CN113457994A

CN113457994A - Full-automatic medical piston detection machine

Info

Publication number: CN113457994A
Application number: CN202110720998.2A
Authority: CN
Inventors: 秦江; 朱红斌
Original assignee: Wuxi Chuanqi Technology Co ltd
Current assignee: Wuxi Chuanqi Technology Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-10-01
Anticipated expiration: 2041-06-28
Also published as: CN113457994B

Abstract

The application discloses a full-automatic medical piston detector, which consists of a feeding system and a detection system, wherein the feeding system mainly consists of a circular stock bin device, a linear vibrator device and a circular vibrator device; the detection system comprises a connecting device, a transmission conveying device, a first detection station device, a first waste kicking channel, an air suction turntable conveying device, a rotation detection station device, a second waste kicking channel, a finished product channel and the like. The full-automatic medical piston detection machine in this application, easily wash, clean, ejection of compact that can be stable adopts machine vision detection principle and high-speed image processing technique, carries out full-automatic, non-blind area to medical piston and detects, and the waste product is rejected automatically, helps improving the accuracy and the detection efficiency of medical piston testing result.

Description

Full-automatic medical piston detection machine

Technical Field

The application relates to the technical field of medical piston detection, in particular to a full-automatic medical piston detection machine.

Background

The medical piston is generally used for a piston inside a syringe cylinder, and the piston is directly contacted with liquid medicine injected into a human body, so that if the production quality of the medical piston is problematic, the physical health of a patient is seriously threatened, and therefore, strict quality detection of the produced product is required. Quality problems with medical pistons typically include: the outside has stain particles, has flanging, cracks, a connected piston and the like.

The existing medical piston detection mode is generally manual detection, on one hand, the detection efficiency is low, on the other hand, the medical piston is small in size and black in the whole body, the detection difficulty is high, and the inspectors are required to have rich experience.

In addition, during manual inspection, the possibility that an inspector directly touches the medical piston by hand exists, so that secondary pollution to the medical piston is caused.

Disclosure of Invention

The purpose of this application lies in: the full-automatic detection without blind areas of the medical piston is realized, the reliability of detection of the detection efficiency box is improved, and the problems of difficult rotation, difficult turnover and the like due to small volume in the detection process of the medical piston are solved.

The technical scheme of the application is as follows: the utility model provides a full-automatic medical piston detects machine, the detection machine includes charge-in system and detecting system, is provided with circular vibrator among the charge-in system, and circular vibrator's discharge gate is connected in detecting system's feed inlet, and circular vibrator adopts spiral feeding's mode will wait to examine medical piston transmission to detecting system, and detecting system includes: the device comprises a box body, a transmission conveying device, a first detection station device, an air suction turntable conveying device, a rotation detection station device, a finished product channel and an industrial personal computer; the transmission conveying device is arranged on a back plate in the box body, two circular belts are arranged on the transmission conveying device, and a gap between the two circular belts is used for conveying the medical piston to be detected; the first detection station device is arranged in the middle of the transmission conveying device and comprises a first camera, a first strip-shaped light source, a second strip-shaped light source and a reflector, and the first camera is used for acquiring a first image of a medical piston to be detected on the circular belt through the reflector and sending the first image to the industrial personal computer; the air suction turntable conveying device is arranged at the rear end of the transmission conveying device and is used for adsorbing the medical piston to be detected on the circular belt and driving the adsorbed medical piston to be detected to rotate; the rotation detection station device is arranged along the rotation direction of the air suction turntable conveying device and is used for acquiring a second image of the medical piston to be detected adsorbed on the air suction turntable conveying device and sending the second image to the industrial personal computer; the finished product channel is arranged on the rear side of the rotation detection station device along the rotation direction of the air suction turntable conveying device, a material receiving air nozzle is arranged on the opposite side of the finished product channel, and the air blowing direction of the material receiving air nozzle faces to the edge of the air suction turntable conveying device; the industrial personal computer is used for judging whether the medical piston to be detected is a qualified product or not according to the first image and the second image, and if so, the industrial personal computer controls the material receiving air nozzle to blow air so as to blow the qualified product into the finished product channel.

In any one of the above technical solutions, further, the first detection station device further includes: the camera fixing device comprises a vertical fixing plate, a camera fixing and mounting plate and a light source fixing plate; the bottom of vertical fixed plate is fixed on the backplate, the middle part of vertical fixed plate is fixed with the light source fixed plate, the top of vertical fixed plate is fixed with camera fixed mounting board, two first bar light sources are fixed in the both sides of light source fixed plate bottom respectively, the second bar light source is fixed in the intermediate position of light source fixed plate, the region that two first bar light sources and second bar light source light converge is located the top of crack between two circular belts, two reflectors are located the top of two first bar light sources respectively, the reflector is fixed in on the light source fixed plate, two first cameras are fixed in the both sides of camera fixed mounting board respectively, the visual range of two first cameras converges the top of crack between two circular belts through the reflection of reflector, first camera is used for acquireing first image.

In any one of the above technical solutions, further, the detection system further includes: the waste gas conveying and kicking device comprises a waste gas conveying and kicking nozzle, an air nozzle connecting device and a first waste gas kicking channel; the conveying and kicking waste gas nozzle is arranged at the rear side of the first detection station device and is arranged at the front end of the gas nozzle connecting device; the rear end of the air nozzle connecting device is fixed on the back plate, a first angle adjusting screw block is arranged in the air nozzle connecting device, and the first angle adjusting screw block is used for rotatably adjusting an included angle between the transmission kicking waste gas nozzle and the circular belt; the first waste kicking channel is arranged on the opposite side of the conveying waste gas kicking nozzle and used for collecting the medical piston to be detected blown off by the conveying waste gas kicking nozzle on the circular belt; the industrial personal computer is also used for judging whether the medical piston to be detected is a waste product or not according to the first image, and if so, the industrial personal computer controls the conveying to kick the waste gas nozzle to blow.

In any one of the above technical solutions, further, the second image at least includes an end image and a cylindrical image, and the rotation detection station apparatus further includes: the second detection station device, the third detection station device, the fourth detection station device and the lens baffle; the structure of the second detection station device is the same as that of the third detection station device, the second detection station device is arranged on the opposite side of the third detection station device and arranged on the right lower side of the air suction turntable conveying device, the second detection station device comprises a second camera and a point light source, the second camera is vertically arranged along the vertical direction, the point light source is obliquely arranged, light rays emitted by the point light source are intersected with the visual range of the second camera, and the second camera is used for acquiring an end face image of the medical piston to be detected adsorbed on the air suction turntable conveying device; the lens baffle is arranged above the second camera in a downward inclined mode and used for enabling the medical piston to be detected falling above the second camera to slide down; the fourth detection station device is arranged right above the air suction turntable conveying device, the structure of the fourth detection station device is the same as that of the first detection station device, and the fourth detection station device is used for acquiring the cylindrical image of the medical piston to be detected adsorbed on the air suction turntable conveying device.

In any one of the above technical solutions, further, the detection system further includes: the adsorption waste gas kicking nozzle is arranged on the first waste gas kicking channel; the adsorption kicking waste gas nozzle is arranged behind the fourth detection station device along the rotation direction of the air suction turntable conveying device; the second waste kicking channel is arranged on the opposite side of the adsorption waste gas kicking nozzle and is used for collecting the medical piston to be detected blown off by the adsorption waste gas kicking nozzle on the air suction turntable conveying device; the industrial personal computer is also used for judging whether the medical piston to be detected is a waste product or not according to the second image, and if so, the industrial personal computer controls the adsorption kick waste gas nozzle to blow.

Among any one of the above-mentioned technical scheme, furtherly, detecting system still includes linking device, links up the device and sets up between circular vibrator's discharge gate and detecting system's feed inlet, and linking device includes: the device comprises a round rod bracket, a transition plate, a flat nozzle and a fixed bracket; the round bar support is arranged at the front end of the transmission conveying device and at least comprises a fixed bar, a longitudinal adjusting bar and a transverse adjusting bar, the bottom of the fixed bar is fixedly arranged at the front end of the back plate, the rear end of the longitudinal adjusting bar is connected to the top of the fixed bar, the longitudinal adjusting bar is perpendicular to the fixed bar and can move up and down along the length direction of the fixed bar, the rear end of the transverse adjusting bar is connected to the front end of the longitudinal adjusting bar, the transverse adjusting bar is perpendicular to the fixed bar and the longitudinal adjusting bar at the same time, the transverse adjusting bar can horizontally move along the length direction of the transverse adjusting bar, the front end of the transverse adjusting bar is provided with a transition plate, and the transition plate is used for transmitting a medical piston to be detected at the discharge port of the round vibrator to the transmission conveying device; the fixed support is arranged at the rear side of the round rod support, the fixed end of the fixed support is fixed on the back plate, and the connecting end of the fixed support is provided with a flat nozzle; the flat nozzle is positioned above the transition plate and is right opposite to the joint of the transition plate and the transmission conveying device.

In any one of the above technical solutions, further, the driven wheel of the transmission conveying device includes: the device comprises a rotating shaft, a first bearing, a moving wheel bearing seat, a belt specification part and a gland; the rotating shaft is of a stepped columnar structure, one end with the large diameter of the rotating shaft is arranged on the back plate, and two first bearings are arranged on the rotating shaft in parallel; the movable wheel bearing seat is sleeved outside the two first bearings and is of a T-shaped structure, and the head of the movable wheel bearing seat is provided with at least two positioning grooves; the center of the gland is in threaded connection with one end of the rotating shaft with a small diameter through a first screw; the outer side of movable wheel shaft bearing is located to belt specification spare cover, is provided with two equidistant belt grooves on the belt specification spare, and the edge of belt specification spare one side is provided with two at least locating pins, and the locating pin inserts the constant head tank in order to realize the location between belt specification spare and the movable wheel shaft bearing, and the edge of belt specification spare passes through the afterbody threaded connection of second screw and movable wheel shaft bearing.

In any one of the above technical solutions, further, the detection system further includes: the angle adjusting stud, the blowing device and the material returning box; the angle adjusting stud is arranged in front of the first detection station device, and a fixing plate of the angle adjusting stud is arranged on the back plate; an air blowing nozzle is arranged above the blowing device, a second angle adjusting screw block is arranged below the blowing device, the second angle adjusting screw block is in threaded connection with an angle adjusting stud, and the second angle adjusting screw block rotates on the angle adjusting stud to adjust an included angle between the air blowing nozzle and the circular belt; the material returning box is arranged on the opposite side of the material blowing air nozzle and is used for collecting the medical piston to be detected blown off by the air blowing air nozzle on the circular belt.

In any one of the above technical solutions, further, the feeding system further includes: the device comprises a circular storage bin, a cache box, a cover plate, a linear vibrator and a sensor; the buffer box is horizontally arranged, a discharge hole at the front end of the buffer box is positioned in the center position above the circular vibrator, a cover plate is arranged above the buffer box, and a material through hole is formed in the cover plate; the circular storage bin is arranged above the buffer tank, the bottom of the circular storage bin is communicated with the material through hole in the cover plate through a connecting pipe, and a medical piston to be detected stored in the circular storage bin enters the buffer tank through the connecting pipe; the linear vibrator is arranged below the rear end of the buffer box, and when the linear vibrator is started, the medical piston to be detected in the buffer box moves forwards; the sensor sets up in the below of buffer case front end discharge gate, and the sensor is used for examining the height of examining medical piston in detecting circular vibrator.

In any one of the above technical solutions, further, the suction turntable conveying device further includes: the air suction back plate, the air suction cavity, the inner disc, the outer disc, the transmission main shaft, the rotating motor and the cushion block are arranged on the outer disc; the front surface of the air suction back plate is fixedly provided with an air suction cavity, the back surface of the air suction back plate is provided with a rotating motor, and the air suction back plate is provided with a shaft hole; the transmission main shaft penetrates through the shaft hole and the air suction cavity, the rear end of the transmission main shaft is connected to the rotating motor, the front end of the transmission main shaft sequentially penetrates through the inner disc and the outer disc, a cushion block is mounted at the top of the front end of the transmission main shaft, and the cushion block is used for fixing the outer disc at the front end of the transmission main shaft; the inner disc is arranged above the air suction cavity, the inner disc is internally provided with an air vent, an air suction gap is arranged between the inner disc and the outer disc, and a positioning sleeve is arranged between the inner disc and the outer disc so as to ensure that the inner disc and the outer disc rotate in the same direction under the action of a rotating motor and a transmission main shaft; still be provided with the connecting pipe that induced drafts on the backplate that induced drafts, the connecting pipe intercommunication that induced drafts cavity and air suction fan, wherein, the clearance of induced drafting, ventilation hole, the cavity of induced drafting, the connecting pipe that induced drafts constitute the passageway that induced drafts, and the clearance of induced drafting is used for adsorbing and waits to examine medical piston.

The beneficial effect of this application is:

technical scheme in this application through set up devices such as circular feed bin, buffer tank, linear vibrator, sensor and circular vibrator in feed system, has realized the automatic feeding in medical piston testing process to detect the height of medical piston in the circular vibrator through the sensor, adjust linear vibrator's feed rate, feed volume, help guaranteeing detecting system's steady feed and steady operation.

This application is still through having set up linking device and flat mouth to the cooperation air cock of blowing makes the medical piston that gets into first detection station device be in the state of lying, has guaranteed that medical piston can be steadily passed through to the crack between two circular belts of transmission conveyor by circular vibrator. And through adjusting the driving wheel, the driven wheel and the auxiliary wheel, the transition plate and the belt specification piece with different sizes and specifications are combined, so that the detection machine can detect medical pistons with different specifications, and the product universality is high.

In order to solve the problems of rotation and turnover of the medical piston, the efficient air suction turntable conveying device is further arranged, and a gap is formed between the inner disc and the outer disc by arranging the inner disc and the outer disc and combining the positioning sleeve, the conveying main shaft and other structures to serve as a conveying channel of the medical piston. Through setting up the cavity that induced drafts again, the connecting pipe that induced drafts combines together with the fan that induced drafts for form the negative pressure between the inside and outside dish, so that adsorb little and light medical piston, and then realized absorption, transmission, rotation, the turn-over of medical piston, overall structure is simple, and because its inside and outside dish is circular, when rotating, can demonstrate all the other surfaces except that the adsorption plane well. And, because form the clearance as the transmission path between the interior outer lane, consequently, through changing the position sleeve, then can realize the regulation of the clearance that induced drafts between interior outer lane, adjust transmission path promptly to be applicable to the product of different dimensions, the commonality is strong.

According to the medical piston belt detection device, the first detection station device is arranged on the horizontally moving transmission conveying device, and a cylindrical surface above the medical piston belt is detected; the rotary air suction turntable conveying device is provided with a rotary detection station device, the second detection station device and the third detection station device are used for detecting the end face of the medical piston, the fourth detection station device is used for detecting the other cylindrical surface of the medical piston, so that all-dimensional and dead-angle-free detection of the medical piston is realized, in order to improve the accuracy and reliability of cylindrical surface detection, the first detection station device and the fourth detection station device are also provided with a bar-shaped light source and a reflector, and the accuracy of acquiring cylindrical images by a camera is improved.

Drawings

The advantages of the above and/or additional aspects of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a fully automated medical piston inspection machine according to one embodiment of the present application;

FIG. 2 is a schematic view of a feed system according to an embodiment of the present application;

FIG. 3 is a schematic view of an engagement device according to one embodiment of the present application;

FIG. 4 is a front view of a detection system according to one embodiment of the present application;

FIG. 5 is a schematic view of a drive conveyor according to an embodiment of the present application;

FIG. 6 is a schematic view of a feed back device according to an embodiment of the present application;

FIG. 7 is a schematic view of a driven wheel according to one embodiment of the present application;

FIG. 8 is a schematic view of a first inspection station apparatus according to one embodiment of the present application;

FIG. 9 is a schematic view of a suction carousel according to an embodiment of the present application;

FIG. 10 is a schematic view of a suction cavity according to an embodiment of the present application;

FIG. 11 is a schematic view of a drive spindle and a locating sleeve according to one embodiment of the present application;

FIG. 12 is a schematic view of a rotary inspection station apparatus according to one embodiment of the present application;

FIG. 13 is a rear view of a detection system according to one embodiment of the present application.

Detailed Description

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

As shown in fig. 1, the present embodiment provides a fully automatic medical piston detector, which includes: the feeding system 10 is provided with a circular vibrator 11, a discharge hole of the circular vibrator 11 is connected to a feed hole of the detection system 20, and the circular vibrator 11 transmits the medical piston 101 to be detected to the detection system 20 in a spiral vibration feeding mode, and serves as a main feeding device of the full-automatic medical piston detector in the embodiment.

Further, in order to improve the feeding efficiency and reduce the labor cost of the feeding operation, as shown in fig. 2, the feeding system 10 further includes: a circular storage bin 13, a buffer box 14, a cover plate 15, a linear vibrator 12 and a sensor 16; the buffer box 14 is horizontally arranged, a discharge hole in the front end of the buffer box 14 is located in the center above the circular vibrator 11, a cover plate 15 is installed above the buffer box 14, and a material through hole is formed in the cover plate 15.

Circular feed bin 13 sets up in cache case 14's top, will wait to examine medical piston 101 and pour into circular feed bin 13 in, the bottom of circular feed bin 13 passes through the material through-hole of connecting pipe intercommunication on apron 15, and the medical piston 101 of waiting to examine that stores in circular feed bin 13 gets into cache case 14 through the connecting pipe.

In this embodiment, through position about the adjustment connecting pipe, change the size in clearance between connecting pipe and the buffer case 14, the steerable circular feed bin 13 is interior to be examined medical piston 101 and is got into the quantity of buffer case 14.

The linear vibrator 12 is disposed below the rear end of the buffer tank 14, and when the linear vibrator 12 is activated, the medical piston 101 to be tested in the buffer tank 14 is moved forward.

The cover plate 15 in this embodiment is made of a transparent acrylic plate, and can prevent the linear vibrator 12 from vibrating too much, which causes the medical piston 101 to be inspected in the buffer tank 14 to scatter on the work table.

Under the action of the linear vibrator 12, the medical pistons 101 to be detected in the buffer tank 14 uniformly fall into the circular disc of the circular vibrator 11, and then the medical pistons 101 to be detected are horizontally laid one by one and conveyed end to a discharge port by the combination of the vibration of the circular vibrator 11 and a material channel, and finally enter the detection system 20.

In this embodiment, in order to prevent the number of the medical pistons 101 to be tested from being too large in the circular vibrator 11, the sensor 16 is disposed below the discharge hole at the front end of the buffer tank 14, and the sensor 16 is used for detecting the height of the medical pistons 101 to be tested in the circular vibrator 11. When the sensor 16 detects that the height of the medical piston 101 to be detected in the circular vibrator 11 reaches a certain height, a feeding stop signal is sent to the industrial personal computer, and the industrial personal computer controls the linear vibrator 12 to stop working.

Further, in order to enable the medical piston 101 to be detected in the discharge port of the circular vibrator 11 to smoothly enter the detection system 20 and avoid the influence of the vibration of the circular vibrator 11 on the detection system 20, the detection system 20 further comprises a linking device 21, the linking device 21 is arranged between the discharge port of the circular vibrator 11 and the feed port of the detection system 20, and the linking device 21 is not connected with the discharge port which is directly vibrated and is static. The engaging device 21 includes: a round rod support 215, a transition plate 216, a flat mouth 217 and a fixed support 218.

As shown in fig. 3, the round rod support 215 is disposed at the front end of the transmission conveying device 23, the round rod support 215 at least includes a fixed rod, a longitudinal adjusting rod and a transverse adjusting rod, the bottom of the fixed rod is fixedly mounted at the front end of the back plate 224, the rear end of the longitudinal adjusting rod is connected to the top of the fixed rod, the longitudinal adjusting rod is perpendicular to the fixed rod and can move up and down along the length direction of the fixed rod, the rear end of the transverse adjusting rod is connected to the front end of the longitudinal adjusting rod, the transverse adjusting rod is perpendicular to the fixed rod and the longitudinal adjusting rod, the transverse adjusting rod can move horizontally along the length direction of the transverse adjusting rod, the front end of the transverse adjusting rod is provided with a transition plate 216, and the transition plate 216 is used for transmitting the medical piston 101 to be detected at the discharge port of the circular vibrator 11 to the circular belt 219 in the transmission conveying device; the relative positions of the fixed rod, the longitudinal adjusting rod and the transverse adjusting rod in the round rod support 215 are adjusted, so that the groove of the transition plate 216 is just opposite to the gap between the two round belts 219, the closer the groove is, the better the groove is, the circular vibrator 11 vibrates the medical piston 101 to be detected to the transition plate 216 through vibration, and the medical piston 101 to be detected on the transition plate 216 is pushed into the gap between the two round belts 219 by utilizing the forward thrust of the vibration.

It should be noted that the type of the transition plate 216 can be adjusted according to the type of the medical piston 101 to be detected, so that the fully automatic medical piston detector can be compatible with more medical pistons 101 to be detected with different specifications.

In order to make the medical piston 101 to be detected fall into the gap between the two circular belts 219 from the transition plate 216 more stably, a flat nozzle 217 needs to be additionally arranged above the joint of the two belts to blow air downwards.

Specifically, the fixing bracket 218 is arranged at the rear side of the round bar bracket 215, the fixing end of the fixing bracket 218 is fixed on the back plate 224, and the flat mouth 217 is installed at the connecting end of the fixing bracket 218; flat mouth 217 is located above transition plate 216, and flat mouth 217 is right opposite to the junction of transition plate 216 and the transmission conveying device. Through adjusting fixed bolster 218, adjust flat mouth 217 to suitable position, make the medical piston 101 of examining under the effect of gas, more stable in the time of the transition to place a material receiving box 22 below it, avoid examining medical piston 101 of examining and drop to the deck plate when passing through.

In the embodiment, the visual detection method is applied to the detection of the medical piston 101 to be detected, and by arranging the first detection station device 26 and the rotary detection station device, the defects of the two end surfaces and the whole cylindrical surface of the medical piston 101 to be detected are detected, so that the full-automatic non-blind-area detection of the medical piston 101 to be detected is realized, and the automatic waste kicking device is combined to automatically eliminate defective products, so that the detection speed is high, the detection precision is high, the subsequent upgrading capability is strong, and the method is simple and easy to use.

As shown in fig. 4 and 5, the detection system (20) includes: the device comprises a box body, a transmission conveying device, a first detection station device 26, an air suction turntable conveying device 29, a rotation detection station device, a finished product channel 213, two waste kicking channels and an industrial personal computer; the side wall of the box body is provided with a through hole which is used as a feed inlet of the detection system (20), and the box body is provided with a back plate 224 along the length direction and used as a structure for installing a transmission conveying device, a first detection station device 26, an air suction turntable conveying device 29, a rotation detection station device and the like.

An upright column 225 is arranged below the back plate 224, a groove is formed in the top of the upright column 225, the back plate 224 is attached to the inner wall of the groove after being inserted into the groove, an adjusting hole is formed below the back plate 224, an adjusting plate 226 is further arranged on the upright column 225, an adjusting screw rod is connected between the adjusting plate 226 and the back plate 224, and the adjusting screw rod is inserted into the adjusting hole;

specifically, the transmission conveying device mainly functions to transition the medical piston 101 to be detected on the circular vibrator 11 into a crack of the two circular belts 219, detect the cylindrical surface on one side of the medical piston 101 to be detected, convey the cylindrical surface to the lower part of the air suction turntable conveying device 29 for adsorption, and detect the two end faces and the cylindrical surface on the other side of the medical piston 101 to be detected.

As shown in fig. 6, further, the detecting system (20) further comprises a material returning device, when the medical piston 101 to be detected falls into the gap between the two circular belts 219, a respective medical piston 101 to be detected does not lie flat in the gap between the two circular belts 219, and in order to ensure that the first optical fiber 235 can be triggered and a cylindrical image (first image) meeting the standard can be acquired, the medical piston 101 to be detected must lie flat and sequentially pass through the first optical fiber, so that the medical piston 101 to be detected which does not lie flat in the gap between the circular belts 219 needs to be blown into the material returning device by compressed air through the air blowing nozzle at the front end thereof. This feed back device includes: angle adjusting studs 234, blowing device 25 and feed back box 24; the angle adjusting stud 234 is arranged in front of the first detection station device 26, and a fixing plate of the angle adjusting stud 234 is arranged on the back plate 224; an air blowing nozzle is arranged above the blowing device 25, a second angle adjusting screw block is arranged below the blowing device 25, the second angle adjusting screw block is in threaded connection with the angle adjusting stud 234, and the second angle adjusting screw block rotates on the angle adjusting stud 234 to adjust the included angle between the air blowing nozzle and the circular belt 219; the material returning box 24 is arranged at the opposite side of the air blowing nozzle, and the material returning box 24 is used for collecting the medical piston 101 to be detected blown off by the air blowing nozzle on the circular belt 219.

Specifically, the angle of the air blowing nozzle and the angle of the medical piston 101 to be detected in the crack are adjusted by adjusting the second angle adjusting screw block, so that the medical piston 101 to be detected which is not laid down is blown into the material returning box 24 for collection, the medical piston 101 to be detected in the material returning box 24 is not detected and can be poured into the feeding system 10 again, and the detection is performed after the material is rearranged. The cover plate above the material returning box 24 is made of transparent acrylic and is fixed on the adjusting frame, the number of the medical pistons 101 to be detected in the material returning box 24 can be observed, and if the medical pistons 101 to be detected in the material returning box 24 below are required to be taken down, the adjusting frame is only required to be lifted upwards, and the material returning box 24 is pulled out.

In this embodiment, the transmission conveying device is installed on the back plate 224, the transmission conveying device at least includes a transmission motor 223, a driving wheel 222, a driven wheel 220 and two circular belts 219, two belt slots with equal intervals are formed in the driving wheel 222 and the driven wheel 220, the two circular belts 219 are arranged in the two belt slots, so that the driving wheel 222 drives the driven wheel 220 to rotate when rotating, the driving wheel 222 is connected to the transmission motor 223, the transmission motor 223 drives the driving wheel 222 to rotate when rotating, and a gap between the two circular belts 219 is used for conveying the medical piston 101 to be detected;

furthermore, because the medical pistons 101 to be detected are of a plurality of types, in order to facilitate the smooth forward conveying of the medical pistons 101 to be detected of different specifications to the lower side of the air suction turntable conveying device 29 in the gap between the two circular belts 219, the belt specification parts on the driven wheel device 220, the driving wheel 222 and the auxiliary wheel need to be changed, the distance between the two circular belts 219 is changed, and the medical pistons 101 to be detected can better lie in the gap between the two circular belts 219 and move forward.

As shown in fig. 7, the present embodiment shows an implementation of the driven wheel 220, and the driven wheel 220 includes: a rotating shaft 229, a first bearing 230, a moving wheel bearing seat 231, a belt gauge 233, a gland 232; the rotating shaft 229 is of a stepped cylindrical structure, one end of the rotating shaft 229 with a large diameter is mounted on the back plate 224, two first bearings 230 are mounted on the rotating shaft 229, and the two first bearings 230 are arranged in parallel; the movable wheel bearing 231 is sleeved outside the two first bearings 230, the movable wheel bearing 231 is of a T-shaped structure, the head of the movable wheel bearing 231 is provided with at least two positioning grooves 227, and the head of the movable wheel bearing 231 is located at one end of the driven wheel 220; the pressing cover 232 is arranged at the other end of the driven wheel 220, the cover plate 232 is positioned at the inner side of the belt gauge 233, and the center of the pressing cover 232 is in threaded connection with one end of the rotating shaft 229, which has a small diameter, through a first screw; the belt specification member 233 is sleeved on the outer side of the movable wheel bearing 231, two belt grooves with equal intervals are arranged on the belt specification member 233, at least two positioning pins 228 are arranged on the edge of one side of the belt specification member 233, the positioning pins 228 are inserted into the positioning grooves 227 to realize the positioning between the belt specification member 233 and the movable wheel bearing 231, and the edge of the belt specification member 233 is in threaded connection with the tail of the movable wheel bearing 231 through second screws.

Further, the transmission conveying device further comprises: and the auxiliary wheels 221, a plurality of auxiliary wheels 221 are arranged between the driving wheel 222 and the driven wheel 220, and the auxiliary wheels 221 and the driven wheel 220 have the same structure.

Specifically, the two first bearings 230 are first installed at two ends of the movable wheel bearing seat 231, the rotating shaft 229 is installed in the two first bearings 230, the movable wheel bearing seat 231 is fixed on the rotating shaft 229 by the pressing cover 232 through screws, the belt gauge 233 is sleeved on the movable wheel bearing seat 231, the two positioning grooves 227 on the movable wheel bearing seat 231 correspond to and are clamped into the two positioning pins 228 (bosses) on the belt gauge 233, and finally the belt gauge 233 is fixed on the movable wheel bearing seat 231 through screws.

The four auxiliary wheels 221 here function:

1) the circular belt 219 is dragged and does not droop under the influence of gravity, so that the forward running stability of the circular belt 219 is improved;

2) stabilize the interval of two circular belts 219, because two circular belts 219 length are longer, if do not add auxiliary wheel 221, circular belt 219 can outwards or inside varicose, and big time is little when making two circular belts 219 cracks, wait to examine medical piston 101 walk on two circular belts 219 unstably like this, wait to examine medical piston 101 and have harmful effects when obtaining image detection.

This embodiment shows an implementation manner of the first detection station device 26, as shown in fig. 8, the first detection station device 26 is disposed at a middle position of the transmission conveying device 23, and the first detection station device 26 includes a vertical fixing plate 236, a camera fixing and mounting plate 237, a light source fixing plate 238, a first camera 239, a first bar light source 241, a second bar light source 242, and a reflective mirror 240, wherein the bottom of the vertical fixing plate 236 is fixed on the back plate 224, the middle of the vertical fixing plate 236 is fixed with the light source fixing plate 238, and the top of the vertical fixing plate 236 is fixed with the camera fixing and mounting plate 237.

The two first strip-shaped light sources 241 are respectively fixed at two sides of the bottom of the light source fixing plate 238, the second strip-shaped light source 242 is fixed at the middle position of the light source fixing plate 238, the light converging area of the two first strip-shaped light sources 241 and the second strip-shaped light source 242 is positioned above a gap between the two circular belts 219, the two reflectors 240 are respectively positioned above the two first strip-shaped light sources 241, the reflectors 240 are fixed on the light source fixing plate 238, the two first cameras 239 are respectively fixed at two sides of the camera fixing mounting plate 237, the visual range of the two first cameras 239 is converged above the gap between the two circular belts 219 through the reflection of the reflectors 240, and the first cameras 239 are used for acquiring a first image of the medical piston 101 to be detected on the circular belts 219 and sending the first image to the industrial personal computer;

specifically, the two first cameras 239 are mounted on the camera fixing plate 243 and then mounted on the camera fixing mounting plate 237 together, the object distance can be adjusted by adjusting the up-down position of the first camera 239 through screws on the back surface, the mirror 240 device is fixedly mounted on the light source fixing plate 238, the angle of the mirror 240 can be adjusted through screws, the two first bar-shaped light sources 241 are mounted on the light source fixing plate 238, and the angle of the first bar-shaped light source 241 to the medical piston 101 to be inspected can be adjusted through screws.

When the medical piston 101 to be detected, which is horizontally laid in the gap between the two circular belts 219, passes through the first optical fiber 235, the first detection station device 26 is triggered to work, a trigger signal of the first optical fiber 235 is transmitted to the industrial personal computer, the industrial personal computer controls the first bar-shaped light source 241 and the second bar-shaped light source 242 to be exposed simultaneously, and meanwhile, a machine vision detection principle is adopted to perform half cylindrical surface (first image) defect detection on the medical piston 101 to be detected in the reflective mirror 240 by the two first cameras 239.

Further, the detection system 20 further includes: a transfer kick waste gas nozzle 27, a gas nozzle connecting device, a first kick waste channel 28; the conveying and kicking waste gas nozzle 27 is arranged at the rear side of the first detection station device 26, and the conveying and kicking waste gas nozzle 27 is arranged at the front end of the air nozzle connecting device; the rear end of the air nozzle connecting device is fixed on the back plate 224, and a first angle adjusting screw block is arranged in the air nozzle connecting device and used for rotatably adjusting an included angle between the transmission kicking waste gas nozzle 27 and the circular belt 219; the first waste kicking channel 28 is arranged at the opposite side of the conveying waste kicking nozzle 27, and the first waste kicking channel 28 is used for collecting the medical piston 101 to be detected blown off by the conveying waste kicking nozzle 27 on the circular belt 219; the industrial personal computer is also used for judging whether the medical piston 101 to be detected is a waste product or not according to the first image, and if so, the industrial personal computer controls the conveying and kicking waste gas nozzle 27 to blow.

Specifically, if it is defective to detect out the medical piston 101 of examining, set up at the rear side of first detection station device 26 and play useless device and include: waste gas mouth 27 is played in the conveying, air cock connecting device, waste passageway 28 is played first, when waiting to examine medical piston 101 and arrive first waste passageway 28 position of playing, through the photoelectric technology control signal, the industrial computer sends the gas blowing signal to connect in the conveying and plays the high frequency solenoid valve of waste gas mouth 27, waste gas mouth 27 is played in the conveying and blows, wait to examine medical piston 101 with the defect and reject to play in waste passageway 28 first, get into the defective products case at last and collect, if it is flawless to examine medical piston 101 to examine, continue transmission forward, reach induced draft carousel conveyer 29 below, carry out the defect detection of next procedure.

Preferably, a plurality of auxiliary wheels 221 are respectively disposed on both sides of the position of the first waste kicking channel 28 and the material returning box 24.

In this embodiment, the air suction turntable conveyer 29 is arranged at the rear end of the transmission conveyer 23, and the air suction turntable conveyer 29 is used for adsorbing the medical piston 101 to be detected on the circular belt 219 and driving the adsorbed medical piston 101 to be detected to rotate;

as shown in fig. 9, the present embodiment provides an implementation of an air suction turntable conveying device, which is used for performing adsorption conveying on a medical piston 101 to be detected so as to detect the adsorbed medical piston 101 to be detected. The device includes: an air suction back plate 2901, an air suction cavity 2902, an inner disc 2093, an outer disc 2904, a transmission main shaft 2905, a rotating motor 2906 and a cushion block 2907. The air suction back plate 2901 serves as an installation plate, an air suction cavity 2902 is fixedly installed on the front surface of the air suction back plate 2901, a rotating motor 2906 is installed on the back surface of the air suction back plate 2901, and a shaft hole and an air suction connecting pipe 2913 are arranged on the air suction back plate 2901.

When the rotary electric machine 2906 is installed, the apparatus further includes: a motor fixing upright 2911 and a coupler 2912; the motor fixing column 2911 is disposed on the back of the air suction back plate 2901, and the motor fixing column 2911 is used to support and fix the rotating motor 2906; the coupling 2912 is provided between the main shaft of the rotation motor 2906 and the rear end of the transmission main shaft 2905.

Specifically, four motor fixing posts 2911 are installed on the back of the air suction back plate 2901, the rotating motor 2906 is fixed on the four motor fixing posts 2911 through screws, one end of a coupler 2912 is installed on the spindle of the rotating motor 2906, and the other end of the coupler 2912 is installed at the rear end of the transmission spindle 2905, so that the rotating motor 2906 drives the transmission spindle 2905 to rotate through the coupler 2912.

In this embodiment, the air suction connecting tube 2913 is connected to the air suction cavity 2902 and the air suction fan, and the air suction cavity 2902 is connected to a chamber formed by the inner disc 2093 and the outer disc 2904, wherein the inner disc 2093 and the outer disc 2904 are not tightly attached to each other, and a certain gap is provided between the inner disc 2093 and the outer disc 2904 and is referred to as an air suction gap.

When the induced draft fan moves, the air in the cavity 2902 that induced drafts is extracted through the connecting pipe 2913 that induced drafts, because the cavity intercommunication that induced drafts the cavity 2902 and inner disc 2093 and outer disc 2904 constitute, at this moment, the cavity that inner disc 2093 and outer disc 2904 constitute is inside will produce the negative pressure, under the effect of negative pressure, absorbs external air through the clearance that induced drafts, when examining medical piston 101 through the clearance that induced drafts, will be adsorbed between inner disc 2093 and outer disc 2904. Wherein, the size of the air suction gap is determined by the factors such as the external diameter size, the weight and the like of the medical piston 101 to be detected.

In this embodiment, the driving spindle 2905 passes through the shaft hole and the air suction cavity 2902, the rear end of the driving spindle 2905 is connected to the rotating motor 2906, the front end of the driving spindle 2905 sequentially passes through the inner disc 2093 and the outer disc 2904, the top of the front end of the driving spindle 2905 is provided with a cushion block 2907, and the cushion block 2907 is used for fixing the outer disc 2904 to the front end of the driving spindle 2905.

Specifically, the driving shaft 2905 passes through the shaft hole of the suction back plate 2901 to connect the rotating motor 2906 with the suction cavity 2902, the inner disc 2093, the outer disc 2904 and the cushion 2907. Therefore, when the rotating motor 2906 rotates, the transmission main shaft 2905 drives the inner disc 2093 and the outer disc 2904 to rotate, so that the medical piston 101 to be detected is transmitted, and the medical piston 101 to be detected which is adsorbed between the inner disc 2093 and the outer disc 2904 is detected.

Further, as shown in fig. 10, the air suction cavity includes a spindle mounting cavity 2915, an air suction cavity 2916, and a shielding cavity 2917, the spindle mounting cavity 2915 is located at the center of the air suction cavity 2916, the spindle mounting cavity 2915 is communicated with the shielding cavity 2917, second bearings 2914 are mounted at two ends of the spindle mounting cavity 2915, and the second bearings 2914 are used for mounting the transmission spindle 2905. By arranging the spindle mounting cavity 2915 and the shielding cavity 2917 in the air suction cavity, on one hand, the air tightness in the process of mounting the transmission spindle 2905 is ensured, and an air inlet is prevented from being increased; on the other hand, it helps to ensure that the negative pressure in the chamber formed by the inner disc 2093 and the outer disc 2904 is sufficient to suck the medical piston 101 to be examined.

It should be noted that the size and the position of the shielding cavity 2917 can be set according to the transmission and detection requirements of the medical piston 101 to be detected, so as to ensure that the medical piston 101 to be detected can be normally transmitted and detected.

As for the air suction cavity 2916, the air suction cavity 2916 in this embodiment may be configured as a semi-ring shape with a radian greater than or equal to 270 degrees, at least two connection holes 2918 are further disposed in the air suction cavity 2916, the connection holes 2918 are symmetrically distributed along a center line of the air suction cavity 2916 (where one diameter of the air suction cavity 2902 of the center line coincides), and the connection holes 2918 are used to connect to the air suction connection pipe 2913, so that the air suction fan can draw air in the air suction cavity 2916.

Furthermore, bearing grooves are formed in two ends of the main shaft installation cavity 2915, two second bearings 2914 are installed in the bearing grooves in the two ends of the main shaft installation cavity 2915, and then the bottom of the air suction cavity 2902 is fixedly installed on the air suction back plate 2901 through bolts, so that the bearings in the lower end of the main shaft installation cavity 2915 are fixed, and the movement of the bearings is prevented.

For bearings in the upper end of spindle mounting cavity 2915, the apparatus further includes: induced draft cavity clamp plate 2910 for the bearing in the fixed main shaft installation cavity 2915 upper end, induced draft cavity clamp plate 2910 sets up in the top of induced draft cavity 2902 through the bolt fastening, fixes the bearing in main shaft installation cavity 2915 upper end. In addition, in order to discharge air in the chamber formed by the inner disc 2093 and the outer disc 2904 through the suction fan, the suction cavity pressing plate 2910 is provided with a suction opening which is opposite to the suction cavity 2916 and has the same structure and size as the suction cavity 2916. However, to ensure structural stability, a connecting rod may be provided, which may be positioned at the centerline of suction chamber 2916.

Further, the inner disc 2093 is disposed above the air suction cavity 2902, a plurality of air holes are disposed in the inner disc 2093, an air suction gap is disposed between the inner disc 2093 and the outer disc 2904, and a positioning sleeve is disposed between the inner disc 2093 and the outer disc 2904, so that the inner disc 2093 and the outer disc 2904 rotate in the same direction under the actions of the rotating motor 2906 and the transmission main shaft 2905; wherein, the air suction gap, the air vent, the air suction cavity 2902 and the air suction connecting pipe 2913 form an air suction channel for the air suction fan to extract air in the cavity chamber formed by the inner disc 2093 and the outer disc 2904.

As shown in fig. 11, this embodiment shows an implementation manner of a positioning sleeve, and the positioning sleeve includes: an inner disc positioning sleeve 2908 and an outer disc positioning sleeve 2909, wherein a transmission main shaft boss 2919 is arranged on the transmission main shaft 2905; through setting up transmission main shaft boss 2919, on the one hand combine interior dish position sleeve 2908, outer dish position sleeve 2909, realize fixed to interior dish 2093 and outer dish 2904, on the other hand, can also be through the thickness of adjustment transmission main shaft boss 2919, realize the regulation to the interval between air suction cavity clamp plate 2910 and the interior dish 2093, this interval is about 0.5mm, under the prerequisite of guaranteeing certain gas tightness, still avoid interior dish 2093 to cause the friction with air suction cavity clamp plate 2910 when rotatory, produce the powder, pollute and examine medical piston 101.

In this embodiment, the front end of the inner disc positioning sleeve 2908 is provided with a front groove 2921 and an inner disc fixing screw hole, the rear end of the inner disc positioning sleeve 2908 is provided with a rear groove 2920, the rear groove 2920 is used for being clamped into the transmission main shaft boss 2919 when the inner disc positioning sleeve 2908 passes through the transmission main shaft 2905, so that the inner disc positioning sleeve 2908 rotates along with the transmission main shaft 2905, and the inner disc fixing screw hole is used for fixing the inner disc 2093 on the inner disc positioning sleeve 2908 in a screw connection manner;

specifically, after the air suction cavity pressure plate 2910, the second bearing 2914, the driving spindle 2905, the coupler 2912 and the rotating motor 2906 are fixed, the inner disc positioning sleeve 2908 is fixed on the inner side of the inner disc 2093 by screws, so that the rear groove 2920 of the inner disc positioning sleeve 2908 penetrates through the inner disc 2093 and is clamped into the driving spindle boss 2919, and the inner disc positioning sleeve 2908 rotates along with the driving spindle 2905.

In this embodiment, the rear end of the outer disc positioning sleeve 2909 is provided with an outer disc boss 2922 and an outer disc fixing screw hole, the outer disc fixing screw hole is used for fixing the outer disc 2904 on the outer disc positioning sleeve 2909 by a screw connection manner, and the outer disc boss 2922 is used for being clamped into the front groove 2921 of the inner disc positioning sleeve 2908 when the outer disc positioning sleeve 2909 passes through the transmission main shaft 2905, so that the outer disc 2904 rotates along with the transmission main shaft 2905.

Specifically, after the rear groove 2920 of the inner disc positioning sleeve 2908 is snapped into the driving spindle boss 2919, the outer disc positioning sleeve 2909 is fixed to the outer side of the outer disc 2904 by screws, and after the mounting is completed, the outer disc positioning sleeve 2909 is sleeved on the driving spindle 2905, and the outer disc boss 2922 is inserted into the front groove 2921 of the inner disc positioning sleeve 2908.

The cushion block 2907 is used for covering the outer disc positioning sleeve 2909, and the cushion block 2907 is fixed on the transmission main shaft 2905 by screws, so that the inner disc and the outer disc do not move back and forth, the outer disc 2904 and the inner disc 2093 are fixed, and the relative displacement between the outer disc 2904 and the inner disc 2093 in the rotation process is avoided.

When the air suction turntable conveying device in this embodiment performs an operation, the two air suction connecting pipes 2913 are fixed to the rear side of the air suction back plate 2901 by screws, one end of each air suction connecting pipe penetrates through the air suction back plate 2901 to enter the air suction cavity 2902, and the other end of each air suction connecting pipe is connected with the air suction fan by a hose. After the air suction fan is started, negative pressure is formed inside the air suction cavity 2902, air between the inner disc and the outer disc is extracted, the medical piston 101 to be detected is adsorbed to an air suction gap formed by the inner disc 2093 and the outer disc 2904, finally, the rotating motor 2906 is started to drive the transmission main shaft 2905, the inner disc 2093 and the outer disc 2904 fixed on the inner positioning sleeve and the outer positioning sleeve are driven by the transmission main shaft 2905, and the inner disc 2093 and the outer disc 2904 rotate simultaneously to convey the medical piston 101 to be detected.

As shown in fig. 12, the suction carousel 29 rotates counterclockwise, as indicated by the dashed arrow in the figure. The rotation detection station device is arranged along the rotation direction of the air suction turntable conveying device 29 and is used for acquiring a second image of the medical piston 101 to be detected adsorbed on the air suction turntable conveying device 29 and sending the second image to the industrial personal computer;

further, the second image includes terminal surface image and cylinder image at least, and the below of carousel conveyer 29 that induced drafts still is provided with second optic fibre 247, treats waiting on circular belt 219 that treat that medical piston 101 is adsorbed to the carousel conveyer 29 that induced drafts on, and carousel conveyer 29 anticlockwise rotation induced drafts through second optic fibre 247, gets into to rotate detection station device, and it includes to rotate detection station device: second inspection station apparatus 210, third inspection station apparatus 211, fourth inspection station apparatus 212, lens barrier 246;

the structure of the second detection station device 210 is the same as that of the third detection station device 211, the second detection station device 210 is arranged on the opposite side of the third detection station device 211, the second detection station device 210 is arranged on the right lower side of the air suction turntable conveying device 29, the second detection station device 210 comprises a second camera 244 and a point light source 245, the second camera 244 is vertically arranged along the vertical direction, the point light source 245 is obliquely arranged, light rays emitted by the point light source 245 intersect with the visual range of the second camera 244, and the second camera 244 is used for acquiring an end face image of the medical piston 101 to be detected adsorbed on the air suction turntable conveying device 29;

specifically, the second camera 244 forms an angle of 165 degrees with an end surface of the medical piston 101 to be inspected, which is adsorbed on the air suction turntable conveyer 29, and at this time, the light emitted by the second camera forms an angle of 135 degrees with the end surface of the medical piston 101 to be inspected by adjusting the point light source 245.

When the medical piston 101 to be detected reaches the front of the second detection station device 210, the second optical fiber 247 is triggered, a trigger signal of the second optical fiber 247 is transmitted to the industrial personal computer to control the point light source 245 to expose, and meanwhile, the second camera 244 acquires an end face image of the end face of the medical piston 101 to be detected to detect defects. Similarly, the third detection station device 211 detects a defect on the other end surface of the medical piston 101 to be detected, so as to detect the two end surfaces of the medical piston 101 to be detected.

In order to prevent the medical piston 101 to be inspected from falling on the lens of the second camera 244 and having an influence on the subsequent defect inspection, a lens baffle 246 is provided, the lens baffle 246 is arranged above the second camera 244 in a downward inclined manner, and the lens baffle 246 is used for sliding the medical piston 101 to be inspected falling above the second camera 244;

the fourth detection station device 212 is arranged right above the air suction turntable conveying device 29, the structure of the fourth detection station device 212 is the same as that of the first detection station device 26, and the fourth detection station device 212 is used for acquiring a cylindrical image of the medical piston 101 to be detected adsorbed on the air suction turntable conveying device 29.

Specifically, when the medical piston 101 to be detected adsorbed by the air suction turntable conveying device 29 enters the detection range of the fourth detection station device 212, the detection process is similar to that of the first detection station device 26, the cylindrical surface detection of the other side of the medical piston 101 to be detected is performed, the cylindrical surface detection is combined with the first image, the detection of the whole cylindrical surface of the medical piston 101 to be detected is completed, and the full-automatic and blind-area-free detection of the medical piston 101 to be detected is realized.

Further, the detection system 20 further includes: an adsorption kick waste gas nozzle 248, a second kick waste channel 249; the adsorption kick waste gas nozzle 248 is arranged behind the fourth detection station device 212 along the rotation direction of the suction turntable conveying device 29; the second waste kicking channel 249 is arranged at the opposite side of the adsorption waste gas kicking nozzle 248, and the second waste kicking channel 249 is used for collecting the medical piston 101 to be detected blown off by the adsorption waste gas kicking nozzle 248 on the air suction turntable conveying device 29; the industrial personal computer is also used for judging whether the medical piston 101 to be detected is a waste product or not according to the second image, and if so, the adsorption kicking waste gas nozzle 248 is controlled to blow.

Specifically, when examining medical piston 101 and all detect the completion back to all defects on induced draft carousel conveyer 29, through induced draft carousel conveyer 29 rotatory to the second and play useless passageway 249 position department, through the photoelectric technology control signal, the industrial computer sends the gas blowing signal to connect in adsorbing the high frequency solenoid valve who plays waste gas mouth 248, adsorb and play waste gas mouth 248 and blow, wait to examine medical piston 101 with the defect and reject induced draft carousel conveyer 29 with adsorbing and playing waste gas mouth 248, get into the second and play in useless passageway 249 smoothly to the defective goods collecting vessel.

In this embodiment, as shown in fig. 13, the finished product channel 213 is disposed at the rear side of the rotation detection station device along the rotation direction of the air suction turntable conveying device 29, the material receiving air nozzle 250 is disposed at the opposite side of the finished product channel 213, and the air blowing direction of the material receiving air nozzle 250 faces the edge of the air suction turntable conveying device 29; the industrial personal computer is used for judging whether the medical piston 101 to be detected is a qualified product or not according to the first image and the second image, and if so, the industrial personal computer controls the material receiving air nozzle 250 to blow air so as to blow the qualified product into the finished product channel 213.

Preferably, the material collecting air nozzle 250 is arranged above the upper edge of the shielding cavity 2917 to prevent the medical piston 101 to be detected from entering the shielding cavity 2917 area and falling onto the transmission conveying device to influence the stable operation of the device.

Further, the detection system 20 further includes: and the counting optical fiber 251 is arranged above the finished product channel 213, and the counting optical fiber 251 is used for counting the medical piston 101 to be detected blown into the finished product channel 213, namely counting the number of qualified products after detection.

Specifically, through the previous detection, the defective medical piston 101 to be detected is kicked into the waste channel, the rest is qualified products, the medical piston 101 to be detected which is qualified is under the rotation transmission of the air suction turntable conveying device 29 and passes through the counting optical fiber 251, the medical piston 101 to be detected which is detected to be defective is counted, meanwhile, the qualified products are rotatably transmitted to the position of the finished product channel 213 through the air suction turntable conveying device 29, and through the photoelectric technology control signal, the industrial personal computer sends an air blowing signal to the high-frequency electromagnetic valve connected to the material receiving air nozzle 250, the material receiving air nozzle 250 blows air, the non-defective medical piston 101 to be detected is kicked out of the air suction turntable conveying device 29 through the material receiving air nozzle 250, enters the finished product channel 213 and smoothly enters the finished product receiving barrel.

It should be noted that the implementation manner of the industrial personal computer is not limited in this embodiment.

The technical scheme of the application is explained in detail by combining the attached drawings, and the application provides a full-automatic medical piston detector which comprises a feeding system and a detection system, wherein the feeding system mainly comprises a circular stock bin device, a linear vibrator device and a circular vibrator device; the detection system comprises a connecting device, a transmission conveying device, a first detection station device, a first waste kicking channel, an air suction turntable conveying device, a rotation detection station device, a second waste kicking channel, a finished product channel and the like. The full-automatic medical piston detection machine in this application, easily wash, clean, ejection of compact that can be stable adopts machine vision detection principle and high-speed image processing technique, carries out full-automatic, non-blind area to medical piston and detects, and the waste product is rejected automatically, helps improving the accuracy and the detection efficiency of medical piston testing result.

In the present application, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The shapes of the various elements in the drawings are illustrative and do not preclude the existence of certain differences from the actual shapes, and the drawings are used for the purpose of illustrating the principles of the present application and are not intended to limit the present application.

Although the present application has been disclosed in detail with reference to the accompanying drawings, it is to be understood that such description is merely illustrative and not restrictive of the application of the present application. The scope of the present application is defined by the appended claims and may include various modifications, adaptations, and equivalents of the invention without departing from the scope and spirit of the application.

Claims

1. The utility model provides a full-automatic medical piston detects machine, a serial communication port, the detection machine includes charge-in system (10) and detecting system (20), be provided with circular vibrator (11) in charge-in system (10), the discharge gate of circular vibrator (11) connect in detecting system's (20) feed inlet, circular vibrator (11) adopt the mode of spiral material loading will wait to examine medical piston (101) and transmit extremely detecting system (20), detecting system (20) include: the device comprises a box body, a transmission conveying device, a first detection station device (26), an air suction turntable conveying device (29), a rotation detection station device, a finished product channel (213) and an industrial personal computer;

the transmission conveying device is arranged on a back plate (224) in the box body, two circular belts (219) are arranged on the transmission conveying device, and a gap between the two circular belts (219) is used for conveying the medical piston (101) to be detected;

the first detection station device (26) is arranged at the middle position of the transmission conveying device (23), the first detection station device (26) comprises a first camera (239), a first strip-shaped light source (241), a second strip-shaped light source (242) and a reflective mirror (240), and the first camera (239) is used for acquiring a first image of a medical piston (101) to be detected on the circular belt (219) through the reflective mirror (240) and sending the first image to the industrial personal computer;

the air suction turntable conveying device (29) is arranged at the rear end of the transmission conveying device (23), and the air suction turntable conveying device (29) is used for adsorbing the medical piston (101) to be detected on the circular belt (219) and driving the adsorbed medical piston (101) to be detected to rotate;

the rotation detection station device is arranged along the rotation direction of the air suction turntable conveying device (29), and is used for acquiring a second image of the medical piston (101) to be detected adsorbed on the air suction turntable conveying device (29) and sending the second image to the industrial personal computer;

the finished product channel (213) is arranged on the rear side of the rotation detection station device along the rotation direction of the air suction turntable conveying device (29), a material receiving air nozzle (250) is arranged on the opposite side of the finished product channel (213), and the air blowing direction of the material receiving air nozzle (250) faces to the edge of the air suction turntable conveying device (29);

the industrial personal computer is used for judging whether the medical piston (101) to be detected is a qualified product or not according to the first image and the second image, and if yes, the industrial personal computer controls the material receiving air nozzle (250) to blow air so as to blow the qualified product into the finished product channel (213).

2. The fully automated medical piston inspection machine of claim 1 wherein said first inspection station means (26) further comprises: a vertical fixing plate (236), a camera fixing and mounting plate (237) and a light source fixing plate (238);

the bottom of the vertical fixing plate (236) is fixed on the back plate (224), the middle of the vertical fixing plate (236) is fixed with the light source fixing plate (238), the top of the vertical fixing plate (236) is fixed with the camera fixing and mounting plate (237),

the two first strip-shaped light sources (241) are respectively fixed at two sides of the bottom of the light source fixing plate (238), the second strip-shaped light source (242) is fixed at the middle position of the light source fixing plate (238), the light converging region of the two first strip-shaped light sources (241) and the second strip-shaped light source (242) is positioned above the gap between the two circular belts (219),

the two reflectors (240) are respectively positioned above the two first strip-shaped light sources (241), the reflectors (240) are fixed on the light source fixing plate (238),

the two first cameras (239) are respectively fixed on two sides of the camera fixing and mounting plate (237), visual ranges of the two first cameras (239) are converged above a gap between the two circular belts (219) through reflection of the reflective mirror (240), and the first cameras (239) are used for acquiring the first image.

3. The fully automated medical piston detector of claim 1, wherein the detection system (20) further comprises: a conveying waste gas kicking nozzle (27), a gas nozzle connecting device and a first waste gas kicking channel (28);

the conveying and kicking waste gas nozzle (27) is arranged at the rear side of the first detection station device (26), and the conveying and kicking waste gas nozzle (27) is arranged at the front end of the gas nozzle connecting device;

the rear end of the air tap connecting device is fixed on the back plate (224), a first angle adjusting screw block is arranged in the air tap connecting device, and the first angle adjusting screw block is used for rotatably adjusting an included angle between the transmission kicking waste gas nozzle (27) and the circular belt (219);

the first waste kicking channel (28) is arranged at the opposite side of the conveying waste kicking nozzle (27), and the first waste kicking channel (28) is used for collecting the medical piston (101) to be detected blown off by the conveying waste kicking nozzle (27) on the circular belt (219);

the industrial personal computer is also used for judging whether the medical piston (101) to be detected is a waste product or not according to the first image, and if so, the industrial personal computer controls the conveying and kicking waste gas nozzle (27) to blow.

4. The fully automated medical piston inspection machine of claim 1 wherein said second image includes at least an end image and a cylindrical image, said rotational inspection station means further comprising: a second detection station device (210), a third detection station device (211), a fourth detection station device (212) and a lens baffle (246);

the structure of the second detection station device is the same as that of the third detection station device, the second detection station device is arranged on the opposite side of the third detection station device and arranged on the right lower side of the air suction turntable conveying device (29), the second detection station device comprises a second camera (244) and a point light source (245), the second camera (244) is vertically arranged along the vertical direction, the point light source (245) is obliquely arranged, light rays emitted by the point light source (245) intersect with the visual range of the second camera (244), and the second camera (244) is used for acquiring the end face image of the medical piston (101) to be detected adsorbed on the air suction turntable conveying device (29);

the lens baffle (246) is arranged above the second camera (244) in a downward inclined mode, and the lens baffle (246) is used for sliding off the medical piston (101) to be detected falling above the second camera (244);

the fourth detection station device set up in directly over the carousel conveyer (29) induced drafts, the fourth detection station device the structure with the structure of first detection station device (26) is the same, the fourth detection station device is used for acquireing what induced draft on the carousel conveyer (29) adsorbs waits to examine medical piston (101) the cylinder image.

5. The fully automated medical piston inspection machine of claim 4, wherein the inspection system (20) further comprises: an adsorption kick waste gas nozzle (248), a second kick waste channel (249);

the adsorption waste gas kicking nozzle (248) is arranged behind the fourth detection station device along the rotation direction of the air suction turntable conveying device (29);

the second waste kicking channel (249) is arranged on the opposite side of the adsorption waste kicking nozzle (248), and the second waste kicking channel (249) is used for collecting the medical piston (101) to be detected blown off by the adsorption waste kicking nozzle (248) on the air suction turntable conveying device (29);

the industrial personal computer is also used for judging whether the medical piston (101) to be detected is a waste product or not according to the second image, and if so, the industrial personal computer controls the adsorption kicking waste gas nozzle (248) to blow.

6. The fully automatic medical piston detector according to claim 1, wherein the detection system (20) further comprises an engaging device (21), the engaging device (21) is disposed between the discharge port of the circular vibrator (11) and the feed port of the detection system (20), and the engaging device (21) comprises: a round rod support (215), a transition plate (216), a flat mouth (217) and a fixed support (218);

the round rod support (215) is arranged at the front end of the transmission conveying device (23), the round rod support (215) at least comprises a fixed rod, a longitudinal adjusting rod and a transverse adjusting rod, the bottom of the fixed rod is fixedly arranged at the front end of the back plate (224), the rear end of the longitudinal adjusting rod is connected to the top of the fixed rod, the longitudinal adjusting rod is perpendicular to the fixed rod and can move up and down along the length direction of the fixed rod,

the rear end of the transverse adjusting rod is connected with the front end of the longitudinal adjusting rod, the transverse adjusting rod is perpendicular to the fixed rod and the longitudinal adjusting rod at the same time, the transverse adjusting rod can horizontally move along the length direction of the transverse adjusting rod,

the transition plate (216) is installed at the front end of the transverse adjusting rod, and the transition plate (216) is used for transmitting the medical piston (101) to be detected at the discharge port of the circular vibrator (11) to the transmission conveying device;

the fixed support (218) is arranged at the rear side of the round rod support (215), the fixed end of the fixed support (218) is fixed on the back plate (224), and the flat mouth (217) is installed at the connecting end of the fixed support (218);

the flat mouth (217) is positioned above the transition plate (216), and the flat mouth (217) is right opposite to the joint of the transition plate (216) and the transmission conveying device.

7. The fully automated medical piston detector of claim 1, wherein the driven wheel (220) of the drive transfer assembly includes: a rotating shaft (229), a first bearing (230), a moving wheel bearing seat (231), a belt gauge (233) and a gland (232);

the rotating shaft (229) is of a stepped cylindrical structure, one end of the rotating shaft (229) with a large diameter is mounted on the back plate (224), two first bearings (230) are mounted on the rotating shaft (229), and the two first bearings (230) are arranged in parallel;

the movable wheel bearing seat (231) is sleeved on the outer sides of the two first bearings (230), the movable wheel bearing seat (231) is of a T-shaped structure, and the head of the movable wheel bearing seat (231) is provided with at least two positioning grooves (227);

the center of the gland (232) is in threaded connection with one end of the rotating shaft (229) with a small diameter through a first screw;

the belt gauge (233) is sleeved on the outer side of the movable wheel bearing (231), two belt grooves are arranged on the belt gauge (233) at equal intervals, at least two positioning pins (228) are arranged on the edge of one side of the belt gauge (233), the positioning pins (228) are inserted into the positioning grooves (227) to realize positioning between the belt gauge (233) and the movable wheel bearing (231), and the edge of the belt gauge (233) is in threaded connection with the tail of the movable wheel bearing (231) through second screws.

8. The fully automated medical piston detector of claim 1, wherein the detection system (20) further comprises: an angle adjusting stud (234), a blowing device (25) and a material returning box (24);

the angle adjusting stud (234) is arranged in front of the first detection station device (26), and a fixing plate of the angle adjusting stud (234) is arranged on the back plate (224);

an air blowing nozzle is arranged above the blowing device (25), a second angle adjusting screw block is arranged below the blowing device (25), the second angle adjusting screw block is in threaded connection with the angle adjusting stud (234), and the second angle adjusting screw block rotates on the angle adjusting stud (234) to adjust an included angle between the air blowing nozzle and the circular belt (219);

the material returning box (24) is arranged on the opposite side of the material blowing nozzle, and the material returning box (24) is used for collecting the medical piston (101) to be detected blown off by the material blowing nozzle on the circular belt (219).

9. The fully automated medical piston detector of claim 1, wherein the feeder system (10) further comprises: the device comprises a circular storage bin (13), a buffer storage box (14), a cover plate (15), a linear vibrator (12) and a sensor (16);

the buffer box (14) is horizontally arranged, a discharge hole in the front end of the buffer box (14) is located in the center position above the circular vibrator (11), the cover plate (15) is installed above the buffer box (14), and a material through hole is formed in the cover plate (15);

the circular storage bin (13) is arranged above the buffer box (14), the bottom of the circular storage bin (13) is communicated with the material through hole in the cover plate (15) through a connecting pipe, and a medical piston (101) to be detected stored in the circular storage bin (13) enters the buffer box (14) through the connecting pipe;

the linear vibrator (12) is arranged below the rear end of the buffer box (14), and when the linear vibrator (12) is started, the medical piston (101) to be detected in the buffer box (14) moves forwards;

sensor (16) set up in the below of buffer tank (14) front end discharge gate, sensor (16) are used for detecting wait to examine the height of examining medical piston (101) in circular vibrator (11).

10. The fully automatic medical piston detector as set forth in claim 1, wherein the suction carousel conveyor (29) further includes: the air suction device comprises an air suction back plate (2901), an air suction cavity (2902), an inner disc (2903), an outer disc (2904), a transmission main shaft (2905), a rotating motor (2906) and a cushion block (2907);

the front surface of the air suction back plate (2901) is fixedly provided with the air suction cavity (2902), the back surface of the air suction back plate (2901) is provided with the rotating motor (2906), and the air suction back plate (2901) is provided with a shaft hole;

the transmission main shaft (2905) penetrates through the shaft hole and the air suction cavity (2902), the rear end of the transmission main shaft (2905) is connected with the rotating motor (2906), the front end of the transmission main shaft (2905) penetrates through the inner disc (2903) and the outer disc (2904) in sequence, the top of the front end of the transmission main shaft (2905) is provided with the cushion block (2907), and the cushion block (2907) is used for fixing the outer disc (2904) at the front end of the transmission main shaft (2905);

the inner disc (2903) is arranged above the air suction cavity (2902), an air vent is arranged in the inner disc (2903), an air suction gap is arranged between the inner disc (2903) and the outer disc (2904), and a positioning sleeve is arranged between the inner disc (2903) and the outer disc (2904) so that the inner disc (2903) and the outer disc (2904) rotate in the same direction under the action of the rotating motor (2906) and the transmission main shaft (2905);

the backplate (2901) that induced drafts is last still to be provided with the connecting pipe that induced drafts, the connecting pipe intercommunication that induced drafts cavity (2902) and the fan that induced drafts, wherein, the clearance of induced drafting the ventilation hole induced drafts cavity (2902) induced draft the connecting pipe constitution passageway that induced drafts, the clearance of induced drafting is used for adsorbing examine medical piston (101).