CN111220334A - Intelligent glove pinhole detection device - Google Patents
Intelligent glove pinhole detection device Download PDFInfo
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- CN111220334A CN111220334A CN202010226837.3A CN202010226837A CN111220334A CN 111220334 A CN111220334 A CN 111220334A CN 202010226837 A CN202010226837 A CN 202010226837A CN 111220334 A CN111220334 A CN 111220334A
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- detection
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- inflation
- intelligent glove
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The intelligent glove pinhole detection device comprises a rack and a plurality of detection devices sequentially arranged on the rack at intervals, and is characterized in that the detection devices comprise an installation frame, and hollow limiting sleeves are respectively fixedly arranged at two ends of the installation frame; a detection head and a control device; the outer ends of the limit sleeves are respectively provided with a telescopic detection head, and when the detection head is partially retracted into the limit sleeves, the limit sleeves can be sealed with the detection head parts contacted with the limit sleeves; an inflation channel penetrating through the detection head is formed in the detection head, and the inflation device is communicated with the inflation channel; the control device controls the detection head to act. The detection device can be effectively suitable for hole detection of different types of glove products, improves the accuracy of hole detection, and reduces the risk of unqualified products; the performance parameters can also be properly adjusted according to the characteristics of respective products of enterprises so as to achieve the best detection effect.
Description
Technical Field
The invention relates to glove pinhole detection, in particular to an intelligent pinhole detection device for gloves.
Background
At present, the examination of gloves such as rubber medical gloves, rubber examination gloves, PVC gloves, nitrile rubber gloves, rubber household gloves, rubber industrial gloves and the like basically adopts compressed air inflation examination or spot examination technology to judge whether a product has holes or not; there are two main types of current inspection processes, one is manual inspection and the other is machine inspection.
Manual inspection: at the present stage, the product is inflated and then placed on a sensitive part such as the face or the neck, and whether the product leaks air or not is judged according to whether the air blows to the sensitive part or not through human body feeling.
Some enterprises adopt an inflation water detection mode to inflate products and then immerse the products in water, and then judge whether the products have holes or not according to whether bubbles emerge.
Disclosure of Invention
The invention aims to overcome the defects of the background technology, and provides an intelligent glove pinhole detection device which can automatically select the inflation quantity according to the product specificity, can detect the deformation of a product while performing pressure difference detection according to the requirement, and realizes high-efficiency, universal and omnibearing automatic detection.
In order to achieve the purpose, the technical scheme provided by the invention is that the intelligent glove pinhole detection device comprises a rack and a plurality of detection devices which are sequentially arranged on the rack at intervals, and is characterized in that the detection devices comprise an installation frame, and hollow limiting sleeves are respectively and fixedly arranged at two ends of the installation frame; a detection head and a control device; the outer ends of the limit sleeves are respectively provided with a telescopic detection head, and when the detection head is partially retracted into the limit sleeves, the limit sleeves can be sealed with the detection head parts contacted with the limit sleeves; an inflation channel penetrating through the detection head is formed in the detection head, and the inflation device is communicated with the inflation channel; the control device controls the detection head to act.
Air cylinders connected with the retrieval head are respectively arranged between the two limiting sleeves; the cylinder is connected with the control device through an electromagnetic valve.
The outer peripheral surface of the detection head is of a horn-shaped inclined surface structure; when the cylinder drives the detection head to retract, the detection head part can move into the limiting sleeve; an annular sealing ring is arranged on the inner side wall of one end of the limiting sleeve contacted with the detection head.
An annular groove is formed in the outer peripheral surface of one end, close to the limiting sleeve, of the detection head.
The inflation device comprises an electromagnetic valve and a pressure sensor, and the electromagnetic valve and the pressure sensor are communicated with an inflation channel of the detection head through an air pipe; the electromagnetic valve and the pressure sensor are respectively connected with the control device.
Sensors for sensing positions are respectively arranged at the positions of the inflation product, the unqualified product and the qualified product which are determined on the rack; the mounting frame of the detection device is correspondingly provided with a sensor induction sheet.
At least two chains which are in an annular structure and can rotate are arranged on the frame at intervals in parallel; the detection device is fixedly arranged on the chain; an electrical slip ring is provided on the frame to provide electrical power to the detection device.
The control device is a single chip microcomputer; the single chip microcomputer is provided with an infrared interface and an RS232 interface.
The detection device can be effectively suitable for hole detection of different types of glove products, improves the accuracy of hole detection, and reduces the risk of unqualified products; the performance parameters can also be properly adjusted according to the characteristics of respective products of enterprises so as to achieve the best detection effect.
Drawings
Fig. 1, a schematic view of a chain structure.
Fig. 2 is a schematic structural diagram of the detection device.
Detailed Description
To above-mentioned technical scheme, the intelligent detection device of gloves pinhole includes: the frame, the chain, the detection head, etc., refer to fig. 1 to fig. 2, wherein.
The device comprises a rack, wherein two rotary chain belts are arranged on the rack at intervals in parallel, and a plurality of detection devices are arranged on the two chain belts at intervals. The detection head moves and operates under the drive of the chain 1. The chain is arranged on a chain wheel, and the chain wheel is driven by a motor. The motor is a speed reducer combination with a speed reducing function and a speed regulating function. The rack is provided with a workbench, and the workbench is mainly used for placing products to be detected and collecting the detected products in a classified manner. An inflation position A, an unqualified product position B and a qualified product position C are arranged on the rack below the chain at intervals. When the chain drives the detection devices to the three positions, each detection device stops at an inflation position A for inflation detection; when the product of the detection device is an unqualified product, the unqualified product is stopped and removed at the position of the unqualified product; when the product of the detection device is qualified product, the qualified product is taken down by staying at the position of the qualified product.
Detection device includes installation frame 3, and the installation frame is the structure of type of falling protruding, and every lateral surface of installation frame is platelike structure, and the installation frame is fixed to be set up on the chain. Two identical cylinders 4 are provided on the mounting frame. The two cylinders are horizontally arranged on the same horizontal plane, and the extending directions of the piston rods of the two cylinders are reversely arranged. The left outer wall and the right outer wall of the installation frame are respectively and horizontally fixedly provided with a hollow limiting sleeve 5 which is of a hollow cylindrical structure. A detection head 6 is arranged in one end of the limiting sleeve, and one end of the detection head is positioned outside the limiting sleeve. The piston rod end of the cylinder penetrates through the limiting sleeve to be connected with the detection head. For the piston rod of the air cylinder to move smoothly, a supporting device is arranged in one end, close to the air cylinder, of the limiting sleeve and used for supporting and limiting the piston rod, and the piston rod can stably and smoothly stretch and move. An annular sealing ring is fixedly arranged on the inner wall of one end of the limiting sleeve, which is provided with the detection head, and the annular sealing ring is positioned on the periphery of the detection head. The part of the detection head positioned in the limiting sleeve is of a cylindrical structure, and the part positioned on the outer side of the cylindrical structure is of a horn-shaped inclined plane structure. An annular groove 61 is formed in the outer end face of one side, close to the cylindrical structure, of the horn-shaped inclined plane structure, and when the glove is sleeved on the detection head, the end portion of the glove can be embedded in the annular groove to prevent falling off. The inclined plane structure of the detection head is also provided with a plurality of anti-drop annular grooves or anti-drop lines. When the cylinder retracts to move on the detection head, the detection head can be driven to move towards the inside of the limiting sleeve, the inclined plane structure part of the detection head can be clamped at the end face of the limiting sleeve, and a gap between the detection head and the limiting sleeve is sealed through a sealing ring. The annular groove 61 is used for the glove to be sleeved on the inclined plane structure of the detection head, and the port of the glove is just embedded into the annular groove to prevent the glove from separating from the detection head. When the detection head is driven by the cylinder to retract into the limiting sleeve, the glove sleeved on the detection head can be clamped between the detection head and the limiting sleeve through the detection head, and the glove is fixed on the detection head to prevent the glove from separating from the detection head. At least one inflation channel 62 penetrating the detection head is formed on the detection head, and in this embodiment, two inflation channels are provided. After the glove is sleeved on the detection head, the glove can be inflated through the inflation channel. A pressure sensor and an electromagnetic valve 64 are fixed on the mounting frame, and the inflation channel is connected with the electromagnetic valve and the pressure sensor through an air pipe. When the electromagnetic valve is opened to charge air into the glove, the electromagnetic valve is closed, and then the pressure of the air in the glove is detected through the pressure sensor. And an electric slip ring 7 (comprising an electric slip ring for supplying air to the detection device and an electric slip ring connecting piece for supplying power) is arranged on the rack, and is used for supplying electric energy to the multiple groups of detection devices fixed on the chain and inflating the interior of the detection head.
Still be provided with controlling means in the installation frame, controlling means is the singlechip. The control device controls the actions of the air cylinder, the air inflation and the like. The frame is provided with a proximity switch, the installation frame is provided with three sensor installation holes 8, and the sensor installation control is respectively provided with an inflation proximity switch, an unqualified product proximity switch and a qualified product proximity switch. When the detection device moves to the inflation position A under the driving of the chain and senses an inflation proximity switch, the chain stops rotating, and the control device performs inflation to control the detection device to act; when the gloves on the detection device are detected to be unqualified products, the unqualified product proximity switch on the detection device is started, and when the detection device reaches the position B of the unqualified product, the control device controls the cylinder to be loosened to take down the unqualified product; when the glove on the detection device is detected to be a qualified product, the qualified product proximity switch on the detection device is started, and when the detection device is moved to the qualified product position C, the qualified product is taken down.
The singlechip is connected with an infrared interface and an RS232 interface. The detection parameters can be input into the singlechip through an infrared interface; can be connected with a computer for communication through an RS232 interface.
Detection working principle of the detection device: the preset inflation time and pressure change rate set values detected by gloves of different specifications are input into a single chip microcomputer, and then the detection work is started. Sleeving the glove on the inclined plane of the detection head, so that the end part of the glove is positioned at the groove of the detection head; then when the chain drives the detection device to move to the proximity switch at the inflating position, the proximity switch at the inflating position senses a proximity switch sensing piece on the detection device and sends a sensing signal to the control device, the control device controls the air cylinder to retract, the glove sleeved on the detection head is clamped and fixed at the position of the limiting sleeve, and the glove is sealed through the sealing ring; the control device opens the inflation electromagnetic valve to inflate the glove. After the preset time of inflation, collecting the pressure in the glove through a pressure sensor, judging whether the glove exists or not, if the pressure does not change obviously, judging whether the glove exists on the detection head or not, and stopping inflation; if the gloves are arranged on the detection head, continuing to inflate, if the preset pressure value is not reached within the preset inflation time, judging that the air leakage of the product is serious, judging that the product is a defective product, and automatically stopping inflating; reading the maximum pressure value after the product is inflated; and reading the final pressure value after a given time, comparing the final pressure value with the maximum pressure value read in the previous period by the singlechip, and comparing the change rate with a set pressure change rate value, wherein if the change rate is greater than a set value, the judgment is unqualified, and if not, the judgment is qualified. Then the chain drives the detection device to continue to move, when the product is unqualified and moves to an unqualified product, a proximity switch at the position sends information to the single chip microcomputer, the single chip microcomputer controls the cylinder to extend out, so that the detection head and the limiting sleeve are separated, at the moment, high-pressure gas in the glove is discharged, and the unqualified product is taken down; and similarly, when the product is qualified, the displacement is carried out to the qualified product, the single chip microcomputer controls the cylinder to stretch out according to the induction signal sent by the proximity switch of the qualified product, so that the detection head and the limiting sleeve are separated, and the qualified product is taken down.
The detection heads are arranged at the two ends of the detection device, so that the gloves can be sleeved at the two ends of the detection device, and meanwhile, the gloves at the two ends of the detection device are subjected to pinhole detection, so that the detection efficiency is improved. Meanwhile, after the gloves are inflated, the appearances of the gloves can be detected, the appearance detection and the pinhole detection are carried out simultaneously, and the detection efficiency is improved.
Claims (8)
1. The intelligent glove pinhole detection device comprises a rack and a plurality of detection devices sequentially arranged on the rack at intervals, and is characterized in that the detection devices comprise an installation frame, and hollow limiting sleeves are respectively fixedly arranged at two ends of the installation frame; a detection head and a control device; the outer ends of the limit sleeves are respectively provided with a telescopic detection head, and when the detection head is partially retracted into the limit sleeves, the limit sleeves can be sealed with the detection head parts contacted with the limit sleeves; an inflation channel penetrating through the detection head is formed in the detection head, and the inflation device is communicated with the inflation channel; the control device controls the detection head to act.
2. The intelligent glove pinhole detecting device according to claim 1, wherein cylinders connected with the search head are respectively installed between the two limit sleeves; the cylinder is connected with the control device through an electromagnetic valve.
3. The intelligent glove pinhole detection device according to claim 2, wherein the outer peripheral surface of the detection head is of a horn-shaped inclined surface structure; when the cylinder drives the detection head to retract, the detection head part can move into the limiting sleeve; an annular sealing ring is arranged on the inner side wall of one end of the limiting sleeve contacted with the detection head.
4. The intelligent glove pinhole detecting device according to claim 3, wherein an annular groove is formed on the outer peripheral surface of one end of the detecting head close to the limiting sleeve.
5. The intelligent glove pinhole detecting device according to claim 1, wherein the inflating device comprises an electromagnetic valve and a pressure sensor, and the electromagnetic valve and the pressure sensor are communicated with the inflating channel of the detecting head through an air pipe; the electromagnetic valve and the pressure sensor are respectively connected with the control device.
6. The intelligent glove pinhole detecting device according to claim 1, wherein sensors for sensing positions are respectively arranged at the positions of the inflation, the unqualified product and the qualified product determined on the rack; the mounting frame of the detection device is correspondingly provided with a sensor induction sheet.
7. The intelligent glove pinhole detecting device according to claim 1, characterized in that at least two chains which are in an annular structure and can rotate are arranged on the frame in parallel and at intervals; the detection device is fixedly arranged on the chain; an electrical slip ring is provided on the frame to provide electrical power to the detection device.
8. The intelligent glove pinhole detection apparatus according to claim 1, wherein the control apparatus is a single chip microcomputer; the single chip microcomputer is provided with an infrared interface and an RS232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010226837.3A CN111220334A (en) | 2020-03-27 | 2020-03-27 | Intelligent glove pinhole detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010226837.3A CN111220334A (en) | 2020-03-27 | 2020-03-27 | Intelligent glove pinhole detection device |
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| Publication Number | Publication Date |
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| CN111220334A true CN111220334A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010226837.3A Pending CN111220334A (en) | 2020-03-27 | 2020-03-27 | Intelligent glove pinhole detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855087A (en) * | 2020-07-13 | 2020-10-30 | 李远红 | Rubber glove inspection device |
-
2020
- 2020-03-27 CN CN202010226837.3A patent/CN111220334A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111855087A (en) * | 2020-07-13 | 2020-10-30 | 李远红 | Rubber glove inspection device |
| CN111855087B (en) * | 2020-07-13 | 2022-03-15 | 南京润京乳胶制品有限公司 | Rubber glove inspection device |
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