CN217349778U

CN217349778U - Feeding and discharging equipment for rechecking machine

Info

Publication number: CN217349778U
Application number: CN202221855268.XU
Authority: CN
Inventors: 程强; 郭川; 张仕杰; 秦小琨; 范远豪
Original assignee: Suzhou Footprint Intelligent Manufacturing Co ltd
Current assignee: Suzhou Footprint Intelligent Manufacturing Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-09-02
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a feeding and discharging device for a rechecking machine, which comprises a conveying component and a feeding device, wherein the conveying component is provided with a code scanning weighing device and a feeding positioning device, and the side surface of the conveying component is provided with a rechecking machine for detecting products; the code scanning weighing device is arranged at the feeding end of the conveying assembly and comprises a code scanner and a weighing mechanism, the weighing mechanism is used for weighing a product entering the conveying assembly, and the code scanner is used for scanning and identifying an information code on a product shell in the conveying assembly; the feeding device comprises a grabbing mechanism and a driving mechanism, the feeding positioning device positions the product which is subjected to code scanning and weighing on the conveying assembly, and the grabbing mechanism grabs and places the positioned product on a detection station of the rechecking machine under the driving of the driving mechanism; the utility model discloses can realize the automatic unloading of going up of reinspection machine to can replace artifical unloading of going up, improve production efficiency and production quality by a wide margin.

Description

Feeding and discharging equipment for rechecking machine

Technical Field

The utility model relates to a technical field of cerini dialyser cerini production facility, concretely relates to go up unloading equipment for reinspection machine.

Background

The dialyzer is commonly called as an artificial kidney, is mainly used for treating diseases such as chronic renal failure, acute renal failure, drug poisoning and the like, and is widely applied clinically. The life of a patient can be properly prolonged and the life quality can be improved through hemodialysis or hemodiafiltration; the dialyzer generally comprises a shell, hollow fibers and tube sealing glue which are arranged in the shell, and a blood liquid inlet connecting port, a blood liquid outlet connecting port, a dialysate liquid outlet connecting port and a dialysate liquid inlet connecting port which are arranged at two ends of the shell; after the dialyzer is manufactured, performance detection is needed, the dialyzer can be put into medical use after being qualified, one important detection is that the dialyzer is subjected to leak point pressure monitoring, namely rechecking, and the product qualified by rechecking can enter the next procedure.

In the process of reinspection, a dialyzer needs to be weighed firstly, preparation is made for a drying process after reinspection, the dialyzer is installed on a corresponding detection station of a reinspection machine after being weighed, and then the reinspection machine works and detects corresponding items of the dialyzer; therefore, there is a need in the art to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies existing in the prior art, the utility model provides a high-efficient, practical and easily controlled go up unloading equipment for reinspection machine.

The specific content is as follows: the utility model provides a go up unloading equipment for reinspector, includes:

the conveying assembly is used for conveying products, and a rechecking machine for detecting the products is arranged on the side face of the conveying assembly;

the code scanning and weighing device is arranged at the feeding end of the conveying assembly and comprises a code scanner and a weighing mechanism, the weighing mechanism is used for weighing a product entering the conveying assembly, and the code scanner is used for scanning and identifying an information code on a product shell in the conveying assembly;

the feeding device comprises a grabbing mechanism and a driving mechanism, and the driving mechanism drives the grabbing mechanism to move in space;

the feeding positioning device positions the product which is scanned and weighed on the conveying assembly, and the grabbing mechanism grabs and places the positioned product on a detection station of the rechecking machine under the driving of the driving mechanism.

As a further improvement, the conveying assembly comprises a frame and two horizontal parallel-mounted conveying chains, the two ends of each conveying chain are respectively mounted in corresponding rotating shafts through chain wheel tensioning, one of the rotating shafts is connected with a power mechanism, the power mechanism is used for driving the two conveying chains to rotate synchronously, a plurality of carriers which are uniformly distributed and used for positioning and supporting products are mounted on each conveying chain, and the carriers on the two chains correspond to one another one by one.

As a further improvement, power unit sets up in the below of conveying chain, and this power unit is the motor, the motor is fixed in the frame, the motor passes through the hold-in range and drives the pivot rotation that corresponds to serve.

As a further improvement, the carrier includes saddle and vice support, the saddle is fixed on one of them chain link of conveying chain, is equipped with the vertical constant head tank that just is used for fixing a position the product casing up on this saddle, vice support is fixed the saddle's the outside, just be equipped with the constant head tank that the level just is dialyzed the mouth on outwards being used for fixing a position the product on the vice support.

As a further improvement, the weighing machine constructs and sets up between two conveying chains, and this weighing machine constructs including jacking cylinder and positioning seat, the vertical setting up of jacking cylinder and its cylinder body pass through the connecting plate to be fixed in the frame, be fixed with the support plate that the level set up on the piston rod of jacking cylinder, install a plurality of weighing sensor along the equidistant distribution of conveying chain direction of motion on this support plate, all install on every weighing sensor's the weighing position the positioning seat, and the interval between the two adjacent positioning seats and the interval between the two adjacent carriers equal.

As a further improvement of the utility model, the bar code scanner sets up the top of conveying chain, this bar code scanner install with on the support that the frame is fixed, wherein the quantity of bar code scanner be a plurality of and respectively with the positioning seat one-to-one.

As a further improvement, the utility model discloses a still install the positioner that weighs in the frame, the positioner that weighs fixes a position the product on the conveyor components, the product after the weighing machine constructs the location is weighed, the positioner that weighs with the structure of material loading positioner both is the same.

As a further improvement, the quantity of material loading positioner is two sets of and the symmetry setting is in respectively the conveying chain both sides, material loading positioner includes first die clamping cylinder and the first tight piece of clamp, first die clamping cylinder level sets up and its cylinder body is fixed through first connecting seat in the frame, be fixed with the first mounting panel of horizontally on first die clamping cylinder's the piston rod, be fixed with a plurality of first tight pieces of clamp along the equidistant distribution of conveying chain direction of motion on this first mounting panel, and the interval between the two adjacent first tight pieces of clamp equals with the interval between the two adjacent carriers, be equipped with the constant head tank that the level set up towards the conveying chain direction on the tight piece of clamp and be used for fixing a position the product and dialyse the mouth.

As a further improvement, the driving mechanism is a mechanical arm, the fixed end of the mechanical arm is mounted on the bottom frame, and the grabbing mechanism is mounted on the driving end of the mechanical arm.

As a further improvement, the grabbing mechanism comprises a mounting seat, a clamping jaw cylinder and a chuck, the mounting seat is fixed on the driving end of the manipulator, a plurality of clamping jaw cylinders which are distributed along straight lines at equal intervals are installed on the mounting seat, the chucks which are symmetrically arranged are installed on two driving piston rods of the clamping jaw cylinder, and two opposite sides of the chucks are provided with positioning grooves for positioning products.

The utility model has the advantages that:

the utility model relates to a go up unloading equipment for reinspector, at first, before the loading attachment snatchs the product, carry out the accurate positioning through material loading positioner to the product, guarantee that the position that the loading attachment snatchs the product is more accurate, make the loading attachment can snatch the product and accurately place on the detection station of reinspector, guarantee the success rate and the whole work efficiency of material loading; secondly, the utility model discloses in the in-process of unloading for the reinspection machine, can also weigh and sweep the sign indicating number to the product before the reinspection to can prepare for the stoving after the product reinspection, be convenient for judge the drying quality after the product reinspection, be favorable to getting rid of unqualified product; furthermore, the utility model discloses install customized carrier on the conveying chain, treat the product that detects through the carrier and fix a position, guarantee the stability in the transportation process, position and direction demand when satisfying the product material loading simultaneously.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the conveyor assembly with the frame removed;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the mounting positions of the weighing and positioning device and the weighing mechanism relative to the conveying chain;

FIG. 5 is a schematic perspective view of the weighing mechanism;

FIG. 6 is a schematic view of the installation position of the feeding positioning device relative to the conveying chain;

FIG. 7 is a schematic perspective view of the feeding device;

FIG. 8 is a schematic perspective view of a reinspection machine;

the numbering in the figures illustrates:

100. a rechecking machine; 101. a card holder; 102. a clamp arm; 103. a blocking cover; 104. a card sleeve; 200. a delivery assembly; 201. a frame; 202. a conveyor chain; 203. a carrier; 204. a main support; 205. a secondary support; 206. a rotating shaft; 207. a motor; 208. a synchronous belt; 209. a support module; 301. a weighing mechanism; 302. a connecting plate; 303. jacking a cylinder; 304. a carrier plate; 305. a weighing sensor; 306. positioning seats; 307. a support; 308. a code scanner; 400. a feeding device; 401. a chassis; 402. a manipulator; 403. a mounting seat; 404. a clamping jaw cylinder; 405. a chuck; 500. a feeding positioning device; 501. a first connecting seat; 502. a first clamping cylinder; 503. a first mounting plate; 504. a first clamping block; 600. a weighing and positioning device; 601. a second connecting seat; 602. a second clamping cylinder; 603. a second mounting plate; 604. a second clamping block; 700. a dialyzer; 701. a dialysis port.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

In a first embodiment, referring to fig. 1 to 8, a feeding and discharging apparatus for a rechecking machine 100 includes a conveying assembly 200 and a feeding device 400, wherein a code scanning weighing device and a feeding positioning device 500 are arranged on the conveying assembly 200, the conveying assembly 200 is used for conveying products, and the rechecking machine 100 for detecting the products is arranged on a side surface of the conveying assembly 200; the code scanning and weighing device is arranged at the feeding end of the conveying assembly 200 and comprises a code scanner 308 and a weighing mechanism 301, the weighing mechanism 301 is used for weighing products entering the conveying assembly 200, and the code scanner 308 is used for scanning and identifying information codes on product shells in the conveying assembly 200; the feeding device 400 comprises a grabbing mechanism and a driving mechanism, wherein the driving mechanism drives the grabbing mechanism to move in space; the feeding positioning device 500 positions the product after being scanned and weighed on the conveying assembly 200, and the grabbing mechanism grabs and places the positioned product on the detection station of the rechecking machine 100 under the driving of the driving mechanism. The product in this embodiment is a cylindrical dialyzer 700, and both ends of the dialyzer 700 are provided with dialysis ports 701 arranged along the radial direction thereof, and the dialysis ports 701 are tubular and used for filling or discharging dialysate.

The utility model discloses can realize reinspection machine 100 automatic unloading of going up to can replace artifical unloading of going up, improve production efficiency and production quality by a wide margin, and before loading attachment 400 snatchs the product, carry out the accurate positioning through material loading positioner 500 to the product, guarantee that the position that loading attachment 400 snatchs the product is more accurate, make loading attachment 400 can snatch the product and accurately place on the detection station of reinspection machine 100, guarantee the success rate and the whole work efficiency of material loading; furthermore, the utility model discloses for the in-process of unloading on rechecking machine 100, can also weigh and sweep the sign indicating number to the product before the rechecking to can be for the stoving after the product rechecking prepare, be convenient for judge the oven-dry mass after the product rechecking, be favorable to getting rid of unqualified product.

In a specific embodiment of the present invention, the conveying assembly 200 includes a frame 201 and two conveying chains 202 horizontally and parallelly mounted on the frame 201, the conveying chains 202 are in an end-to-end ring shape, two ends of the conveying chains 202 are respectively mounted on corresponding rotating shafts 206 through chain wheel tensioning, specifically, the rotating shafts 206 are rotatably mounted on the frame 201 through bearing seats, chain wheels are coaxially fixed on the rotating shafts 206, the conveying chains 202 are mounted on the chain wheels through tensioning, one of the rotating shafts 206 is connected with a power mechanism for driving the two conveying chains 202 to rotate synchronously, each conveying chain 202 is mounted with a plurality of carriers 203 which are uniformly distributed and used for positioning and supporting products, and the carriers 203 on the two chains are in one-to-one correspondence, that is, two ends of the dialyzer 700 are respectively supported on the carriers 203 in one-to-one correspondence of the two chains; as shown in fig. 3, a supporting module 209 is further disposed between the two conveying chains 202, the supporting module 209 is fixed on the rack 201, two supporting guide grooves are disposed on two sides of the supporting module 209, the upper straight line segment and the lower straight line segment of the same conveying chain 202 pass through the corresponding supporting guide grooves, and the supporting guide grooves support the conveying chains 202, so that the conveying chains 202 can keep horizontal movement in the process of carrying and conveying products, and the feeding accuracy and efficiency of the products are ensured.

The power mechanism is arranged below the conveying chain 202, the power mechanism is a motor 207, and can be other power output mechanisms, the motor 207 is fixed on the rack 201, the motor 207 drives the rotating shaft 206 on the corresponding end to rotate through a synchronous belt 208, in a specific point, the output end of the motor 207 and one of the rotating shafts 206 are provided with the synchronous belt 208 through a synchronous belt 208 wheel, the motor 207 drives the corresponding rotating shaft 206 to rotate through the synchronous belt 208, the rotating shaft 206 drives the conveying chain 202 to move through a chain wheel, and the conveying chain 202 drives the dialyzer 700 carried by the conveying chain 202 to move.

In order to ensure the stability of the product during the transportation process and simultaneously meet the position and direction requirements of the product during the loading, the carrier 203 is designed for the structure of the dialyzer 700, the carrier 203 comprises a main support 204 and a secondary support 205, the main support 204 is fixed on one of the chain links of the transportation chain 202, a positioning groove which is vertically upward and used for positioning the product housing is arranged on the main support 204, the secondary support 205 is fixed on the outer side of the main support 204, and a positioning groove which is horizontally outward and used for positioning the dialysis port 701 on the product is arranged on the secondary support 205, as shown in fig. 3-6, the housing of the dialyzer 700 is supported on the main support 204, and the dialysis ports 701 at the two ends of the dialyzer 700 are respectively positioned in the positioning grooves of the secondary support 205 at the corresponding end, thereby realizing the positioning of the product.

In a specific embodiment of the present invention, the weighing mechanism 301 is disposed between two conveying chains 202, the weighing mechanism 301 includes a jacking cylinder 303 and positioning seats 306, the jacking cylinder 303 is disposed vertically upward and its cylinder body is fixed on the frame 201 through a connecting plate 302, a horizontally disposed carrier plate 304 is fixed on a piston rod of the jacking cylinder 303, a plurality of weighing sensors 305 are mounted on the carrier plate 304 and are distributed at equal intervals along the moving direction of the conveying chains 202, the number of the weighing sensors 305 in this embodiment is 3, the positioning seats 306 are mounted on the weighing position of each weighing sensor 305, the interval between two adjacent positioning seats 306 is equal to the interval between two adjacent carriers 203, the code scanner 308 is disposed above the conveying chains 202, the code scanner 308 is mounted on a bracket 307 fixed to the frame 201, wherein the number of the code scanners 308 is multiple and respectively correspond to the positioning seats 306 one by one, the code scanner 308 is disposed directly above the positioning socket 306.

The rack 201 is also provided with a weighing and positioning device 600, the weighing and positioning device 600 positions the product on the conveying assembly 200, the weighing mechanism 301 weighs the positioned product, and the weighing and positioning device 600 and the feeding and positioning device 500 have the same structure; specifically, the number of the feeding positioning devices 500 is two, and the two feeding positioning devices 500 are symmetrically arranged on both sides of the conveying chain 202, that is, two conveying chains 202 are located between the two feeding positioning devices 500, the loading fixture 500 includes a first clamping cylinder 502 and a first clamping block 504, the first clamping cylinder 502 is horizontally arranged and the cylinder body thereof is fixed on the frame 201 through a first connecting seat 501, a horizontal first mounting plate 503 is fixed to the piston rod of the first clamping cylinder 502, a plurality of first clamping blocks 504 are fixed on the first mounting plate 503 and distributed at equal intervals along the moving direction of the conveying chain 202, in the embodiment, the number of the first clamping blocks 504 is 3, and the distance between two adjacent first clamping blocks 504 is equal to the distance between two adjacent carriers 203, a positioning groove which is horizontally arranged towards the direction of the conveying chain 202 and is used for positioning a dialysis port 701 on a product is arranged on the first clamping block 504; because cerini dialyser cerini 700 is placed on the detection station of reinspection machine 100, need accurately insert the cutting ferrule 104 of reinspection machine with the dialysis mouth 701 of cerini dialyser cerini 700, consequently before loading attachment 400 snatchs cerini dialyser cerini 700, need carry out the essence location to cerini dialyser cerini 700 through material loading positioner 500, it is more accurate to guarantee that loading attachment 400 snatchs the position of cerini dialyser cerini 700, make loading attachment 400 can snatch the product and accurately place on the detection station of reinspection machine, guarantee the success rate and the whole work efficiency of material loading.

The weighing and positioning devices 600 are arranged in two groups and symmetrically arranged on two sides of the conveying chain 202, that is, two conveying chains 202 are arranged between the weighing and positioning devices 600, the weighing and positioning device 600 comprises a second clamping cylinder 602 and a second clamping block 604, the second clamping cylinder 602 is horizontally arranged and the cylinder body thereof is fixed on the frame 201 through a second connecting seat 601, a horizontal second mounting plate 603 is fixed to the piston rod of the second clamping cylinder 602, a plurality of second clamping blocks 604 are fixed on the second mounting plate 603 and distributed at equal intervals along the moving direction of the conveying chain 202, the number of the second clamping blocks 604 in the embodiment is 3, and the distance between two adjacent second clamping blocks 604 is equal to the distance between two adjacent carriers 203, the second clamping block 604 is provided with a positioning slot which is horizontally arranged towards the direction of the conveying chain 202 and is used for positioning the dialysis port 701 on the product. Make the position accuracy of the product of treating weighing higher through setting up weighing positioner 600, and then can the accurate centre of gravity position of control product for in the weighing process, the centre of gravity of product can be located load cell 305 directly over, in order to guarantee load cell 305's weighing accuracy.

The driving mechanism is a mechanical arm 402, a fixed end of the mechanical arm 402 is mounted on a chassis 401, the grabbing mechanism is mounted at a driving end of the mechanical arm 402, the grabbing mechanism is driven by the mechanical arm 402 to move in space, the grabbing mechanism includes a mounting base 403, a clamping jaw cylinder 404 and a clamping head 405, the mounting base 403 is fixed at the driving end of the mechanical arm 402, a plurality of clamping jaw cylinders 404 distributed at equal intervals along a straight line are mounted on the mounting base 403, in this embodiment, the number of the clamping jaw cylinders 404 is 3, a cylinder body of each clamping jaw cylinder 404 is fixed on the mounting base 403, the clamping heads 405 are symmetrically mounted on two driving piston rods of each clamping jaw cylinder 404, positioning grooves for positioning products are arranged on opposite sides of the two clamping heads 405, specifically, as shown in fig. 7, the clamping heads 405 are fixed on two piston rods for driving in the clamping jaw cylinders 404, the two chucks 405 are symmetrically distributed, positioning grooves for positioning products are formed in each chuck 405, the positioning grooves in the two chucks are arranged face to face, the clamping jaw air cylinder 404 drives the two chucks 405 to synchronously move in the opposite direction or in the reverse direction through piston rods of the clamping jaw air cylinders, and then the products are grabbed and put down through the two chucks 405.

Referring to fig. 1-2, in this embodiment, the number of the rechecking machines 100 is two and is all set at the same side of the conveying assembly 200, and each rechecking machine 100 is correspondingly provided with one feeding device 400 and one feeding positioning device 500, and the weighing mechanism 301 and the weighing positioning device 600 are two corresponding sets, and the following description is provided with reference to the drawings of the specification to explain the working process of the present invention:

firstly, placing a dialyzer 700 to be detected on a carrier 203 in a conveying chain 202 as required, namely, two ends of a shell of the dialyzer 700 are respectively supported on two corresponding main supports 204, meanwhile, a dialysis port 701 at a corresponding end is inserted into a positioning groove of a corresponding auxiliary support 205, a motor 207 works and drives the conveying chain 202 to move, the conveying chain 202 drives the dialyzer 700 to be right above a weighing mechanism 301 and then stops, and 3 dialyzers 700 are taken as a group in the embodiment;

secondly, the weighing and positioning device 600 works, that is, the second clamping cylinder 602 drives the second clamping block 604 to move towards the dialysis port 701 of the dialyzer 700 through the second mounting plate 603, so that the second clamping block 604 abuts against the dialysis port 701 at the corresponding end of the dialyzer 700 through the positioning groove thereof, at this time, the second clamping block 604 is located below the corresponding secondary support 205, so as to clamp the three dialyzers 700 in a centering manner, the positioning is completed, and then the second clamping block 604 retracts to the initial waiting position;

furthermore, the weighing mechanism 301 works, that is, the jacking cylinder 303 drives the positioning seat 306 to vertically ascend, so as to completely lift and suspend the dialyzer 700 above the positioning seat, as shown in fig. 4, at this time, the weighing sensor 305 weighs the corresponding dialyzer 700, meanwhile, the bar code scanner 308 above the dialyzer 700 scans the two-dimensional code on the casing of the dialyzer 700 and transmits the scanned information to the system, after weighing and scanning are completed, the jacking cylinder 303 drives the positioning seat 306 to retreat to a waiting position, so that the dialyzer 700 falls back to the original carrier 203, the motor 207 works and drives the conveying chain 202 to continue to move forwards until the weighed dialyzer 700 reaches the corresponding feeding station;

then, the corresponding feeding positioning device 500 operates, that is, the first clamping cylinder 502 drives the first clamping block 504 to move towards the dialysis port 701 of the dialyzer 700 through the first mounting plate 503, so that the first clamping block 504 abuts against the dialysis port 701 of the corresponding end of the dialyzer 700 through the positioning groove thereof, at this time, the first clamping block 504 is located below the corresponding secondary support 205, so as to clamp the three dialyzers 700 in a centered manner, the positioning is completed, then the manipulator 402 grasps and clamps the 3 dialyzers 700 clamped and positioned by the feeding positioning device 500 through the grasping mechanism, then the second clamping block 604 retracts to the initial waiting position, and then the manipulator 402 places the grasped dialyzers 700 on the detection station of the re-inspection machine 100 as required, specifically, as shown in fig. 8, the manipulator 402 places the dialyzers 700 on the clamping seats 101 of the detection station, and the dialysis ports 701 are respectively inserted into the two clamping sleeves 104, then the rotary lifting cylinder drives the clamping arm 102 to move, the dialyzer 700 is clamped on the clamping seat 101 through the clamping arm 102, the manipulator 402 drives the grabbing mechanism to return to an initial waiting position, and finally the blocking cover 103 is driven to move through the cylinder, so that the blocking cover 103 is abutted to the corresponding end of the dialyzer 700 in a sealing mode, and finally, rechecking testing is carried out.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides a go up unloading equipment for reinspection machine which characterized in that includes:

the code scanning and weighing device is installed at the feeding end of the conveying assembly and comprises a code scanner and a weighing mechanism, the weighing mechanism is used for weighing a product entering the conveying assembly, and the code scanner is used for scanning and identifying an information code on a product shell in the conveying assembly;

2. The loading and unloading device for the rechecking machine as claimed in claim 1, wherein the conveying assembly comprises a frame and two conveying chains horizontally and parallelly mounted on the frame, two ends of the conveying chains are respectively mounted on corresponding rotating shafts through chain wheels in a tensioning manner, one of the rotating shafts is connected with a power mechanism, the power mechanism is used for driving the two conveying chains to synchronously rotate, each conveying chain is provided with a plurality of carriers which are uniformly distributed and used for positioning and supporting products, and the carriers on the two chains correspond to one another.

3. The loading and unloading device for the reinspector of claim 2, wherein the power mechanism is arranged below the conveying chain, the power mechanism is a motor, the motor is fixed on the rack, and the motor drives the rotating shaft at the corresponding end to rotate through a synchronous belt.

4. The loading and unloading device for the rechecking machine as claimed in claim 2, wherein the carrier comprises a main support and an auxiliary support, the main support is fixed on one of the chain links of the conveying chain, the main support is provided with a positioning groove which faces vertically upwards and is used for positioning the product shell, the auxiliary support is fixed on the outer side of the main support, and the auxiliary support is provided with a positioning groove which faces horizontally outwards and is used for positioning the dialysis port on the product.

5. The loading and unloading device for the rechecker as claimed in claim 2, wherein the weighing mechanism is disposed between two conveyor chains, the weighing mechanism includes a jacking cylinder and positioning seats, the jacking cylinder is disposed vertically upward and its cylinder body is fixed on the frame through a connecting plate, a horizontally disposed carrier plate is fixed on a piston rod of the jacking cylinder, a plurality of weighing sensors are mounted on the carrier plate and are distributed at equal intervals along the moving direction of the conveyor chains, the positioning seats are mounted on the weighing positions of each weighing sensor, and the interval between two adjacent positioning seats is equal to the interval between two adjacent carriers.

6. The loading and unloading device for the rechecker of claim 5, wherein the code scanner is arranged above the conveying chain and is installed on a bracket fixed with the rack, and the number of the code scanners is multiple and corresponds to the positioning seats one by one.

7. The loading and unloading device for the rechecking machine as claimed in claim 5, wherein the frame is further provided with a weighing and positioning device, the weighing and positioning device positions the product on the conveying assembly, the weighing mechanism weighs the positioned product, and the weighing and positioning device and the loading and positioning device have the same structure.

8. The loading and unloading device for the rechecking machine as claimed in claim 7, wherein the number of the loading and positioning devices is two and the two loading and positioning devices are symmetrically arranged on two sides of the conveying chain respectively, the loading and positioning devices include a first clamping cylinder and a first clamping block, the first clamping cylinder is horizontally arranged and the cylinder body of the first clamping cylinder is fixed on the frame through a first connecting seat, a horizontal first mounting plate is fixed on a piston rod of the first clamping cylinder, a plurality of first clamping blocks which are distributed at equal intervals along the moving direction of the conveying chain are fixed on the first mounting plate, the interval between two adjacent first clamping blocks is equal to the interval between two adjacent carriers, and positioning grooves which are horizontally arranged towards the direction of the conveying chain and are used for positioning dialysis ports on products are arranged on the first clamping blocks.

9. The loading and unloading apparatus for a review machine according to claim 1, wherein the driving mechanism is a robot, a fixed end of the robot is mounted on the chassis, and the grasping mechanism is mounted on a driving end of the robot.

10. The loading and unloading device for the rechecking machine as claimed in claim 9, wherein the gripping mechanism comprises a mounting base, a clamping jaw cylinder and clamping heads, the mounting base is fixed on the driving end of the manipulator, the mounting base is provided with a plurality of clamping jaw cylinders distributed at equal intervals along a straight line, the two driving piston rods of the clamping jaw cylinders are provided with the clamping heads arranged symmetrically, and one opposite sides of the two clamping heads are provided with positioning grooves for positioning products.