be moved to the clamping device through the entering cavity, a clamping cavity is connected to the upper side of the entering cavity, a left moving plate capable of extending into the entering cavity is slidably connected to the left wall of the clamping cavity, a right moving plate capable of extending into the entering cavity is slidably connected to the right wall of the clamping cavity, a lower rotating shaft is rotatably connected to the front wall of the clamping cavity, a middle gear meshed with the left moving plate and the right moving plate is fixedly arranged on the lower rotating shaft, an entering device capable of driving the left moving plate and the right moving plate to move up and down so as to control the entering speed of the cans is arranged in the machine case, an inspection door is fixedly arranged in the working cavity, a metal detector used for detecting whether the heavy metal content of the cans exceeds the standard is fixedly arranged in the inspection, the sorting machine is characterized in that a sorting track is fixedly arranged on the sorting shaft, a removing cavity leading to the outside is connected to the lower side of the working cavity, a collecting cavity located on the right side of the removing cavity is connected to the lower side of the working cavity, and a collecting device capable of moving unqualified cans into the removing cavity and moving qualified cans into the collecting cavity for orderly collecting is arranged in the machine case.

2. The can heavy metal detecting and sorting device of claim 1, wherein: the entry device comprises a circulating cavity which is connected with the rear side of the clamping cavity and connected with the upper side of the driving cavity, the lower rotating shaft extends into the circulating cavity and is rotationally connected with the back wall of the circulating cavity, a lower gear is fixedly arranged on the lower rotating shaft, an upper rotating shaft positioned on the upper side of the lower rotating shaft is connected in the rear wall of the circulating cavity in a rotating manner, an upper gear meshed with the lower gear is fixedly arranged on the front side of the upper rotating shaft, a rotating shaft is connected in the rear wall of the circulating cavity in a rotating manner, a first belt wheel is fixedly arranged on the rotating shaft, a second belt wheel is fixedly arranged on the left belt wheel shaft, a first belt is connected between the first belt wheel and the second belt wheel, a rear incomplete gear which is positioned at the front side of the first belt wheel and can be meshed with the upper gear is fixedly arranged on the rotating shaft, and a front incomplete gear which is positioned at the front side of the rear incomplete gear and can be meshed with the lower gear is fixedly arranged on the rotating shaft.

3. The can heavy metal detecting and sorting device of claim 1, wherein: the collecting device comprises a clamping cavity in the left side of the sorting shaft, the machine case is internally provided with a cylinder positioned on the left side of the sorting shaft, the right side of the cylinder is connected with a clamping plate capable of extending into the clamping cavity, the clamping plate extends into the clamping cavity and can be fixed on the sorting shaft, namely, the sorting track is fixed on the sorting shaft.

4. The can heavy metal detecting and sorting device of claim 2, wherein: a belt cavity is arranged in the machine case and is positioned at the rear side of the working cavity, a right belt wheel shaft extends into the belt cavity and is rotatably connected in the rear wall of the belt cavity, a third belt wheel is fixedly arranged on the right belt wheel shaft, a belt wheel shaft positioned at the lower side of the right belt wheel shaft is rotatably connected in the rear wall of the belt cavity, a fourth belt wheel is fixedly arranged on the belt wheel shaft, a second belt is connected between the third belt wheel and the fourth belt wheel, a first bevel gear positioned at the front side of the fourth belt wheel is fixedly arranged on the belt wheel shaft, a first spline shaft is rotatably connected in the right wall of the belt cavity, a second bevel gear meshed and connected with the first bevel gear is fixedly arranged at the left side of the first spline shaft, a meshing shaft is rotatably connected in the right wall of the collecting cavity, bilaterally symmetrical conveying wheels are fixedly arranged on the meshing shaft, a second conveying belt is connected on the conveying wheels, a collecting box for collecting cans is arranged on the upper, the belt conveyor is characterized in that an engaging cavity located on the right side of the belt cavity is formed in the machine case, an inner ring plate is rotationally connected to the left wall of the engaging cavity, an engaging shaft extends into the engaging cavity, an engaging gear located in the inner ring plate is fixedly arranged on the left side of the engaging shaft, an arc-shaped rack plate capable of being engaged with the engaging gear is fixedly arranged on the inner wall of the inner ring plate, a second spline shaft is fixedly arranged on the left side of the inner ring plate, a moving shaft capable of moving left and right is in splined connection with the first spline shaft and the second spline shaft, the moving shaft is fixedly connected with a clamping plate, and the clamping plate can drive the moving shaft to move left when moving left, so that the second spline shaft is not in splined connection with the moving.

5. The can heavy metal detecting and sorting device of claim 1, wherein: the clamping device is characterized in that a jacking cavity is arranged in the clamping device, a jacking plate is connected in the jacking cavity in a sliding mode, and a jacking spring connected between the bottom wall of the jacking cavity and the lower side of the jacking plate is arranged in the jacking cavity.