CN115178486A

CN115178486A - Check heavy equipment with intelligence non-contact classification function

Info

Publication number: CN115178486A
Application number: CN202210851537.3A
Authority: CN
Inventors: 汤杰; 汤哲民
Original assignee: Want Balance Instrument Co ltd
Current assignee: Want Balance Instrument Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-10-14

Abstract

The invention relates to the technical field of weight detection equipment, in particular to weight detection equipment with an intelligent non-contact classification function. Before the machine starts to work, the limiting component is in an open state, goods pass through the limiting component and enter the position above the rebounding component, the rebounding component is pressed by the goods, the limiting component is closed by the rebounding component, the goods above the check weight platform are checked by the check weight scale arranged at one end of the first conveying belt, and check weight results are observed through the instrument panel arranged on one side of the check weight platform after the check weight is finished; compared with the prior art, in the process that the checkweigher checks the goods, the weighing result of the goods is influenced due to the fact that the distance between the goods is too close, the rebounding assembly controls the limiting assembly to be closed through the gravity of the goods, the next goods can be prevented from simultaneously arriving at the checkweigher platform due to the fact that the distance between the next goods and the previous goods is short, and the weighing result of the two goods is prevented from being influenced due to the fact that the two goods are weighed together.

Description

Check heavy equipment with intelligence non-contact classification function

Technical Field

The invention relates to the technical field of weight detection equipment, in particular to weight detection equipment with an intelligent non-contact classification function.

Background

At present, a weighing belt conveyor with a weighing sensor (including a high-precision weighing sensor) is mainly adopted for continuously weighing and comparing dynamic objects on a product production or packaging production line; during the use, the object gets into the belt feeder platform of weighing in succession and weighs one by one, and its weight shows through the display device who is connected with weighing sensor, and the staff distinguishes qualified product and unqualified product through display device's demonstration result to manual operation's mode.

The traditional operation mode can cause two or more than two cargos to enter the weight detecting machine at the same time because the cargos are close to each other, so that the weight detection of the cargos is inaccurate, the result is influenced, the cargos need to be reweighed, and the working efficiency is reduced.

In view of this, the present invention provides a weight detecting device with an intelligent non-contact classification function, which solves the above technical problems.

Disclosure of Invention

The invention aims to solve the following specific problems: after the goods moves to the check weighing platform, the rebounding assembly is extruded by the self weight of the goods and then acts on the limiting assembly, so that the limiting assembly is closed, after the check weighing is completed, the goods moves out of the check weighing platform, the rebounding assembly returns to the original position and then drives the limiting assembly to be opened, and the next goods can normally enter the check weighing platform.

In order to achieve the above object, the present invention provides a weight detecting device with an intelligent non-contact classification function, which includes a first conveyor belt, and further includes:

the checkweigher is arranged at one end of the first conveying belt;

the weight checking platform is arranged above the weight checking scale, and a cavity is formed in the weight checking platform;

the limiting assembly is arranged on the upper surface of the weight checking platform and is used for preventing two articles from being weighed simultaneously to influence a weighing result;

the rebound assembly is arranged inside the cavity and used for controlling the opening and closing states of the limiting assembly.

Preferably, the limiting assembly comprises:

one end of each connecting rod is connected to one side, close to the first conveying belt, of the rebound assembly;

the lower ends of the at least two spiral rods are connected to one end, far away from the rebounding assembly, of the connecting rod, and the upper ends of the spiral rods extend out of the upper surface of the check weight platform;

the spiral rod is sleeved on the outer wall of the screw rod, and the inner wall of each sleeve is provided with a spiral groove meshed with the screw rod;

and at least two baffles respectively connected to the outer wall of the sleeve.

Through above-mentioned technical scheme, can prevent that the goods distance is nearer and make two goods weigh together and influence the weighing result.

Preferably, the rebound assembly comprises:

the lower end of the spring is connected to the bottom of the cavity;

and the limiting block is connected to the upper end of the spring and is special-shaped.

Through above-mentioned technical scheme, can be so that the goods is weighed and accomplish the back, drive spacing subassembly and resume the normal position, wait for next goods to weigh once more, guarantee going on in order that the goods weighed.

Preferably, the thickness of the limiting block gradually becomes thicker from one end close to the first transmission belt to one end far away from the first transmission belt; the upper surface of the limiting block is a slope;

when the limiting block is in a spring relaxation state, one end, close to the first conveying belt, of the limiting block is flush with the weight detection platform;

when the limiting block is in a spring compression state, one end, far away from the first transmission belt, of the limiting block is flush with the weight checking platform.

Through the technical scheme, the structure of the limiting block can be utilized to control the closing of the limiting assembly, and meanwhile, the normal entering and exiting of goods on the weight detection platform can not be influenced.

Preferably, the upper surface of the weighing platform is connected with a push rod.

Through above-mentioned technical scheme, can be with the good goods of weighing and the next operation platform of transportation at any time, raise the efficiency.

Preferably, the device further comprises a sorting assembly, wherein the sorting assembly comprises:

the base is arranged at one end, far away from the first conveying belt, of the checkweigher;

the motor is arranged in the base;

the driving disc is in transmission connection with an output shaft of the motor and is in sliding connection with the upper surface of the base;

at least two cylinders mounted on the upper surface of the drive plate;

and the supporting plate is connected to the upper end of the cylinder.

Through above-mentioned technical scheme, can distinguish the kind after weighing of goods, be favorable to operating personnel to know to increase the weight or examine the weight to the goods.

Preferably, one side of the base, which is far away from the checkweigher, is provided with a plurality of second conveying belts, and the angle between every two second conveying belts is beta.

Through the technical scheme, the qualified, overweight and overweight cargoes are respectively transported to each appointed place, and the follow-up operation of operators is facilitated.

Preferably, the screw rod is provided with one half of screw thread, the upper half part of the screw thread is a first screw thread, and the lower half part of the screw thread is a second screw thread; the height of the sleeve is one fourth of the pitch of the first thread;

when the spring is in a relaxed state, the thread groove in the sleeve is in threaded connection with the first thread;

when the spring is in a compressed state, the threaded groove inside the sleeve is in threaded connection with the second thread.

Through above-mentioned technical scheme, guarantee that the baffle can thoroughly open and thoroughly close, can not introduce the screw thread too much and make the baffle number of revolutions too much simultaneously, and then guarantee the accuracy that the baffle opened and shut.

Preferably, still include the anticollision subassembly, the anticollision subassembly includes:

the two first contacts are respectively arranged at the positions corresponding to the positions below the limiting block and the bottom of the cavity;

the two mounting shells are respectively connected to one ends of the two baffles far away from the sleeve;

at least two electromagnets which are respectively arranged inside the two mounting shells, wherein the winding directions of the coils of the electromagnets are opposite;

the two second contacts are respectively connected to the corresponding positions of the outer walls of the two mounting shells, and the two first contacts are respectively electrically connected with the two mounting shells; and the two second contacts are in concave-convex fit.

Through above-mentioned technical scheme, can prevent between the goods apart from too closely and make last goods not leave the condition emergence of examining heavy platform and next goods has gone up the resistant ability of bumping into and examining heavy platform, improve spacing subassembly.

Preferably, a plurality of the second conveyer belt is close to base one end and has been seted up the feed inlet, the feed inlet is eight characters.

Through above-mentioned technical scheme, can prevent that the goods from dropping to the ground and increase the degree of difficulty that artifical was picked up when sliding off the second conveyer belt in the backup pad.

The invention has the beneficial effects that: after the goods moved to examine heavy platform, utilize the self weight extrusion resilience subassembly of goods, resilience subassembly reappears on spacing subassembly, make spacing subassembly closed, after examining heavy the completion, the goods moved out and examines heavy platform, resilience subassembly resumes the normal position and then drives spacing subassembly and open, can guarantee that next goods can normally get into examine heavy platform inside, this process only realizes opening and shutting of control baffle under the action of gravity of goods self, and the structure is ingenious, can prevent that next goods from arriving simultaneously and examining heavy platform because it is shorter with last goods distance, avoid two goods to weigh together and influence the result.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is a partial cross-sectional view of the invention;

FIG. 6 is an enlarged view of the invention at A;

FIG. 7 is an enlarged view of the invention at A;

FIG. 8 is an enlarged view of the invention at B.

The parts of the drawings are numbered as follows: the automatic weighing device comprises a first conveying belt 1, a second conveying belt 2, a checkweigher 3, a checkweigher platform 4, a connecting rod 5, a screw rod 6, first threads 601, second threads 602, a sleeve 7, a baffle 8, a spring 9, a limiting block 10, a slope 101, a push rod 11, a base 12, a motor 13, a driving disc 14, a cylinder 15, a supporting plate 16, a first contact 17, a second contact 18, an installation shell 19 and a feeding hole 20.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.

Example 1 is further explained with reference to fig. 1 to 8.

The invention provides a check weighing equipment with intelligent non-contact classification function, which comprises a first conveyer belt 1 and further comprises: a checkweigher 3 disposed at one end of the first conveyor belt 1; the weight detecting platform 4 is arranged above the weight detecting scale 3, and a cavity is formed in the weight detecting platform 4; the limiting assembly is arranged on the upper surface of the weight checking platform 4 and is used for preventing two articles from being weighed simultaneously to influence the weighing result; the rebound assembly is arranged in the cavity and used for controlling the opening and closing state of the limiting assembly.

After operating personnel opens the power, first conveyer belt 1 is close to checkweigher 3 one end with first conveyer belt 1 with freight, install this moment and be in the open mode in the spacing subassembly of checkweigher 4 upper surface, the goods passes spacing subassembly through the inertia forward motion of self, continue to move forward and install in the inside resilience subassembly top of cavity, the resilience subassembly receives the pressure of goods, the resilience subassembly makes spacing subassembly closed, set up and examine the weight in the goods of checkweigher 3 of first conveyer belt one end to checkweigher 4 top, examine through the panel board observation checkweigher result that sets up in checkweigher 4 one side after heavy completion.

Compared with the prior art, in the process that the checkweigher 3 checks the goods, the weighing result of the goods is influenced due to the fact that the goods are too close to each other, the rebound assembly controls the limiting assembly to be closed through the gravity of the goods, the next goods can be prevented from simultaneously arriving at the checkweigher platform 4 due to the fact that the distance between the next goods and the previous goods is short, and the influence on the result due to the fact that the two goods are weighed together is avoided.

As a specific embodiment of the present invention, the limiting assembly includes: at least two connecting rods 5 with one ends connected to one side of the rebounding assembly close to the first conveying belt 1; the lower ends of the at least two spiral rods 6 are connected to one end, far away from the rebounding assembly, of the connecting rod 5, and the upper ends of the spiral rods 6 extend out of the upper surface of the check weight platform 4; at least two sleeves 7 respectively sleeved on the outer wall of each screw rod 6, wherein the inner wall of each sleeve 7 is provided with a spiral groove meshed with the screw rod 6; at least two baffles 8 respectively attached to the outer wall of the sleeve 7.

The rebound assembly comprises: the lower end of the spring 9 is connected with the bottom of the chamber; a limiting block 10 connected to the upper end of the spring 9, wherein the limiting block 10 is specially shaped.

The thickness of the limiting block 10 gradually becomes thicker from one end close to the first transmission belt 1 to the end far away from the first transmission belt 1; the upper surface of the limiting block 10 is a slope 101;

when the spring 9 is in a relaxed state, one end of the limiting block 10, which is close to the first conveying belt 1, is flush with the weight detection platform 4;

when the limiting block 10 is in a compressed state of the spring 9, one end of the limiting block 10, which is far away from the first transmission belt 1, is flush with the weight detecting platform 4.

The upper surface of the weighing platform is connected with a push rod 11.

After an operator turns on a power supply, the first conveying belt 1 conveys goods to one end, close to the checkweigher 3, of the first conveying belt 1, at the moment, two baffle plates 8 fixedly connected to two sleeves 7 are in an open state respectively, the opening can facilitate the passing of the goods, then the goods moving on the first conveying belt pass through the opening formed by the baffle plates 8 through self inertia to move to the checkweigher platform 4, then the goods continuously move forwards to a slope 101 arranged above a limiting block 10, the goods move forwards along the slope 101, in the process, the weight of the goods presses the limiting block 10, the limiting block 10 compresses a spring 9, and because when the spring 9 is in a compressed state, the limiting block 10 arranged in a cavity and fixedly connected to the upper end of the spring 9 is close to one end of the first conveying belt and is flush with the upper surface of the checkweigher platform 4, the goods can be stably close to one end of the first conveying belt through the limiting block 10, however, since the height of the limit block 10 far from the end of the first transmission belt is higher than the check weight platform 4, the limit block 10 is pressed down by the aid of self gravity in the forward movement process of the goods to be far from the end of the first transmission belt, the end of the limit block 10 close to the end of the first transmission belt can tilt upwards, in addition, when the spring 9 is in a compression state, the end of the limit block 10 far from the end of the first transmission belt 1 is flush with the check weight platform 4, so that the end of the limit block 10 far from the end of the first transmission belt 1 cannot be blocked due to the fact that the position of the end of the limit block is lower than the check weight platform 4, the goods can be stably transported out of the check weight platform 4, in addition, in the upward tilting process of the end of the limit block 10 close to the end of the first transmission belt 1, the two connecting rods 5 fixedly connected to the limit block 10 close to the end of the first transmission belt can be driven to move upwards, and the two connecting rods 5 fixedly connected to the two connecting rods 5 on the two connecting rods 5 can be driven in the upward movement process of the two connecting rods 5 respectively The spiral rods 6 move upwards, and in the process that the two spiral rods 6 move upwards, because the spiral grooves are formed in the sleeves 7 sleeved outside the spiral rods 6 and the spiral directions of the spiral grooves in the two sleeves 7 are opposite, the rotation directions of the sleeves 7 rotatably connected above the check weight platform 4 are opposite in the process that the spiral rods 6 move upwards, and then the two baffles 8 fixedly connected to the outer walls of the two sleeves 7 are close to each other until the two baffles are closed;

after the checkweigher 3 weighs the goods, under the control of the controller, the push rod 11 fixedly connected to the weighing platform pushes the goods out of the checkweigher 4, after the limiting block 10 is free from the pressure of the goods, the spring 9 fixedly connected to the bottom of the cavity at the lower end restores to deform to drive the limiting block 10 to restore to the original position, in the process that the limiting block 10 restores to the original position, the connecting rod 5 can be driven to move downwards, the connecting rod 5 can drive the spiral rod 6 to move downwards, the spiral rod 6 can drive the sleeve 7 to rotate downwards in the reverse direction, the sleeve 7 drives the baffle 8 to move after rotating in the reverse direction to open the baffle 8 again, in the process, the opening and closing of the control baffle 8 are realized only under the action of the gravity of the goods, the structure is ingenious, the next goods can be prevented from reaching the checkweigher 4 due to the short distance with the previous goods, and the influence on the result caused by weighing of the two goods together.

As a specific embodiment of the present invention, the present invention further includes a sorting module, including: the base 12 is arranged at one end of the checkweigher 3 far away from the first conveying belt 1; a motor 13 installed inside the base 12; a driving disk 14 which is connected with an output shaft of the motor 13 in a transmission way, wherein the driving disk 14 is connected with the upper surface of the base 12 in a sliding way; at least two air cylinders 15 mounted on the upper surface of the drive plate 14; a support plate 16 connected to the upper end of the cylinder 15.

The base 12 is provided with a plurality of second conveyer belts 2 on one side far away from the checkweigher 3, and the angle between every two second conveyer belts 2 is beta.

After the push rod 11 pushes the goods out, the goods arrive on a support plate 16 fixedly connected above the air cylinder 15, when the weight of the goods is qualified, under the control of the controller, the air cylinder 15 close to the first conveying belt moves upwards, the air cylinder 15 far away from the first conveying belt moves downwards, the support plate 16 inclines downwards towards one end far away from the first conveying belt 1, the goods can move downwards under the action of self gravity, and the goods slide down to a second conveying belt 2 corresponding to the side, far away from the checkweigher 3, of the base 12 along the gradient of the support plate 16;

when the weight of the goods is overweight, the motor 13 fixedly installed in the base 12 rotates sixty degrees clockwise to drive the driving disc 14 fixedly connected to the output shaft of the motor 13 and rotatably connected to the base 12 to rotate, the driving disc 14 rotates to drive the two cylinders 15 fixedly connected above the driving disc 14 to rotate, after the symmetrically arranged cylinders 15 rotate sixty degrees clockwise, the cylinders 15 close to the first conveying belt move upwards and the cylinders 15 far away from the first conveying belt move downwards under the control of the controller, so that the supporting plate 16 inclines downwards towards one end far away from the first conveying belt 1, the goods can move downwards under the action of the self gravity and slide down onto the corresponding second conveying belt 2 arranged on one side, far away from the checkweigher 3, of the base 12 along the gradient of the supporting plate 16;

when the weight of goods is owed, motor 13 anticlockwise rotation sixty degrees, drive driving-disc 14 and rotate, driving-disc 14 rotates and drives two cylinders 15 and rotate, behind the sixty degrees of 15 anticlockwise rotations, under the control of controller, be close to the cylinder 15 upward movement of first conveyer belt, keep away from the cylinder 15 downward movement of first conveyer belt, make backup pad 16 to keeping away from 1 one end downward sloping of first conveyer belt, make the goods can be under the effect of self gravity downward movement, the slope landing along backup pad 16 sets up on base 12 keeps away from examine weighing scale 3 one side and second conveyer belt 2 that corresponds with it.

As a specific embodiment of the present invention, the screw rod 6 is provided with one half turn of threads, the upper half part of the threads is a first thread 601, and the lower half part of the threads is a second thread 602; the height of the sleeve 7 is one fourth of the pitch of the first thread 601;

when the spring 9 is in a relaxed state, the thread groove inside the sleeve 7 is in threaded connection with the first thread 601;

when the spring 9 is in a compressed state, the threaded groove inside the sleeve 7 is in threaded connection with the second thread 602.

By setting the height of the sleeve 1 to be one fourth of the pitch of the first thread 601, when the spring 9 is in a relaxed state, the thread groove inside the sleeve 7 is in threaded connection with the first thread 601, when the spring 9 is in a compressed state, the thread groove inside the sleeve 7 is in threaded connection with the second thread 602, after the spring 9 is compressed, the screw rod 9 can be meshed with the second thread 602 after rising one fourth of the pitch of the first thread 601, and the upward movement is stopped because the thread is not arranged below the second thread 602, at the moment, the sleeve 7 only can rotate ninety degrees to enable the baffle 8 to be completely opened, so that the passage of goods is convenient;

after the goods weighed, the goods left domatic 101, and spring 9 resumes deformation, drives stopper 10 and resumes the normal position, drives hob 6 downstream at the in-process that stopper 10 resumes the normal position, and then can make first screw 601 mesh with sleeve 7 once more, repeats above-mentioned action once more after the goods moved on domatic 101 once more.

As a specific embodiment of the present invention, the vehicle further includes a collision avoidance module, the collision avoidance module including: two first contacts 17 respectively arranged at the positions corresponding to the positions below the limiting block 10 and the bottom of the cavity; two mounting shells 19 respectively connected to one ends of the two baffles 8 far away from the sleeve 7; at least two electromagnets respectively installed inside the two installation shells 19, wherein the winding directions of the coils of the electromagnets are opposite; the two second contacts 18 are respectively connected to the corresponding positions of the outer walls of the two mounting shells 19, the two first contacts 17 are respectively electrically connected with the two mounting shells 19, and the two second contacts 18 are in concave-convex fit.

After the goods successfully arrive at the weight detecting platform 4, the goods move from the end of the limiting block 10 close to the first conveying belt 1 to the direction far away from the first conveying belt 1, in the process, under the action of the gravity of the goods, the end of the limiting block 10 close to the first conveying belt 1 tilts upwards, the end of the limiting block 10 far away from the first conveying belt 1 recesses downwards, in the process that the end of the limiting block 10 far away from the first conveying belt 1 recesses downwards, the first contact 17 fixedly connected below the limiting block 10 moves downwards under the driving of the limiting block 10 until being connected with the first contact 17 fixedly connected at the bottom of the cavity and corresponding to the cavity, at the moment, the two baffles 8 are also close to each other until being closed, after the two baffles 8 are closed, the mounting shells 19 fixedly connected at the ends of the baffles 8 far away from the sleeve 7 are attached to each other, and after the two mounting shells 19 are attached to each other, the two second contacts 18 which are respectively and fixedly connected on the binding surface of the mounting shell 19 are mutually contacted, and simultaneously, the two first contacts 17 are respectively and electrically connected with the two mounting shells 19, so that the two first contacts 17, the two second contacts 18 and the electromagnets which are respectively and fixedly mounted in the two mounting shells 19 form a closed-loop path, the electromagnets have magnetism after being electrified, and the two electromagnets can attract each other due to the opposite winding directions of the conductive coils of the two electromagnets, so that the two baffle plates 8 can be tightly bound, the attraction force between the baffle plates 8 is increased, the phenomenon that next goods can rush onto the weight detecting platform 4 in advance due to the fact that the next goods is close to the goods entering the weight detecting platform 4 is avoided, the effect of preventing collision is achieved, the orderliness of the weighing process of the goods is improved, and the second contacts 18 are matched in a concave-convex mode, the mounting shell 19 can be further attached more tightly, and the attraction force between the electromagnets is further improved.

As a specific embodiment of the present invention, a plurality of feed inlets 20 are formed at one end of the second conveyor 2 close to the base 12, and the feed inlets 20 are splayed.

When the goods slide down from the supporting plate 16, the goods may be shifted to cause the goods to be unable to accurately fall onto the second conveying belt 2, so that the feeding hole 20 is opened at one end of the second conveying belt 2 close to the base 12, the feeding hole 20 is splayed, the opening area is increased, the goods are prevented from falling onto the ground, and the possibility of manual picking is reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a check weighing equipment with intelligence non-contact classification function, includes first conveyer belt (1), its characterized in that: further comprising:

the checkweigher (3) is arranged at one end of the first conveying belt (1);

the weight checking platform (4) is arranged above the weight checking scale (3), and a cavity is formed in the weight checking platform (4);

the limiting assembly is arranged on the upper surface of the weight checking platform (4) and is used for preventing two articles from being weighed simultaneously to influence the weighing result;

2. The checkweigher with an intelligent non-contact classification function according to claim 1, characterized in that: the spacing subassembly includes:

one end of each connecting rod (5) is connected to one side, close to the first conveying belt (1), of the rebound assembly;

the lower ends of the at least two spiral rods (6) are connected to one end, far away from the rebound assembly, of the connecting rod (5), and the upper ends of the spiral rods (6) extend out of the upper surface of the check weight platform (4);

the at least two sleeves (7) are respectively sleeved on the outer wall of each spiral rod (6), and a spiral groove in spiral connection with each spiral rod (6) is formed in the inner wall of each sleeve (7);

at least two baffles (8) are respectively connected to the outer wall of the sleeve (7).

3. The checkweigher with an intelligent non-contact classification function according to claim 1, characterized in that: the rebound assembly comprises:

the lower end of the spring (9) is connected to the bottom of the chamber;

and the limiting block (10) is connected to the upper end of the spring (9), and the limiting block (10) is special-shaped.

4. A checkweigher having an intelligent non-contact sorting function according to claim 3, characterized in that: the thickness of the limiting block (10) is gradually thickened from one end close to the first conveying belt (1) to one end far away from the first conveying belt (1); the upper surface of the limiting block (10) is a slope surface (101);

when the limiting block (10) is in a relaxed state of the spring (9), one end, close to the first conveying belt (1), of the limiting block (10) is flush with the weight checking platform (4);

when the limiting block (10) is in a compressed state of the spring (9), one end, far away from the first conveying belt (1), of the limiting block (10) is flush with the weight detection platform (4).

5. The checkweigher with an intelligent non-contact classification function according to claim 1, characterized in that: the upper surface of the weighing platform is connected with a push rod (11).

6. The checkweigher with an intelligent non-contact classification function according to claim 1, characterized in that: still include the sorting subassembly, the sorting subassembly includes:

the base (12) is arranged at one end, far away from the first conveying belt (1), of the checkweigher (3);

a motor (13) mounted inside the base (12);

the driving disc (14) is connected to an output shaft of the motor (13) in a transmission manner, and the driving disc (14) is connected with the upper surface of the base (12) in a sliding manner;

at least two air cylinders (15) mounted on the upper surface of the drive plate (14);

and a support plate (16) connected to the upper end of the cylinder (15).

7. The weight detection device with intelligent non-contact classification function according to claim 6, characterized in that: one side of the base (12) far away from the checkweigher (3) is provided with a plurality of second conveying belts (2), and the angle between every two second conveying belts (2) is beta.

8. The checkweigher with an intelligent non-contact classification function according to claim 2, characterized in that: the screw rod (6) is provided with one half of a circle of threads, the upper half part of the threads is first threads (601), and the lower half part of the threads is second threads (602); the height of the sleeve (7) is one fourth of the pitch of the first thread (601);

when the spring (9) is in a relaxed state, the thread groove inside the sleeve (7) is in threaded connection with the first thread (601);

when the spring (9) is in a compressed state, the thread groove inside the sleeve (7) is in threaded connection with the second thread (602).

9. The checkweigher with an intelligent non-contact classification function according to claim 1, characterized in that: still include the anticollision subassembly, the anticollision subassembly includes:

the two first contacts (17) are respectively arranged at the positions corresponding to the bottom of the cavity below the limiting block (10);

the two mounting shells (19) are respectively connected to one ends, far away from the sleeve (7), of the two baffle plates (8);

at least two electromagnets which are respectively arranged inside the two mounting shells (19), wherein the winding directions of the coils of the electromagnets are opposite;

the two second contacts (18) are respectively connected to the corresponding positions of the outer walls of the two mounting shells (19), and the two first contacts (17) are respectively electrically connected with the two mounting shells (19); the two second contacts (18) are in concave-convex fit.

10. The checkweigher with an intelligent non-contact classification function according to claim 7, characterized in that: a plurality of feed inlet (20) have been seted up to second conveyer belt (2) near base (12) one end, the feed inlet is the splayed.